Two-stage clutch damper assembly

Details Two-stage clutch damper assembly Two-stage clutch damper assembly

F - Mech Eng,Light,Heat,Weapons

16

D

192/18

F16D 13/22 (2006.01) F16F 15/121 (2006.01)

Patent

CA 1243617

TWO-STAGE CLUTCH DAMPER ASSEMBLY ABSTRACT A two-stage clutch damper assembly (10) for use in an automotive vehicle adapted to dissipate the irregular impulses of the vehicle engine when the transmission is in neutral, the clutch is engaged and the engine is at idle rpm. The assembly includes a clutch plate (18), a spring retainer plate (28) secured to the clutch plate (18), and a hub in operative engagement with the trans- mission input shaft and having an integral hub flange between the plates with spring windows (21,32) opened to allow an additional rotational travel of the clutch and spring retainer plates relative to the hub. A cam and detent arrangement (36,45) between the clutch plate and hub includes detent recesses formed in either a cam, the hub flange or the clutch plate, and a plurality of ramps (51) formed in a retainer (45) secured to the clutch plate, integral with the clutch plate or as spring- biased balls (68) in the hub. A further arrangement includes a cam and ramp having mating helical gear teeth (75,81), and axial compression springs acting to yield- ably bias the cam and hub apart.

466593

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