Safety arrangement in a gas operated apparatus

Details Safety arrangement in a gas operated apparatus Safety arrangement in a gas operated apparatus

1978-09-01

1981-03-24

Ward, Jr., Robert S.

Combustion

Timer, programmer, retarder or condition responsive control

Providing repeated start attempts prior to shutdown upon...

431 45, 431 74, 431 78, 62148, F23N 502, F23N 520

Patent

active

042577586

ABSTRACT:
A safety arrangement in a gas-operated apparatus, such as an absorption refrigerator, having a safety device that controls the gas system and, when required, automatically re-ignites the flame of the gas burner that has become extinguished. The system has a thermostat that is connected to a switch for opening a gas valve when it is necessary to supply gas to the burner. A filament or igniter is also provided which is arranged adjacent to the burner and has a switch which breaks the circuit to the gas valve when a sensor or flame detector at the burner is exposed to a flame.

REFERENCES:
patent: 3295334 (1967-01-01), Hultgen
patent: 3514965 (1970-06-01), Brown
patent: 3582249 (1971-06-01), Hodgson
patent: 3920375 (1975-11-01), Sanderson et al.
patent: 3947220 (1976-03-01), Dietz
patent: 4025284 (1977-05-01), Horn et al.
patent: 4147494 (1979-04-01), Ando et al.
patent: 4168141 (1979-09-01), Saito

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