192 clutches and power-stop control – Clutches – Axially engaging
Patent
1988-02-04
1989-08-15
Braun, Leslie A.
192 clutches and power-stop control
Clutches
Axially engaging
192104C, 1921062, 74574, 464 68, F16F 1512, F16F 1530
Patent
active
048566365
ABSTRACT:
Apparatus for damping fluctuations of torque in the power train between the engine and the variable-speed transmission of a motor vehicle has a first flywheel which is driven by the crankshaft of the engine, a second flywheel which is coaxial with the first flywheel and can transmit torque from the first flywheel to the shaft of the transmission in response to engagement of a friction clutch, at least one elastic damper which opposes rotation of the flywheels relative to each other, and at least one friction generating device which opposes rotation of the flywheels relative to each other within a lower range of speeds but is deactivated by centrifugal force when the speed rises above a preselected value. The friction generating device has a set of arcuate jaws which are radially movably mounted on the second flywheel and are biased radially inwardly by pairs of coil springs so that their concave internal surfaces normally contact the cylindrical peripheral surface of a drum which is mounted on the first flywheel. The bias of the springs is overcome by centrifugal force when the RPM of the flywheels reaches the preselected value.
REFERENCES:
patent: 2746587 (1956-05-01), Spase
patent: 3026979 (1962-03-01), Moore
patent: 3037600 (1962-06-01), Heckethorn
patent: 4624351 (1986-11-01), Lutz et al.
patent: 4638684 (1987-01-01), Maucher
patent: 4739866 (1988-04-01), Reik et al.
Braun Leslie A.
Kontler Peter K.
LuK Lamellen und Kupplungsbau GmbH
Testardi David A.
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