DE102010002932A1 - Synchronization unit for vehicle transmission, has synchronous body and synchronizer whose inclined surfaces are pushed by force acting along circumferential direction toward synchronous body such that working force component arises - Google Patents
Synchronization unit for vehicle transmission, has synchronous body and synchronizer whose inclined surfaces are pushed by force acting along circumferential direction toward synchronous body such that working force component arises Download PDFInfo
- Publication number
- DE102010002932A1 DE102010002932A1 DE102010002932A DE102010002932A DE102010002932A1 DE 102010002932 A1 DE102010002932 A1 DE 102010002932A1 DE 102010002932 A DE102010002932 A DE 102010002932A DE 102010002932 A DE102010002932 A DE 102010002932A DE 102010002932 A1 DE102010002932 A1 DE 102010002932A1
- Authority
- DE
- Germany
- Prior art keywords
- synchronizer
- synchronous body
- synchronizer ring
- vehicle transmission
- elastic element
- 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.)
- Withdrawn
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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
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
- F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
-
- 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
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/025—Synchro rings
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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
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
- F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
- F16D2023/0618—Details of blocking mechanism comprising a helical spring loaded element, e.g. ball
-
- 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
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
- F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
- F16D2023/0637—Details relating to the hub member on which the sliding is arranged
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Description
Die Erfindung betrifft eine Synchronisierung mit einer Einrichtung zur Vermeidung von Verlusten nach dem Oberbegriff von Anspruch 1.The invention relates to a synchronization with a device for avoiding losses according to the preamble of claim 1.
Synchronisierungen in Kraftfahrzeuggetrieben weisen häufig zwischen einem auf einer Getriebewelle drehfest angeordneten Synchronkörper und einem mit einem rotierenden Bauteil wie einem Zahnrad drehfest verbundenen Kupplungskörper einen Synchronring auf, der sich relativ gegenüber dem Synchronkörper und dem Kupplungskörper zumindest geringfügig um die Rotationsachse der Getriebewelle verdrehen kann.Synchronizations in motor vehicle transmissions often have between a rotatably mounted on a gear shaft synchronizer body and a rotatably connected to a rotating component such as a gear coupling body a synchronizer ring which can rotate relative to the synchronizer body and the coupling body at least slightly about the axis of rotation of the transmission shaft.
Eine Synchronisierung bekannter Bauart umfasst weiter eine Schiebemuffe, mit der der Synchronkörper und der Kupplungskörper zu einer Drehmomentübertragung drehfest verbunden werden können. Drehen sich Synchronkörper und Kupplungskörper vor der drehfesten Verbindung mit unterschiedlicher Drehzahl, dann ermöglicht der Synchronring eine Unterstützung der Drehzahlangleichung. Dazu weist der Synchronring und der Kupplungskörper je eine aufeinander abgestimmte, konusförmige Reibfläche auf. Über die Schiebemuffe werden die beiden Reibflächen aufeinandergedrückt, reiben aneinander und gleichen dadurch die Drehzahl an.A synchronization of known type further comprises a sliding sleeve, with which the synchronizer body and the coupling body can be rotatably connected to a torque transmission. If the synchronizer body and the coupling body rotate at different speeds in front of the non-rotatable connection, the synchronizer ring facilitates speed adaptation. For this purpose, the synchronizer ring and the coupling body each have a coordinated, conical friction surface. About the sliding sleeve, the two friction surfaces are pressed together, rub against each other and thereby equalize the speed.
Damit die beiden Reibflächen axial in Richtung der Rotationsachse aufeinandergedrückt werden können, bedarf es eines axialen Freiheitsgrades des Synchronringes. Sobald die drehfeste Verbindung zwischen Synchronkörper und Kupplungskörper wieder gelöst wird, führt dieser axiale Freiheitsgrad dazu, dass der Synchronring sich im Bauraum zwischen Synchronkörper und Kupplungskörper frei bewegen und dabei mit den benachbarten Bauteilen in Berührung geraten kann. Insbesondere kann es zu einer ungewollten Reibberührung der beiden Reibflächen an Synchronring und Kupplungskörper kommen. Dieser Kontakt erzeugt Schleppmomente und somit Durchtriebsverluste im Getriebe. Im Extremfall kann es zu starker lokaler Wärmeentwicklung kommen, verbunden mit Überhitzungserscheinungen an den Reibflächen und einer möglichen Schädigung des Reibbelags.Thus, the two friction surfaces can be axially pressed together in the direction of the axis of rotation, it requires an axial degree of freedom of the synchronizer ring. Once the non-rotatable connection between the synchronizer body and the coupling body is released again, this axial degree of freedom causes the synchronizer ring to move freely in the space between the synchronizer body and the coupling body and thereby come into contact with the adjacent components. In particular, there may be an undesired frictional contact of the two friction surfaces on the synchronizer ring and the coupling body. This contact generates drag torque and thus drive losses in the transmission. In extreme cases, it can lead to strong local heat development, associated with overheating phenomena on the friction surfaces and possible damage to the friction lining.
Aus dem
Der Erfindung liegt die Aufgabe zugrunde, eine Einrichtung aufzuzeigen, die bei einer Synchronisierung Verluste in der Synchronisierung verringert.The invention has for its object to provide a device that reduces synchronization losses in synchronization.
Die Aufgabe wird gelöst durch eine Einrichtung mit den Merkmalen des Anspruchs 1. Ausgestaltungen sind Gegenstand von Unteransprüchen.The object is achieved by a device having the features of claim 1. Embodiments are the subject of dependent claims.
Gemäß der Erfindung ist eine Synchronisierung für ein Fahrzeuggetriebe vorgesehen, die eine Schiebemuffe, einen Synchronring, einen Kupplungskörper und einen Synchronkörper umfasst, der auf einem um eine Rotationsachse drehenden Bauteil angeordneten ist.According to the invention, a synchronization for a vehicle transmission is provided, which comprises a sliding sleeve, a synchronizer ring, a coupling body and a synchronizer body, which is arranged on a rotating member about a rotation axis.
Erfindungsgemäß ist an dem Synchronkörper und an dem Synchronring jeweils wenigstens eine geneigte Fläche vorgesehen. An diesen zur Umfangsrichtung der Synchronisierung geneigten Flächen berühren sich der Synchronkörper und der Synchronring flächig, also mit einem auf einer Fläche stattfindenden Kontakt. Wenigstens ein zwischen dem Synchronkörper und dem Synchronring wirkendes elastisches Element ist vorgesehen, das eine in Umfangsrichtung der Synchronisierung wirkende Kraft erzeugt und den Synchronring und den Synchronkörper tangential gegeneinander verspannt.According to the invention, in each case at least one inclined surface is provided on the synchronizer body and on the synchronizer ring. At these inclined to the circumferential direction of the synchronization surfaces of the synchronizer body and the synchronizer ring surface, so with a taking place on a surface contact. At least one acting between the synchronizer body and the synchronizer ring elastic element is provided which generates a force acting in the circumferential direction of the synchronizing force and the synchronizer ring and the synchronizer body clamped tangentially against each other.
Diese Kraft in Umfangsrichtung drückt die geneigten Flächen von Synchronkörper und Synchronring so aufeinander, dass an dem Synchronring eine in Richtung des Synchronkörpers wirkende Kraftkomponente entsteht. Diese Kraftkomponente drückt den Synchronring in Richtung des Synchronkörpers, so dass ein sicherer Spalt zwischen der konusförmigen Reibfläche des Synchronrings und der korrespondierenden konusförmigen Reibfläche am Kupplungskörper entsteht.This force in the circumferential direction presses the inclined surfaces of the synchronizer body and the synchronizer ring toward one another such that a force component acting in the direction of the synchronizer body is produced on the synchronizer ring. This force component pushes the synchronizer ring in the direction of the synchronizer body, so that a secure gap between the cone-shaped friction surface of the synchronizer ring and the corresponding conical friction surface is formed on the coupling body.
Während des Schaltvorgangs gleiten die geneigten Flächen aneinander vorbei und der Synchronring kann axial in Richtung auf den Kupplungskörper verschoben werden, bis die Reibflächen an Synchronring und Kupplungskörper aneinander anliegen und aneinander reiben können. Die Drehzahlangleichung von Synchronkörper und Kupplungskörper bleibt somit weiterhin erhalten.During the switching operation, the inclined surfaces slide past each other and the synchronizer ring can be axially displaced in the direction of the coupling body until the friction surfaces of synchronizer ring and coupling body abut each other and rub against each other. The speed adjustment of the synchronizer body and coupling body thus remains unchanged.
Eine Ausgestaltung der Erfindung sieht vor, dass das elastische Element eine Feder und einen von der Feder beaufschlagten Bolzen umfasst, während in einer anderen Ausgestaltung das elastische Element aus einem Kunststoff gebildet ist.An embodiment of the invention provides that the elastic element comprises a spring and a spring loaded by the bolt, while in another embodiment, the elastic element is formed from a plastic.
In einer vorteilhaften Weiterbildung der Erfindung wird der Synchronring von dem elastischen Element in eine Sperrstellung der Synchronisierung gedrückt, was insbesondere bei derartigen Synchronisierungen vorteilhaft ist, die bei jedem Schaltvorgang die bereits vorliegende Sperrstellung der Verzahnungen benötigen.In an advantageous embodiment of the invention, the synchronizer ring is pressed by the elastic element in a locking position of the synchronization, which is particularly advantageous in such synchronizations, which require the already present blocking position of the teeth with each switching operation.
Eine vorteilhafte Weiterbildung der Erfindung ist derart ausgestaltet, dass das elastische Element in dem Synchronkörper angeordnet ist, während in einer alternativen Ausbildung das elastische Element in einem Nocken des Synchronrings angeordnet ist.An advantageous development of the invention is configured such that the elastic element is arranged in the synchronizer body, while in an alternative embodiment, the elastic element is arranged in a cam of the synchronizer ring.
Üblicherweise sind Synchronisierungen in einer doppelten Anordnung vorgesehen mit zwei axial an beiden Seiten eines Synchronkörpers angeordneten Synchronringen, die jeweils in eine Schaltrichtung mit einem zugehörigen Kupplungskörper zur Drehzahlangleichung in Verbindung treten und von einer gemeinsamen Schiebemuffe aktiviert werden. Aber auch einseitige Synchronisierungen können mit der erfinderischen Anordnung dargestellt werden.Usually, synchronizers are provided in a double arrangement with two axially arranged on both sides of a synchronizer body synchronizer rings, each in a switching direction with an associated coupling body for speed matching in connection and are activated by a common sliding sleeve. But one-sided synchronizations can be represented with the inventive arrangement.
Die Erfindung wird anhand einer Zeichnung näher erläutert.The invention will be explained in more detail with reference to a drawing.
Es zeigen:Show it:
Die
In dem in
Das elastische Element
Der Bolzen
Die
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 22
- Synchronisierungsynchronization
- 44
- Synchronkörpersynchronizer
- 66
- Schiebemuffesliding sleeve
- 88th
- Synchronringsynchronizer ring
- 1010
- Synchronringsynchronizer ring
- 1212
- Kupplungskörperclutch body
- 1414
- Federfeather
- 1616
- DruckstückPressure piece
- 1818
- Nockencam
- 20 20
- Nockencam
- 2222
- Kupplungskörperclutch body
- 2424
- elastisches Elementelastic element
- 2626
- Federfeather
- 2828
- Bolzenbolt
- 3030
- Bohrungdrilling
- 3232
- Flächearea
- 3434
- Flächearea
- 3636
- Flächearea
- FU F U
- Kraftforce
- FA F A
- Kraftkomponenteforce component
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 7826830 U1 [0005] DE 7826830 U1 [0005]
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010002932A DE102010002932A1 (en) | 2010-03-17 | 2010-03-17 | Synchronization unit for vehicle transmission, has synchronous body and synchronizer whose inclined surfaces are pushed by force acting along circumferential direction toward synchronous body such that working force component arises |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010002932A DE102010002932A1 (en) | 2010-03-17 | 2010-03-17 | Synchronization unit for vehicle transmission, has synchronous body and synchronizer whose inclined surfaces are pushed by force acting along circumferential direction toward synchronous body such that working force component arises |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102010002932A1 true DE102010002932A1 (en) | 2011-09-22 |
Family
ID=44585128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102010002932A Withdrawn DE102010002932A1 (en) | 2010-03-17 | 2010-03-17 | Synchronization unit for vehicle transmission, has synchronous body and synchronizer whose inclined surfaces are pushed by force acting along circumferential direction toward synchronous body such that working force component arises |
Country Status (1)
Country | Link |
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DE (1) | DE102010002932A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012010936A1 (en) * | 2012-06-01 | 2013-12-05 | Hoerbiger Antriebstechnik Holding Gmbh | Synchronization component for gearbox of vehicle e.g. motor car, has contact surface that is inclined to transmission axis in which synchronization of conical rings in circumferential direction is supported in axial position |
WO2018072790A2 (en) | 2016-10-21 | 2018-04-26 | Schaeffler Technologies AG & Co. KG | Synchronisation device and method |
DE102017123962A1 (en) | 2016-10-21 | 2018-04-26 | Schaeffler Technologies AG & Co. KG | Apparatus and method for synchronizing between a transmission shaft and two idler gears |
DE102018124681A1 (en) | 2017-10-26 | 2019-05-02 | Schaeffler Technologies AG & Co. KG | Apparatus and method for synchronizing |
WO2019114856A1 (en) * | 2017-12-13 | 2019-06-20 | Schaeffler Technologies AG & Co. KG | Transmission and shifting device for selecting gears of the transmission |
DE102018108331A1 (en) | 2017-12-20 | 2019-06-27 | Schaeffler Technologies AG & Co. KG | Sliding sleeve device for a synchronization device for shifting transmission gears in a motor vehicle transmission |
DE102018108337A1 (en) | 2017-12-20 | 2019-06-27 | Schaeffler Technologies AG & Co. KG | Apparatus and method for synchronizing |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7826830U1 (en) | 1978-08-04 | 1979-09-06 | Steyr-Daimler-Puch Ag, Wien | CLUTCH WITH LOCKING SYNCHRONIZATION FOR GEAR CHANGE GEARS OF MOTOR VEHICLES |
DE10146198C1 (en) * | 2001-09-13 | 2003-04-24 | Getrag Getriebe Zahnrad | Positive clutch and automated drive train |
JP2007139166A (en) * | 2005-11-22 | 2007-06-07 | Aisin Ai Co Ltd | Synchronizer for transmission |
JP2008069850A (en) * | 2006-09-13 | 2008-03-27 | Aisin Ai Co Ltd | Synchronizing device for transmission |
EP2166244A1 (en) * | 2008-09-22 | 2010-03-24 | Hoerbiger Antriebstechnik GmbH | Synchronising device for gearbox |
DE102008047484A1 (en) * | 2008-09-17 | 2010-04-15 | Schaeffler Kg | Synchronization device for gear selector box, comprises idle gear which is held in rotating manner or added in torque-proof manner relative to shaft, where sliding sleeve is provided for speed alignment |
DE102008047485A1 (en) * | 2008-09-17 | 2010-04-15 | Schaeffler Kg | Synchronization device for gear selector box, comprises idle gear which is held in rotating manner or added in torque-proof manner relative to shaft, where sliding sleeve is provided for speed alignment |
-
2010
- 2010-03-17 DE DE102010002932A patent/DE102010002932A1/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7826830U1 (en) | 1978-08-04 | 1979-09-06 | Steyr-Daimler-Puch Ag, Wien | CLUTCH WITH LOCKING SYNCHRONIZATION FOR GEAR CHANGE GEARS OF MOTOR VEHICLES |
DE10146198C1 (en) * | 2001-09-13 | 2003-04-24 | Getrag Getriebe Zahnrad | Positive clutch and automated drive train |
JP2007139166A (en) * | 2005-11-22 | 2007-06-07 | Aisin Ai Co Ltd | Synchronizer for transmission |
JP2008069850A (en) * | 2006-09-13 | 2008-03-27 | Aisin Ai Co Ltd | Synchronizing device for transmission |
DE102008047484A1 (en) * | 2008-09-17 | 2010-04-15 | Schaeffler Kg | Synchronization device for gear selector box, comprises idle gear which is held in rotating manner or added in torque-proof manner relative to shaft, where sliding sleeve is provided for speed alignment |
DE102008047485A1 (en) * | 2008-09-17 | 2010-04-15 | Schaeffler Kg | Synchronization device for gear selector box, comprises idle gear which is held in rotating manner or added in torque-proof manner relative to shaft, where sliding sleeve is provided for speed alignment |
EP2166244A1 (en) * | 2008-09-22 | 2010-03-24 | Hoerbiger Antriebstechnik GmbH | Synchronising device for gearbox |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012010936A1 (en) * | 2012-06-01 | 2013-12-05 | Hoerbiger Antriebstechnik Holding Gmbh | Synchronization component for gearbox of vehicle e.g. motor car, has contact surface that is inclined to transmission axis in which synchronization of conical rings in circumferential direction is supported in axial position |
CN103453043A (en) * | 2012-06-01 | 2013-12-18 | 贺尔碧格传动技术控股有限公司 | Multiple synchronization module of transmission and transmission |
CN103453043B (en) * | 2012-06-01 | 2017-03-01 | 贺尔碧格传动技术控股有限公司 | The multiple piece Synchronization Component of variator and variator |
WO2018072790A2 (en) | 2016-10-21 | 2018-04-26 | Schaeffler Technologies AG & Co. KG | Synchronisation device and method |
DE102017123962A1 (en) | 2016-10-21 | 2018-04-26 | Schaeffler Technologies AG & Co. KG | Apparatus and method for synchronizing between a transmission shaft and two idler gears |
DE102016220702A1 (en) | 2016-10-21 | 2018-04-26 | Schaeffler Technologies AG & Co. KG | Apparatus and method for synchronizing |
WO2018072786A2 (en) | 2016-10-21 | 2018-04-26 | Schaeffler Technologies AG & Co. KG | Method and device for synchronising a gearbox shaft and two idler gears |
DE102016220702B4 (en) | 2016-10-21 | 2018-05-24 | Schaeffler Technologies AG & Co. KG | Apparatus and method for synchronizing |
DE102018124681A1 (en) | 2017-10-26 | 2019-05-02 | Schaeffler Technologies AG & Co. KG | Apparatus and method for synchronizing |
WO2019080960A1 (en) | 2017-10-26 | 2019-05-02 | Schaeffler Technologies AG & Co. KG | Device and method for synchronisation |
WO2019114856A1 (en) * | 2017-12-13 | 2019-06-20 | Schaeffler Technologies AG & Co. KG | Transmission and shifting device for selecting gears of the transmission |
DE102018108331A1 (en) | 2017-12-20 | 2019-06-27 | Schaeffler Technologies AG & Co. KG | Sliding sleeve device for a synchronization device for shifting transmission gears in a motor vehicle transmission |
DE102018108337A1 (en) | 2017-12-20 | 2019-06-27 | Schaeffler Technologies AG & Co. KG | Apparatus and method for synchronizing |
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R005 | Application deemed withdrawn due to failure to request examination |