Power steering hydraulic system with a low pressure expansible r

Details Power steering hydraulic system with a low pressure expansible r Power steering hydraulic system with a low pressure expansible r

1979-03-09

1980-05-20

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Condition responsive control means responsive to, or...

60416, 137563, F15B 2104

Patent

active

042032873

ABSTRACT:
A power steering system has a pump, a steering gear and pressure and return passages. The pump does not include a cover member which conventionally provides space for the storage of excess fluid. The return passage has an expansible chamber included therein which accommodates the fluid volume change within the system resulting from fluid temperature changes thus permitting hermetic sealing of the system. An aspirator can also be included within the expansible chamber to improve the inlet pressure condition at the pump.

REFERENCES:
patent: 2290479 (1942-07-01), Mercier
patent: 3152448 (1964-10-01), Mercier
patent: 3207077 (1965-09-01), Zeigler et al.
patent: 3253548 (1966-05-01), Zeigler et al.
patent: 3323305 (1967-06-01), Klees

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