Clutch with wear compensation mechanism and motor vehicle having such a clutch

Patent metadata

Field	Value
Publication number	US-10378998-B2
Application number	US-201715602271-A
Country	US
Kind code	B2
Filing date	May 23, 2017
Priority date	Jun 7, 2016
Publication date	Aug 13, 2019
Grant date	Aug 13, 2019

Abstract

A clutch for a motor vehicle with a wear compensation mechanism which includes a sensor element for detecting wear, wherein the sensor element is formed of a plurality of parts, and at least two sensor component parts are rotatably connected to one another.

First claim

What is claimed is:

1. A clutch ( 4 ) for a motor vehicle ( 1 ) comprising:
a wear compensation mechanism ( 14 ) comprising a sensor element ( 16 ) for detecting wear, the sensor element ( 16 ) is formed of a plurality of sensor component parts; wherein at least two sensor component parts ( 22 , 24 ) are rotatably connected to one another;
wherein the sensor component parts ( 22 , 24 ) form a knee lever ( 32 ) having a knee ( 34 ); and additionally comprising a displaceable ramp ( 44 ) arranged at the sensor surface of the sensor element ( 16 ).

2. The clutch according to claim 1 , wherein the sensor element ( 16 ) has two sensor component parts ( 22 , 24 ).

3. The clutch according to claim 1 , additionally comprising a clutch housing ( 5 ) and wherein the knee ( 34 ) of the knee lever ( 32 ) faces in the direction of the clutch housing ( 5 ).

4. The clutch according to claim 1 , wherein the knee lever ( 32 ) comprises a base 34 a , 34 b facing in direction of a pressure plate ( 7 ).

5. The clutch according to claim 1 , wherein the sensor component parts ( 22 , 24 ) are constructed in a bar-shaped or plate-shaped manner.

6. The clutch according to claim 1 , wherein one sensor component part ( 22 ) of the two sensor component parts ( 22 , 24 ) is fastened to a pressure plate ( 7 ) of the clutch ( 4 ).

7. The clutch according to claim 1 , wherein two sensor component parts ( 22 , 24 ) are loaded by pretensioning.

8. The clutch according to claim 1 , wherein the wear compensation mechanism ( 14 ) comprises two oppositely running ramp arrangements ( 38 ).

9. The clutch according to claim 1 , wherein the sensor element ( 16 ) senses a change in the distance between a pressure plate ( 7 ) and a diaphragm spring ( 6 ).

10. The clutch according to claim 1 , additionally comprising a guide rail ( 26 ) for guiding the sensor element ( 16 ), the guide rail being arranged at a pressure plate ( 7 ) of the clutch ( 4 ).

11. The clutch according to claim 1 , additionally comprising at least one element ( 38 ) compensating for wear and a drive element ( 36 ) for displacing the at least one element ( 38 ); the drive element ( 36 ) being fastened to a sensor component part ( 24 ).

12. The clutch according to claim 11 , wherein the drive element ( 36 ) is rotatably fastened to the sensor component part ( 24 ).

13. A motor vehicle ( 1 ) having a clutch ( 4 ) comprising:
a wear compensation mechanism ( 14 ) comprising a sensor element ( 16 ) for detecting wear, the sensor element ( 16 ) is formed of a plurality of sensor component parts; wherein at least two sensor component parts ( 22 , 24 ) are rotatably connected to one another;
wherein the sensor component parts ( 22 , 24 ) form a knee lever ( 32 ) having a knee ( 34 ); and additionally comprising a displaceable ramp ( 44 ) arranged at the sensor surface of the sensor element ( 16 ).

Assignees

• Zahnradfabrik Friedrichshafen

Inventors

• Walter Andreas
• Schmedding Christian

Classifications

• G01M13/022 Primary

  Power-transmitting couplings or clutches · CPC title

• F16D13/583

  Diaphragm-springs, e.g. Belleville (co-operation with a disengaging thrust ring or bearing F16D23/14) · CPC title

• F16D13/70

  Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members {(clutch flywheels comprising two or more masses with a rotational damper F16F15/12)} · CPC title

• F16D13/757 Primary

  the adjusting device being located on or inside the clutch cover, e.g. acting on the diaphragm or on the pressure plate · CPC title

• F16D2300/18

  Sensors; Details or arrangements thereof · CPC title