Patent ID: 6777837
Filing Date: 2004-08-17
Classification: B60K,F16H,Y02T,Y10S

Abstract:
A hybrid-vehicle drive unit comprising:an engine, an automatic transmission including a hydraulic power transmission and an automatic speed-change mechanism; and a motor having a stator and a rotor that is coupled with an input portion of the hydraulic power transmission, wherein a motor housing for the motor is disposed between a housing of the hydraulic power transmission and the engine, the stator is fixed to the motor housing, the rotor is rotatably supported by the motor housing, the hydraulic power transmission includes a front cover isolating the motor from inner portions of the hydraulic power transmission, the front cover includes a radially extending outer portion, an axially extending intermediate portion and a radially extending inner portion, and the rotor is disposed radially outward of the axially extending intermediate portion of the front cover of the hydraulic power transmission with a predetermined clearance.