Wave type friction pad for wet clutch system and wet multi plate clutch having this

摘要

The present invention relates to a wet type wet clutch friction pad for drag torque reduction and a wet type multiplate clutch including the same. The core plate 131 includes an annular core plate 131 and a friction member 140 coupled to the core plate 131 and facing the separate plate 120. The friction plate 140 faces the separator plate 120, The core plate 131 and the friction member 140 are formed with continuous wave-shaped bending on the outer surface of the core plate 131 and the outer surface of the core plate 131, The interval between the core plate 131 and the separator plate 120 is repeatedly increased or decreased along the rotation direction of the core plate 131 and the friction unit 140. In the present invention, the friction pad 130 is formed in a wave shape, and a portion where the distance from the separator plate 120 increases along the rotation direction of the friction pad 130 is made. The transmission oil can be discharged more quickly and smoothly through the space between the increased intervals, and the drag torque of the clutch device and hence the power loss is greatly reduced.