Reservoir and heater system for controllable delivery of multiple aerosolizable materials in an electronic smoking article
First Claim
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1. A smoking article comprising:
- a mouthend comprising an opening;
an air passage through at least a portion of the smoking article and terminating at the opening;
a first reservoir containing a first aerosol precursor composition component;
a second reservoir comprising a second aerosol precursor composition component;
an aerosolization zone in which the first aerosol precursor composition component and the second aerosol precursor composition component are aerosolized, the aerosolization zone being in fluid communication with the air passage;
a first transport element providing fluid communication between the first reservoir and the aerosolization zone;
a second transport element separate from the first transport element providing fluid communication between the second reservoir and the aerosolization zone;
wherein the first aerosol precursor composition component and the second aerosol precursor composition component remain substantially separated until combination in the aerosolization zone;
wherein the transportation of the first aerosol precursor composition components and the seconds aerosol precursor composition component to the aerosolization zone is normalized such that a rate of transport of the first aerosol precursor composition component differs from a rate of transport of the second aerosol precursor composition component by less than a threshold amount, wherein the threshold amount is about 15%; and
wherein the first aerosol precursor composition component and the second aerosol precursor composition component are aerosolized in the aerosolization zone when a user draws on the smoking article.
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Abstract
The present disclosure relates to an electronic smoking article that provides for improved aerosol delivery. Particularly, the article provides for separate delivery of two or more components of an aerosol precursor composition to one or more heaters so as to control the rate of delivery or the rate of heating of the separate components of the aerosol precursor composition.
320 Citations
21 Claims
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1. A smoking article comprising:
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a mouthend comprising an opening; an air passage through at least a portion of the smoking article and terminating at the opening; a first reservoir containing a first aerosol precursor composition component; a second reservoir comprising a second aerosol precursor composition component; an aerosolization zone in which the first aerosol precursor composition component and the second aerosol precursor composition component are aerosolized, the aerosolization zone being in fluid communication with the air passage; a first transport element providing fluid communication between the first reservoir and the aerosolization zone; a second transport element separate from the first transport element providing fluid communication between the second reservoir and the aerosolization zone; wherein the first aerosol precursor composition component and the second aerosol precursor composition component remain substantially separated until combination in the aerosolization zone; wherein the transportation of the first aerosol precursor composition components and the seconds aerosol precursor composition component to the aerosolization zone is normalized such that a rate of transport of the first aerosol precursor composition component differs from a rate of transport of the second aerosol precursor composition component by less than a threshold amount, wherein the threshold amount is about 15%; and wherein the first aerosol precursor composition component and the second aerosol precursor composition component are aerosolized in the aerosolization zone when a user draws on the smoking article. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification