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:
May. 01, 2012
Filed:
Mar. 05, 2009
Applicants:
Jose Manuel Lopez-crevillen, Farmington Hills, MI (US);
Robert J. Moran, Ann Arbor, MI (US);
Gregory J Tomkiewicz, Milford, MI (US);
Inventors:
Jose Manuel Lopez-Crevillen, Farmington Hills, MI (US);
Robert J. Moran, Ann Arbor, MI (US);
Gregory J Tomkiewicz, Milford, MI (US);
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01M 9/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of forming a cylinder head may include machining an upper surface of a cam tower of the cylinder head to form a generally planar surface. An oil passage may be drilled in the upper surface to provide an oil feed. A bearing bore may be formed in the upper surface of the cam tower. The bearing bore may include a recess having first and second circumferential ends. The oil passage may intersect the first circumferential end.