Integral power steering gear with valve reaction device

Details Integral power steering gear with valve reaction device Integral power steering gear with valve reaction device

1978-09-25

1980-08-19

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

74388PS, 744248VA, F15B 910

Patent

active

042178126

ABSTRACT:
Power steering gear with integral rotary valve for directing hydraulic pressure fluid to and from a piston nut and in which an internal spring device provides a drag load on the valve body so that the valve spool will be immediately relatively turned on rotation of the stub shaft before there is lash take-up between the threads of the piston nut and screw which drivingly connect the valve body to the piston nut and gear output.

REFERENCES:
patent: 3433127 (1969-03-01), Thompson
patent: 3868888 (1975-03-01), Rehfeld
patent: 4009641 (1977-03-01), Rohde et al.

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