Patent ID: 6205874
Filing Date: 2001-03-27
Classification: F16H,Y10T

Abstract:
A transmission for use in a power train of a motor vehicle, comprising:a gear assembly shiftable into and between a plurality of gears including reverse, neutral and forward gears; andmeans for shifting said assembly to and between said gears, including:a gate defining first and second gear selecting paths,a gear selector movable along said first path to a plurality of positions including first, second and third positions in which said assembly is respectively in said reverse, neutral and forward gears, said selector being movable between said third position and said second path and manually along said second path,a signal receiving, processing and transmitting control unit,at least one actuator responsive to processed signals transmitted by said control unit and arranged to move said means for shifting to one of said plurality of gears as a function of signals transmitted by said control unit,at least one first sensor arranged to monitor the positions of said selector in said paths and to transmit signals to said control unit, andat least one additional sensor arranged to monitor the presence or absence of said selector in a predetermined one of said plurality of positions and to transmit signals to said control unit, so as to provide a backup sensor in case of malfunction of said at least one first sensor.