Pressurized fluid supply system
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United States of America Patent
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-
Dec 8, 1998
Issued Date -
N/A
app pub date -
Oct 31, 1996
filing date -
Oct 23, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A direction control valve is formed by providing a main spool for establishing and blocking communication between an inlet port, first and second actuator ports and first and second tank ports. A pressure compensation valve comprising a check valve portion and pressure reduction portion is provided for compensating the pressurized fluid with a load pressure and supplying it to the inlet port. A plurality of valve blocks are connected to each other with respective first and second tank ports and respective pump ports in fluid communication. A pump port of one of the valve blocks is connected to a main inlet port, and a tank port of one of the valve blocks is connected to a main tank port. Thus, a hydraulic circuit for distributing a pressurized fluid from a single hydraulic pump to a plurality of actuators is provided.
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