US Patent 7975381 Valve operating camshaft system for internal combustion engine
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Patent abstract
A camshaft system includes a number of cam lobes locked upon a cylindrical shaft. Bearings configured with one-piece bores and are engaged with the cylindrical shaft. The bearings are captured upon the shaft by the locked-on cam lobes.
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Patent Inventor Names
Darrell Charles Drouillard0
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US Patent 07975381 Valve operating camshaft system for internal combustion engine US Patent 7975381 Valve operating camshaft system for internal combustion engine
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Patent Number
07975381
Patent Number
7975381
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US Patent 07975381 Valve operating camshaft system for internal combustion engine
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Is a
Patent jurisdiction
Patent number
07975381
Date of patent
July 12, 2011
Patent application number
12207614
Date Filed
September 10, 2008
Patent primary examiner
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