Self-expanding mount

Details Self-expanding mount Self-expanding mount

1992-10-08

1993-08-24

Butler, Douglas C.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

188267, 188378, 248550, 267136, 267122, 267219, F16M 1300

Patent

active

052382320

ABSTRACT:
A self-expanding mount controls transmission of vibration of a vibration source to a base. A main liquid chamber is defined between a resilient member fixed to the vibration source or the base and a casing fixed to the base or the vibration source. A metallic bellows is driven in response to a first control signal corresponding to vibration of the vibration source, to cause a variation in the pressure of liquid within the main liquid chamber. This variation in the liquid pressure causes contraction and expansion of the resilient member to thereby control the transmission of vibration of the vibration source to the base. A magnetostrictive element is resiliently deformed in response to a second control signal corresponding to the vibration of the vibration source, to change spacing between the vibration source and the base.

REFERENCES:
patent: 4638983 (1987-01-01), Idigkeit et al.
patent: 4650170 (1987-03-01), Fukushima

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