Liquid flow switch

Details Liquid flow switch Liquid flow switch

1976-12-06

1978-04-18

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

200 819R, H01H 3534

Patent

active

040853055

ABSTRACT:
A liquid flow switch having straight through flow and connections on a common axis. A threaded plug with orifice is interchangable to obtain other rates of specific flow. Flow of fluids through orifice provides a differential pressure to be developed internally of a housing having a pressure responsive diaphragm. The diaphragm supports an actuating element that impinges upon an axially displacable pin extending outwardly of the housing. The pin bears against a flat spring that is flexed to close an electrical contact in dependence upon the specific flow of a liquid.

REFERENCES:
patent: 3256045 (1966-06-01), Stelzer
patent: 3773991 (1973-11-01), Krieger

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