Center bearing tuned absorber
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 16, 2004
Grant Date -
Mar 4, 2004
app pub date -
Aug 28, 2002
filing date -
Aug 28, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A center bearing tuned absorber assembly includes a cylindrical center bearing for supporting a rotating propeller shaft, and a tuned absorber having an inner sleeve disposed around the center bearing, and a mass-spring assembly arranged on an outer circumference of the inner sleeve. The mass-spring assembly includes a mass radially offset from, and attached to, the inner sleeve by a first damping element. The mass-spring assembly is arranged circumferentially on the inner sleeve in the direction of a first bending frequency associated with the rotating propeller shaft. The mass-spring assembly may be axially or radially offset from the center bearing.
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