Combustion – With indicator or inspection means – Correlated with action of condition responsive burner control
Patent
1977-05-17
1979-03-06
Dority, Jr., Carroll B.
Combustion
With indicator or inspection means
Correlated with action of condition responsive burner control
431 22, 431 48, 431 89, F23N 524
Patent
active
041428510
ABSTRACT:
The present invention is an apparatus for preventing gas leakage from gas burning equipment, which comprises an electromagnetic valve which normally closes the gas passage near the gas supplying source, a gas pressure detector for measuring the gas pressure in the gas passage to detect a defect in the piping, at least one gas burning system having electrical circuits for detecting gas leakage other than that caused by defects in the piping, and a control panel for receiving all of the detection results to control the actuation of the electromagnetic valve and to issue an alarm signal, whereby the gas supply is interrupted when nonburning gas escapes from at least one piece of gas burning equipment which is in use and the alarm signal based on a fault or defect in the piping is issued when the gas escapes during a time that all of the gas burning equipment is kept in a non-use condition.
REFERENCES:
patent: 2120053 (1938-06-01), Fehrehbach
patent: 2800176 (1957-07-01), Morrison
patent: 3744954 (1973-07-01), Faulkner
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