Combustion – Timer – programmer – retarder or condition responsive control – By combustion or combustion zone sensor
Patent
1987-09-25
1989-05-16
Scott, Samuel
Combustion
Timer, programmer, retarder or condition responsive control
By combustion or combustion zone sensor
431256, 431328, 126 39E, F23N 510
Patent
active
048306029
ABSTRACT:
Gas range with at least one burner covered by a glass ceramic plate, wherein the burner has a gas cock and a timed-ignition and monitoring device, such that the output of the burners is adjustable. A gas cock is used with plugs rotatable between a high and a low position with the aid of a knob and a knob shaft, with a spindle connected to the knob shaft, with a valve plate under the gas inlet opening in the plug housing, with a microswitch for the ignition device and with the use of an electromagnet under the valve plate, in the area of the gas supply connection of the further housing. The knob with the knob handle and the spindle is pressable against the action of a return spring in the high position of the plug. This way, the microswitch for the timed ignition device becomes actuatable and the valve plate becomes pressable on the electromagnet against the action of a return spring, thereby opening the combustion gas inlet opening. The monitoring device has thermoelement reaching deeply into the flame of the burner, which generates a thermal current after maximum 10 sec., feeding the electromagnet and holding the valve plate. The design of the thermoelement and of the electromagnet are such that the electromagnet releases the valve plate and interrupts the gas supply when the flame of the burner is interrupted for up to 60 sec. or for more than 60 sec.
REFERENCES:
patent: 3813207 (1974-05-01), Ramey
patent: 4147494 (1979-04-01), Ando et al.
patent: 4203779 (1980-05-01), Kojima et al.
patent: 4580550 (1986-04-01), Kristen et al.
W. German Utility Model #25517.7 (Aug. 1986) to Andrejewski et al. (commonly assigned).
Cramer GmbH & Co. Kommanditgesellschaft
Dubno Herbert
Flanigan Allen J.
Scott Samuel
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