Servo steering for vehicles

Details Servo steering for vehicles Servo steering for vehicles

1986-02-06

1987-06-30

Pekar, John A.

Motor vehicles

Surface effect vehicles

Dynamic seal or fluid curtain

60545, 417418, B62D 506

Patent

active

046763333

ABSTRACT:
A pump is constructed using a magnetic piston in a cylinder having an oil feed thereto, for pumping oil to either pressure chamber of a steering servomotor. The pump cylinder has a chamber on each side of the pump piston which chambers discharge pressure oil into a respective servomotor chamber. The magnetic piston is actuated by an electromagnetic system under control of a manually operated steering wheel. The pump construction is such that the length of traverse of the pump piston on a pressure movement is shorter than the piston traverse of a servomotor chamber being pressurized. The pump chambers discharge directly into respective servomotor chambers without the need for steering control valving.

REFERENCES:
patent: 2539018 (1951-01-01), Hardy
patent: 3162134 (1964-12-01), Lovell
patent: 3422765 (1969-01-01), Schoch
patent: 3437044 (1969-08-01), Sanders et al.
patent: 4580651 (1986-04-01), Adams

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