Electric heater circuit

Details Electric heater circuit Electric heater circuit

1989-07-03

1993-09-14

Walberg, Teresa J.

Electric resistance heating devices

Heating devices

Convection space heater

392358, H05B 102

Patent

active

052456919

ABSTRACT:
An electric heater circuit for an electric heater includes a set of heater coils for generating heat, a normally closed temperature sensitive switch for deactivating the heater coils when the temperature inside the electric heater exceeds a predetermined threshold temperature, a normally closed tilt sensitive switch for deactivating the heater coils in response to tilting movement of the electric heater beyond a predetermined amount relative to a normal upright position, a light and buzzer combination for providing signals when either the temperature sensitive switch is opened as a result of the temperature inside the electric heater exceeding the predetermined threshold temperature or the tilt sensitive switch is opened as a result of tilting movement of the heater beyond the predetermined amount relative to the normal upright position, fan and an adjustable thermostat.

REFERENCES:
patent: 4398082 (1983-08-01), Johannsen
patent: 4518847 (1985-05-01), Horst
patent: 4755653 (1988-07-01), Townsend
patent: 4844072 (1989-07-01), French

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