Charging cartridge with removable battery compartment cover for aerosol-generating device

Abstract

A charging cartridge (11) for an aerosol-generating device (3) comprises a cartridge body (23) and a battery compartment cover (43). The cartridge body (23) extends in an axial direction (13) and defines a battery compartment (33) and a docking compartment (25). The docking compartment (25) is configured to receive an aerosol-generating device (3). The battery compartment (33) is configured to removably receive a charging box battery (27). The battery compartment cover (43) is reversibly operable between a closed state and an open state. The battery compartment cover (43) is configured to cover a battery replacement opening (41) of the battery compartment (33) in the closed state and to allow access to the battery compartment (33) through the battery replacement opening (41) in the open state.

Description

Technical Field

[0001] The present disclosure relates to a charging case for an aerosol-generating device. Background Art

[0002] Different types of aerosol-generating devices are known. For example, an aerosol-generating device of the heat-not-burn type typically includes a device battery, control electronics, and an electric heater for heating an aerosol-generating article to generate an aerosol for consumption by a user. The aerosol-generating article may include an aerosol-forming substrate, such as tobacco segments or a tobacco rod, and when the aerosol-generating article is received in the aerosol-generating device, the electric heater housed within the aerosol-generating device is inserted into or positioned around the aerosol-forming substrate. According to another example, an aerosol-generating device of the vaporizer type may include a device battery to heat an aerosol-generating liquid from a cartridge to provide an aerosol for consumption by a user.

[0003] WO 2021 / 074420 discloses a holder for an elongated aerosol-generating device. The holder defines a docking space for receiving the aerosol-generating device. The aerosol-generating device can be received in the docking space for protecting a device battery of the aerosol-generating device and for recharging the device battery of the aerosol-generating device with power from a main battery of the holder. The holder includes a cover that is movable between a covering position and an uncovering position. In the covering position, the cover covers at least a portion of the docking space.

[0004] WO 2021 / 089304 A1 discloses a holder for an aerosol-generating device. The holder has a docking space of longitudinal dimensions for accommodating the aerosol-generating device. The holder includes a main battery for charging a device battery of the aerosol-generating device. Summary of the Invention

[0005] According to a first aspect of the present invention, a charging case for an aerosol generating device is provided. The charging case includes a case body and a battery compartment cover. The case body extends in an axial direction. The case body defines a battery compartment and a docking compartment. The docking compartment is configured to receive an aerosol generating device. The battery compartment is configured to removably receive a charging case battery. The battery compartment cover is reversibly operable between a closed state and an open state. The battery compartment cover is configured to cover a battery replacement opening of the battery compartment in the closed state. The battery compartment cover is configured to allow access to the battery compartment through the battery replacement opening in the open state.

[0006] The charging case may be a portable charging case for storing the aerosol generating device between uses.The charging case may be configured to protect the aerosol generating device received in the docking compartment.

[0007] The charging case may be configured to charge a device battery of an aerosol generating device received in the docking compartment with power from the charging case battery.

[0008] In the closed state, the battery compartment cover can protect the interior of the battery compartment. In the closed state, the battery compartment cover can at least partially prevent foreign matter, such as dust or other contaminants, from entering the battery compartment. In the closed state, the battery compartment cover can conceal the interior of the battery compartment. In the closed state, the battery compartment cover can prevent the charging case battery from falling out of the battery compartment through the battery replacement opening.

[0009] In the open state, the charging box battery arranged in the battery compartment can be removed from the battery compartment through the battery replacement opening. In the open state, the charging box battery can be inserted into the battery compartment through the battery replacement opening.

[0010] Reversibly manipulating the battery compartment lid between a closed state and an open state may include reversibly manipulating the battery compartment lid from the closed state to the open state. Reversibly manipulating the battery compartment lid between a closed state and an open state may include reversibly manipulating the battery compartment lid from the open state to the closed state. The battery compartment lid may be configured to be manipulatable between the closed state and the open state multiple times without requiring replacement parts. The battery compartment lid may be manipulatable between the closed state and the open state in a non-destructive manner.

[0011] The battery compartment cover can be configured to allow the charging case battery disposed in the battery compartment to be replaced or replaced through the battery replacement opening.

[0012] The charging case may include a charging case battery. The charging case battery may be removably disposed in the battery compartment. The charging case battery may be configured to be replaced or exchanged through the battery exchange opening. Replacing or exchanging the charging case battery may increase the lifespan of the charging case.

[0013] The charging case battery can be configured to have no fixed connection to the charging case. The charging case battery can be configured to be removed from the battery compartment in a non-destructive manner. The charging case battery can be disposed in the battery compartment without being connected to other parts of the charging case by adhesive or glue.

[0014] The charging case battery may be a rechargeable battery. The charging case battery may be configured to be recharged while disposed in the battery compartment.

[0015] For example, the charging case battery can be an alkaline battery, a nickel metal hydride (NIMH) battery, or a lithium ion battery.

[0016] The charging case may include a battery interface. The battery interface may be disposed in the battery compartment. The charging case battery may be electrically connected to the battery interface while disposed in the battery compartment. The charging case battery may be configured to reversibly disconnect from the battery interface. The charging case battery may be electrically connected to the battery interface without a fixed connection between the charging case battery and the battery interface, such as a connection formed by soldering, welding, or gluing.

[0017] The battery interface may include one or more contact structures. The one or more contact structures may be configured to connect to one or more contacts of the charging case battery, particularly via a snap-fit connection. The one or more contact structures may be biased to engage the one or more contacts of the charging case battery.

[0018] The charging case may include an electrical device interface. The electrical device interface may be disposed in the docking compartment. The electrical device interface may be configured to electrically connect to an aerosol-generating device received in the docking compartment. The electrical device interface may be configured to charge a device battery of the aerosol-generating device using electrical energy from the charging case battery.

[0019] The battery interface and the electrical device interface may be electrically connected to each other to charge a device battery of an aerosol generating device received in the docking compartment with current from the charging case battery.

[0020] Manipulating the battery compartment cover between the closed and open conditions may include changing the relative positioning between the case body and the battery compartment cover.

[0021] Operating the battery compartment cover from the closed state to the open state may comprise removing the battery compartment cover from the box body. In the open state, the battery compartment cover may be removed from the box body.

[0022] Operating the battery compartment cover from the open state to the closed state may include attaching the battery compartment cover to the box body. In the closed state, the battery compartment cover may be attached to the box body.

[0023] The battery compartment cover may be attached to the box body by a snap-fit connection.

[0024] The battery compartment cover may be attached to the box body by one or more attachment elements. The one or more attachment elements may be configured to allow the battery compartment cover to be repeatedly removed and attached relative to the box body.

[0025] The one or more attachment elements may include one or more attachment elements separate from both the box body and the battery compartment cover. For example, the one or more attachment elements may include screws or clips. The one or more attachment elements may be configured to extend through one or more corresponding openings in the battery compartment cover. The one or more attachment elements may be configured to be retained in a receiving structure of the box body.

[0026] The one or more attachment elements may include one or more structures disposed on the battery compartment cover or the box body. The one or more structures may be configured to engage one or more corresponding structures disposed on the other of the battery compartment cover and the box body. For example, the one or more structures may include hook structures. For example, the one or more corresponding structures may include recesses. The one or more structures and the one or more corresponding structures may together form a snap-fit connection.

[0027] The battery compartment cover can be attached to the box body in both a closed state and an open state. Operating the battery compartment cover between the closed state and the open state can include rotating the battery compartment cover about a cover rotation axis. The battery compartment cover can be attached to the box body at the cover rotation axis. The cover rotation axis can, for example, extend parallel to the axial direction. The battery compartment cover can be formed as a door for the battery compartment.

[0028] In the closed state, at least 50%, or at least 60%, or at least 70%, or at least 80%, or at least 90% of the area of the battery compartment cover can be arranged directly above the battery replacement opening. If the battery compartment cover is shaped and sized so that a large portion of the battery compartment cover actually covers the battery replacement opening, it is possible to avoid the need to remove larger parts unnecessarily to gain access to the battery compartment.

[0029] In the closed state, the maximum extension of the battery compartment cover beyond the battery replacement opening may be less than or equal to 40 mm, or 30 mm, or 25 mm, or 20 mm, or 15 mm, or 10 mm, or 5 mm.

[0030] The battery compartment cover may be plate-shaped.The battery compartment cover may be flat or curved.

[0031] The dimension of the battery compartment cover along its main extension direction may be, for example, between 1 cm and 10 cm, or between 2 cm and 10 cm, or between 2 cm and 8 cm, or between 3 cm and 8 cm, or between 3 cm and 7 cm, or between 4 cm and 5 cm. The main extension direction of the battery compartment may be parallel to the axial direction.

[0032] The battery compartment cover may have a curvature in a cross-sectional plane perpendicular to the longitudinal direction of the battery compartment cover. The battery compartment cover may be non-curved along the longitudinal direction of the battery compartment cover. The longitudinal direction of the battery compartment cover may extend parallel to the axial direction at least in the closed state.

[0033] The battery compartment cover may have a shape that conforms to the shape of the box body.The battery compartment cover and the box body may be configured to form a smooth shape together.

[0034] The surface of the box body may include a recessed area. In the closed state, the battery compartment cover may be disposed in the recessed area. Since the battery compartment cover is disposed in the recessed area, the extension of the battery compartment cover above the surface of the box body may be reduced.

[0035] The shape of the recessed area may correspond to the shape of the battery compartment cover.The recessed area may facilitate obtaining a correct arrangement of the battery compartment cover relative to the box body.

[0036] The battery compartment cover may be at least substantially flush with an adjacent surface of the box body in the closed state. In the closed state, the height difference between the battery compartment cover and the adjacent surface of the box body in the closed state may be less than 3 mm, or less than 2 mm, or less than 1 mm, or less than 0.5 mm, or less than 0.3 mm.

[0037] The box body may include a bottom plate surface and a top plate surface. The bottom plate surface and the top plate surface may define an axial extension of the battery compartment. The bottom plate surface and the top plate surface may face each other. The bottom plate surface and the top plate surface may form a portion of an inner wall of the battery compartment.

[0038] The box body may include a side surface that forms an inner wall section of the battery compartment within an angular extension around a central axis of the battery compartment of at least 60 degrees, or at least 90 degrees, or at least 120 degrees, or at least 180 degrees, or at least 240 degrees. The central axis may be parallel to the axial direction.

[0039] The charging case may include a controller. The controller may include a printed circuit board. The battery compartment may be separated from one or both of the controller and the printed circuit board by a wall of the charging case.

[0040] When the battery is received in the battery compartment, at least 40%, or at least 50%, or at least 60%, or at least 70%, or at least 80%, or at least 90% of the volume of the battery compartment can be occupied by the charging case battery.

[0041] The battery compartment may be accessible through the docking compartment. If the battery compartment is accessible through the docking compartment, it may not be necessary to provide additional access points to the battery compartment outside the docking compartment. Thus, accessibility to the battery compartment may be provided without negatively impacting the external appearance of the charging case.

[0042] The battery compartment cover is accessible through the docking compartment.

[0043] One or both of the battery compartment cover and the charging case battery may be configured to be removed from the case body through the docking compartment.

[0044] One or both of the battery compartment cover and the charging case battery may be configured to be removed through the docking compartment after the aerosol generating device is removed from the storage compartment.

[0045] The battery replacement opening may be formed in a wall defining an inner surface of the docking compartment.The wall may be a wall of the box body.

[0046] The battery compartment cover can separate the battery compartment from the docking compartment in a closed state.

[0047] A charging antenna for wirelessly charging the charging case battery can be integrated into the battery compartment cover. The charging antenna can be an integral part of the battery compartment cover. The charging antenna can be electrically connected to the battery interface at least when the battery compartment cover is closed. The charging antenna can be electrically connected to the charging case battery at least when the battery compartment cover is closed. The charging antenna can be configured to receive wireless power transmission from an external charging station. Providing a charging antenna integrated into the battery compartment cover can save space in other parts of the charging case.

[0048] The battery compartment cover may include a battery compartment cover electrical interface electrically connected to a charging antenna in the battery compartment cover.

[0049] The case body may include a case body electrical interface configured to be electrically connected to the charging case battery. The case body electrical interface may be electrically connected to the battery interface.

[0050] The charging case may include an electrical connector that electrically connects the battery compartment cover electrical interface to the case body electrical interface to supply power from a charging antenna integrated in the battery compartment cover to the charging case battery. The electrical connector may electrically connect the battery compartment cover electrical interface to the case body electrical interface when the battery compartment cover is in a closed state. The electrical connector may be configured to electrically connect the battery compartment cover electrical interface to the case body electrical interface in both the closed and open states of the battery compartment cover.

[0051] The electrical connector may be a flexible connector. The electrical connector may be a flexible connector. The electrical connector may be a flat cable connector.

[0052] The battery compartment cover may form at least a portion of the exterior appearance of the charging case. The battery compartment cover may be directly accessible from outside the charging case.

[0053] The battery compartment cover may include a user interface. The user interface may include a display. The user interface may include buttons.

[0054] The battery compartment cover may include a data port that enables data transmission between an external device and the charging box. For example, the data port may include a USB port, particularly a USB-C port.

[0055] The battery compartment cover may comprise or be formed of a metal material. The metal material may be or may comprise aluminum.

[0056] The battery compartment cover may include an end portion that covers the opposite end of the box body with respect to the axial direction. The end portion may form a part of the outer appearance of the charging box.

[0057] At least one of the end portions may have a curved side surface that defines at least a portion of a side surface of the charging box extending around the axial direction.

[0058] The battery compartment cover may have an axially extending cover portion connecting the end portions.The axially extending cover portion may be bent around an axial direction.

[0059] The battery compartment cover may define a cavity that receives the battery compartment in a closed state of the battery compartment cover.

[0060] In the closed state of the battery compartment cover, the box body can be at least partially received in the battery compartment cover, in particular in the cavity of the battery compartment cover.

[0061] Operating the battery compartment cover from the closed state to the open state may include partially or completely removing the case body from the cavity. By removing the case body from the cavity, the battery compartment, in particular the battery replacement opening of the battery compartment, may become accessible, thereby enabling the charging case battery to be removed from the battery compartment.

[0062] The battery compartment cover can be operated from the open state to the closed state and can include partially or completely inserting the box body into the cavity. By inserting the box body into the cavity, the battery compartment, in particular the battery replacement opening of the battery compartment, can become covered by the battery compartment cover.

[0063] The charging case may further include an outer cover. The outer cover may be configured to form at least a portion of an outer surface of the charging case.

[0064] The outer cover may be configured to cover the battery compartment cover. The outer cover may be configured to completely cover the battery compartment cover. The outer cover may conceal the battery compartment cover. The outer cover may protect the battery compartment cover. The outer cover may reduce the possibility of foreign matter, such as dust or liquid, entering through a potential gap between the battery compartment cover and the case body.

[0065] The outer cover may be configured to be positioned over and in contact with the battery compartment cover.

[0066] The outer cover can be removably attached to the box body. The outer cover can be reversibly attached to the box body. Removing the outer cover can facilitate access to the battery compartment cover. The outer cover may include an attachment portion that is removably attached to the box body. The outer cover, in particular the attachment portion of the outer cover, can be removably attached to the box body by magnetic interaction between the outer cover and the box body. In particular, the outer cover can be attached to the box body by magnetic interaction between the attachment portion of the outer cover and the box body. One or more magnets can be provided at one or both of the outer cover and the box body to removably attach the outer cover to the box body.

[0067] The outer cover can be configured to wrap around the case body reversibly from one side of the case body around the opposite side of the case body back to one side of the case body. The outer cover can provide a neat and integrated appearance for the charging case.

[0068] The outer cover may include a flexible flap portion. The flexible flap portion may be configured to reversibly wrap around the box body. The flexible flap portion may be configured to wrap around the box body so as to contact the box body. The flexible flap portion may be configured to bend around the box body to assume a shape corresponding to the shape of the box body. The flexible flap portion may be configured to reversibly wrap around the box body around an axis parallel to the axial direction. The flexible flap portion may be configured to reversibly wrap around a portion of the periphery of the box body. The flexible flap portion may be configured to reversibly wrap around the entire periphery of the box body. The flexible flap portion may be configured to reversibly wrap around the box body from one side of the box body around the opposite side of the box body back to one side of the box body.

[0069] The outer cover, in particular the flexible flap portion of the outer cover, may have a free end. The free end may be configured to be attached to the box body so that the outer cover enters a storage configuration. The free end may be configured to be separated from the box body so that the outer cover enters an access configuration.

[0070] The free end may be spaced apart from the attachment portion of the outer cover.The outer cover may be attached to the box body, in particular at the attachment portion of the outer cover, in both the storage configuration and the access configuration.

[0071] The outer cover may be configured to cover the loading opening of the docking compartment in the storage configuration. In the storage configuration, the outer cover may be configured to cover the aerosol generating device received in the docking compartment. In the storage configuration, the outer cover may protect the aerosol generating device received in the docking compartment. In the storage configuration, the outer cover may prevent the aerosol generating device from falling out of the storage compartment.

[0072] In the access configuration, the loading opening of the docking compartment may be uncovered. The outer cover may be configured to not cover the loading opening of the docking compartment in the access configuration. In the access configuration, the aerosol generating device may be insertable into the docking compartment through the loading opening. In the access configuration, the aerosol generating device may be removable from the docking compartment through the loading opening.

[0073] Outer cover can be configured to extend around box body on at least 50% or at least 60% or at least 70% or at least 80% or at least 90% or at least 100% of the periphery of box body.Outer cover can be configured to extend around box body on 95% to 99% of the periphery of box body.The periphery of box body can be around axial direction.Outer cover can extend around box body in the scope of at least 180 degree or at least 210 degree or at least 240 degree or at least 270 degree or at least 300 degree or at least 330 degree or at least 360 degree around the axis parallel to axial direction.

[0074] A charging antenna for wirelessly charging the charging case battery can be integrated into the outer cover. The charging antenna can be electrically connected to the battery interface. The charging antenna can be electrically connected to the charging case battery. The charging antenna can be configured to receive wireless power transmission from an external charging station. Providing a charging antenna integrated into the outer cover can save space in other parts of the charging case.

[0075] The outer cover may include a rigid portion. The rigid portion may be configured to maintain its shape. The rigid portion may be hard. The rigid portion may be located over the battery compartment opening.

[0076] The rigid portion may be disposed between the attachment portion and the flexible flap portion. The rigid portion may be disposed between the attachment portion and the free end. The attachment portion may be disposed between the rigid portion and the flexible flap portion. The attachment portion may be disposed between the rigid portion and the free end.

[0077] The outer cover may include a second flexible flap portion. The second flexible flap portion may be disposed between the connecting portion and the rigid cover portion. The rigid cover portion may be disposed between the flexible flap portion and the second flexible flap portion.

[0078] A charging antenna for wirelessly charging the charging case battery can be integrated into the outer cover. The charging antenna can extend over an area of at least 5 square centimeters, or at least 8 square centimeters, or at least 10 square centimeters, or at least 15 square centimeters of the outer cover.

[0079] The charging antenna can be integrated into the flexible flap portion of the outer cover. The charging antenna can be integrated into the rigid portion of the outer cover. In the rigid portion, the possibility of damage to the charging antenna due to bending of the outer cover can be reduced.

[0080] The outer cover may include a reinforcement layer in which the charging antenna is integrated into the outer cover. The reinforcement layer may be integrated into the outer cover. The reinforcement layer may locally modify the stiffness of the outer cover, preventing or minimizing bending of the charging antenna. The reinforcement layer may help prevent damage to the charging antenna, particularly preventing breakage of the windings of the antenna coil.

[0081] The outer cover may include a heat dissipation layer configured to receive heat from the charging antenna to prevent the charging antenna from overheating.

[0082] The stack of layers can be embedded in the outer cover. The stack of layers can include a reinforcement layer facing the case body, a charging antenna on top of the reinforcement layer, and a heat dissipation layer on top of the charging antenna. The stack can have a generally rectangular shape with rounded corners. The heat dissipation layer can be the layer of the stack closest to the external environment.

[0083] The stack may be assembled to a side surface of the box body. The side surface may have no curvature around the axial direction.

[0084] In an embodiment, only the portion of the outer cover on the axially rounded side edge of the outer cover is flexible.

[0085] In addition or as an alternative to the heat dissipation layer, the outer cover may include an energy dissipation circuit. The energy dissipation circuit may be configured to dissipate energy from the charging antenna. The energy dissipation circuit may include one or more resistive elements.

[0086] The outer cover may include an outer cover electrical interface. The outer cover electrical interface may be electrically connected to the charging antenna. The case body may include an antenna connection electrical interface. The antenna connection electrical interface may be configured to be electrically connected to the outer cover electrical interface.

[0087] The charging box may further include a housing member. The housing member may be attached to the box body. The housing member may form at least a portion of the external appearance of the charging box.

[0088] The housing member may include an end cap portion. The end cap portion may cover opposite ends of the cartridge body relative to the axial direction. The end cap portion may include two end cap portions. The end cap portions may extend parallel to each other. The end cap portions may extend perpendicular to the axial direction. For example, the end cap portion may have a substantially elliptical shape, a substantially circular shape, or a substantially rectangular shape.

[0089] The end cap portions may each include an end surface that is visible when the charging case is viewed along or against an axial direction.

[0090] At least one of the end cap parts may comprise a rounded edge extending circumferentially around the axial direction.For example, a rounded edge may have a lower susceptibility to damage than a sharp edge.

[0091] At least one of the end cap portions may have a side surface that defines at least a portion of a side surface of the charging case extending about the axial direction. The side surface of at least one end cap portion may be visible when the charging case is viewed in a viewing direction perpendicular to the axial direction.

[0092] The side surface of at least one end cap portion may be curved, in particular, outwardly curved. The side surface of at least one end cap portion may be spherical. The cross-section of the side surface of at least one end cap portion in a cross-sectional plane parallel to the axial direction may be curved, in particular, outwardly curved. The curvature of the side surface of at least one end cap portion in a cross-sectional plane parallel to the axial direction may be the same along the entire circumference of the charging box.

[0093] The shape of the side surface of the at least one end cover portion may smoothly transition into the end surface of the at least one end cover portion.

[0094] The side surface of at least one end cover portion may form an edge of the charging box. The edge may be rounded.

[0095] A display receiving cavity may be provided in at least one of the end cap sections. The display receiving cavity may, for example, be partially or completely provided in a side surface of at least one end cap section. The display receiving cavity may be provided exclusively in a side surface of at least one end cap section. A substantial area of at least one end cap section may be covered by the display receiving cavity. For example, the display receiving cavity may be located in the center of at least one end cap section. A small peripheral boundary formed by at least one end cap section may surround the display receiving cavity.

[0096] The charging box may include a display. The display may be disposed in the display receiving cavity.

[0097] The display may be partially or completely disposed within a side surface of at least one end cap portion. A substantial area of at least one end cap portion may be covered by the display. For example, the display may be positioned in the center of at least one end cap portion. A small peripheral border formed by at least one end cap portion may surround the display. The entire end cap portion may be covered by the display.

[0098] The display may be a curved display. The curvature of the display may be at least substantially the same as the curvature of the side surface of at least one end cap portion. The display may be flush with an adjacent surface of at least one end cap portion.

[0099] The display may include a fiber optic element. The display may be configured to indicate the charge status of the charging case battery or the charge status of the device battery of the aerosol generating device received in the docking compartment. The display may be configured to indicate other information related to the operational status of the aerosol generating system.

[0100] The housing member may include an axially extending connecting portion. The extended connecting portion may connect the end portions. The connecting portion may extend up to 90 degrees, or up to 60 degrees, or up to 30 degrees, or up to 20 degrees, or up to 10 degrees around the axial direction.

[0101] The connecting portion may cover the box body.At least in the storage configuration of the outer cover, the connecting portion may cover at least any portion of the box body that is not covered by the outer cover.

[0102] The two opposite ends of the outer cover along the circumferential direction of the charging box can be spaced apart from each other in the storage configuration of the outer cover. The shell member, in particular the connecting portion of the shell member, can be visible through the gap between the opposite ends of the outer cover. The gap can have a width between 1 mm and 25 mm, or between 1 mm and 20 mm, or between 1 mm and 15 mm, or between 1 mm and 10 mm, or between 1 mm and 7 mm, or between 1 mm and 5 mm, or between 1 mm and 3 mm. The width of the gap can be the width in the circumferential direction. The shell member, in particular the connecting portion of the shell member, can completely fill the gap.

[0103] The housing member may comprise a metal material. The housing member may be composed of a metal material. The housing member may be formed as a single piece. The housing member may be formed as a single metal piece. The metal material may comprise aluminum. The material may be aluminum or an aluminum alloy.

[0104] According to a second aspect of the present invention, a method for replacing a battery in a charging case for an aerosol generating device is provided. The method comprises steps a) to d). Step a) comprises removing a battery compartment cover from a case body of the charging case, thereby exposing a battery replacement opening of the battery compartment of the charging case. Step b) comprises removing a charging case battery from the battery compartment through the battery replacement opening. Step c) comprises inserting a replacement charging case battery into the battery compartment through the battery replacement opening. Step d) comprises reattaching the battery compartment cover to the case body to close the battery compartment.

[0105] Steps a) to d) may be performed in alphabetical order.

[0106] Removing the battery compartment cover from the case body may include disengaging one or more attachment elements securing the battery compartment cover to the case body.

[0107] At least one of the battery compartment cover and the charging case battery is removable through a loading opening configured to insert the aerosol generating device into the docking compartment of the charging case. The battery compartment cover is accessible through the docking compartment of the charging case.

[0108] The method may further include removing an outer cover of the charging case from the case body to expose the battery compartment cover. The outer cover may include a flexible flap portion configured to reversibly wrap around the case body.

[0109] Removing the outer cover of the charging case may include overcoming the magnetic attraction holding the outer cover to the case body.

[0110] Removing the battery compartment cover from the case body may include removing the case body from the cavity of the battery compartment cover.

[0111] According to a third aspect of the present invention, there is provided use of an outer cover for covering a removable battery compartment cover of a charging case for an aerosol generating device.

[0112] The outer cover may define the external appearance of the charging box over the entire circumference of the charging box around the axial direction.

[0113] The outer cover may be removably attached to the box body defining the battery compartment.

[0114] The outer cover may include a flexible flap portion. The flexible flap portion may cover a loading opening of a docking space of the charging case. The docking space may be configured to receive an aerosol generating device to be charged.

[0115] The outer cover may include a rigid cover portion. The rigid cover portion may cover the battery compartment cover.

[0116] The rigid cover portion and the flexible flap portion can together define a continuous outer surface of the charging case.

[0117] According to a fourth aspect of the present invention, a charging case for an aerosol-generating device is provided. The charging case includes a case body, a charging case battery, and an outer cover. The case body extends in an axial direction. The case body defines a docking compartment configured to receive the aerosol-generating device. The outer cover is configured to form at least a portion of an outer surface of the charging case. A charging antenna for wirelessly charging the charging case battery is integrated into the outer cover.

[0118] The charging case battery can be received in a battery compartment defined by the case body.

[0119] The outer cover may be removably attached to the box body. The outer cover may be removably attached to the box body at an attachment portion of the outer cover. By replacing the outer cover, the charging antenna may be replaceable.

[0120] The outer cover may include a flexible flap portion. The flexible flap portion may be configured to reversibly wrap around the box body.

[0121] The outer cover, in particular the flexible flap portion of the outer cover, may have a free end. The free end may be configured to be attached to the box body so that the outer cover enters the storage configuration. The free end may be configured to be separated from the box body so that the outer cover enters the access configuration. The attachment portion of the outer cover may be attached to the box body in both the storage configuration and the access configuration.

[0122] The outer cover may be configured to cover the loading opening of the docking compartment in the storage configuration.The loading opening of the docking compartment may be uncovered in the access configuration.

[0123] The charging antenna may be disposed in the flexible flap portion.

[0124] The charging antenna may be provided in the rigid portion of the outer cover.

[0125] The outer cover may include a reinforcement layer in which the charging antenna is integrated into the outer cover. The reinforcement layer may be integrated into the outer cover. The reinforcement layer may locally modify the stiffness of the outer cover, preventing or minimizing bending of the charging antenna. The reinforcement layer may help prevent damage to the charging antenna, particularly preventing breakage of the windings of the antenna coil.

[0126] The outer cover may include a heat dissipation layer configured to receive heat from the charging antenna to prevent the charging antenna from overheating.

[0127] The stack of layers can be embedded in the outer cover. The stack of layers can include a reinforcement layer facing the box body, a charging antenna on top of the reinforcement layer, and a heat dissipation layer on top of the charging antenna. The stack can have a generally rectangular shape with rounded corners.

[0128] The stack may be assembled to a side surface of the box body. The side surface may have no curvature around the axial direction.

[0129] In an embodiment, only the portion of the outer cover on the axially rounded side edge of the outer cover is flexible.

[0130] In addition or as an alternative to the heat dissipation layer, the outer cover can include an energy dissipation circuit. The energy dissipation circuit can be configured to dissipate energy from the charging antenna to prevent the charging antenna from overheating. The energy dissipation circuit can include one or more resistive elements.

[0131] The outer cover may include an outer cover electrical interface. The outer cover electrical interface may be electrically connected to the charging antenna. The case body may include an antenna connection electrical interface. The antenna connection electrical interface may be configured to be electrically connected to the outer cover electrical interface. The outer cover electrical interface may be configured to reversibly engage and disengage with the antenna connection electrical interface.

[0132] According to a fifth aspect of the present invention, a charging case for an aerosol generating device is provided. The charging case includes a case body and a shell member. The case body extends in an axial direction. The case body defines a docking compartment. The docking compartment is configured to receive an aerosol generating device. The shell member is attached to the case body. The shell member forms at least a portion of the external appearance of the charging case. The shell member includes an end cap portion. The end cap portion covers opposite ends of the case body in the axial direction. The shell member has an axially extending connecting portion connected to the end cap portion.

[0133] The housing member may comprise a metal material. The housing member may be composed of a metal material. The housing member may be formed as a single piece. The housing member may be formed as a single metal piece. The metal material may comprise aluminum. The material may be aluminum or an aluminum alloy.

[0134] The charging box may further include an outer cover having a flexible flap portion. The flexible flap portion may be configured to reversibly wrap around the box body in a wrapping direction around the axial direction.

[0135] The outer cover can be removably attached to the box body. In particular, the attachment portion of the outer cover can be removably attached to the box body.

[0136] The outer cover, in particular the flexible flap portion of the outer cover, may have a free end. The free end may be configured to be attached to the box body so that the outer cover enters the storage configuration. The free end may be configured to be separated from the box body so that the outer cover enters the access configuration. The attachment portion of the outer cover may be attached to the box body in both the storage configuration and the access configuration.

[0137] The outer cover may be configured to cover the loading opening of the docking compartment in the storage configuration.

[0138] The loading opening of the docking compartment may be uncovered in the access configuration.

[0139] The outer cover and the housing piece can be configured to together define the entire exterior appearance of the charging case.

[0140] The outer cover may be configured to completely form the outer peripheral surface of the charging case except for the axial slit through which the connection portion of the housing member is visible.

[0141] The connecting portion may cover the box body.At least in the storage configuration of the outer cover, the connecting portion may cover at least any portion of the box body that is not covered by the outer cover.

[0142] According to a sixth aspect of the present invention, a charging case for an aerosol generating device is provided. The charging case includes a case body and an outer cover. The case body can extend along an axial direction. The case body defines a docking compartment. The docking compartment is configured to receive the aerosol generating device. The outer cover is attached to the case body. The outer cover includes a flexible flap portion. The flexible flap portion is configured to reversibly wrap around the case body in a wrapping direction around the axial direction. The outer cover is configured to extend around the case body over at least 50%, or at least 60%, or at least 70%, or at least 80%, or at least 90%, or at least 100% of the circumference of the case body.

[0143] The circumference of the box body may surround the axial direction.

[0144] According to a seventh aspect of the present invention, an aerosol generating system is provided. The aerosol generating system comprises a charging case according to any one of the first, fourth, fifth, or sixth aspects of the present invention. The aerosol generating system further comprises an aerosol generating device. The aerosol generating device is configured to be received in a docking compartment of the charging case.

[0145] The aerosol-generating device may be a handheld electronic device. For example, the aerosol-generating device may be substantially strip-shaped, substantially rod-shaped, or substantially cylindrical. When received in the docking compartment, the main extension direction of the aerosol-generating device may be parallel to the axial direction. The aerosol-generating device may be configured to be inserted into the docking compartment by moving the aerosol-generating device in a direction substantially perpendicular to the axial direction.

[0146] The aerosol generating device may comprise a device battery. The device battery may be a rechargeable battery. The device battery may power one or more functions of the aerosol generating device.

[0147] The aerosol-generating device may comprise a receiving cavity.The receiving cavity may be configured to receive an aerosol-generating article.

[0148] The aerosol-generating article may be configured to release an aerosol when heated.The aerosol may be an aerosol for consumption by a user.

[0149] The aerosol-generating article may be a substantially rod-shaped or strip-shaped article. The aerosol-generating article may include a plurality of segments arranged one after another. The segments may be cylindrical segments arranged one after another along their longitudinal axis. The segments may be combined with one or more wrappers wrapped around the segments. The segments may include an aerosol-generating segment. The aerosol-generating segment may include an aerosol-generating material configured to release an aerosol when heated. The aerosol-generating material may include tobacco. The segment may include a filter segment. The aerosol generated by heating the aerosol-generating segment may pass through the filter segment before reaching the user's mouth. The segment may include a mouthpiece segment. The mouthpiece segment may be configured to be contacted by the user's mouth. Alternatively, the filter segment may be engaged by the user's mouth. When the aerosol-generating article is received in the aerosol-generating device, one or both of the filter segment and the mouthpiece segment may protrude from the receiving cavity.

[0150] The aerosol-generating device may include a heater. The heater may be configured to heat an aerosol-generating article received in a receiving chamber. The heater may include, for example, a resistive heater element. The resistive heater element may include blades configured to penetrate into the aerosol-generating segment when the aerosol-generating article is received in the receiving chamber. The heater may include an induction component configured to heat the aerosol-generating segment by inductive heating of a susceptor, particularly a metal susceptor, included in the aerosol-generating segment. A device battery may power the heater.

[0151] The present disclosure includes various aspects, embodiments and examples. The features, advantages and explanations disclosed with reference to any of these aspects, embodiments and examples may be combined with or transferred to any of the other aspects, embodiments and examples described herein. Any of the charging boxes or aerosol generating systems described herein (in particular the charging boxes according to the first, fourth, fifth and sixth aspects and the aerosol generating system according to the seventh aspect) may be used in any of the methods or uses described herein, in particular in the method according to the second aspect and in the use according to the third aspect. The features, advantages and explanations described in the context of one of the charging boxes described herein (in particular in the context of any of the charging boxes according to the first, fourth, fifth and sixth aspects) may be combined with or transferred to any of the other charging boxes described herein (in particular the charging box according to any other of the first, fourth, fifth or sixth aspects).

[0152] The present invention is defined in the claims. However, a non-exhaustive list of non-limiting examples is provided below. Any one or more features of these examples may be combined with any one or more features of another example, embodiment or aspect described herein.

[0153] Example Ex1: A charging case for an aerosol generating device, comprising:

[0154] a case body extending in an axial direction and defining a battery compartment and a docking compartment, wherein the docking compartment is configured to receive an aerosol generating device, and wherein the battery compartment is configured to removably receive a charging case battery; and

[0155] A battery compartment cover is reversibly operable between a closed state and an open state, wherein the battery compartment cover is configured to cover a battery replacement opening of the battery compartment in the closed state and to allow access to the battery compartment through the battery replacement opening in the open state.

[0156] Example Ex2: The charging case according to Example Ex1, further comprising the charging case battery, wherein the charging case battery is removably arranged in the battery compartment.

[0157] Example Ex3: A charging case according to example Ex1 or Ex2, wherein the battery compartment cover is attached to the case body in the closed state.

[0158] Example Ex4: The charging case according to any one of Examples Ex1 to Ex3, wherein the battery compartment cover is attached to the case body by one or more attachment elements.

[0159] Example Ex5: The charging case according to any one of Examples Ex1 to Ex4, wherein the battery compartment cover is removed from the case body in the open state.

[0160] Example Ex6: A charging box according to any one of Examples Ex1 to Ex5, wherein in the closed state, at least 50%, or at least 60%, or at least 70%, or at least 80%, or at least 90% of the area of the battery compartment cover is arranged above the battery replacement opening.

[0161] Example Ex7: A charging box according to any one of Examples Ex1 to Ex6, wherein the maximum extension of the battery compartment cover beyond the battery replacement opening in the closed state is less than or equal to 40 mm, or 30 mm, or 25 mm, or 20 mm, or 15 mm, or 10 mm, or 5 mm.

[0162] Example Ex8: The charging case according to any one of Examples Ex1 to Ex7, wherein the battery compartment cover is plate-shaped.

[0163] Example Ex9: A charging case according to any one of Examples Ex1 to Ex8, wherein the battery compartment cover has a curvature in a cross-sectional plane perpendicular to the longitudinal direction of the battery compartment cover and is non-curved along the longitudinal direction of the battery compartment cover.

[0164] Example Ex10: The charging case according to any one of Examples Ex1 to Ex9, wherein a surface of the case body has a recessed area, wherein the battery compartment cover is disposed in the recessed area in the closed state.

[0165] Example Ex11: The charging case according to any one of Examples Ex1 to Ex10, wherein the battery compartment cover is at least substantially flush with an adjacent surface of the case body in the closed state.

[0166] Example Ex12: The charging case according to any one of Examples Ex1 to Ex11, wherein the case body includes a bottom plate surface and a top plate surface, the bottom plate surface and the top plate surface defining an extension of the battery compartment along the axial direction.

[0167] Example Ex13: A charging box according to any one of Examples Ex1 to Ex12, wherein the box body includes a side surface, and the side surface forms an inner wall section of the battery compartment within an angular extension range around the central axis of the battery compartment, and the angular extension range is at least 60 degrees, or at least 90 degrees, or at least 120 degrees, or at least 180 degrees, or at least 240 degrees.

[0168] Example Ex14: A charging box according to Example Ex13, wherein the central axis is parallel to the axial direction.

[0169] Example Ex15: The charging case according to any one of Examples Ex1 to Ex14, wherein the battery compartment is accessible through the docking compartment.

[0170] Example Ex16: The charging case according to any one of Examples Ex1 to Ex15, wherein one or both of the battery compartment cover and the charging case battery are configured to be removed through the docking compartment after the aerosol generating device is removed from the storage compartment.

[0171] Example Ex17: The charging case according to any one of Examples Ex1 to Ex16, wherein the battery replacement opening is formed in a wall defining an inner surface of the docking compartment.

[0172] Example Ex18: The charging case according to any one of Examples Ex1 to Ex17, wherein the battery compartment cover separates the battery compartment from the docking compartment in the closed state.

[0173] Example Ex19: A charging case according to any one of Examples Ex1 to E18, wherein a charging antenna for wirelessly charging the charging case battery is integrated into the battery compartment cover.

[0174] Example Ex20: A charging case according to Example Ex19, wherein the battery compartment cover includes a battery compartment cover electrical interface electrically connected to the charging antenna, and wherein the case body includes a case body electrical interface configured to be electrically connected to the charging case battery.

[0175] Example Ex21: The charging box according to Example Ex20 further includes an electrical connector, which electrically connects the battery compartment cover electrical interface to the box body electrical interface to supply power from the charging antenna to the charging box battery.

[0176] Example Ex22: A charging box according to Example 21, wherein the electrical connector is a flexible connector.

[0177] Example Ex23: A charging case according to any one of Examples Ex1 to E22, wherein the battery compartment cover forms at least a portion of the external appearance of the charging case.

[0178] Example Ex24: The charging case of any one of Examples Ex1 to E23, wherein the battery compartment cover includes at least one of a user interface and a data port that enables data transmission between an external device and the charging case.

[0179] Example Ex25: A charging case according to any one of Examples Ex1 to E24, wherein the battery compartment cover comprises or is formed of a metal material.

[0180] Example Ex26: The charging case according to any one of Examples Ex1 to E25, wherein the battery compartment cover includes an end portion that covers an opposite end of the case body with respect to the axial direction.

[0181] Example Ex27: A charging box according to Example Ex26, wherein at least one of the end portions has a curved side surface, and the curved side surface defines at least a portion of a side surface of the charging box extending around the axial direction.

[0182] Example Ex28: A charging case according to example Ex26 or Ex27, wherein the battery compartment cover has an axially extending cover portion connecting the end portion.

[0183] Example Ex29: A charging case according to any one of Examples Ex1 to E28, wherein the battery compartment cover defines a cavity that receives the battery compartment in a closed state of the battery compartment cover.

[0184] Example Ex30: The charging case of any one of Examples Ex1 to E29, wherein the case body is at least partially received in the battery compartment cover in a closed state of the battery compartment cover.

[0185] Example Ex31: The charging case according to any one of Examples Ex1 to Ex30, further comprising an outer cover configured to form at least a portion of an outer surface of the charging case, wherein the outer cover is configured to cover the battery compartment cover.

[0186] Example Ex32: A charging case according to Example Ex31, wherein the outer cover is removably attached to the case body.

[0187] Example Ex33: The charging case according to Example Ex31 or Ex32, wherein the outer cover is configured to wrap around the case body from one side of the case body around the opposite side of the case body and back to the one side of the case body.

[0188] Example Ex34: A charging case according to any one of Examples Ex31 to Ex33, wherein the outer cover includes a flexible flap portion configured to reversibly wrap around the case body.

[0189] Example Ex35: A charging case according to any one of Examples Ex31 to Ex34, wherein the outer cover has a free end, wherein the free end is configured to be attached to the case body so that the outer cover enters a storage configuration, and is configured to be separated from the case body so that the outer cover enters an access configuration.

[0190] Example Ex36: The charging case according to Example Ex35, wherein the outer cover is configured to cover the loading opening of the docking compartment in the storage configuration.

[0191] Example Ex37: A charging case according to Example Ex35 or Ex36, wherein the loading opening of the docking compartment is uncovered in the access configuration.

[0192] Example Ex38: A charging case according to any one of Examples Ex31 to Ex37, wherein the outer cover is configured to extend around the case body over at least 50%, or at least 60%, or at least 70%, or at least 80%, or at least 90%, or between 95% and 99%, or over at least 100% of the circumference of the case body.

[0193] Example Ex39: A charging box according to any one of Examples Ex31 to Ex38, wherein a charging antenna for wirelessly charging the battery of the charging box is integrated into the outer cover.

[0194] Example Ex40: A charging case according to Example Ex39, wherein the outer cover includes a reinforcement layer, and the charging antenna is integrated into the outer cover in the reinforcement layer.

[0195] Example Ex41: A charging box according to Example Ex39 or Ex40, wherein the outer cover includes an outer cover electrical interface electrically connected to the charging antenna, and wherein the box body includes an antenna connection electrical interface configured to be electrically connected to the outer cover electrical interface.

[0196] Example Ex42: The charging case according to any one of Examples Ex1 to Ex41, further comprising a housing member attached to the case body, wherein the housing member forms at least a portion of an external appearance of the charging case.

[0197] Example Ex43: A charging box according to Example Ex42, wherein the housing member includes an end cover portion that covers opposite ends of the box body relative to the axial direction.

[0198] Example Ex44: A charging box according to Example Ex43, wherein at least one of the end cover portions has a side surface that defines at least a portion of a side surface of the charging box extending around the axial direction, wherein the side surface is curved.

[0199] Example Ex45: The charging box according to Example Ex43 or Ex44 further includes a display arranged in a display receiving cavity of at least one of the end cover parts.

[0200] Example Ex46: A charging box according to any one of Examples Ex43 to Ex45, wherein the shell member has an axially extending connecting portion connected to the end cover portion.

[0201] Example Ex47: A charging case according to any one of Examples Ex42 to Ex46, wherein the housing member comprises a metal material.

[0202] Example Ex48: A method for replacing a battery in a charging case for an aerosol generating device, comprising:

[0203] a) removing the battery compartment cover from the case body of the charging case to expose the battery replacement opening of the battery compartment of the charging case;

[0204] b) removing the charging case battery from the battery compartment through the battery replacement opening;

[0205] c) inserting a replacement charging case battery into the battery compartment through the battery replacement opening; and

[0206] d) Reattaching the battery compartment cover to the box body to close the battery compartment.

[0207] Example Ex49: The method of example Ex48, wherein removing the battery compartment cover from the case body comprises disengaging one or more attachment elements securing the battery compartment cover to the case body.

[0208] Example Ex50: A method according to Example Ex48 or Ex49, wherein at least one of the battery compartment cover and the charging case battery is removed through a loading opening configured to insert an aerosol generating device into a docking compartment of the charging case.

[0209] Example Ex51: The method according to any one of Examples Ex48 to Ex50, further comprising removing an outer cover of the charging case from the case body to expose the battery compartment cover.

[0210] Example Ex52: The method of any one of Examples Ex48 to Ex51, wherein removing the outer cover of the charging case comprises overcoming a magnetic attraction force holding the outer cover to the case body.

[0211] Example Ex53: The method of any one of Examples Ex48 to Ex52, wherein removing the battery compartment cover from the box body comprises removing the box body from the cavity of the battery compartment cover.

[0212] Example Ex54: Use of an outer cover for covering a removable battery compartment cover of a charging case for an aerosol generating device.

[0213] Example Ex55: Use according to Example Ex54, wherein the outer cover defines the outer appearance of the charging case over the entire periphery of the charging case around the axial direction.

[0214] Example Ex56: Use according to example Ex54 or Ex55, wherein the outer cover is removably attached to a box body defining the battery compartment.

[0215] Example Ex57: Use according to any one of Examples Ex54 to Ex56, wherein the outer cover includes a flexible flap portion for covering a loading opening of a docking space of the charging box, wherein the docking space is configured to receive an aerosol generating device to be charged.

[0216] Example Ex58: Use according to any one of Examples Ex54 to Ex57, wherein the outer cover comprises a rigid cover portion, wherein the rigid cover portion covers the battery compartment cover.

[0217] Example Ex59: A charging case for an aerosol generating device, comprising:

[0218] a cartridge body extending in an axial direction and defining a docking compartment configured to receive an aerosol generating device;

[0219] Charging case battery; and

[0220] an outer cover configured to form at least a portion of an outer surface of the charging case;

[0221] The charging antenna for wirelessly charging the charging box battery is integrated into the outer cover.

[0222] Example Ex60: A charging case according to Example Ex59, wherein the outer cover is removably attached to the case body.

[0223] Example Ex61: A charging case according to Example Ex59 or Ex60, wherein the outer cover includes a flexible flap portion configured to reversibly wrap around the case body.

[0224] Example Ex62: A charging case according to any one of Examples Ex59 to Ex61, wherein the outer cover has a free end, wherein the free end is configured to be attached to the case body to bring the outer cover into a storage configuration, and is configured to be separated from the case body to bring the outer cover into an access configuration.

[0225] Example Ex63: The charging case according to Example Ex62, wherein the outer cover is configured to cover the loading opening of the docking compartment in the storage configuration.

[0226] Example Ex64: A charging case according to example Ex62 or Ex63, wherein the loading opening of the docking compartment is uncovered in the access configuration.

[0227] Example Ex65: A charging case according to any one of Examples Ex59 to Ex64, wherein the outer cover includes a reinforcement layer, and the charging antenna is integrated into the outer cover in the reinforcement layer.

[0228] Example Ex66: A charging case according to any one of Examples Ex59 to Ex65, wherein the outer cover includes an energy dissipation circuit configured to dissipate energy from the charging antenna to prevent the charging antenna from overheating.

[0229] Example Ex67: A charging box according to any one of Examples Ex59 to Ex66, wherein the outer cover includes an outer cover electrical interface electrically connected to the charging antenna, and wherein the box body includes an antenna connection electrical interface configured to be electrically connected to the outer cover electrical interface.

[0230] Example Ex68: A charging case for an aerosol generating device, comprising:

[0231] a cartridge body extending in an axial direction and defining a docking compartment configured to receive an aerosol generating device; and

[0232] a housing member attached to the case body, wherein the housing member forms at least a portion of an exterior appearance of the charging case;

[0233] wherein the housing member includes end cover portions, the end cover portions covering opposite ends of the box body along the axial direction;

[0234] The housing member has an axially extending connecting portion connected to the end cover portion.

[0235] Example Ex69: A charging box according to Example Ex68, wherein the shell member includes a metal material.

[0236] Example Ex70: The charging box according to Example Ex68 or Ex69 further includes an outer cover, wherein the outer cover has a flexible folding portion, and the flexible folding portion is configured to reversibly wrap around the box body in a wrapping direction around the axial direction.

[0237] Example Ex71: A charging case according to Example Ex70, wherein the outer cover is removably attached to the case body.

[0238] Example Ex72: A charging case according to Example Ex70 or Ex71, wherein the outer cover has a free end, wherein the free end is configured to be attached to the case body to bring the outer cover into a storage configuration, and is configured to be separated from the case body to bring the outer cover into an access configuration.

[0239] Example Ex73: The charging case according to example Ex72, wherein the outer cover is configured to cover the loading opening of the docking compartment in the storage configuration.

[0240] Example Ex74: A charging case according to example Ex72 or 73, wherein the loading opening of the docking compartment is uncovered in the access configuration.

[0241] Example Ex75: A charging case according to any one of Examples Ex70 to Ex74, wherein the outer cover and the housing member are configured to together define an entire exterior appearance of the charging case.

[0242] Example Ex76: A charging case according to any one of Examples Ex70 to Ex75, wherein the outer cover is configured to completely form the outer peripheral surface of the charging case except for the axial slit, and the connecting portion of the shell member is visible through the axial slit.

[0243] Example Ex77: A charging case for an aerosol generating device, comprising:

[0244] a cartridge body extending in an axial direction and defining a docking compartment configured to receive an aerosol generating device; and

[0245] an outer cover attached to the box body and including a flexible flap portion configured to reversibly wrap around the box body in a wrapping direction about the axial direction;

[0246] Wherein, the outer cover is configured to extend around the box body over at least 50%, or at least 60%, or at least 70%, or at least 80%, or at least 90%, or at least 100% of the circumference of the box body.

[0247] Example Ex78: An aerosol generating system comprising:

[0248] A charging case according to any one of Examples Ex1 to Ex47, or Ex59 to Ex77; and

[0249] aerosol generating devices;

[0250] The aerosol generating device is configured to be received in the docking compartment of the charging case. BRIEF DESCRIPTION OF THE DRAWINGS

[0251] Examples will now be further described with reference to the accompanying drawings, in which:

[0252] Figure 1 shows a schematic perspective view of an aerosol generating system according to a first embodiment;

[0253] Figure 2 shows a schematic side view of an aerosol generating system in an approximated configuration according to a first embodiment;

[0254] Figure 3 a schematic perspective view showing a charging case of an aerosol generating system according to a first embodiment in a partially disassembled state;

[0255] Figure 4 a schematic perspective view showing a case body and a housing member of a charging case of an aerosol generating system according to a first embodiment;

[0256] Figure 5 A schematic perspective view showing a charging case in a partially disassembled state according to a second embodiment;

[0257] Figure 6 showing a perspective view of a charging case in an approximated configuration according to a third embodiment;

[0258] Figure 7 A schematic cross-sectional view of a charging box according to a third embodiment is shown, wherein the outer cover is not shown;

[0259] Figure 8 A schematic perspective view showing a charging case according to a third embodiment in a partially disassembled state, wherein the outer cover is not shown;

[0260] Figure 9 A schematic perspective view showing a charging box in a partially disassembled state according to a fourth embodiment; and

[0261] Figure 10 A schematic perspective view showing a charging case in a partially disassembled state according to a fifth embodiment. DETAILED DESCRIPTION

[0262] Throughout the claims, like features are indicated by like reference numerals.

[0263] Figure 1 An aerosol generating system 1 according to a first embodiment is shown. The aerosol generating system 1 comprises an aerosol generating device 3. The aerosol generating device 3 may be a handheld electronic device for heating a stick-shaped aerosol generating article (not shown) to generate an aerosol for consumption by a user. The aerosol generating device 3 comprises a receiving chamber 5 for receiving the aerosol generating article. The aerosol generating device 3 further comprises a heater 7 for heating the aerosol generating article, in particular an aerosol generating segment of the aerosol generating article. The heater 7 may, for example, comprise a resistive heater element or an induction heating component configured to heat the aerosol generating segment of the aerosol generating article. The aerosol generating device 3 further comprises a rechargeable device battery 9 for powering one or more functions of the aerosol generating device 3. For example, the device battery 9 may power the heater 7.

[0264] The aerosol generating system 1 further comprises a charging case 11. The charging case 11 extends along an axial direction 13 from a first end 15 of the charging case 11 to a second end 17 of the charging case 11. The main extension direction of the charging case 11 is along the axial direction 13.

[0265] The charging box 11 includes an outer cover 19. Figure 1 , the charging case 11 is shown with the outer cover 19 in a storage or closed configuration. Figure 2 The charging case 11 is shown with the outer cover 19 in an closed or open configuration.

[0266] As in Figure 2As shown in , the charging case 11 further comprises a case body 23. The case body 23 extends along the axial direction 13 and defines a docking compartment 25. The docking compartment 25 is configured to removably receive the aerosol generating device 3. A user can store the aerosol generating device 3 in the docking compartment 25 of the charging case 11 or insert it into the docking compartment of the charging case, for example, between uses. The case body 23 can be removably inserted into the housing member 49 and can include electronic components for charging the battery 9 and electronic components for charging the battery 27.

[0267] The charging case 11 includes a charging case battery 27. The charging case battery 27 is in electrical contact with a battery interface 29 of the charging case 11. The battery interface 29 is electrically connected to an electrical device interface 31 provided in the docking compartment 25, for example, via electronic circuitry for charging the device battery 9. When the aerosol generating device 3 is received in the docking compartment 25, the aerosol generating device 3 can be electrically connected to the electrical device interface 31 to allow the device battery 9 to be charged with electrical energy that can be derived from the charging case battery 27. Thus, the device battery 9 can be recharged between uses while being stored in the docking compartment 25.

[0268] As in Figure 3 As best shown in FIG, the charging case battery 27 is received in a battery compartment 33 defined by the case body 23. The case body 23 has a top plate surface 35 and a bottom plate surface 37 that bound the battery compartment 33 along the axial direction 13.

[0269] Further, the case body 23 has a side wall 39 extending along the axial direction 13 between the top plate surface 35 and the bottom plate surface 37. The top plate surface 35, the bottom plate surface 37, and the side surface 39 together define the battery compartment 33. The battery compartment 33 has a battery replacement opening 41 through which the charging case battery 27 can be inserted into or removed from the battery compartment 33. The battery compartment 33 may include additional features for assisting in removing the charging case battery 27, such as a fabric strap or fabric strip that can be partially wrapped around an inserted charging case battery 27 so that the inserted charging case battery 27 can be pulled out via the strap or strip. Generally, the battery compartment 33 and the corresponding compartment cover 43 described herein are configured such that the charging case battery 27 can be easily removed from and inserted into the battery compartment and the corresponding compartment cover by a user without the need for special tools or destructive or irreversible processes (such as destroying the housing wall, severing the wired connection to the battery), so as to allow the user to replace the charging case battery after the charging case battery is defective or has insufficient capacity.

[0270] The charging case 11 may further include a battery compartment cover 43. The battery compartment cover 43 is operable between a closed state and an open state. Figure 2In the closed state, the battery compartment cover 43 covers the battery replacement opening 41, making the charging box battery 27 in the battery compartment 33 inaccessible and unable to be removed through the battery replacement opening 41. Figure 3 . In the open state, the battery compartment cover 43 allows access to the battery compartment 33 through the battery replacement opening 41 to remove or insert the charging case battery 27. In the closed state, the battery compartment cover 43 is attached to the case body 23. In the open state, the battery compartment cover is removed from the case body 23.

[0271] In a first embodiment, the battery compartment cover 43 can be reversibly attached to the case body 23 via a snap-fit connection. The snap-fit connection includes a structure 45 provided at the battery compartment cover 43 and a corresponding counter-structure 47 provided at the case body 23. The structure 45 is configured to engage the corresponding counter-structure 47. For example, one of the structure 45 and the counter-structure 47 can include a hook structure, and the other of the structure 45 and the counter-structure 47 can include a recessed portion that receives the hook structure. The hook structure can be deformable by having a tab or surface that can be engaged by a tool or a user's finger for bending the hook structure to allow the battery compartment cover 43 to be removed from the case body 23 without damage.

[0272] Alternatively or additionally, the battery compartment cover 43 may be reversibly attached to the case body 23 by one or more attachment elements separate from the battery compartment cover 43 and the case body 23, such as screws, pins, snap fasteners, a Velcro-like surface.

[0273] The battery compartment cover 43 may be plate-shaped. The battery compartment cover 43 may include a curvature in a cross-sectional plane perpendicular to the axial direction 13. Alternatively, the battery compartment cover 43 may be non-curved along the axial direction 13. Figure 3 As shown in , for example, the curvature of the battery compartment cover 43 corresponds to the curvature of the box body 23 .

[0274] As in Figure 3 and 4As best shown in FIG, the charging case 11 includes a housing member 49 attached to the case body 23. The housing member 49 can be a single-piece metal structure. The housing member 49 can form at least a portion of the external appearance of the charging case 11. The housing member 49 includes an end cover portion 51, which forms an end surface of the charging case 11 relative to the axial direction 13. The end cover portion 51 extends substantially perpendicular to the axial direction 13. The end cover portion 51 each includes an end surface 53 that is visible when the charging case 11 is viewed along or against the axial direction 13. Further, the end cover portion 51 each includes a side surface 55 that is visible when the charging case 11 is viewed along a viewing direction perpendicular to the axial direction 13. The side surfaces 55 can form edge portions of the charging case 11 at the first end 15 and the second end 17 of the charging case 11, respectively. The edge portions can be formed as rounded smooth surfaces. In a cross-sectional plane parallel to the axial direction 13, the side surfaces 55 of the end cover portion 51 are curved. The housing member 49 may further include a connecting portion 59 extending parallel to the axial direction 13 and connecting the end cover portions 51 to each other. For example, the housing member 49 including the connecting portion 59 and the two end cover portions 51 may be made from a single aluminum or aluminum alloy casting element, thereby forming a frame for holding the box body 23, which may be located between the two end cover portions 51.

[0275] As in Figure 1 As shown in , the display 57 can be received in a receiving cavity of at least one end cover part 51. In particular, the receiving cavity can be provided in the side surface 55 of the end cover part 51. The display 57 can also be curved. The curvature of the display 57 can be the same as the curvature of the side surface 55 of the end cover part 51. The display 57 can be flush with the surface of the end cover part 51. The display 57 can, for example, indicate the charging status of the charging box battery 27 or the device battery 9, and can be capable of displaying other information related to the operating status of the aerosol generating system 1. Figure 1 In a variant shown in dashed lines in FIG, it is also possible that a relatively large area of one of the end cap parts 51 is covered by the display 57, for example so that the display 57 is arranged in the center of the end cap part 51, thereby forming a curved display screen, and there is a small surrounding border formed by the end cap part 51; or the entire end cap part 51 is covered by the display 57. The display 57 can have an oval shape or a longitudinal shape with two curved side edges. The display 57 can include a curved high-resolution screen.

[0276] The outer cover 19 may be removably attached to the box body 23 . Figure 3The outer cover 19 is shown removed from the box body 23. The outer cover 19 includes a connecting portion 61 for removably attaching to the box body 23. Preferably, the connecting portion 61 of the outer cover 19 can be attached to the box body 23 by magnetic interaction. A magnet 63 is provided at the box body 23 to magnetically interact with a corresponding magnet 65 provided in the connecting portion 61 of the outer cover 19. Alternatively, the magnet 63 of the box body 23 or the magnet 65 of the outer cover 19 can be replaced with a metal structure susceptible to magnetic interaction.

[0277] The outer cover 19 includes a flexible flap portion 21. The flexible flap portion 21 includes a free end 67 of the outer cover 19. The free end 67 can extend parallel to the axial direction 13. The flexible flap portion 21 is configured to reversibly wrap around the box body 23 while the outer cover 19 is attached to the box body 23 at the connecting portion 61. At the free end 67 of the flexible flap portion 21, a latch 69 is provided. The latch 69 is configured to be reversibly attached to the box body 23. Preferably, the latch 69 includes a magnet that is included in or attached to the outer cover 19. The free end 67 can be attached to the box body 23 to bring the outer cover 19 into the storage configuration. Figure 1 . In the storage configuration, the outer cover 19 covers the loading opening 68 of the docking compartment 25. The outer cover 19 can be brought into the access configuration by separating the free end 67 of the flexible flap portion 21 from the box body 23 and by bending the flexible flap portion 21 or moving the flexible flap portion away from the docking compartment 25. In the access configuration, the loading opening 68 of the docking compartment 25 is accessible for inserting the aerosol generating device 3 into the docking compartment 25 or removing the aerosol generating device 3 from the docking compartment 25.

[0278] As in Figure 3 As shown in FIG, the outer cover 19 includes a rigid cover portion 71 between the connecting portion 61 and the flexible flap portion 21. The rigid cover portion 71 can cover a portion of the box body 3 that is non-flexible about the axial direction 13. A stack of layers 73 can be integrated into the rigid portion 71 of the outer cover 19. The stack of layers 73 can include a reinforcement layer to reduce the bendability of the rigid portion 71, a wireless charging antenna 75 on top of the reinforcement layer, and a heat dissipation layer on top of the wireless charging antenna 75, the heat dissipation layer being the layer closest to the external environment. The reinforcement layer can reduce the risk of damage to the wireless charging antenna 75 due to bending of the outer cover 19 in the area of the wireless charging antenna 75. The heat dissipation layer can improve heat dissipation to the outside to reduce the risk of damage to the outer cover 19 or the wireless charging antenna 75 due to excessive heat generated by the wireless charging antenna 75, especially when the outer cover 19 is removed from the box body 23.

[0279] In the connection portion 61 of the outer cover 19, an outer cover electrical interface 77 may be provided. The outer cover electrical interface 77 may be electrically connected to the charging antenna 75 to achieve electrical interconnection and operability with the case body 23. The case body 23 includes an antenna connection electrical interface 79. When the outer cover 19 is attached to the case body 23, the outer cover electrical interface 77 is electrically connected to the antenna connection electrical interface 79. In conjunction with a suitable wireless charging station, the wireless charging antenna 75 can charge the charging case battery 27.

[0280] As in Figure 3 As shown in , the outer cover 19 may include a second flexible flap portion 84. The second flexible flap portion 84 may be disposed between the connecting portion 61 and the rigid cover portion 71. The rigid cover portion 71 may be disposed between the flexible flap portion 21 and the second flexible flap portion 84.

[0281] Figure 5 The charging box 11 according to the second embodiment is shown. The principle concept of the charging box 11 according to the second embodiment is similar to that of the charging box 11 of the first embodiment. Therefore, the description of the same or similar aspects is omitted, and the description focuses on the differences with respect to the first embodiment.

[0282] In the second embodiment, the battery compartment cover 43 may be reversibly attached to the box body 23 by external attachment elements 80 , for example in the form of screws.

[0283] In the closed state, the battery compartment cover 43 is received in the recessed area 81 of the box body 23. Therefore, in the closed state, the battery compartment cover 43 is flush with the adjacent surface of the box body 23.

[0284] In the outer cover 19, according to the second embodiment, the connection portion 61 having the magnet 65 and the outer cover electrical interface 77 is provided between the flexible flap portion 21 and the rigid portion 71. The rigid portion 71 is curved in a manner consistent with the curvature of the case body 23. When the outer cover 19 is attached to the case body 23, the rigid portion 71 is located above the charging case cover 43.

[0285] In the second embodiment, the outer cover 19 does not extend around the entire periphery of the charging case 11 in the storage configuration. Rather, the connecting portion 59 of the housing member 49 is at least partially visible. The outer appearance of the charging case 11 in the axial direction 13 is formed by the outer cover 19 and the connecting portion 59 of the housing member 49.

[0286] Figures 6 to 8 A charging box 11 according to a third embodiment is shown. The principle concept of the charging box 11 according to the third embodiment is similar to that of the charging boxes of the first and second embodiments. Therefore, descriptions of the same or similar aspects are omitted, and the description focuses on the differences with respect to the first and second embodiments.

[0287] In a third embodiment, a removable portion of the inner wall of the docking compartment 25 forms the battery compartment cover 43. Figure 8 , the battery compartment cover 43 can be removed when the aerosol generating device 3 is not inserted into the docking compartment 25. After the battery compartment cover 43 has been removed, the charging case battery 27 can be removed from the battery compartment 33 through the docking compartment 25. The battery compartment cover 43 can be reversibly attached to the case body 23 using an attachment element in the form of a clip 82. The clip 82 includes two protrusions 83 that are configured to extend through corresponding openings 85 in the battery compartment cover 43 to engage a receiving structure 87 of the case body 23. By this embodiment, the battery compartment cover 43 can be hidden within the existing docking compartment 25, in particular not easily visible when the aerosol generating device 3 is inserted, thereby visually affecting the design of the removable battery arrangement only to a minimal extent.

[0288] As in Figure 7 As shown in FIG, the battery compartment cover 43 separates the docking compartment 25 from the battery compartment 33. The battery compartment cover 43 can be removed through the docking compartment 25. The charging case battery 27 can be removed from the battery compartment 33 through the docking compartment 25.

[0289] Figure 9 A charging box 11 according to a fourth embodiment is shown. The principle concept of the charging box 11 according to the fourth embodiment is similar to that of the charging boxes of the first to third embodiments. Therefore, descriptions of the same or similar aspects are omitted, and the description focuses on the differences with respect to the first to third embodiments.

[0290] The fourth embodiment corresponds to Figure 5 The second embodiment shown in FIG, differs in that, in the fourth embodiment, there is a charging antenna 101 integrated in the battery compartment cover 43 to enable wireless charging of the charging case battery 27 from an external wireless charging station.

[0291] The charging antenna 101 is electrically connected to the battery compartment cover electrical interface 103 of the battery compartment cover 43. The case body 23 includes a case body electrical interface 105 that is electrically connected to the charging case battery 27 via the battery interface 29. The charging case 11 includes an electrical connector 107 that electrically connects the battery compartment cover electrical interface 103 to the case body electrical interface 105 to supply power from the charging antenna 101 integrated in the battery compartment cover 43 to the charging case battery 27. In the illustrated embodiment, the electrical connector 107 is a flexible connector. Due to the flexibility of the electrical connector 107, when the battery compartment cover 43 is removed to access the charging case battery 27, it is not necessary to detach the electrical connector 107 from either the battery compartment cover electrical interface 103 or the case body electrical interface 105.

[0292] Figure 10A charging box 11 according to a fifth embodiment is shown. The principle concept of the charging box 11 according to the fifth embodiment is similar to that of the charging boxes of the first to fourth embodiments. Therefore, descriptions of the same or similar aspects are omitted, and the description focuses on the differences with respect to the first to fourth embodiments.

[0293] As in the previous embodiments, the charging case 11 of the fifth embodiment includes a case body 23 and a battery compartment cover 43. The case body 23 extends along the axial direction 13 and defines a docking compartment 25 for the aerosol generating device 3. The case body 23 further defines a battery compartment 33 for receiving the charging case battery 27. The case body 23 has a top plate surface 35 and a bottom plate surface 37 that define the battery compartment 33 along the axial direction 13.

[0294] Figure 10 The charging case 11 is shown with the battery compartment cover 43 in an open state, wherein the battery replacement opening 41 of the battery compartment 33 is accessible. Operating the battery compartment cover 43 from the closed state to the open state may include partially or completely removing the case body 23 from the cavity 111 of the battery compartment cover 43. By at least partially removing the case body 23 from the cavity 111, the battery compartment 33 becomes accessible to enable removal of the charging case battery 27 from the battery compartment 33.

[0295] In order to operate the battery compartment cover 43 from the open state to the closed state, the box body 23 can be partially or completely inserted into the cavity 111. By inserting the box body 23 into the cavity 111, the battery compartment 33, and in particular, the battery replacement opening 41 of the battery compartment 33, can become covered by the battery compartment cover 43. In the closed state of the battery compartment cover 43, the box body 23 is at least partially received in the battery compartment cover 43, in particular, in the cavity 111 of the battery compartment cover 43.

[0296] In the closed state of the battery compartment cover 43, the case body 23 can be fixed to the battery compartment cover 43 by a removable attachment element 121, such as a screw extending through a screw hole 123 in the case body 23. The charging case 11 may include a fixing element cover 125 that is removably arranged at the case body 23 to cover the attachment element 121 in the closed state of the battery compartment cover 43.

[0297] The battery compartment cover 43 includes an end portion 113 that covers the opposite end of the case body 23 with respect to the axial direction 13 when the battery compartment cover 43 is closed. The end portion 113 forms a part of the external appearance of the charging case 11. The end portion 113 may have a curved side surface that defines at least a portion of the side surface of the charging case 11 extending around the axial direction 13. The battery compartment cover 43 further has an axially extending cover portion 115 connected to the end portion 113. The axially extending cover portion 115 is curved around the axial direction 13.

[0298] In the fifth embodiment, the battery compartment cover 43 forms a substantial portion of the external appearance of the charging case 11 .

[0299] The battery compartment cover 43 may include a user interface 117 that facilitates user interaction with the charging case 111. For example, the user interface 117 may include a display or buttons. The battery compartment cover 43 may include a data port 119 that enables data transmission between an external device and the charging case 111. For example, the data port 119 may include a USB port, particularly a USB-C port. For example, the user interface 117 and / or the data port 119 may be connected to the case body 23 via a flexible connector 127.

[0300] For the purposes of this specification and the appended claims, unless otherwise indicated, all numbers indicating amounts, quantities, percentages, etc. should be understood to be modified by the term "about" in all cases. In addition, all ranges include the disclosed maximum and minimum points, and include any intermediate ranges therein, which may or may not be specifically listed in this article. Therefore, in this context, the number A is understood to be {10%} of A±A. In this context, the number A can be regarded as including the numerical value within the general standard error for the measurement of the property modified by the number A. In certain cases used in the appended claims, the number A may deviate from the percentages listed above, provided that the amount of A deviation does not substantially affect the basic characteristics and novel features of the invention claimed. In addition, all ranges include the disclosed maximum and minimum points, and include any intermediate ranges therein, which may or may not be specifically listed in this article.

Claims

1. A charging case for an aerosol generating device, comprising: a case body extending in an axial direction and defining a battery compartment and a docking compartment, wherein the docking compartment is configured to receive an aerosol generating device, and wherein the battery compartment is configured to removably receive a charging case battery; a battery compartment cover reversibly operable between a closed state and an open state, wherein the battery compartment cover is configured to cover a battery replacement opening of the battery compartment in the closed state and to allow access to the battery compartment through the battery replacement opening in the open state; as well as an outer cover configured to form at least a portion of an outer surface of the charging case, wherein the outer cover is configured to cover the battery compartment cover; The outer cover includes a flexible flap portion configured to reversibly wrap around the box body.

2. The charging case according to claim 1, wherein the battery compartment cover is plate-shaped.

3. The charging box according to claim 1 or 2, wherein a surface of the box body has a recessed area, wherein the battery compartment cover is disposed in the recessed area in the closed state.

4. A charging case according to any one of the preceding claims, wherein the battery compartment is accessible through the docking compartment.

5. A charging case according to any one of the preceding claims, wherein the battery replacement opening is formed in a wall defining an inner surface of the docking compartment.

6. The charging case of any one of the preceding claims, wherein the battery compartment cover separates the battery compartment from the docking compartment in the closed state.

7. A charging case according to any one of the preceding claims, wherein the outer cover is removably attached to the case body.

8. The charging box according to any one of the preceding claims, wherein the outer cover is configured to wrap around the box body from one side of the box body around the opposite side of the box body and back to the one side of the box body.

9. A charging box according to any one of the preceding claims, wherein a charging antenna for wirelessly charging the charging box battery is integrated into the outer cover.

10. A charging case according to any one of the preceding claims, wherein a charging antenna for wirelessly charging the charging case battery is integrated into the battery compartment cover.

11. The charging case of any one of the preceding claims, wherein the battery compartment cover defines a cavity that receives the battery compartment in a closed state of the battery compartment cover.

12. The charging box according to any one of the preceding claims, further comprising a shell member attached to the box body, wherein the shell member forms at least a part of the external appearance of the charging box, wherein the shell member includes an end cover portion, and the end cover portion covers the opposite end of the box body relative to the axial direction.

13. A method for replacing a battery in a charging case for an aerosol generating device, comprising: a) removing an outer cover of the charging case from a case body of the charging case to expose a battery compartment cover, wherein the outer cover includes a flexible flap portion configured to reversibly wrap around the case body; b) removing the battery compartment cover from the case body to expose a battery replacement opening of the battery compartment of the charging case; b) removing the charging case battery from the battery compartment through the battery replacement opening; c) inserting a replacement charging case battery into the battery compartment through the battery replacement opening; as well as d) Reattaching the battery compartment cover to the box body to close the battery compartment.

14. The method of claim 13, wherein at least one of the battery compartment cover and the charging case battery is removed through a loading opening configured to insert an aerosol generating device into a docking compartment of the charging case.

15. Use of an outer cover for covering a removable battery compartment cover of a charging case for an aerosol generating device, wherein the outer cover includes a flexible folding flap portion for covering a loading opening of a docking space of the charging case, wherein the docking space is configured to receive an aerosol generating device to be charged.

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