Pressure switch assembly
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United States of America Patent
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-
Jun 7, 1994
Issued Date -
N/A
app pub date -
Apr 3, 1992
filing date -
Jan 22, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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