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AssigneeZF Friedrichshafen AG
InventorsKlaus Steinhauser, Frank Worms, Stephane Klein, Walter Hecht, Bernd Zaenglein
Estimating the term…
A method for shifting an automatic or an automated transmission of a motor vehicle to a “neutral” position such that the shift position of the transmission and a parking lock, provided for keeping the motor vehicle stationary, are engaged as a function of a shift position selected with a driver operated selector device and as a function of other operating parameters of the motor vehicle. A holding phase, in which the transmission is in the neutral position, free from friction force locking, can be activated by a separate operating device which is provided, in addition to the selector device, but only when the motor vehicle is simultaneously at least approximately stationary, an ignition current circuit that acts on a drive engine of the motor vehicle is electrically interrupted, and the “neutral” (N) shift position is specified by a selector device.
A method of shifting either an automatic or an automated transmission of a motor vehicle to a neutral position such that a shift position of the transmission and a parking lock, which restrains movement of the motor vehicle, are engaged as a function of a shift position (P, R, N, D) of a selector device operated by a driver of the motor vehicle and as a function of other operating parameters of the motor vehicle, the method comprising the steps of:
A motor vehicle with either an automatic or an automated transmission, the vehicle comprising:
Dependencies are inferred from the claim text.