Fixed speed operation in a hybrid transmission
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United States of America Patent
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Jan 11, 2011
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app pub date -
Dec 19, 2006
filing date -
Dec 19, 2006
priority date (Note) -
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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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