×

METHODS FOR CONTROLLING ENGINE IDLE SPEED

  • US 20140083392A1
  • Filed: 09/27/2012
  • Published: 03/27/2014
  • Est. Priority Date: 09/27/2012
  • Status: Abandoned Application
First Claim
Patent Images

1. A method of operating an engine in a motor vehicle comprising:

  • determining the existence of an engine idle condition;

    determining whether an operator is in the motor vehicle;

    operating the engine at a performance idle speed when an idle condition exists and the operator is in the motor vehicle; and

    operating the engine at a fuel economy idle speed, which is lower than the performance idle speed, when an idle condition exists and the operator is not present in the motor vehicle.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×