Dynamic vibration absorber

Details Dynamic vibration absorber Dynamic vibration absorber

1996-10-01

1999-04-27

Poon, Peter M.

Brakes

Inertia of damping mass dissipates motion

188267, 335285, F16F 710

Patent

active

058969616

ABSTRACT:
A dynamic vibration absorber comprises a movable portion including a movable weight portion, a movable portion magnet assembly provided with a movable inside magnet and a movable outside magnet which are mounted to the movable weight portion through a yoke so as to alternately provide different magnetic poles, a fixed portion fixed to an object to be damped, a fixed portion magnet assembly provided with a fixed portion inside magnet and a fixed portion outside magnet mounted to the fixed portion through a yoke so that the fixed portion magnet assembly has magnetic poles different from those of the movable portion magnet in opposed positions, respectively, and a conductor plate disposed in a gap defined between the fixed portion magnet assembly and the movable portion magnet assembly.

REFERENCES:
patent: 3423614 (1969-01-01), Poteate et al.
patent: 4314623 (1982-02-01), Kurokawa
patent: 4935651 (1990-06-01), Hong et al.
patent: 5445249 (1995-08-01), Aida et al.

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