Hydrocarbon responsive switch

Details Hydrocarbon responsive switch Hydrocarbon responsive switch

1982-04-02

1983-11-08

Goldberg, Elliot A.

Electricity: circuit makers and breakers

Special application

Liquid or moisture responsive

200242, H01H 3534

Patent

active

044144415

ABSTRACT:
A hydrocarbon responsive switch provides an elongated flexible member which is impervious to hydrocarbon substances, a hydrocarbon absorber bonded to the elongated flexible member for absorbing hydrocarbon substances in contact therewith and for swelling from the absorbing for causing the flexible member to bend, a mounting for one end of the elongated member, a first electrical contact located at the other end of the elongated member, and a second electrical contact for contacting the first contact upon bending of the elongated flexible member and thereby making electrical connection in response to the absorption of hydrocarbon substances by the absorber.

REFERENCES:
patent: 2432367 (1947-12-01), Andresen
patent: 3073162 (1963-01-01), Ulanet
patent: 3427414 (1969-02-01), Sheldahl
patent: 3470340 (1969-09-01), Hakka
patent: 4105882 (1978-08-01), Ubling et al.

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