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Class 431/57 - Manual reset of second burner required upon first burner extinguishment


Subclass of Class 431 - Combustion
Definition: Apparatus wherein a second burner valve means is automatically
No. of patents: 3
Last issue date: 04/20/1993


NumberTitleIssue Date
5203688Safe gas control valve for use with standing pilot
A fuel gas control valve capable of internationally acceptable operation, including a main valve operable in an on-off mode by an electromagnetic actuator that receives a signal from a conventional electric thermostat. A pilot valve is initially operated ...
04/20/1993
5193993Safe gas valve
A gas valve having a main valve closure member whose position is controlled both by a pivoting lever arrangement and a thermostatically controlled solenoid. The closure member is biased toward the lever by a spring between the closure member and the lever...
03/16/1993
4802841Operation apparatus
An apparatus which is operated for opening and maintaining the flow of a gaseous fuel to a burner only after the fuel is ignited in a gas appliance, such as a gas room heater. More specifically, the apparatus has a lever with three operating positions, a ...
02/07/1989
 
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