Method and apparatus for maintaining oil pressure

Details Method and apparatus for maintaining oil pressure Method and apparatus for maintaining oil pressure

2009-04-02

2011-11-22

Mansen, Michael (Department: 3654)

Lubrication

Systems

Crank-type machines

C123S1960CP

Reexamination Certificate

active

08061484

ABSTRACT:
An oil pump system is provided having a mechanism configured to receive oil, pressurize the oil, and output the pressurized oil. The oil pump system also includes an oil pump body configured to house the mechanism. A vent is defined by the body to purge air from the pump. Also, a device is arranged relative to the vent, and configured to close the vent when the pump body is subjected to g-forces up to a predetermined threshold magnitude. The device is additionally configured to open the vent when the pump body is subjected to g-forces exceeding the predetermined threshold magnitude, wherein air otherwise received by the pump mechanism with the oil, captured within the mechanism, and outputted with the pressurized oil is purged.

REFERENCES:
patent: 3635604 (1972-01-01), Petersen et al.
patent: 3967493 (1976-07-01), Murphy et al.
patent: 3982794 (1976-09-01), Colovas et al.
patent: 4971532 (1990-11-01), Slattery
patent: 6416373 (2002-07-01), Kolb et al.
patent: 6695659 (2004-02-01), Kolb et al.
patent: 7862306 (2011-01-01), Staley et al.

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