DE102005021865A1 - Casing for an infinitely variable change-speed automatic gearbox, especially for a continuously variable transmission automatic gearbox, has a variable speed gear with a primary and secondary - Google Patents
Casing for an infinitely variable change-speed automatic gearbox, especially for a continuously variable transmission automatic gearbox, has a variable speed gear with a primary and secondary Download PDFInfo
- Publication number
- DE102005021865A1 DE102005021865A1 DE200510021865 DE102005021865A DE102005021865A1 DE 102005021865 A1 DE102005021865 A1 DE 102005021865A1 DE 200510021865 DE200510021865 DE 200510021865 DE 102005021865 A DE102005021865 A DE 102005021865A DE 102005021865 A1 DE102005021865 A1 DE 102005021865A1
- Authority
- DE
- Germany
- Prior art keywords
- housing
- continuously variable
- primary
- lid
- automatic transmission
- 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- Withdrawn
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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/035—Gearboxes for gearing with endless flexible members
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
- F16H2057/02047—Automatic transmissions
-
- 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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/04—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism
- F16H63/06—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions
- F16H63/065—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions hydraulic actuating means
-
- 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
- F16H—GEARING
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
- F16H9/16—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts
- F16H9/18—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts only one flange of each pulley being adjustable
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft ein Gehäuse für ein stufenloses Automatgetriebe, insbesondere ein Umschlingungsgetriebe, gemäß dem Oberbegriff des Patentanspruchs 1.The The present invention relates to a housing for a continuously variable automatic transmission, in particular a belt transmission, according to the preamble of the claim 1.
Ein stufenloses Umschlingungsgetriebe besteht üblicherweise u.a. aus einer Anfahreinheit, einer Vorwärts/Rückwärtsfahreinheit bzw. einem Wendesatz, einer Zwischenwelle, einem Differential, aus hydraulischen und elektronischen Steuereinrichtungen sowie aus einem Variator.One stepless belt transmission is usually u.a. from one Starting unit, a forward / reverse drive unit or an indexable insert, an intermediate shaft, a differential, hydraulic and electronic control devices and a variator.
Der Variator umfasst nach dem Stand der Technik bei derartigen Getrieben eine Primärseite, die mit der Antriebswelle verbunden ist und eine Sekundärseite, welche jeweils paarweise angeordnete Kegelscheiben umfassen. Eine der Kegelscheiben ist in axialer Richtung feststehend angeordnet, wobei die andere axial verschiebbar angeordnet ist. Des weiteren ist ein Variator mit einem momentenübertragenden Umschlingungselement versehen, das zwischen den beiden Kegelscheibenpaaren umläuft. Als Umschlingungselement wird üblicherweise ein Schubgliederband, eine Zugkette oder ein Riemen verwendet. Die aktuelle Übersetzung des Getriebes wird durch den Laufradius des Umschlingungselementes definiert, der wiederum eine Funktion der axialen Position der Kegelscheiben der Primär- bzw. Sekundärseite zueinander ist.Of the Variator includes the prior art in such transmissions a primary page that is connected to the drive shaft and a secondary side, which each comprise paired conical disks. A the conical disks is fixed in the axial direction, the other being arranged axially displaceable. Furthermore is a variator with a torque-transmitting belt element provided, which circulates between the two cone pulley pairs. As wrapping element becomes common used a push belt, a pull chain or a belt. The current translation of the transmission is determined by the running radius of the belt which in turn defines a function of the axial position of the conical disks the primary or secondary side to each other.
Aus
der
Nach dem Stand der Technik wird die axiale Position der Kegelscheiben der Primär- bzw. Sekundärseite zueinander hydraulisch eingestellt. Hierbei wird ein primärer und ein sekundärer Hydraulikdruck auf die beweglichen Kegelscheiben aufgebracht, derart, dass der axiale Abstand der Kegelscheiben eines Kegelscheibenpaares zueinander als Funktion des Druckes einstellbar ist.To In the prior art, the axial position of the conical disks the primary or secondary side hydraulically adjusted to each other. Here is a primary and a secondary one Hydraulic pressure applied to the movable conical disks, in this way that the axial distance of the conical disks of a cone pulley pair each other is adjustable as a function of pressure.
Es ist bekannt, am Gehäuse eines derartigen stufenlosen Getriebes, nämlich an der Primär- und Sekundärseite, Deckel vorzusehen, welche einen geschlossenen Raum bilden, um den von einem Steuergerät bereitgestellten Scheiben- bzw. Kupplungsdruck an die jeweiligen Wellen bzw. Scheiben zu übergeben. Die Deckel weisen nach dem Stand der Technik Druckzuführungen für das Öl des Öldrucksteuerkreises zur Variatorverstellung auf. Des weiteren ist üblicherweise bei der Primärseite eines stufenlos verstellbaren Getriebes eine weitere Druckzuführung für die Vorwärtskupplung des Wendesatzes des Getriebes vorgesehen.It is known on the case of such a continuously variable transmission, namely on the primary and secondary side, To provide cover, which form a closed space to the from a controller provided disc or clutch pressure to the respective Waves or discs to pass. The lids have according to the prior art pressure supply for the oil of the oil pressure control circuit for variator adjustment. Furthermore, usually at the primary side of a continuously variable transmission another pressure supply for the forward clutch provided of the turning set of the transmission.
Im
Rahmen der
Aus
der
Ferner umfasst der sekundärseitig vorgesehene Deckel einen koaxial zur Abtriebswelle angeordneten Vorsprung, der fluiddicht in eine Mittenbohrung der Abtriebswelle passt und mit der Ölkammer über eine Radialbohrung und eine Ölrille in Verbindung steht, wobei im Vorsprung eine Verbindungsbohrung zur Mittenbohrung der Abtriebswelle vorgesehen ist; die Verbindungsbohrung steht mit einem inneren Durchlass des Gehäuses über einen inneren Durchlass des Deckels in Verbindung, wobei der innere Durchlass des Deckels mit dem Öldrucksteuerkreis in Verbindung steht.Further includes the secondary side provided cover arranged coaxially with the output shaft Projection, the fluid-tight in a center bore of the output shaft fits and with the oil chamber over one Radial bore and an oil groove is in communication, wherein in the projection a connecting bore is provided for the center bore of the output shaft; the connection hole is connected to an inner passage of the housing via an inner passage the lid in conjunction with the inner passage of the lid with the oil pressure control circuit communicates.
Aus
der
Bei dem genannten Stand der Technik sind die für die Primärseite bzw. die Sekundärseite verwendeten Deckel in nachteiliger Weise unterschiedlich ausgebildet, was sich auf die Herstellungs- und Montagekosten negativ auswirkt.at the cited prior art are used for the primary side or the secondary side Lid disadvantageously formed differently, resulting in has a negative effect on the production and assembly costs.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Gehäuse für ein stufenlos verstellbares Automatgetriebe, insbesondere ein Umschlingungsgetriebe anzugeben, bei dem die Herstellungs- und Montagekosten im Vergleich zum Stand der Technik gesenkt werden.Of the present invention is based on the object, a housing for a continuously Adjustable automatic transmission, in particular a belt transmission specify in which the manufacturing and assembly costs in comparison be reduced to the prior art.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruches 1 gelöst. Weitere Vorteile und vorteilhafte Ausgestaltungen gehen aus den Unteransprüchen hervor.These The object is achieved by the Characteristics of claim 1 solved. Further advantages and advantageous Embodiments will become apparent from the dependent claims.
Gemäß der Erfindung sind die Deckel von Primär- und Sekundärseite identisch ausgeführt.According to the invention are the lids of primary and secondary side identical.
Ferner wird vorgeschlagen, die Druckzuführung für die Vorwärtskupplung des stufenlos verstellbaren Getriebes in die Zwischenplatte bzw. Leitradwelle des Wandlers des Getriebes zu verlegen. Dadurch entfällt in vorteilhafter Weise die Notwendigkeit einer weiteren Druckzuführung für die Vorwärtskupplung am primärseitig angeordneten Deckel. Somit wird primär- und sekundärseitig jeweils nur noch eine Druckzuführung, nämlich zur Variatorverstellung, benötigt, so dass die Deckel für Primär- und Sekundärseite identisch ausgeführt werden können.Further it is suggested the pressure feed for the forward clutch of the continuously variable transmission in the intermediate plate or To lay the stator shaft of the converter of the gearbox. This eliminates in an advantageous manner Means the need for a further pressure feed for the forward clutch on the primary side arranged lid. Thus, primary and secondary side in each case only one pressure feed, namely for variator adjustment, requires leaving the lid for Primary- and secondary side identical can be.
Im Rahmen einer vorteilhaften Weiterbildung der Erfindung wird vorgeschlagen, die in den Deckeln erfindungsgemäß vorgesehenen Druckzuführungen derart zu dimensionieren, dass sie den größten erforderlichen Querschnitt aufweisen.in the Within the scope of an advantageous development of the invention, it is proposed the inventively provided in the lids Pressure feeds such to dimension that they have the largest required cross-section exhibit.
Gemäß der Erfindung wird vorgeschlagen, zur Abdichtung bei der Druckübergabe vom primärseitig bzw. sekundärseitig angeordneten Deckel in die jeweilige Welle vorzugsweise einen Rechteckring zu verwenden, wobei primärseitig die Druckübergabe vom Gehäuse zum Deckel nur nach außen gedichtet werden muss. Des weiteren wird die sekundärseitige Druckübergabe in den in den Deckel nach außen durch dieselbe Dichtung, wie die primärseitig vorgesehene Dichtung für die Druckübergabe vom Gehäuse zum Deckel realisiert, wobei zur Abdichtung nach innen ein O-Ring-Sitz im Gehäuse vorgesehen ist.According to the invention is proposed for sealing at the pressure transfer from the primary side or secondary side arranged lid in the respective shaft preferably a rectangular ring use, with primary side the pressure transfer from casing to the lid only to the outside must be sealed. Furthermore, the secondary-side pressure transfer in the in the lid to the outside through the same seal as the primary side provided seal for the pressure transfer from the case realized to the lid, wherein for sealing inward an O-ring seat in the case is provided.
Dadurch wird erreicht, dass bei den Deckeln gleiche Dichtungen verwendet werden.Thereby is achieved that used in the lids same seals become.
Durch die erfindungsgemäße Konzeption und die dadurch erzielte Vereinheitlichung der Deckel und der Dichtungen für die Primär- und Sekundärdruckzuführung werden die Kosten erheblich gesenkt und der Aufbau des Getriebes vereinfacht.By the conception according to the invention and the thus achieved standardization of the cover and the seals for the Primary- and secondary pressure supply The costs are significantly reduced and simplifies the construction of the transmission.
Gemäß der Erfindung kann die Abdichtung zwischen den erfindungsgemäß ausgeführten Deckeln und dem Gehäuse durch Flachdichtsysteme oder Flüssigdichtsysteme erfolgen.According to the invention can the seal between the inventively designed lids and the housing through Flat sealing systems or liquid sealing systems respectively.
Die Erfindung wird im Folgenden anhand der beigefügten Figur, welche die Gestaltung der Gehäusedeckel von Primär- und Sekundärseite gemäß der vorliegenden Erfindung in einer Schnittansicht schematisch veranschaulicht, beispielhaft näher erläutert.The Invention will be described below with reference to the attached figure, which shows the design the housing cover from primary and secondary side according to the present Invention in a sectional view schematically illustrated, by way of example explained in more detail.
Der
linke Teil der Figur ist eine schematische Darstellung des Deckels
Zur
Abdichtung bei der Druckübergabe
vom primärseitig
bzw. sekundärseitig
angeordneten Deckel
Selbstverständlich fällt auch jede konstruktive Ausbildung, insbesondere jede räumliche Anordnung der Dichtungen und der Druckzuführungen an sich sowie zueinander und soweit technisch sinnvoll, unter den Schutzumfang der vorliegenden Ansprüche, ohne die Funktion des Getriebes, wie sie in den Ansprüchen angegeben ist, zu beeinflussen, auch wenn diese Ausbildungen nicht explizit in der Figur oder in der Beschreibung dargestellt sind.Of course, too any constructive training, especially any spatial Arrangement of the seals and the pressure feeds per se and each other and as far as technically reasonable, under the scope of protection of the present Claims, without the function of the transmission, as stated in the claims is to influence, even if these training is not explicit are shown in the figure or in the description.
- 11
- Rechteckringrectangular ring
- 22
- Dichtungpoetry
- 33
- O-Ring-SitzO-ring seat
- 44
- Deckelcover
- 55
- Deckelcover
- 66
- Kegelscheibeconical disk
- 77
- Antriebswelledrive shaft
- 88th
- Druckzuführungpressure feed
- 99
- Druckzuführungpressure feed
- 1010
- Abtriebswelleoutput shaft
- 1111
- Gehäusecasing
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200510021865 DE102005021865A1 (en) | 2005-05-11 | 2005-05-11 | Casing for an infinitely variable change-speed automatic gearbox, especially for a continuously variable transmission automatic gearbox, has a variable speed gear with a primary and secondary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200510021865 DE102005021865A1 (en) | 2005-05-11 | 2005-05-11 | Casing for an infinitely variable change-speed automatic gearbox, especially for a continuously variable transmission automatic gearbox, has a variable speed gear with a primary and secondary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102005021865A1 true DE102005021865A1 (en) | 2006-11-30 |
Family
ID=37387505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE200510021865 Withdrawn DE102005021865A1 (en) | 2005-05-11 | 2005-05-11 | Casing for an infinitely variable change-speed automatic gearbox, especially for a continuously variable transmission automatic gearbox, has a variable speed gear with a primary and secondary |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102005021865A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015197351A1 (en) * | 2014-06-27 | 2015-12-30 | Sew-Eurodrive Gmbh & Co. Kg | Transmission |
| EP3830449B1 (en) * | 2018-07-30 | 2023-09-06 | Sew-Eurodrive GmbH & Co. KG | Transmission and method for manufacturing a first or a second variant of a transmission |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2158047A (en) * | 1937-04-09 | 1939-05-09 | Milton T Weston | Variable speed transmission |
| DE2853028A1 (en) * | 1978-12-08 | 1980-06-12 | Piv Antrieb Reimers Kg Werner | Infinitely variable belt drive - has hydraulically adjusted pulley flange with cup spring forming torsion path from shaft to pulley |
| GB2138897A (en) * | 1983-04-29 | 1984-10-31 | Aisin Warner Kabushiki Kaishi | An automatic transmission for a vehicle |
| DE19533995A1 (en) * | 1995-09-14 | 1997-03-20 | Zahnradfabrik Friedrichshafen | Pressure oil supply in an automatic transmission |
| DE19932339A1 (en) * | 1999-07-10 | 2001-01-11 | Zahnradfabrik Friedrichshafen | Continuous gearbox has primary pressure line for primary disc displacement medium arranged radially to centre of primary shaft, branch to lubrication line for primary shaft |
| DE19950053A1 (en) * | 1999-10-16 | 2001-04-19 | Zahnradfabrik Friedrichshafen | Continuously variable adjustable vehicle gearbox has in multi-stage shifting gearbox, reversal of rotation direction by forward gears between input and output shaft |
| DE10060149A1 (en) * | 1999-12-14 | 2001-07-05 | Mitsubishi Motors Corp | Continuously variable belt drive has drive and driven shafts, pulleys, continuous belt in housing with bearing holder on end wall that interacts with flange to clamp bearing, bearing cover |
| DE10130388A1 (en) * | 2001-06-23 | 2003-01-02 | Zf Batavia Llc | Variator for transmission adjustment of infinitely variable belt drive has pressure feed tube with two neighboring sealing rings for dynamic sealing of pressure feeds |
| DE10155720A1 (en) * | 2001-11-13 | 2003-05-22 | Zf Batavia Llc | Pressure supply in a shaft |
| DE10336741A1 (en) * | 2002-08-14 | 2004-03-04 | General Motors Corp. (N.D.Ges.D. Staates Delaware), Detroit | Arrangement of a continuously variable transmission (CVT) and method for axially positioning pulley elements of a CVT |
-
2005
- 2005-05-11 DE DE200510021865 patent/DE102005021865A1/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2158047A (en) * | 1937-04-09 | 1939-05-09 | Milton T Weston | Variable speed transmission |
| DE2853028A1 (en) * | 1978-12-08 | 1980-06-12 | Piv Antrieb Reimers Kg Werner | Infinitely variable belt drive - has hydraulically adjusted pulley flange with cup spring forming torsion path from shaft to pulley |
| GB2138897A (en) * | 1983-04-29 | 1984-10-31 | Aisin Warner Kabushiki Kaishi | An automatic transmission for a vehicle |
| DE19533995A1 (en) * | 1995-09-14 | 1997-03-20 | Zahnradfabrik Friedrichshafen | Pressure oil supply in an automatic transmission |
| DE19932339A1 (en) * | 1999-07-10 | 2001-01-11 | Zahnradfabrik Friedrichshafen | Continuous gearbox has primary pressure line for primary disc displacement medium arranged radially to centre of primary shaft, branch to lubrication line for primary shaft |
| DE19950053A1 (en) * | 1999-10-16 | 2001-04-19 | Zahnradfabrik Friedrichshafen | Continuously variable adjustable vehicle gearbox has in multi-stage shifting gearbox, reversal of rotation direction by forward gears between input and output shaft |
| DE10060149A1 (en) * | 1999-12-14 | 2001-07-05 | Mitsubishi Motors Corp | Continuously variable belt drive has drive and driven shafts, pulleys, continuous belt in housing with bearing holder on end wall that interacts with flange to clamp bearing, bearing cover |
| DE10130388A1 (en) * | 2001-06-23 | 2003-01-02 | Zf Batavia Llc | Variator for transmission adjustment of infinitely variable belt drive has pressure feed tube with two neighboring sealing rings for dynamic sealing of pressure feeds |
| DE10155720A1 (en) * | 2001-11-13 | 2003-05-22 | Zf Batavia Llc | Pressure supply in a shaft |
| DE10336741A1 (en) * | 2002-08-14 | 2004-03-04 | General Motors Corp. (N.D.Ges.D. Staates Delaware), Detroit | Arrangement of a continuously variable transmission (CVT) and method for axially positioning pulley elements of a CVT |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015197351A1 (en) * | 2014-06-27 | 2015-12-30 | Sew-Eurodrive Gmbh & Co. Kg | Transmission |
| EP3830449B1 (en) * | 2018-07-30 | 2023-09-06 | Sew-Eurodrive GmbH & Co. KG | Transmission and method for manufacturing a first or a second variant of a transmission |
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