Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiromichi Hashimoto0
Date of Patent
February 23, 2010
0Patent Application Number
121587680
Date Filed
June 1, 2007
0Patent Primary Examiner
Patent abstract
In a cam journal (12A) in which a timing-advance oil passage (12a) and a timing-retard oil passage (12b) are provided as a first oil passage for VVT, an oil passage (102c) for HLA is provided as the second oil passage. The timing-advance oil passage (12a) and the timing-retard oil passage (12b), which are formed on the surface of the intake camshaft (12), are separated from the oil passage (102c) for HLA by a lower cam bearing (202). Thus, it is possible to provide the control oil passages for VVT and the oil supply passage for HLA in one cam journal (12A).
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