Pressure and temperature-responsive control means

Details Pressure and temperature-responsive control means Pressure and temperature-responsive control means

1975-11-13

1976-09-21

Schwadron, Martin P.

Fluid handling

Destructible or deformable element controlled

Heat destructible or fusible

1225041, 137554, 251 68, 337300, 337408, F16K 1738

Patent

active

039813169

ABSTRACT:
Actuator means of the pressure- and/or temperature-responsive type are disclosed for controlling valve means which supply pressure fluid (such as a combustible gas) to a load (such as a gas-fired boiler), characterized in that the actuator means are operable (1) when the boiler pressure exceeds a given limit, (2) when the boiler temperature exceeds a given limit, or (3) when the temperature a given region external of the boiler exceeds a given limit. The valve means is normally in an open condition, said actuator means being operable to close the valve means when at least one of the aforementioned limits is exceeded.

REFERENCES:
patent: 2778917 (1957-01-01), Sullivan
patent: 2871317 (1959-01-01), Sullivan
patent: 3140721 (1964-07-01), Sullivan
patent: 3227144 (1966-01-01), Sigl

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