Patent ID: 6244402
Filing Date: 2001-06-12
Classification: B60T,B60W,Y10T

Abstract:
A power shift transmission for a motor vehicle, the power shift transmission having a transmission input shaft for receiving a driving input from a prime mover and a transmission output shaft for transmitting an output of the power shift transmission and powering a vehicle incorporating the power shift transmission;a starting device coupled to the transmission input shaft for receiving the driving input from a prime mover and supplying the driving input to the transmission input shaft;a catch for preventing a vehicle from rolling in a direction opposite to a travel direction intended by a selected gear of the power shift transmission, and the catch being an electronically regulated component which is operated by activation of a service brake;the power shift transmission includes a planetary gear and the service brake is a brake which acts upon at least one component of the planetary gear; andthe service brake and the starting clutch (2) are both regulated by an overlapping control.