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Engine shut-off and re-start strategy

  • US 9,624,893 B2
  • Filed: 04/27/2015
  • Issued: 04/18/2017
  • Est. Priority Date: 04/27/2015
  • Status: Active Grant
First Claim
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1. A motor vehicle comprising:

  • an internal combustion engine operable via an accelerator pedal which when operated from a non-depressed position to a depressed position propels the motor vehicle via wheels on which the motor vehicle travels, at least some of which are drive wheels which are connected through a transmission to the internal combustion engine;

    service brakes operable via a service brake pedal when operated from a non-depressed position to a depressed position to cause brake torque to be applied to at least some of the wheels when rotating;

    a park brake operable to lock at least some of the wheels against rotation while the speed of the motor vehicle is zero;

    a controller which causes the engine to shut off in response to concurrence of certain conditions precedent comprising speed of the motor vehicle being zero, the accelerator pedal being in non-depressed position, the transmission being in a non-drive gear, the park brake locking at least some of the wheels against rotation, and the service brake pedal being in non-depressed position, in which with the engine shut off, the controller causes the engine to re-start when the service brake pedal is operated to depressed position.

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