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Adaptive tuned vibration absorber, system utilizing same and method of controlling vibration therewith

  • US 5,954,169 A
  • Filed: 10/24/1997
  • Issued: 09/21/1999
  • Est. Priority Date: 10/24/1997
  • Status: Expired due to Fees
First Claim
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1. A tuned vibration absorber (35) adapted for attachment to a vibrating structure (32, 33), said absorber (35) having a stiffness and tuned mass (43) defining a resonant frequency, said absorber (35) comprising:

  • (a) at least one flexible plate (58) exhibiting said tuned stiffness and having an elastic center (EC),(b) said tuned mass (43) exhibiting a center of gravity (CG) which is offset from said elastic center (EC), said tuned mass (43) interconnected to, and suspended by, said at least one flexible plate (58),(c) a base (28) interconnecting said at least one flexible plate (58) to a vibrating structure (32), and(d) means for adaptively moving a position of said tuned mass (43) relative to said base (28) thereby changing said resonant frequency.

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