Pressure responsive control unit employing snap action diaphragm

Details Pressure responsive control unit employing snap action diaphragm Pressure responsive control unit employing snap action diaphragm

1978-12-20

1980-09-02

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

92103M, 200 83S, 733783, H01H 3534

Patent

active

042208360

ABSTRACT:
A control unit is disclosed comprising a pressure transducer assembly and an attached output switch assembly. The transducer includes rigid body members clamped together and defining a chamber between them, a snap acting diaphragm extending through the chamber, and high and low pressure event controlling mechanisms for adjusting the pressure levels at which the diaphragm snap moves. A motion transfer pin extends from the transducer to the switch assembly to operate a control switch in response to diaphragm motion.

REFERENCES:
patent: 3330925 (1967-07-01), Andrew
patent: 3335242 (1967-08-01), Johnson
patent: 3588395 (1971-06-01), Hersey
patent: 3864537 (1975-02-01), Fiore

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