Pressure switch assembly

Details Pressure switch assembly Pressure switch assembly

1991-01-22

1992-10-13

Scott, J. R.

Electricity: circuit makers and breakers

Fluid pressure

Piston

260 82C, H01H 3538

Patent

active

051553104

ABSTRACT:
The present invention provides a pressure switch assembly for monitoring a source of fluid pressure. In one embodiment, the pressure switch assembly senses a variation of fluid pressure for actuation of a micro-switch to open or close an electric circuit. In another embodiment, the pressure switch assembly provides a self contained cluster of piston members which are selectively interengagable to permit a variety of pre-determined pressure ratings to act on the pressure switch assembly in response to a fluid pressure source, the cluster being manually reorganizable without adding or removing any parts to provide one valve assembly which may be responsive to a number of pre-selectable pressure ratings.

REFERENCES:
patent: 2803718 (1957-08-01), Bloom et al.
patent: 3606487 (1971-09-01), Kersting
patent: 3608977 (1971-09-01), Kersting
patent: 3737603 (1973-06-01), Kish et al.

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