Electronic vapor provision device
First Claim
Patent Images
1. An electronic vapor provision device comprising:
- a power cell;
a liquid store; and
a vaporizer for vaporizing liquid from the liquid store, the vaporizer comprising a heating element and a heating element support,wherein the heating element support is configured to support the heating element, the heating element support is elongated in a lengthwise direction of the electronic vapor provision device, the heating element support having a substantially cylindrical shape and comprising a substantially cylindrical support channel having a circular cross-sectional shape, internal to the heating element support, and the heating element is located in the support channel inside the heating element support, the heating element running primarily in the lengthwise direction, wherein the heating element is not supported on its inside, two or more gaps are provided between the heating element and an inner surface of the heating element support configured to facilitate the wicking of liquid onto the heating element through capillary action at the two or more gaps, the heating element has points of contact with the inner surface of the heating element support at two or more locations, and the two or more locations are angularly distributed around the inner surface of the heating element support.
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Accused Products
Abstract
An electronic vapor provision device comprising a power cell and a vaporizer, wherein the vaporizer comprises a heater and a heater support, wherein the heater is one the inside of the heater support.
47 Citations
21 Claims
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1. An electronic vapor provision device comprising:
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a power cell; a liquid store; and a vaporizer for vaporizing liquid from the liquid store, the vaporizer comprising a heating element and a heating element support, wherein the heating element support is configured to support the heating element, the heating element support is elongated in a lengthwise direction of the electronic vapor provision device, the heating element support having a substantially cylindrical shape and comprising a substantially cylindrical support channel having a circular cross-sectional shape, internal to the heating element support, and the heating element is located in the support channel inside the heating element support, the heating element running primarily in the lengthwise direction, wherein the heating element is not supported on its inside, two or more gaps are provided between the heating element and an inner surface of the heating element support configured to facilitate the wicking of liquid onto the heating element through capillary action at the two or more gaps, the heating element has points of contact with the inner surface of the heating element support at two or more locations, and the two or more locations are angularly distributed around the inner surface of the heating element support. - View Dependent Claims (2, 3, 4, 5, 6, 12, 13, 14, 15, 16, 17)
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7. An electronic vapor provision device comprising:
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a power cell; a liquid store containing substantially all of a liquid in the electronic vapor provision device for vaporization, wherein the liquid store contains a single liquid; and a vaporizer for vaporizing the single liquid from the liquid store, the vaporizer comprising a heating element and a heating element support, wherein the heating element is on an inside of the heating element support, the heating element support is configured to support the heating element, the heating element support has a substantially cylindrical shape and comprises a substantially cylindrical support channel having a circular cross-sectional shape, internal to the heating element support, and the heating element is located in the support channel inside the heating element support, the heating element running primarily in a lengthwise direction of the electronic vapor provision device, wherein the heating element is not supported on its inside, two or more gaps are provided between the heating element and an inner surface of the heating element support configured to facilitate the wicking of liquid onto the heating element through capillary action at the two or more gaps, the heating element is in contact with the heating element support at two or more locations, the heating element support comprises a first support section and a second support section, and the heating element is supported between the first support section and the second support section. - View Dependent Claims (8, 9, 10, 11)
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18. A vaporizer configured for use with an electronic vapor provision device having a power cell and a liquid store, the vaporizer configured to vaporize liquid from the liquid store, the vaporizer comprising:
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a heating element and a heating element support, wherein the heating element support is configured to support the heating element, the heating element support is elongated in a lengthwise direction of the electronic vapor provision device, the heating element support having a substantially cylindrical shape and comprising a substantially cylindrical support channel having a circular cross-sectional shape, internal to the heating element support, and the heating element is located in the support channel inside the heating element support, the heating element running primarily in the lengthwise direction, wherein the heating element is not supported on its inside, two or more gaps are provided between the heating element and an inner surface of the heating element support configured to facilitate the wicking of liquid onto the heating element through capillary action at the two or more gaps, the heating element has points of contact with the inner surface of the heating element support at two or more locations, and the two or more locations are angularly distributed around the inner surface of the heating element support.
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19. An electronic vapor provision device having an outer casing and comprising:
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a power cell; a liquid store; and a vaporizer for vaporizing liquid from the liquid store, the vaporizer comprising a heating element and a heating element support, wherein the heating element support has a substantially cylindrical cross-sectional shape and comprises a substantially cylindrical support channel having a circular cross-sectional shape, internal to the heating element support, and the heating element is located in the support channel inside of the heating element support, the heating element running primarily in a lengthwise direction of the electronic vapor provision device, wherein the heating element is not supported on its inside, two or more gaps are provided between the heating element and an inner surface of the heating element support configured to facilitate the wicking of liquid onto the heating element through capillary action at the two or more gaps, the heating element is in contact with the heating element support at two or more locations, and at least part of the heating element support extends to the outer casing to locate the heating element with respect to the outer casing. - View Dependent Claims (20, 21)
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Specification