Electricity: circuit makers and breakers – Fluid pressure – Diaphragm
Patent
1975-07-17
1977-07-26
Tolin, Gerald P.
Electricity: circuit makers and breakers
Fluid pressure
Diaphragm
200 83N, 200 83B, 92 98R, H01H 3534
Patent
active
040385060
ABSTRACT:
An oil pressure switch comprising a housing having an inlet end connectable to an oil pressure line to admit oil from the line within the housing. A flexible membrane is secured in the housing and having opposed surfaces. One of these opposed surfaces is in contact with the oil admitted to the housing while the other of the surfaces is in engagement with a spring biased electrical contact. The spring biased electrical contact is in abutting engagement with a stationary electrical contact. Connection means is provided for each of the electrical contacts. The membrane is displaced by pressure in the oil line whereby the spring biased contact is caused to be displaced against its spring biased direction to cause disengagement with the stationary electrical contact.
REFERENCES:
patent: 2421797 (1947-06-01), Malone
patent: 2822530 (1958-02-01), Roten
patent: 2837611 (1958-06-01), Detwiler
patent: 2885860 (1959-05-01), Ray
patent: 3054871 (1962-09-01), Skay
patent: 3093716 (1963-06-01), Horowitz
patent: 3109908 (1963-11-01), Clason
patent: 3188867 (1965-06-01), Freismuth
patent: 3432633 (1969-03-01), Scherb
patent: 3553402 (1971-01-01), Hire
I.C.S. Ignition Control Systems Ltd.
Tolin Gerald P.
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