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Method and system pertaining to determination of a contact point for a clutch

  • US 8,936,530 B2
  • Filed: 03/12/2012
  • Issued: 01/20/2015
  • Est. Priority Date: 03/14/2011
  • Status: Active Grant
First Claim
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1. A method for determination of a contact point for a clutch of a vehicle, such that said clutch is configured to be closed to transmit driving power between a first power source in the form of an engine and at least one powered wheel of said vehicle, said first power source being operable at various speeds including an idling speed thereof;

  • said vehicle being engaged in a gear when said determination is started;

    the method comprising;

    opening said closed clutch, and disengaging a gear in which said vehicle is operating and when said vehicle is in motion and said contact point is being determined;

    controlling a speed of said first power source towards a first speed (ω

    1) which is higher than said idling speed of said first power source, then determining said contact point; and

    after said contact point has been determined, closing said clutch and engaging said gear in which said vehicle was operating at a time of said opening of said clutch.

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