Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Patent
1980-01-28
1983-07-26
Peters, Jr., Joseph F.
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
180 658, 180135, 180329, B62D 508
Patent
active
043948863
ABSTRACT:
A steering gear with pitmans arm, steering tie rod and steering gear connecting rod for a vehicle with optionally hydraulically boosted, mechanical steering or purely hydraulic steering, and a hydraulic pump, driven by the drive engine, being connected via conduits and a flow regulating- and pressure limiting-valve to a directional control valve from which, on the one hand a line extends to a steering mechanism which is actuated from the steering gear via a cardan shaft and from which lines extend to a two-directional control valve which is connected with the hydraulic cylinders of the front axle and, on the other hand a line extends to a steering valve which is actuated by means of the steering gear and the cardan shaft, oil under pressure flowing either through a line to the directional valve connected with the cylinders for the front axle or through a line to the directional valve connected with the rear axle. The pressure oil is pumped by the pump over the first mentioned directional control valve to the connection of the steering valve, and depending upon the turning of the steering wheel, via a line and one control valve to the piston-side chamber of one rear axle hydraulic cylinder and to the piston-rod-side chamber of the other rear axle hydraulic cylinder, or the pressure oil flows from the steering valve via another line to another control valve and further via still another line over said one control valve to the piston-rod-side chamber of the one hydraulic cylinder and to the piston-side chamber of the other hydraulic cylinder.
REFERENCES:
patent: 3202238 (1965-08-01), Strader
patent: 3724585 (1973-04-01), Conrad
patent: 3856102 (1974-12-01), Queen
patent: 4016948 (1977-04-01), Kuester
patent: 4140199 (1979-02-01), Lester
Lappe Manfred
Rathje Uwe
Farber Martin A.
McGiehan Donn
O&K Orenstein & Koppel Aktiengesellschaft
Peters Jr. Joseph F.
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