Multi-speed hybrid powertrain with series and parallel operating modes
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United States of America Patent
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Sep 10, 2013
Grant Date -
N/A
app pub date -
May 18, 2012
filing date -
May 18, 2012
priority date (Note) -
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Abstract
A hybrid powertrain has a prime mover with a drive member and a multi-speed transmission with an input member and an output member. A first motor/generator is continuously connected for common rotation with the drive member. A second motor/generator is continuously connected for common rotation with the input member. A damper is connected with the input member, and a damper clutch is selectively engageable to connect the first motor/generator and the drive member for common rotation with the second motor/generator and the input member through the damper. The hybrid powertrain includes a controller operatively connected to the motor/generators and the damper clutch. The controller is configured to establish at least a hybrid series operating mode and a hybrid parallel operating mode.
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