Pressure compensation valve
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United States of America Patent
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-
Jan 23, 1996
Grant Date -
N/A
app pub date -
Nov 23, 1994
filing date -
May 28, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure compensation valve is capable of distributing of an output pressurized fluid of single pressurized fluid supply source to a plurality of hydraulic loads. The pressure compensation valve is constructed with a check valve portion formed by providing, in a valve body, a valve for establishing and blocking communication between an inlet port and an outlet port, and a pressure reduction valve formed by providing, in the valve body, a spool establishing communication between a second port and a third port by a pressure in a first pressure chamber communicating with a first port and blocking communication between the second port and the third port by a pressure in a second pressure chamber communicating with the third port. The spool is biased in a direction for blocking communication between the second port and the third port by a spring while contacting the valve.
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