Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1998-05-12
2000-07-04
Schwartz, Chris P.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
1882667, F16M 100
Patent
active
06082719&
ABSTRACT:
A vibration control system is provided for an appendage such as an antenna 10 coupled to a platform such as a spacecraft 12. The antenna 10 is coupled at a base 14 so as to extend from the spacecraft 12. A plurality of guidelines 20 extend between remote portions 22 of the antenna 10 and the antenna base 14. A plurality of motion control elements 36 are provided within the antenna structure for reducing oscillation settling time of the antenna 10 relative to the spacecraft 12. The motion control elements 36 include a material disposed therein having its damping response changed according to the magnitude of an electric or magnetic field applied thereto.
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"An Actively Damped Passenger Car Suspension System With Low Voltage Electro-Rheological Magnetic Fluid", Andrew Pinkos, Emil Shtarkman, and Thomas Fitzgerald, SAE International Congress and Exposition, Detroit, Michigan, Mar. 1-5, 1993.
Doherty Kathleen M.
Parker A. Dale
Shtarkman Emil M.
Schwartz Chris P.
TRW Inc.
Yatsko Michael S.
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