Pressure actuated continuous switch

Details Pressure actuated continuous switch Pressure actuated continuous switch

1976-04-07

1977-11-29

Tolin, Gerald P.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200153C, 200153S, 200 86R, H01H 314, H01H 954

Patent

active

040607054

ABSTRACT:
A pressure actuated continuous switch in the form of a cable having two coaxial wires, which form the contacts of the switch, separated by a helically wound strip of insulating material. The pitch of the turns of the helical material determines the sensitivity of the switch. In a preferred form of the switch, a layer of semiconductive material is interposed between the insulating material and the other conductor.

REFERENCES:
patent: 2132685 (1938-10-01), Hampton
patent: 2799756 (1957-07-01), Graham
patent: 3509360 (1970-04-01), Miller
patent: 3732384 (1973-05-01), Fischel
patent: 3794790 (1974-02-01), Leyland

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