Absorber-Type Vibration Damper

Abstract

A tuned mass vibration damper ( 300 ), for example, for a drivetrain of a motor vehicle, for damping a vibration component of a rotational movement, includes at least three damper masses ( 110 ), at least one guide component part ( 130 ) to movably guide the at least three damper masses ( 110 ) such that the damper masses ( 110 ) are arranged so as to be offset along a circumferential direction ( 160 ) perpendicular to an axis of rotation ( 140 ) and can carry out the oscillations, and a damping component part ( 310 ) rotatable around the axis of rotation ( 140 ) of the rotational movement opposite to the at least one guide component part ( 130 ) and which comprises a support structure ( 340 ) and at least two damping structures ( 350 ) connected to the support structure ( 340 ). The damping structures ( 350 ) extend radially from the support structure ( 340 ) and are constructed and arranged such that one damping structure ( 350 ) of the at least two damping structures ( 350 ) when making contact with one of two adjacent damper masses ( 110 ) prevents a contact of the two adjacent damper masses ( 110 ).

1 - 15 . (canceled) 
     
     
         16 . A tuned mass vibration damper ( 300 ) for a drivetrain of a motor vehicle for damping a vibration component of a rotational movement, comprising:
 at least three damper masses ( 110 ) configured to carry out an oscillation depending on the rotational movement to damp the vibration component of the rotational movement;   at least one guide component part ( 130 ) configured to movably guide the at least three damper masses ( 110 ) such that the damper masses ( 110 ) are arranged so as to be offset along a circumferential direction ( 160 ) perpendicular to an axis of rotation ( 140 ) of the rotational movement and;   a damping component part ( 310 ) rotatable around the axis of rotation ( 140 ) of the rotational movement opposite to the at least one guide component part ( 130 ), the damping component part ( 310 ) comprising a support structure ( 340 ) and at least two damping structures ( 350 ) connected to the support structure ( 340 ), the at least two damping structures ( 350 ) extending radially proceeding from the support structure ( 340 ) and being constructed and arranged such that one damping structure ( 350 ) of the at least two damping structures ( 350 ), when making contact with one of two adjacent damper masses ( 110 ), prevents a contact of the two adjacent damper masses ( 110 ) through an elastic deformation, and/or such that, when a damper mass ( 110 ) of the at least three damper masses ( 110 ) makes contact with a damping structure ( 350 ) of the at least two damping structures ( 350 ), the damping component part is rotatable around the axis of rotation ( 140 ) such that a further damping structure ( 350 ) of the at least two damping structures ( 350 ) makes contact with a further damper mass ( 110 ) of the at least three damper masses ( 110 ).   
     
     
         17 . The tuned mass vibration damper ( 300 ) according to  claim 16 , wherein each of the damping structure ( 350 ) of the at least two damping structures ( 350 ) comprises at least one damping portion ( 420 ) constructed and arranged to elastically deform when making contact with at least one of the adjacent damper masses ( 110 ). 
     
     
         18 . The tuned mass vibration damper ( 300 ) according to  claim 17 , wherein a damping structure ( 350 ) of the at least two damping structures ( 350 ) further comprises at least one connection portion ( 440 ) which connects the at least one damping portion ( 420 ) to the support structure ( 340 ). 
     
     
         19 . The tuned mass vibration damper ( 300 ) according to  claim 17 , wherein a damping structure ( 350 ) of the at least two damping structures ( 350 ) comprises a first damping portion ( 420 - 1 ) and a second damping portion ( 420 - 2 ), wherein the first damping portion is configured and arranged to make contact with a first of the at least three damper masses ( 110 ), and wherein the second damping portion is configured and arranged to make contact with a second damper mass of the at least three damper masses ( 110 ) arranged adjacent to the first damper mass ( 110 ). 
     
     
         20 . The tuned mass vibration damper ( 300 ) according to  claim 16 , comprising at least four damper masses ( 110 ) and at least two damping component parts ( 310 ), wherein the damping component parts ( 310 ) are arranged and configured such that each damper mass ( 110 ) can make contact with a damping structure ( 350 ) of a different damping component part ( 310 ) during a movement along a first direction in circumferential direction ( 160 ) than during a movement along a second direction opposite to the first direction. 
     
     
         21 . The tuned mass vibration damper ( 300 ) according to  claim 16 , wherein the support structure ( 340 ) is configured to connect the at least two damping structures ( 350 ) to one another. 
     
     
         22 . The tuned mass vibration damper ( 300 ) according to  claim 16 , wherein the damping component part ( 310 ) is made of a plastic. 
     
     
         23 . The tuned mass vibration damper ( 300 ) according to  claim 16 , wherein the at least two damping structures ( 350 ) have a noise reducing coating in an area in which they make contact with a damper mass ( 110 ) during operation of the tuned mass vibration damper ( 300 ). 
     
     
         24 . The tuned mass vibration damper ( 300 ) according to  claim 16 , wherein the support structure ( 340 ) is configured to support the damping component part ( 310 ) so as to be rotatable relative to the at least one guide component part ( 130 ). 
     
     
         25 . The tuned mass vibration damper ( 300 ) according to  claim 24 , wherein the damping component part ( 310 ) is configured to enable a rotation of the damping component part ( 310 ) relative to the at least one guide component part ( 130 ) by a maximum torsional angle along the circumferential direction ( 160 ) of the rotational movement and to prevent a rotation of the damping component part ( 310 ) relative to the at least one guide component part ( 130 ) by an angle exceeding the maximum torsional angle. 
     
     
         26 . The tuned mass vibration damper ( 300 ) according to  claim 16 , wherein the support structure ( 340 ) is configured to radially guide the damping component part ( 310 ) through at least one guide component part ( 130 ). 
     
     
         27 . The tuned mass vibration damper ( 300 ) according to  claim 26 , wherein the support structure ( 340 ) has an at least partially round outer contour in a plane perpendicular to the axis of rotation ( 140 ), and wherein the at least one guide component part ( 130 ) is configured for radially guiding the damping component part ( 310 ) and comprises, in the plane, an at least partially round outer contour configured to cooperate with the outer contour of the support structure ( 340 ) to carry out the radial guiding. 
     
     
         28 . The tuned mass vibration damper ( 300 ) according to  claim 26 , wherein the support structure ( 340 ) comprises at least one guide structure ( 380 ), and wherein the at least one guide component part ( 130 ) is configured to radially guide the damping component part ( 310 ) and comprises at least one complementary guide structure ( 400 ) configured to engage in the at least one guide structure ( 380 ) so as to radially guide the damping component part ( 310 ). 
     
     
         29 . The tuned mass vibration damper ( 300 ) according to  claim 28 , wherein the at least one guide structure ( 380 ) and the at least one complementary guide structure ( 400 ) are configured to permit a rotation of the damping component part ( 310 ) relative to the at least one guide component part ( 130 ) along a circumferential direction ( 160 ) of the rotational movement by a maximum torsional angle and to prevent a rotation of the damping component part ( 310 ) relative to the at least one guide component part ( 130 ) by an angle exceeding the maximum torsional angle. 
     
     
         30 . The tuned mass vibration damper ( 300 ) according to  claim 16 , wherein the damping component part ( 310 ) is not guided radially. 
     
     
         31 . The tuned mass vibration damper ( 300 ) according to  claim 18 , wherein a damping structure ( 350 ) of the at least two damping structures ( 350 ) comprises a first damping portion ( 420 - 1 ) and a second damping portion ( 420 - 2 ), wherein the first damping portion is configured and arranged to make contact with a first of the at least three damper masses ( 110 ), and wherein the second damping portion is configured and arranged to make contact with a second damper mass of the at least three damper masses ( 110 ) arranged adjacent to the first damper mass ( 110 ). 
     
     
         32 . The tuned mass vibration damper ( 300 ) according to  claim 16 , wherein the damping component part ( 310 ) is made of an injection moldable plastic, and/or is made of a metallic material, so as to form a combination of a metal ring and sprayed-on plastic. 
     
     
         33 . The tuned mass vibration damper ( 300 ) according to  claim 27 , wherein the support structure ( 340 ) comprises at least one guide structure ( 380 ), and wherein the at least one guide component part ( 130 ) is configured to radially guide the damping component part ( 310 ) and comprises at least one complementary guide structure ( 400 ) configured to engage in the at least one guide structure ( 380 ) so as to radially guide the damping component part ( 310 ).