An aerosol-generating device comprising a detachable housing portion

Abstract

An aerosol-generating device is provided, including: a housing including a first housing portion defining a chamber configured to receive an aerosol-forming substrate; a second housing portion configured for removable attachment to the first housing portion, the chamber defining a cavity configured to receive an aerosol-generating article, the first housing portion defining an opening at an end of the cavity, and the opening being positioned at a first end of the first housing portion; an electric heater positioned within the first housing portion; a power supply positioned within the second housing portion; and a controller positioned within the first housing portion, the controller being configured to control a supply of power from the power supply to the electric heater when the second housing portion is attached to the first housing portion.

1 .- 15 . (canceled) 
     
     
         16 . An aerosol-generating device, comprising:
 a housing comprising a first housing portion defining a chamber configured to receive an aerosol-forming substrate;   a second housing portion configured for removable attachment to the first housing portion,   wherein the chamber defines a cavity configured to receive an aerosol-generating article,   wherein the first housing portion defines an opening at an end of the cavity, and   wherein the opening is positioned at a first end of the first housing portion;   an electric heater positioned within the first housing portion;   a power supply positioned within the second housing portion; and   a controller positioned within the first housing portion, wherein the controller is configured to control a supply of power from the power supply to the electric heater when the second housing portion is attached to the first housing portion.   
     
     
         17 . The aerosol-generating device according to  claim 16 , wherein the housing further comprises an interface configured to attach the second housing portion to the first housing portion. 
     
     
         18 . The aerosol-generating device according to  claim 17 , wherein the interface comprises a slot arranged to receive at least a part of the first housing portion or at least a part of the second housing portion. 
     
     
         19 . The aerosol-generating device according to  claim 17 , wherein the interface comprises a latching element arranged to retain the second housing portion in releasable attachment with the first housing portion. 
     
     
         20 . The aerosol-generating device according to  claim 19 , wherein the interface further comprises a release element arranged to disengage the latching element. 
     
     
         21 . The aerosol-generating device according to  claim 17 ,
 wherein the interface comprises a first magnetic element on the first housing portion and a second magnetic element on the second housing portion, and   wherein the second magnetic element is arranged to engage the first magnetic element when the second housing portion is attached to the first housing portion.   
     
     
         22 . The aerosol-generating device according to  claim 16 ,
 wherein the first housing portion comprises a second end opposite the first end, and   wherein the second housing portion is further configured for removable attachment to the second end of the first housing portion.   
     
     
         23 . The aerosol-generating device according to  claim 16 ,
 wherein the first housing portion comprises a second end opposite the first end and at least one sidewall extending between the first end and the second end, and   wherein the second housing portion is further configured for removable attachment to the at least one sidewall.   
     
     
         24 . The aerosol-generating device according to  claim 16 ,
 further comprising a first electrical contact positioned on the first housing portion and a second electrical contact positioned on the second housing portion, and   wherein the second electrical contact is configured to engage the first electrical contact when the second housing portion is attached to the first housing portion.   
     
     
         25 . The aerosol-generating device according to  claim 24 , wherein the controller is further configured to control the supply of power from the power supply to the electric heater via the first electrical contact and the second electrical contact when the second housing portion is attached to the first housing portion. 
     
     
         26 . The aerosol-generating device according to  claim 16 ,
 wherein the power supply is a rechargeable power supply, and   wherein the aerosol-generating device further comprises a charging circuit positioned within the second housing portion and configured to control a supply of power received from an external device for recharging the power supply.   
     
     
         27 . The aerosol-generating device according to  claim 16 ,
 wherein the power supply is a first power supply, and   wherein the aerosol-generating device further comprises a third housing portion configured for removable attachment to the first housing portion and a second power supply positioned within the third housing portion.   
     
     
         28 . The aerosol-generating device according to  claim 27 , wherein the housing further comprises an interface configured to:
 attach the second housing portion to the first housing portion, and   attach the third housing portion to the first housing portion.   
     
     
         29 . The aerosol-generating device according to  claim 27 ,
 wherein the first power supply has a first electrical charge storage capacity,   wherein the second power supply has a second electrical charge storage capacity, and   wherein the first electrical charge storage capacity is different from the second electrical charge storage capacity.   
     
     
         30 . The aerosol-generating device according to  claim 29 , wherein a ratio of the first electrical charge storage capacity to the second electrical charge storage capacity is between 1.5 and 3. 
     
     
         31 . The aerosol-generating device according to  claim 29 , wherein a ratio of the first electrical charge storage capacity to the second electrical charge storage capacity is between 1.5 and 2.5. 
     
     
         32 . The aerosol-generating device according to  claim 29 , wherein a ratio of the first electrical charge storage capacity to the second electrical charge storage capacity is between 1.7 and 2.3. 
     
     
         33 . The aerosol-generating device according to  claim 27 , wherein the second housing portion has a different size from the third housing portion.