Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1998-05-12
2000-10-31
Oberleitner, Robert J.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
1882671, 343DIG2, F16F 500
Patent
active
061389986
ABSTRACT:
A motion control apparatus is provided for controlling oscillations of an appendage 10 coupled to a spacecraft 12. A plurality of guidelines 20 extend between remote portions 22 of the appendage 10 and the appendage base 14. A plurality of motion control elements 28 are interposed between the appendage base 14 and the spacecraft 12 and/or along the guidelines 20 between the appendage base 14 and the remote portions 22 of the appendage 10 or both. The motion control elements 28 include visco-elastic fluid, electro-rheological fluid, magnetic-rheological fluid, or a piezo-electric stack so that a motion control property of the motion control elements 28 may be varied according to the magnitude of an electric or magnetic field source 30 coupled thereto.
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Doherty Kathleen M.
Parker A. Dale
Shtarkman Emil M.
Oberleitner Robert J.
Siconolfi Robert A.
TRW Inc.
Yatsko Michael S.
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