Device for transmitting force

Patent metadata

Field	Value
Publication number	US-9453567-B2
Application number	US-201214110962-A
Country	US
Kind code	B2
Filing date	Apr 18, 2012
Priority date	Apr 19, 2011
Publication date	Sep 27, 2016
Grant date	Sep 27, 2016

Abstract

The invention relates to a device ( 1 ) for transmitting force from an input shaft ( 4 ) connected to a drive assembly ( 2 ) having constant speed to an output shaft ( 6 ) connected to a working machine ( 3 ) having variable speed, comprising: a hydrodynamic transducer ( 20 ); and a differential transmission designed as a planetary gear unit ( 1 ), comprising a ring gear ( 12 ), a sun gear ( 13 ) and a planet carrier ( 14 ) having a plurality of planets ( 15 ) as elements of the planetary gear unit. The invention is characterized in that: the hydrodynamic transducer is designed as a counter-movement transducer; the input shaft is directly connected to a pump impeller ( 7 ) of the hydrodynamic transducer and a first element ( 14 ) of the planetary gear unit; a turbine wheel ( 10 ) of the hydrodynamic transducer is directly connected to a second element ( 13 ) of the planetary gear unit, and the output shaft is connected at least indirectly to a third element of the planetary gear unit.

First claim

The invention claimed is:

1. A device for transmitting force from an input shaft to an output shaft comprising a counterrotating hydrodynamic converter and a transmission comprising a planetary gearing, comprising a ring gear, a sun wheel, and a planet carrier and a plurality of planet gears, the input shaft is directly connected to a pump wheel of the counterrotating hydrodynamic converter and a first element of the planetary gearing, a turbine wheel of the counterrotating hydrodynamic converter is directly connected to a second element of the planetary gearing, and the output shaft is connected to a third element of the planetary gearing; wherein the first element is the planet carrier of the planetary gearing, the second element is the sun wheel of the planetary gearing, and the third element is the ring gear of the planetary gearing.

2. The device according to claim 1 , wherein precisely one planetary gearing is provided.

3. The device according to claim 1 , further comprising a work machine and a gearing between the planetary gearing and the work machine.

4. The device according to claim 1 , wherein the turbine wheel is connected via a hollow shaft to the sun wheel, and the input shaft, extending through the hollow shaft, is connected, on a side of the planetary gearing facing away from the counterrotating hydrodynamic converter, to the planet carrier.

5. The device according to claim 1 , wherein the ring gear is directly connected, on a side of the planetary gearing facing away from the counterrotating hydrodynamic converter, to the output shaft.

6. The device according to claim 1 , wherein the ring gear, the planet gears and the sun wheel are embodied as singly helically geared.

7. The device according to claim 1 , further comprising a drive assembly having a constant speed, the input shaft connected at least indirectly to the drive assembly, the drive assembly comprising an electric motor.

8. The device according to claim 1 , further comprising a work machine having a variable speed, the output shaft connected at least indirectly to the work machine, the work machine comprising a conveyor apparatus for a fluid comprising one of a compressor, a pump, and a centrifugal pump.

9. The device according to claim 2 , further comprising a work machine and a gearing between the planetary gearing and the work machine.

10. The device according to claim 2 , wherein the turbine wheel is connected via a hollow shaft to the sun wheel, and the input shaft, extending through the hollow shaft, is connected, on a side of the planetary gearing facing away from the counterrotating hydrodynamic converter, to the planet carrier.

11. The device according to claim 3 , wherein the turbine wheel is connected via a hollow shaft to the sun wheel, and the input shaft, extending through the hollow shaft is connected, on a side of the planetary gearing facing away from the counterrotating hydrodynamic converter, to the planet carrier.

12. The device according to claim 2 , wherein the ring gear is at least indirectly connected, on a side of the planetary gearing facing away from the counterrotating hydrodynamic converter, to the output shaft.

13. The device according to claim 3 , wherein the ring gear is at least indirectly connected, on a side of the planetary gearing facing away from the counterrotating hydrodynamic converter, to the output shaft.

14. The device according to claim 4 , wherein the ring gear is at least indirectly connected, on a side of the planetary gearing facing away from the counterrotating hydrodynamic converter, to the output shaft.

15. The device according to claim 2 , wherein the ring gear, the planet gears, and the sun wheel are embodied as singly helically geared.

16. The device according to claim 3 , wherein the ring gear, the planet gears, and the sun wheel are embodied as singly helically geared.

17. The device according to claim 4 , wherein the ring gear, the planet gears, and the sun wheel are embodied as singly helically geared.

18. The device according to claim 5 , wherein the ring gear, the planet gears, and the sun wheel are embodied as singly helically geared.

19. The device according to claim 2 , further comprising a drive assembly having a constant speed, the input shaft connected at least indirectly to the drive assembly, the drive assembly comprising an electric motor.

20. The device according to claim 3 , further comprising a drive assembly having a constant speed, the input shaft connected at least indirectly to the drive assembly, the drive assembly comprising an electric motor.

Assignees

• Graf Hartmut
• Voith Patent Gmbh

Inventors

• Graf Hartmut

Classifications

• F16H47/06

  the fluid gearing being of the hydrokinetic type · CPC title

• F16H47/085 Primary

  with at least two mechanical connections between the hydrokinetic gearing and the mechanical gearing · CPC title

• F16H47/08 Primary

  the mechanical gearing being of the type with members having orbital motion · CPC title

• F16H2037/088

  Power-split transmissions with summing differentials, with the input of the CVT connected or connectable to the input shaft · CPC title

• F16H41/24 Primary

  Details · CPC title