Active mounts

Supports – With condition responsive control means

Patent

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Details

248636, 248638, F16M 1300

Patent

active

051335271

ABSTRACT:
The present invention relates to an active mount system in which a vibration sensor such as a force gauge or an accelerometer senses vibrational forces transmitted through a resilient mount by a load such as a machine. The invention further includes a digital narrow-band least mean square filter that receives a sinusoid synchronous with the rotating machinery and an error signal from the load cell and generates a corrective signal to be amplified and transmitted to the electromagnet which supplies an attenuating force to the resilient mount in response to the signal. As an alternative, a wide frequency range control can be realized by the use of a wide frequency range, high gain amplifier and multi-filter phase compensation circuitry to generate the corrective force signal which is amplified and transmitted to the electromagnet.

REFERENCES:
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patent: 3464657 (1969-09-01), Bullard
patent: 4033541 (1977-07-01), Malueg
patent: 4352481 (1982-10-01), Forward
patent: 4615504 (1986-10-01), Sandercock
patent: 4624435 (1986-11-01), Freudenberg
patent: 4635892 (1987-01-01), Baker
patent: 4795123 (1989-01-01), Forward
patent: 4796873 (1989-01-01), Schubert
patent: 4821205 (1989-04-01), Schutten
patent: 4869474 (1989-09-01), Best

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