192 clutches and power-stop control – Clutches – Operators
Patent
1989-08-03
1991-01-29
Lorence, Richard
192 clutches and power-stop control
Clutches
Operators
192 58B, 192 7017, 464 24, 464 58, F16D 352, F16D 380
Patent
active
049879871
ABSTRACT:
A torsional vibration damping mechanism (30 or 130 or 230) is disclosed in a clutch plate assembly for a vehicle driveline. In a schematically illustrated form the mechanism (30) includes a relative high rate or stiff spring set (36) for transmitting torque and alternating torsionals when a transmission input shaft (22) is connected to a load, relatively lower or less stiff spring set (38) connected in series with spring set (36) and for attenuating torsionals when the shaft (22) is not connected to a load, and a viscous damper (44) disposed in parallel with both spring sets (36, 38) and operative to dampen recoil of both spring sets. In one detailed embodiment of the mechanism (130) the stiff spring sets (136) includes a pair of nested, spiral wound springs (135, 137). In another embodiment of the mechanism (230) the stiff spring set (236) includes helical compression springs (235, 237).
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Damon Gerald D.
Godlew David P.
Eaton Corporation
Lorence Richard
Rulon P. S.
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