| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress a shock at a time of fixing and releasing an output shaft of an internal combustion engine in relation to a power output device outputting power to a drive shaft and an automobile loaded with the same having wheels mechanically connected to a drive shaft. <P>SOLUTION: A motor MG1 is connected to a sun gear 31 of a first planetary gear P1 of a power distribution integration mechanism 30, a crank shaft 26 of an engine 22 is connected to a carrier 34. The carrier 34 of the first planetary gear P1 is connected to a sun gear 41 of a second planetary gear P2, a ring gear 42 of the first planetary gear P1 is connected to a carrier 44, the motor MG2 is connected to the ring gear 42. A brake BR for fixing the carrier 34 of the first planetary gear P1 on a case is provided. When operation of the engine 22 is stopped and connection of the brake BR is requested, rotation speed of the engine 22 is regulated to gradually get value zero by the motor MG1, MG2 while maintaining balance of torque input and output to each rotating element of the power distribution integration mechanism 30, and the brake BR is turned on at a time that the rotation speed reaches value zero. Consequently, shock at a time of turning the brake BR off form on can be reduced. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
