Pressurized fluid supply system

Details Pressurized fluid supply system Pressurized fluid supply system

1996-10-31

1998-12-08

Michalsky, Gerald A.

Fluid handling

Systems

Supply and exhaust

91446, 13759613, F15B 1308

Patent

active

058456783

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.

REFERENCES:
patent: 3608859 (1971-09-01), Hetzer
patent: 3722543 (1973-03-01), Tennis
patent: 4180098 (1979-12-01), Budzich
patent: 4361169 (1982-11-01), Williams
patent: 5485864 (1996-01-01), Takeuchi et al.
patent: 5622206 (1997-04-01), Takeuchi et al.
patent: 5651390 (1997-07-01), Ishihama et al.

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