Control device and method of making the same

Details Control device and method of making the same Control device and method of making the same

1975-04-07

1976-11-02

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

200 83S, 91 1, 73407R, H01H 3534

Patent

active

039899101

ABSTRACT:
A control device having an actuator housing and a differential pressure responsive housing secured together so that a certain change in differential pressure in the pressure housing will cause a movable part thereof to move to a new certain position thereof and cause a lever arrangement in the actuator housing to operate an actuator therein. An actuating pin extends between the housings and has opposed ends respectively engaging the movable part of the pressure housing and the lever arrangement of the actuator housing to translate movement therebetween, the ends of the pin not being attached to the movable part and lever arrangement. A tubular bearing means is secured to the pressure housing and telescopically receives the actuating pin therethrough, the tubular bearing member being in fluid communication with the pressure housing so as to provide a fluid bearing for the actuating pin.

REFERENCES:
patent: 2339847 (1944-01-01), Ellison
patent: 2500457 (1950-03-01), Hess
patent: 2790044 (1957-04-01), Booth
patent: 3005887 (1961-10-01), Robson
patent: 3007017 (1961-10-01), Dwyer
patent: 3573409 (1971-04-01), Jeffrey
patent: 3852547 (1974-12-01), Dietz

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