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Aerosol-generating system with differential heating

A generation system, aerosol technology, applied in nebulizers for treatment, application, medical equipment, etc., can solve the problems of vapor concentration difference, unfavorable delivery, etc., and achieve the effect of reducing delivery and improving formation efficiency

Active Publication Date: 2015-10-21
PHILIP MORRIS PROD SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at room temperature, the vapor pressure of pyruvate is substantially greater than that of nicotine, resulting in a difference in the vapor concentrations of the two agents
The difference between the volatile delivery-enhancing compound and the vapor concentration of nicotine in devices of the type disclosed in WO 2008 / 121610 A1, WO 2010 / 107613 A1 and WO 2011 / 034723 A1 can detrimentally lead to unreacted delivery Enhances compound vapor delivery to the user

Method used

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  • Aerosol-generating system with differential heating
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  • Aerosol-generating system with differential heating

Examples

Experimental program
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Embodiment Construction

[0169] figure 1 An aerosol-generating system comprising an aerosol-generating article 2 and an aerosol-generating device 4 according to a first embodiment of the invention is schematically shown.

[0170] The aerosol-generating article 2 has an elongated cylindrical shape and comprises a housing comprising a first compartment 6 comprising a volatile delivery compartment 6, a second compartment 8 and a third compartment 10. To enhance the source of compounds, the second compartment 8 includes a source of nicotine. like figure 1 As shown in , the first compartment 6, the second compartment 8, and the third compartment 10 are arranged consecutively and coaxially aligned within the aerosol-generating article 2. The first compartment 6 is positioned at the distal or upstream end of the aerosol-generating article 2 . The second compartment 8 is positioned immediately downstream of and adjoins the first compartment 6 . The third compartment 10 is positioned downstream of the seco...

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Abstract

An aerosol-generating system comprises an aerosol-generating article (2) and an aerosol-generating device (4). The aerosol-generating article (2) comprises: a first compartment (6) comprising a first one of a volatile delivery enhancing compound source and a medicament source; and a second compartment (8) comprising a second one of the volatile delivery enhancing compound source and the medicament source. The aerosol-generating device (4) comprises: a cavity configured to receive the first compartment (6) and the second compartment (8) of the aerosol-generating article (2); and an external heater (16, 16a, 16b) positioned about a perimeter of the cavity. The aerosol-generating device (4) is configured to heat the first compartment (6) and the second compartment (8) of the aerosol-generating article (2) so that first compartment (6) of the aerosol-generating article (2) has a lower temperature than the second compartment (8) of the aerosol-generating article (2).

Description

technical field [0001] The present invention relates to an aerosol generating system and an aerosol generating device for use in an aerosol generating system. In particular, the present invention relates to an aerosol-generating system for generating an aerosol comprising nicotine salt particles and an aerosol-generating device for use in such an aerosol-generating system. Background technique [0002] WO 2008 / 121610 A1, WO 2010 / 107613 A1 and WO 2011 / 034723 A1 disclose devices for delivering nicotine or other agents to a user, including volatile acids such as pyruvate, or Other volatile sources of delivery enhancing compounds and sources of nicotine or other pharmaceutical agents. The volatile delivery-enhancing compound reacts with the nicotine in the gas phase to form an aerosol of nicotine salt particles that is inhaled by the user. [0003] At room temperature, both pyruvate and nicotine are sufficiently volatile to form respective vapors that react with each other in ...

Claims

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Application Information

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IPC IPC(8): A24F47/00A61M15/06A24F40/10A24F40/30A24F40/42A24F40/51A24F40/57
CPCA24F47/008A61M11/042A61M11/047A61M15/0003A61M15/0035A61M15/06A61M2205/3368A61M2205/364A61M2205/3653A61M2205/8206A24F40/10A24F40/51A24F40/30A24F40/57A24F40/42A24F47/00A24F40/60A24F40/46
Inventor O·格瑞姆J·保罗竹克斯I·兹努维克E·乔努维特兹
Owner PHILIP MORRIS PROD SA
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