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U.S. Department of Energy
Office of Scientific and Technical Information

Camshaft bearing arrangement for overhead cam engine

Patent ·
OSTI ID:5147005
In an assembly for an internal combustion engine comprising a cylinder block, a cylinder head detachably affixed to the cylinder block by a plurality of threaded fastening means, a plurality of poppet valves supported for reciprocation in the cylinder head and a camshaft for operating the poppet valves, the improvement is described comprising a cam carrier detachably affixed to the cylinder head and overlying the threaded fastening means, and a bearing cap affixed to the cam carrier. The cam carrier and the bearing cap have bearing surfaces for journaling the camshaft.
Assignee:
Yamaha Hatsudoki Kabushiki Kaisha, Iwata
Patent Number(s):
US 4612885
OSTI ID:
5147005
Country of Publication:
United States
Language:
English