| 摘要 |
<P>PROBLEM TO BE SOLVED: To achieve a hybrid drive device in which the occurrence of a shift shock in case of mode switching and deterioration of efficiency of energy in a whole device are suppressed, while making it possible to achieve large torque assist. <P>SOLUTION: The hybrid drive device having an input member I, an output member O, a first rotary electric machine MG1 and a second rotary electric machine MG2 and a power distribution device PT, includes: a first differential gear unit PG1 having three rotation elements, that is, a fixed element ES fixed to a non-rotation member Dc, an input element EI driven and connected to an intermediate output member M and a second rotary electric machine connecting element EM driven and connected to the second rotary electric machine MG2; and a second differential gear unit PG2 having three rotation elements including an output element EO driven and connected to the output member O and an integral connection element EL integrally driven and connected to either the input element EI or the second rotary electric machine connection element EM in the order of the rotation speeds, wherein a plurality of modes including a deceleration mode and an acceleration mode are set so as to be switched regarding an overall transmission gear ratio. <P>COPYRIGHT: (C)2011,JPO&INPIT |
