| 摘要 |
A wet friction clutch has a clutch housing supporting a friction plate, a clutch boss (30) supporting a clutch plate, and a main shaft penetrating through the clutch housing and the clutch boss (30). The main shaft has a hole for supplying oil to the back side of the clutch boss 30. A plurality of fins (60) are formed on the back side of the clutch boss (30). Each of the plurality of fins (60) extends from the center toward the outer peripheral edge and has a surface along which the oil is guided toward the outer peripheral edge. |
