| 摘要 |
A friction plate for a wet clutch includes a core plate, and friction members bonded to opposite sides of the plate core. The friction member is provided with a plurality of first oil grooves each permitting the communication between inner and outer circumferential edges of the friction member, and a plurality of second oil grooves each permitting the communication between intermediate portions of the adjacent first oil grooves. The first oil grooves are disposed in such a manner that they are inclined at a given angle in a circumferential direction of the core plate with respect to a line of radius passing through a radially inner end of each first oil groove. The second oil grooves are disposed in such a manner that they are inclined in the same direction as the first oil grooves at an acute angle larger than the given angle with respect to a line of radius passing through a radially inner end of each second oil groove. Thus, the cooling property is enhanced, and the dragging torque is decreased.
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