Electric resistance heating devices – Heating devices – Convection space heater
Patent
1990-12-04
1993-09-14
Bartis, Anthony
Electric resistance heating devices
Heating devices
Convection space heater
55467, 165125, 165126, 392363, 392364, 392368, F24H 304, F24H 902, H05B 300
Patent
active
052456927
ABSTRACT:
An electric space heater includes a hemispherical enclosure in which is positioned a blower arranged to draw air in through air inlets proximate the pole of the hemisphere for discharge through a plurality of air discharge outlets around the circumference of the enclosure. A filter between the inlets and blower filters the air and electric heating elements are provided for heating the air prior to discharge through the circumferential outlets. The enclosure is fastened to a base lying entirely within the periphery of the enclosure and supporting the blower and heating elements by a single fastener at the pole of the hemipshere with the filter captured between the enclosure and the internal parts of the heater supported on the base. The heater can be affixed to a surface by a mount attachable to the surface and having a threaded fastener engageable with a cooperating threaded member secured in a recess in the bottom of the base. The enclosure may be provided with wheels at its lower perimeter.
REFERENCES:
patent: 1798290 (1931-03-01), Winner et al.
patent: 2151140 (1939-03-01), Novak
patent: 2415621 (1947-02-01), Arnhym
patent: 2486309 (1949-10-01), McIntosh
patent: 3223828 (1965-12-01), Mast
patent: 3309846 (1967-03-01), Schneider
patent: 4034204 (1977-07-01), Windsor et al.
patent: 4146776 (1979-03-01), Johansen
patent: 4882467 (1989-11-01), Dimick
Bartis Anthony
Morrison Thomas R.
Suiden Co., Ltd.
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