Rack and pinion power steering gear

Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type

Patent

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Details

91378, 74388PS, 74498, 180148, F15B 910

Patent

active

041424484

ABSTRACT:
A rack and pinion power steering gear assembly includes a housing with a longitudinal bore and a sleeve slidably mounted in the longitudinal bore. The rack is slidably mounted within the sleeve and cooperates with the sleeve to communicate an inlet port to either a first working chamber or a second working chamber when the rack moves from a first position to a second position. The rack and sleeve also cooperate with each other to define a pair of feedback chambers and the rack moves from a first position to communicate the inlet port with the first feedback chamber to a second position to communicate the inlet port with the second feedback chamber.

REFERENCES:
patent: 2941514 (1960-06-01), Jablonsky
patent: 3011483 (1961-12-01), Frick et al.
patent: 3930436 (1976-01-01), Hedenberg

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