Friction plate for wet-type multiplate clutch

Details Friction plate for wet-type multiplate clutch Friction plate for wet-type multiplate clutch

2007-12-26

2009-10-06

Lorence, Richard M. (Department: 3655)

192 clutches and power-stop control

Elements

Engaging surfaces

C192S113360

Reexamination Certificate

active

07597180

ABSTRACT:
A friction plate for a wet-type multiplate clutch is provided with a core plate and friction linings bonded on opposite sides of the core plate, respectively. Each of the friction linings is composed of plural segment pieces bonded at angular intervals on the corresponding one of said opposite sides. The segment pieces each have at least one first oil groove and at least one second oil groove. The first oil groove opens to a radially-inner side of its corresponding segment piece and has a closed end portion located in a radially-intermediate part of the corresponding segment piece, and the second oil groove opens to a radially-outer side of the corresponding segment piece and has a closed end portion located in another radially-intermediate part of the corresponding segment piece. The segment pieces are each provided in a friction surface thereof with at least one oil pocket closed at a circumference thereof.

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patent: 2005-076759 (2005-03-01), None

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