WO2014154216A1

WO2014154216A1 - Clutch disc and friction clutch device

Info

Publication number: WO2014154216A1
Application number: PCT/DE2014/200139
Authority: WO
Inventors: Ivo Agner; Michael Baumann
Original assignee: Schaeffler Technologies Gmbh & Co. Kg
Priority date: 2013-03-26
Filing date: 2014-03-25
Publication date: 2014-10-02
Also published as: DE112014001636A5; DE102014205478A1

Abstract

Clutch disc for a friction clutch device, in particular for a motor vehicle, having a disc part, a first friction lining and a second friction lining, wherein the clutch disc has a lining suspension and the disc part has a toothing system for mechanically transmitting power, and a friction clutch device, in particular for a drive train of a motor vehicle operated by an internal combustion engine, having a rotational axis, at least one pressure plate, at least one contact pressure plate which can be moved in an axially limited fashion relative to the pressure plate, between an engaged activation position and a disengaged activation position, in order to perform activation, wherein the friction clutch device has at least one clutch disc of this type.

Description

Clutch disc and friction clutch device

The invention relates to a clutch disk for a friction clutch device, in particular for a motor vehicle, comprising a disk part, a first friction lining and a second friction lining. In addition, the invention relates to a friction clutch device, in particular for a drive train of a motor vehicle motor vehicle, comprising a rotation axis, at least one pressure plate, at least one to an actuation between an engaged operating position and a disengaged operating position relative to the pressure plate axially displaceable pressure plate.

From DE 10 2010 023 715 A1 a double clutch is known with two of a

Drive unit driven clutches with dry friction contact and with a hydraulic actuation system each having an actuator for each of the clutches and with a gear fixedly supported stator, between the stator and clutch cover of the transmission-side clutch, a support bearing is arranged, and between the clutch cover of the transmission-side clutch and the actuator respectively a sealing device is provided, and wherein at least one of the sealing means is formed as Rollbalgdichtung whose one end is pressed by a pressure plate directly to a bearing outer ring of the support bearing to specify a dual clutch, which ensures a reliable sealing of the hydraulic actuator. According to DE 10 2010 023 715 A1, a clutch disk with friction linings for forming a frictional engagement of friction clutches is provided between a pressure plate and pressure plates. The clutch discs are toothed with transmission input shafts.

From DE 10 2009 059 942 A1 discloses a multiple clutch device is known for a drive train with a drive unit and a subsequently arranged gear, which is connected to a drive shaft of the drive unit and received in a not co-rotating with the drive shaft of the drive unit clutch bell, with two multi-plate clutches each having an input-side and an output-side plate carrier and axially alternating lamellae, and with an actuating device in which a housing of the actuating device is radially supported on the clutch bell, and wherein the input-side plate carrier at least one of the multi-plate clutches with the housing of the actuating device via a support plate or a support pot and a support bearing is connected in such a way that a force flow of an actuating force generated by the actuating device via support plate or support pot and S tütz- bearing is fed back to the housing of the actuator, so that there is a closed power flow within the multiple coupling device to specify a Mehrfachkupplung with improved support of an actuating force.

The object of the invention is to constructively and / or functionally improve an aforementioned clutch disk. In particular, a space requirement should be reduced. In particular, a radial space requirement should be reduced. In particular, a riveting should be omitted. In particular, an effort should be reduced. In particular, a structure should be simplified. In addition, an initially mentioned friction clutch device should be structurally and / or functionally improved.

The object is achieved with a clutch disc for a friction clutch device, in particular for motor vehicle, having a disc part, a first friction lining and a second friction lining in which the clutch disc has a lining suspension and the disk part has a toothing for mechanical power transmission.

The clutch disc may also be referred to as a friction disc. The disk part may have an annular disk-like shape. The disk part may have one of a first side, a second side, an outer edge portion, and an inner edge portion. The first friction lining may be arranged on the first side. The second friction lining may be arranged on the second side. The first friction lining and the second friction lining may be segmented. The first friction lining and the second friction lining can each be designed in several parts. The first friction lining and the second friction lining can be designed like a ring. The lining suspension can be effective between the disc part, the first friction lining and / or the second friction lining. The padding suspension can bring about a homogenization of a contact force. The padding suspension may have spring segments. The pad spring can have a spring ring. The lining suspension can be formed by means of separate spring elements. The pad suspension can be formed by resilient design of the disc part. The disk part and / or the pad spring suspension can be segmented or ring-shaped. The first friction lining or the second friction lining may be connected to the lining suspension and / or to the disk part, for example riveted or glued. The first friction lining or the second friction lining may be connected to the lining suspension and / or to the disk part with the interposition of the lining suspension. The clutch disc may have a carrier plate. The first friction lining or the second friction lining can be connected to the carrier plate, for example, riveted or glued be. For riveting the first friction lining or the second friction lining hollow rivets may be used. The toothing can be arranged directly on the disc part. A separate driver part, which is connected to the disc part and having a toothing, can be omitted. The toothing can be arranged on the disk part radially inwardly. The toothing can be arranged on the inner edge portion of the disc part. The toothing can be arranged on the outside of the disk part radially. The toothing may be disposed on the outer edge portion of the disc part. The toothing of the disk part can correspond geometrically complementary with a counter-toothing of the support part. The toothing of the disk part and the counter-toothing of the carrier part can engage radially. The counter-toothing can engage axially in the toothing of the disc part. The toothing of the disk part and the counter-toothing of the support member may be axially available. The clutch disc can be arranged to be axially displaceable with the toothing of the disc part on a carrier part.

The disk part and / or the pad spring suspension can be segmented or ring-shaped.

In addition, the solution of the problem underlying the invention with a

Friction clutch device, in particular for a drive train of a motor vehicle driven by a combustion engine, comprising an axis of rotation, at least one pressure plate, at least one axially displaceable pressure plate limited to actuation between an engaged actuation position and a disengaged actuation position relative to the pressure plate, wherein the friction clutch device comprises at least one such clutch disc having.

The drive train may include an internal combustion engine. The internal combustion engine may have an output shaft. The powertrain may include a torsional vibration damper. The drive train may have a transmission. The transmission may have at least one input shaft. The transmission can be a dual-clutch transmission. The transmission may include at least a first input shaft and a second input shaft. The first input shaft and the second input shaft may be arranged coaxially with each other. The first input shaft and the second input shaft may be arranged concentrically with each other. The drive train may have at least one drivable wheel. The friction clutch device may be locatable in the drive train. The friction clutch device can be arranged between the internal combustion engine and the transmission. The friction clutch device may be arrangeable between the torsional vibration damper and the transmission. The friction clutch device may have an input part. The friction coupling device may have at least one output part. The friction coupling device may have a first output part and a second output part. The friction clutch device may comprise a housing. The housing can also be referred to as a lid. The input part can be driven by means of the output shaft of the internal combustion engine. By means of the at least one output part, the at least one input shaft of the transmission can be driven. By means of the first output part, the first input shaft of the transmission can be driven. By means of the second output part, the second input shaft of the transmission can be driven.

The Friction Clutch Device The friction clutch device may include at least one single disc clutch. The friction clutch device may have at least one multi-plate clutch. The friction clutch device may have at least one multi-plate clutch. The friction clutch device can have at least one automatically opening clutch. The friction clutch device can have at least one automatically closing clutch. The friction clutch device may have at least one depressed clutch. The friction clutch device may have at least one towed clutch. The friction clutch device can be actuated by means of a clutch pedal. The friction clutch device can be actuated automatically.

The friction coupling device can, starting from a fully disengaged operating position, in which substantially no power transmission takes place between the input part and the at least one output part, up to a fully engaged operating position in which substantially complete power transmission takes place between the input part and the at least one output part , Actuation-dependent allow an increasing mechanical power transmission, wherein a power transmission between the input part and the at least one output part is frictionally engaged. Conversely, starting from a fully engaged operating position in which there is substantially complete power transmission between the input part and the at least one output part up to a fully disengaged operating position in which there is substantially no power transmission between the input part and the at least one output part. depending on actuation, a decreasing mechanical power transmission can be made possible. A fully engaged actuation position may be a closed actuation position. A fully disengaged operating position may be an open operating position. The friction clutch device can serve to enable start-up and a change of a gear ratio. By means of the friction coupling device, the input part, on the one hand, and the first output part and / or the second output part, on the other hand, can be connected or disconnected from one another. In addition, a power flow from the input part can be shifted in a transitional transition from the first output part to the second output part and vice versa.

The at least one pressure plate and the housing can be firmly connected to each other. The at least one pressure plate and the housing may be rotatably connected to each other and axially fixed. The at least one pressure plate and the housing may be connected to each other in a rotationally fixed manner. The at least one pressure plate can be limited axially displaceable connected to the housing.

The at least one clutch disc may be clamped between the at least one pressure plate and the at least one pressure plate in order to effect a frictional mechanical power transmission. The input part of the friction clutch device may comprise the housing, the at least pressure plate and the at least one pressure plate. The at least one output part of the friction clutch device can have the at least one clutch disk. The first output part of the friction clutch device may comprise the at least one first clutch disk. The second output part of the friction clutch device may comprise the at least one second clutch disk.

The friction clutch device can be designed as a double clutch with at least one first such clutch disc and at least one second such clutch disc. The friction clutch device can be designed as a dry multi-plate clutch. The friction coupling device may have an axially and / or radially nested structure.

In summary and in other words, the invention thus provides, inter alia, a friction disk with spring element and carrier plate with toothing. A friction disc with friction element (friction segment or closed friction ring) and spring element (spring segment or closed resilient ring), a rivet-free torque transmission through carrier plate with toothing or carrier plate with teeth to plate carrier and a displaceability of a friction disc axially in the toothing can be combined. A torque transmission by means of toothing can take place both at an inner diameter and at an outer diameter. In particular, a space requirement should be reduced. In particular, a radial

Space requirement is reduced. In particular, a riveting should be omitted. In particular, an effort should be reduced. In particular, a structure should be simplified.

Hereinafter, embodiments of the invention will be described with reference to figures. From this description, further features and advantages.

They show schematically and by way of example:

1 shows a clutch disc with a one-piece disc part with a radially inner side arranged toothing, a lining suspension and two riveted friction linings in partial sectional view,

2 shows a clutch disk with a one-piece disk part with a toothing arranged radially on the inside, a lining suspension and two riveted friction linings in a sectional view in section,

3 shows a clutch disc with a one-piece disk part with a toothing arranged radially on the inside, a lining suspension, a carrier plate and two friction linings in a sectional view in section,

4 shows a clutch disc with a one-piece disc part with a toothing arranged radially on the inside, a pad spring, a carrier plate and two friction linings in a sectional view in section,

5 shows a clutch disc with segment-shaped lining suspension and friction linings in plan view and in sectional view,

Fig. 6 shows a clutch disc with ring-shaped lining suspension and friction linings in plan view and in sectional view and

Fig. 7 shows a double clutch with clutch plates with a one-piece disk part with a radially inside arranged toothing on support parts in sectional view.

1 shows a clutch disk 100 with a one-piece disk part 102 with a toothing 104 arranged radially on the inside, a lining spring 106 and two riveted friction linings 108, 110 in a sectional view in sections. From the sectional view shown in Fig. 1 riveting of the disc part 102, the pad spring 106 and the friction lining 108 can be seen. FIG. 2 shows the clutch disc 100 in a further embodiment. sectioned sectional view. From the sectional view shown in Fig. 2 is a riveting of the pad spring 106 and the friction pad 1 10 can be seen.

The clutch disc 100 is used for arrangement in a friction clutch between a pressure plate and a pressure plate. The clutch disc 100 can be clamped between a pressure plate and a pressure plate in order to effect a frictional mechanical power transmission.

The disk part 102 has an annular disk-like shape with two sides, an outer edge portion and an inner edge portion. For the disk part 102, a connection such as a riveted joint is not required. The toothing 104 is arranged on the inner edge portion of the disc part 102. The toothing 104 serves for the rotationally fixed and axial displaceable arrangement of the clutch disc 100 on a carrier part of the friction clutch. The friction linings 108, 110 are arranged on the sides of the disk part 102. The pad spring 106 is disposed between the disc part 102 and the friction lining 1 10. The pad spring 106 is supported on the one hand on the disc part 102 and on the other hand on the friction lining 1 10 from.

The clutch plate 100 has first rivets, such as 1 12, on. The first rivets 1 12 serve to connect the friction lining 108, the disc part 102 and the pad spring 106 with each other. The clutch plate 100 has second rivets, such as 1 14 on. The second rivets 1 14 serve to connect the pad spring 106, the friction lining 1 10 together. The first rivets 1 12 and the second rivets 1 14 are each distributed in the circumferential direction of the clutch disc 100.

3 shows a clutch disk 200 with a one-piece disk part 202 with a toothing 204 arranged radially on the inside, a lining spring 206, a carrier plate 208 and two friction linings 210, 212 in a sectional view in sections. From the sectional view shown in Fig. 3 riveting of the pad spring 206 and the support plate 208 can be seen. 4 shows the clutch disc 200 in a further sectional view in section. From the sectional view shown in Fig. 4 riveting of the disk part 202 and the pad spring 206 can be seen.

The friction lining 210 is glued to the carrier plate 208. The friction lining 212 is glued to the disk part 202. The pad spring 206 is disposed between the disc portion 202 and the support plate 208. The lining suspension 206 is supported on the one hand on the disk part 202 and on the other hand on the support plate 208 from. The clutch plate 200 has first rivets, such as 214. The first rivets 214 serve to connect the carrier plate 208 and the pad spring 206 with each other. The clutch plate 200 has second rivets, such as 216. The second rivets 216 serve to connect the disk part 202 and the pad spring 206 together. Incidentally, reference is additionally made in particular to FIG. 1 and the associated description.

Fig. 5 shows a clutch plate 300 with segmentally executed pad suspension and friction linings, such as 302, in plan view and in sectional view. The segment-shaped friction linings 302 are arranged in the circumferential direction of the clutch disc 300 and together form an interrupted ring shape. The closed, annular friction linings 302 are each assigned a spring segment, such as 304. The spring segment 304 is designed like a wave. Incidentally, reference is additionally made in particular to FIG. 1 and the associated description.

Fig. 6 shows a clutch plate 400 with ring-shaped lining suspension and friction linings, such as 402, in plan view and in sectional view. The friction linings 402 have a closed ring shape. The friction linings 402 is associated with a spring ring 404, which forms the lining suspension. The spring ring 404 is designed like a wave. Incidentally, reference is additionally made in particular to FIG. 1 and the associated description.

7 shows a double clutch 500 with clutch disks 502, 504, 506 with a one-piece disk part with a toothing arranged radially on the inside on carrier parts 508, 510 in a sectional view.

The dual clutch 500 is a dry clutch. The dual clutch 500 can be arranged in a drive train of a motor vehicle between an internal combustion engine and a transmission. Between the internal combustion engine and the dual clutch 500, a torsional vibration damper, in particular a dual-mass flywheel, can be arranged. The dual clutch 500 has a first clutch 512 and a second clutch 514. The dual clutch 500 has a housing 516.

The first clutch 512 has a pressure plate 518 and a pressure plate 520. The pressure plate 518 is rotatably connected to the housing 516 and axially displaceably connected. The pressure plate 520 is rotatably connected to the housing 516 and axially displaceable relative to the pressure plate 518 connected. The clutch disc 502 and the carrier member 508 are associated with the first clutch 512. The clutch disc 502 is clamped between the pressure plate 518 and the pressure plate 520 to effect frictional mechanical power transmission. The support member 508 has radially on the outside on a corresponding with the teeth of the clutch disc 502 counter teeth. The clutch disc 502 is rotatably connected with its teeth with the counter teeth of the support member 508 and axially displaceable. The carrier part 508 serves to connect the first clutch 512 to a first input shaft of a transmission.

The second clutch 514 has a pressure plate 522, an intermediate pressure plate 524, and a pressure plate 526. The pressure plate 522 is rotatably connected to the housing 516 and axially displaceably connected. The intermediate pressure plate 524 and the pressure plate 526 are rotatably connected to the housing 516 and axially displaceably connected relative to the pressure plate 522. The clutch plates 504, 506 and the support member 510 are associated with the second clutch 514. The clutch disc 504 is sandwiched between the pressure plate 522 and the intermediate pressure plate 524 and the clutch disc 506 is clamped between the intermediate pressure plate 524 and the pressure plate 526 to effect frictional mechanical power transmission , The carrier part 510 has, radially on the outside, a counter-toothing corresponding to the toothing of the clutch discs 504, 506. The clutch discs 504, 506 are each rotatably connected with their teeth with the counter teeth of the support member 510 and axially displaceable. The support member 512 serves to connect the second clutch 514 to a second input shaft of the transmission. Incidentally, reference is additionally made in particular to FIGS. 1 to 6 and the associated description.

LIST OF REFERENCES

100 clutch disc

102 disc part

104 toothing

106 suspension

108 friction lining

1 10 friction lining

1 12 first rivet

1 14 second rivet

200 clutch disc

202 disc part

204 toothing

206 suspension

208 carrier sheet

210 friction lining

212 friction lining

214 first rivet

216 second rivet

300 clutch disc

302 friction lining

304 spring segment

400 clutch disc

402 suspension

404 spring washer

500 double clutch

502 clutch disc

504 clutch disc

506 clutch disc

508 carrier part

510 carrier part 512 first clutch

514 second clutch

516 housing

518 printing plate

520 pressure plate

522 pressure plate

524 intermediate printing plate

526 pressure plate

Claims

claims

1 . Clutch disc (100, 200, 300, 400, 502, 504, 506) for a friction clutch device, in particular for motor vehicles, comprising a disc part (102, 202), a first friction lining (108, 210, 302), and a second friction lining (1 10, 212), characterized in that the clutch disc (100, 200, 300, 400, 502, 504, 506) a pad spring (106, 206, 304, 402) and the disc part (102, 202) has a toothing (104, 204) for mechanical power transmission.

2. clutch disc (100, 200, 300, 400, 502, 504, 506) according to claim 1, characterized in that the toothing (104, 204) on the disc part (102, 202) is arranged radially inwardly.

3. Clutch disc according to claim 1, characterized in that the toothing is arranged on the disc part radially on the outside.

4. clutch disc (100, 200, 300, 400, 502, 504, 506) according to at least one of the preceding claims, characterized in that the clutch disc (100, 200, 300, 400, 502, 504, 506) with the toothing ( 104, 204) of the disk part (102, 202) on a support part (508, 510) is axially displaceable can be arranged.

5. clutch disc (100, 200, 300, 400, 502, 504, 506) according to at least one of the preceding claims, characterized in that the disc part (102, 202) and / or the lining suspension (106, 206, 304, 402) segment-like or ring-like executed.

6. friction clutch device, in particular for a drive train of an internal combustion engine-driven motor vehicle, comprising a rotation axis, at least one pressure plate (518, 522), at least one limited to actuation between an engaged operating position and a disengaged operating position relative to the pressure plate (518, 522) axially displaceable pressure plate (520, 526), characterized in that the friction clutch device comprises at least one clutch disc (100, 200, 300, 400, 502, 504, 506) according to at least one of claims 1 -4.

7. Friction clutch device according to claim 6, characterized in that the friction clutch device as a double clutch (500) with at least one first clutch disc (100, 200, 300, 400, 502) according to at least one of claims 1 -4 and / or at least one second clutch disc (100, 200, 300, 400, 504, 506) according to at least one of claims 1 to 4.

8. Friction clutch device according to at least one of claims 6-7, characterized in that the friction clutch device comprises a dry friction clutch or a wet friction clutch.

9. Friction clutch device according to at least one of claims 6-8, characterized in that the friction clutch device has an axially and / or radially nested structure.