The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 2004
Filed:
Nov. 26, 2002
William F Resh, Lansing, MI (US);
Wei Tao, Troy, MI (US);
DiamlerChrysler Corporation, Auburn Hills, MI (US);
Abstract
A system for controlling the flow of engine oil in a cylinder block that houses hydraulic lifters. The system includes a lifter gallery extending through the cylinder block, such that each of the hydraulic lifters are in fluid communication with the lifter gallery. The system also includes a flow restriction element for restricting the flow of the engine oil through at least a portion of the lifter gallery. Specifically, the flow restriction element is configured to be inserted into either a lifter gallery inlet opening or the lifter bores in order to reduce the cross-section of the lifter gallery and restrict the flow of engine oil through the lifter gallery.