Apparatus for reducing rocking motion of marine floating structu

Details Apparatus for reducing rocking motion of marine floating structu Apparatus for reducing rocking motion of marine floating structu

1993-06-28

1995-07-18

Avila, Stephen P.

Ships

Ballasting

Shifting weights

B63B 3902

Patent

active

054331625

ABSTRACT:
A linear motor has a stator body securely attached to a marine floating structure and a movable body acting as solid mass. In response to a command signal from a controller which phase-controls a signal from rocking-motion sensor, the movable body is forced to move in a direction of reducing the rocking motion against the floating structure in rocking motion, so that the rocking motion of the marine floating structure is reduced or suppressed.

REFERENCES:
patent: 57834 (1866-09-01), Winans et al.
patent: 3809000 (1974-05-01), Horsford et al.
patent: 3858522 (1975-01-01), Maki
patent: 4793263 (1988-12-01), Basic et al.
patent: 5182887 (1993-02-01), Uno et al.

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