Measuring and testing – Vibration – Resonance – frequency – or amplitude study
Patent
1998-05-07
2000-01-11
Noori, Max
Measuring and testing
Vibration
Resonance, frequency, or amplitude study
7351417, G01H 100, G01P 1500
Patent
active
060123338
ABSTRACT:
The vibration control device comprises an electromechanical transducer module adapted to be attached to an outer surface of a rotating object, and a control circuit for electrically controlling an internal stress of the electromechanical transducer module so that the internal stress counteracts a stress of the rotating object resulting from a vibration of the object that is desired to be controlled. Thus, the stress produced from the vibration of the rotating object is transmitted to the electromechanical transducer module, and is converted into an electric energy. The electric energy thus produced by the vibration of the rotating object is applied to the electromechanical transducer module, and is thereby converted into an internal stress of the electromechanical transducer module which counteracts the vibration of the rotating object. Therefore, the rigidity of the rotating object against vibration can be increased in effect, and, in particular, the resonant vibration of the rotating object can be effectively controlled as well as other vibrations of the rotating object arising from various sources.
REFERENCES:
patent: 4462254 (1984-07-01), Rider
patent: 4950966 (1990-08-01), Moulds, III
patent: 5369348 (1994-11-01), Gennesseaux
patent: 5503043 (1996-04-01), Olbrich
patent: 5504381 (1996-04-01), Kato
Hontani Yasuharu
Kawabe Satoru
Urushiyama Yuta
Honda Giken Kogyo Kabushiki Kaisha
MacPherson Alan H.
Noori Max
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