Charging case for an aerosol generating device having a removable battery compartment cover

Abstract

The charging case (11) for the aerosol generating device (3) includes a case body (23) and a battery compartment cover (43). The case body (23) extends along an axial direction (13) and defines a battery compartment (33) and a docking compartment (25). The docking compartment (25) is configured to receive the aerosol generating device (3). The battery compartment (33) is configured to removably receive a charging case 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 technology]

[0002] Various types of aerosol generating devices are known. For example, a non-heat-burning aerosol generating device generally 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 a tobacco segment or tobacco plug, and the electric heater housed within the aerosol-generating device is inserted into or positioned around the aerosol-forming substrate when the aerosol-generating article is received in the aerosol-generating device. According to another embodiment, a vaporizer-type aerosol generating device may include a device battery for heating an aerosol-generating liquid from a cartridge to provide an aerosol for consumption by a user.

[0003] WO2021 / 074420 discloses a holder for an elongated aerosol generating device. The holder defines a docking space for accommodating the aerosol generating device. The aerosol generating device can be accommodated within the docking space for protection and for recharging the device battery of the aerosol generating device with power from the holder's primary battery. The holder includes a cover that is movable between a covered position in which the cover covers at least a portion of the docking space and an uncovered position.

[0004] WO2021 / 089304A1 discloses a holder for an aerosol generating device. The holder has a docking space that accommodates the longitudinal dimension of the aerosol generating device. The holder is equipped with a primary battery for charging the device battery of the aerosol generating device. Summary of the Invention

[0005] According to a first aspect of the present invention, there is provided a charging case for an aerosol generating device. The charging case includes a case body and a battery compartment cover. The case body extends along 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 within the docking compartment.

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

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

[0009] In the open state, a charging case battery disposed within the battery compartment may be removable from the battery compartment through the battery replacement opening. In the open state, a charging case battery may be insertable into the battery compartment through the battery replacement opening.

[0010] Reversibly operating the battery compartment cover between the closed and open states may include reversibly operating the battery compartment cover from the closed state to the open state. Reversibly operating the battery compartment between the closed and open states may include reversibly operating the battery compartment cover from the open state to the closed state. The battery compartment cover may be configured to be operable between the closed and open states multiple times without requiring replacement components. The battery compartment cover may be operable between the closed and open states in a non-destructive manner.

[0011] The battery compartment cover may be configured to allow replacement or exchange of a charging case battery disposed within the battery compartment through a battery exchange opening.

[0012] The charging case may include a charging case battery. The charging case battery may be removably disposed in a battery compartment. The charging case battery may be configured to be replaced or replaced through a battery replacement opening. Replacing or replacing the charging case battery may extend the life of the charging case.

[0013] The charging case battery may be provided without a fixed connection to the charging case. The charging case battery may be configured to be removed from the battery compartment in a non-destructive manner. The charging case battery may be provided within the battery compartment without being connected to other parts of the charging case by glue or adhesive.

[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] The charging case battery may be, for example, an alkaline battery, or a nickel metal hydride (NIMH) battery, or a lithium ion battery.

[0016] The charging case may include an electric battery interface. The electric battery interface may be provided within the battery compartment. The charging case battery may be electrically connected to the electric battery interface while disposed within the battery compartment. The charging case battery may be configured to be reversibly disconnected from the electric battery interface. The charging case battery may be electrically connected to the electric battery interface without a fixed connection, for example by soldering, welding, or gluing, between the charging case battery and the electric battery interface.

[0017] The electrical battery interface may include one or more contact structures configured to connect to one or more contacts of the charging case battery, particularly by a snap-fit ​​connection, and the one or more contact structures may be biased into engagement with 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 provided within the docking compartment. The electrical device interface may be configured to electrically connect to an aerosol generation device received within the docking compartment. The electrical device interface may be configured to charge a device battery of the aerosol generation device with electrical energy from the charging case battery.

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

[0020] Operating the battery compartment cover between the closed and open positions 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 include removing the battery compartment cover from the case body. In the open state, the battery compartment cover may be removed from the case body.

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

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

[0024] The battery compartment cover may be attached to the case body by one or more attachment elements, which may be configured to allow repeated removal and attachment of the battery compartment cover to the case body.

[0025] The one or more mounting elements may comprise one or more mounting elements separate from both the case body and the battery compartment cover. For example, the one or more mounting elements may comprise screws or clips. The one or more mounting elements may be configured to extend through one or more respective openings in the battery compartment cover. The one or more mounting elements may be configured to be retained within a receiving structure in the case body.

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

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

[0028] In the closed state, at least 50 percent, or at least 60 percent, or at least 70 percent, or at least 80 percent, or at least 90 percent of the area of ​​the battery compartment cover may be disposed directly over the battery replacement opening. If the battery compartment cover is shaped and sized so that most of it actually covers the battery replacement opening, it may be possible to avoid the need to remove larger parts to access the battery compartment.

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

[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, 1 centimeter to 10 centimeters, or 2 centimeters to 10 centimeters, or 2 centimeters to 8 centimeters, or 3 centimeters to 8 centimeters, or 3 centimeters to 7 centimeters, or 4 centimeters to 5 centimeters. 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 axis of the battery compartment cover. The battery compartment cover may not be curved along the longitudinal axis of the battery compartment cover. The longitudinal axis 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 matches the shape of the case body. The battery compartment cover and the case body may be configured together to form a smooth shape.

[0034] The surface of the case body may include a recessed area. In the closed state, the battery compartment cover may be provided within the recessed area. The extension of the battery compartment cover above the surface of the case body may be reduced because the battery compartment cover is provided within the recessed area.

[0035] The shape of the recessed area may correspond to the shape of the battery compartment cover, and the recessed area may facilitate obtaining correct alignment of the battery compartment cover relative to the case body.

[0036] The battery compartment cover may be at least essentially flush with the adjacent surface of the case body in the closed state. The height difference between the battery compartment cover and the adjacent surface of the case body in the closed state may be less than 3 millimeters, or less than 2 millimeters, or less than 1 millimeter, or less than 0.5 millimeters, or less than 0.3 millimeters in the closed state.

[0037] The case body may have a floor and a ceiling. The floor and ceiling may define an extension of the battery compartment along the axial direction. The floor and ceiling may face each other. The floor and ceiling may form part of an inner wall of the battery compartment.

[0038] The case body may have sides that form inner wall sections of the battery compartment over an angular extension 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 about a central axis of the battery compartment. 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 percent, or at least 50 percent, or at least 60 percent, or at least 70 percent, or at least 80 percent, or at least 90 percent 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 an additional access point to the battery compartment outside of the docking compartment. Thus, accessibility of the battery compartment can be provided without adversely affecting the appearance of the charging case.

[0042] The battery compartment cover may be 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 that defines the inner surface of the docking compartment, which may be a wall of the case body.

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

[0047] A charging antenna for wirelessly charging the charging case battery may be integrated into the battery compartment cover. The charging antenna may be an integral part of the battery compartment cover. The charging antenna may be electrically connected to the electrical battery interface at least in the closed state of the battery compartment cover. The charging antenna may be electrically connected to the charging case battery at least in the closed state of the battery compartment cover. The charging antenna may be configured to receive wireless power transmissions from an external charging station. Providing a charging antenna integrated into the battery compartment cover may 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 within 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, and the case body electrical interface may be electrically connected to the electrical 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 to the charging case battery from a charging antenna integrated in the battery compartment cover. 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 when the battery compartment cover is in both a closed state and an open state.

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

[0052] The battery compartment cover may form at least part of the exterior of the charging case, and may be directly accessible from the outside of 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 push buttons.

[0054] The battery compartment cover may comprise a data port for enabling data transmission between an external device and the charging case. The data port may comprise, for example, a USB port, in particular a USB-C port.

[0055] The battery compartment cover may comprise or be formed from a metallic material, which may be or include aluminum.

[0056] The battery compartment cover may include end portions that cover opposite axial ends of the case body, and the end portions may form part of the exterior of the charging case.

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

[0059] The battery compartment cover may define a cavity that receives the battery compartment when the battery compartment cover is in a closed position.

[0060] The case body may be at least partially received within the battery compartment cover, particularly within the cavity of the battery compartment cover, in the closed state of the battery compartment cover.

[0061] Operating the battery compartment cover from a closed state to an open state can include partially or completely removing the case body from the cavity. By removing the case body from the cavity, the battery compartment, and in particular the battery replacement opening of the battery compartment, can become accessible to allow removal of the charging case battery from the battery compartment.

[0062] Operating the battery compartment cover from the open state to the closed state may include partially or fully inserting the case body into the cavity, whereby the battery compartment, and in particular the battery replacement opening of the battery compartment, may be covered by the battery compartment cover.

[0063] The charging case may further include an outer cover 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 placed over and in contact with the battery compartment cover.

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

[0067] The outer cover may be configured to reversibly wrap around the case body from one side of the case body, around the opposite side of the case body, and back to one side of the case body. The outer cover may provide a clean, unified appearance to 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 case body. The flexible flap portion may be configured to wrap around the case body so as to contact the case body. The flexible flap portion may be configured to bend along the case body so as to assume a shape corresponding to the shape of the case body. The flexible flap portion may be configured to reversibly wrap around the case body about an axis parallel to the axial direction. The flexible flap portion may be configured to reversibly wrap around a portion of the circumference of the case body. The flexible flap portion may be configured to reversibly wrap around the entire circumference of the case body. The flexible flap portion may be configured to reversibly wrap around the case body from one side of the case body, around the opposite side of the case body, and back to one side of the case body.

[0069] The outer cover, particularly the flexible flap portion of the outer cover, may have a free end that may be configured to be attached to the case body to place the outer cover in the storage configuration or that may be configured to be separated from the case body to place the outer cover in the access configuration.

[0070] The free end may be spaced from the attachment portion of the outer cover. The outer cover may be attached to the case body, and in particular may be attached to the case body 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 not be covered. The outer cover may be configured not to cover the loading opening of the docking compartment in the access configuration. In the evaluation configuration, the aerosol generating device may be insertable into the docking compartment through the loading opening. In the evaluation configuration, the aerosol generating device may be removable from the docking compartment through the loading opening.

[0073] The outer cover may be configured to extend around the case body over at least 50 percent, or at least 60 percent, or at least 70 percent, or at least 80 percent, or at least 90 percent, or at least 100 percent of the circumference of the case body. The outer cover may be configured to extend around the case body over 95 to 99 percent of the circumference of the case body. The circumference of the case body may be around an axial direction. The outer cover may extend around the case body over at least 180 degrees, or at least 210 degrees, or at least 240 degrees, or at least 270 degrees, or at least 300 degrees, or at least 330 degrees, or at least 360 degrees around an axis parallel to the axial direction.

[0074] A charging antenna for wirelessly charging the charging case battery may be integrated into the outer cover. The charging antenna may be electrically connected to the electrical battery interface. The charging antenna may be electrically connected to the charging case battery. The charging antenna may be configured to receive wireless power transmissions from an external charging station. Providing the charging antenna integrated into the outer cover may save space in other portions 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 rigid. The rigid portion may be positioned over the battery compartment opening.

[0076] A rigid portion may be provided between the attachment portion and the flexible flap portion. A rigid portion may be provided between the attachment portion and the free end. A mounting portion may be provided between the rigid portion and the flexible flap portion. A mounting portion may be provided 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 provided between the connecting portion and the rigid cover portion. The rigid cover portion may be provided between the flexible flap portion and the second flexible flap portion.

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

[0079] The charging antenna may be integrated into a flexible flap portion of the outer cover. The charging antenna may be integrated into a rigid portion of the outer cover, which may reduce the possibility of the charging antenna being damaged by bending of the outer cover.

[0080] The outer cover may include a reinforcing layer in which the charging antenna is embedded. The reinforcing layer may be embedded in the outer cover. The reinforcing layer may locally modify the stiffness of the outer cover to prevent or minimize bending of the charging antenna. The reinforcing layer may help prevent damage to the charging antenna, and in particular to prevent 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 may be embedded in the outer cover. The stack of layers may include a reinforcing layer facing the case body, a charging antenna on top of the reinforcing layer, and a heat dissipation layer on top of the charging antenna. The stack may have a substantially rectangular shape with rounded corners. The heat dissipation layer may be the layer of the stack of layers closest to the external environment.

[0083] The stack may fit onto the side of the case body, and the side may not be curved about the axial direction.

[0084] In one embodiment, only the portions of the outer cover that are on the axial rounded side edges of the outer cover are flexible.

[0085] In addition to or as an alternative to the heat dissipation layer, the outer cover may include an energy dissipation circuit configured to dissipate energy from the charging antenna, and 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 a 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 case may further include a housing portion. The housing portion may be attached to the case body. The housing portion may form at least a part of the exterior of the charging case.

[0088] The housing part may include end cover portions. The end cover portions may cover opposite ends of the case body in the axial direction. The end cover portions may comprise two end cover portions. The end cover portions may extend parallel to each other. The end cover portions may extend perpendicular to the axial direction. The end cover portions may have, for example, an essentially oval, or an essentially round, or an essentially rectangular shape.

[0089] The end cover portions may each comprise an end face that is visible when viewing the charging case along the axial direction or vice versa.

[0090] At least one of the end cover portions may include a rounded edge extending circumferentially about the axial direction, which may reduce the likelihood of being damaged compared to, for example, a sharp edge.

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

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

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

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

[0095] A display-receiving cavity may be provided in at least one of the edge cover portions. The display-receiving cavity may, for example, be partially or completely provided in a side surface of the at least one edge cover portion. The display-receiving cavity may be provided exclusively within a side surface of the at least one edge cover portion. A substantial area of ​​the at least one edge cover portion may be covered by the display-receiving cavity. For example, the display-receiving cavity may be disposed in the center of the at least one edge cover portion. There may be a small peripheral border around the display-receiving cavity created by the at least one edge cover portion.

[0096] The charging case may include a display, which may be provided within the display receiving cavity.

[0097] The display may be partially or completely provided on a side of the at least one end cover portion. A substantial area of ​​the at least one end cover portion may be covered by the display. For example, the display may be disposed in the center of the at least one end cover portion. There may be a small peripheral border around the display created by the at least one end cover portion. The entire end cover 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 sides of the at least one end cover portion. The display may be flush with an adjacent surface of the at least one end cover portion.

[0099] The display may include a fiber optic element. The display may be configured to indicate the charge state of a charging case battery or the charge state of a device battery of an 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 portions may include an axially extending connecting portion. The extending connecting portion may connect the end portions. The connecting portion may extend about the axial direction through an angle of up to 90 degrees, or up to 60 degrees, or up to 30 degrees, or up to 20 degrees, or up to 10 degrees.

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

[0102] Two opposing ends of the outer cover along the circumferential direction of the charging case may be spaced apart from one another when the outer cover is in the retracted configuration. The housing portions, particularly the connecting portions of the housing portions, may be visible through the gap between the opposing ends of the outer cover. The gap may have a width of 1 mm to 25 mm, or 1 mm to 20 mm, or 1 mm to 15 mm, or 1 mm to 10 mm, or 1 mm to 7 mm, or 1 mm to 5 mm, or 1 mm to 3 mm. The width of the gap may be the circumferential width. The housing portions, particularly the connecting portions of the housing portions, may completely fill the gap.

[0103] The housing portion may include a metallic material. The housing portion may consist of a metallic material. The housing portion may be formed from one piece. The housing portion may be formed as one piece of metal. The metallic material may include aluminum. The material may be aluminum or an aluminum alloy.

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

[0105] Steps a) through d) may be performed in alphanumeric order.

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

[0107] At least one of the battery compartment cover and the charging case battery may be removed through a loading opening configured to insert the aerosol generating device into the docking compartment of the charging case. The battery compartment cover may be accessed 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 involve resisting the magnetic attraction that holds 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 the use of an outer cover to cover a removable battery compartment cover of a charging case for an aerosol generating device.

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

[0113] The outer cover may be removably attached to the case body that defines the battery compartment.

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

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

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

[0117] According to a fourth aspect of the present invention, there is provided a charging case for an aerosol generating device. The charging case includes a case body, a charging case battery, and an outer cover. The case body extends along 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 the 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 may be received within a battery compartment defined by the case body.

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

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

[0121] The outer cover, particularly the flexible flap portion of the outer cover, may have a free end. The free end may be configured to be attached to the case body to place the outer cover in the storage configuration. The free end may be configured to be separated from the case body to place the outer cover in the access configuration. The attachment portion of the outer cover may be attached to the case 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 bay in the storage configuration. The loading opening of the docking bay may be uncovered in the access configuration.

[0123] A charging antenna may be provided within the flexible flap portion.

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

[0125] The outer cover may include a reinforcing layer in which the charging antenna is embedded. The reinforcing layer may be embedded in the outer cover. The reinforcing layer may locally modify the stiffness of the outer cover to prevent or minimize bending of the charging antenna. The reinforcing layer may help prevent damage to the charging antenna, and in particular to prevent 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 may be embedded in the outer cover. The stack of layers may include a reinforcing layer facing the case body, a charging antenna on top of the reinforcing layer, and a heat dissipation layer on top of the charging antenna. The stack may have a substantially rectangular shape with rounded corners.

[0128] The stack may fit onto the side of the case body, and the side may not be curved about the axial direction.

[0129] In one embodiment, only the portions of the outer cover that are on the axial rounded side edges of the outer cover are flexible.

[0130] In addition to or as an alternative to the heat dissipation layer, the outer cover may include an energy dissipation circuit configured to dissipate energy from the charging antenna to prevent overheating of the charging antenna, and the energy dissipation circuit may 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 a charging antenna. The case body may include an antenna-connecting electrical interface. The antenna-connecting electrical interface may be configured to electrically connect to the outer cover electrical interface. The outer cover electrical interface may be configured to reversibly engage and disengage from the antenna-connecting electrical interface.

[0132] According to a fifth aspect of the present invention, there is provided a charging case for an aerosol generating device. The charging case comprises a case body and a housing portion. The case body extends along an axial direction. The case body defines a docking compartment. The docking compartment is configured to receive the aerosol generating device. The housing portion is attached to the case body. The housing portion forms at least a part of the exterior of the charging case. The housing portion comprises end cover portions. The end cover portions cover opposite ends of the case body along the axial direction. The housing portion has connecting portions terminating in the axial direction that connect the end cover portions.

[0133] The housing portion may include a metallic material. The housing portion may consist of a metallic material. The housing portion may be formed from one piece. The housing portion may be formed as one piece of metal. The metallic material may include aluminum. The material may be aluminum or an aluminum alloy.

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

[0135] The outer cover may be removably attached to the case body, and in particular, the attachment portion of the outer cover may be removably attached to the case body.

[0136] The outer cover, particularly the flexible flap portion of the outer cover, may have a free end. The free end may be configured to be attached to the case body to place the outer cover in the storage configuration. The free end may be configured to be separated from the case body to place the outer cover in the access configuration. The attachment portion of the outer cover may be attached to the case 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 bay may be uncovered in the access configuration.

[0139] The outer cover and the housing portion may be configured to together define the overall appearance of the charging case.

[0140] The outer cover may be configured to completely form the outer periphery of the charging case, except for an axial slit through which the connecting portions of the housing parts are visible.

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

[0142] According to a sixth aspect of the present invention, there is provided a charging case for an aerosol generating device. The charging case includes a case body and an outer cover. The case body may 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 percent, or at least 60 percent, or at least 70 percent, or at least 80 percent, or at least 90 percent, or at least 100 percent of the circumference of the case body.

[0143] The periphery of the case body may be about the axial direction.

[0144] According to a seventh aspect of the present invention, there is provided an aerosol generation system comprising a charging case according to any one of the first, fourth, fifth or sixth aspects of the present invention, and further comprising an aerosol generation device configured to receive the docking compartment of the charging case.

[0145] The aerosol generating device may be a handheld electrical device. The aerosol generating device may be, for example, essentially rod-shaped, or essentially stick-shaped, or essentially cylindrical. When received in the docking compartment, the main direction of extension 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 essentially perpendicular to the axial direction.

[0146] The aerosol generating device may include a device battery, which may be a rechargeable battery, and which 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 emit an aerosol when heated, and the aerosol may be for consumption by a user.

[0149] The aerosol-generating article may be essentially a stick- or rod-shaped article. The aerosol-generating article may comprise multiple segments arranged one behind the other. The segments may be cylindrical segments arranged one behind the other along their longitudinal axes. The segments may be combined with one or more wrappers wound around the segments. The segments may comprise an aerosol-generating segment. The aerosol-generating segment may include an aerosol-generating material configured to emit an aerosol upon heating. The aerosol-generating material may include tobacco. The segments 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 segments may comprise 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. One or both of the filter segment and the mouthpiece segment may protrude from the receiving cavity when the aerosol-generating article is received in the aerosol generating device.

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

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

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

[0153] Example 1: A charging case for an aerosol generating device, a case body extending along an axial direction and defining a battery compartment and a docking compartment, the docking compartment configured to receive an aerosol generating device, and the battery compartment configured to removably receive a charging case battery; a battery compartment cover that is reversibly operable between a closed state and an open state, the battery compartment cover 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. Example 2: The charging case of example 1, further comprising a charging case battery, the charging case battery being removably disposed within the battery compartment. Example 3: 3. The charging case of claim 1 or 2, wherein the battery compartment cover is attached to the case body in the closed state. Example 4: The charging case according to any one of Examples 1 to 3, wherein the battery compartment cover is attached to the case body by one or more attachment elements. Example 5: The charging case according to any one of Examples 1 to 4, wherein the battery compartment cover is detached from the case body in the open state. Example 6: A charging case described in any one of Examples 1 to 5, wherein at least 50 percent, or at least 60 percent, or at least 70 percent, or at least 80 percent, or at least 90 percent of the area of ​​the battery compartment cover is disposed above the battery replacement opening in the closed state. Example 7: 7. A charging case according to any one of Examples 1 to 6, wherein the maximum extension of the battery compartment cover beyond the closed battery replacement opening is 40 millimeters or less, or 30 millimeters or less, or 25 millimeters or less, or 20 millimeters or less, or 15 millimeters or less, or 10 millimeters or less, or 5 millimeters or less. Example 8: The charging case according to any one of Examples 1 to 7, wherein the battery compartment cover is plate-shaped. Example 9: A charging case according to any one of Examples 1 to 8, wherein the battery compartment cover has a curvature in a cross-sectional plane perpendicular to the longitudinal axis direction of the battery compartment cover, and is not curved along the longitudinal axis direction of the battery compartment cover. Example 10: The charging case according to any one of Examples 1 to 9, wherein the surface of the case body has a recessed area, and the battery compartment cover is provided in the recessed area in the closed state. Example 11: 11. The charging case of any one of Examples 1 to 10, wherein the battery compartment cover is at least essentially flush with an adjacent surface of the case body in the closed state. Example 12: A charging case according to any one of Examples 1 to 11, wherein the case body has a floor surface and a ceiling surface, and the floor surface and the ceiling surface define an extension of the battery compartment along the axial direction. Example 13: A charging case described in any one of Examples 1 to 12, wherein the case body has sides that form inner wall sections of the battery compartment over an angular extension 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 around the central axis of the battery compartment. Example 14: A charging case as described in Example 13, wherein the central axis is parallel to the axial direction. Example 15: 15. The charging case of any one of Examples 1 to 14, wherein the battery compartment is accessible through the docking compartment. Example 16: A charging case described in any one of Examples 1 to 15, 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. Example 17: 17. The charging case of any one of Examples 1 to 16, wherein the battery replacement opening is formed in a wall that defines the inner surface of the docking compartment. Example 18: 18. The charging case of any one of Examples 1 to 17, wherein a battery compartment cover separates the battery compartment from the docking compartment in the closed state. Example 19: 19. The charging case of any one of Examples 1-18, wherein a charging antenna for wirelessly charging the charging case battery is integrated into the battery compartment cover. Example 20: A charging case as described in Example 19, wherein the battery compartment cover has a battery compartment cover electrical interface electrically connected to the charging antenna, and the case body has a case body electrical interface configured to electrically connect to the charging case battery. Example 21: The charging case of Example 20, further comprising an electrical connector that electrically connects the battery compartment cover electrical interface to the case body electrical interface to supply power from the charging antenna to the charging case battery. Example 22: The charging case of Example 21, wherein the electrical connector is a flexible connector. Example 23: 23. The charging case of any one of Examples 1-22, wherein the battery compartment cover forms at least a part of the exterior of the charging case. Example 24: A charging case described in any one of Examples 1 to 23, 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. Example 25: 25. The charging case of any one of Examples 1 to 24, wherein the battery compartment cover includes or is formed of a metal material. Example 26: A charging case according to any one of Examples 1 to 25, wherein the battery compartment cover includes end portions that cover opposing ends of the case body in the axial direction. Example 27: A charging case as described in Example 26, wherein at least one of the end portions has a curved side that defines at least a portion of a side of the charging case extending around the axial direction. Example 28: 28. A charging case as described in Example 26 or 27, wherein the battery compartment cover has an axially extending cover portion connecting the end portions. Example 29: 29. The charging case of any one of Examples 1 to 28, wherein the battery compartment cover defines a cavity that receives the battery compartment when the battery compartment cover is in a closed position. Example 30: 30. The charging case of any one of Examples 1 to 29, wherein the case body is at least partially received within the battery compartment cover when the battery compartment cover is in a closed state. Example 31: The charging case of any one of Examples 1 to 30, further comprising an outer cover configured to form at least a portion of the outer surface of the charging case, the outer cover configured to cover the battery compartment cover. Example 32: A charging case as described in Example 31, wherein the outer cover is removably attached to the case body. Example 33: A charging case as described in Example 31 or 32, 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 one side of the case body. Example 34: A charging case described in any one of Examples 31 to 33, wherein the outer cover has a flexible flap portion configured to be reversibly wrapped around the case body. Example 35: A charging case described in any one of Examples 31 to 34, wherein the outer cover has a free end that is attached to the case body to place the outer cover in a storage configuration and is configured to be separated from the case body to place the outer cover in an access configuration. Example 36: 36. A charging case as described in Example 35, wherein the outer cover is configured to cover the loading opening of the docking compartment in the storage configuration. Example 37: 37. A charging case as described in example 35 or 36, wherein the loading opening of the docking compartment is not covered in the access configuration. Example 38: A charging case described in any one of Examples 31 to 37, wherein the outer cover is configured to extend around the case body over at least 50 percent, or at least 60 percent, or at least 70 percent, or at least 80 percent, or at least 90 percent, or 95 percent to 99 percent, or at least 100 percent of the circumference of the case body. Example 39: A charging case according to any one of Examples 31 to 38, wherein a charging antenna for wirelessly charging the charging case battery is incorporated into the outer cover. Example 40: A charging case as described in Example 39, wherein the outer cover includes a reinforcing layer in which the charging antenna is integrated into the outer cover. Example 41: A charging case as described in Example 39 or 40, wherein the outer cover has an outer cover electrical interface electrically connected to a charging antenna, and the case body has an antenna connection electrical interface configured to electrically connect to the outer cover electrical interface. Example 42: The charging case according to any one of Examples 1 to 41, further comprising a housing portion attached to the case body, the housing portion forming at least a part of the appearance of the charging case. Example 43: A charging case as described in Example 42, wherein the housing portion has end cover portions that cover opposite ends of the case body in the axial direction. Example 44: A charging case as described in Example 43, wherein at least one of the end cover portions has a side that defines at least a portion of the side of the charging case extending around the axial direction, and the side is curved. Example 45: A charging case as described in Example 43 or 44, further comprising a display provided within a display receiving cavity of at least one of the end cover portions. Example 46: 46. ​​A charging case according to any one of Examples 43 to 45, wherein the housing portion has an axially extending connecting portion that connects the end cover portion. Example 47: The charging case according to any one of Examples 42 to 46, wherein the housing portion comprises a metal material. Example 48: 1. A method for replacing a battery in a charging case for an aerosol generating device, comprising: a) removing a battery compartment cover from a case body of the charging case, thereby exposing a battery replacement opening of a 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; d) reattaching the battery compartment cover to the case body to close the battery compartment. Example 49: 49. The method of example 48, wherein removing the battery compartment cover from the case body includes disengaging one or more attachment elements that secure the battery compartment cover to the case body. Example 50: The method of example 48 or 49, wherein at least one of the battery compartment cover and the charging case battery is removed through a loading opening configured to insert the aerosol generating device into the docking compartment of the charging case. Example 51: 51. The method of any one of Examples 48-50, further comprising removing the outer cover of the charging case from the case body to expose the battery compartment cover. Example 52: 52. The method of any one of Examples 48 to 51, wherein removing the outer cover of the charging case includes resisting the magnetic attractive force holding the outer cover to the case body. Example 53: 53. The method of any one of examples 48-52, wherein removing the battery compartment cover from the case body comprises removing the case body from the cavity of the battery compartment cover. Example 54: Use of an outer cover to cover a removable battery compartment cover of a charging case for an aerosol generating device. Example 55: The use of example 54, wherein the outer cover defines the exterior of the charging case around the entire circumference of the charging case around the axial direction. Example 56: 56. The use of example 54 or 55, wherein the outer cover is removably attached to the case body defining the battery compartment. Example 57: A use described in any one of Examples 54 to 56, wherein the outer cover has a flexible flap portion for covering the loading opening of the docking space of the charging case, and the docking space is configured to receive the aerosol generating device to be charged. Example 58: The use of any one of Examples 54 to 57, wherein the outer cover comprises a rigid cover portion, the rigid cover portion covering the battery compartment cover. Example 59: A charging case for an aerosol generating device, a case body extending axially and defining a docking compartment configured to receive an aerosol generating device; Charging case battery and an outer cover configured to form at least a portion of an outer surface of the charging case; A charging case with a charging antenna built into the outer cover for wirelessly charging the charging case battery. Example 60: A charging case as described in Example 59, wherein the outer cover is removably attached to the case body. Example 61: A charging case as described in Example 59 or 60, wherein the outer cover has a flexible flap portion configured to be reversibly wrapped around the case body. Example 62: A charging case described in any one of Examples 59 to 61, wherein the outer cover has a free end that is attached to the case body to place the outer cover in a storage configuration and is configured to be separated from the case body to place the outer cover in an access configuration. Example 63: A charging case as described in Example 62, wherein the outer cover is configured to cover the loading opening of the docking compartment in the storage configuration. Example 64: A charging case as described in Example 62 or 63, wherein the loading opening of the docking compartment is not covered in the access configuration. Example 65: A charging case according to any one of Examples 59 to 64, wherein the outer cover includes a reinforcing layer through which the charging antenna is incorporated into the outer cover. Example 66: A charging case described in any one of Examples 59 to 65, wherein the outer cover is provided with an energy dissipation electrical circuit configured to dissipate energy from the charging antenna to prevent overheating of the charging antenna. Example 67: A charging case described in any one of Examples 59 to 66, wherein the outer cover has an outer cover electrical interface electrically connected to a charging antenna, and the case body has an antenna connection electrical interface configured to electrically connect to the outer cover electrical interface. Example 68: A charging case for an aerosol generating device, a case body extending axially and defining a docking compartment configured to receive an aerosol generating device; a housing portion attached to the case body, the housing portion forming at least a part of the exterior of the charging case; The housing portion includes end cover portions that cover opposite ends of the case body along the axial direction, A charging case, wherein the housing portion has an axially extending connecting portion that connects the end cover portion. Example 69: A charging case as described in Example 68, wherein the housing portion comprises a metal material. Example 70: A charging case as described in Example 68 or 69, further comprising an outer cover having a flexible flap portion configured to be reversibly wrapped around the case body in a winding direction around the axial direction. Example 71: A charging case as described in Example 70, wherein the outer cover is removably attached to the case body. Example 72: A charging case as described in Example 70 or 71, wherein the outer cover has a free end that is configured to be attached to the case body to place the outer cover in a storage configuration and to be separated from the case body to place the outer cover in an access configuration. Example 73: A charging case as described in Example 72, wherein the outer cover is configured to cover the loading opening of the docking compartment in the storage configuration. Example 74: A charging case as described in Example 72 or 73, wherein the loading opening of the docking compartment is not covered in the access configuration. Example 75: A charging case described in any one of Examples 70 to 74, wherein the outer cover and the housing portion are configured to together define the overall appearance of the charging case. Example 76: A charging case described in any one of Examples 70 to 75, wherein the outer cover is configured to completely form the outer surface of the charging case, except for an axial slit through which the connection portion of the housing portion is visible. Example 77: A charging case for an aerosol generating device, a case body extending axially and defining a docking compartment configured to receive an aerosol generating device; an outer cover attached to the case body and including a flexible flap portion configured to reversibly wrap around the case body in a wrapping direction about an axial direction; A charging case, wherein the outer cover is configured to extend around the case body over at least 50 percent, or at least 60 percent, or at least 70 percent, or at least 80 percent, or at least 90 percent, or at least 100 percent of the circumference of the case body. Example 78: 1. An aerosol generating system comprising: A charging case according to any one of Examples 1 to 47 or 59 to 77; an aerosol generating device, An aerosol generation system, wherein the aerosol generating device is configured to be received within a docking compartment of the charging case.

[0154] The embodiments will now be further described with reference to the figures.

[0155] Like features are designated with like reference numerals throughout the claims. [Brief explanation of the drawings]

[0156] [Figure 1] FIG. 1 shows a schematic perspective view of an aerosol generation system according to a first embodiment. [Figure 2] FIG. 2 shows a schematic side view of the aerosol generation system according to the first embodiment in the access configuration. [Figure 3]FIG. 3 shows a schematic perspective view of the charging case of the aerosol generating system according to the first embodiment in a partially disassembled state. [Figure 4] FIG. 4 is a schematic perspective view of the case body and housing portion of the charging case of the aerosol generation system according to the first embodiment. [Figure 5] FIG. 5 shows a schematic perspective view of a charging case according to a second embodiment in a partially disassembled state. [Figure 6] FIG. 6 shows a perspective view of a charging case according to a third embodiment in an access configuration. [Figure 7] FIG. 7 shows a schematic cross-sectional view of a charging case according to a third embodiment without showing the outer cover. [Figure 8] FIG. 8 shows a schematic perspective view of a charging case according to a third embodiment without showing the outer cover in a partially disassembled state. [Figure 9] FIG. 9 shows a schematic perspective view of a charging case according to the fourth embodiment in a partially disassembled state. [Figure 10] FIG. 10 shows a schematic perspective view of a charging case according to the fifth embodiment in a partially disassembled state. DETAILED DESCRIPTION OF THE INVENTION

[0157] FIG. 1 shows an aerosol generation system 1 according to a first embodiment. The aerosol generation system 1 comprises an aerosol generation device 3. The aerosol generation 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 generation device 3 comprises a receiving cavity 5 for receiving the aerosol-generating article. The aerosol generation device 3 further comprises a heater 7 for heating the aerosol-generating article, in particular the aerosol-generating segment of the aerosol-generating article. The heater 7 may comprise, for example, a resistive heater element or an induction heating assembly configured to heat the aerosol-generating segment of the aerosol-generating article. The aerosol generation device 3 further comprises a rechargeable device battery 9 for powering one or more functions of the aerosol generation device 3. For example, the device battery 9 may power the heater 7.

[0158] The aerosol generation system 1 further includes 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.

[0159] The charging case 11 includes an outer cover 19. In Figure 1, the charging case 11 is shown with the outer cover 19 in a retracted or closed configuration. Figure 2 shows the charging case 11 with the outer cover 19 in an access or open configuration.

[0160] As shown in FIG. 2 , the charging case 11 further includes 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 may store or insert the aerosol generating device 3 into the docking compartment 25 of the charging case 11, for example, between uses. The case body 23 may be removably insertable into the housing portion 49 and may include electronics for charging the battery 9 and electronics for charging the battery 27.

[0161] The charging case 11 includes a charging case battery 27. The charging case battery 27 is in electrical contact with an electrical battery interface 29 of the charging case 11. The electrical battery interface 29 is electrically connected to an electrical device interface 31 provided in the docking compartment 25, for example, via an electronic circuit 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 enable charging of the device battery 9 with electrical energy available from the charging case battery 27. Therefore, the device battery 9 can be recharged between uses while stored in the docking compartment 25.

[0162] 3, the charging case battery 27 is received within a battery compartment 33 defined by the case body 23. The case body 23 has a top surface 35 and a floor surface 37 that bounds the battery compartment 33 along the axial direction 13.

[0163] Additionally, the case body 23 has a sidewall 39 extending along the axial direction 13 between a top surface 35 and a floor surface 37. The top surface 35, the floor surface 37, and the side surface 39 together define a battery compartment 33. The battery compartment 33 has a battery replacement opening 41 through which a charging case battery 27 may be inserted into or removed from the battery compartment 33. The battery compartment 33 may include additional features to aid in removal of the charging case battery 27, such as a ribbon or strip of fabric that can be partially wrapped around the inserted charging case battery 27 so that the inserted charging case battery 27 can be pulled out with the ribbon or strip. Generally, the battery compartment 33 and corresponding compartment cover 43 described herein are configured to allow a user to easily remove and insert the charging case battery 27 without requiring special tools or destructive or irreversible processes, such as breaking the casing wall or severing wired connections to the battery, allowing the user to replace the charging case battery when it fails or runs out of capacity.

[0164] 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. The closed state is shown in FIG. 2. In the closed state, the battery compartment cover 43 covers the battery replacement opening 41, and therefore the charging case battery 27 in the battery compartment 33 is inaccessible for removal through the battery replacement opening 41. The open state is shown in FIG. 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 detached from the case body 23.

[0165] In a first embodiment, the battery compartment cover 43 is reversibly attachable to the case body 23 with a snap-fit ​​connection. The snap-fit ​​connection includes a structure 45 provided on the battery compartment cover 43 and a corresponding counter structure 47 provided on the case body 23. The structure 45 is configured to engage with the corresponding counter structure 47. For example, one of the structure 45 and the counter structure 47 may include a hook structure, and the other of the structure 45 and the counter structure 47 may include a recess that receives the hook structure. The hook structure may be deformable and have a tab or surface that can be engaged with a tool or a user's finger to bend the hook structure, allowing for non-destructive removal of the battery compartment cover 43 from the case body 23.

[0166] 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, Velcro-like surfaces, etc.

[0167] 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. In addition, the battery compartment cover 43 may be non-curved along the axial direction 13. For example, as shown in FIG. 3 , the curvature of the battery compartment cover 43 corresponds to the curvature of the case body 23.

[0168] As best shown in FIGS. 3 and 4 , the charging case 11 includes a housing portion 49 attached to the case body 23. The housing portion 49 may be a unitary metal structure. The housing portion 49 may form at least a portion of the exterior of the charging case 11. The housing portion 49 includes end cover portions 51 that form end faces of the charging case 11 with respect to the axial direction 13. The end cover portions 51 extend essentially perpendicular to the axial direction 13. Each end cover portion 51 includes an end face 53 that is visible when the charging case 11 is viewed along the axial direction 13 or the opposite direction. Furthermore, each end cover portion 51 includes a side surface 55 that is visible when the charging case 11 is viewed in a viewing direction perpendicular to the axial direction 13. The side surface 55 may 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 may be formed as rounded, smooth surfaces. In a cross-sectional plane parallel to the axial direction 13, the side surface 55 of the end cover portion 51 is curved. The housing part 49 may also include a connecting part 59 extending parallel to the axial direction 13 and connecting the end cover parts 51 to one another. For example, the housing part 49 including the connecting part 59 together with the two end cover parts 51 may be made of a single aluminum or aluminum alloy cast element, forming a frame for holding the case body 23, which may be located between the two end cover parts 51.

[0169] As shown in FIG. 1 , the display 57 may be received within a receiving cavity in at least one end cover portion 51. In particular, the receiving cavity may be provided in a side surface 55 of the end cover portion 51. The display 57 may also be curved. The curvature of the display 57 may be the same as the curvature of the side surface 55 of the end cover portion 51. The display 57 may be flush with the surface of the end cover portion 51. The display 57 may indicate, for example, the charge status of the charging case battery 27 or the device battery 9, and may be able to display other information related to the operational status of the aerosol generation system 1. In a variation shown by the dashed lines in FIG. 1 , for example, the display 57 may be disposed in the center of the end cover portion 51, forming a curved display screen, and a substantial area of ​​one of the end cover portions 51 may be covered by the display 57, such that a small peripheral boundary created by the end cover portion 51 or the entire end cover portion 51 is covered by the display 57. The display 57 may have an elliptical shape or a longitudinal shape with two curved side edges. The display 57 may comprise a curved high resolution screen.

[0170] The outer cover 19 may be removably attached to the case body 23. Figure 3 shows the outer cover 19 removed from the case body 23. The outer cover 19 includes a connecting portion 61 that is removably attached to the case body 23. The connecting portion 61 of the outer cover 19 is preferably attachable to the case body 23 by magnetic interaction. A magnet 63 is provided on the case body 23 and magnetically interacts with a corresponding magnet 65 provided on the connecting portion 61 of the outer cover 19. Alternatively, the magnet 63 on the case body 23 or the magnet 65 on the outer cover 19 may be replaced with a metal structure that is susceptible to magnetic interaction.

[0171] 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 may extend parallel to the axial direction 13. The flexible flap portion 21 is configured to reversibly wrap around the case body 23, while the outer cover 19 is attached to the case body 23 at a connecting portion 61. The free end 67 of the flexible flap portion 21 is provided with a latch portion 69. The latch portion 69 is configured to reversibly attach to the case body 23. The latch portion 69 preferably includes a magnet integrated into or attached to the outer cover 19. The free end 67 may be attached to the case body 23 to place the outer cover 19 in a storage configuration. The storage configuration is shown in FIG. 1. In the storage configuration, the outer cover 19 covers a loading opening 68 of the docking compartment 25. The outer cover 19 may be placed in the access configuration by separating the free end 67 of the flexible flap portion 21 from the case body 23 and by bending or moving the flexible flap portion 21 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 for removing the aerosol generating device 3 from the docking compartment 25.

[0172] As shown in FIG. 3 , 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 case body 3 that is not curved around the axial direction 13. A layer stack 73 can be incorporated into the rigid portion 71 of the outer cover 19. The layer stack 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, with 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, reducing the risk of the outer cover 19 or the wireless charging antenna 75 being damaged by excessive heat generated by the wireless charging antenna 75, especially when the outer cover 19 is detached from the case body 23.

[0173] The connecting portion 61 of the outer cover 19 may be provided with an outer cover electrical interface 77. The outer cover electrical interface 77 may be electrically connected to a charging antenna 75 for electrical interconnection and operability with the case body 23. The case body 23 includes an antenna-connecting electrical interface 79. When the outer cover 19 is attached to the case body 23, the outer cover electrical interface 77 electrically connects to the antenna-connecting electrical interface 79. In combination with an appropriate wireless charging station, the wireless charging antenna 75 may charge the charging case battery 27.

[0174] 3, the outer cover 19 may include a second flexible flap portion 84. The second flexible flap portion 84 may be provided between the connecting portion 61 and the rigid cover portion 71. The rigid cover portion 71 may be provided between the flexible flap portion 21 and the second flexible flap portion 84.

[0175] 5 shows a charging case 11 according to a second embodiment. The principle concept of the charging case 11 according to the second embodiment is similar to the concept of the charging case 11 of the first embodiment. Therefore, a description of the same or similar aspects will be omitted, and the description will focus on the differences from the first embodiment.

[0176] In the second embodiment, the battery compartment cover 43 is reversibly attachable to the case body 23 by external attachment elements 80, for example in the form of screws.

[0177] In the closed position, the battery compartment cover 43 is received within the recessed area 81 of the case body 23. Thus, in the closed position, the battery compartment cover 43 is flush with the adjacent surfaces of the case body 23.

[0178] In the outer cover 19, according to the second embodiment, the magnet 65 and the connection portion 61 with the outer cover electrical interface 77 are provided between the flexible flap portion 21 and the rigid portion 71. The rigid portion 71 is curved along the curvature of the case body 23. When the outer cover 19 is attached to the case body 23, the rigid portion 71 is above the charging case cover 43.

[0179] In the second embodiment, the outer cover 19 does not extend around the entire circumference of the charging case 11 in the stored configuration. Rather, the connecting portion 59 of the housing portion 49 is at least partially visible. The appearance of the charging case 11 around the axial direction 13 is formed by the outer cover 19 and the connecting portion 59 of the housing portion 49 together.

[0180] 6 to 8 show a charging case 11 according to a third embodiment. The basic concept of the charging case 11 according to the third embodiment is similar to the concepts of the charging cases according to the first and second embodiments. Therefore, a description of the same or similar aspects will be omitted, and the description will focus on the differences from the first and second embodiments.

[0181] In a third embodiment, a removable portion of the inner wall of the docking compartment 25 forms a battery compartment cover 43. As shown in FIG. 8 , the battery compartment cover 43 may be removed when the aerosol generating device 3 is not inserted into the docking compartment 25. After the battery compartment cover 43 is removed, the charging case battery 27 may be removed from the battery compartment 33 through the docking compartment 25. The battery compartment cover 43 is reversibly attachable to the case body 23 using an attachment element in the form of a clip 82. The clip 82 includes two protrusions 83 that extend through corresponding openings 85 in the battery compartment cover 43 and are configured to engage with receiving structures 87 on the case body 23. In this embodiment, the battery compartment cover 43 can be hidden within the existing docking compartment 25 and is not easily visible, especially when the aerosol generating device 3 is inserted, thereby minimizing the impact on the design of the removable battery arrangement.

[0182] 7, a battery compartment cover 43 separates the docking compartment 25 from the battery compartment 33. The battery compartment cover 43 may be removed through the docking compartment 25. The charging case battery 27 may be removed from the battery compartment 33 through the docking compartment 25.

[0183] 9 shows a charging case 11 according to a fourth embodiment. The basic concept of the charging case 11 according to the fourth embodiment is similar to the concepts of the charging cases according to the first to third embodiments. Therefore, a description of the same or similar aspects will be omitted, and the description will focus on the differences from the first to third embodiments.

[0184] The fourth embodiment corresponds to the second embodiment shown in FIG. 5 , except that in the fourth embodiment there is a charging antenna 101 integrated into the battery compartment cover 43 to enable wireless charging of the charging case battery 27 from an external wireless charging station.

[0185] 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 electrically connected to the charging case battery 27 via the electrical battery interface 29. The charging case 11 includes an electrical connector 107 electrically connecting the battery compartment cover electrical interface 103 to the case body electrical interface 105, providing power from the charging antenna 101 integrated into 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, 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 when the battery compartment cover 43 is removed to access the charging case battery 27.

[0186] 10 shows a charging case 11 according to a fifth embodiment. The basic concept of the charging case 11 according to the fifth embodiment is similar to the concepts of the charging cases according to the first to fourth embodiments. Therefore, a description of the same or similar aspects will be omitted, and the description will focus on the differences from the first to fourth embodiments.

[0187] Similar to 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 that receives a charging case battery 27. The case body 23 has a top surface 35 and a floor surface 37 that separates the battery compartment 33 along the axial direction 13.

[0188] 10 shows the charging case 11 with the battery compartment cover 43 in an open position, with the battery replacement opening 41 of the battery compartment 33 accessible. Actuating the battery compartment cover 43 from a closed position to an open position 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 allow removal of the charging case battery 27 from the battery compartment 33.

[0189] To move the battery compartment cover 43 from an open state to a closed state, the case body 23 may be partially or completely inserted into the cavity 111. By inserting the case body 23 into the cavity 111, the battery compartment 33, and in particular the battery replacement opening 41 of the battery compartment 33, may be covered by the battery compartment cover 43. In the closed state of the battery compartment cover 43, the case body 23 is at least partially received within the battery compartment cover 43, and in particular within the cavity 111 of the battery compartment cover 43.

[0190] When the battery compartment cover 43 is in the closed state, the case body 23 may be fixed to the battery compartment cover 43 by a removable attachment element 121, such as a screw, extending through a threaded hole 123 in the case body 23. The charging case 11 may include a fixing element cover 125 removably disposed on the case body 23 so as to cover the attachment element 121 when the battery compartment cover 43 is in the closed state.

[0191] The battery compartment cover 43 has an end portion 113 that covers the opposite end of the case body 23 in the axial direction 13 when the battery compartment cover 43 is closed. The end portion 113 forms part of the exterior of the charging case 11. The end portion 113 may have a curved side that defines at least a portion of the side of the charging case 11 that extends around the axial direction 13. The battery compartment cover 43 further has an axially extending cover portion 115 that connects the end portion 113. The axially extending cover portion 115 is curved around the axial direction 13.

[0192] In the fifth embodiment, the battery compartment cover 43 forms most of the exterior of the charging case 11.

[0193] The battery compartment cover 43 may include a user interface 117 to facilitate user interaction with the charging case 11. The user interface 117 may include, for example, a display or push buttons. The battery compartment cover 43 may include a data port 119 to enable data transmission between an external device and the charging case 111. The data port 119 may include, for example, a USB port, in particular a USB-C port. The user interface 117 and / or the data port 119 may be connected to the case body 23 by, for example, a flexible connector 127.

[0194] For purposes of this specification and the appended claims, unless otherwise indicated, all numbers expressing amounts, quantities, percentages, and the like are understood to be modified in all instances by the term "about." Also, all ranges include the disclosed maximum and minimum points, and include any intermediate ranges therein, which may or may not be specifically recited herein. Accordingly, in this context, the number A is understood as A ± 10 percent. Within this context, the number A may be considered to include a numerical value that is within the typical standard error for measurement of the property that the number A modifies. In some instances, as used in the appended claims, the number A may deviate by the percentages recited above, provided that the amount by which A deviates does not materially affect the basic and novel characteristics of the claimed invention. Also, all ranges include the disclosed maximum and minimum points, and include any intermediate ranges therein, which may or may not be specifically recited herein.

Claims

1. A charging case for an aerosol generating device, a case body extending along an axial direction and defining a battery compartment and a docking compartment, the docking compartment configured to receive an aerosol generating device, and the battery compartment configured to removably receive a charging case battery; a battery compartment cover reversibly operable between a closed state and an open state, the battery compartment cover 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; an outer cover configured to form at least a portion of an outer surface of the charging case and to cover the battery compartment cover; A charging case, wherein the outer cover includes a flexible flap portion configured to be reversibly wrapped around the case body.

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

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

4. 4. The charging case of claim 1, wherein the battery compartment is accessible through the docking compartment.

5. The charging case according to any one of claims 1 to 4, wherein the battery replacement opening is formed in a wall that defines an inner surface of the docking compartment.

6. The charging case of any one of claims 1 to 5, wherein the battery compartment cover separates the battery compartment from the docking compartment in the closed state.

7. The charging case according to any one of claims 1 to 6, wherein the outer cover is removably attached to the case body.

8. The charging case according to any one of claims 1 to 7, wherein the outer cover is configured to be wrapped 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.

9. The charging case according to any one of claims 1 to 8, wherein a charging antenna for wirelessly charging the charging case battery is integrated into the outer cover.

10. 10. The charging case of claim 1, 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 claims 1 to 10, wherein the battery compartment cover defines a cavity that receives the battery compartment in the closed state of the battery compartment cover.

12. A charging case as described in any one of claims 1 to 11, further comprising a housing portion attached to the case body, the housing portion forming at least a part of the appearance of the charging case, and the housing portion comprising an end cover portion covering an opposite end of the case body in the axial direction.

13. 1. 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, the outer cover including a flexible flap portion configured to be reversibly wrapped around the case body; b) removing the battery compartment cover from the case body, thereby exposing a battery replacement opening of a 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; d) reattaching the battery compartment cover to the case 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 to cover a removable battery compartment cover of a charging case for an aerosol generating device, wherein the outer cover has a flexible flap portion for covering a loading opening of a docking space of the charging case, and the docking space is configured to receive an aerosol generating device to be charged.

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