Patent ID: 6443275
Filing Date: 2002-09-03
Classification: B60W,F16H,Y10T

Abstract:
A power transmission apparatus for a vehicle, comprising:a gear transmission having a plurality of gear trains, said gear transmission including an input shaft capable of transmitting power from a crankshaft of an engine to driving wheels by selectively establishing one of a plurality of shift stages of the gear trains, said input shaft being rotatably supported by a crankcase of the engine; a clutch for cutting power transmission from the crankshaft to the gear transmission when the gear transmission is being operated to shift between gear trains, said clutch being operated by hydraulic pressure and mounted to one end portion of said input shaft projecting from the crankcase; a torque converter mountable to one end portion of the crankshaft; a cover mounted to the crankcase for covering said clutch and said torque converter; a first actuator for shifting the gear transmission; a second actuator for driving the clutch independently of the first actuator, said second actuator including a clutch control valve capable of controlling the hydraulic pressure provided to said clutch, said clutch control valve being mounted on said cover; and a torque converter control valve for controlling hydraulic pressure provided to said torque converter, said torque converter control valve being provided on said cover.