Internal combustion load increase preventing device for motor vehicle, has motor vehicle gear unit provided for changing transmission ratio of motor vehicle automatic gearbox during movement of vehicle against moving direction

摘要

The device has a motor vehicle gear unit (10) provided for changing a transmission ratio of a motor vehicle automatic gearbox (11) during a movement of a motor vehicle against a moving direction given by a driving position. A sensor unit (13) is arranged with another sensor unit that is provided for sensing a sensor value during a driving operation. The unit (13) detects a rotating direction of a vehicle wheel or a gearbox shaft.