Sealed cartridge for an aerosol delivery device and related assembly method

• US 9,955,726 B2
• Filed: 05/23/2014
• Issued: 05/01/2018
• Est. Priority Date: 05/23/2014
• Status: Active Grant

• Current Assignee: RAI STRATEGIC HOLDINGS, INC. (British American Tobacco PLC)
• Original Assignee: RAI STRATEGIC HOLDINGS, INC. (British American Tobacco PLC)
• Inventors: Brinkley, Paul Andrew, Flinchum, Jr., Jack Gray, Nestor, Timothy Brian, Dooly, Grady Lance, Alderman, Steven Lee, Ampolini, Frederic Philippe, DePiano, John, Smith, David, Silveira, Frank S.
• Primary Examiner(s): Yaary, Eric
• Application Number:
  US14/286,552
• Publication Number:
  US 20150335071A1
• Time in Patent Office: 1,439 Days
• CPC Class Codes: A24F 40/10 Devices using liquid inhalable precursors
• CPC Class Codes: A24F 40/42 Cartridges or containers for inhalable precursors
• CPC Class Codes: A24F 40/50 Control or monitoring
• CPC Class Codes: A61M 11/042 electrical
• CPC Class Codes: A61M 15/06 Inhaling appliances shaped like cigars, cigarettes or pipes
• CPC Class Codes: A61M 2205/505 Touch-screens; Virtual keyboard or keypads; Virtual buttons; Soft keys; Mouse touches
• CPC Class Codes: A61M 2205/581 by audible feedback
• CPC Class Codes: A61M 2205/583 by visual feedback
• CPC Class Codes: F22B 1/284 with water in reservoirs
• CPC Class Codes: H05B 1/0297 Heating of fluids for non specified applications
• CPC Class Codes: H05B 3/40 Heating elements having the shape of rods or tubes H05B3/62, H05B3/68, H05B3/78 take precedence

Abstract

The present disclosure relates to an aerosol delivery device. The aerosol delivery device may include a control body and a cartridge. The cartridge may include a base, a flow director, an outer body, a reservoir substrate, an outer body, and a mouthpiece. Heating elements may be molded into the flow director. The flow director may be welded to the base and the outer body, or the base and the flow director may include deformable ribs that engage the outer body. The flow director and the outer body may cooperatively define a reservoir compartment in which the reservoir substrate and the atomizer are received. The flow director and the base may define an electronics compartment in which an electronic control component is received. A related assembly method is also provided.

Claims

1. A cartridge for an aerosol delivery device, comprising:

an outer body;

a flow director coupled to the outer body,

a base coupled to the flow director;

an atomizer received within the outer body;

wherein the flow director and the outer body define a reservoir compartment including a reservoir substrate and the flow director and the base define an electronics compartment;

wherein the flow director defines a recess, the recess defining a channel between the flow director and the reservoir substrate.

2. The cartridge of claim 1, wherein the reservoir substrate is partially wrapped around the flow director such that a gap is defined between first and second ends thereof.

3. The cartridge of claim 1, wherein the reservoir substrate is at least partially wrapped about the flow director and engaged with a plurality of protrusions defined by the flow director and extending therefrom.

4. The cartridge of claim 1, further comprising at least one heating terminal molded into the flow director and extending to a connector end of the base.

5. The cartridge of claim 1, further comprising an electronic control component positioned within the electronics compartment and a control component terminal extending from the electronic control component to a connector end of the base.

6. The cartridge of claim 1, wherein the base defines a deformable rib configured to seal against an inner surface of the outer body.

7. The cartridge of claim 1, wherein the flow director defines a deformable rib configured to seal against an inner surface of the outer body.

8. The cartridge of claim 1, wherein the flow director is welded to one or both of the outer body and the base.

9. The cartridge of claim 1, further comprising a one-way valve configured to resist flow of air from the flow director through the base.

10. The cartridge of claim 9, wherein the one-way valve is selected from a group consisting of a flap valve and a cross-valve.

11. The cartridge of claim 9, wherein the one-way valve is positioned in the electronics compartment.

12. The cartridge of claim 1, further comprising a mouthpiece coupled to the outer body at an end thereof opposite from the base.

13. The cartridge of claim 12, wherein the mouthpiece defines an extension configured to reduce an empty volume within the outer body.

14. The cartridge of claim 12, wherein a spacer is positioned between the mouthpiece and the atomizer, the spacer being configured to reduce an empty volume within the outer body.

15. The cartridge of claim 12, wherein the mouthpiece comprises a lip defining a channel, the lip and the channel extending around an aperture defined through the mouthpiece.

31. The cartridge of claim 1, wherein the flow director is configured to direct a flow of air to the atomizer.

32. The cartridge of claim 31, wherein the flow of air is received from a control body coupled to the cartridge.

16. A method for assembling a cartridge for an aerosol delivery device, the method comprising:

coupling a base to a flow director such that the flow director and the base define an electronics compartment;

positioning an atomizer within an outer body;

coupling the outer body to the flow director such that the outer body and the flow director define a reservoir compartment;

wrapping a reservoir substrate configured to store an aerosol precursor composition at least partially about the flow director; and

positioning the reservoir substrate within the reservoir compartment;

wherein wrapping the reservoir substrate at least partially about the flow director comprises forming a channel between the flow director and the reservoir substrate at a cutout defined in the flow director.

17. The method of claim 16, wherein wrapping the reservoir substrate at least partially about the flow director comprises engaging the reservoir substrate with a plurality of protrusions defined by the flow director and extending therefrom.

18. The method of claim 16, wherein wrapping the reservoir substrate at least partially about the flow director comprises wrapping the reservoir substrate partially about the flow director such that a gap is defined between first and second ends thereof.

19. The method of claim 16, further comprising filling the reservoir substrate with the aerosol precursor composition by directing the aerosol precursor composition into at least one of a gap between first and second ends of the reservoir substrate and a channel between the flow director and the reservoir substrate at a cutout defined in the flow director.

20. The method of claim 16, further comprising molding at least one heating terminal into the flow director.

21. The method of claim 16, further comprising positioning an electronic control component in the electronics compartment;

and

connecting a control component terminal to the electronic control component.

22. The method of claim 16, wherein coupling the outer body to the flow director comprises deforming a deformable rib of the flow director against an inner surface of the outer body.

23. The method of claim 16, wherein coupling the outer body to the flow director comprises welding the outer body to the flow director.

24. The method of claim 16, further comprising coupling the outer body to the base,

wherein coupling the outer body to the base comprises deforming a deformable rib of the base against an inner surface of the outer body.

25. The method of claim 16, wherein coupling the base to the flow director comprises welding the base to the flow director.

26. The method of claim 16, further comprising coupling a one-way valve to the base, the one-way valve being configured to resist flow of air from the flow director through the base.

27. A cartridge for an aerosol delivery device, comprising:

an outer body;

an atomizer at least partially received within the outer body;

a flow director at least partially received within the outer body; and

a plurality of heating terminals coupled to the atomizer and extending at least partially though the flow director;

wherein the flow director defines a recess, the recess defining a channel between the flow director and a reservoir substrate.

28. The cartridge of claim 27, wherein the heating terminals are molded into the flow director.

29. The cartridge of claim 27, further comprising a base, wherein the base is coupled to at least one of the outer body and the flow director.

30. The cartridge of claim 29, wherein the flow director and the outer body define a reservoir compartment including the reservoir substrate and the flow director and the base define an electronics compartment.