Multi-mode power trains
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United States of America Patent
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May 12, 2020
Grant Date -
Feb 15, 2018
app pub date -
Oct 25, 2017
filing date -
Apr 9, 2014
priority date (Note) -
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Abstract
A power train and related vehicle provides multi-mode power transmission. A first continuously variable power source (“CVP”) may convert rotational power received by the engine for transmission to a second CVP. A variator assembly may receive rotational power from the second CVP at a first input and directly from the engine at a second input. A control assembly may allow the power train to shift between multiple modes, such as a series mode, a split-path mode, and a direct mode. The control assembly may provide seamless shifting between at least two of these modes.
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