CN105927673B - Torque transmission device and method for producing the same - Google Patents
Torque transmission device and method for producing the same Download PDFInfo
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- CN105927673B CN105927673B CN201610108336.9A CN201610108336A CN105927673B CN 105927673 B CN105927673 B CN 105927673B CN 201610108336 A CN201610108336 A CN 201610108336A CN 105927673 B CN105927673 B CN 105927673B
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- torque
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- transmission device
- torque transmission
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- 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
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- 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
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/12—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted for accumulation of energy to absorb shocks or vibration
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- 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
- F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
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- 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
- F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
- F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
- F16F15/145—Masses mounted with play with respect to driving means thus enabling free movement over a limited range
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- 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
- F16F2230/00—Purpose; Design features
- F16F2230/0005—Attachment, e.g. to facilitate mounting onto confer adjustability
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- 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
- F16F2230/00—Purpose; Design features
- F16F2230/0041—Locking; Fixing in position
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention relates to a torque transmission device (1), in particular for a drive train of a motor vehicle, having at least two disk parts (14, 15) arranged about a rotational axis (d) and being in torque connection with one another, and to a method for producing the same. In order to achieve a simplified assembly, torque-transmitting connections (27) and detent connections (28) of the disk parts (14, 15) are arranged one above the other between the disk parts, said torque-transmitting connections being form-locking, and said detent connections being mechanically decoupled therefrom and transmitting negligible torque.
Description
Technical Field
The present invention relates to a torque transmission device, in particular for a drive train of a motor vehicle, having at least two disk parts arranged about an axis of rotation, which are in torque connection with one another, and to a method for producing the same.
Background
A torque transmission device, in particular in the drive train of a motor vehicle, transmits torque, for example, from a drive train power unit to a downstream drive train power unit, for example, and is usually used here as an active or passive interface between them. Active torque transmission devices are known, for example, in the form of rotational vibration dampers (e.g. dual mass flywheels), friction clutches, double clutches, hydrodynamic torque converters and the like, in such a way that the torque between an input element and an output element is controlled by the torque transmission device according to the operating principle of the torque transmission device. In this case, the active and passive torque transmission means may comprise a plurality of disk elements which are in torque connection with one another. A rotary vibration damper, for example, known from DE 102014208126 a1 comprises an output part which is formed from a plurality of disk parts which are connected to one another by means of rivets which are positioned one above the other, in particular are axially fixed and transmit torque.
Disclosure of Invention
The object of the invention is to develop a torque transmission device of the type concerned. The torque transmission device is in particular simpler to produce and simpler to install.
The proposed torque transmission device, in particular for a drive train of a motor vehicle, comprises at least two disk parts arranged around a rotational axis, which are in torque connection with each other. In order to be able to mount the disk parts in a mutually torque-locked and mutually superposed orientation, torque-transmitting connections of the disk parts, which are form-locking, and orientation connections, which are mechanically decoupled from the torque-transmitting connections and transmit negligible torque, are provided between the disk parts. This means that a functional separation is made between the torque transmission between the disc parts and the positioning of the disc parts on top of each other. This may have the negative purpose: the torque-transmitting connections are provided in geometric positions in which the positioning of the disk parts on top of one another is not possible or advantageous, for example, in terms of assembly technology.
The positioning of the disk parts is to be understood here to mean, in particular, an axial fixing of the disk parts on top of one another, wherein the torque-transmitting connections have only negligible axial holding forces between the disk parts and the positioning connections act in the axial direction. The positioning connection can be formed in a force-fitting, form-fitting and/or material-fitting manner. For example, a press fit, a snap connection, a crimp can be provided between the two disk parts
Wedging portions, welding portions and/or the like to form the positioning connection. The positioning connection may be arranged radially outside or radially inside the torque-transmitting connection. Furthermore, the positioning connection can be arranged radially outside or radially inside a fastening means, for example a screw, for receiving the torque transmission device on the crankshaft of the internal combustion engine.
The positioning connection can be formed by a single, multiple, distributed connection means, such as rivets, screws or the like, which are arranged on one or more pitch circles. For example, a single connecting means, for example a hollow rivet or a solid rivet, can form a positioning connection of the disk parts on top of one another at the center of rotation of the axis of rotation. In particular, in order to avoid rattling in the event of torque fluctuations with the torque introduced and transmitted through the disk parts, the connection parts transmitting the torque can be joined without play. The torque-transmitting connection can be formed by an axial plug connection in which a plurality of axially extending drivers of one or more disk parts are positively engaged in the circumferential direction in corresponding notches, such as openings, of at least one further disk part. For example, at least one, for example a plurality of, axially formed projections arranged distributed in the circumferential direction can be formed, preferably without tools, on at least one of the disk parts, which projections engage in openings, which are formed in at least one axially opposite disk part in a manner complementary thereto, for example punched out without tools.
The proposed torque transmission device can form, for example, a rotational vibration damper (e.g., a dual mass flywheel), a centrifugal force pendulum, a hydrodynamic torque converter, a passive torque transmission device, in which only at least two disk parts are connected to one another in a torque-transmitting and rotationally rigid manner, such as two engine-side and transmission-side drive plates connected in this way, and the like. In the case of a rotary vibration damper, such functionally separate connections of the disk parts can be provided in the input part and/or the output part. The disk parts connected in this way can form the flange part of the spring device for acting on the output side between the input part and the output part of the rotational vibration damper and the disk part connected thereto in the torque flow, for example the pendulum flange of a centrifugal pendulum or a component connected thereto in a rotationally fixed manner, the input part of a further downstream rotational vibration damper, a secondary flywheel mass, preferably made of steel, and a hub part for rotationally fixed connection to a downstream drive power unit (for example a double clutch and the like).
The proposed method is used for producing the proposed torque transmission device. Here, two disk parts to be torque-connected with respect to each other are engaged one above the other by means of a torque-transmitting connection which transmits a negligible torque in the axial direction and by means of a positioning connection which fixes the position at which the disk parts are placed one above the other and transmits a negligible torque between the disk parts. In order to improve the assembly of the torque transmission device, the torque-transmitting connection can first be engaged and then the positioning connection can be produced.
In other words, the invention solves the problem of positively engaging two or more flange-type components, wherein the torque transmission is undertaken by means of a positive fit. At the same time, the form-locking is held securely by a force-locking/form-locking or material-locking connection, but the connection itself cannot transmit the required torque.
In an optional final enumeration, the torque transfer device has the following available features, in their own right and optionally in full combination:
a combination of a connection for transmitting torque and a connection for holding position (e.g. a positioning connection),
first of all, the torque-transmitting connection is produced, and then the position-retaining connection is produced,
the connection transmitting the torque cannot transmit the axial forces worth considering,
the connection in the holding position cannot transmit considerable torque,
the torque-transmitting connection is embodied in a form-locking manner. This may be, for example, a plurality of tabs in the flange member that fit into notches or other mutually coordinated shapes. For example a plurality of these shapes may be connected in parallel,
the torque-carrying connection is engaged as play-free as possible,
the torque-carrying connection is arranged radially in the region of the crankshaft bolt connection,
the connection of the holding position is implemented such that access for assembly is achieved,
the connection in the holding position can be embodied as a rivet/projection connection, as a screw connection, or else by material bonding (for example by means of a weld),
the connection of the holding position can be produced in the center of rotation as a connection with a single connecting means or in the radial direction in the region of the crankshaft bolt connection, for example by means of a plurality of connecting means.
Drawings
The invention is explained in detail with reference to the embodiments shown in fig. 1 to 4. The figures show:
figure 1 shows the upper part of a torque transmission device in the form of a rotational vibration damper arranged around an axis of rotation,
figure 2 details of the torque transfer device of figure 1,
FIG. 3 is a diagram of the positions of the torque-transmitting connections and the positions of the positioning connections of FIGS. 1 and 2, an
Fig. 4 shows a detail of the torque transmission device modified from the torque transmission device of fig. 1 to 3, corresponding to the illustration in fig. 2.
Detailed Description
Fig. 1 shows in section the upper half of a torque transmission device 1 arranged around a rotational axis d. The illustrated torque transmission device 1 is designed as a rotary vibration damper 2 having an input part 3 and an output part 4, which is arranged in a manner such that it can be rotated in a limited manner relative to the input part against the action of a spring device 5, which is only indicated in the dark. The input part 3 is connected to a crankshaft 7 of the internal combustion engine by means of screws 6. The input part 3 formed by the disk parts 8, 9, 10 forms the primary flywheel mass and, by means of the disk parts 9, 10, forms an annular chamber 11 for receiving the spring device 5. The disk element 8 forms an additional flywheel mass and the axial projection 12 of the disk element 10 forms a break-out protection for the centrifugal force pendulum 13. The spring device 5 is loaded on the input side, for example, by the end faces of the bow springs, by means of non-visible embossing on the disk parts 9, 10.
The output element 4 is formed by two disk parts 14, 15, a centrifugal force pendulum 13 and a torsional vibration damper 16. The disk element 14 forms a loading device for the spring device 5 on the output side with an arm 17 that engages radially into the annular chamber 11. The disk part 15 connects the disk part 14 to the centrifugal force pendulum 13. For this purpose, the disk part 15 and the side part 18 are connected by means of rivets 20. The side parts 18, 19 receive radially on the outside in the axial direction between them pendulum masses 21 distributed in the circumferential direction and form a pendulum support device for receiving said pendulum masses in a pendulum manner in the centrifugal force field of the torque transmission device 1 rotating about the axis of rotation d. The side parts 17, 18 form the input part 22 of the torsional vibration damper 16 radially inwardly. The output member 23 can be twisted relative to the input member in a limited manner against the action of the spring means 24. The output part 23 is formed by a hub part 25 arranged between the two side parts 18, 19, which has an internal toothing 26 on the radial inside for rotationally locked connection to a downstream drive train power unit, for example, a shaft or a shaft end of a dual clutch.
The two disk parts 14, 15 have a functional separation between a rotationally locked connection 27, such as for example a torque transmission, and a positioning connection 28, in particular axially fixed, which positions the two disk parts 14, 15 on top of one another. In the exemplary embodiment shown, the torque-transmitting connections 27 are formed by connecting means 29 arranged distributed over the circumference, which are formed by projections 30 formed by the disk part 14, which fit in complementary openings 31 of the disk part 15, preferably without play, in the axial direction. All the torques present are transmitted from the disk unit 14 to the disk unit 15 via a plurality of connecting means 29 arranged in parallel. The axial positioning of the disk parts 14, 15, as fixed after the engagement of the connection 27, takes place on top of one another by means of the positioning connection 28. In the illustrated embodiment, the positioning connection 28 is provided as a central rivet 32 in the rotational center of the torque transmission device 1 on the rotational axis d.
Due to the functional separation between the torque-transmitting connection 27 and the positioning connection 28, the torque-transmitting connection means 29 can be arranged in geometrically inaccessible regions of the torque transmission device 1. For example, the connecting means is arranged in an area between the input part 3 and the output part 23 of the torsional vibration damper 16 that is inaccessible, for example, for riveting. Here, the connecting means 29 are axially engaged. In the still accessible region, the connecting means 28 is then arranged in the center of rotation of the torque transmission device, said connecting means 28 axially connecting the disk elements 14, 15 and thus the input part 3 and the spring device 5 to the centrifugal force pendulum 13 and the torsional vibration damper 16. It will be appreciated that the functional separation between the torque-transmitting coupling 27 and the locating coupling shown in fig. 1 may be used on other torque-transmitting devices and in other locations thereof.
Fig. 2 shows in detail the arrangement of the rivet 32 forming the locating connection 28 in the center of rotation of the torque transmission device 1 about the axis of rotation d. The rivet 32 fixes the two disk parts 14, 15 axially one on top of the other by means of the radially projecting flanges of the rivet head 33 and of the rivet head 34. Due to the small friction surfaces between the rivet 32 and the disk parts 14, 15, the torque-transmitting function of the detent connection 28 can be omitted.
Fig. 3 shows a possible arrangement of the connection means 29 of the torque-transmitting connection 27 of the torque transmission device 1 of fig. 1 and 2. The connecting means are arranged distributed over the circumference on three reference circles 35, 36, 37. Although spatially overlapping due to other components that interfere with riveting or otherwise axially positioning of the disc elements 14, 15 (fig. 1), the connection means 29 may be provided radially inside and radially outside the screw 6, the screw 6 serving to fix the torque transmission device 1 on the crankshaft. The positioning connection 28, which is embodied as a rivet 32, on the axis of rotation d is sufficient for axially fixing the disk parts 14, 15 on top of one another.
Fig. 4 shows in detail a torque transmission device 1a modified from the torque transmission device 1 of fig. 1 to 3, having disk parts 14a, 15 a. In accordance with the torque transmission device 1, the connection means 29a of the torque-transmitting connection 27a between the disk parts 14a, 15a are formed by an axially shaped projection 30a and a complementary opening 31a therefor. The positioning connection 28a is formed by one or individual rivets 32a which are arranged between the disk parts 14a, 15a at a radial distance from the axis of rotation d. The disk members 14a, 15a are riveted together, for example, through the through openings 38a for the screws 6a on the hub member 25 a. The rivet 32a may be made of a non-torque-resistant material, such as a light metal or plastic.
List of reference numerals
1 Torque transmission device
1a torque transmission device
2 rotary vibration absorber
3 input member
4 output member
5 spring device
6 screw
6a screw
7 crankshaft
8 disc parts
9 disk parts
10 disc parts
11 annular chamber
12 protruding head
13 centrifugal force pendulum
14 disc parts
14a disc member
15 disc parts
15a disc member
16 torsional vibration damper
17 arm
18-side member
19-side member
20 rivet
21 pendulum mass
22 input member
23 output member
24 spring device
25 hub component
25a hub member
26 internal tooth part
27 connecting part for transmitting torque
27a connecting part for transmitting torque
28 positioning connection part
28a positioning connection part
29 connecting device
29a connection device
30 projection
30a projection
31 opening
31a opening
32 rivet
32a rivet
33 rivet head
34 rivet pier head
35 reference circle
36 reference circle
37 reference circle
38a through opening
d axis of rotation
Claims (10)
1. Torque transmission device (1, 1a) having at least two disk parts (14, 14a, 15, 15a) arranged about a rotational axis (d), which are in torque connection with one another, characterized in that torque-transmitting connections (27, 27a) and detent connections (28, 28a) of the disk parts (14, 14a, 15, 15a) are provided one above the other between the disk parts, which torque-transmitting connections are form-locking and which detent connections are mechanically decoupled from the torque-transmitting connections and transmit a negligible torque.
2. The torque transmission device (1, 1a) according to claim 1, characterized in that the torque transmitting connections (27, 27a) form a negligible axial holding force between the disk parts (14, 14a, 15, 15a), and in that the positioning connections (28, 28a) are configured to be active in the axial direction.
3. The torque transmission device (1, 1a) according to claim 1 or 2, characterized in that the positioning connection (28, 28a) is constructed force-locked, form-locked and/or material-locked.
4. The torque transfer device (1) according to claim 1, characterized in that the positioning connection (28) is arranged on a centre of rotation about the rotation axis (d).
5. The torque transmission device (1, 1a) according to claim 1, characterized in that the torque transmitting connections (27, 27a) engage without play.
6. The torque transmission device (1, 1a) according to claim 1, characterized in that the torque transmission connection (27, 27a) is formed by an axial plug connection.
7. The torque transmission device (1, 1a) according to claim 6, characterized in that an axially configured projection (30, 30a) is formed on at least one disk part (14, 15a), which projection axially fits into a complementarily configured opening (31, 31a) in at least one axially opposite disk part (14a, 15).
8. The torque transmission device (1, 1a) according to claim 1, characterized in that the at least two disc parts (14, 14a, 15, 15a) form an input and/or an output (4) of a rotational vibration damper (2).
9. Method for manufacturing a torque transmission device (1, 1a) according to any of claims 1 to 8, characterized in that two disc parts (14, 14a, 15, 15a) to be torque-connected with respect to each other are to be formed to engage one on top of the other by means of a torque-transmitting connection (27, 27a) which transmits negligible torque in the axial direction and by means of a positioning connection (28, 28a) which fixes the position where the disc parts (14, 14a, 15, 15a) are on top of each other and transmits negligible torque between the disc parts (14, 14a, 15, 15 a).
10. Method according to claim 9, characterized in that the torque-transmitting connection (27, 27a) is manufactured first and then the positioning connection (28, 28 a).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015203501.8 | 2015-02-27 | ||
| DE102015203501.8A DE102015203501A1 (en) | 2015-02-27 | 2015-02-27 | Torque transmission device and method for its production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105927673A CN105927673A (en) | 2016-09-07 |
| CN105927673B true CN105927673B (en) | 2020-03-24 |
Family
ID=56840368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610108336.9A Active CN105927673B (en) | 2015-02-27 | 2016-02-26 | Torque transmission device and method for producing the same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105927673B (en) |
| DE (1) | DE102015203501A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19846445A1 (en) * | 1998-08-27 | 2000-03-02 | Mannesmann Sachs Ag | Vibration damper for a bridging coupling of a hydrodynamic coupling device comprises damping elements as carrier for gear elements of the planetary gear |
| US6231472B1 (en) * | 1998-08-27 | 2001-05-15 | Mannesmann Sachs Ag | Torsional vibration damper in a lockup clutch with planetary gear set |
| JP2002106639A (en) * | 2000-09-29 | 2002-04-10 | Exedy Corp | Damper mechanism |
| DE102011010344A1 (en) * | 2010-02-16 | 2011-08-18 | Schaeffler Technologies GmbH & Co. KG, 91074 | Hydrodynamic torque converter |
| CN102985712A (en) * | 2010-05-25 | 2013-03-20 | 舍弗勒技术股份两合公司 | Torque transmission device |
| CN103765039A (en) * | 2011-08-23 | 2014-04-30 | 舍弗勒技术有限两合公司 | Torque transmission device |
| JP2014137079A (en) * | 2013-01-15 | 2014-07-28 | Aisin Aw Industries Co Ltd | Damper device |
| DE102014208126A1 (en) * | 2013-06-03 | 2014-12-04 | Schaeffler Technologies Gmbh & Co. Kg | turntable vibration |
-
2015
- 2015-02-27 DE DE102015203501.8A patent/DE102015203501A1/en not_active Withdrawn
-
2016
- 2016-02-26 CN CN201610108336.9A patent/CN105927673B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19846445A1 (en) * | 1998-08-27 | 2000-03-02 | Mannesmann Sachs Ag | Vibration damper for a bridging coupling of a hydrodynamic coupling device comprises damping elements as carrier for gear elements of the planetary gear |
| US6231472B1 (en) * | 1998-08-27 | 2001-05-15 | Mannesmann Sachs Ag | Torsional vibration damper in a lockup clutch with planetary gear set |
| JP2002106639A (en) * | 2000-09-29 | 2002-04-10 | Exedy Corp | Damper mechanism |
| DE102011010344A1 (en) * | 2010-02-16 | 2011-08-18 | Schaeffler Technologies GmbH & Co. KG, 91074 | Hydrodynamic torque converter |
| CN102985712A (en) * | 2010-05-25 | 2013-03-20 | 舍弗勒技术股份两合公司 | Torque transmission device |
| CN103765039A (en) * | 2011-08-23 | 2014-04-30 | 舍弗勒技术有限两合公司 | Torque transmission device |
| JP2014137079A (en) * | 2013-01-15 | 2014-07-28 | Aisin Aw Industries Co Ltd | Damper device |
| DE102014208126A1 (en) * | 2013-06-03 | 2014-12-04 | Schaeffler Technologies Gmbh & Co. Kg | turntable vibration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105927673A (en) | 2016-09-07 |
| DE102015203501A1 (en) | 2016-09-22 |
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