Flow switch

Details Flow switch Flow switch

1990-01-05

1992-01-14

Scott, J. R.

Electricity: circuit makers and breakers

Fluid pressure

Flow-responsive type

200 83A, H01H 3524, H01H 3540

Patent

active

050813285

ABSTRACT:
A flow switch with a pressure sensing negative rate membrane. The membrane is designed for integral operation with a venturi element and an actuator. The membrane is a snap action device which, when a differential pressure is sensed, deflects from one position to another to operate the actuator.

REFERENCES:
patent: 2719889 (1955-10-01), Miller
patent: 3226505 (1965-12-01), Lucas et al.
patent: 3510616 (1970-05-01), DiNoia et al.
patent: 3999910 (1976-11-01), Russell et al.
patent: 4242082 (1980-12-01), Bransom et al.
patent: 4455094 (1984-06-01), Russell

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