High-performance vibration filter

Details High-performance vibration filter High-performance vibration filter

1983-06-17

1986-08-12

Foss, J. Franklin

Supports

Including additional vibrating mass

248581, F16M 1300

Patent

active

046051945

ABSTRACT:
The vibration filter comprises an inner ring (27) on which vibration-sensitive equipment may be installed, the ring (27) being suspended from a plurality of springs (24, 25, 26) elastically supported by posts (18, 19, 20) in turn mounted on an outer ring (1) which is spring-suspended the same as the inner ring (27) from a rigid bench (8). The springs (12, 13, 14; 24, 25, 26) and other elastic members (9, 10, 11; 15, 16, 17; 21, 22, 23; 28, 29, 30) have differing resonant frequencies.
Between the bench (8) and the outer ring (1), and between the outer and inner rings (1, 27) there may be provided eddy current brakes consisting of strong permanent magnets (46, 48) arranged opposite individual copper or aluminum blocks (5, 47).

REFERENCES:
patent: 118919 (1871-09-01), Foote
patent: 1795313 (1931-03-01), Nies
patent: 3223400 (1965-12-01), Deister
patent: 3845929 (1974-11-01), Reekie et al.
patent: 3868082 (1975-02-01), Soderquist

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