Method of providing hydraulic pressure for mechanical work from an engine lubricating system

Patent No. 6,889,634

Issued: May 10, 2005
Filed: April 16, 2004

Inventors: Roth; David B. (West Bloomfield, MI)
Assignee: BorgWarner Inc. (Auburn Hills, MI)


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.


Go Back for more representative patents.


Home || Intellectual Property || Patents || Trademarks || Copyrights


Brown & Michaels, PC
400 M & T Bank Building
118 North Tioga Street - The Commons
Ithaca, NY 14850
Phone: (607) 256-2000 Fax: (607) 273-2609

e-mail: bpm@bpmlegal.com