F - Mech Eng,Light,Heat,Weapons – 24 – H
Patent
F - Mech Eng,Light,Heat,Weapons
24
H
F24H 3/04 (2006.01) F04D 19/00 (2006.01)
Patent
CA 2155482
A portable electric fan-heater including a base; a housing mounted on the base and defining an inlet opening and an outlet opening; a fan blade rotatably mounted in the housing and operable to produce air flow between the inlet and outlet openings; an electric motor supported by the housing and operatively coupled to the fan blade, and a resistive heater mounted in the housing between the inlet and outlet openings. Also included is a control circuit electrically connected to provide energization of the electric motor and the resistive heater; the control circuit having a switching system for selectively and independently energizing the electric motor to produce for the fan blade a plurality of different rotational speeds including maximum and minimum speeds and for simultaneously energizing both the electric motor and the resistive heater and a response circuit means for automatically producing for the fan blade a rotational speed less than the maximum speed in response to energization of the resistive heater. The switching system and response circuit insure optimum performance when the fan-heater is operating in either a heating or cooling mode.
Chiu Bernard
Wang Jui-Shang
Honeywell Consumer Products Inc.
Riches Mckenzie & Herbert Llp
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