Vapor dispensing device with vent having self-regulating...

Details Vapor dispensing device with vent having self-regulating... Vapor dispensing device with vent having self-regulating...

Category

A - Human Necessities

Subcategory

61

Subsubcategory

L

IPC codes

A61L 9/12 (2006.01)

Type

Patent

Patent number

CA 2559162

Description

A vapor dispensing device for dispensing vapor into an environment is provided self-regulates vapor pressure of a reservoir with an evaporation chamber and allows lower volatile ingredients to return to the reservoir. In accordance with an exemplary embodiment of the invention, a vent is in communication between an emitter pad in the evaporation chamber of the dispensing device and the reservoir. This vent allows lower volatility ingredients to flow back into the sealed reservoir extending the useful life of the vapor dispensing device.

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