Flow Control Shutoff Valve
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United States of America Patent
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N/A
Issued Date -
Oct 1, 2015
app pub date -
Mar 25, 2015
filing date -
Mar 25, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A normally open flow control valve includes a housing having an inlet port, an outlet port and an interior passageway with a valve seat. A moveable valve member has a sealing head supported for rotation by a cantilevered arm. The sealing head has a sealing member adapted to establish a fluidic seal against the valve seat in a closed position. A biasing member applies a biasing force to the valve member to bring a contact surface of the valve member into contacting engagement with a distal end of a projection pin in an open position. When a flow rate of a pressurized fluid at the inlet port exceeds a selected threshold, impingement of the pressurized fluid against the sealing head rotates the valve member from the open position to the closed position.
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