| 摘要 |
PROBLEM TO BE SOLVED: To prevent degradation of lubricating oil and deterioration of bearing lifetime caused by temperature rise. SOLUTION: A pipe 5 which connects an oil supply room 3 and an oil tank 4 is fixed so that lubricating oil 7 in the oil supply room 3 flows into the oil tank 4 via the pipe 5 when an oil take-up disc 2 is rotating. Since the oil tank 4 is arranged on the underside of a main motor and is cooled by the running wind of a vehicle, the lubricant 7 which flowed into the oil tank 4 via the pipe 5 is also cooled thus retarding the degradation of the lubricating oil 7 caused by temperature rise. Furthermore, deterioration of bearing lifetime can be prevented because the cooled lubricating oil 7 is used again for lubrication of a bearing 8 and temperature rise of the bearing 8 is stopped. COPYRIGHT: (C)2010,JPO&INPIT
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