Fluid damper including flexible damping plate

Details Fluid damper including flexible damping plate Fluid damper including flexible damping plate

B - Operations, Transporting

64

C

B64C 27/35 (2006.01) B63H 5/10 (2006.01) F16F 13/08 (2006.01) F16F 13/10 (2006.01) F16F 15/023 (2006.01) F16F 15/08 (2006.01)

Patent

CA 2344819

A fluid and elastomer damper (10) includes a first and second members (20, 60) and an elastomer section (40) flexibly mounting the second member to the first member and allowing lateral movement therebetween. The elastomer section (40) includes an inner wall (47) forming a portion of a cavity defined within the damper and a damping fluid (52) disposed within the cavity. A flexible damping plate separates the cavity into first and second chambers (44, 48). At least one passageway (50) is formed between the damping plate (130) and the inner wall (47), the passageway (50) exhibiting a gap dimension between the wall (47) and the damping plate (130). When lateral movement occurs between the first and second members (20, 60), the gap dimension is maintained substantially constant by flexing of the damping plate (130) along the lateral direction.

L'invention concerne un amortisseur (10) fluidique et élastomère comprenant un premier et second éléments (20, 60) et une section (40) élastomère reliant de manière flexible le premier élément au second élément, et permettant un mouvement latéral entre les deux éléments. La section élastomère comprend une paroi (47) interne formant une partie d'une cavité définie à l'intérieur de l'amortisseur et un fluide (52) amortisseur placé à l'intérieur de la cavité. Une plaque (130) amortisseuse flexible sépare la cavité en une première et seconde chambres (44, 48). Au moins une voie de passage (50) se situe entre la plaque (130) amortisseuse et la paroi (47) interne, la voie de passage (50) présentant un écartement entre la paroi (47) et la plaque (130) amortisseuse. Quand un mouvement latéral a lieu entre le premier et le second éléments (20, 60), l'écartement reste pratiquement constant, par flexion de la plaque (130) amortisseuse dans le sens latéral.

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