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US 6,275,651 B1Granted
Apparatus for emitting scents
OwnerHans Voitinventor
Life of this patent
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Abstract
A device (1) for emitting scented vapors. The device includes a storage vessel (19) in which scented solution is stored. A metering pump forces the solution into an evaporation dish (6) located above the storage vessel. The metering pump includes a tube (24) that houses a rotating spindle (25) that supplies the solution to the evaporation dish. The solution is heated by device (12) and the vapor dispersed by a fan (8).
Claims20
An apparatus for emitting scents, said apparatus comprising:
- a housing;
- a storage vessel disposed in said housing for holding scent solution;
- an upwardly directed evaporation dish disposed in said housing above said storage vessel, said evaporation dish including an electric heating device adjacent said evaporation dish for heating scent solution in said evaporation dish;
- a fan disposed in said housing above said evaporation dish for blowing evaporated solution out of said housing;
- and
- a metering pump disposed in said housing for pumping scent solution from said storage vessel into said evaporation dish, said metering pump including:
- a tube that extends from said storage vessel to said evaporation dish;
- a screw spindle rotatingly disposed in said tube that extends from said storage vessel to above said evaporation dish;
- and an electric motor attached to said screw spindle for rotating said screw spindle.
6 more elements
Dependencies are inferred from the claim text.