Power steering pump

Details Power steering pump Power steering pump

2005-05-31

2005-05-31

Koczo, Jr., Michael (Department: 3746)

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

C418S259000

Reexamination Certificate

active

06899528

ABSTRACT:
A power steering pump comprises, as main elements, a cam plate, a discharge cover plate and a suction cover plate that cooperate to define a cam chamber, a fluid discharge passage and fluid suction passage for the pump. The cam chamber is formed in the cam plate. The discharge cover plate includes a face that abuts a first face of the cam plate and includes a recess that cooperates with first cam plate face to define a fluid discharge passage. A suction cover plate includes a suction cover face that abuts a second face of the cam plate and comprises a recess that cooperates with the second cam plate face to define a suction passage. The power steering pump further comprises a rotor within the cam chamber and comprising slideable vanes.

REFERENCES:
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patent: 6068461 (2000-05-01), Haga et al.
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patent: 6287094 (2001-09-01), Bleitz et al.
patent: 6648620 (2003-11-01), Yamauchi et al.
patent: 0481347 (1992-04-01), None
patent: 59-221488 (1984-12-01), None
patent: 3-222882 (1991-10-01), None
patent: 4-66789 (1992-03-01), None

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