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Methods and systems for engine starting during a shift

  • US 9,499,165 B2
  • Filed: 04/26/2016
  • Issued: 11/22/2016
  • Est. Priority Date: 05/04/2012
  • Status: Active Grant
First Claim
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1. A method of starting an engine of a vehicle with a hybrid vehicle driveline, comprising:

  • predicting a desired torque after a transmission upshift;

    starting rotation of a stopped engine based on the predicted desired torque after the transmission upshift compared with a threshold amount of torque,wherein the vehicle driveline further comprises a driveline integrated starter/generator (DISG) coupled to a disconnect clutch at one side and a transmission component at an opposite side; and

    operating the driveline in a sailing mode with the engine combusting and the disconnect open and the DISG providing requested torque to the vehicle driveline.

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