Clutch plate, friction clutch, and coupling device

Details Clutch plate, friction clutch, and coupling device Clutch plate, friction clutch, and coupling device

2005-07-26

2005-07-26

Lorence, Richard M. (Department: 3681)

192 clutches and power-stop control

Clutches

Automatic

C192S070120, C192S070140, C192S084700, C192S084910, C192S10700R, C192S113360

Reexamination Certificate

active

06920968

ABSTRACT:
A friction clutch has a plurality of iron inner clutch plates and a plurality of iron outer clutch plates. Both the clutch plates have sliding surfaces which are friction-engaged each other. A thin carbon film in a diamond form, which functions as a solid lubricant, is formed on each of the sliding surfaces of the outer clutch plates by a known method such as the Chemical Vapor Deposition method. A known nitride treatment or quenching and tempering treatment is applied to the sliding surfaces of the inner clutch plates. A coupling device has a pilot clutch mechanism with the friction clutch and an electromagnetic actuator. As a result, the friction clutch is resistant to wear and the coupling device is excellent in durability.

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