B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
280/146, 180/55
B62D 5/08 (2006.01) B62D 5/083 (2006.01) B62D 13/00 (2006.01)
Patent
CA 1218936
50862-00751 Abstract of Disclosure A fluid-system control valve apparatus having an adjustable valve assembly between base passages and action passages. The valve assembly comprises a pair of interfaced valve members individually rotatable and normally in neutral relationship. One is a driver and the other a follower. Rotation of the driver alters the neutral relationship and forms fluid passages through the valve assembly. A reactive damming cavity is fed by a metered portion of fluid passing through the valve assembly and effects subsequent followup rotation by the follower, thus reforming the aforesaid neutral relationship. Steering systems for vehicles comprise the control valve apparatus, a turntable for wheels, a hydraulic cylinder for turning the turntable, and conduits between the valve apparatus and hydraulic cylinder.
461174
Dufrene Clement O.
Rosenmeier Gordon
Smart & Biggar
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