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Excess slip control device for driving wheel

  • US 5,283,742 A
  • Filed: 11/24/1992
  • Issued: 02/01/1994
  • Est. Priority Date: 03/23/1988
  • Status: Expired due to Term
First Claim
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1. An excess slip control device for controlling an output torque of a driving wheel, which is driven by an engine, by reducing an output of the engine during an excess slip condition of the driving wheel, comprising:

  • driving wheel speed sensor for detecting a driving wheel speed of said driving wheel of said vehicle;

    a slip determining means for determining a slip condition of said driving wheel based on an output of said driving wheel speed sensor;

    a fuel supply suppressing means including fuel decreasing and fuel cutting means for suppressing fuel supply to engine in response to said slip condition detected by said slip determining means; and

    a retard control means for controlling an ignition timing of said engine to a retard position in response to said slip condition detected by said slip determining means, said retard position being determined in accordance with the suppressing degree of fuel suppressing control;

    whereby said fuel supply suppressing means and said retard control means control excess slip of said driving wheel by reducing power supplied by said engine to said driving wheel.

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