WO2011141012A2 - Zentralausrücker zur betätigung einer reibungskupplung - Google Patents
Zentralausrücker zur betätigung einer reibungskupplung Download PDFInfo
- Publication number
- WO2011141012A2 WO2011141012A2 PCT/DE2011/000407 DE2011000407W WO2011141012A2 WO 2011141012 A2 WO2011141012 A2 WO 2011141012A2 DE 2011000407 W DE2011000407 W DE 2011000407W WO 2011141012 A2 WO2011141012 A2 WO 2011141012A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- feed channel
- housing
- zentralausrücker
- friction clutch
- guide sleeve
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
- F16D25/083—Actuators therefor
Definitions
- the invention relates to a Monausschreiber for actuating a friction clutch, a friction clutch with such a Monausschreiber and a motor vehicle with such a friction clutch.
- the invention has for its object to provide a more compact Gottitzer.
- a Gottausschreiber for actuating a friction clutch, comprising a housing for guiding an annular piston received therein which is coupled to a release bearing, by means of which movement the friction clutch can be coupled, wherein the housing adjacent to the annular piston forms a pressure chamber with a supply channel is connected, wherein the feed channel is arranged radially within the pressure chamber.
- a clutch of the drawn type is actuated by means of a pressure force transmitting release bearing.
- the feed channel has an annular cross-section. This results in a uniform supply of hydraulic fluid in the circumferential direction and thus a more uniform actuation of the slave piston.
- an at least partially annular base body is formed on the outside of the feed channel in the form of a recess which is covered by a guide sleeve, which in turn separates the feed channel of the housing, wherein the hydraulic fluid compensation at least one opening is provided between the feed channel and the pressure chamber.
- the friction clutch is formed such that further comprises an outer housing fixed by the guide sleeve, wherein the pressure chamber is delimited by the Physicsshüise, the outer housing and the annular piston.
- the main body made of plastic, the guide sleeve made of metal and the outer casing are made of plastic.
- the supply passage may be arranged such that a flow of the hydraulic fluid therein is opposite to a moving direction of the ring piston.
- the Gottausscher may be formed so that sealing rings are provided between the guide sleeve and the outer side of the base body, in the region of the longitudinal ends of the feed channel. These lead to a secure seal, especially when using different materials.
- a pressure line is further provided radially within one of the sealing rings, via which the supply channel can be fed with hydraulic fluid.
- the invention provides a friction clutch with one of the above-described central releases.
- the invention provides a friction clutch, in particular in the drive train of a motor vehicle, provided with a pressure plate which can be pressed for frictional power transmission to a clutch disc and a plate spring of the clutch disc is releasable, wherein the plate spring means of a housing and a in this guided annular piston can be actuated, wherein the housing is arranged on the side facing the clutch disc of the plate spring.
- the invention provides a motor vehicle with one of said friction clutches, by means of which a crankshaft and a transmission shaft for torque transmission can be coupled.
- the described central release can be used in connection with a detachable crankshaft pulley.
- Figure 1 is a schematic diagram of a central release according to the invention in
- Figure 2 is a sectional view of the invention Gottausschreibers.
- Figure 1 shows a schematic diagram of a central release according to the invention in combination with a friction clutch of the drawn type.
- the friction clutch 1 is more precisely a disc spring clutch with an annular pressure plate 2, a ring-shaped shaped counter-pressure plate 3 and a plate spring 4 which are all connected to each other torsionally rigid.
- This arrangement is also centrally and concentrically connected to a coming from a not shown internal combustion engine crankshaft 5 torsionally rigid, which is rotatably mounted about an axis of rotation 6, ie the longitudinal axis of the crankshaft 5 corresponds to the axis of rotation 6.
- Clutch plate 7 is arranged, which is rotationally rigidly connected centrally and concentrically with a transmission shaft 14, which in turn is rotatably supported about the rotation axis 6, ie, the longitudinal axis of the transmission shaft 14 corresponds to the axis of rotation 6.
- the plate spring 4 presses the pressure plate 2 to the counter-pressure plate 3, so that the clutch disc 7 is clamped between the pressure plate 2 and the counter-pressure plate 3 and a torque between the crankshaft 5 and the transmission shaft 14 is frictionally transferable.
- the rotatable about the axis of rotation 6 plate spring 4 is connected via a release bearing 8 with a relative to the vehicle non-rotating Monausschreiber 15.
- the Monausschreiber 15 includes in addition to the release bearing 8 an annular piston 9 and a housing 10, in whose pressure chamber 11 of the annular piston 9 is guided.
- the annular piston 9 is designed as a circular piston and the housing 10 has an annular cross-section, in which the annular piston 9 is guided.
- the pressure chamber 11 is fed via a radially extending within the pressure chamber 11, annular feed channel 12 hydraulic fluid. The supply of hydraulic fluid as the pressure medium takes place on the radially inner slave cylinder inner surface.
- the feed channel 12 is fed to the pressure chamber 11 opposite end by means of a pressure line 13 from a master cylinder 16 with hydraulic fluid.
- the master cylinder 16 is pressurized by means of a piston, so that the pressure chamber 11 is pressurized via the pressure line 13 and the feed channel 12.
- the release bearing 8 and the diaphragm spring 4 connected thereto are pressed by the annular piston 9 in the direction away from the clutch disc 7.
- FIG. 2 shows a sectional view of the invention Primaaus Wegers according to the embodiment described above.
- a base body 17 is substantially hollow cylinder-shaped and preferably made of plastic.
- a recess is introduced, which forms the feed channel 12.
- the recess extends as a channel with an annular cross-section in the longitudinal direction of the base body 17.
- a radially projecting pressure line connecting piece 30 is formed integrally therewith on the outside of the base body 17, wherein the base body 17 is preferably cast.
- the pressure line nozzle 30 widens in a funnel shape and is provided with the master cylinder 16.
- a pressure line 13 in the form of rectilinear channels is formed which connect the master cylinder 16 to the feed channel 12.
- Radially within the feed channel of the base body 17 is provided with a cylindrical, continuous space 31, so that over the entire length in the center of the Monaussterers the space 31 for passing the gear shaft 14 is available.
- the recess of the feed channel 12 is covered with a guide sleeve 18.
- the guide sleeve 18 is preferably a mushroom-shaped metal sheet.
- the guide sleeve 18 extends as a rectilinear cylinder having a diameter which is slightly smaller than the largest outer diameter of the hollow cylinder of the base body 17, along about 80% of the hollow cylinder.
- the guide sleeve 18 extends substantially radially outward before it then extends again in the axial direction onto the pressure line connecting piece 30.
- the radially inner side of the guide sleeve 18 covers the recess in the base body 17 and thus forms the feed channel 12.
- a double-walled body-guide sleeve combination is created, which allows a supply of the pressure medium from the clutch-facing side.
- annular groove is formed in the outer wall of the main body 17, in each of which a sealing ring 19 is inserted to seal the recess relative to the guide sleeve 18.
- a sealing ring 19 is inserted to seal the recess relative to the guide sleeve 18.
- the outer housing 20 is in the longitudinal direction in about half as long as the guide sleeve 18 and has at a front end on the radially outer side of a circumferentially extending web, which is encompassed by one end of the guide sleeve 18. In the encompassed by the guide sleeve 18 front end of the outer housing 20, this is provided with a circumferentially extending annular groove which receives a sealing ring 21.
- the radial inside of the outer housing 20 and the opposite side of the guide sleeve 18 (the outside of the cylindrical portion) are concentric with each other and form between the housing 10 in the form of an annular gap. In the annular gap of the annular piston 9 is received.
- the annular piston 9 comprises a piston body 32, which is provided at its pressure chamber side end by means of an annular seal carrier 24 with a sealing ring 23 which has a substantially V-shaped cross-section and the sealing foot is clamped in the seal carrier 24, which in turn one on the piston body 32nd trained, engages around the radially outer side extending in the circumferential direction web.
- the piston body 32 is annular and made of plastic. Adjacent to the sealing ring 23, the pressure chamber 11 is formed in the housing 10. This pressure chamber 11 is connected via at least one opening 29 to the feed channel 12, which is introduced as at least one hole in the guide sleeve 18 in the region of the pressure chamber side longitudinal end of the feed channel 12.
- a plurality of openings is introduced into the guide sleeve 18, which are evenly distributed in the circumferential direction.
- the annular piston 9, or more precisely the piston body 32 is coupled on the side facing away from the pressure chamber with the release bearing 8, so that a movement of the annular piston 9 leads to a movement of the release bearing 8 and thus the plate spring 4.
- the release bearing 8 essentially comprises two L-shaped bearing rings with rolling elements arranged therebetween. At the bearing outer ring, a substantially axially extending flank forms the running surface and a flank extending in the radial direction on the side facing away from the pressure chamber 11 a plate spring contact surface 25 against which the plate spring 4 bears.
- a retaining ring 33 is provided with a substantially S-shaped cross-section.
- one end of the retaining ring 33 engages around a circumferentially extending web of the piston body 32 and the other end surrounds the free end of the serving for fixing portion of the bearing inner ring.
- a preload spring 27 is provided, which extends in the axial direction in the cylindrical direction and has an inner diameter which is slightly larger than the outer diameter of the outer housing 20. A longitudinal end of the preload spring 27 abuts against the web of the outer housing 20, which is encompassed by the guide sleeve 18. Between the other end of the preload spring 27 and the free end of serving as a running surface portion of the bearing inner ring, a guide ring 28 is arranged.
- the guide ring 28 is preferably made of metal and has at both longitudinal ends an axially extending support surface and extending therebetween Stop extending radially outward. On one of these bearing surfaces is the preload spring 27 and on the other bearing surface is the free end of the bearing inner ring.
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112011101630.1T DE112011101630B4 (de) | 2010-05-10 | 2011-04-14 | Zentralausrücker zur Betätigung einer Reibungskupplung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010019972 | 2010-05-10 | ||
DE102010019972.9 | 2010-05-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011141012A2 true WO2011141012A2 (de) | 2011-11-17 |
WO2011141012A3 WO2011141012A3 (de) | 2012-02-16 |
Family
ID=44263083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2011/000407 WO2011141012A2 (de) | 2010-05-10 | 2011-04-14 | Zentralausrücker zur betätigung einer reibungskupplung |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE112011101630B4 (de) |
WO (1) | WO2011141012A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112145574A (zh) * | 2020-09-18 | 2020-12-29 | 西安法士特汽车传动有限公司 | 一种中央式离合器执行机构安装辅助支架及其使用方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014207284A1 (de) | 2014-04-16 | 2015-10-22 | Schaeffler Technologies AG & Co. KG | Kupplungsbetätigungs-Zylindergehäuse |
DE102015202728B4 (de) | 2015-02-16 | 2024-06-20 | Schaeffler Technologies AG & Co. KG | Haltevorrichtung eines Ausrücklagers einer Fahrzeugkupplung |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006047300A1 (de) | 2005-10-29 | 2007-05-03 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Zentralausrücker |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19742468A1 (de) | 1997-09-26 | 1999-04-01 | Schaeffler Waelzlager Ohg | Nehmerzylindergehäuse aus Kunststoff, in das eine Führungshülse aus Stahl eingesetzt ist |
DE102006031651A1 (de) * | 2006-07-08 | 2008-01-10 | Zf Friedrichshafen Ag | Fluidbetätigbares Kupplungsausrücksystem für eine Reibungskupplung |
DE102007003442A1 (de) | 2007-01-23 | 2008-07-24 | Zf Friedrichshafen Ag | Kopplungsanordnung |
DE112009001518A5 (de) * | 2008-07-14 | 2011-04-07 | Schaeffler Technologies Gmbh & Co. Kg | Doppelkupplung |
DE102009042821A1 (de) * | 2008-10-22 | 2010-04-29 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Betätigungseinrichtung |
-
2011
- 2011-04-14 DE DE112011101630.1T patent/DE112011101630B4/de not_active Expired - Fee Related
- 2011-04-14 WO PCT/DE2011/000407 patent/WO2011141012A2/de active Application Filing
- 2011-04-14 DE DE102011016985A patent/DE102011016985A1/de not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006047300A1 (de) | 2005-10-29 | 2007-05-03 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Zentralausrücker |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112145574A (zh) * | 2020-09-18 | 2020-12-29 | 西安法士特汽车传动有限公司 | 一种中央式离合器执行机构安装辅助支架及其使用方法 |
CN112145574B (zh) * | 2020-09-18 | 2022-03-29 | 西安法士特汽车传动有限公司 | 一种中央式离合器执行机构安装辅助支架及其使用方法 |
Also Published As
Publication number | Publication date |
---|---|
DE112011101630B4 (de) | 2018-07-19 |
DE112011101630A5 (de) | 2013-03-14 |
DE102011016985A1 (de) | 2011-12-08 |
WO2011141012A3 (de) | 2012-02-16 |
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