Powertrain for a vehicle

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United States of America Patent

PATENT NO 9586575
APP PUB NO 20170008469A1
SERIAL NO

15274531

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An electrical system includes an engine, a motor-generator and a starter mechanism, and engine systems also include the engine. The electrical system includes a first energy storage device having a first voltage level and a second energy storage device having a second voltage level less than the first voltage level. The electrical system further includes a controller configured to control the motor-generator, the starter mechanism and first and second switching devices. Current from at least one of the first and second energy storage devices is delivered to the motor-generator when at least one of the first switching device is in a first closed state and the second switching device is in a second closed state such that the motor-generator transfers torque to the starter mechanism and the starter mechanism uses the torque to start the engine.

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Patent Owner(s)

  • GM GLOBAL TECHNOLOGY OPERATIONS LLC

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Atluri, Venkata Prasad Farmington Hills, US 53 437
Conell, Robert S Sterling Heights, US 21 233
Holmes, Alan G Clarkson, US 190 3766
Namuduri, Chandra S Troy, US 295 2399
Nehl, Thomas Wolfgang Shelby Township, US 46 635
Powell, Bob R Birmingham, US 17 76
Raghavan, Madhusudan West Bloomfield, US 295 3740
Reynolds, Michael G Troy, US 42 451

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