Automatic stopping device of combustion fuel supply

Details Automatic stopping device of combustion fuel supply Automatic stopping device of combustion fuel supply

1982-09-14

1985-01-01

Walton, George L.

Fluid handling

Combustion failure responsive fuel safety cut-off for burners

137 66, 250554, 251 65, 431 79, F23D 1346, F16K 3108, F23N 508

Patent

active

044911424

ABSTRACT:
An automatic fuel supply stopping device incorporated in fuel combustion equipment including a shut-off valve and a combustor. The automatic fuel supply stopping device comprises a fluid intercepting mechanism interposed in a channel through which the fuel supply to the combustor is supplied. A photosensor is adapted to detect fuel combustion in the combustor by radiation emitted from a thermosensitive luminous medium. The fluid intercepting mechanism alternately takes its first stable state or passage blocking state and is changed over, in response to an output from a sensor circuit, from the passage opening state to the passage blocking state.

REFERENCES:
patent: 2388124 (1945-10-01), Crews
patent: 2408954 (1946-10-01), Ray
patent: 2418845 (1947-04-01), Long
patent: 2446718 (1948-08-01), Ray
patent: 2586249 (1952-02-01), Paille
patent: 2589573 (1952-03-01), Ray
patent: 3220463 (1965-11-01), Hocking et al.

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