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US 10,966,464 B2Granted
Electrically heated smoking system having a liquid storage portion
AssigneePhilip Morris USA Inc.
InventorsMichel Thorens, Jean-Marc Flick, Olivier Yves Cochand
Life of this patent
Estimating the term…
Abstract
A vapor generating system includes a mouthpiece housing including an air outlet at a first side of the mouthpiece housing. The vapor generating system further includes a liquid storage portion, a filamentary wick extending into the liquid storage portion, a heating coil at least partially surrounding a portion of the filamentary wick and a chamber between the heating coil and the air outlet.
Claims16
An assembly of a vapor generating system, the assembly comprising:
- a mouthpiece housing including an air outlet at a first side of the mouthpiece housing;
- a liquid storage portion containing a liquid, the liquid storage portion coupled to the mouthpiece housing and extending outwardly from a second side of the mouthpiece housing, the first side of the mouthpiece housing and the second side of the mouthpiece housing are opposing sides of the mouthpiece housing, the liquid storage portion being made from a plastic, the liquid storage portion not having any porous materials to contain the liquid;
- an elongated filamentary wick including a first portion and a second portion, the first portion extending into the liquid storage portion;
- a heating coil at least partially surrounding the second portion of the elongated filamentary wick along a longitudinal axis of the elongated filamentary wick, the elongated filamentary wick configured to transfer the liquid from the liquid storage portion to the second portion of the elongated filamentary wick, and the heating coil configured to heat the liquid transferred to the second portion of the elongated filamentary wick and form a vapor, the elongated filamentary wick being the only capillary mechanism in the assembly to transfer the liquid, the second portion of the elongated filamentary wick being substantially linear where the heating coil surrounds the second portion of the elongated filamentary wick, the mouthpiece housing, the liquid storage portion, the elongated filamentary wick and the heating coil being parts of a single replaceable assembly, a portion of which is configured to be inserted into a shell comprising a battery configured to provide power to the heating coil;
- and
- a chamber between the heating coil and the air outlet, the chamber arranged to receive the formed vapor and guide the formed vapor to the air outlet.
3 more elements
A vapor generating system comprising:
- a mouthpiece housing including an air outlet at a first side of the mouthpiece housing;
- a liquid storage portion containing a liquid, the liquid storage portion coupled to the mouthpiece housing and extending outwardly from a second side of the mouthpiece housing, the first side of the mouthpiece housing and the second side of the mouthpiece housing are opposing sides of the mouthpiece housing, the liquid storage portion being made from a plastic, the liquid storage portion not having any porous materials to contain the liquid;
- an elongated filamentary wick including a first portion and a second portion, the first portion extending into the liquid storage portion;
- a heating coil at least partially surrounding the second portion of the elongated filamentary wick along a longitudinal axis of the elongated filamentary wick, the elongated filamentary wick configured to transfer the liquid from the liquid storage portion to the second portion of the elongated filamentary wick, and the heating coil configured to heat the liquid transferred to the second portion of the elongated filamentary wick and form a vapor, the elongated filamentary wick being the only capillary mechanism in the system to transfer the liquid, the second portion of the elongated filamentary wick being substantially linear where the heating coil surrounds the second portion of the elongated filamentary wick, the mouthpiece housing, the liquid storage portion, the elongated filamentary wick and the heating coil being parts of a single replaceable assembly, a portion of which is configured to be inserted into a shell comprising a battery configured to provide power to the heating coil;
- an air inlet configured to allow air to flow into the mouthpiece housing, the air inlet upstream of the heating coil along an air flow path, the air outlet in communication with the air inlet;
- a chamber between the heating coil and the air outlet along the air flow path, the chamber downstream of the heating coil along the air flow path, the chamber arranged to receive the formed vapor and guide the formed vapor to the air outlet;
- the battery configured to provide the power to the heating coil;
- and
- a sensor configured to detect airflow.
6 more elements
A system comprising:
- an assembly including
- a mouthpiece housing including an air outlet,
- a liquid storage portion containing a liquid, the liquid storage portion coupled to the mouthpiece housing and extending outwardly from a first side of the mouthpiece housing, the liquid storage portion being made from a plastic, the liquid storage portion not having any porous materials to contain the liquid,
- an elongated filamentary wick including a first portion and a second portion, the first portion extending into the liquid storage portion,
- a heating coil at least partially surrounding the second portion of the elongated filamentary wick along a longitudinal axis of the elongated filamentary wick, the elongated filamentary wick configured to transfer the liquid from the liquid storage portion to the second portion of the elongated filamentary wick, and the heating coil configured to heat the liquid transferred to the second portion of the elongated filamentary wick and form a vapor, the second portion of the elongated filamentary wick being substantially linear where the heating coil surrounds the second portion of the elongated filamentary wick, the elongated filamentary wick being the only capillary mechanism in the system to transfer the liquid, and the mouthpiece housing, the liquid storage portion, the elongated filamentary wick and the heating coil being parts of a single replaceable assembly, a portion of which is configured to be inserted into a shell,
- and
- a chamber in communication with the air outlet, the chamber between the heating coil and the air outlet;
- and
- the shell including
- a battery configured to provide power to the heating coil, and
- a sensor configured to detect airflow, wherein
- the chamber is arranged to receive the formed vapor and guide the formed vapor to the air outlet.
9 more elements
Dependencies are inferred from the claim text.