CN104895946A - Friction element carrier for a clutch - Google Patents
Friction element carrier for a clutch Download PDFInfo
- Publication number
- CN104895946A CN104895946A CN201510088673.1A CN201510088673A CN104895946A CN 104895946 A CN104895946 A CN 104895946A CN 201510088673 A CN201510088673 A CN 201510088673A CN 104895946 A CN104895946 A CN 104895946A
- Authority
- CN
- China
- Prior art keywords
- support
- clutch
- friction element
- opening
- interception
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims abstract description 37
- 238000005452 bending Methods 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract 3
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005183 dynamical system Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
- F16D13/68—Attachments of plates or lamellae to their supports
- F16D13/683—Attachments of plates or lamellae to their supports for clutches with multiple lamellae
-
- 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
- F16D13/72—Features relating to cooling
-
- 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
- F16D13/74—Features relating to lubrication
-
- 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
- F16D2300/00—Special features for couplings or clutches
- F16D2300/02—Overheat protection, i.e. means for protection against overheating
- F16D2300/021—Cooling features not provided for in group F16D13/72 or F16D25/123, e.g. heat transfer details
- F16D2300/0214—Oil or fluid cooling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The clutch is configured to transmit torque. A carrier for a friction element of the clutch, comprising: the device comprises a rotation axis, a radial section and an axial section adjoining the radial section at a radial outside. The axial section comprises a sheet metal part extending around the rotational axis, which sheet metal part extends around the rotational axis alternately on different radii, so that external teeth are formed for a form-fitting fit in the friction element. The sheet-metal part has an opening in the region of the larger radius for the radial flow through of the surrounding fluid and, radially on the inside, an interception element for intercepting the surrounding fluid, wherein the interception element is opposite the radial section with respect to the opening.
Description
Technical field
The present invention relates to a kind of for the clutch relative to spin axis optionally transmitting torque.The invention particularly relates to the friction element support of described clutch.
Background technique
In the dynamical system such as driving machine motor vehicle, be provided with clutch, the transmission of torque in this dynamical system can be interrupted.Preferably, clutch is arranged between the speed changer of dynamical system and drive motor.In one embodiment, clutch is multiplate clutch and is provided in fluid bath to operate.The internal stent of this clutch and outside support are arranged in the mode that can rotate around a common rotating shaft line.Be in diametrically in the region between internal stent and outside support, be furnished with two friction elements side by side each other in the axial direction.First friction element is connected with internal stent torque in locking manner by means of teeth portion, and the second friction element is connected with outside support torque in locking manner by means of another teeth portion.If friction element is pressed against each other in the axial direction, then can between internal stent and outside support transmitting torque or power.
If friction element is in sliding friction relative to each other, then a part for the torque will transmitted will be converted into heat.In order to cool friction element, the fluid stream of surrounding can be made to flow through friction element in radial directions.For this reason, internal stent has opening on the radial outer region of described teeth portion.In order to strengthen fluid in radial directions by the flowing of described opening, attempt tackling described fluid at the radially inner side of described opening.In one embodiment, can adopt interception element, internal stent is rotated relative to interception element.In axial clearance between interception element and internal stent, quite a few of described fluid may flow away as leakage.In addition, such interception element may need axial installing space, so the installing space of this axis no longer can be used for other object.In addition, this discrete interception element may need the cost that adds in the production and assembling of clutch.
Summary of the invention
The object of the invention is, provide the clutch of a kind of support of improvement and a kind of improvement, the support of described improvement and clutch can realize the radial flow characteristics of the improvement for surrounding fluid.Object of the present invention is by having the support of feature described in independent claims and clutch and being achieved.Dependent claims lists preferred embodiment.
Clutch is arranged for transmitting torque.According to a support for the friction element for described clutch of the present invention, comprising: spin axis, radial segment and the axial section adjoined at radially outer and described radial segment.This axial section comprises around described spin axis around the board extended, and this board alternately extends around described spin axis on different radii, thus forms the outer toothed portion be engaged in being used for positive in described friction element.Described board has opening being in the region in relatively large radius, for making surrounding fluid pass radially through, and described board in inner radial with interception element, for tackling described surrounding fluid, wherein, described interception element is opposed with described radial segment for described opening.
If support is in rotation status, then the surrounding fluid in this stent area is subject to centrifugal force.According to the present invention, described interception element is resisted the outflow in the axial direction of described fluid and works, and makes the Fluid Volume increased can flow through described opening.The fluid being arranged in the radially inner side of described board so can be collected in a kind of groove formed by four sides in described open area.Two opposed sides are formed by the radial flank of outer toothed portion.3rd side is drawn by the described radial segment of support.Four side opposite with described 3rd side relative to described opening is formed by described interception element.
By on the radially inner side of described opening to the interception of surrounding fluid, thus the radial flow of surrounding fluid on friction element direction can stronger or evenly.Described friction element so can in an improved way by surrounding fluid lubrication, cooling or clean.The stability of described friction element or load carrying capacity so can increase.
Preferably, described interception element is formed by described board.So can cancel the installation of described interception element in described board or cancel described interception element and described support is installed discretely.Manufacture cost can be saved thus.Described support can especially construct in the axial direction compactly.
In the first modification, described interception element comprises the section adjacent over said opening of described board.By be close to described opening location interception element, axis fluid stream towards radial direction fluid stream deflection time dynamic effect can be favourable.
Described interception element can comprise contact pin, and described contact pin is formed by described board, and wherein, the free end of described contact pin points to the direction of described radial segment.So, described interception element can be formed in a straightforward manner on support.The formation of described contact pin can be carried out with introducing in described board described opening simultaneously.Such as, described opening can be punched, and described contact pin can radially-inwardly be bent simultaneously.
Preferably, the bearing of trend of described contact pin and described spin axis surround acute angle.Preferably, in the scope of this angle between about 20 ° to 80 °, more preferably from about 30 ° to 60 °.Thus, axial fluid flow can be impelled to be deflected by described interception element and pass described opening diametrically.
In one embodiment, in the region being in relatively large radius of described axial section, be provided with multiple opening, wherein, the axial position of described opening is different from each other.The axial distribution of surrounding fluid stream can so improve.Especially, if the axially-aligned of multiple friction element is arranged on support, so can realize this arrangement evenly fluid supply.
In the second modification, described interception element comprises the radially-inwardly bending section of described axial section.Described interception element can be implemented with the form turning in portion especially, and wherein this border limit turning in portion can not create new Free Surface on support.In other words, described interception element can at radially outer as caving in and being introduced in described board as protuberance in inner radial.Thus, the otch that may develop into crack under a load can be avoided the formation of when forming described interception element.Described support so can be modified and be suitable for high loading or long-duration load.
In one embodiment, described interception element is positioned in deviating from an axial end portion of described radial segment of described axial section.So can more easily carrying out in order to the distortion forming described interception element of described board.
In the region being in relatively large radius of described axial section, can be provided with multiple interception element, wherein, described interception element is positioned at identical axial position.The formation on the bracket of described interception element so can be carried out in a simplified manner, such as, formed by during turning around its spin axis at support.The manufacture of this simplification can be conducive to the cost advantage of described support.
According to of the present invention for comprising relative to the clutch of spin axis transmitting torque: internal stent; First friction element, this first friction element is connected with described internal stent torque in locking manner by means of teeth portion; Outside support; With the second friction element, described second friction element is connected with described outside support torque in locking manner by means of teeth portion.At this, in the axial direction each other side by side, and described internal stent comprises support as described above to described friction element.
Described clutch is arranged to be particularly useful for double clutch, particularly with the double clutch of the clutch misplaced diametrically.
Accompanying drawing explanation
In more detail the present invention is described now with reference to accompanying drawing, in the accompanying drawings:
Fig. 1 illustrates the clutch for transmitting torque;
Fig. 2 illustrates the internal stent for the clutch of Fig. 1 in the first modification;
Fig. 3 illustrates the details of the internal stent of Fig. 2;
Fig. 4 illustrates the internal stent for the clutch of Fig. 1 in the second modification;
Fig. 5 illustrates the details of the internal stent of Fig. 4; And
Fig. 6 is another view of the internal stent of Fig. 4 and Fig. 5.
Embodiment
Fig. 1 illustrates for the clutch 100 relative to spin axis 105 transmitting torque.Clutch 100 is preferably designed for wet clutch, and namely, it is provided in surrounding fluid 110 and runs.Surrounding fluid 110 preferably includes oil.
Clutch 100 comprises: internal stent 115, outside support 120, first friction element 125 and the second friction element 130.Friction element 125 and 130 is arranged side by side in the axial direction.Preferably, be provided with multiple first friction element 125 and/or multiple second friction element 130, and described first friction element and described second friction element are alternately arranged in the axial direction.Described first friction element 125 is connected with internal stent 115 torque in locking manner by means of teeth portion, and the second friction element 130 is connected with outside support 120 torque in locking manner by means of another teeth portion.In the axial direction, friction element 125,130 can move along described teeth portion.If friction element 125,130 are pressed against each other in the axial direction, then can between internal stent 115 and outside support 120 transmitting torque.
Internal stent 115 comprises radial segment 135 and adjoins the axial section 140 of this radial segment 135 at radially outer.Preferably, section 135 and 140 is integrally implemented.Here, further preferably, section 135,140 can by board such as by means of drawing, punching press, bending or impression and shaping.In one embodiment, internal stent 115 also comprises: hub portion 145 or other element for introducing torque, and described hub portion 145 or other element for introducing torque are such as secured to described radial segment 135 by means of wedging, contraction or welding.
The surrounding fluid 110 being in the inner radial of internal stent 115 is also in rotation status by the rotary motion of internal stent 115 and is subject to centrifugal action, and surrounding fluid 110 radially extrudes by this centrifugal force in radial segment 135.Axial section 140 makes surrounding fluid 110 flow to deflect in the axial direction.Axial section 140 is provided with opening 150, by this opening 150 thus a part of radially outward of described fluid stream flow through on the direction of friction element 125 and 130.But another part of described fluid stream stops in the axial direction, thus surrounding fluid 110 flow through the speed before described opening 150 hold up power reduce.Therefore advise, axial section 140 is provided with interception element 155 at the opposite side of described opening 150, this interception element 155 is resisted fluid stream and is flowed out in the axis after opening 150.
The axial section 140 of internal stent 115 comprises board, and described board alternately extends around described spin axis 105 on different radii, to form outer toothed portion 160 and interior teeth portion 165.Outer toothed portion 160 be arranged for the first friction element 125 positive coordinate.Opening 150 is arranged in the region be in around spin axis 105 in relatively large radius of axial section 140.Under the influence of the centrifugal force, fluid stream is flowed from the region that the radial segment 135 of internal stent 115 is adjacent with axial section 140 by groove, the bottom of described groove is formed by the region extended in relatively large radius of axial section 140, further, the sidewall of described groove is formed by the transition part between relatively large radius and small radii of axial section 140.Opening 150 is positioned at the bottom of this groove, and the far-end of this groove is blocked element 155 stops.
Fig. 2 illustrates the internal stent 115 for the clutch 100 of Fig. 1 in the first modification.Opening 150 and interception element 155 are integrally implemented.Interception element 155 comprises contact pin 205, and this contact pin 205 is radially-inwardly stretched out from the board of the axial section 140 of internal stent 115.In one embodiment, contact pin 205 can additionally be shortened, and makes opening 150 larger than the area of contact pin 205.
Fig. 3 illustrates the details of the internal stent 115 of Fig. 2.Contact pin 205 comprises fixed end 305 and free end 310.Between these sides, contact pin 205 extends along bearing of trend 315.Fixed end 305 is opposed with the radial segment 135 of internal stent 115 for opening 150, and free end 310 radially-inwardly points to radial segment 135 and spin axis 105.Preferably, bearing of trend 315 and spin axis 105 surround acute angle.
If internal stent 115 is provided with multiple opening 150, then the axial position of these openings can be different, as exemplary visible in Fig. 2 and Fig. 3.Because contact pin 205 directly abuts against on opening 150, the axial position of therefore contact pin 205 is also different.
Fig. 4 illustrates the internal stent 115 for the clutch 100 of Fig. 1 in the second modification.At this, hub portion 145 is not shown.In this modification, interception element 155 is formed by the radially-inwardly bending section 405 of the axial section 140 of internal stent 115.Preferably, this section 405 is radially-inwardly bent like this, and the material of this axial section 140 need not be separated.During introducing this section 405 radially-inwardly bent, act on the shearing force in the board of axial section 140, preferably do not destroy the structure of the transition position between this section 405 and outer toothed portion 160 of this board at this.
If be provided with multiple opening 150, then preferably distribute to the aduncate section 405 of each opening 150 1, as illustrated in Fig. 4.Whether no matter change at the axial position of the periphery upper shed 150 around spin axis 105, preferably, section 405 is all arranged on identical axial position.Particularly preferably, allow section 405 to be adjacent to an axial end portion of axial section 140, this axial end portion is opposed with the axial end portion be transitioned in radial segment 135.
Fig. 5 illustrates the details of the internal stent 115 of Fig. 4.Illustrate, section 405 only must radially-inwardly be bent relatively slightly, to produce enough flow resistances, thus promotes that surrounding fluid 110 flows through opening 150.Preferably, section 405 extends on the whole width in following region, and the radius that axial section 140 is larger among two radiuses on the area extends.The axial width of section 405 can be little, has proved that about 1 to 2mm is enough.Changed by the size of section 405 in radial direction and circumference, can flow resistance be changed, thus obtain the flow characteristic of the adaptation of surrounding fluid 110.
Fig. 6 illustrates another view of the internal stent 115 of Fig. 4 and Fig. 5.
reference numerals list
100 clutches
105 spin axiss
110 surrounding fluids
115 internal stent
120 outside supports
125 first friction elements
130 second friction elements
135 radial segment
140 axial section
145 hub portions
150 openings
155 interception element
160 outer toothed portion
Teeth portion in 165
205 contact pin
305 fixed ends
310 free ends
315 bearing of trends
405 sections radially-inwardly bent
Claims (10)
1., for the support (115) of the friction element of clutch (100), described clutch (100) is for transmitting torque, and wherein, described support (115) comprising:
-spin axis (105);
-radial segment (135) and the axial section (140) adjoined at radially outer and this radial segment;
-wherein, described axial section (140) comprises around described spin axis (105) around the board extended, described board alternately extends around described spin axis (105) on different radiuses, thus forms the outer toothed portion (160) be engaged in being used for positive in described friction element;
-wherein, and described board has opening being in the region in relatively large radius, for making surrounding fluid (110) pass radially through,
It is characterized in that,
-in described board in inner radial with interception element, for tackling described surrounding fluid (110), wherein, described interception element is opposed with described radial segment (135) for described opening.
2. support (115) as claimed in claim 1, wherein, described interception element is formed by described board.
3. support (115) as claimed in claim 1, wherein, described interception element (155) comprises the section (205) adjacent over said opening of described board.
4. support (115) as claimed in claim 3, wherein, described interception element comprises contact pin (205), described contact pin (205) is formed by described board, further, the free end of described contact pin (205) points to the direction of described radial segment (135).
5. support (115) as claimed in claim 4, wherein, bearing of trend (315) and the described spin axis (105) of described contact pin (205) surround acute angle.
6. the support (115) according to any one of claim 3 to 5, wherein, in the region being in relatively large radius of described axial section (140), be provided with multiple opening (150), and the axial position of described opening (150) is different from each other.
7. support (115) as claimed in claim 1, wherein, described interception element (155) comprises the radially-inwardly bending section (405) of described axial section (140).
8. support (115) as claimed in claim 7, wherein, described interception element (205) is placed on the axial end portion deviating from described radial segment (135) of described axial section (140).
9. support (115) as claimed in claim 7 or 8, wherein, in the region being in relatively large radius of described axial section (140), be provided with multiple interception element (405), and described interception element (405) is positioned on identical axial position.
10. for the clutch (100) relative to spin axis (105) transmitting torque, wherein, described clutch (100) comprising:
-internal stent (115);
-the first friction element (125), this first friction element is connected with described internal stent (115) torque in locking manner by means of teeth portion (160),
-outside support (115);
-the second friction element (130), this second friction element is connected with described outside support (115) torque in locking manner by means of teeth portion,
-wherein, described friction element (125,130) in the axial direction each other side by side,
It is characterized in that,
-described internal stent (115) comprises as support in any one of the preceding claims wherein (115).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014203799 | 2014-03-03 | ||
| DE102014203799.9 | 2014-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104895946A true CN104895946A (en) | 2015-09-09 |
Family
ID=53801460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510088673.1A Pending CN104895946A (en) | 2014-03-03 | 2015-02-26 | Friction element carrier for a clutch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104895946A (en) |
| DE (1) | DE102014224368A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895088A (en) * | 2015-11-20 | 2017-06-27 | 舍弗勒技术股份两合公司 | Multi-disc clutch |
| CN113891998A (en) * | 2019-03-27 | 2022-01-04 | 宁波吉利汽车研究开发有限公司 | Torque transmission device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6725752B2 (en) * | 2017-08-18 | 2020-07-22 | ユニプレス株式会社 | Cylindrical part for holding clutch plate and press forming method thereof |
| FR3078375A1 (en) * | 2018-02-27 | 2019-08-30 | Valeo Embrayages | DISC RACK FOR A CLUTCH MECHANISM |
| DE102018217384A1 (en) * | 2018-10-11 | 2020-04-16 | Zf Friedrichshafen Ag | Inner disk carrier for a wet-running friction clutch |
| FR3090769A1 (en) * | 2018-12-20 | 2020-06-26 | Valeo Embrayages | INTERIOR DISC HOLDER FOR CLUTCH MECHANISM AND CLUTCH MECHANISM COMPRISING SUCH A DISC HOLDER |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07133830A (en) * | 1993-11-09 | 1995-05-23 | Aisin Aw Co Ltd | Clutch hub |
| JP2573200B2 (en) * | 1987-02-25 | 1997-01-22 | 山川工業株式会社 | Clutch hub |
| DE69725150T2 (en) * | 1996-08-19 | 2004-06-09 | Tesma International Inc., Concord | TORQUE-SUPPORTING ELEMENT IN A SWITCHING COUPLING |
| US20060054448A1 (en) * | 2004-09-09 | 2006-03-16 | Nsk-Warner K.K. | Clutch hub |
| US20070193848A1 (en) * | 2006-02-22 | 2007-08-23 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Clutch assembly with an oil pump clutch housing and a carrier engaged with a clutch pack outer circumference |
| DE102013213989A1 (en) * | 2012-07-20 | 2014-02-20 | Schaeffler Technologies AG & Co. KG | Coupling device and outer disk carrier |
-
2014
- 2014-11-28 DE DE102014224368.8A patent/DE102014224368A1/en not_active Withdrawn
-
2015
- 2015-02-26 CN CN201510088673.1A patent/CN104895946A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2573200B2 (en) * | 1987-02-25 | 1997-01-22 | 山川工業株式会社 | Clutch hub |
| JPH07133830A (en) * | 1993-11-09 | 1995-05-23 | Aisin Aw Co Ltd | Clutch hub |
| DE69725150T2 (en) * | 1996-08-19 | 2004-06-09 | Tesma International Inc., Concord | TORQUE-SUPPORTING ELEMENT IN A SWITCHING COUPLING |
| US20060054448A1 (en) * | 2004-09-09 | 2006-03-16 | Nsk-Warner K.K. | Clutch hub |
| US20070193848A1 (en) * | 2006-02-22 | 2007-08-23 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Clutch assembly with an oil pump clutch housing and a carrier engaged with a clutch pack outer circumference |
| DE102013213989A1 (en) * | 2012-07-20 | 2014-02-20 | Schaeffler Technologies AG & Co. KG | Coupling device and outer disk carrier |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895088A (en) * | 2015-11-20 | 2017-06-27 | 舍弗勒技术股份两合公司 | Multi-disc clutch |
| CN106895088B (en) * | 2015-11-20 | 2020-03-17 | 舍弗勒技术股份两合公司 | Multi-disc clutch |
| CN113891998A (en) * | 2019-03-27 | 2022-01-04 | 宁波吉利汽车研究开发有限公司 | Torque transmission device |
| CN113891998B (en) * | 2019-03-27 | 2023-09-19 | 宁波吉利汽车研究开发有限公司 | Torque transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014224368A1 (en) | 2015-09-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150909 |