Torsional vibration damper

Details Torsional vibration damper Torsional vibration damper

1994-05-20

1996-03-05

Marmor, Charles A.

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Fluid resistance inhibits relative rotation

74574, 192 61, 475 95, 475108, 475112, F16D 3104

Patent

active

054962242

ABSTRACT:
A device for damping torsional vibration of a drive shaft with a liquid damping medium including a primary gear connected to the drive shaft. A secondary gear supports a series of planetary gears in meshed connection with the primary gear. The revolving primary gear and the planetary gears form a gear pump for closed circulation of the liquid damping medium through pressure ducts. The device further includes a control device for controlling the flow rate of the liquid damping medium based on the rotational speed of the primary gear.

REFERENCES:
patent: 2743628 (1951-04-01), Scharaffa
patent: 5078246 (1992-01-01), Rohs et al.

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