Patent ID: 6302227
Filing Date: 2001-10-16
Classification: B60K,B60W,F16H,Y02T,Y10S,Y10T

Abstract:
A hybrid powered vehicle comprising:an engine;an electric motora transmission; anda forward/backward rotation switching mechanism coupled to an output shaft of said engine, an output shaft of said electric motor, and an input shaft of said transmission;wherein said forward/backward rotation switching mechanism comprises:a planetary gear unit including at least three elements: a ring gear, a sun gear and a carrier pivotally supporting a planetary pinion arranged between said ring gear and said sun gear;a brake for braking a first element, which is one of said three elements;connecting means for connecting and disconnecting two elements among said three elements; andwherein said output shaft of said engine is connected to a second element which is one of two elements except said first element, and said output shaft of said electric motor and said input shaft of said transmission are connected to a third element which is the other element of said two elements except said first element;wherein said output shaft of said engine and said second element always rotate in the same direction with each other, and the output shaft of said electric motor and the input shaft of said transmission always rotate in the same direction with each other; andwherein said vehicle can be selectively driven in a reverse direction by operation of said engine alone, said electric motor alone or a combination of said engine and said electric motor.