Method for attenuating driveline vibrations

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

Patent

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F16C 3/00 (2006.01) B21K 3/00 (2006.01)

Patent

CA 2643511

A method for attenuating vibration in a driveline having a shaft assembly that transmits torque between first and second driveline components. The shaft assembly can have a hollow shaft member and at least one liner. The liner has a mass and a stiffness that are tuned such that the liner is a tuned resistive absorber for attenuating shell mode vibrations as well as at least one of a tuned reactive absorber for attenuating bending mode vibrations and a tuned reactive absorber for attenuating torsion mode vibrations. The tuned liner is inserted into the shaft member.

La présente invention concerne un procédé pour atténuer une vibration dans une chaîne cinématique ayant un ensemble d'arbre qui transmet un couple entre un premier et un second composant de chaîne cinématique. L'ensemble d'arbre peut avoir un élément d'arbre creux et au moins une chemise. La chemise a une masse et une rigidité réglées de façon à ce que la chemise soit un absorbant résistant réglé pour atténuer les vibrations en mode enveloppant ainsi qu'au moins un absorbant réactif réglé pour atténuer les vibrations en mode de flexion et un absorbant réactif réglé pour atténuer les vibrations en mode de torsion. La chemise réglée est insérée dans l'élément d'arbre.

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