Power steering pump apparatus

Details Power steering pump apparatus Power steering pump apparatus

1995-09-27

1998-10-13

Thorpe, Timothy

Pumps

Combined

210167, 210171, F04B 3916

Patent

active

058203567

ABSTRACT:
An improved power steering pump integrates into a single assembly the pump (10), the reservoir (20) and a filtration system. The reservoir (20) includes upper and lower chambers (26, 24) and a primary filter (40) therebetween. The filtration system may also include a secondary filter (42) for providing filtration of fluid added through a filler device (31). The reservoir (20) may also include a bypass chamber (30) and a fluid bypass (66) with a bypass valve (68) for permitting fluid to bypass the primary filter (40) in the event the fluid exceeds a predetermined viscosity.

REFERENCES:
patent: 3632238 (1972-01-01), Searle
patent: 3751191 (1973-08-01), Mott, Jr. et al.
patent: 4082665 (1978-04-01), Schneider et al.
patent: 4454717 (1984-06-01), Wade et al.
patent: 4517083 (1985-05-01), Hayes et al.
patent: 4650572 (1987-03-01), Hayes
patent: 4964983 (1990-10-01), Abe et al.
patent: 4995970 (1991-02-01), Ohsakai
patent: 5089129 (1992-02-01), Brigman
patent: 5318411 (1994-06-01), Heinrichs et al.

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