Torsional and translational vibration removing device

F - Mech Eng,Light,Heat,Weapons – 16 – F

Patent

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Details

F16F 15/36 (2006.01) F16F 15/14 (2006.01) F16F 15/173 (2006.01)

Patent

CA 2251960

A torsional and translational vibrational removing device (34) or balancer includes the combination of at least one annular torsional vibration damping mass (42) and a plurality of translational vibration compensating masses (50). The annular torsional vibration damping mass (42) can be positioned within an annular groove (46) in a housing so as to be capable of freely rotating during rotation of the balancer (34). The annular torsional vibration damping mass (42) can also be provided with an annular groove (46) that receives the translational vibration compensating masses (50). The compensating masses (50) are free to rotate within the annular groove (46) in the torsional vibration damping mass (42) so that during rotation of the balancer (34), the compensating masses (50) move within the annular groove (46) of the damping mass (42) to assume a position which reduces translational vibration while the torsional vibration damping mass (50) rotates to reduce torsional vibration.

Cette invention se rapporte à un dispositif (34) d'élimination des vibrations de torsion et de translation ou équilibreur, qui comprend, en association, au moins une masse (42) d'amortissement des vibrations de torsion annulaire et plusieurs masses (50) de compensation des vibrations de translation. La masse (42) d'amortissement des vibrations de torsion annulaire peut être placée dans une rainure annulaire (46) ménagée dans un logement, de façon à pouvoir tourner librement pendant la rotation de l'équilibreur (34). La masse (42) d'amortissement des vibrations de torsion annulaire peut également être pourvue d'une rainure annulaire (46), dans laquelle viennent se loger les masses (50) de compensation des vibrations de translation. Ces masses de compensation (50) peuvent tourner librement dans la rainure annulaire (46) de la masse (42) d'amortissement des vibrations de torsion, pour que, durant la rotation du dispositif équilibreur (34), ces masses de compensation (50) se déplacent dans la rainure annulaire (46) de la masse d'amortissement (42) de façon à occuper une position qui réduit les vibrations de translation, pendant que la masse (42) d'amortissement des vibrations de torsion tourne de façon à réduire les vibrations de torsion.

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