Torsional vibration damper comprising a damping system, a damping device and a ground device

Patent metadata

Field	Value
Publication number	US-10309485-B2
Application number	US-201515302437-A
Country	US
Kind code	B2
Filing date	Mar 20, 2015
Priority date	Apr 15, 2014
Publication date	Jun 4, 2019
Grant date	Jun 4, 2019

Abstract

A torsional vibration damper (70) with a damping device which has an input (67) and an output (72) which is operatively connected to a driven side (73). The output is connected to a mass damper system (1) and also to a mass arrangement (100). One of the two subassemblies—i.e., mass damper system (1) and mass arrangement (100)—which are connected to the output (72) of the damping device (70) engages at the respective other subassembly comprising mass damper system or mass arrangement which is in turn connected to the output by a connection arrangement (77).

First claim

What is claimed is:

1. A torsional vibration damper comprising
a damping device ( 70 ) having an input ( 67 ) and an output ( 72 ) operatively connected to a driven side ( 73 );
a connection arrangement ( 77 );
two subassemblies comprising a mass damper system ( 1 ) and a mass arrangement ( 100 );
said output ( 72 ) of the damping device being connected to said mass damper system ( 1 ) and to said mass arrangement ( 100 ); wherein one of said two subassemblies comprising said mass damper system ( 1 ) and said mass arrangement ( 100 ) which are connected to said output ( 72 ) of said damping device ( 70 ) engages at said respective other subassembly comprising said mass damper system ( 1 ) and said mass arrangement ( 100 ) and wherein said other subassembly is connected to said output ( 72 ) by said connection arrangement ( 77 ); and
wherein said mass damper system ( 1 ) comprises a damper mass carrier ( 3 ) and at least one damper mass ( 7 ) at said damper mass carrier ( 3 ) and said mass arrangement ( 100 ) having at least one holder ( 102 ); wherein said mass arrangement ( 100 ) has a first connection ( 93 ) to said damper mass carrier ( 3 ) of said mass damper system ( 1 ) by said holder ( 102 ), and wherein said damper mass carrier ( 3 ) has a second connection ( 94 ) to said output ( 72 ) by said connection arrangement ( 77 ).

2. The torsional vibration damper according to claim 1 , additionally comprising a torsion damper hub ( 71 ) comprising a radial support ( 97 ) for said damper mass carrier ( 3 ) of said mass damper system ( 1 ); and wherein said output ( 72 ) is connected to said torsion damper hub ( 71 ) serving as the driven side ( 73 ).

3. The torsional vibration damper according to claim 2 , wherein said damper mass carrier ( 3 ) comprises at least one damper mass carrier element ( 5 a ); said radial support ( 97 ) at said torsion damper hub ( 71 ) has a first toothing ( 95 ), and said at least one damper mass carrier element ( 5 a ) has a second toothing ( 96 ) in operative connection with said first toothing ( 95 ), and wherein said first and second toothings ( 95 , 96 ) are held in an axially predetermined position relative to one another by an interference fit ( 134 ) to form said connection arrangement ( 77 ).

4. The torsional vibration damper according to claim 1 , additionally comprising a torsion damper hub ( 71 ) which serves as driven side ( 73 ) and wherein said mass damper system ( 1 ) comprising the damper mass carrier ( 3 ) and at least one damper mass ( 7 ) at said damper mass carrier ( 3 ) and said mass arrangement ( 100 ) having at least one holder ( 102 ); wherein said output ( 72 ) is connected to said torsion damper hub ( 71 ), said torsion damper hub ( 71 ) having a radial support ( 97 ) for said damper mass carrier ( 3 ) of said mass damper system ( 1 ) and for said holder ( 102 ) of said mass arrangement ( 100 ).

5. The torsional vibration damper according to claim 4 , additionally comprising the torsion damper hub ( 71 ) and the damper mass carrier ( 3 ) having at least one damper mass carrier element ( 5 a , 5 b ), and wherein said connection arrangement ( 77 ) comprises a plurality of axially multi-stepped rivets ( 76 ) extending through said torsion damper hub ( 71 ) and through said damper mass carrier element ( 5 a ).

6. The torsional vibration damper according to claim 4 , additionally comprising a hydrodynamic coupling arrangement ( 56 ) having a hydrodynamic circuit ( 60 ) formed at least by an impeller ( 61 ) and a turbine ( 62 ) and having a clutch device ( 64 ) for bypassing the hydrodynamic circuit ( 60 ) in predetermined operating states; wherein said mass arrangement ( 100 ) is formed by said turbine ( 62 ); and said holder ( 102 ) of said mass arrangement ( 100 ) is formed by a turbine base ( 92 ) of said turbine ( 62 ).

7. The torsional vibration damper according to claim 1 , additionally comprising a torsion damper hub ( 71 ) which serves as driven side ( 73 ) and the damper mass carrier ( 3 ) having at least one damper mass carrier element ( 5 a , 5 b ), and wherein said connection arrangement ( 77 ) comprises a plurality of axially multi-stepped rivets ( 76 ) extending through said torsion damper hub ( 71 ) and through said damper mass carrier element ( 5 a ).

8. The torsional vibration damper according to claim 1 , wherein said damping device ( 70 ) comprises an individual damping unit or a plurality of damping units ( 68 , 69 ) of which said respective damping unit ( 68 ) on a drive side ( 18 ) is in operative connection with the respective damping unit ( 69 ) on the driven side ( 73 ) via an intermediate transmission ( 74 ), and wherein said individual damping unit or said at least one damping unit ( 68 , 69 ) of said damping device ( 70 ) comprise a selection of a predetermined combination of energy storages ( 98 ), a configuration of energy storages ( 98 ) for a predetermined load, or a construction of energy storages ( 98 ) with a predetermined coil progression.

9. The torsional vibration damper according to claim 8 , wherein said at least one damping unit ( 68 , 69 ) of said damping device ( 70 ) comprises a plurality of energy storages ( 98 a , 98 b ) which differ from one another with respect to their stiffness or with respect to their extension in an operative direction in order to generate a multi-step characteristic.

10. The torsional vibration damper according to claim 9 , wherein said energy storages ( 98 a , 98 b ) constructed with relatively greater and relatively smaller extension in an operative direction are arranged concentric to one another; and wherein the energy storage ( 98 a ) with the relatively greater extension in extension direction surrounds the energy storage ( 98 b ) with the relatively smaller extension in extension direction.

11. The torsional vibration damper according to claim 8 , wherein said at least one of said damping units ( 68 , 69 ) of said damping device ( 70 ) comprises energy storages ( 98 ) which are configured for partial load with respect to an available torque.

12. The torsional vibration damper according to claim 8 , wherein said at least one of said damping units ( 68 , 69 ) of said damping device ( 70 ) comprises energy storages ( 98 ) having coils ( 99 ) which have in an extension direction at least a portion in which distances of said coils ( 99 ) relative to one another diverge from those distances between the coils ( 99 ) that are provided at other portions of said energy storages ( 98 ).

13. The torsional vibration damper according to claim 1 , additionally comprising a hydrodynamic coupling arrangement ( 56 ) having a hydrodynamic circuit ( 60 ) formed at least by an impeller ( 61 ) and a turbine ( 62 ) and having a clutch device ( 64 ) for bypassing the hydrodynamic circuit ( 60 ) in predetermined operating states; wherein said mass arrangement ( 100 ) is formed by said turbine ( 62 ); and said holder ( 102 ) of said mass arrangement ( 100 ) is formed by a turbine base ( 92 ) of said turbine ( 62 ).

14. The torsional vibration damper according to claim 1 , additionally comprising a radial support ( 97 ) at said torsion damper hub ( 71 ); wherein said damper mass carrier ( 3 ) comprises at least one damper mass carrier element ( 5 a ); said radial support ( 97 ) has a first toothing ( 95 ), and said at least one damper mass carrier element ( 5 a ) has a second toothing ( 96 ) in operative connection with said first toothing ( 95 ), and wherein said first and second toothings ( 95 , 96 ) are held in an axially predetermined position relative to one another by an interference fit ( 134 ) to form said

Assignees

• Zahnradfabrik Friedrichshafen
• Zf Friedrichshaften Ag

Inventors

• Hertel Martin
• Winterstein Michael
• Sudau Jörg

Classifications

• F16H45/02

  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type (control of torque converter lock-up clutches F16H61/14) · CPC title

• F16H2045/0226

  comprising two or more vibration dampers · CPC title

• F16F15/12346

  Set of springs, e.g. springs within springs · CPC title

• F16H2045/0284

  Multiple disk type lock-up clutch · CPC title

• F16H2045/021

  three chamber system, i.e. comprising a separated, closed chamber specially adapted for actuating a lock-up clutch · CPC title