WO2018065009A1 - Doppelkupplungseinrichtung - Google Patents
Doppelkupplungseinrichtung Download PDFInfo
- Publication number
- WO2018065009A1 WO2018065009A1 PCT/DE2017/100832 DE2017100832W WO2018065009A1 WO 2018065009 A1 WO2018065009 A1 WO 2018065009A1 DE 2017100832 W DE2017100832 W DE 2017100832W WO 2018065009 A1 WO2018065009 A1 WO 2018065009A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lubricant
- disk carrier
- clutch device
- disks
- carrier
- 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.)
- Ceased
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D21/00—Systems comprising a plurality of actuated clutches
- F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
- F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
-
- 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
- F16D13/22—Friction clutches with axially-movable clutching members
- F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
- F16D13/385—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs double clutches, i.e. comprising two friction disc mounted on one driven shaft
-
- 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
- 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
Definitions
- the invention relates to a dual-clutch device comprising a first clutch device comprising a first outer disk carrier with associated first outer disks and a first inner disk carrier with associated first inner disks, the first outer disks and the first inner disks forming a first disk set, and a second coupling device arranged radially inside the first coupling device comprising a second outer disk carrier with associated second outer disks and a second inner disk carrier with associated second inner disks, wherein the second outer disk and the second inner disk form a second disk set, and wherein the first inner disk carrier is rotatably connected to a first output hub and the second inner disk carrier with a second output hub ,
- Such a dual clutch device is used in a known manner to couple the output of a drive device such as an internal combustion engine with a transmission. This is done via two separate coupling devices, each of which has a disk pack.
- Each disk set comprises on an outer disk carrier usually axially movably arranged outer disks and on an inner disk carrier also axially movably arranged inner disks.
- the outer disks or the inner disks usually have a friction layer, so that when the respective disk set is compressed via an annular actuating element, for example a pressure pot, a frictional engagement occurs.
- an annular actuating element for example a pressure pot
- the two coupling devices can be operated separately, that is, one coupling device can be closed while the other is open, and vice versa.
- the two coupling devices are arranged radially in the embodiment of the Dopplungs worn affected here, that is, the first coupling means is radially further outward than the second coupling located within the first coupling means lungseinnchtung.
- the structure and function of such a dual clutch device is well known.
- a dual clutch device is a wet double clutch.
- this wet dual clutch device for heat dissipation from the disk packs, which naturally heat due to the frictional engagement when closing, an oil flow is passed through the disk packs. Since in the present case a radial coupling structure is described, the oil, which is usually supplied via one of the two output hubs, flows from radially inward to radially outward through the two plate packs, that is, it first flows through the radially inner plate pack and then on to the radially outer disc pack. This is done by cooling the individual disk packs respectively clutch devices. Connected with this is that also the respective open clutch is constantly oiled, so therefore oil flows through it. This leads to the generation of drag torque, after the oil is given a certain coupling of the rotating outer disks to the inner disks which are not actually rotating when the clutch device is open.
- the invention is based on the problem of specifying a contrast improved double coupling device.
- a leading to the first disk pack first lubricant channel and the second disk pack leading second lubricant channel is provided, both lubricant channels are separated from each other and each lubricant channel separately via at least one in the first and the second output hub provided lubricant supply bore can be supplied with lubricant.
- Lubricant supply in the respective coupling device ie in the respective part clutch. This is done via separate lubricant channels, as far as are possible separated from each other, so that a defined lubricant flow into the one coupling device and the other coupling device is possible.
- the respective lubricant channels which are present here in the form of annular channels extending radially from the inside to the outside, are made via the respective output hub to which the respective inner disk carrier of the first and the second clutch device is connected.
- at least one lubricant supply bore are provided in the first and in the second output hub. The lubricant is thus guided via the respective output hub in the respective lubricant channel and passes through this to the respective disk set.
- the separate lubricant channels and their separate lubricant supply it is thus possible to selectively supply only one or the other coupling device with a constant flow of lubricant.
- This offers the possibility to supply via a corresponding temperature and lubricant management only the coupling device with lubricant, so oil, which requires a supply, that is, the respective coupling device respectively the respective disc pack are optimally supplied according to its load with lubricant or oil can.
- the lubricant supply to the respective lubricant channels can be correspondingly controlled by a targeted control of the lubricant supply to the lubricant nozzle-side lubricant supply bores.
- the two lubricant channels are separated from each other. This is not to be understood as a perfect physical separation. Rather, the lubricant channels can communicate with each other insofar as, of course, the two coupling devices are coupled fluidly to one another in a certain way. The lubricant channels are therefore not hermetically separated. Due to the operation of such a double clutch and the fact that the
- Lubricant flows due to the given rotation of the components primarily in the radial direction, however, a substantial separation of the lubricant channels can be achieved after each channel a separate Schmierstoffzu GmbHbohrung is assigned to the respective output hub and consequently in a given passage the lubricant is introduced into the respective channel , This runs in the respective channel a radial preferred direction to the respective disk set, so that even this is supplied with lubricant.
- At least one circumferential shielding plate preventing the first disk pack from flowing from the second disk pack and the second outer disk carrier provided with perforations be arranged.
- a closed shielding plate is arranged between the two partial clutches, which, seen in the radial direction, separates the two coupling devices or plate packs from one another.
- the lubricant flow, which flows through the second, radially inner plate pack usually passes through the second outer disk carrier, which is provided with corresponding openings, from. About this downstream shielding this lubricant flow is then virtually deflected and discharged laterally so that he can not continue to flow to the first plate pack.
- the shielding plate is preferably pulled radially inwardly with an edge region, so that the edge is arranged directly adjacent to the second outer disk carrier. This prevents lubricant, that is to say oil, from flowing laterally between the second outer disk carrier and the shielding plate into the first lubricant channel leading to the first coupling device after flowing through the first disk packet.
- the shielding plate itself is preferably connected to the second outer disk carrier or to a connecting component connecting the first and the second outer disk carrier.
- the shielding plate is thus coupled to the outer disc carriers so as to rotate therewith.
- the shielding plate which prevents a radial flow of lubricant from the inner second disk pack to the outer first disk pack
- the second outer disk carrier only in one axially offset from the first disc pack lying support portion is provided with openings.
- the outer disk carrier is usually provided with openings in order to discharge the lubricant flowing through the disk pack.
- the openings are designed as longitudinal slots extending almost over the entire length of the outer disk carrier, in this embodiment of the invention, the openings are made only relatively short and lie in a carrier portion which is axially offset from the first disk set , The lubricant, which is discharged through these staggered openings, is thus discharged at a point where it can no longer flow to the radially outer first plate pack.
- the second outer disk carrier itself has a shielding function, since it is closed in the area in which it lies radially adjacent to the radially outer first disk pack, ie has no radial openings.
- the axially offset apertures on the second outer disk carrier are preferably provided in a region which, viewed axially, lies behind the connecting component connecting the first and the second outer disk carrier. Accordingly, the discharge takes place in a region in which the first radially outer plate pack is shielded axially via the connecting component, which is usually ring-shaped or disc-shaped. Seen axially, the first disk pack is thus located in front of this connecting component, while the lubricant is discharged axially behind this component.
- FIG. 1 is a schematic diagram of a dual-clutch device according to the invention of a first embodiment
- Figure 2 is a schematic representation of a second outer disk carrier of the dual clutch device of Figure 1 in a side view
- Figure 3 is a schematic diagram of a dual clutch device according to the invention a second embodiment.
- FIG. 1 shows a double clutch device 1 according to the invention, comprising a first clutch device 2 with a first outer disk carrier 3 with associated first outer disks 4 and a first inner disk carrier 5 with associated first inner disks 6.
- the outer disks 4 are, for example, steel disks, while it is in the inner disk 6 is friction plates with a friction lining.
- the first outer disk carrier 3 is connected to a driven shaft 7 driven by an internal combustion engine or the like.
- the first inner disk carrier is connected to an output hub 8, which is coupled to a leading to a transmission not shown here output shaft connected.
- the first outer and inner disks 4, 6 form a first disk set 9, wherein the respective disks are arranged axially movable on the outer and the inner disk carrier 3, 5. They can be compressed axially via an actuating element 10, here for example a pressure pot, so that a frictional connection results and the first coupling device 2 can be closed if necessary.
- an actuating element 10 here for example a pressure pot
- a second clutch device 1 comprising a second outer disk carrier 12 with associated second outer disks 13, which in turn are steel disks. Also provided is a second inner disk carrier 14 with inner disks 15 arranged thereon, which are likewise friction disks with a friction lining.
- the second outer disk carrier 12 is coupled via a connecting member 16 with the first outer disk carrier 3, so that a rotation of the first outer disk carrier 3 automatically to a rotation of the second outer disk carrier 12th leads.
- the second inner disk carrier 14 is coupled to a second output hub 17, which also leads to the transmission not shown in detail.
- the second outer and inner disks 13, 15 form a second disk package 18, which, if required, by way of an actuating element 19, here also exemplarily a pressure pot, due to the axially movable mounting of the outer and inner disks 13, 15 on the outer and inner disk carrier 12, 14 can be compressed axially, so that here too sets a frictional engagement and the coupling device 1 1 is closed.
- an actuating element 19 here also exemplarily a pressure pot
- a torque introduced via the drive shaft 7 can be transmitted either to the first output hub 8 via the first clutch device 2 or to the second output hub 17 via the second clutch device 11.
- the basic structure and the function of such a dual clutch device 1 is known.
- two separate, largely separated lubricant passages 20, 21 are provided.
- a targeted supply of lubricant ie an oil supply to the first coupling device 2
- the second lubricant channel 21 a corresponding lubricant supply to the second coupling device 11.
- the two output hubs 8, 17 each have separate lubricant supply bores 22, 23.
- a plurality of such lubricant supply bores 22, 23 are preferably distributed around the circumference of the output hubs 8, 17, so that the lubricant can be guided as far as possible into the respective lubricant channel 20, 21, which are circumferential annular channels.
- the lubricant supply is represented by the respective arrows A, B.
- the respective lubricant flow is represented by the flow lines C in the region of the first lubricant channel 20 and the flow lines D in the region of the second lubricant channel 21.
- the lubricant supplied via the lubricant feed bores 22 initially flows radially in the intermediate space between the first inner disk carrier 5 and a support plate 24 which is arranged on the second inner disk carrier 14.
- the lubricant then flows laterally past the radially further inwardly located second clutch device 11, ie past the second disk set 18. Since rotating components are present within the clutch system, in particular the outer disk carriers 3, 12, which rotate permanently, as well as the respective inner disk carrier of the closed clutch device , inevitably results in a primarily radially directed flow direction. As a result, the lubricant flows laterally along the second clutch device 11 past the first clutch device 2.
- the first inner disk carrier 5 from radially inflowing lubricant passes through radial openings 25 on the first inner disk carrier 5 and passes to the first disk pack 9 and there between the slats 4, 6 to cool them.
- the lubricant can then leave the first coupling device 2 again via corresponding radial slot-like openings 26 on the outer disk carrier 3.
- the supply of lubricant thereto takes place only when the coupling device 2 is closed, so that it is actively cooled when there is a rubbing action and therefore heat is generated. However, if the clutch device 2 is opened, there is no active supply of lubricant, so that the drag torque between the separate, ventilated inner and outer disks 4, 6 is reduced, since only a small amount of lubricant between the disks, which lead to a drag torque generating coupling can, is given.
- the lubricant flow in the second lubricant channel 21, shown via the flow line D initially flows radially between the support plate 24 and the second inner plate carrier 14 to the second coupling device 11.
- the lubricant then flows to the second inner disk carrier 14 and through this through corresponding openings 27 to the second disk set 18. Then it flows to the second outer disk carrier 12.
- the second outer disk carrier 12 Unlike the first outer disk carrier 3, which has a plurality of distributed in the axial and circumferential directions openings 26th or has perforations 26 in slot shape, the second outer disk carrier 12 only at one axially offset from the first disk pack 9 support portion 28 corresponding openings 29, as shown in Figure 2 by way of example.
- the remaining area of the second disk carrier 12 is closed, that is to say in particular the area which is radially adjacent to the first clutch device 2 or to the first disk pack 9.
- these openings 29 are axially offset from the first plate pack 9. They are arranged in a region "behind" the ring-shaped or disk-shaped connection component 16, that is, in a region which, via the connection component 16, is the actual plate pack area In this way, it is ensured that the lubricant flowing through the second disk pack 18 does not reach the first disk pack 9.
- the second plate pack 18 with lubricant if this is necessary, ie if the second coupling device 11 and thus the second plate set 18 are closed. If it is open, there is no active lubricant supply. Any drag torque between the separate, ventilated lamellae 13, 15 is significantly reduced, since only slight amounts of lubricant are present in the lamella area.
- the supply of the lubricant via the lubricant bores 22, 23 into the first or the second lubricant channel 20, 21 can be effected via a corresponding, upstream valve unit, which regulates the lubricant supply to the corresponding output hubs, depending on the desired or given closed state of the coupling devices 2, 11 be achieved.
- FIG. 3 shows an alternative embodiment of a dual-clutch device according to the invention, where the same reference numbers are used as necessary for the same components.
- the structure is identical to that according to FIG. 1. That is to say, the double clutch device 1 from FIG. 3 likewise has a first clutch device 2 and a second clutch device 11.
- the first clutch device 2 has an outer disk carrier 3 with axially movable outer disks 4 and an inner disk carrier 5 with axially movable inner disks 6.
- the second clutch device likewise has an outer disk carrier 12 with outer disks 13 axially movable thereon and an inner disk carrier 14 with inner disks 15 axially movable thereon.
- two separate are provided
- the two disk packs 9, 18 can be actively supplied with lubricant via the respective lubricant channel 20, 21 if necessary.
- an axially extending, circumferential shielding plate 30 is provided for the radial separation or shielding of the first coupling device 2 from the second coupling device 11, which radially extends between the second outer plate carrier 12 and the first inner plate carrier 5 is arranged.
- the shielding plate 30, which is angled or bent radially inward with its free edge 31 so that it runs as closely as possible adjacent to the second outer plate carrier 12, is connected to the other end in FIG shown attached to the connecting member 16, that is, that the shield plate 30 rotates with the outer disk carriers 3, 12.
- the outer disk carrier 2 has here the usual per se radial openings 29, here in the form of circumferentially distributed slots, so that are also present in a range in which the outer disk carrier 12 is radially adjacent to the first coupling device 2. Because of the closed, non-perforated shielding plate 30, a further flow of the lubricant to the first coupling device 2 is prevented. Rather, the lubricant, as shown in Figure 3, flows axially to the side and quasi "behind" the disc or annular connecting member 16.
- a separate shielding plate 30 is provided for radial shielding, while in the embodiment according to Figure 1 for radial shielding of the second outer disk carrier 12 only in a certain area, which is radially not adjacent to the first coupling device 2, perforated with the openings 29.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201780062095.1A CN109790875B (zh) | 2016-10-06 | 2017-09-28 | 双离合器装置 |
| DE112017005073.1T DE112017005073B4 (de) | 2016-10-06 | 2017-09-28 | Doppelkupplungseinrichtung |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016219326.0A DE102016219326A1 (de) | 2016-10-06 | 2016-10-06 | Doppelkupplungseinrichtung |
| DE102016219326.0 | 2016-10-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2018065009A1 true WO2018065009A1 (de) | 2018-04-12 |
| WO2018065009A9 WO2018065009A9 (de) | 2019-04-11 |
Family
ID=60164556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2017/100832 Ceased WO2018065009A1 (de) | 2016-10-06 | 2017-09-28 | Doppelkupplungseinrichtung |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN109790875B (de) |
| DE (2) | DE102016219326A1 (de) |
| WO (1) | WO2018065009A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116113776A (zh) * | 2020-10-22 | 2023-05-12 | 舍弗勒技术股份两合公司 | 双离合器传动装置和车辆的混合动力模块 |
| CN116249843B (zh) * | 2020-10-28 | 2026-03-20 | 舍弗勒技术股份两合公司 | 离合器和混合动力系统 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1610018A2 (de) * | 2004-06-24 | 2005-12-28 | BorgWarner Inc. | Kupplung |
| DE102014223033A1 (de) * | 2013-12-04 | 2015-06-11 | Schaeffler Technologies AG & Co. KG | Nasslaufende radiale Doppelkupplung |
| DE102015208372A1 (de) * | 2014-09-26 | 2016-03-31 | Schaeffler Technologies AG & Co. KG | Mehrfachkupplungseinrichtung für ein Nutzfahrzeug sowie Drehmomentübertragungseinrichtung oder Kupplung |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3124493U (ja) * | 2006-06-09 | 2006-08-17 | 株式会社ダイナックス | 湿式デュアルクラッチの冷却構造 |
| JP4414996B2 (ja) * | 2006-11-21 | 2010-02-17 | 株式会社エクセディ | 複式クラッチ装置 |
| DE112009001462B4 (de) * | 2008-06-16 | 2016-07-07 | Schaeffler Technologies AG & Co. KG | Doppelkupplung |
| DE102009039223B8 (de) * | 2009-08-28 | 2013-05-08 | Getrag Ford Transmissions Gmbh | Doppelkupplungsanordnung für ein Getriebe mit zwei Eingangswellen |
| RU2582507C1 (ru) * | 2013-03-11 | 2016-04-27 | Ниссан Мотор Ко., Лтд. | Устройство передачи мощности приведения в движение |
| WO2014154217A1 (de) * | 2013-03-26 | 2014-10-02 | Schaeffler Technologies Gmbh & Co. Kg | Lagerung und axiale abstützung einer doppelkupplung an einer getriebeeingangswelle |
| DE102014212805A1 (de) * | 2013-07-19 | 2015-01-22 | Schaeffler Technologies Gmbh & Co. Kg | Doppelkupplungseinrichtung |
| CN104061319B (zh) * | 2014-03-05 | 2016-08-17 | 宁波吉利罗佑发动机零部件有限公司 | 一种用于双离合器变速器的双离合器润滑结构 |
| DE102015207201A1 (de) * | 2014-04-30 | 2015-11-05 | Schaeffler Technologies AG & Co. KG | Doppelkupplungseinrichtung |
| DE102015207200A1 (de) * | 2014-04-30 | 2015-11-05 | Schaeffler Technologies AG & Co. KG | Doppelkupplungseinrichtung |
| DE102014212406A1 (de) * | 2014-06-27 | 2015-12-31 | Schaeffler Technologies AG & Co. KG | Nasse Lamellendoppelkupplung |
| DE102014212421A1 (de) * | 2014-06-27 | 2015-12-31 | Schaeffler Technologies AG & Co. KG | Nasse Lamellendoppelkupplung mit Hebeln außerhalb des Nassraums |
| DE102014220909A1 (de) * | 2014-10-15 | 2016-04-21 | Schaeffler Technologies AG & Co. KG | Kupplungseinrichtung sowie Doppelkupplungseinrichtung |
| DE102015219594A1 (de) * | 2015-10-09 | 2017-04-13 | Schaeffler Technologies AG & Co. KG | Lamellenträger für eine Lamellenkupplung |
-
2016
- 2016-10-06 DE DE102016219326.0A patent/DE102016219326A1/de not_active Withdrawn
-
2017
- 2017-09-28 CN CN201780062095.1A patent/CN109790875B/zh active Active
- 2017-09-28 WO PCT/DE2017/100832 patent/WO2018065009A1/de not_active Ceased
- 2017-09-28 DE DE112017005073.1T patent/DE112017005073B4/de active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1610018A2 (de) * | 2004-06-24 | 2005-12-28 | BorgWarner Inc. | Kupplung |
| DE102014223033A1 (de) * | 2013-12-04 | 2015-06-11 | Schaeffler Technologies AG & Co. KG | Nasslaufende radiale Doppelkupplung |
| DE102015208372A1 (de) * | 2014-09-26 | 2016-03-31 | Schaeffler Technologies AG & Co. KG | Mehrfachkupplungseinrichtung für ein Nutzfahrzeug sowie Drehmomentübertragungseinrichtung oder Kupplung |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109790875B (zh) | 2021-03-23 |
| WO2018065009A9 (de) | 2019-04-11 |
| CN109790875A (zh) | 2019-05-21 |
| DE112017005073B4 (de) | 2025-12-31 |
| DE112017005073A5 (de) | 2019-06-19 |
| DE102016219326A1 (de) | 2018-04-12 |
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