Reservoir for a vehicle power steering system

Details Reservoir for a vehicle power steering system Reservoir for a vehicle power steering system

1980-11-03

1984-06-19

Weakley, Harold W.

Power plants

Pressure fluid source and motor

With means purging, cleaning or separating undesirables from...

137574, 137576, 137592, F16D 3102

Patent

active

044547170

ABSTRACT:
In a power steering system, for a vehicle, including a reservoir, an engine-driven pump, a double-acting hydraulic piston-and-cylinder assembly and a steering-wheel-operated hydrostatic steering unit which can function as a manually-operated emergency steering pump, sufficient oil for emergency operation of the hydrostatic steering unit must be retained in the system if the connection between the outlet of the engine-driven pump and the inlet of the hydrostatic steering unit should fracture. The reservoir accordingly comprises an outer casing adapted to breath air at its upper end and having an outlet at its lower end adapted to communicate with the inlet of the engine-driven pump, and an inner casing having a port at its lower end adapted to communicate with a port of the hydrostatic steering unit and an oil outlet at its upper end communicating with the interior of the outer casing.

REFERENCES:
patent: 2733662 (1956-02-01), Hunter
patent: 3130548 (1964-04-01), Hunt
patent: 3638676 (1972-02-01), Burch
patent: 4144947 (1979-03-01), Withers

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