US Patent 7992531 Phase varying apparatus for engine

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Patent Jurisdiction

Patent Number

Patent Inventor Names

Naoya Ishihara0

Koichi Homma0

Minoru Shiino0

Date of Patent

August 9, 2011

Patent Application Number

125142950

Date Filed

December 11, 2006

Patent Primary Examiner

Patent abstract

Heat generation is not caused by friction in a phase varying apparatus for use with a vehicle engine.

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