Clutch plate, friction clutch, and coupling device

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

2003-04-02

2010-10-19

Lorence, Richard M. (Department: 3655)

192 clutches and power-stop control

Clutches

Automatic

C192S070120, C192S070140, C192S084700, C192S084910, C192S113360

Reexamination Certificate

active

07815028

ABSTRACT:
A friction clutch includes an iron inner clutch plate and two iron outer clutch plates. Each clutch plate has a sliding surface that friction-engages with the other clutch plates. A diamond-like carbon film containing silicon, which functions as a solid lubricant, is formed on the sliding surface of each outer clutch plate through a conventional method such as plasma chemical vapor deposition. The diamond-like carbon film contains 1 wt % to 80 wt % of silicon. A coupling device includes a pilot clutch mechanism that has the friction clutch and an electromagnetic actuator. As a result, the friction clutch has an improved resistance to wear, and the coupling device is durable.

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