Patent ID: 6612963
Filing Date: 2003-09-02
Classification: B60K,B60W,F16H,Y02T,Y10S,Y10T

Abstract:
A power transmission system of an automobile having an engine, a generator driven by an output of said engine for charging a battery, a battery-driven electric motor and a transmission mechanism provided at a rear portion of an output shaft of said engine and for at least changing a rotation speed of said engine, the power transmission system further comprising a generator use gear enable to rotate freely about an input shaft of said transmission mechanism and a clutch mechanism enable to rotate together with said input shaft of said transmission mechanism and said generator use gear, whereinsaid clutch mechanism is a clutch mechanism that in a predetermined low speed region combines said generator use gear and the input shaft of said transmission mechanism, and said clutch mechanism changes over a running condition according to a drive force by said electric motor or a running condition according to a drive force by said generator and said drive force by said electric motor, and said transmission mechanism has low speed use engine side gear trains and high speed use engine side gear trains, and said high speed use engine side gear trains are arranged at a side away from said engine and said low speed engine side gear trains.