Cartridge for an aerosol-generating system and an aerosol-generating system comprising a cartridge

• US 10,645,973 B2
• Filed: 12/21/2016
• Issued: 05/12/2020
• Est. Priority Date: 12/22/2015
• Status: Active Grant

• Current Assignee: Philip Morris Products SA (Philip Morris Limited)
• Original Assignee: Philip Morris Products SA (Philip Morris Limited)
• Inventors: Silvestrini, Patrick Charles, Waller, Judith
• Primary Examiner(s): Yaary, Eric
• Application Number:
  US15/544,886
• Publication Number:
  US 20180014573A1
• Time in Patent Office: 1,238 Days
• Field of Search: None
• CPC Class Codes: A24F 40/10 Devices using liquid inhalable precursors
• CPC Class Codes: A24F 40/30 Devices using two or more structurally separated inhalable precursors, e.g. using two liquid precursors in two cartridges
• CPC Class Codes: A24F 40/42 Cartridges or containers for inhalable precursors
• CPC Class Codes: H05B 6/108 for heating a fluid

Abstract

A cartridge for an aerosol-generating system is provided, including an elongate first compartment having a length L₁, a width W₁, and a height H₁, the first compartment having a first air inlet and a first air outlet and containing a nicotine source; and an elongate second compartment having a length L₂, a width W₂, and a height H₂, and having a second air inlet and a second air outlet and containing an acid source. The first and second compartments are arranged in parallel within the cartridge and ratios of L₁ to W₁ and L₂ to W₂ are between about 2:1 and about 4:1, and ratios of L₁ to H₁ and L₂ to H₂ are at least about 6:1. An aerosol-generating system is also provided, including the cartridge; and an aerosol-generating device including a housing defining a cavity configured to receive at least a portion of the cartridge.

Claims

1. A cartridge for an aerosol-generating system, the cartridge comprising:

an elongate first compartment having a length L₁, a width W₁, and a height H₁, the first compartment having a first air inlet and a first air outlet and containing a nicotine source;

an elongate second compartment having a length L₂, a width W₂, and a height H₂, the second compartment having a second air inlet and a second air outlet and containing an acid source; and

a cavity disposed between the first compartment and the second compartment, the cavity configured to receive a heater configured to heat the first compartment and the second compartment,

wherein the first compartment and the second compartment are arranged in parallel within the cartridge, and

wherein ratios L₁;

W₁ and L₂;

W₂ are between about 2;

1 and about 4;

1, and ratios L₁;

H₁ and L₂;

H₂ are between about 8;

1 and about 16;

1.

2. The cartridge according to claim 1, wherein L₁ and L₂ are between about 8 millimeters and about 40 millimeters, W₁ and W₂ are between about 4 millimeters and about 6 millimeters, and H₁ and H₂ are between about 0.5 millimeters and about 2.5 millimeters.

3. The cartridge according to claim 1, wherein the first compartment further comprises a flavourant.

4. The cartridge according to claim 1, further comprising a third compartment disposed in fluid communication with the first air outlet of the first compartment and the second air outlet of the second compartment.

5. The cartridge according to claim 1, wherein the nicotine source comprises a first carrier material impregnated with between about 1 milligram and about 40 milligrams of nicotine.

6. The cartridge according to claim 1, wherein the acid source comprises a carboxylic acid.

7. The cartridge according to claim 6, wherein the acid source comprises a second carrier material impregnated with between about 2 milligrams and about 60 milligrams of lactic acid.

8. The cartridge according to claim 1, wherein the first air inlet and the first air outlet of the first compartment, and the second air inlet and the second air outlet of the second compartment, are sealed by one or more removable or frangible barriers.

9. The cartridge according to claim 1, further comprising a heater disposed in the cavity between the first compartment and the second compartment, wherein the heater is configured to heat the first compartment and the second compartment.

14. The cartridge according to claim 1, wherein

the cavity has a height H₃ and a width W₃,

ratios H₁:

H₃ and H₂;

H₃ are between about 1;

1 and about 1.7;

1, and

ratios W₁;

W₃ and W₂;

W₃ are between about 4.3;

6.3 and about 5;

6.

15. The cartridge according to claim 1, wherein

the cavity has a height H₃ and a width W₃, and

a ratio H₃:

W₃ is between about 1;

6 and about 1;

6.3.

16. The cartridge according to claim 1, wherein

the cavity has a length L₃, and

L₃ is substantially the same as L₁ and L₂.

17. The cartridge according to claim 14, wherein

the cavity has a length L₃, and

L₃ is substantially the same as L₁ and L₂.

10. An aerosol-generating system, comprising:

a cartridge comprising;

an elongate first compartment having a length L₁, a width W₁, and a height H₁, the first compartment having a first air inlet and a first air outlet and containing a nicotine source,

an elongate second compartment having a length L₂, a width W₂, and a height H₂, the second compartment having a second air inlet and a second air outlet and containing an acid source, and

a cavity disposed between the first compartment and the second compartment, the cavity configured to receive a heater configured to heat the first compartment and the second compartment,

wherein the first compartment and the second compartment are arranged in parallel within the cartridge, and

wherein ratios L₁;

W₁ and L₂;

W₂ are between about 2;

1 and about 4;

1, and ratios L₁;

H₁ and L₂;

H₂ are between about 8;

1 and about 16;

1; and

an aerosol-generating device comprising;

a housing defining a cavity configured to receive at least a portion of the cartridge, and

a heater configured to heat the first compartment and the second compartment of the cartridge.

11. The aerosol-generating system according to claim 10,

wherein the heater is disposed within the cavity of the aerosol-generating device, and

wherein the cavity disposed between the first compartment and the second compartment of the cartridge is configured to receive the heater.

12. The aerosol-generating system according to claim 10, wherein the cartridge further comprises a susceptor disposed in the cavity between the first compartment and the second compartment, and the heater comprises an inductive heater surrounding at least a portion of the cavity of the aerosol-generating device.

13. An aerosol-generating system, comprising:

a cartridge comprising;

an elongate first compartment having a length L₁, a width W₁, and a height H₁, the first compartment having a first air inlet and a first air outlet and containing a nicotine source,

an elongate second compartment having a length L₂, a width W₂, and a height H₂, the second compartment having a second air inlet and a second air outlet and containing an acid source,

a cavity disposed between the first compartment and the second compartment, and

a heater disposed in the cavity between the first compartment and the second compartment, the heater configured to heat the first compartment and the second compartment,

wherein the first compartment and the second compartment are arranged in parallel within the cartridge, and

wherein ratios L₁;

W₁ and L₂;

W₂ are between about 2;

1 and about 4;

1, and ratios L₁;

H₁ and L₂;

H₂ are between about 8;

1 and about 16;

1; and

an aerosol-generating device comprising;

a housing defining a cavity configured to receive at least a portion of the cartridge, and

a power supply configured to supply power to the heater of the cartridge.