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Slip control system for motor vehicle

  • US 5,193,888 A
  • Filed: 02/21/1991
  • Issued: 03/16/1993
  • Est. Priority Date: 02/22/1990
  • Status: Expired due to Fees
First Claim
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1. A slip control system for controlling slippage of driving wheels of a motor vehicle comprising:

  • means for detecting a slip ratio of each driving wheel;

    means for detecting a reduction speed of each wheel;

    traction control means for decreasing a slip of each driving wheel by controlling brake fluid pressure in each driving wheel so that the slip ratio of each driving wheel becomes at least equal to a predetermined desired slip ratio; and

    an antiskid brake system for controlling brake fluid pressure based on the reduction speed of each wheel so as to cancel a lock condition of the wheel, and antiskid brake system including first control means for controlling the brake fluid pressure in a condition in which a traction control operation is not carried out by the traction control means, and second control means for controlling the brake fluid pressure, in a different manner from that of the first control means, in a condition in which a traction control operation is carried out by the traction control means.

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