Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 11, 2011
Patent Application Number
11612561
Date Filed
December 19, 2006
Patent Primary Examiner
Patent abstract
A method of operating a hybrid transmission includes controlling the transmission according to a drive mode, which includes a continuously variable speed relationship, and controlling the transmission according to a fixed speed relationship mode, which includes a plurality of fixed speed relationships including mechanical gear ratios and virtual gear ratios.
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