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US 11,690,965 B2Granted
Electronic vaping device with tubular heating element
AssigneeAltria Client Services LLC
InventorsTravis Martin Garthaffner, Charles L. Dendy
Life of this patent
Estimating the term…
Abstract
A cartridge of an electronic vaping device includes a reservoir configured to store a pre-vapor formulation and a heating element configured to heat the pre-vapor formulation. The heating element includes a metal tube having a first end and a second end. The metal tube defines an opening therethrough. The metal tube includes a sidewall defining at least one spiral channel extending substantially continuously along a portion of the metal tube.
Claims20
A cartridge of an electronic vaping device comprising:
- a reservoir configured to store a pre-vapor formulation;
- a heating element configured to heat the pre-vapor formulation, the heating element including,
- a metal tube having a first end and a second end, the metal tube defining an opening therethrough, the metal tube including,
- a sidewall defining a spiral channel, the spiral channel extending substantially continuously along at least a portion of the metal tube, the spiral channel including 10 to 14 turns around a circumference of the metal tube, each turn being angled 35° to 60° with respect to a longitudinal axis of the metal tube;
- and
- a wick extending through the opening in the metal tube.
3 more elements
An electronic vaping device comprising:
- a reservoir configured to store a pre-vapor formulation;
- a heating element configured to heat the pre-vapor formulation, the heating element including,
- a metal tube having a first end and a second end, the metal tube defining an opening therethrough, the metal tube including,
- a sidewall defining a spiral channel, the spiral channel extending substantially continuously along at least a portion of the metal tube, the spiral channel including 10 to 14 turns around a circumference of the metal tube, each turn being angled 35° to 60° with respect to a longitudinal axis of the metal tube;
- a wick extending through the opening in the metal tube;
- and
- a power supply configured to supply power to the heating element.
4 more elements
Dependencies are inferred from the claim text.