Turbine torsional vibration damper, and converter and torque transmission device

Patent metadata

Field	Value
Publication number	US-10180176-B2
Application number	US-201414907175-A
Country	US
Kind code	B2
Filing date	Jul 14, 2014
Priority date	Jul 26, 2013
Publication date	Jan 15, 2019
Grant date	Jan 15, 2019

Abstract

A turbine torsional vibration damper, in particular a simple torsional vibration damper, for a vehicle, preferably for a drivetrain of a motor vehicle, having a damper part for introducing a torque into the turbine torsional vibration damper and a damper part for extracting the torque from the torsional vibration damper, wherein a pendulum mass flange of a centrifugal pendulum device is rigidly coupled mechanically with a damper part of the turbine torsional vibration damper. A converter or a torque transmission device for a vehicle, in particular for a drivetrain of a motor vehicle, wherein the converter or torque transmission device has a turbine torsional vibration damper according to the invention.

First claim

What is claimed is:

1. A turbine torsional vibration damper for a drivetrain of a motor vehicle, comprising:
an energy storage element;
a piston plate extending radially outward past the energy storage element;
a damper input part non-rotatably connected to the piston plate and connected to the energy storage element;
a damper output part connected to the energy storage element; and,
a centrifugal pendulum device, including:
a pendulum mass flange non-rotatably connected to the damper output part, wherein the pendulum mass flange is coupled with the damper output part on an input side of the energy storage element; and,
one or more pendulum masses arranged radially outward of the energy storage element.

2. The turbine torsional vibration damper recited in claim 1 , wherein the pendulum mass flange and the damper output part are one integral component.

3. The turbine torsional vibration damper recited in claim 1 , wherein the centrifugal pendulum device is received comparatively centrally within the turbine torsional vibration damper, the centrifugal pendulum device being provided essentially within an axial external dimension of the turbine torsional vibration damper on/in the turbine torsional vibration damper, or the centrifugal pendulum device is provided essentially within an axial external dimension of the energy storage element of the turbine torsional vibration damper on/in the turbine torsional vibration damper.

4. The turbine torsional vibration damper recited in claim 3 , wherein the centrifugal pendulum device is arranged at least partially offset in an axial direction in relation to the energy storage element.

5. The turbine torsional vibration damper recited in claim 3 , wherein the centrifugal pendulum device and the energy storage element are at least partially aligned in an axial direction.

6. The turbine torsional vibration damper recited in claim 3 , wherein the centrifugal pendulum device is arranged axially and radially offset in relation to the energy storage element.

7. The turbine torsional vibration damper recited in claim 1 , wherein the pendulum mass flange is non-rotatably connected to:
a turbine wheel of a hydrodynamic torque converter; and,
a retainer.

8. The turbine torsional vibration damper recited in claim 7 , wherein the pendulum mass flange and/or the damper output part is or are fixed on the turbine wheel, or the pendulum mass flange and/or the damper output part is or are non-rotatably connected to the turbine wheel by means of a plug connection or toothing.

9. The turbine torsional vibration damper recited in claim 1 , further comprising a retainer non-rotatably connected to the piston plate.

10. The turbine torsional vibration damper recited in claim 1 , further comprising a retainer non-rotatably connected to the damper output part.

11. The turbine torsional vibration damper recited in claim 1 , wherein the one or more pendulum masses are preferably designed as a single or dual mass.

12. The turbine torsional vibration damper recited in claim 1 , wherein the centrifugal pendulum device is arranged as a trapezoidal centrifugal pendulum device.

13. The turbine torsional vibration damper recited in claim 1 , wherein the pendulum mass flange is connected to the damper output part by one of a weld, a fastening means, a rivet, a screw, a plug connection, and toothing.

14. The turbine torsional vibration damper recited in claim 1 , wherein the turbine torsional vibration damper includes a bow spring retainer non-rotatably connected to the damper output part.

15. The turbine torsional vibration damper recited in claim 1 , wherein the turbine torsional vibration damper includes a linear spring retainer non-rotatably connected to the damper output part.

16. The turbine torsional vibration damper recited in claim 1 , wherein the damper output part is directly connected to the energy storage element.

17. A turbine torsional vibration damper for a drivetrain of a motor vehicle, comprising:
an energy storage element;
a piston plate extending radially outward past the energy storage element;
a damper input part non-rotatably connected to the piston plate and connected to the energy storage element;
a retainer non-rotatably connected to the piston plate, the retainer being separate from and non-integral to the damper input part;
a damper output part connected to the energy storage element; and,
a centrifugal pendulum device, including:
a pendulum mass flange non-rotatably connected to the damper output part; and,
one or more pendulum masses arranged radially outward of the energy storage element.

18. A turbine torsional vibration damper for a drivetrain of a motor vehicle, comprising:
an energy storage element;
a piston plate extending radially outward past the energy storage element;
a damper input part non-rotatably connected to the piston plate and connected to the energy storage element;
a damper output part directly connected to the energy storage element;
a retainer non-rotatably connected to the damper output part; and,
a centrifugal pendulum device, including:
a pendulum mass flange non-rotatably connected to the damper output part; and,
one or more pendulum masses arranged radially outward of the energy storage element.

Assignees

• Schaeffler Technologies Ag
• Schaffler Tech Ag & Co Kg

Inventors

• Dinger Christian
• Hoffmann Jan
• Huegel Christian

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

• F16H2045/0263

  the damper comprising a pendulum · CPC title

• F16F15/145 Primary

  Masses mounted with play with respect to driving means thus enabling free movement over a limited range · CPC title

• F16D3/12

  specially adapted for accumulation of energy to absorb shocks or vibration (by making use of fluid elements F16D3/80) · CPC title

• F16H2045/0205

  two chamber system, i.e. without a separated, closed chamber specially adapted for actuating a lock-up clutch · CPC title