Hybrid vehicle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Apr 19, 2017
filing date -
Apr 27, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A plurality of virtual gear positions are established by an electric continuously variable transmission, and the number of speeds of the virtual gear positions is equal to or larger than the number of speeds of mechanical gear positions of a mechanical stepwise variable transmission. One virtual gear position or two or more virtual gear positions is/are assigned to each mechanical gear position, and the mechanical gear position is shifted in the same timing as shift timing of the virtual gear position. The virtual gear positions assigned to each mechanical gear position when the mechanical gear position is upshifted are different from the virtual gear positions assigned to each mechanical gear position when the mechanical gear position is downshifted. Thus, the amount of heat generated in frictional engagement elements of the mechanical stepwise variable transmission is prevented from being increased.
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Family
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