| 摘要 |
PROBLEM TO BE SOLVED: To hold and discharge lubricating oil by raising temperature by slip rotation of a clutch to increase cooling effect effectively in a drum storing a driven plate and a driving plate. SOLUTION: When temperature of the clutch is low, a lubricating oil discharge hole 10 of a clutch drum 5 is blocked to hold lubricating oil in the clutch drum 5. When temperature of the clutch is high, the lubricating oil discharge hole 10 is opened to discharge lubricating oil from the inside of the clutch drum 5 to reduce temperature of a multiple disc friction clutch. To explain concretely, this multiple disc friction clutch device has an opening and closing valve for opening and closing for lubricating oil in the clutch drum 5 by temperature. This opening and closing valve sets opening and closing temperatures and discharges lubricating oil through the lubricating oil discharge hole 10 by using a bimetal 11. COPYRIGHT: (C)2007,JPO&INPIT
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