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Active vibration-absorber

  • US 5,718,418 A
  • Filed: 05/13/1996
  • Issued: 02/17/1998
  • Est. Priority Date: 05/13/1995
  • Status: Expired due to Fees
First Claim
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1. An active vibration-absorber for a vibrating machine part, the vibration-absorber defining an axial direction, comprising:

  • a carrier plate adapted to be attached to a vibrating machine part;

    a magnet system including a magnet casing movably disposed along the axial direction of the vibration-absorber, a permanent magnet disposed in said magnet casing, and an electrical coil projecting away from said carrier plate and into said magnet casing;

    a stationary ferromagnet defining a magnetic leakage field with said magnet system for holding said magnet system in the axial direction;

    and a stationary, central guide bolt extending axially in said magnet casing, said magnet system being guided on said central guide bolt.

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