Temperature compensated pressure control

Details Temperature compensated pressure control Temperature compensated pressure control

1978-09-11

1981-05-12

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Plural switch

200834, 337307, H01H 3534

Patent

active

042674131

ABSTRACT:
A temperature compensated pressure control device comprising switch means for supplying pressure to a pressurized zone to maintain a predetermined pressure therein, a first diaphragm responsive to depletion of the pressure in said pressurized zone to effect actuation of the switch means to supply the required pressure, a second diaphragm operable to predispose the first diaphragm for a change in temperature in said pressurized zone and sensing means for transmitting the change in temperature to said second diaphragm.

REFERENCES:
patent: 2752457 (1956-06-01), Matthews
patent: 3046369 (1962-07-01), Hicks
patent: 3363072 (1968-01-01), Moody
patent: 3882439 (1975-05-01), Wolfe
patent: 4057699 (1977-11-01), Reis

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