Active vibration mount

Details Active vibration mount Active vibration mount

1997-02-26

1998-10-27

Young, Lee W.

Spring devices

Resilient shock or vibration absorber

188378, 248550, F16M 100

Patent

active

058268642

ABSTRACT:
The active vibration mount disclosed herein employs a multiplicity of layers of an electro-strictive material such as an electro-strictive polyurethane film interleaved with electrodes. A majority of the layers are employed as an output transducer while at least one layer is employed as a sensor generating a force-induced voltage. Accordingly, a feedback controller responsive to that voltage can energize the output transducer thereby to reduce the vibratory force transmitted through the mount over a preselectable range of frequencies while the mount supports a static load.

REFERENCES:
patent: 5000415 (1991-03-01), Sandercock
patent: 5052529 (1991-10-01), Sutcliffe et al.
patent: 5229979 (1993-07-01), Scheinbeim et al.
patent: 5660255 (1997-08-01), Schubert et al.

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