| 摘要 |
<p>PROBLEM TO BE SOLVED: To further favorably suppress the generation of drag torque resulting from the viscous resistance of lubricant cooling mediums between first and second friction engagement plates while further properly lubricating and cooling the first and second friction engagement plates, in a multi-plate friction clutch which is constituted so that the lubricant cooling mediums are supplied to the first and second friction engagement plates via at least one supply hole which is formed at a clutch hub arranged inside a clutch drum.SOLUTION: A clutch C1 includes: an opening/closing mechanism 60 which can rotate integrally with a clutch hub 42, can close a plurality of supply hopes 42o formed at the clutch hub 42, and opens a plurality of the supply holes 42o by the action of a centrifugal force according to an increase of the number of revolutions of the clutch hub 42.</p> |
