Electric resistance heating devices – Heating devices – Convection space heater
Patent
1995-10-13
1997-08-05
Leung, Philip H.
Electric resistance heating devices
Heating devices
Convection space heater
392368, 392374, F24D 1502, F24F 104, F24H 304
Patent
active
056550553
ABSTRACT:
A portable forced air space heater having a three hundred sixty degree peripheral dispersion pattern. The heater has a tubular housing and a fan forcing air past a heating element upwardly within the housing. The air encounters a conical deflector which redirects the air to flow outwardly at the top of the housing. One or more movable baffles are selectively placed in the housing so as to obstruct discharge of air at various selected sections of the peripheral pattern of discharge. This feature prevents injurious or otherwise objectionable discharge of heat when the heater is placed close to another object. The baffles are arcuate, so that they cooperate with the tubular housing, and insulated to minimize propogation of heat to the obstructed portion of the discharge pattern. Baffles are removable from the heater, and are maneuvered for adjusting their position from outside the heater.
REFERENCES:
patent: 1705812 (1929-03-01), Fisher
patent: 1706515 (1929-03-01), Barber
patent: 1749039 (1930-03-01), Lincecum
patent: 1903219 (1933-03-01), Landis
patent: 2583754 (1952-01-01), Theisen
patent: 2712053 (1955-06-01), Gallay
patent: 3669428 (1972-06-01), Jones
patent: 4593179 (1986-06-01), Schulz et al.
patent: 4602146 (1986-07-01), Barns et al.
patent: 5157757 (1992-10-01), McDougall
Goldstein Andrew
Kula Lawrence M.
Dang T. T.
Holmes Products Corp.
Leung Philip H.
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