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Differential torque operation for internal combustion engine

  • US 7,503,312 B2
  • Filed: 05/07/2007
  • Issued: 03/17/2009
  • Est. Priority Date: 05/07/2007
  • Status: Active Grant
First Claim
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1. A propulsion system for a vehicle, comprising:

  • an internal combustion engine including at least a first group of cylinders and a second group of cylinders;

    a control system configured to operate the engine so that each firing cylinder of the first group produces a first amount of torque and each firing cylinder of the second group produces a second amount of torque different than the first amount of torque; and

    wherein the control system is further configured to increase the difference between the first amount of torque and the second amount of torque with increasing engine speed.

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