WO2015172785A1 - Clutch disc with torsional vibration damper - Google Patents
Clutch disc with torsional vibration damper Download PDFInfo
- Publication number
- WO2015172785A1 WO2015172785A1 PCT/DE2015/200304 DE2015200304W WO2015172785A1 WO 2015172785 A1 WO2015172785 A1 WO 2015172785A1 DE 2015200304 W DE2015200304 W DE 2015200304W WO 2015172785 A1 WO2015172785 A1 WO 2015172785A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- disc
- bearing
- hub
- clutch disc
- parts
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/1207—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon characterised by the supporting arrangement of the damper unit
- F16F15/1208—Bearing arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
- F16D13/644—Hub construction
Definitions
- the invention relates to a clutch disc having an input part with friction linings and an output part with a hub and arranged between the input part and the output part torsional vibration damper with an input side of the input part on the input side and acted upon by the output part on the output side in the circumferential direction spring means.
- the first disc parts are braced axially by means of the distance bolts against itself on the hub and the second disc parts supporting bearing device under adjustment of a sliding friction.
- foreign friction effects occur, which increase the lower limit of a possible frictional damping of the torsional vibration damper with a friction device arranged parallel to the spring device.
- the setting of a resonance frequency of the torsional vibration damper is limited, for example, below an operating speed of an internal combustion engine of a drive train equipped with the clutch disk.
- Object of the invention is the advantageous development of a clutch disc with torsional vibration damper in particular with a reduced friction and in particular thereby advantageously reduced resonant frequency of the torsional vibration damper.
- the object is solved by the subject matter of claim 1.
- the dependent claims give advantageous embodiments of the subject matter of claim 1 again.
- the proposed clutch disc includes, for example, an input part with formed in a friction clutch to form a frictional engagement friction linings and an output part with a rotationally connected to a shaft such as transmission input shaft rotationally connected hub. Between the input part and the output part, a torsional vibration damper is effectively arranged.
- the torsional vibration damper comprises a spring device and a friction device acting against each other at least over part of the action of the spring device when the input part and the output part are rotated.
- the spring device is preferably formed from arranged over the circumference energy storage such as helical compression springs and can form depending on the design and arrangement of the energy storage a single or multi-stage characteristic of the torsional vibration damper.
- a torsional backlash between the hub and output member against the action of energy storage low stiffness can be provided, while in a rotation of the input part and output part a single or multi-stage main damper can be provided ,
- Such a rolling bearing can be designed to be axially and / or radially effective and center the output part and input part to each other.
- the proposed rolling bearing reduces the friction in a rotation of input part and output part such that a parallel to the action of the spring means over at least a portion of the rotation angle effective friction means can be designed for particularly small coefficients of friction and thus low resonance frequencies, for example below the idle speed, start speed or the like an internal combustion engine can be achieved.
- the input part contains two input-side first disk parts, which are spaced apart from one another axially by means of spacer bolts.
- a disk part for example, a driver or pad carrier disc bears radially outside friction linings, while the other disc part is formed as a counter-disc. Axially between these at least a second output-side disk part is arranged.
- two second disc parts are placed axially directly against each other or provided by means of a spacer or the like slightly axially spaced from each other.
- the at least one second output-side disk part is without or with little backlash
- to form an idle damper rotationally connected to the hub for example by means of an internal toothing with an outer toothing of the hub.
- the circumference energy storage of the spring means distributed over the circumference energy storage of the spring means are received in windows of the disc parts and are compressed at a rotation of the first disc parts relative to the at least one second disc part.
- an energy storage helical compression springs are provided, for example, which can be provided to form a high rigidity and different characteristics in different lengths training, nested and / or with different capacities and stiffnesses.
- the energy storage in the circumferential direction acting walls of the windows can be designed to be elastic or be provided between walls and energy storage spring cups.
- Such an embodiment may be effectively arranged between one or preferably between the two first disc parts and the hub a rolling bearing.
- Outer ring and / or inner ring of the rolling bearing may be formed as separate components to the disc parts and the hub and connected thereto, for example, be pressed or caulked.
- the raceways can be coated or hardened.
- the bearings are designed, for example, as deep groove ball bearings or preferably as angular contact ball bearings.
- the first disc parts may be biased axially resiliently by means of rolling bearings against the hub.
- the bearing cages are placed with the rolling elements against the raceways of the hub and the first disc parts by means of the spacer bolts against each other axially braced, so that the rolling elements between the raceways of the first disc parts and the hub are axially biased.
- an axially elastic bias can be provided.
- areas of the disk parts between the standoffs and the raceways can be made soft.
- elastic webs forming recesses may be provided in the first disc parts radially between the rolling bearings or its raceways and the spacer bolts. These webs form the necessary axially elastic compensation of the axial tolerance margin of the axially spaced attachment of the first two disc parts.
- the first disc parts take up the at least one second disc part between them.
- a thrust bearing is provided between the at least one second disk part and in each case a first disk part.
- these thrust bearings are also designed as rolling bearings.
- a needle bearing may be provided, the needles of which roll on raceways of the at least one second disk part and in each case a first disk part.
- the thrust bearing can be formed from a respective bearing cage of the arranged between the first disc parts and the hub bearings. This is still achieved by half the angle of rotation relative to the disk parts, a friction advantage over a fixed sliding disk with sliding friction.
- FIG. 3 shows a view of the clutch disk of FIG. 1,
- Figure 5 shows a section through a clutch disc of Figure 1 modified clutch disc with modified storage of the disc parts.
- FIG. 1 shows the clutch disk 1 with the input part 2 and the output part 3 as well as the torsional vibration damper 4 arranged between the input part 2 and the output part 3 in section.
- the input part 2 is formed from the first disc parts 6, 7 which are axially spaced from one another by means of the spacer bolts 5.
- the disk part 6 is in this case designed as a driver disk and bears radially outside the only partially shown friction linings 8.
- the disk part 7 is formed to this as a counter-disk. Axially between the first input-side disk parts 6, 7 are the second output-side disk parts 9, 10.
- the disk parts 9, 10 abut each other radially outward. Radial inside is between them, for example, made of plastic ring part 1 1 is provided.
- the disk parts 6, 7, 9, 10 have distributed over the circumference, window-shaped recesses 12, 13, 14, 15, in which the helical compression springs 16, 17 formed as energy storage 18, 19 of the spring means 20 are added.
- the second, output-side disk parts 9, 10 are rotationally received on the hub 21.
- the hub 21 has for this purpose an outer profile 22 such as external teeth and the disc parts 9, 10 a complementary inner profile 23 as internal teeth optionally under adjustment a small backlash of, for example, 1 ° to 5 °.
- the hub 21 the internal toothing 24.
- the first disc parts 6, 7 are biased axially relative to the hub 21 and the second disc parts by means of the spacer bolts 5, which pass through the second disc parts 9, 10 at least in the amount of counter-slots provided against the spring device 20 or radially outwardly open recesses ,
- the rolling bearings 26, 27, 28, 29 are arranged effectively between the input part 2 and the output part 3.
- the detail D shows in Figure 2, the formation of this storage.
- FIG. 2 shows the detail D of the clutch disk 1 of FIG. 1.
- the first disc parts 6, 7 and the hub 21 have to form the trained as angular contact ball bearings 30, 31 bearings 26, 27 according to introduced as molded or machined trained tracks 32, 33, 34, 35, on which the rolling elements 36, 37 as balls roll off.
- the rolling elements 36, 37 are each distributed in the bearing cages 38, 39 distributed over the circumference.
- the angular contact ball bearings 30, 31 take over the radial and axial bearing and centering of the disk parts 6, 7 on the hub 21st
- the rolling bearings 28, 29 are designed as thrust bearings 40, 41 and provide for the axial storage of the first and second disc parts 6, 7, 9, 10 to each other.
- the thrust bearings 40, 41 are preferably designed as needle bearings whose rolling elements formed as needles 42, 43 are received in bearing cages 48, 49 distributed over the circumference and on raceways 44, 45, 46, 47 of the disk parts 6, 7, 9, 10th roll off.
- FIG. 3 shows the clutch disk 1 of FIG. 1 in a view with the first disk part 6 with the friction lining 8 and the helical compression springs 16, 17 received in the recesses 12.
- FIG. 2 At least the first disc part 6 and optionally the non-visible first disc part 7 (Figure 1) radially between the raceways 34, 35 ( Figure 2) and the spacer pin 5 are soft.
- Figure 5 shows the up to the axial bearing of the disc parts 6a, 7a, 9a, 10a with the clutch disc 1 of the preceding figures identical clutch disc 1 a in section.
- the roller bearings 28, 29 (FIG. 1) are dispensed with.
- the disc parts 9a, 10a are supported on the bearing cages 38a, 39a of the roller bearings 26a, 27a.
- the bearing cages 38a, 39a form the axial bearings 40a, 41a of the disk parts 6a, 7a, 9a, 10a.
- the axial support path takes place in each case from the first disk parts 6a, 7a via the rolling elements 36a, 37a, the bearing cages 38a, 39a to the second disk parts 9a, 10a.
- Rolling bearings Rolling bearings Angular contact ball bearings Angular contact ball bearings Track Track Track Track Rolling Wälzeniaa Rolling elements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112015002296.1T DE112015002296A5 (en) | 2014-05-16 | 2015-05-07 | Clutch disc with torsional vibration damper |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014209307 | 2014-05-16 | ||
DE102014209307.4 | 2014-05-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015172785A1 true WO2015172785A1 (en) | 2015-11-19 |
Family
ID=53610731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2015/200304 WO2015172785A1 (en) | 2014-05-16 | 2015-05-07 | Clutch disc with torsional vibration damper |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE112015002296A5 (en) |
WO (1) | WO2015172785A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019196976A1 (en) * | 2018-04-10 | 2019-10-17 | Schaeffler Technologies AG & Co. KG | Torsional vibration damper and corresponding clutch |
DE102019204374A1 (en) * | 2019-03-28 | 2020-10-01 | Zf Friedrichshafen Ag | Centrifugal force compensation element for controlling torsion springs in a clutch disc |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56143820A (en) * | 1980-04-09 | 1981-11-09 | Aisin Seiki Co Ltd | Clutch disc |
EP0223442A1 (en) * | 1985-11-01 | 1987-05-27 | Eaton Corporation | Torsion damping mechanism |
EP0320955A2 (en) * | 1987-12-18 | 1989-06-21 | Fichtel & Sachs AG | Clutch plate |
WO2008019641A1 (en) | 2006-08-12 | 2008-02-21 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Torsional vibration damper |
-
2015
- 2015-05-07 DE DE112015002296.1T patent/DE112015002296A5/en not_active Withdrawn
- 2015-05-07 WO PCT/DE2015/200304 patent/WO2015172785A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56143820A (en) * | 1980-04-09 | 1981-11-09 | Aisin Seiki Co Ltd | Clutch disc |
EP0223442A1 (en) * | 1985-11-01 | 1987-05-27 | Eaton Corporation | Torsion damping mechanism |
EP0320955A2 (en) * | 1987-12-18 | 1989-06-21 | Fichtel & Sachs AG | Clutch plate |
WO2008019641A1 (en) | 2006-08-12 | 2008-02-21 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Torsional vibration damper |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019196976A1 (en) * | 2018-04-10 | 2019-10-17 | Schaeffler Technologies AG & Co. KG | Torsional vibration damper and corresponding clutch |
DE102019204374A1 (en) * | 2019-03-28 | 2020-10-01 | Zf Friedrichshafen Ag | Centrifugal force compensation element for controlling torsion springs in a clutch disc |
Also Published As
Publication number | Publication date |
---|---|
DE112015002296A5 (en) | 2017-03-09 |
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