Dry disc-type clutch

Details Dry disc-type clutch Dry disc-type clutch

F - Mech Eng,Light,Heat,Weapons

16

D

192/18, 192/34

F16D 13/46 (2006.01) F16D 13/64 (2006.01)

Patent

CA 1045997

ABSTRACT OF THE DISCLOSURE Clutches as presently known suffer from the disadvantage that even after the clutch is disengaged the friction facings of the clutch plate tend to maintain contact with the engaging surface of the fly wheel. This results in failure in changing over the speeds by the transmission. The present invention relates to a dry-disc type clutch, and more particularly to a clutch of the type which includes a fly wheel having an annular engaging surface and secured on a drive shaft, a clutch plate axially slidably supported on a driven shaft which is positioned in coaxial relationship to the drive shaft, annular friction facings secured to opposite surfaces of the clutch plate and an annular pressure plate adapted to urge the friction facings of the clutch plate against the engaging surface of the fly wheel. A plurality of recesses or shallow grooves are defined in the surface of one of the annular friction facings which faces the engaging surface of the fly wheel. Accelerated air streams are introduced from the exterior through the fly wheel into the plurality of grooves so as to aid in the separation of the friction facing of the clutch plate from the engaging surface of the fly wheel as a result of a hydrodynamic force created by the air streams.

260939

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