Electronic smoking article
First Claim
Patent Images
1. An electronic vaping device comprising:
- a housing defining an air channel and a liquid supply region configured to hold a liquid material, the housing including an outer tube and an inner tube within the outer tube, the inner tube defining the air channel, the outer tube and the inner tube defining the liquid supply region in between; and
an integral heater-wick element configured to transfer the liquid material from the liquid supply region to the air channel via capillary action, the integral heater-wick element formed of at least two layers of electrically resistive mesh material and including a heatable portion and a wicking portion, the wicking portion extending into the liquid supply region and circumferentially around the inner tube, the heatable portion of the integral heater-wick element disposed in the air channel and configured to vaporize the liquid material.
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Abstract
An electronic smoking article includes a liquid supply region including liquid material and a heater-wick element operable to wick liquid material and heat the liquid material to a temperature sufficient to vaporize the liquid material and form an aerosol. The heater-wick element comprises two or more layers of electrically resistive mesh material.
27 Citations
18 Claims
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1. An electronic vaping device comprising:
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a housing defining an air channel and a liquid supply region configured to hold a liquid material, the housing including an outer tube and an inner tube within the outer tube, the inner tube defining the air channel, the outer tube and the inner tube defining the liquid supply region in between; and an integral heater-wick element configured to transfer the liquid material from the liquid supply region to the air channel via capillary action, the integral heater-wick element formed of at least two layers of electrically resistive mesh material and including a heatable portion and a wicking portion, the wicking portion extending into the liquid supply region and circumferentially around the inner tube, the heatable portion of the integral heater-wick element disposed in the air channel and configured to vaporize the liquid material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An electronic vaping device comprising:
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a housing defining an air channel and a liquid supply region configured to hold a liquid material, the housing including an outer tube and an inner tube within the outer tube, the inner tube defining the air channel, the outer tube and the inner tube defining the liquid supply region in between; and an integral heater-wick element configured to transfer the liquid material from the liquid supply region to the air channel via capillary action, the integral heater-wick element formed of at least two layers of electrically resistive mesh material and including a heatable portion and a wicking portion, the wicking portion being in fluidic communication with the liquid supply region and extending circumferentially around the inner tube, the heatable portion of the integral heater-wick element disposed in the air channel and configured to vaporize the liquid material.
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Specification