Planetary gear transmission systems or components – Planetary gearing or element – Floating or flexible coupling or support
Patent
1998-02-06
2000-08-22
Marmor, Charles A.
Planetary gear transmission systems or components
Planetary gearing or element
Floating or flexible coupling or support
475347, 192 30V, 192201, 192212, 74574, 464 68, F16D 314, F16F 1510
Patent
active
061064300
ABSTRACT:
A rotary vibration damping device for damping rotary vibrations in a drive train through which the output torque of an internal combustion engine is transmitted in a drive power flow direction to driving wheels ot a motor vehicle. The damping device includes a first inertial mass arrangement that is connected to a crank shaft of the internal combustion engine for the purpose of rotation around a rotational axis, a second inertial mass arrangement that is connected via a spring device to the first inertial mass arrangement for common rotation around the rotational axis and for relative rotation with respect to the first inertial mass arrangement, and at least a third inertial mass arrangement that is connected to the drive train before the spring device in the drive power flow direction for rotation around the rotational axis. The third inertial mass arrangement can be disconnected from the drive train, with respect to rotary drive, when a predetermined operating state is attained.
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Lund Scott
Mannesmann Sachs AG
Marmor Charles A.
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