Pinch valve assembly
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United States of America Patent
Stats
-
Jan 29, 1985
Grant Date -
N/A
app pub date -
Mar 2, 1982
filing date -
Mar 2, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pinch valve assembly includes a valve body in which a plunger is spring loaded against a portion of a flexible tube which passes through the valve body. The plunger causes the flexible tube to collapse preventing flow through the tube. Energization of a solenoid which is mounted on the valve body causes the plunger to release the tube, permitting flow. In an alternative embodiment, energization of the solenoid causes the plunger to bear on the flexible tube thereby providing a normally open valve arrangement. In another alternative embodiment the plunger bears on a plurality of flexible tubes thereby facilitating simultaneous control of different fluids.
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