Four-mode hybrid transmission
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United States of America Patent
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Apr 23, 2013
Grant Date -
N/A
app pub date -
Jun 12, 2012
filing date -
Jun 12, 2012
priority date (Note) -
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Abstract
A hybrid transmission includes an input member and an output member. The transmission includes a first and a second motor/generator, and a first, second, and third planetary gear set. The input member is continuously connected for common rotation with a member of the first planetary gear set. The output member is continuously connected for common rotation with a member of the third planetary gear set. An interconnecting member is continuously connected for common rotation with a member of each of the first, second, and third planetary gear sets. A plurality of torque-transmitting mechanisms includes a torque-transmitting mechanism that is selectively engageable to connect the interconnecting member to another member of the third planetary gear set. The motor/generators and the torque-transmitting mechanisms are selectively engageable in different combinations to provide four electric-only operating modes.
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