System for absorbing torsional and/or bending vibrations

Details System for absorbing torsional and/or bending vibrations System for absorbing torsional and/or bending vibrations

1994-11-28

1996-07-09

Bonck, Rodney H.

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

74574, F16F 1514

Patent

active

055334229

ABSTRACT:
A system for absorbing bending vibration in a shaft which is drivingly rotated about an axis and wherein the shaft is exposed to bending disturbances utilizes a body attachable to the shaft for rotating therewith as the shaft rotates about its axis of rotation and round roller elements positioned within the cavities disposed in the body. During operation of the system, the bending disturbances induce pendulum-like motion of the roller elements within the cavities in a manner which absorbs bending vibration of the shaft. The roller elements, the cavities and the bending disturbances are related to one another in accordance with an equation which optimizes performance of the system and circumvents time-consuming trial and error techniques during design of the system. In the event that the cavities have spherical walls and the roller elements are spherical in form, the system is capable of absorbing torsional, as well as bending, vibrations in a rotating shaft.

REFERENCES:
patent: 2659243 (1953-11-01), Darrieus
patent: 4458554 (1984-07-01), Hrastar
patent: 5295411 (1994-03-01), Speckhart

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