Electricity: circuit makers and breakers – Fluid pressure – Piston
Patent
1986-08-28
1987-09-29
Tolin, G. P.
Electricity: circuit makers and breakers
Fluid pressure
Piston
200275, 200284, H01H 3538
Patent
active
046970541
ABSTRACT:
A differential pressure operated electrical switch construction is provided and has a housing carrying a pair of rigid terminals and an electrical switch for electrically interconnecting the terminals together under the control of an actuator that is responsive to differential pressure acting across the same. The terminals have free ends angled toward each other and the switch comprises a movable contact member and a spring operatively associated therewith for urging the contact member into bridging contact with the free ends of the terminals to thereby place the terminals in electrical contact with each other.
REFERENCES:
patent: 3043929 (1962-07-01), Guthrie
patent: 3621167 (1971-11-01), Burke
patent: 3924086 (1975-12-01), Ochsner
patent: 4007343 (1977-02-01), Alten
patent: 4038506 (1977-07-01), Filip
patent: 4300601 (1981-11-01), Steinberg
patent: 4319104 (1982-03-01), Decroix
patent: 4343974 (1982-08-01), Hire
patent: 4520245 (1985-05-01), Ochsner
Everett Charles J.
Ochsner Rolf H.
Robertshaw Controls Company
Tolin G. P.
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