Modulating thermostat for gas oven burner

Details Modulating thermostat for gas oven burner Modulating thermostat for gas oven burner

1998-10-28

2000-11-21

Lazarus, Ira S.

Automatic temperature and humidity regulation

Furnace controlled

Furnace controlled responsive to combustion products...

236680, F23N 100

Patent

active

061490652

ABSTRACT:
A modulating thermostat for a gas oven includes a body with supply, main and pilot passages. Feeder passages from the supply passage to the main and pilot passages provide a pilot gas flow for a pilot burner and a minimum combustion bypass flow to a main oven burner. The feeder passages are drilled along paths leading from mouths of the main and pilot passages and adjustment sleeves installed at the mouths adjust the gas flows for particular oven and fuel requirements. A temperature modulating valve assembly in the supply passage includes a valve member cooperating with a valve seat in the body to modulate gas flow and maintain an oven temperature set by rotation of a valve stem at the front of the thermostat. The thermostat is calibrated by rotating a sleeve accessible through the hollow stem at the front of the thermostat.

REFERENCES:
patent: 2245060 (1941-06-01), Waddell
patent: 3542290 (1970-11-01), Fleer
patent: 4765536 (1988-08-01), Bergquist

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