Electric resistance heating devices – Heating devices – Vaporizer
Patent
1991-12-11
1993-06-15
Walberg, Teresa J.
Electric resistance heating devices
Heating devices
Vaporizer
392390, F24F 600, A61M 1600
Patent
active
052206360
ABSTRACT:
An adjustable air freshener involves a container for a scented gel which includes a heater which is integrally molded within the base of the container with a connecting plug extending outwardly for coupling to an electrical outlet. The front portion of the container includes a rotary cover with a circular configuration having a solid dividing wall on half of the circle extending downwardly to block the flow of hot air from affecting the gel which is positioned between the base and cover within the container. The other half of the cover includes a plurality of spaced apertures which are positioned opposite the heated gel to provide a predetermined scent to the room. The cover and gel may be rotated with respect to the base in predetermined increments to provide the desired scent.
REFERENCES:
patent: 3748438 (1973-07-01), Costello
patent: 3872280 (1975-03-01), Van Dalen
patent: 4588874 (1986-05-01), Napierski
Brown, W. W., "Automatic Disk Loader . . . ", IBM Tech. Disc. Bull., vol. 26, No. 6, Nov. 1983.
Chang Charles
Joel Richard A.
Walberg Teresa J.
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