Self-energized power steering unit

Details Self-energized power steering unit Self-energized power steering unit

1979-11-13

1982-02-23

Pekar, John A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

60413, 91 5, 180155, B62D 506

Patent

active

043165192

ABSTRACT:
A self-energized, self-contained power steering unit is provided. The power steering unit requires no external power source for the pressurized fluid supplied therein to assist the steering. Instead, the unit has a pump which supplies fluid under pressure, with the pump being operated by the motion of the vehicle on which the power steering unit is used. Preferably, two pumps are employed at ends of the power steering unit and are operated by the motion of the tie rods of the vehicle. The unit requires no external passages but contains an accumulator and a reservoir connected to two annular cylinders by internal passages and an internal spool valve controlled by the steering mechanism.

REFERENCES:
patent: 684953 (1901-10-01), Singer
patent: 1621916 (1927-03-01), Williams et al.
patent: 3507580 (1970-04-01), Howard et al.
patent: 3921746 (1975-11-01), Lewus

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