| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a gear device configured so that the temperature and the amount of lubricating oil for cooling and lubricating driving gears may be adjusted to levels corresponding to the speed of a vehicle, and the vehicle having the gear device mounted thereon. <P>SOLUTION: A transmission (gear device) 1 is configured so that lubricating oil OL may be supplied by a circulation pump 13 from the lower part of a housing 11 of the transmission 1 to a heat exchanger 12 and that the heat exchanger 12 may exchange heat between engine coolant W and the lubricating oil OL to adjust the temperature of the lubricating oil OL. The level of the lubricating oil OL when the circulation pump 13 is stopped is defined as a highest oil level L1, and the level of the lubricating oil OL when the amount of the lubricating oil OL pumped up by the circulation pump 13 is maximum is defined as a lowest oil level L2. The heat exchanger 12 is disposed at a position which is outside the housing 11 and which is higher than the highest oil level L1, and in order to adjust the height of the level of the oil OL fluctuating between the highest oil level L1 and the lowest oil level L2, the transmission 1 comprises a control device 20 for controlling the amount of the oil pumped up by lubrication pump 13. <P>COPYRIGHT: (C)2013,JPO&INPIT |
