USRE49270EActiveUtility

Force transmission device in particular for power transmission between a drive engine and an output

51
Assignee: SCHAEFFLER TECHNOLOGIES AGPriority: Nov 29, 2007Filed: Dec 22, 2017Granted: Nov 1, 2022
Est. expiryNov 29, 2027(~1.4 yrs left)· nominal 20-yr term from priority
Y10T74/2121Y10T74/2131F16H 2045/0231F16H 2045/0247F16H 2045/0263F16F 15/145F16H 2045/021F16H 2045/0284
51
PatentIndex Score
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Cited by
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References
58
Claims

Abstract

A force transmission device, in particular or power transmission between a drive engine and an output, comprising a damper assembly with at least two dampers, which can be connected in series, and a rotational speed adaptive absorber, wherein the rotational speed adaptive tuned mass damper is disposed between the dampers at least in one force flow direction through the force transmission device.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
      
       1. A force transmission device for power transmission between a drive engine and an output, comprising: 
       
         a damper assembly with first and second dampers, which can be connected in series; and 
         a rotational speed adaptive absorber, 
         wherein the rotational speed adaptive absorber is disposed between the first and second dampers at least in one force flow direction through a force transmission device, 
         wherein each of the first and second dampers includes a primary component and a secondary component, and 
         wherein the primary component of the second damper is connected torque proof with the secondary component of the first damper. 
       
      
     
     
      
       2. The force transmission device according to  claim 1 , comprising: 
       
         a hydrodynamic component with at least one primary shell functioning as a pump shell (P) and a secondary shell functioning as a turbine shell (T), forming an operating cavity (AR) with one another, 
         wherein the turbine shell (T) is connected at least indirectly torque proof with an output (A) of the force transmission device, and a coupling is performed through at least one of the first and second dampers of the damper assembly, and 
         wherein the rotational speed adaptive absorber is connected at least indirectly torque proof with the secondary shell. 
       
      
     
     
      
       3. The force transmission device according to  claim 2 , wherein the rotational speed adaptive absorber is connected directly torque proof with the secondary shell (SR). 
      
     
     
      
       4. The force transmission device according to  claim 2 , wherein 
       
         the rotational speed adaptive absorber is connected with an element of the damper assembly, and 
         the element is connected torque proof with the secondary shell of the hydrodynamic component. 
       
      
     
     
      
       5. The force transmission device according to  claim 4 , wherein 
       
         the rotational speed adaptive absorber is connected with an element of a damper of the damper assembly, and 
         the element is connected directly torque proof with the secondary shell of the hydrodynamic component. 
       
      
     
     
      
       6. The force transmission device according to  claim 4 , wherein 
       
         the rotational speed adaptive absorber is coupled with an element of a damper, 
         the element of the damper is connected with an element of another damper of the damper assembly, and 
         the element of the another damper is directly connected with the secondary shell of the hydrodynamic component. 
       
      
     
     
      
       7. The force transmission device according to  claim 2 , wherein the hydrodynamic component is configured as a hydrodynamic speed-/torque converter comprising at least one stator shell (L). 
      
     
     
      
       8. The force transmission device according to  claim 2 , wherein the hydrodynamic component is configured as a hydrodynamic clutch without a stator shell (L). 
      
     
     
      
       9. The force transmission device according to  claim 1 , comprising: 
       
         a device for at least partially bridging the power transmission through the hydrodynamic component, 
         wherein the device is connected with an output (A) of the force transmission device through at least one damper of the damper assembly. 
       
      
     
     
      
       10. The force transmission device according to  claim 1 , wherein the damper assembly is disposed in a force flow between an input (E) and the output (A) in series with a hydrodynamic component and a device for bridging the hydrodynamic component. 
      
     
     
      
       11. The force transmission device according to  claim 1 , wherein the damper assembly is configured to be disposed in the force flow at least in series with a hydrodynamic component. 
      
     
     
      
       12. The force transmission device according to  claim 11 , wherein the respective other component, the device or the hydrodynamic component is coupled to the damper assembly through the connection of the first and second dampers. 
      
     
     
      
       13. The force transmission device according to  claim 1 , wherein the damper assembly is configured to be disposed in the force flow at least in series with a device for bridging a hydrodynamic component. 
      
     
     
      
       14. The force transmission device according to  claim 1 , wherein the first and second dampers of the damper assembly are configured as series or parallel dampers, comprising damper component assemblies. 
      
     
     
      
       15. The force transmission device according to  claim 14 , wherein the damper component assemblies of a damper are disposed on a common diameter. 
      
     
     
      
       16. The force transmission device according to  claim 14 , wherein the damper component assemblies of a damper are disposed on different diameters. 
      
     
     
      
       17. The force transmission device according to  claim 1 , wherein at least one of the first and second dampers is configured as a single damper. 
      
     
     
      
       18. The force transmission device according to  claim 17 , wherein the first and second dampers are disposed offset to one another in radial direction. 
      
     
     
      
       19. The force transmission device according to  claim 1 , wherein the first and second dampers are disposed offset relative to one another in axial direction. 
      
     
     
      
       20. The force transmission device according to  claim 1 , wherein the rotational speed adaptive absorber is configured as centrifugal force pendulum device, comprising at least one inertial mass support device and at least one inertial mass, which are supported at the inertial mass support device, movable relative thereto in radial direction. so that they can perform a pendulum type motion. 
      
     
     
      
       21. The force transmission device according to  claim 1 , wherein the rotational speed adaptive absorber is disposed and viewed in axial direction, spatially between an input (E) and the output (A) of the force transmission device, between the damper assembly and a hydrodynamic component. 
      
     
     
      
       22. The force transmission device according to  claim 1 , wherein the rotational speed adaptive absorber is disposed in axial direction spatially between the first and second dampers. 
      
     
     
      
       23. The force transmission device according to  claim 1 , wherein the rotational speed adaptive absorber is disposed in axial direction spatially between an input (E) and the output (A) of the force transmission device in front of the first and second dampers of the damper assembly. 
      
     
     
      
       24. The force transmission device according to  claim 1 , wherein inertial masses are disposed in radial direction in a portion of an extension of the damper assembly. 
      
     
     
       25. The force transmission device according to  claim 1 ,
 wherein each of the first and second dampers comprise at least one primary component and one secondary component, and 
 wherein the primary component or the secondary component are formed either by a flange element, or by drive disks disposed on both sides of the flange elements, are disposed coaxially relative to one another, are rotatable relative to one another in circumferential direction, and are coupled with one another through torque transmission devices and damping coupling devices. 
 
     
     
      
       26. The force transmission device according to  claim 1 , wherein components of the absorber form an integral unit with components of a connection element, in particular of a damper of the damper assembly or with a secondary shell, or are integrally configured therewith. 
      
     
     
      
       27. The force transmission device according to  claim 1 , wherein a damper of the damper assembly is configured as a mechanical damper. 
      
     
     
      
       28. The force transmission device according to  claim 1 , wherein a damper of the damper assembly is configured as a combined mechanical hydraulic damper. 
      
     
     
      
       29. The force transmission device according to  claim 1 , 
       
         wherein the rotational speed adaptive absorber is configured for an order of an excitation of a drive unit, in particular the drive engine, and 
         wherein a centrifugal force influence upon a particular inertial mass, which is reduced by a centrifugal oil pressure, is considered by configuring it for an order that is higher by >0.05 to 0.5 than without the centrifugal oil pressure. 
       
      
     
     
       30. A force transmission device for power transmission between a drive engine and a transmission input shaft, comprising:
 an output connected to the transmission input shaft;   a damper assembly that includes first and second dampers connected in series; and   a rotational speed adaptive absorber,   wherein the rotational speed adaptive absorber is disposed between the first and second dampers at least in one force flow direction through the force transmission device,   wherein a resonance frequency of the rotational speed adaptive absorber is proportional to a rotational speed of the drive engine,   wherein each of the first and second dampers includes an elastic element, a primary component, and a secondary component,   wherein the primary component of the second damper is connected torque proof with the secondary component of the first damper,   wherein the elastic element of the first damper is offset from the elastic element of the second damper in a direction of the rotational axis of the force transmission device,   wherein the rotational speed adaptive absorber includes pairs of inertial masses, is connected torque proof with the secondary component of the first damper, and is integral with a component of the second damper,   wherein the rotational speed adaptive absorber further includes an inertial mass support device to which the pairs of inertial masses are connected,   wherein proximal ends of at least one pair of inertial masses of the pairs of inertial masses are more proximal to the rotational axis of the force transmission device, in radial direction, than a center of the elastic element of the first damper, when viewed in a cross-section along the rotational axis of the force transmission device,   wherein the pairs of inertial masses are movable with respect to the inertial mass support device, and   wherein the primary component of the second damper receives a dampened rotational force from the secondary component of the first damper.   
     
     
       31. The force transmission device according to claim 30, wherein the secondary component of the first damper and the primary component of the second damper form an integral unit. 
     
     
       32. The force transmission device according to claim 30, wherein the inertial mass support device has an annular disc shape, and
 wherein inertial masses of each pair of inertial masses are disposed on different sides of the inertial mass support device.   
     
     
       33. The force transmission device according to claim 30,
 wherein the output of the force transmission device is a hub configured to connect the force transmission device to the transmission input shaft, and   wherein the secondary component of the second damper is configured to transfer a dampened rotational force that has been dampened by the first damper, the second damper, and the rotational speed adaptive absorber to the hub.   
     
     
       34. The force transmission device according to claim 30, wherein the elastic element of each of the first damper and the second damper comprises a spring. 
     
     
       35. The force transmission device according to claim 34, wherein distal ends of at least one pair of inertial masses are more distal to the rotational axis of the force transmission device, in a radial direction, than a distal end of the elastic element of the first damper when viewed in a cross-section along the rotational axis of the force transmission device. 
     
     
       36. The force transmission device according to claim 30, wherein the primary component of the first damper is configured as a disc shaped element and the secondary component of the second damper is configured as a disc shaped element. 
     
     
       37. The force transmission device according to claim 30, further comprising a turbine shell, wherein the primary component of the second damper is connected torque proof with the turbine shell. 
     
     
       38. A force transmission device for power transmission between a drive engine and a transmission input shaft, comprising:
 an output connected to the transmission input shaft;   a damper assembly that includes first and second dampers connected in series; and   a rotational speed adaptive absorber,   wherein the rotational speed adaptive absorber is disposed between the first and second dampers at least in one force flow direction through the force transmission device,   wherein a resonance frequency of the rotational speed adaptive absorber is proportional to a rotational speed of the drive engine,   wherein each of the first and second dampers includes an elastic element, a primary component, and a secondary component,   wherein the primary component of the second damper and the secondary component of the first damper form an integral unit,   wherein the elastic element of the first damper is offset from the elastic element of the second damper in a direction of the rotational axis of the force transmission device,   wherein the primary component of the second damper receives a dampened rotational force from the secondary component of the first damper,   wherein the rotational speed adaptive absorber includes a plurality of inertial masses, each configured to perform pendulum type motion,   wherein the rotational speed adaptive absorber further includes an inertial mass support device to which the plurality of inertial masses are connected,   wherein a proximal end of at least one of the plurality of inertial masses is more proximal to the rotational axis of the force transmission device, in a radial direction, than a center of the elastic element of the first damper, when viewed in a cross-section along the rotational axis of the force transmission device,   wherein the inertial masses are movable relative to the inertial mass support device to perform the pendulum type motion, and   wherein the rotational speed adaptive absorber is connected torque proof with the integral unit that forms the primary component of the second damper and the secondary component of the first damper.   
     
     
       39. The force transmission device according to claim 38, wherein the torque proof connection between the integral unit and the rotational speed adaptive absorber is provided by a cylindrical shaped element. 
     
     
       40. The force transmission device according to claim 38,
 wherein the output of the force transmission device is a hub configured to connect the force transmission device to the transmission input shaft, and   wherein the secondary component of the second damper is configured to transfer a dampened rotational force that has been dampened by the first damper, the second damper, and the rotational speed adaptive absorber to the hub.   
     
     
       41. The force transmission device according to claim 38,
 wherein the inertial mass support device has an annular disc shape, and   wherein the plurality of inertial masses include inertial masses disposed on one side of the inertial mass support device and inertial masses disposed on the other side of the inertial mass support device.   
     
     
       42. The force transmission device according to claim 41, wherein the elastic element of the first damper is a first spring, and the elastic element of the second damper is a second spring. 
     
     
       43. The force transmission device according to claim 42, wherein the plurality of inertial masses are disposed at a greater distance, in a radial direction extending from a rotational axis of the force transmission device, than the first spring. 
     
     
       44. The force transmission device according to claim 43, wherein the plurality of inertial masses are disposed at a greater distance, in a radial direction extending from a rotational axis of the force transmission device, than the second spring. 
     
     
       45. The force transmission device according to claim 42, wherein the primary component of the first damper is configured as a disc shaped element and the secondary component of the second damper is configured as a disc shaped element. 
     
     
       46. A force transmission device for power transmission between a drive engine and a transmission input shaft, comprising:
 an output connected to the transmission input shaft;   a damper assembly that includes first and second dampers connected in series; and   a rotational speed adaptive absorber,   wherein the rotational speed adaptive absorber is disposed between the first and second dampers at least in one force flow direction through the force transmission device,   wherein a resonance frequency of the rotational speed adaptive absorber is proportional to a rotational speed of the drive engine,   wherein each of the first and second dampers includes an elastic element, a primary component, and a secondary component,   wherein the primary component of the second damper is connected torque proof with the secondary component of the first damper,   wherein the elastic element of the first damper is offset from the elastic element of the second damper in a direction of the rotational axis of the force transmission device,   wherein the rotational speed adaptive absorber includes four pairs of inertial masses and is connected torque proof with the secondary component of the first damper and the primary component of the second damper,   wherein each of the plurality of inertial masses is configured to perform pendulum type motion,   wherein proximal ends of at least one pair of inertial masses of the four pairs of inertial masses are more proximal to the rotational axis of the force transmission device, in radial direction, than a center of the elastic element of the first damper, when viewed in a cross-section along the rotational axis of the force transmission device,   wherein the force transmission device is arranged such that, when operated, the pairs of inertial masses are influenced by centrifugal oil pressure force, and   wherein the rotational speed adaptive absorber is tuned higher by >0.05 to 0.5 as compared to tuning for an order of an excitation of the drive engine in the absence of centrifugal oil pressure.   
     
     
       47. The force transmission device according to claim 46, wherein the secondary component of the first damper and the primary component of the second damper form an integral unit. 
     
     
       48. The force transmission device according to claim 47, wherein the integral unit is connected torque proof to the rotational speed adaptive absorber. 
     
     
       49. The force transmission device according to claim 48, wherein the integral unit is connected torque proof to the rotational speed adaptive absorber using a cylindrical shaped element. 
     
     
       50. The force transmission device according to claim 48, wherein the rotational speed adaptive absorber further includes an inertial mass support device to which the four pairs of inertial masses are connected. 
     
     
       51. The force transmission device according to claim 48,
 wherein the output of the force transmission device is a hub configured to connect the force transmission device to the transmission input shaft, and   wherein the secondary component of the second damper is configured to transfer a dampened rotational force that has been dampened by the first damper, the second damper, and the rotational speed adaptive absorber to the hub.   
     
     
       52. The force transmission device according to claim 48,
 wherein the elastic element of the first damper is a first spring, and the elastic element of the second damper is a second spring, and   wherein the four pairs of inertial masses are disposed at a greater distance, in a radial direction extending from a rotational axis of the force transmission device, than the first spring and the second spring.   
     
     
       53. The force transmission device according to claim 52, wherein the primary component of the first damper is configured as a disc shaped element and the secondary component of the second damper is configured as a disc shaped element. 
     
     
       54. A force transmission device for power transmission between a drive engine and a transmission input shaft, comprising:
 an output;   a damper assembly that includes first and second dampers connected in series;   a rotational speed adaptive absorber comprising four pairs of inertial masses; and   a hydrodynamic component with at least one primary shell functioning as a pump shell (P) and a secondary shell functioning as a turbine shell (T), forming an operating cavity (AR) with one another,   wherein the rotational speed adaptive absorber includes an inertial mass support device to which the pairs of inertial masses are connected,   wherein the rotational speed adaptive absorber is connected torque proof with the secondary shell via the inertial mass support device,   wherein the rotational speed adaptive absorber is disposed between the first and second dampers at least in one force flow direction through the force transmission device,   wherein a resonance frequency of the rotational speed adaptive absorber is proportional to a rotational speed of the drive engine,   wherein each of the first and second dampers includes an elastic element, a primary component, and a secondary component,   wherein the elastic element of the first damper is offset from the elastic element of the second damper in a direction of the rotational axis of the force transmission device,   wherein the primary component of the second damper is connected torque proof with the secondary component of the first damper,   wherein the turbine shell (T) is connected torque proof with the primary component of the second damper,   wherein proximal ends of at least one pair of inertial masses of the four pairs of inertial masses are more proximal to the rotational axis of the force transmission device, in radial direction, than a center of the elastic element of the first damper, when viewed in a cross-section along the rotational axis of the force transmission device,   wherein the rotational speed adaptive absorber is connected torque proof with the secondary component of the first damper and the primary component of the second damper, and   wherein each of the plurality of inertial masses is configured to perform pendulum type motion.   
     
     
       55. The force transmission device according to claim 54, wherein the secondary component of the first damper and the primary component of the second damper form an integral unit. 
     
     
       56. The force transmission device according to claim 55, wherein the elastic element of the first damper is a first spring, and the elastic element of the second damper is a second spring. 
     
     
       57. The force transmission device according to claim 56, wherein the four pairs of inertial masses are disposed at a greater distance, in a radial direction extending from a rotational axis of the force transmission device, than the first and second springs. 
     
     
       58. The force transmission device according to claim 57, wherein the primary component of the first damper is configured as a disc shaped element and the secondary component of the second damper is configured as a disc shaped element.

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