Invention Grant
US08166939B2 Cam bearing surface of an engine cylinder head that includes an axially extending oil passage
有权
包括轴向延伸的油通道的发动机气缸盖的凸轮轴承表面
- Patent Title: Cam bearing surface of an engine cylinder head that includes an axially extending oil passage
- Patent Title (中): 包括轴向延伸的油通道的发动机气缸盖的凸轮轴承表面
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Application No.: US12398522Application Date: 2009-03-05
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Publication No.: US08166939B2Publication Date: 2012-05-01
- Inventor: Jose Manuel Lopez-Crevillen , Robert J. Moran , Gregory J Tomkiewicz
- Applicant: Jose Manuel Lopez-Crevillen , Robert J. Moran , Gregory J Tomkiewicz
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Agency: Harness, Dickey & Pierce, P.L.C.
- Main IPC: F01M9/10
- IPC: F01M9/10
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.
Public/Granted literature
- US20100223787A1 ENGINE CYLINDER HEAD LUBRICATION FEATURES AND METHOD OF FORMING Public/Granted day:2010-09-09
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