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• Patents > 2009-03-05 > SECTION F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING > ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL > GEARING

AUTOMATIC GEAR SHIFTING CONTROL DEVICE OF VEHICLE

Abstract

An automatic gear shifting control device of a vehicle can execute an automatic gear shifting control in response to a larger rotational speed. The automatic gear shifting control device includes a gear shifting control instruction part that executes an automatic gear shifting operation of an AMT in response to at least vehicle-speed information. First and second sensors detect rotational speed of front and rear wheels. A rotational-speed-difference detector detects the difference in rotational speed between the front and rear wheels based on information from the first and second sensors. The control part is configured to execute an automatic gear shifting control in response to the vehicle-speed information calculated based on the larger rotational speed out of the rotational speed of the front wheel and the rotational speed of the rear wheel when the difference in rotational speed is detected by the rotational-speed-difference detector.

Filed on: 2008-08-28; Application Number: 12200555