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Method for operating a vehicle with an internal combustion engine and a generator

  • US 8,676,423 B2
  • Filed: 05/12/2011
  • Issued: 03/18/2014
  • Est. Priority Date: 05/29/2010
  • Status: Active Grant
First Claim
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1. A method for operating a vehicle with an internal combustion engine and a generator, said internal combustion engine producing a total torque, comprising:

  • during operation of the internal combustion engine, controlling a gear unit with a controller of the vehicle to divert from the total torque a partial torque to a generator shaft,applying the partial torque to the generator and producing with the generator from the partial torque an electric current,in a first mode, setting with the controller the partial torque so that an efficiency is adjusted to an optimum value, andin a second mode, setting with the controller the partial torque so that the efficiency is adjusted to an additional value, wherein the additional value is determined by applying a predetermined calculation rule to the optimum value, and wherein a reciprocal value of the additional value differs from a reciprocal value of the optimum value by a predetermined percentage.

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