Hydraulic power steering gear assembly with unloading valve

Details Hydraulic power steering gear assembly with unloading valve Hydraulic power steering gear assembly with unloading valve

1996-06-05

1998-09-08

Mitchell, David M.

Motor vehicles

Steering gear

With fluid power assist

91375A, 91401, 180417, 180442, B62D 508

Patent

active

058032010

ABSTRACT:
A hydraulic power steering gear assembly includes an assembly body defining a piston chamber having opposed chamber ends with plunger passages formed in the ends, a reciprocating piston and a chamber having opposed ends and a passage extending between the piston ends, a check valve at each end of the piston passage, and a plunger assembly in each plunger passage with each assembly including a spring frictionally holding assembly in the passage and a poppet extending into the chamber to unseat a ball valve as the piston is moved toward one end of the chamber.

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TRW, "TAS Poppets", Jan. 1992, pages 1-15.

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