B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 6/06 (2006.01) B62D 5/06 (2006.01) B62D 5/12 (2006.01)
Patent
CA 2413482
A hydraulic power steering system includes a steering gear having a cylinder, and a piston slidably disposed in the cylinder to divide the cylinder into first and second cavities on opposed sides of the piston. A pair of turn tubes are coupled to the cylinder for connecting the cylinder cavities to a source of hydraulic fluid. An open fluid leakage path extends between the cylinder cavities or between the turn tubes. This open leakage path is sized to damp fluid pressure fluctuations and thereby reduce fluid-induced shudder in the steering system. The open fluid leakage path may comprise a valve or a passage extending between the turn tubes, a passage in the piston or in the seal between the piston and the gear housing cylinder, or a passage in a banjo block connected across the turn tube inputs to the gear housing.
Krieger Clifford P.
Wozniak Steven A.
Dana Corporation
Ridout & Maybee Llp
LandOfFree
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