| 摘要 |
PROBLEM TO BE SOLVED: To improve a cooling property of a motor as a motive poser unit accommodated in a power transmission case. SOLUTION: This power unit in a hybrid vehicle comprises an engine 20, a stepless transmission gear 23 transmitting a rotary power of a crankshaft 22 connected with the engine 20 to a rear wheel WR side, a driven shaft 60 connected on a driven side of the stepless transmission gear 23 and connected with the rear wheel WR via a deceleration mechanism 69, a drive motor 21b connected with the driven shaft 60 and at least functioning as a motive power unit, and a power transmission case 59 accommodating the stepless transmission gear 23 and the drive motor 21b. A fan 54b is connected with the crankshaft 22. Also, the drive motor 21b and the fan 54b are arranged on the same side of the stepless transmission gear 23 in the power transmission case 59. COPYRIGHT: (C)2005,JPO&NCIPI |
