Clutch device

Patent metadata

Field	Value
Publication number	US-9541138-B2
Application number	US-201314648318-A
Country	US
Kind code	B2
Filing date	Dec 12, 2013
Priority date	Dec 20, 2012
Publication date	Jan 10, 2017
Grant date	Jan 10, 2017

Abstract

A clutch device, in particular a booster clutch device, including at least a clutch flange and a clutch hub, which are arranged coaxially to each other and are coupled with each other by means of a spring device having a multi-stage spring characteristic is provided. The clutch flange forms a plate basket to hold lamellae for a clutch.
The clutch device shown and described here is less complex than corresponding clutch devices which are assumed to be known, functions of the plate basket and the torque sensor being combined. That makes fewer parts necessary, but they continue to have the same functions. The construction is less complex, assembly requires less effort, and the costs are reduced accordingly. The clutch device is flexibly adaptable to different requirements.

First claim

What is claimed is:

1. A clutch device comprising: at least a clutch flange and a clutch hub arranged coaxially to each other and coupled with each other via a spring device having a multi-stage spring characteristic, the clutch flange forming a plate basket to hold lamellae for a clutch, the clutch hub having at least one spring receptacle for at least one leaf spring, the at least one leaf spring extending in a radial direction and fixed in an outer first section by the clutch hub, and coupled with the clutch flange with a second section located further inward, as at least part of spring device.

2. The clutch device as recited in claim 1 wherein the clutch flange surrounds the clutch hub, seen in a radial direction, outside of both sides of the clutch hub, and there forms at least one first receptacle for the lamellae.

3. The clutch device as recited in claim 1 wherein the clutch flange is designed in two pieces, and each piece of the clutch flange is situated on one side of the clutch hub.

4. The clutch device as recited in claim 1 the at least one leaf spring being fixed by the clutch hub itself via clamping.

5. The clutch device as recited in claim 1 wherein the spring receptacle has a first stop, the at least one leaf spring being fixed by the first stop in a radial direction toward the outside.

6. The clutch device as recited in claim 1 wherein the clutch flange has, at least on one side of the clutch hub, a second stop, the at least one leaf spring being fixed by the second stop in at least one axial direction.

7. The clutch device as recited in claim 1 wherein the at least one leaf spring has a region in the inner second section, the region projecting, at least in one axial direction, over the spring receptacle of the clutch hub, the region being coupled with a third stop of the clutch flange in a circumferential direction as at least part of the spring device.

8. The clutch device as recited in claim 1 wherein the clutch flange is rotatable relative to the clutch hub in both circumferential directions, and the clutch flange has a plurality of stops acting in both circumferential directions, the stops are each coupled with springs situated in the clutch hub, so that stops and springs work together as a spring device in both circumferential directions, the stops acting in the one circumferential direction being designed differently compared to the stops acting in the other circumferential direction, so that the spring device acts differently in different circumferential directions.

9. The clutch device as recited in claim 1 wherein the clutch hub has two sides pointing in an axial direction, and the sides are designed identically.

10. A booster clutch device comprising the clutch device as recited in claim 1 .

Assignees

• Schaeffler Technologies Ag

Inventors

• Vogel Florian

Classifications

• F16D13/683

  for clutches with multiple lamellae · CPC title

• F16D2023/123

  Clutch actuation by cams, ramps or ball-screw mechanisms · CPC title

• F16D2300/22

  Vibration damping · CPC title

• F16D13/644 Primary

  Hub construction · CPC title

• F16D27/08 Primary

  with friction surfaces arranged externally to the flux · CPC title