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Shift control device for vehicle and vehicle incorporating same

  • US 8,306,711 B2
  • Filed: 09/19/2007
  • Issued: 11/06/2012
  • Est. Priority Date: 09/21/2006
  • Status: Expired due to Fees
First Claim
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1. In a two wheeled saddle-type vehicle having a steering handle, the improvement comprising a shift control device for controlling a gear ratio of a continuously variable automatic transmission mounted on the vehicle, said shift control device comprising:

  • a rolling angular velocity sensor configured to detect a rolling angular velocity of a body of the vehicle during vehicle operation; and

    a steering-angle angular velocity sensor configured to detect a steering-angle angular velocity of the steering handle of the vehicle;

    wherein the vehicle is configured to be operable for fast slalom traveling between obstacles;

    and wherein the shift control device is configured to inhibit shifting of a gear ratio of the continuously variable automatic transmission when values of detection signals from the rolling angular velocity sensor and the steering-angle angular velocity sensor are greater than or equal to respective reference values.

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