Method and device for filtering and damping vibrations

Details Method and device for filtering and damping vibrations Method and device for filtering and damping vibrations

F - Mech Eng,Light,Heat,Weapons

16

F

F16F 13/04 (2006.01) F16F 15/02 (2006.01)

Patent

CA 2534150

The invention concerns a method and device for filtering and damping vibrations between a first element (2) subjected to an incident vibratory wave and a second element radiating a filtered vibratory wave. Said device comprises a vibratory energy transfer interface consisting of an elastic component (1) and a dissipative component (7) attached in parallel to the elastic component, to ensure filtering and damping or the incident vibratory wave. The dissipative component (7) consists of two separate rigid frames (4, 5) for punctually or continuously deflecting, optionally, through a lever arm effect, amplifying the vibratory energies generated by the elastic components (1) towards a dissipative material (6) interposed between them, said dissipative component (7) providing a damping of the elastic component (1).

L'invention concerne un dispositif de filtrage et d'atténuation des vibrations entre un premier élément 2 soumis à une onde vibratoire incidente et un second élément 3 rayonnant une onde vibratoire filtrée. Il comprend une structure d'interface de transfert d'énergie vibratoire constituée d'un composant élastique 1 et d'un composant dissipatif 7 fixé en parallèle du composant élastique, pour assurer une filtration et une atténuation de l'onde vibratoire incidente. Le composant dissipatif 7 est constitué de deux armatures rigides distinctes 4, 5 permettant d'assurer, ponctuellement ou continûment, des fonctions de déviation, éventuellement, par un effet de bras de levier, d~amplification des énergies vibratoires engendrées par les composants élastiques 1 vers un matériau dissipatif 6 interposé entre elles, ledit composant dissipatif 7 apportant un amortissement du composant élastique 1.

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