Power steering gear and open center rotary valve therefor

Details Power steering gear and open center rotary valve therefor Power steering gear and open center rotary valve therefor

1982-05-07

1984-06-19

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

13762524, F15B 910

Patent

active

044548010

ABSTRACT:
This power steering valve has new routing for return oil by elongating predetermined slots in the valve body to axially circumvent end ring elements interposed between the valve spool and valve body. With the provision of axial return paths, radially drilled return holes in the valve spool and spool shaft are eliminated.

REFERENCES:
patent: 3022772 (1962-02-01), Zeigler et al.
patent: 3393608 (1968-07-01), Saunders
patent: 4164892 (1979-08-01), Goff et al.

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