Hydraulic circuit for steering control in articulate vehicles

Details Hydraulic circuit for steering control in articulate vehicles Hydraulic circuit for steering control in articulate vehicles

1975-12-05

1977-09-13

Song, Robert R.

Motor vehicles

Surface effect vehicles

Dynamic seal or fluid curtain

60447, 60449, B62D 506

Patent

active

040475905

ABSTRACT:
A hydraulic circuit for steering control in articulate vehicles which comprises an engine, a fixed displacement pump driven by the engine, a variable displacement pump driven by the engine, an exit port of the variable displacement pump being connected to a control valve of a steering actuator, an orifice provided at an outlet side of the fixed displacement pump and, a controlling cylinder connected to the variable displacement pump for controlling displacement of the variable displacement pump, the controlling cylinder being actuated by a spring disposed therein and a differential hydraulic pressure at the orifice.

REFERENCES:
patent: 3543508 (1970-12-01), Schwab
patent: 3785754 (1974-01-01), Miller
patent: 3905194 (1975-09-01), Reimer

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