Multi-mode power split hybrid transmission with two planetary gear mechanisms
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United States of America Patent
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Apr 14, 2020
Grant Date -
Mar 28, 2019
app pub date -
Sep 25, 2018
filing date -
Sep 28, 2017
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Abstract
A multi-mode, power-split hybrid transmission system having two planetary gear (PG) sets connected to one engine, two electric motors, one output shaft, and each other by several clutches, brakes, and direct connection elements. Depending on the specific location and actuation of the various clutch and brake elements, the multi-mode, power-split hybrid transmission system can be run in one of several modes (e.g. electric drive, power-split, parallel hybrid, series hybrid, electronic continuously variable transmission (eCVT), generator, neutral, and the like).
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