Patent ID: 6871734

Claim:
A wheeled motor vehicle, comprising: a variable-RPM prime mover; a transmission having a plurality of ratios; a torque transmitting clutch installed between said prime mover and said transmission, said clutch being engageable in dependency upon the RPM of the prime mover; and control means for preventing overrevving of the prime mover, including means for effecting one of a disengagement of the clutch and an operation of the clutch with slip when the RPM of the prime mover exceeds a preselectable threshold value, said threshold value being ascertained on the basis of at least one of (a) the momentary speed of the motor vehicle, the RPM of the wheels of the motor vehicle and a parameter denoting the momentary speed of the motor vehicle, and (b) a signal representing one of the momentary and sought-after ratios of the transmission, wherein: said control means further includes means for ascertaining said momentary ratio of the transmission on the basis of the previously selected ratio of the transmission.