Patent ID: 8287432

Claim:
A clutch control system for a transmission having at least two hydraulic clutches, said clutch control system comprising: a hydraulic pump for supplying oil pressures for driving said hydraulic clutches; oil passages connected respectively to said hydraulic clutches for transmitting said oil pressures; and a control unit for controlling the supplies of oil pressures into said oil passages; an engine speed sensor for detecting an engine starting operation and communicating the engine starting operation signal to the control unit, wherein after receiving the engine starting operation signal and prior to driving said hydraulic clutches, said control unit is configured to perform an initial preparatory operation for making preparations for driving said hydraulic clutches by generating a predetermined oil pressure (Pc) in each of said oil passages; and said initial preparatory operation is carried out by supplying said predetermined oil pressures (Pc) into each of said oil passages at different timings, one after the other, and prior to driving said hydraulic clutches.