Method of providing hydraulic pressure for mechanical work...

Details Method of providing hydraulic pressure for mechanical work... Method of providing hydraulic pressure for mechanical work...

2005-05-10

2005-05-10

Dolinar, Andrew M. (Department: 3747)

Internal-combustion engines

Cooling

With liquid coolant circulating means

C123S041650, C123S565000, C123S090120, C123S1960CP, C180S442000, C062S323100, C290S00100C

Reexamination Certificate

active

06889634

ABSTRACT:
A method of providing hydraulic pressure for mechanical work from an engine lubricating system in an internal combustion engine by supplying oil to an engine lubrication gallery for lubricating the engine and at least one variable oil demand accessory. Each of the variable oil demand accessories have individual pressure regulators. The output of the variable displacement pump is regulated to the sum of fluid flow required by the engine lubricating system and the demand for fluid generated by the individual pressure regulators on each of the engine accessories, regardless of the engine output.

REFERENCES:
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patent: 4420937 (1983-12-01), Naruse et al.
patent: 4596517 (1986-06-01), Laguionie
patent: 4819430 (1989-04-01), Becker
patent: 5291864 (1994-03-01), Suga et al.
patent: 6644025 (2003-11-01), Oberhausser et al.
patent: 6790013 (2004-09-01), Hunter et al.

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