Aerosol generating system with leakage prevention
AssigneePhilip Morris Products S.A.
InventorsMichel Thorens, Jean-Marc Flick, Olivier Yves Cochand, Flavien Dubief
Life of this patent
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Abstract
There is provided an aerosol generating system for heating a liquid aerosol-forming substrate. The system includes a liquid storage portion for storing the liquid aerosol-forming substrate, and a leakage preventer for preventing or reducing leakage of the liquid aerosol forming substrate from the liquid storage portion. The leakage preventer may include one or more of a porous plug at least partially located within the liquid storage portion, a first sealer between the liquid storage portion and a capillary wick, and a second sealer between the liquid storage portion and an electrical connector of an electric heater.
Claims11
An electrically-operated aerosol generating system for heating a liquid aerosol-forming substrate, the system comprising:
- a liquid storage portion configured to store the liquid aerosol-forming substrate;
- a capillary wick configured to convey the liquid aerosol-forming substrate from the liquid storage portion;
- an electric heater configured to heat the liquid aerosol-forming substrate;
- at least one electrical connector for the electric heater and being disposed on an outside surface of the liquid storage portion;
- a first seal disposed between the liquid storage portion and the capillary wick and being configured to prevent or reduce leakage of the liquid aerosol-forming substrate from the liquid storage portion, wherein the first seal comprises a sealing ring;
- and
- a second seal disposed between the liquid storage portion and the at least one electrical connector, wherein the second seal comprises sealing material substantially surrounding the at least one electrical connector,
- wherein the liquid storage portion comprises a casing having one or more grooves in its outside surface, and
- wherein the at least one electrical connector is an electrical connection blade connected to the electric heater and disposed along the outside of the liquid storage portion in the one or more grooves.
A cartridge for storing a liquid aerosol-forming substrate, for use with an aerosol generating system for heating the liquid aerosol-forming substrate, the cartridge comprising:
- a container configured to store the liquid aerosol-forming substrate;
- a capillary wick configured to convey the liquid aerosol-forming substrate from the container;
- an electric heater configured to heat the liquid aerosol-forming substrate, the electric heater being connectable to an electric power supply in the aerosol generating system;
- at least one electrical connector for the electric heater and being disposed on an outside surface of the container;
- a first seal disposed between the container and the capillary wick and being configured to prevent or reduce leakage of the liquid aerosol-forming substrate from the container, wherein the first seal comprises a sealing ring;
- and
- a second seal disposed between the container and the at least one electrical connector, wherein the second seal comprises sealing material substantially surrounding the at least one electrical connector,
- wherein the container comprises one or more grooves in its outside surface, and
- wherein the at least one electrical connector electrical connection blade connected to the electric heater and disposed along the outside surface of the container in the one or more grooves.
Dependencies are inferred from the claim text.