Invention Grant
US09534639B2 Multi-plate friction clutch 有权
多板摩擦离合器

Multi-plate friction clutch
Abstract:
A multi-plate friction clutch wherein lubrication sites of the clutch can be efficiently supplied with oil to be sufficiently lubricated. A multi-plate friction clutch includes a clutch outer, a clutch center, clutch plates, and a pressure plate. A center ring protrusion protruding into a cylindrical shape from the outer surface of a center bottom wall part is formed at substantially the same radial position as a plurality of communication holes. Furthermore, a ring recess opened toward the axial center is formed in the inner circumferential surface of the center ring protrusion and the communication holes are so opened as to face the ring recess.
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