Aerosol generating device with battery exhaust system

Abstract

An aerosol generating device, the aerosol generating device comprising: a housing including a nozzle end and an opposite end, the opposite end including an exhaust hole; a battery in the housing, the battery including an exhaust point on an outer surface of the battery, the exhaust point arranged so that fluid is preferentially released from the exhaust point during battery deflation; and a fluid guiding device in the housing. The fluid guiding device is configured to define a fluid flow path from the exhaust point of the battery to the exhaust hole of the housing.

Description

Technical Field

[0001] The present disclosure relates to an aerosol generating device. The present disclosure is particularly applicable to a stand-alone low-temperature portable aerosol generating device. Such a device can be heated by conduction, convection and / or radiation, rather than burning tobacco or other suitable aerosol matrix materials, to produce an aerosol for inhalation. Background Art

[0002] Over the past several years, risk reduction or modification devices, also known as vaporizers, have rapidly gained popularity and widespread use as an aid to help smokers who wish to quit traditional tobacco products such as cigarettes, cigars and roll-ups. There are various devices and systems that heat or increase the temperature of an aerosolizable substance, rather than burning the tobacco in traditional tobacco products.

[0003] A common device for reducing or modifying risk is a heated substrate aerosol generating device or a non-combustion heating device. This device generates aerosol or steam by heating an aerosol substrate that usually contains moist tobacco leaves or other suitable aerosolizable substances to a temperature usually in the range of 150°C to 300°C. Heating the aerosol substrate instead of burning releases an aerosol that contains the ingredients sought by the user but does not contain the toxic and carcinogenic byproducts of combustion. In addition, the aerosol generated by heating tobacco or other aerosolizable substances usually does not contain the burnt or bitter taste that may make the user unhappy due to combustion, so there is no need to add sugar and other additives to the substrate as usual to make smoke and / or steam more palatable to the user.

[0004] It would be desirable to provide a device having increased safety and / or reliability.

[0005] There are safety issues with some aerosol generating devices powered by certain types of batteries, which may experience leakage or gassing events, in which fluids (liquids or gases) are produced from the battery. For example, it is known that lithium-ion batteries can experience gassing events. These events may be slow or small events within the normal behavior of the battery and may not necessarily impair the function of the aerosol generating device. However, these events may also be fast events that cause high pressure and damage the device or even cause the device to explode. In addition, due to the pressure accumulation in the housing of the battery, some solid substances may be ejected. The ejected substances may come from external or internal components of the battery, such as top and bottom caps, top and bottom insulators, gaskets, steel cans, cathodes and anodes, separators, steel cans, parts of aluminum or copper foil and their coatings, jelly rolls, and electrodes. The ejected substances typically have a temperature of 400°C to 850°C or higher and may cause fires or injure users nearby. Battery self-destruction may occur during charging and discharging, and therefore may also occur during the user's use of the aerosol generating device. This is particularly dangerous if the device is held in the user's hand or close to the user's face. Additionally, the leaking or outgassing fluid may be a hazardous chemical, such as a flammable or toxic organic solvent. Summary of the invention

[0006] According to a first aspect of the present disclosure, an aerosol generating device is provided, comprising: a housing including a nozzle end and an opposite end, the opposite end including an exhaust hole; a battery within the housing, the battery including an exhaust point on an outer surface of the battery, the exhaust point arranged so that fluid is preferentially released from the exhaust point during battery deflation; a fluid guiding device within the housing. The fluid guiding device is configured to define a fluid flow path from the exhaust point of the battery to the exhaust hole of the housing.

[0007] Optionally, the vent point is located at one end of the battery, and the fluid guiding device includes an annular bracket located between the end of the battery and the shell vent hole, so that the fluid flow path is guided from the battery vent point through the annular bracket to the shell vent hole.

[0008] Optionally, the vent point is located at one end of the battery, and the device also includes a vibrator element arranged near the end of the battery; wherein the fluid guiding device includes a vibrator element support, which is configured to hold the vibrator element and guide the fluid flow path around the vibrator element from the battery vent point to the shell vent hole.

[0009] Optionally, the fluid guiding device further comprises a baffle located between the side surface of the battery and the adjacent inner surface of the shell, the baffle being used to seal the space between the battery and the shell and restrict the flow of the fluid toward the nozzle end of the shell.

[0010] Optionally, the baffle is arranged along an elongated side of the aerosol generating device towards the nozzle end.

[0011] Optionally, the baffle conforms to the shape of the battery.

[0012] Optionally, the baffle includes a concave surface facing the exhaust hole in the housing, so that the flow of fluid towards the baffle is diverted in the opposite direction to the exhaust hole.

[0013] Optionally, the fluid guiding device further comprises a guide plane arranged near the exhaust point of the battery, the guide plane being configured to divert the fluid towards the baffle.

[0014] Optionally, the aerosol generating device further comprises a vibrator element located between a side surface of the battery and an adjacent inner surface of the housing.

[0015] Optionally, the baffle is a support for the vibrator element arranged between a side surface of the battery and an adjacent inner surface of the housing.

[0016] Optionally, the vibrator element is mounted in a rubber gasket.

[0017] Optionally, the vibrator element is arranged to transmit vibrations to the housing.

[0018] Optionally, the vibrator element is configured to vibrate when the heater is initially switched on, when the heater reaches a predetermined temperature, or after the heater has been switched on for a predetermined time.

[0019] Optionally, the gasket is arranged to reduce the transfer of vibrations from the vibrator element to the battery or heater subassembly.

[0020] Optionally, the aerosol generating device further comprises an absorbent pad arranged near the exhaust point of the battery.

[0021] Optionally, the absorbent pad is annular and is arranged near a venting point of the battery.

[0022] Optionally, the fluid guiding device comprises an annular support, and the absorption pad is arranged in the annular support.

[0023] Optionally, the aerosol generating device further comprises a patch arranged over the vent on the outer surface of the housing, wherein the patch is configured to shift during battery deflation to open the vent.

[0024] Optionally, the aerosol generating device further comprises a cavity arranged in the housing near the battery venting point, the cavity being configured to receive fluid exhausted from the battery during deflation.

[0025] Optionally, the aerosol generating device further comprises a battery support frame for holding a battery, wherein the battery support frame is arranged across the internal cavity of the shell to seal the battery in a portion of the internal cavity of the shell.

[0026] Optionally, the vent includes a support element arranged across the vent, the support element being used to prevent opposite edges of the vent from closing.

[0027] Optionally, the aerosol generating device further comprises a heater subassembly, which comprises a heater and a heating chamber, the heating chamber having an opening at the nozzle end of the main body, wherein the heating chamber is arranged to receive a consumable to be heated, and the aerosol generating device further comprises a control circuit configured to control the heater to heat the heating chamber to a predetermined temperature, thereby heating the consumable and generating an aerosol.

[0028] Optionally, the aerosol generating device further comprises a first insulating sleeve configured to encapsulate a battery.

[0029] Optionally, the aerosol generating device further comprises a second thermally insulating sleeve configured to encapsulate the heater subassembly.

[0030] Optionally, the first thermal insulation sleeve and the second thermal insulation sleeve each have a thermal conductivity of 0.12 W / mK.

[0031] Optionally, the first thermal insulation sleeve and the second thermal insulation sleeve each have a wall thickness of less than 10 mm, preferably less than 5 mm.

[0032] Optionally, the first thermal insulation sleeve and the second thermal insulation sleeve respectively include any one of fiber felt and a solid porous material made of thermal ceramics.

[0033] Optionally, the aerosol generating device also includes an anti-spray device, which is configured to retain solid components sprayed from the battery when the battery enters a thermal runaway state. The anti-spray device is arranged between the battery and the shell, and includes a first material having a mechanical strength capable of retaining components sprayed from the battery.

[0034] According to a second aspect of the present disclosure, there is provided a housing for an aerosol generating device, the housing comprising a nozzle end, an opposite end comprising an exhaust hole, and a fluid guiding device within the housing. The housing is configured to receive a battery within the housing, the battery comprising an exhaust point on an outer surface of the battery, the exhaust point being arranged such that fluid is preferentially released from the exhaust point during battery deflation. The fluid guiding device is configured to define a fluid flow path from the exhaust point of the battery to the exhaust hole of the housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1A and 1BAn aerosol generating device is schematically shown;

[0036] Figure 2A , 2B 2C schematically shows the fluid flow in the aerosol generating device of the first embodiment;

[0037] Figure 3A and 3B Schematically illustrates the internal features of the aerosol generating device of the second embodiment;

[0038] Figure 4A and 4B Schematically showing features of aerosol generating devices of other embodiments;

[0039] Figures 5A to 5E Schematically showing features of aerosol generating devices of other embodiments;

[0040] Fig. 6A and 6B Schematically showing features of aerosol generating devices of other embodiments;

[0041] Figure 7 Schematically showing an opposite end of a housing of an aerosol generating device of an embodiment;

[0042] FIG8 schematically shows opposite ends of a patch and a housing of an aerosol generating device according to one embodiment;

[0043] Fig. 9 One exemplary embodiment including a thermal insulation jacket around a battery is schematically shown;

[0044] Fig.10 One exemplary embodiment including a thermal insulation jacket around a heater subassembly is schematically illustrated;

[0045] Fig.11 An exemplary embodiment including a spray preventer configured to retain solid components is schematically illustrated. DETAILED DESCRIPTION

[0046] To improve safety and reliability, aerosol generating devices may be designed on the basis of accepting the possibility of battery leakage or outgassing and designed to reduce the risk to the user associated with such an event.

[0047] The battery used in the aerosol generating device of the present invention includes a vent point on the outer surface of the battery, which is arranged so that fluid is preferentially released from the vent point during a battery gassing or leakage event. The vent point can be, for example, a weak point or hole in the housing of the battery.

[0048] Utilizing defined exhaust points, the expected exhaust position and direction of the battery is known, and the aerosol generating device can be designed according to the expected exhaust position and direction. The aerosol generating device of the present invention comprises a housing, in which the battery and the fluid guiding device are contained. The fluid guiding device is configured to define a fluid flow path from a known exhaust point of the battery to an exhaust hole in the housing. Utilizing these features, when a battery deflation or leakage event occurs, the fluid leaves the battery at the expected position of the exhaust point, flows along the fluid flow path, and escapes from the aerosol generating device through the exhaust hole in the housing. By providing such a fluid flow path and exhaust hole, the fluid is less likely to be pressurized within the housing, and the risk of explosion of the aerosol generating device is reduced.

[0049] The aerosol generating device typically has a nozzle end at which the generated aerosol will be provided to the user for consumption. The nozzle end may be close to the user's face, so it is desirable to keep any risks associated with battery leakage or deflation as far away from the nozzle end as possible. Therefore, in an embodiment of the present invention, the fluid guiding device is configured to guide the fluid to an exhaust hole provided at an end of the housing opposite to the nozzle end.

[0050] Having explained the general concept of the present invention above, specific exemplary embodiments will now be described with reference to the accompanying drawings. It should be understood that some details of the embodiments shown in the accompanying drawings are not relevant to explaining the preferred features of the present invention, and therefore, for the purpose of brevity, some features shown in the accompanying drawings are not described in detail, and, for the purpose of simplicity, some features are completely omitted in some drawings to better illustrate features related to understanding and implementing the present invention, even though the omitted features may still exist in the embodiments.

[0051] Figure 1A The aerosol generating device 1 enclosed in a housing 11 according to one embodiment is schematically shown. Figure 1A As shown, the housing of this embodiment includes an upper part and a lower part. The upper part includes an inlet device 12, where the generated aerosol is provided. In this embodiment, the inlet device is a sliding cover, but in other embodiments, the inlet device can be, for example, a fixed mouthpiece or a removable cover covering an opening. In this embodiment, the inlet device is configured to receive a disposable mouthpiece, which is provided as part of a packaged aerosol substrate (e.g., tobacco). Therefore, it should be understood that Figure 1A The upper portion of the housing 11 is shown to include the nozzle end of the housing 11, while the lower portion of the housing 11 includes the opposite end.

[0052] The opposite end of the housing 11 may include a flat surface so that when the aerosol generating device 1 is stood on the opposite end, the aerosol generating device 1 can be supported in an upright position on the surface.

[0053] Figure 1B Schematically shows Figure 1A 1. The internal features of the aerosol generating device 1 shown. In this figure, the housing 11 is made "transparent" (shown in dotted lines) to show the internal features. On the right side of the figure, the battery 13 is located in the housing, and the exhaust point 14 on the outer surface of the battery is marked. In this embodiment, the battery 13 is held by a frame 15, and the frame includes a fluid guide 16, which is configured to define a fluid flow path from the exhaust point 14 to the exhaust hole 17 in the opposite end of the housing 11.

[0054] The frame 15 may be configured as a battery support frame that is arranged across the interior cavity of the housing to seal the battery 13 in a portion of the interior cavity of the housing. Figure 1B In the embodiment, the frame 15 is arranged between the nozzle end and the opposite end along the elongation direction of the aerosol generating device 1 to divide the internal cavity of the housing 11 along at least a portion of its elongation length. The battery 13 is arranged along the elongation direction on one side of the frame 15. The frame 15 can cooperate with a mounting cap (shown in subsequent figures) to define such division of the internal cavity. The frame may include polyamide (PA) and / or polyetheretherketone (PEEK).

[0055] In addition, if Figure 1B Shown, the aerosol generating device 1 of this embodiment also comprises a heater subassembly 18.The heater subassembly 18 is arranged to be communicated with the inlet device 12.The heater subassembly comprises a heater and a heating chamber, and the heating chamber has an opening at the nozzle end of the main body.The heating chamber is arranged to receive a consumable aerosol substrate to be heated, to produce an aerosol.The packaged aerosol substrate is input into the heating chamber by the inlet device 12.The heater subassembly 18 also comprises a heater for heating the heating chamber, and this heater can for example be a film-type heater wound around the heating chamber or a blade-type heater extending into the heating chamber.In other embodiments, the heating chamber can be replaced by a heating coil, and a liquid aerosol substrate can be heated in this heating coil, to produce an aerosol, and this aerosol is provided at the inlet device 12 with a fixed suction nozzle.The heater subassembly 18 can also comprise a temperature sensor for regulating the temperature of the heating chamber.

[0056] In addition, if Figure 1B As shown, the aerosol generating device 1 of this embodiment includes a vibrator element 19. The vibrator element is arranged in the housing 11 near the inner surface of the housing and is arranged to transmit vibrations to the housing. For example, the vibrator element can be configured or controlled to vibrate when the heater is initially turned on, when the heater reaches a predetermined temperature, or after the heater has been turned on for a predetermined time. As will be further discussed below, in embodiments having a vibrator element 19, the vibrator element can be arranged in various positions, including Figure 1B As shown, it is disposed beside the battery 13 between the nozzle end and the opposite end, or disposed between the battery 13 and the opposite end of the housing 11.

[0057] Figure 2A , 2B 2C schematically illustrate a first embodiment in which the vibrator element 19 is arranged near one end of the battery 13.

[0058] like Figure 2A Schematically shown, the vent point 14 of the battery 13 is also located at the same end of the battery 13. The vibrator element holder 21 is configured to hold the vibrator element 19. In this particular embodiment, the vibrator element 19 has a circular flat shape, and the vibrator element holder 21 provides a bottom wall and side walls for the approximately cylindrical volume occupied by the vibrator element 19. The vibrator element holder 21 also has a slot in the side wall through which an electrical connection to the vibrator element 19 can be made. The vibrator element holder 21 forms part of the fluid guide 16, which is configured to guide the fluid flow path around the vibrator element 19 from the battery vent point 14 to the housing vent hole 17.

[0059] With this arrangement, fluid discharged from the battery 13 during venting is directed from the battery vent point 14 as indicated by the curved arrows, through a cavity 22 within the housing, which is adjacent to the battery vent point 14 and is configured to receive the fluid discharged from the battery during venting, and the fluid then flows out through the housing vent hole 17.

[0060] Figure 2A Also shown are fasteners 23 for removably attaching the frame 15 to the housing 11 .

[0061] Figure 2B Schematically shows Figure 2A Another view of an embodiment of the present invention, wherein the housing 11 is omitted from this view to more easily show the internal features. The location of the exhaust hole 17 of the housing is shown with a circle.

[0062] Figure 2C Schematically shows Figure 2A Another view of an embodiment of the invention in which the housing 11 is shown “transparently” (using dashed lines) to illustrate the arrangement of the cavity 22. Figure 2C The direction of flow of fluid discharged through the housing vent 17 is also shown, indicating that the fluid flows directly out of the opposite end of the device 1. By directing the fluid to flow out of the opposite end, the device 1 reduces the risk of injury to the user because, in normal use, the user's face is expected to be only near the nozzle end, and the user's hands are expected to be only around the sides of the device between the nozzle end and the opposite end, so any mechanical forces or chemical risks associated with degassing are directed away from the user's intended location.

[0063] Figure 2C Also shown is an electrical connector 24, which may be a USB connector, which is disposed at the bottom end to form an electrical connection outside the aerosol generating device 1. The electrical connector 24 is used to charge the battery 13 and / or to control the aerosol generating device 1. The electrical connector 24 is internally connected to a control circuit mounted on a PCB 25. The control circuit can be used to control the heater subassembly 18 to heat the heating chamber to a predetermined temperature, and can be powered by the battery 13. The PCB 25 forms a part of the housing of the cavity 22 together with the housing 11 and the vibrator element support 21. In other embodiments, the PCB 25 or the electrical connector 24 can be omitted. For example, the battery 13 can be removed from the aerosol generating device 1, so that the battery can be charged or replaced from the outside, and the aerosol generating device 1 does not need to provide a device for charging the battery 13.

[0064] The PCB 25 is arranged along the frame 15. The PCB 25 may also include multiple sections connected by one or more flexible portions.

[0065] Figure 3A and 3B A second embodiment is schematically shown which is similar to the first embodiment, except for what is explained differently in the following.

[0066] Please refer to Figure 3A In the second embodiment, the vibrator element 19' is arranged at a position within the aerosol generating device 1, rather than being arranged near the exhaust point 14 at the end of the battery 13. In particular, in this embodiment, the vibrator element 19' is arranged between the side surface of the battery 13 and the adjacent inner surface of the housing 11. The vibrator element 19' is also arranged along the elongated side of the device towards the nozzle end. Figure 3A As shown, the aerosol generating device 1 may include a mounting cap 31 for suspending the internal components of the aerosol generating device within the housing. In this case, the vibrator element 19' may be at least partially disposed between the side surface of the battery 13 and the mounting cap 31, as shown in FIG. Figure 3A shown.

[0067] The vibrator element 19 ′ may be connected to the PCB 25 via an end section of the PCB 25 that is folded over an end of the battery 13 that is closer to the nozzle end of the aerosol generating device 1 .

[0068] Furthermore, in the second embodiment, the vibrator element 19 may be removed so that its function is completely replaced by the vibrator element 19 ′. Figure 3BAn embodiment is shown in which the vibrator element 19 is removed and the absorbent pad 32 is arranged adjacent to the vent point 14 of the battery 13. The absorbent pad 32 can be arranged in the fluid flow path defined by the fluid guiding device. More specifically, Figure 3B In the embodiment shown, Figure 3A The vibrator element support 21 that guides the fluid flowing around the vibrator element 19 is replaced by an annular support 16, which guides the fluid from the exhaust point 14 of the battery 13 to flow through the annular support to the exhaust hole 17 in the housing 11, and an absorbent pad 32 is arranged in the annular support so that the fluid at least partially flows through the absorbent pad. This arrangement of the annular support 16 has the advantage that the fluid can flow more directly between the exhaust point 14 and the exhaust hole 17, so that the fluid can be discharged more quickly, thereby reducing the risk of sufficient pressure accumulating in the housing 11 to cause damage to the aerosol generating device 1. The absorbent pad 32 will at least partially absorb and / or slow down the fluid flowing along the fluid flow path caused by the degassing event, thereby reducing the chemical risks associated with the fluid discharged from the battery 13 and flowing out through the exhaust hole 17. The absorbent pad may, for example, include a porous material, such as a metal (e.g., aluminum) or a plastic.

[0069] Figure 3B Also shown are a number of points 33, 33' at which the cavity 22 within the housing 11 can be sealed to prevent fluid from flowing to the nozzle end. Such sealing can be achieved by providing an additional frame component adapted to fit tightly between the battery 13 and the housing 11 so that even if the internal components are suspended within the housing 11 by the mounting cap 31, fluid cannot flow around the lateral length of the exhaust point 14 and the battery 13 to the nozzle end of the aerosol generating device 1.

[0070] Go to Figure 4A and Figure 4B , which schematically shows other embodiments of the annular support 16 of other shapes.

[0071] exist Figure 4A In the embodiment, the annular support 16' comprises a complete ring at one end adjacent to the battery 13 and the exhaust point 14, and the annular support 16' extends in a direction away from the battery 13 to partially enclose a volume that is approximately cylindrical. The annular support 16' has a gap on its wall. Figure 4A As shown by the arrow in FIG. 1 , the gap allows the fluid to flow out from the most direct path between the exhaust point 14 and the exhaust hole 17, but the advantage of the annular bracket 16 'is that it can be Figure 2B The annular support 16' is constructed on the basis of the vibrator element support 21 of the first embodiment shown by removing the bottom wall of the vibrator element support 21. For example, the bottom wall can be removed by drilling through the frame material. In this embodiment, the hole for the electrical connector 24 in the housing 11 can serve as a second vent.

[0072] On the other hand, Figure 4B In the embodiment, the annular support 16" has no gaps in its wall, which completely surrounds the approximately cylindrical volume. Figure 4B As shown by the arrow in FIG. 1 , the annular support 16 ″ can more effectively guide the fluid from the discharge point 14 to the discharge hole 17 compared to the annular support 16 ′. This reduces the possibility of damaging the aerosol generating device 1 due to a rapid or large amount of deflation events.

[0073] Although in Figure 4A and Figure 4B The absorbent pad 32 as described above is omitted, but the annular supports 16 ′ and 16 ″ optionally support the absorbent pad 32.

[0074] Figure 4A and Figure 4B The comparison between also shows some features of the housing 11 of the exemplary embodiment shown in the figure. In particular, as Figure 4A As shown, there is a gap 41 between the mounting cap 31 and the housing 11. The gap is used to receive Figure 1A The snap-fit ​​attachment means of the inlet subassembly of the upper part of the housing 11 is shown. In addition, the housing 11 and the frame 15 provide a space 42 in which the heater subassembly 18 is held, so that the heater subassembly 18, the frame 15 and the battery 13 all extend along the elongated direction of the aerosol generating device 1.

[0075] In addition, if Figure 4B As shown, the vibrator element 19' may be provided with a vibrator element support 43 even when arranged in an alternative position between the side surface of the battery 13 and the adjacent inner surface of the housing 11. Figure 4B In an embodiment, the vibrator element holder 43 may be used as a sealing point 33' at one end of the sealed cavity 22 to prevent fluid from flowing to the nozzle end. In this case, the vibrator element holder 43 conforms to the shape of the battery 13. The vibrator element holder 43 may also be used as a baffle located between the side surface of the battery 13 and the adjacent inner surface of the housing 11 to seal the space of the cavity 22 between the battery 13 and the housing 11 and limit the flow of fluid to the nozzle end of the housing 11. In order to reduce the risk of vibration being transmitted from the vibrator element 19' to the battery 13, thereby reducing the risk that the vibration may excite a deflation or leakage event, the vibrator element 19' may be mounted in a rubber gasket.

[0076] In embodiments having vibrator elements 19 located at the ends of battery 13 rather than vibrator elements 19 ′ located at the sides of battery 13 , baffle 43 may still have a similar construction as vibrator element support 43 described above.

[0077] Figures 5A to 5EAlternative absorbent pads 32', 33" are shown that may be used in the second embodiment.

[0078] Figure 5A Another view of a frame 15 is schematically shown, which has an annular support 16 (which may be, for example, a Figure 4A and Figure 4B Any of the annular supports 16' and 16" shown).

[0079] from Figure 5A It can also be seen that in this embodiment, a portion of the PCB 25 extends to form a portion of the surrounding wall of the cavity 22. This portion of the PCB 25 can be a non-functional dummy PCB portion that is configured as a wall to protect the electrical connector 24 and / or other control circuits from chemical effects associated with outgassing or leakage of the battery 13.

[0080] Figure 5B An absorbent pad 32' is schematically shown configured to fit around the periphery of a substantially cylindrical volume, but having an annular shape with an unrestricted fluid flow path at the center.

[0081] Figure 5C Schematically shows the Figure 5A 1 is a cross-section of an absorbent pad 32' within an annular support 16. This illustrates how the annular support 16 together with the absorbent pad 32' defines a fluid flow path from the discharge point 14, from which the fluid flows through the absorbent pad 32' (and is at least partially absorbed by the absorbent pad 32'), and can also flow through the unrestricted area in the center of the absorbent pad 32'.

[0082] Figure 5D An absorbent pad 32' is schematically shown, which is configured to fit within and fill the approximately cylindrical volume so that there is no unrestricted fluid flow path from the discharge point 14 to the discharge hole 17, and the fluid generated by a deflation or leakage event at the discharge point 14 of the battery 13 must first flow through the absorbent pad 32' before flowing out of the aerosol generating device 1.

[0083] Figure 5E Schematically shows the Figure 5A FIG. 1 is a cross-section of an absorbent pad 32 ″ within the annular support 16 . This shows how the absorbent pad 32 ″ passes through the inner cross-section of the annular support 16 .

[0084] By comparing absorbent pad 32' and absorbent pad 32", it can be seen that absorbent pad 32' can support a higher fluid flow rate of fluid generated from vent point 14, but absorbent pad 32" can more effectively suppress the effects of short-term or small-scale degassing or leakage events, and can more effectively prevent chemical risks associated with degassing or leakage events.

[0085] Now please refer to Fig. 6A and Figure 6B , these drawings show further views of other aspects of the fluid guiding device in embodiments of the present invention.

[0086] Fig. 6A The cavity 22 between the vent point 14 and the vent hole 17 of the battery 13 in one embodiment is schematically shown. The housing 11 and vent hole 17 in this figure are made "transparent" and are shown in dotted lines to show internal features. In this embodiment, the cavity 22 is defined by the housing 11, the surface of the battery 13, the frame 15 and the vibrator element support 43. The annular support 16 also defines the cavity 22 with its inner and outer surfaces. With this arrangement, the annular support 16 acts as a fluid guide device to guide the fluid towards the vent hole 17, but in the event that the fluid is discharged from the battery 13 at a higher rate than it can be discharged through the vent hole 17, the remainder of the cavity 22 can be used to receive the fluid discharged from the battery during deflation.

[0087] The vent 17 in this embodiment is a nearly circular hole, the center of which is reinforced with two crossed support elements. These support elements are arranged across the vent to prevent the relative edges of the vent from closing. The support element helps the vent 17 to maintain its shape and resist deformation, for example, when the housing 11 is subjected to external impact. This further helps to ensure that the vent 17 can still be used to release deflation or leakage events, so that the aerosol generating device 1 continues to meet the safety requirements that are not affected by deflation or leakage events as described above. In other embodiments, the support element can be omitted, or a single support element that spans the vent in a direction with a greater risk of deformation due to external impact can be used to replace the support element.

[0088] In this embodiment, the vibrator element support 43 used as a baffle optionally includes a concave surface facing the cavity 22 and toward the exhaust hole 17 in the housing 11. The concave surface can extend between the adjacent inner surface of the battery 13 and the housing 11 to seal the gap between the outer surface of the battery 13 and the adjacent inner surface of the housing 11. With this concave surface, when the fluid flows to the vibrator element support 43 in the cavity 22, the vibrator element support 43 will act as a reverse flow device and redirect the fluid in the opposite direction to the exhaust hole 17. This concave configuration can smooth the backflow, thereby reducing the maximum force exerted on the vibrator element support 43 by the fluid generated in the deflation event, and can reduce the maximum pressure of the fluid reversed by the vibrator element support 43, thereby reducing the possibility of damaging the aerosol generating device 1, especially in the case where the fluid generated by the deflation may explode under high pressure.

[0089] Figure 6B The fluid flow in another embodiment is schematically shown. Figure 6B In the embodiment, the housing 11 is hidden so that the fluid flow is easier to see.

[0090] More specifically, in Figure 6B In the embodiment of the aerosol generating device 1, one or more guide planes 61 are arranged near the exhaust point 14. As shown by the arrows, the guide plane 61 is configured to divert the fluid from the exhaust hole 17 and flow toward the vibrator element support 43 (baffle) when the fluid flows from the exhaust point 14 to the exhaust hole 17. This arrangement increases the distance the fluid travels before reaching the exhaust hole 17, thereby reducing the speed of the fluid when passing through the exhaust hole 17. In addition, the guide plane can be flexible to help dissipate the energy of the fluid discharged from the exhaust point 14. The guide plane can be made of an elastic metal sheet, for example. Figure 6B As further shown in FIG. 4 , rather than diverting all of the fluid to the vibrator element support 43 , some of the fluid may still flow more directly to the exhaust port 17 .

[0091] The guide plane 61 can be the same as the one described above. Fig. 6A The concave configuration of the vibrator element support 43 described above is combined to further reduce the mechanical force felt by the user holding the aerosol generating device 1 during the deflation event. The guide plane 61 can also be combined with the annular support 16 to more accurately define the fluid flow path from the discharge point to the discharge hole. The guide plane 61, the vibrator element support 43, the annular support 16, the housing 11, the battery 13, the frame 15 and the PCB 25 can all constitute a part of the fluid guiding device that defines the fluid flow path.

[0092] picture Figure 4A and Figure 4B Same, Fig. 6A and Figure 6BThe illustrated embodiment may also include an absorbent pad disposed within the annular support 16 .

[0093] As a target Fig. 6A and Figure 6B As another alternative to the illustrated fluid guiding device and cavity, the annular support 16 may also be configured to extend upwardly to the housing 11 and fit flush therewith, so that the cavity 22 is completely defined within the annular support 16 between the exhaust point 14 and the exhaust hole 17 .

[0094] Now please refer to Figure 7 , in which the housing 11 of one embodiment is shown in an external view as viewed from an opposite end.

[0095] exist Figure 7 Optional shapes 17' and 17". of the exhaust hole 17 are shown. The exhaust hole 17 of a typical aerosol generating device 1 has a preferred size of 20 square millimeters so that the fluid generated by a deflation event or leakage is discharged as quickly as possible when it is generated, thereby avoiding an increase in pressure in the housing 11. The exhaust hole of this preferred size is marked as 17". However, in the event that a smaller exhaust hole (e.g., marked as 17') is required, the support element of the exhaust hole 17 described above, in addition to preventing the relative edges of the exhaust hole 17 from closing, also helps prevent the edges of the exhaust hole 17' from being pushed outward by the force of the exhaust event.

[0096] Figure 7 Other features of the opposite end are also shown. Specifically, the opposite end of the housing 11 includes a hole 23', which is adapted to receive and be retained by the fastener 23, thereby attaching the housing 11 to the frame 15. The hole 23' can be surrounded by a recessed portion of the outer surface of the housing 11, so that the fastener 23 is flush with or below the outer surface when the fastener 23 is in place.

[0097] The opposite end of the housing 11 also includes a hole 24' for providing access to the electrical connector 24. The electrical connector 24 can extend from the aerosol generating device 1 through the hole 24', or can be arranged in the housing 11 so that a corresponding external connector can be connected. Alternatively, the electrical connector 24 may include a flat contact that forms an electrical connection but does not form a mechanical connection.

[0098] Furthermore, the electrical connector 24 may be replaced with a magnetic connector, such as an inductive power transfer element. In such an embodiment, the hole 24' may be omitted.

[0099] Go to Fig. 8A and 8B , these figures show the features of the patch on the opposite end.

[0100] Please refer to Fig. 8A, which shows patch 8A before being attached to the opposite end on the outer surface of the housing 11. In this embodiment, patch 8A is adapted to fit into a recess on the opposite end of the housing 11, wherein the recess includes the vent 17, a hole 23' for the fastener 23, and a hole 24' for the electrical connector 24. Patch 81 has a corresponding hole 24' for the electrical connector 24. Patch 81 may also include product information as a convenient way to provide such information on the housing 11.

[0101] Please refer to Figure 8B When the patch is attached to the opposite end, the patch 81 is arranged so that the holes 24' and 24" are aligned with each other and the electrical connector 24 is accessible. On the other hand, the patch 81 is arranged above the exhaust hole 17 and the hole 23' for the fastener 23. By covering the fastener 23 in this way, it is more difficult for uneducated consumers to access the interior of the aerosol generating device 1, thereby improving safety. By covering the exhaust hole 17 in this way, it is also possible to protect the battery 13 and hide the passage leading to the battery 13, thereby improving However, the patch 81 is weakly attached so that when internal pressure is applied during a deflation event of the battery 13, the patch 81 separates and shifts, thereby exposing the vent 17 and allowing fluid to escape from the aerosol generating device 1. Alternatively, the patch 81 may be constructed to be sufficiently weak in the area aligned with the vent so that when internal pressure is applied during a deflation event of the battery 13, the patch 81 breaks and shifts in the area covering the vent 17 to expose the vent 17 and allow fluid to escape from the aerosol generating device 1.

[0102] Another problem addressed by the present specification is the heat dissipation from the heater subassembly 18 to the battery 13, which may further increase the temperature of the battery and, in addition to the self-heating process, increase the risk of outgassing events. This is particularly true for non-rod-shaped devices, because in rod-shaped devices, the relative surface between the battery and the heating furnace is small because it is limited by the cross-section of the rod-shaped housing and roughly corresponds to the end face of a cylinder (the shape of the heating furnace and battery). In addition, in a rod-shaped device, the heating furnace and battery can be arranged at intervals on two opposite ends of the rod.

[0103] Please refer to Fig. 9 and 10 , both figures schematically illustrate exemplary embodiments of an aerosol generating device with a solution to overcome the heat dissipation problem of the heater subassembly 18 .

[0104] In these drawings, the aerosol generating device is a pebble-shaped device, in which the heater subassembly 18 and the battery 13 must be arranged relatively close to each other, and face each other with a large area due to the partial parallel arrangement, although not in direct contact. Therefore, compared with a rod-shaped device in which the battery and the heater subassembly are arranged end to end, the heat from the heater subassembly 18 is more easily dissipated to the battery 13. Therefore, a solution of heat insulation around the battery 13 or the heater subassembly 18 is provided.

[0105] exist Fig. 9 In the embodiment, the proposed solution is to use an insulating sleeve 50 to encapsulate the battery 13. The features of the insulating sleeve are, for example:

[0106] ·Extremely low thermal conductivity of 0.12W / mK;

[0107] The wall thickness of the insulation sleeve is between 5 mm and 10 mm;

[0108] Low volumetric mass; and

[0109] Optionally, with phase change protection.

[0110] The insulation sleeve 50 may include felt (with fibers) or a solid porous material made of thermal ceramics. In this embodiment, the insulation sleeve 50 is arranged along the inner surface of the battery compartment, and a seal is provided between the insulation sleeve and the battery to seal or cover the gap, thereby preventing the pressurized gas or liquid from flowing to the PCBA as described above. In an alternative embodiment, the insulation layer may also be arranged along the outer surface of the battery compartment.

[0111] Fig.10 An alternative is shown in which an insulating jacket 50 is disposed around the heater subassembly 18. In another embodiment, the device may have an insulating jacket enclosing the battery 13 and an insulating jacket enclosing the heater subassembly 18.

[0112] Fig.11 An exemplary embodiment is schematically shown, which includes an anti-injection device 60, which is configured to retain solid components ejected from the battery 13 when the battery 13 enters a thermal runaway state, and the anti-injection device 60 is arranged between the battery 13 and the housing 11, and includes a first material having a mechanical strength capable of retaining components ejected from the battery. The anti-injection device 60 in this embodiment can also be used as a fluid guide device as described above.

[0113] When the battery 13 enters a thermal runaway state, battery components (in Fig.11In the case of direct ejection of the battery (not shown). When the battery is in thermal runaway and vents gas, the component is ejected in a straight line from its ejection point, and its energy is particularly related to the pressure accumulation inside the battery. The ejected component will hit the ejection prevention device 60, so the ejection prevention device 60 acts as a shield or guardrail. The ejected component will be captured in the ejection prevention device 60, or lose most of its momentum, so that it is no longer dangerous or harmful to the user.

[0114] The first material may be configured to retain components expelled from the battery 13 when the battery 13 has an internal pressure of 1000 kPa (10 bar) to 3000 kPa (30 bar), preferably 2500 kPa (25 bar).

[0115] The mechanical strength of the first material may vary depending on the characteristics of the battery, the housing of the device, or the characteristics of a plurality of device components.

[0116] The first material may include a metallic material, aluminum, stainless steel, or any suitable material having a mechanical strength capable of retaining components ejected from the battery 13 .

[0117] The first material may also include plastic or polypropylene (PP).

[0118] The first material may also include a porous material, such as metal or plastic foam.

[0119] The anti-spray device 60 can include a belt, a ring or an elongated plate. For example, it can include one or more of the aforementioned structures, which can be separated or joined together as a whole.

[0120] The elongated plates may cover 50% to 80% of the surface (or diameter in the case of cylindrical cells) of the cell 50 .

[0121] The ejection prevention device 60 may also include a mesh, lattice or highly porous material, such as foam, to allow gas to be discharged therethrough while preventing direct ejection from ejection components of the battery 13. The mesh, lattice or highly porous material (e.g., foam) may include metal, plastic, or any suitable material having sufficient mechanical strength to retain components ejected from the battery. In the case where the ejection prevention device includes such a material, the pressurized gas may be discharged through the ejection prevention device and / or around the ejection prevention device.

[0122] The foam contained in the spray prevention device 60 may be, for example, a metallic foam material including an inner cavity forming an inner volume through which gas may be discharged.

[0123] The anti-spray device 60 may have a Fig.11 The U-shaped configuration shown.

[0124] The spray prevention device 60 may extend over a portion of the battery 13 , over the entire length of the battery 13 , or over an end or a corner of the battery 13 .

[0125] The ejection prevention device 60 may also be an elongated plate or strip extending on at least one side of the battery 13 .

[0126] The anti-spray device 60 may also be a cylindrical or parallelepiped housing extending over at least a portion of the battery 13 or over the entire surface of the battery.

[0127] In one embodiment, the housing 11 further comprises at least one anchoring point that allows the spray prevention device 60 to be attached and fixed to the housing 11. The at least one anchoring point is arranged in the interior space of the housing 11 and may comprise, for example, a ring, a protrusion or a recess, around which the spray prevention device 60 extends or in which it extends, and is fixed by a curved section of the spray prevention device 60 or by gluing, heat sealing, form fitting or any suitable method.

[0128] In another embodiment, the at least one anchor point is arranged on the device frame, on the device structure, on the battery, or at any suitable location on the device.

[0129] like Fig.11 As shown, the spray prevention device 60 may further include at least one opening 80 configured to discharge pressurized gas released by the battery 13 from within the spray prevention device 60 .

[0130] The at least one opening 80 may be disposed at any suitable location along the blowout preventer 60 , such as in the middle, at an end, or in between the two locations of the blowout preventer 60 .

[0131] The at least one opening 80 is sized smaller than components that may be expelled from the battery 13 if the battery enters a thermal runaway condition, but is large enough to allow gases to escape.

[0132] The at least one opening 80 may be circular or rectangular, or any different suitable geometric shape.

[0133] The surface of the at least one opening 80 may be, for example, 10 mm 2 to 120 mm 2 , preferably 30 mm 2 .

[0134] The surface of the at least one opening 80 may depend on the type, size, capacity, or chemistry of the battery 13 .

[0135] In another embodiment, the at least one opening 80 may include a combination of a plurality of smaller openings disposed on the spray preventer 60 .

[0136] The total surface area of ​​the combination of the plurality of smaller openings arranged on the spray prevention device 60 may be 10 square millimeters to 120 square millimeters, and preferably the total surface area is 30 square millimeters.

[0137] The surface area or total surface area of ​​the at least one opening 80 may vary depending on the characteristics of the battery, the housing of the device, or the characteristics of the plurality of device components.

[0138] The at least one opening 80 may be configured to exhaust pressurized gas from within the injection prevention device 60 at a predetermined gas pressure.

[0139] The at least one opening 80 may include a soft cover arranged on the opening 80, the soft cover including, for example, silicone rubber or a thin aluminum foil that deforms under a predetermined gas pressure.

[0140] The at least one opening 80 arranged on the anti-spray device 60 and the exhaust hole 17 arranged on the housing 11 may be arranged to face each other so that the gas is discharged out of the aerosol generating device 1 through the anti-spray device 60 and the housing 11 .

[0141] The at least one opening 80 disposed on the injection prevention device 60 and the discharge point 14 of the battery 13 may be arranged to face each other to facilitate gas discharge.

[0142] Definitions and Alternative Embodiments

[0143] It should be understood from the above description that many of the features of the described embodiments perform independent functions with independent benefits. Therefore, each of these independent features of the embodiments of the invention defined in the claims may be independently selected for inclusion or omission.

[0144] In the accompanying drawings, the vibrator element support 21 and the annular support 16, 16', 16" define an approximately cylindrical volume having a circular cross-section, and the absorbent pads 32, 32', 32" are configured to have similar circular cross-sections. However, this is not required, and these features may also have elliptical, polygonal, or irregular cross-sections. In addition, the absorbent pad 32' may have additional internal structure to increase the surface area of ​​the absorbent pad while also maximizing the uninhibited total cross-sectional area of ​​the fluid flow path between the vent point 14 and the vent hole 17, rather than having only an annular shape.

[0145] Where the absorbent pad is configured to provide an unrestricted path through the annular support, the path need not necessarily be in the center of the absorbent pad. For example, the outer cross-section of the absorbent pad may not conform to the inner cross-section of the annular support, and may be configured to provide a gap between the outer surface of the absorbent pad and the inner surface of the annular support. For example, the absorbent pad may be a square pad, and the annular support may have a circular cross-section, so that only the corners of the absorbent pad are in contact with the annular support.

[0146] For example, the absorbent pad 32, if present, may be attached to the frame 15 using an adhesive or a structural retaining element such as a ridge that may be disposed at one end of the annular support 16. The absorbent pad 32 may be permanently attached or may be detachable so that the absorbent pad 32 may be replaced when the absorbent pad 32 reaches the limit of its ability to absorb fluid discharged from the battery.

[0147] In the above-mentioned embodiment with an annular support, the absorbent pad is optionally arranged in the annular support. In other embodiments, the absorbent pad may also be arranged at other positions in the cavity 22, or may be arranged opposite to the exhaust hole 17 in the housing 11. In an example, an absorbent pad may be provided to fill the cavity 22.

[0148] The term "heater" is understood to refer to any device for outputting heat energy sufficient to form an aerosol from an aerosol matrix. The transfer of heat energy from the heater to the aerosol matrix can be by conduction, convection, radiation, or any combination of these modes. As a non-limiting example, a conductive heater can directly contact and press the aerosol matrix, or they can contact with independent components, such as a heating chamber, which itself heats the aerosol matrix by conduction, convection, and / or radiation.

[0149] The heater can obtain power by electricity, combustion or any other appropriate means. The electric heater may include a resistance heating element (optionally including a heat-insulating package), an induction heating system (e.g., including an electromagnet and a high-frequency oscillator), etc. The heater may be arranged around the outside of the aerosol matrix, may partially or completely penetrate into the aerosol matrix, or may adopt any combination of these forms. For example, the aerosol generating device may have a blade-type heater extending into the aerosol matrix in the heating chamber, rather than the heater of the above-described embodiment.

[0150] The term "temperature sensor" is used to describe an element capable of determining the absolute or relative temperature of a portion of the aerosol generating device 1. Such elements may include thermocouples, thermopiles, thermistors, etc. The temperature sensor may be part of another component, or may be a separate component. In some examples, more than one temperature sensor may be provided, for example, for monitoring the heating of different parts of the aerosol generating device 1, for example for determining a thermal profile. Alternatively, in some examples, no temperature sensor is included; this may be possible, for example, where a thermal profile has been reliably established and the temperature can be assumed based on the operation of the heater.

[0151] Aerosol substrate comprises tobacco, for example tobacco of drying or curing form, and in some cases also contains the additional component for seasoning or producing smoother or more pleasant experience.In some instances, vaporizer can be used to process aerosol substrate, for example tobacco.Vaporizer can improve the steam produced from aerosol substrate.For example, vaporizer can comprise polyol (for example glycerine) or glycol (for example propylene glycol).In some cases, aerosol substrate can contain tobacco, even contain nicotine, but can contain natural or artificial for seasoning, volatilization, improve smoothness and / or provide other pleasant effect composition.Aerosol substrate can be provided in the form of shredded, particle, powder, granulation, strip or sheet solid or pasty material, can be the combination of these forms alternatively.Equally, aerosol substrate can be liquid or gel.In fact, some examples can comprise solid and liquid / gel part.

[0152] Therefore, the aerosol generating device 1 can also be called a "heating tobacco device", a "non-combustion heating tobacco device", a "device for vaporizing tobacco products", etc., which can be interpreted as devices suitable for achieving these effects. The features disclosed herein are also applicable to devices designed to vaporize any aerosol substrate.

[0153] Aerosol generating device 1 can be arranged to aerosol matrix is ​​accommodated in pre-packaged matrix carrier.This matrix carrier can be roughly similar to cigarette, has tubular region, and aerosol matrix is ​​arranged in matrix carrier in a suitable manner.Filter, steam collection area, cooling zone and other structure can also be included in some designs.The skin of paper or other flexible plane material (for example foil) can also be provided, for example, for aerosol matrix is ​​kept in place, makes it more similar to cigarette etc.This matrix carrier can be fitted in heating chamber, or can be longer than heating chamber, and described lid keeps opening when aerosol generating device 1 is provided with matrix carrier thus.In such embodiment, aerosol can directly provide from matrix carrier, and this matrix carrier serves as the suction nozzle of aerosol generating device.

[0154] As used herein, the term "fluid" should be interpreted as generally describing non-solid materials that are capable of flowing, including but not limited to liquids, pastes, gels, powders, etc. "Fluidized material" should be correspondingly interpreted as a material that is essentially fluid or has been modified to behave like a fluid. Fluidization may include but is not limited to powdering, dissolving in a solvent, gelling, thickening, thinning, etc.

[0155] As used herein, the term "volatile" refers to a substance that can easily change from a solid or liquid state to a gaseous state. As a non-limiting example, a volatile substance can be a substance having a boiling point or sublimation temperature close to room temperature at ambient pressure. Accordingly, "volatilize" is understood to mean to volatilize (a material) and / or to vaporize or disperse it in a vapor.

[0156] As used herein, the term "vapor" means: (i) the form to which a liquid naturally transforms when subjected to sufficient heat; or (ii) liquid / moisture particles suspended in the atmosphere and appearing as clouds of steam / smoke; or (iii) a fluid that fills space like a gas but can be liquefied simply by pressure below its critical temperature.

[0157] Consistent with this definition, the term "vaporize" means: (i) becoming or causing to become vapor; and (ii) a particle changing physical state (ie, from a liquid or solid to a gaseous state).

[0158] As used herein, the term "atomization" means: (i) reducing (a substance, especially a liquid) into very small particles or droplets; and (ii) the particles remain in the same physical state (liquid or solid) as before atomization.

[0159] The term "aerosol" used in this article refers to a particle system dispersed in air or gas, such as mist, dense fog or smoke. Therefore, the term "aerosolization" refers to making an aerosol and / or being dispersed into an aerosol. It should be noted that the meaning of aerosol / aerosolization is consistent with the volatilization, atomization and vaporization defined above. In order to avoid doubt, aerosol is used to consistently describe the mist or droplet comprising atomized, volatilized or vaporized particles. Aerosol also includes mist or droplet comprising any combination of atomized, volatilized or vaporized particles.

Claims

1. An aerosol generating device, comprising: a housing including a nozzle end and an opposite end including an exhaust port; a battery within the housing, the battery including vent points on an exterior surface of the battery, the vent points arranged so that fluid is preferentially released from the vent points during battery gassing; A fluid guiding device within the housing is configured to define a fluid flow path from a vent point of the battery to a vent hole of the housing.

2. An aerosol generating device as described in claim 1, wherein the exhaust point is located at one end of the battery, and the fluid guiding device includes an annular bracket located between the end of the battery and the exhaust hole of the shell, so that the fluid flow path is guided from the battery exhaust point through the annular bracket to the exhaust hole of the shell.

3. The aerosol generating device of claim 1, wherein the exhaust point is located at one end of the battery, and the device further comprises: a vibrator element disposed adjacent said end of the battery; The fluid guiding device comprises a vibrator element support, which is configured to hold the vibrator element and guide the fluid flow path around the vibrator element from the battery exhaust point to the housing exhaust hole.

4. The aerosol generating device according to claim 1, wherein the fluid guiding device further comprises: A baffle is located between the side surface of the battery and the adjacent inner surface of the housing, the baffle being used to seal the space between the battery and the housing and restrict the flow of the fluid toward the nozzle end of the housing.

5. An aerosol generating device as claimed in claim 4, wherein the baffle comprises a concave surface facing the exhaust hole in the housing, so that the flow of fluid towards the baffle is diverted in the opposite direction to the exhaust hole.

6. An aerosol generating device as claimed in claim 4 or claim 5, wherein the fluid guiding device further comprises a flow guiding plane arranged near the exhaust point of the battery, the flow guiding plane being configured to divert the fluid towards the baffle.

7. An aerosol generating device as claimed in any one of claims 1 to 5, further comprising a vibrator element located between a side surface of the battery and an adjacent inner surface of the housing.

8. An aerosol generating device as claimed in claim 4 or 5, wherein the baffle is a support for a vibrator element arranged between a side surface of the battery and an adjacent inner surface of the housing.

9. An aerosol generating device as claimed in any one of claims 1 to 5, further comprising an absorbent pad.

10. An aerosol generating device as claimed in claim 9, wherein the absorbent pad is annular and is arranged near the venting point of the battery.

11. The aerosol generating device of claim 9, wherein the fluid guiding device comprises an annular support, and the absorbent pad is arranged in the annular support.

12. The aerosol generating device of any one of claims 1-5, further comprising a patch disposed over the vent on the outer surface of the housing, the patch being configured to shift during battery deflation to open the vent.

13. The aerosol generating device of any one of claims 1-5, further comprising a cavity disposed within the housing proximate a venting point of the battery, the cavity being configured to receive fluid exhausted from the battery during deflation.

14. The aerosol generating device according to any one of claims 1 to 5, further comprising a battery support frame for holding a battery, the battery support frame being arranged across the internal cavity of the housing to seal the battery in a portion of the internal cavity of the housing.

15. An aerosol generating device according to any one of claims 1 to 5, wherein the exhaust hole comprises a support element arranged across the exhaust hole, the support element being used to prevent opposite edges of the exhaust hole from closing.

16. A housing for an aerosol generating device, the housing comprising a nozzle end, an opposite end comprising an exhaust hole, and a fluid guiding device within the housing, wherein the housing is configured to receive a battery within the housing, the battery comprising vent points on an outer surface of the battery, the vent points being arranged such that fluid is preferentially released from the vent points during battery gassing; and The fluid directing device is configured to define a fluid flow path from a vent point of the battery to a vent hole of the housing.

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