Vibration-proof and earthquake-immue mount system

Details Vibration-proof and earthquake-immue mount system Vibration-proof and earthquake-immue mount system

1988-03-10

1989-11-28

Halvosa, George E. A.

Supports

Machinery support

Including vibration isolation means

52167R, 52DIG4, 188267, 248550, 248562, 248599, 2671401, 2671405, F16M 100

Patent

active

048832502

ABSTRACT:
A vibration-proof and earthquake immune mount system connecting machinery or a structure to a foundation which may be subject to external vibrations or earthquakes. The mount system includes a number of mounts operating in conjunction with a number of dampers, and both the mounts and the dampers function regardless of the direction of the external disturbance. In the mount this ominidirectionality is achieved by using a low-friction rolling contact between a ball attached to the machinery or structure and a dished surface attached to the foundation. Damping is provided by eddy current dissipation when a conductor plate attached to the structure of machinery and free to move in two directions is placed between the poles of an electromagnet which is integral with the foundation, and activated by a controller energized when a sensor detects motion of the foundation.

REFERENCES:
patent: 2055000 (1936-09-01), Bacigalupo
patent: 2414506 (1947-01-01), Bowen
patent: 3771270 (1973-11-01), Byers
patent: 4496130 (1985-01-01), Toyama
patent: 4662133 (1987-05-01), Kondo
patent: 4699348 (1987-10-01), Freudenberg
patent: 4726161 (1988-02-01), Yaghoubian

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