Adjustable pressure-type switch

Details Adjustable pressure-type switch Adjustable pressure-type switch

1988-03-31

1989-05-02

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Piston

200294, 200339, H01H 3538

Patent

active

048270938

ABSTRACT:
A pressure switch has a plunger, axially displaceable by the pressure being measured, which enables a contact pin of a microswitch to be actuated. Between the plunger and the contact pin there is arranged a rocker. The microswitch is fastened to the housing of the pressure switch so as to be displaceable in the main extension direction of the rocker. This provides a way to vary the step-up ratio between the plunger motion and the contact-pin motion, whereby the magnitude of the hysteresis of the pressure switch can be varied.

REFERENCES:
patent: 3449535 (1969-06-01), Otto
patent: 3937912 (1976-02-01), Martin

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