Active cancellation of noise at gear mesh frequencies for a gear

Details Active cancellation of noise at gear mesh frequencies for a gear Active cancellation of noise at gear mesh frequencies for a gear

1997-01-07

1998-09-22

Marmor, Charles A.

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

F16F 1500

Patent

active

058098437

ABSTRACT:
A method and apparatus to cancel gear vibration and noise by imposing a canceling drive torque or force on a driven gear set. Sensors receive information and produce an error signal representative of the vibration and/or noise generated at meshing gears. The error signal indicative of vibration and/or noise information is provided to a control mechanism that processes the noise information to generate a corresponding drive torque. The drive torque corresponding to the noise information is applied to a drive shaft or through a power supply to reduce vibration and noise of the gear assembly at gear meshing frequencies.

REFERENCES:
patent: 4977508 (1990-12-01), Tanaka et al.
patent: 5291975 (1994-03-01), Johnson et al.
patent: 5553514 (1996-09-01), Walkowc

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