Method and apparatus for improved vibration isolation

Details Method and apparatus for improved vibration isolation Method and apparatus for improved vibration isolation

F - Mech Eng,Light,Heat,Weapons

16

F

F16F 7/10 (2006.01)

Patent

CA 2422391

A tunable vibration isolator (451, 551, 651, 681, 691, 721, 801, 901, 973) with active tuning elements (473, 475, 573, 673, 675, 689, 705, 707, 745, 747, 747, 819a, 819b) having a housing which defines fluid chambers. A piston (455, 555, 655, 695, 725, 805, 970) is disposed within the housing. A vibration isolation fluid is disposed within the fluid chambers. A passage (463, 563, 663, 735, 881, 904) having a predetermined diameter extends through the piston to permit the vibration isolation fluid to flow from one fluid chamber to the other. The tunable vibration isolator may employ either a solid tuning mass approach or a liquid tuning mass approach. In either case, active tuning elements, or actuators, are disposed in the fluid chambers to selectively tune the vibration isolator.

L'invention concerne un isolateur antivibrations (451, 551, 651, 681, 691, 721, 801, 901, 973) réglable à éléments actifs de réglage (473, 475, 573, 673,675, 689, 705, 707, 745, 747, 747, 819a, 819b), qui comporte un corps définissant des chambres de fluide. Un piston (455, 555, 655, 695, 725, 805, 970) est installé dans le corps. Un fluide isolant antivibrations est mis en place dans les chambres de fluide. Un passage (463, 563, 663, 735, 881, 904) de diamètre prédéterminé s'étend à travers le piston pour permettre au fluide antivibrations de s'écouler d'une chambre de fluide à l'autre. L'isolateur antivibrations réglable peut employer une technique à masse de réglage solide ou liquide. Dans les deux cas, les éléments actifs de réglage, ou actionneurs, sont placés dans les chambres de fluide afin de régler de manière sélective l'isolateur antivibrations.

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