Active control system and method for reducing engine noise and v

Details Active control system and method for reducing engine noise and v Active control system and method for reducing engine noise and v

1987-07-15

1989-02-28

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

180312, 318629, F16F 1503, G05D 1900, H02P 1500, H02K 700

Patent

active

048088633

ABSTRACT:
Noise and vibration in a structure is reduced through application to the structure of an oscillatory torque. An electromechanical energy converter provides the oscillatory torque when the input signal to the electromechanical energy converter has a frequency and harmonics thereof required to counteract the noise and vibration desired to be attenuated.

REFERENCES:
patent: 3088062 (1963-04-01), Hudimac
patent: 4121143 (1978-10-01), Halbermann et al.
patent: 4538697 (1985-09-01), Muroi et al.
patent: 4600863 (1986-07-01), Chaplin et al.
patent: 4626754 (1986-12-01), Halbermann et al.
patent: 4699348 (1987-10-01), Freudenberg

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