B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 5/083 (2006.01) B62D 6/02 (2006.01)
Patent
CA 2290192
A steering system (10) for a vehicle includes inner and outer valve members (40 and 42) which are rotatable relative to each other to port fluid to a vehicle power steering motor (31). A torsion bar spring (102) is connected with the inner and outer valve members (40 and 42) to resist relative rotation between the valve members during operation of the steering system (10). A torsion tube spring (202) has a first end portion (206) connected with an outer valve member (42) and a second end portion (210). The second end portion (210) of the torsion tube spring (202) is connected with a clutch (212). The clutch (212) is operable from a disengaged condition to an engaged condition to connect the second end portion (210) of the torsion tube spring (202) with the inner valve member (40). Connecting the second end portion (210) of the torsion tube spring (202) with the inner valve member (40) increases resistance to relative rotation between the inner and outer valve members (40 and 42).
Fetherstonhaugh & Co.
Trw Inc.
LandOfFree
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