Electric resistance heating devices – Heating devices – Vaporizer
Patent
1998-11-09
1999-10-19
Leung, Philip H.
Electric resistance heating devices
Heating devices
Vaporizer
392386, 392390, 392394, 392395, 392403, 392405, H05B 314, F22B 128
Patent
active
059702125
ABSTRACT:
A waterless vaporizer has a casing containing a heating module that causes vapors to be emitted from a refill pad that is impregnated with menthol and eucalyptus oil by slightly heating the pad and producing a thermally induced convective air flow through the pad. A top member of a casing has a planar pad-receiving surface with holes in it on which the pad can be placed in any selected position between a "low" output and a "high" output position on the surface. A pivotable and vertically displaceable chimney member fits over the pad. The chimney member has a pad retainer/holder portion, the top wall of which provides an alternative position for the pad. A power switch and an indicator lamp facilitate use of the vaporizer. All electrical components are highly durable and fully insulated. The vaporizer is assembled without any screws or equivalent fasteners.
REFERENCES:
patent: 3872280 (1975-03-01), Van Dalen
patent: 4571485 (1986-02-01), Spector
patent: 4731520 (1988-03-01), Glucksman et al.
patent: 4853517 (1989-08-01), Bowen et al.
Instruction brochure of Juvenile Products Corp. For "Mountain Breeze" Vaporizer; (prior to 1977).
Dahbour Fadi H.
Leung Philip H.
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