Pressure control valve for a power steering apparatus

Details Pressure control valve for a power steering apparatus Pressure control valve for a power steering apparatus

1995-10-31

1998-06-30

Lee, Kevin

Fluid handling

Systems

Multi-way valve unit

13762568, F15B 1304

Patent

active

057719322

ABSTRACT:
A pressure control valve for a power steering apparatus comprises a pin extending along the movement of a spool and contacting on a solenoid with one end of the pin, a bore provided slidably in the spool and having a longer length than the pin, a first annular groove communicated with an oil passage change valve, and a second annular groove communicated with a reaction chamber as well as the first groove, and the second groove communicating with the bore.

REFERENCES:
patent: 2530377 (1950-11-01), Chattler
patent: 2968316 (1961-01-01), Schultz
patent: 4784235 (1988-11-01), Ijiri et al.
patent: 5617895 (1997-04-01), Pfuhl et al.

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