Vibration absorbing apparatus for a rotating system

Details Vibration absorbing apparatus for a rotating system Vibration absorbing apparatus for a rotating system

1998-07-22

2000-02-15

Swinehart, Ed

Marine propulsion

Screw propeller

With vibration dampening

440 38, B63H 115

Patent

active

060246154

ABSTRACT:
A vibration dampening system incorporates an inertia mass that is disposed within a hollow portion of an impeller structure. The inertia mass is attached to one or more elastomeric members which are, in turn, attached to an inside surface of a tubular portion of the impeller structure. The annular inertia mass and its elastomeric legs are particularly designed to dampen and counteract a particular frequency at which the propulsion system vibrates when the internal combustion engine is operated at idle speed.

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patent: 5095786 (1992-03-01), Bellinghausen
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