DE19651959A1 - Stator housing arrangement for internal rotor motor of railway vehicle drive - Google Patents

Stator housing arrangement for internal rotor motor of railway vehicle drive

Info

Publication number
DE19651959A1
DE19651959A1 DE19651959A DE19651959A DE19651959A1 DE 19651959 A1 DE19651959 A1 DE 19651959A1 DE 19651959 A DE19651959 A DE 19651959A DE 19651959 A DE19651959 A DE 19651959A DE 19651959 A1 DE19651959 A1 DE 19651959A1
Authority
DE
Germany
Prior art keywords
stator
stator housing
housing
cooling
cast
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
Application number
DE19651959A
Other languages
German (de)
Inventor
Albert Dipl Ing Mueller
Siegfried Dipl Ing Powilleit
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE19651959A priority Critical patent/DE19651959A1/en
Publication of DE19651959A1 publication Critical patent/DE19651959A1/en
Priority to AT0808998U priority patent/AT3236U1/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/06—Cast metal casings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

The stator housing includes a stator laminations stack cast into the stator housing (1) and in which at least one tubular cooling hose (3), encircling the stator laminations stack for cooling, is integrated into the unit comprising the stator housing and the stator laminations stack. The helix of the tubular cooling hose (3) is cast into the lateral wall (4) of the stator housing receiving the stator laminations stack, with the tubular cooling hose specifically comprised of a metallic tube having an oval or flattened oval cross-section.

Description

Die Erfindung betrifft ein Ständergehäuse eines Innenläufer- Motors, insbesondere für elektromotorische Bahnantriebe, so­ wie ein Verfahren zum Herstellen des Ständergehäuses.The invention relates to a stator housing of an inner rotor Motors, especially for electromotive rail drives, so like a method of making the stator housing.

Aus der DE-U1-91 07 197 ist ein Gehäuse aus Grauguß für eine elektrische Maschine bekannt, in das eine Rohrschlange aus Stahlrohr eingegossen ist, durch die zur Kühlung eine Kühl­ flüssigkeit geführt wird, so daß eine Wärmeableitung von dem in das Gehäuse eingebauten Ständerblechpaket über das Grau­ gußgehäuse zur Kühlrohrschlange erfolgt.From DE-U1-91 07 197 is a housing made of cast iron for one known electrical machine in which a coil of pipes Steel pipe is poured through which a cooling for cooling liquid is guided so that heat dissipation from the Stand sheet metal package built into the housing over the gray Cast housing for cooling pipe coil.

Aus der EP 0 342 554 A1 ist eine elektrische Maschine mit Flüssigkeitskühlung bekannt, deren Stator mit einem Statorfuß aus Metall und mit Statorzähnen aufgebaut ist, die von dem Statorfuß in Richtung zu einem Luftspalt zwischen Stator und Rotor ragen und mit einer Wicklung versehen sind, wobei zur Kühlung im Statorfuß eine über dessen Umfang verlaufende Kühlmittelführung vorgesehen ist. Diese Kühlmittelführung weist mehrere, über den Statorfußumfang U-förmig verlaufende Kühlmittelkanäle auf, so daß Kühlmitteleintritt und Kühlmit­ telaustritt auf der gleichen Axialseite der Maschine liegen. Die U-förmig verlaufenden Kühlmittelkanäle bilden in das Me­ tall des Statorfußes eingegossene Kühlmittelrohre. In das mit den Kühlmittelrohren gegossene Statorgehäuse wird das Ständerblechpaket eingebaut.An electrical machine is known from EP 0 342 554 A1 Liquid cooling known, the stator with a stator foot is made of metal and with stator teeth, which by the Stator foot towards an air gap between the stator and Protrude rotor and are provided with a winding, whereby to Cooling in the stator foot runs over its circumference Coolant guidance is provided. This coolant guide has several U-shaped over the circumference of the stator foot Coolant channels on, so that coolant entry and coolant outlet on the same axial side of the machine. The U-shaped coolant channels form in the me coolant tubes cast into the stator base. In the with the coolant tubes cast stator housing Stand sheet metal package installed.

Aus der EP 0 560 993 B1 ist ein flüssigkeitsgekühlter Motor bekannt, der einen Mantel zum Kühlen eines Stators umfaßt, wobei der Statorkühlungsmantel in sich mit einer Vielzahl von Kanälen versehen ist, die für den Durchlauf von flüssigem Kühlmittel bestimmt sind und wobei der Statorkühlungsmantel vordere bzw. hintere Oberflächen aufweist, an denen vordere bzw. hintere Gehäuse anbringbar sind. Bei diesem Motor be­ steht der Statorkühlungsmantel aus einem stranggepreßten Profil aus einer Aluminiumlegierung und am Mantel sind die vorderen und hinteren Gehäuse mittels einer Vielzahl von Spannschraubbolzen befestigbar. Vor der Montage der front- bzw. rückseitigen Gehäuse wird in das stranggepreßte Profil des Statorkühlungsmantels ein Ständerblechpaket eingesetzt.EP 0 560 993 B1 describes a liquid-cooled motor known, which comprises a jacket for cooling a stator, the stator cooling jacket having a variety of Channels is provided for the passage of liquid Coolants are intended and the stator cooling jacket  has front or rear surfaces on which front or rear housing can be attached. With this engine be stands the stator cooling jacket from an extruded They are made of aluminum alloy and on the jacket front and rear housings using a variety of Tensioning bolt can be fastened. Before installing the front or rear housing is in the extruded profile a stator core is used for the stator cooling jacket.

Aufgabe der Erfindung ist es, ein vorteilhaft aufgebautes und herstellbares Ständergehäuse für einen Innenläufer-Motor mit Flüssigkeitskühlung zu schaffen.The object of the invention is an advantageously constructed and producible stator housing for an internal rotor motor with To create liquid cooling.

Zur Lösung dieser Aufgabe ist das Ständergehäuse eines Innen­ läufer-Motors gemäß der Erfindung gekennzeichnet durch ein in das Ständergehäuse eingegossenes Ständerblechpaket, wobei zur Flüssigkeitskühlung wenigstens eine das Ständerblechpaket umwindende Kühlrohrschlange in die Einheit aus Ständergehäuse und Ständerblechpaket integriert ist. Erfindungsgemäß wird damit ein Ständergehäuse für einen flüssigkeitsgekühlten In­ nenläufer-Motor geschaffen, in welches das Ständerblechpaket sowie eine das Blechpaket umwindende Kühlrohrschlange mit eingegossen sind. Damit wird die Herstellung des Innenläufer- Motors wesentlich vereinfacht.To solve this task, the stator housing is an inside rotor motor according to the invention characterized by an in the stator housing cast-in stator core, whereby to Liquid cooling at least one the stator core coiling cooling pipe coil in the unit from stator housing and stator core package is integrated. According to the invention thus a stand housing for a liquid-cooled In nenläufer motor created, in which the stator core as well as a cooling pipe coil winding around the laminated core are cast in. The manufacture of the inner rotor Motors significantly simplified.

Für eine kleine Baugröße des Ständergehäuses ist es von Vor­ teil, wenn die Kühlrohrschlange aus einem Metallrohr mit ovalem oder abgeflacht ovalem Querschnitt besteht.For a small size of the stator housing, it is from before part if the cooling pipe coil is made of a metal pipe oval or flattened oval cross section.

Für die Herstellung des Ständergehäuses in einer Gußform ist es von Vorteil, wenn das Ständerblechpaket auf seinem Umfang Aussparungen und/oder Anformungen zum Einlegen und Fixieren der Wendeln der Kühlrohrschlange aufweist. Damit kann das Ständerblechpaket mit der darauf fixierten Kühlrohrschlange in die Gußform eingebracht werden und das Gießen des Ständer­ gehäuses erfolgen.For the manufacture of the stator housing is in a mold it is advantageous if the stator core is on its circumference Cutouts and / or formations for insertion and fixing of the coils of the cooling pipe coil. So that can Stand sheet metal package with the cooling pipe coil fixed on it  be placed in the mold and pouring the stand housing.

Ein Verfahren zur Herstellung eines Ständergehäuses gemäß der Erfindung zeichnet sich dadurch aus, daß ein vormontiertes Ständerblechpaket und die das Ständerblechpaket umwindende Kühlrohrschlange beim Gießen des Ständergehäuses in einer Gußform angeordnet und beim Gießen des Ständergehäuses aus Metall- oder Aluminiumguß in das Gußteil einformbar sind.A method for producing a stator housing according to the Invention is characterized in that a pre-assembled Stator core and the wrapping around the stator core Cooling pipe coil when casting the stator housing in one Mold arranged and when casting the stator housing Metal or aluminum casting can be molded into the casting.

In der Zeichnung ist ein Axialschnitt eines Ausführungsbei­ spiels eines erfindungsgemäßen Ständergehäuses für einen flüssigkeitsgekühlten Innenläufer-Motor dargestellt.In the drawing is an axial section of an embodiment game of a stator housing according to the invention for one Liquid-cooled internal rotor motor shown.

Das insbesondere auch für Elektromotoren größerer Leistung, wie z. B. für Bahnantriebe, geeignete Ständergehäuse 1 weist auf seinem ein Ständerblechpaket 2 umfassenden Mantelab­ schnitt 4 eine eingegossene wendelförmige Kühlrohrschlange 3 auf. Für einen geringeren Durchmesser des Ständergehäuses ist es von Vorteil, wenn die Kühlrohrschlange aus einem Metall­ rohr mit ovalem oder abgeflacht ovalem Querschnitt besteht. Beim Gießen des Ständergehäuses 1 aus Metall, insbesondere einem Aluminiumguß, wird neben wenigstens einer Kühlrohr­ schlange 3 gleichzeitig ein vormontiertes Ständerblechpaket 2 mit in das Ständergehäuse 1 eingegossen, so daß eine weitere Bestückung des Ständergehäuses entfällt. Mit 6 sind Anformun­ gen des Ständerblechpakets bezeichnet, die zur Fixierung der Wendeln der Kühlrohrschlange 3 dienen.This is especially true for electric motors of greater power, such as. B. for rail drives, suitable stator housing 1 has on its a stator core 2 comprising Mantelab section 4 a cast helical cooling coil 3 . For a smaller diameter of the stator housing, it is advantageous if the cooling tube coil consists of a metal tube with an oval or flattened oval cross section. When the stator housing 1 is cast from metal, in particular an aluminum casting, a preassembled stator core 2 is simultaneously poured into the stator housing 1 in addition to at least one cooling tube 3 , so that a further assembly of the stator housing is not necessary. With 6 Anformun conditions of the stator core are designated, which serve to fix the coils of the cooling coil 3 .

Claims (5)

1. Ständergehäuse eines Innenläufer-Motors, insbesondere für elektromotorische Bahnantriebe, gekennzeichnet durch ein in das Ständergehäuse (1) eingegossenes Stän­ derblechpaket (2) und wobei zur Flüssigkeitskühlung wenig­ stens eine das Ständerblechpaket umwindende Kühlrohrschlange (3) in die Einheit aus Ständergehäuse und Ständerblechpaket integriert ist.1. stator housing of an internal rotor motor, in particular for electromotive rail drives, characterized by a cast into the stator housing ( 1 ) Stän derblechpaket ( 2 ) and where for liquid cooling little at least one cooling tube coil ( 3 ) wrapping around the stator core package is integrated into the unit consisting of stator housing and stator core package is. 2. Ständergehäuse nach Anspruch 1, dadurch gekenn­ zeichnet, daß die Wendeln der Kühlrohrschlange (3) in den das Ständerblechpaket (2) aufnehmenden Mantel (4) des Ständergehäuses (1) eingegossen sind.2. stator housing according to claim 1, characterized in that the coils of the cooling coil ( 3 ) in the stator core ( 2 ) receiving jacket ( 4 ) of the stator housing ( 1 ) are cast. 3. Ständergehäuse nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Kühlrohrschlange (3) aus einem Metallrohr mit ovalem oder abgeflacht ovalem Quer­ schnitt besteht.3. Stand housing according to claim 1 or 2, characterized in that the cooling tube coil ( 3 ) consists of a metal tube with an oval or flattened oval cross section. 4. Ständergehäuse nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Ständerblech­ paket (2) auf seinem Umfang (5) Aussparungen und/oder Anfor­ mungen (6) zum Einlegen und Fixieren der Wendeln der Kühl­ rohrschlange (3) für das Eingießen in das Ständergehäuse (1) aufweist.4. Stand housing according to one of claims 1 to 3, characterized in that the stator plate package ( 2 ) on its circumference ( 5 ) recesses and / or requirements ( 6 ) for inserting and fixing the coils of the cooling pipe coil ( 3 ) for the Pouring into the stator housing ( 1 ). 5. Verfahren zur Herstellung eines Ständergehäuses nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, daß ein vormontiertes Ständerblechpaket (2) und die das Ständerblechpaket umwindende Kühlrohrschlange (3) beim Gießen des Ständergehäuses (1) in das Ständergehäuse (1) aus Metall- oder Aluminiumguß einformbar sind.5. A method for producing a stator housing according to claims 1 to 4, characterized in that a preassembled stator core ( 2 ) and the cooling tube coil surrounding the stator core ( 3 ) when casting the stator housing ( 1 ) into the stator housing ( 1 ) made of metal or Cast aluminum can be formed.
DE19651959A 1996-12-13 1996-12-13 Stator housing arrangement for internal rotor motor of railway vehicle drive Ceased DE19651959A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19651959A DE19651959A1 (en) 1996-12-13 1996-12-13 Stator housing arrangement for internal rotor motor of railway vehicle drive
AT0808998U AT3236U1 (en) 1996-12-13 1998-11-23 STANDING HOUSING OF AN INNER ROTOR MOTOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19651959A DE19651959A1 (en) 1996-12-13 1996-12-13 Stator housing arrangement for internal rotor motor of railway vehicle drive

Publications (1)

Publication Number Publication Date
DE19651959A1 true DE19651959A1 (en) 1998-06-18

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DE19651959A Ceased DE19651959A1 (en) 1996-12-13 1996-12-13 Stator housing arrangement for internal rotor motor of railway vehicle drive

Country Status (1)

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DE (1) DE19651959A1 (en)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19827333A1 (en) * 1998-06-19 1999-12-23 Bayerische Motoren Werke Ag Machine housing manufacturing method e.g. for electrical machine
WO2000024111A1 (en) * 1998-10-21 2000-04-27 Electrodrives Limited Casing
DE19849573A1 (en) * 1998-10-27 2000-05-11 Siemens Ag Electric motor especially linear electric motor with cooling e.g. for machine tools
EP1109288A1 (en) * 1999-12-16 2001-06-20 Baumüller Nürnberg Gmbh Stator with cooling duct for electrical machine
DE10114321A1 (en) * 2001-03-23 2002-10-24 Siemens Ag Electrical machine
DE10344630A1 (en) * 2003-09-25 2005-05-04 Bosch Gmbh Robert Fluid cooled electric machine and method of making such
WO2004010559A3 (en) * 2002-07-18 2005-09-22 Tm4 Inc Liquid cooling arrangement for electric machines
WO2006045772A1 (en) * 2004-10-26 2006-05-04 Siemens Aktiengesellschaft Electrical machine
DE102005052361A1 (en) * 2005-11-02 2007-05-03 Siemens Ag Electric motor for operating camshaft in motor vehicle, has housing forming flow area that is parallel to longitudinal axis of motor and is connected with cooling medium inlet and cooling medium outlet, and coil arranged in area
DE102008045667A1 (en) 2008-09-03 2010-03-04 Siemens Aktiengesellschaft Dynamoelectric machine with cooling
DE102012005969A1 (en) 2012-03-23 2013-09-26 Compact Dynamics Gmbh Stand for electric machine e.g. electric motor, has sheet material layer which is arranged between adjacent layers of metal sheets, whose thermal conductivity is larger than the thermal conductivity of the metal sheets
DE102012022873A1 (en) 2012-11-22 2014-05-22 Compact Dynamics Gmbh Method for soldering stand and cooler and stand with soldered connection to the stand carrier
WO2015172782A1 (en) * 2014-05-15 2015-11-19 Schaeffler Technologies AG & Co. KG Basic housing for a wheel hub motor, and wheel hub motor comprising the basic housing
WO2016113565A1 (en) * 2015-01-15 2016-07-21 Electronica Products Limited Rotary electric machine
DE102005002897B4 (en) * 2004-03-13 2021-06-10 Vem Motors Gmbh Liquid-cooled electrical machine with cast housing
DE102021200985A1 (en) 2021-02-03 2022-08-04 Volkswagen Aktiengesellschaft Electrical machines with cast-in stator
EP3989411A4 (en) * 2019-07-30 2022-08-31 Aisin Corporation Dynamo-electric machine and method for manufacturing dynamo-electric machine
DE102021212520A1 (en) 2021-11-08 2023-05-11 Volkswagen Aktiengesellschaft Process for producing an electrical machine and electrical machine according to this process

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT186721B (en) * 1952-08-08 1956-09-10 Elin Ag Elek Ind Wien Electric machine, especially light metal motor
DE1746614U (en) * 1956-02-16 1957-06-13 Bbc Brown Boveri & Cie ELECTRIC MACHINE ENCLOSED DESIGN.
EP0342554A1 (en) * 1988-05-16 1989-11-23 Magnet-Motor Gesellschaft für magnetmotorische Technik mbH Liquid-cooled electric machine
DE9107197U1 (en) * 1991-06-11 1992-10-15 Siemens AG, 8000 München Electric machine
EP0560993B1 (en) * 1991-10-05 1996-07-17 Fanuc Ltd Cooled motor and a method of manufacturing its jacket
DE29610870U1 (en) * 1996-06-21 1996-08-29 Elbtalwerk Heidenau GmbH, 01809 Heidenau Liquid-cooled stator of rotating electrical machines

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT186721B (en) * 1952-08-08 1956-09-10 Elin Ag Elek Ind Wien Electric machine, especially light metal motor
DE1746614U (en) * 1956-02-16 1957-06-13 Bbc Brown Boveri & Cie ELECTRIC MACHINE ENCLOSED DESIGN.
EP0342554A1 (en) * 1988-05-16 1989-11-23 Magnet-Motor Gesellschaft für magnetmotorische Technik mbH Liquid-cooled electric machine
DE9107197U1 (en) * 1991-06-11 1992-10-15 Siemens AG, 8000 München Electric machine
EP0560993B1 (en) * 1991-10-05 1996-07-17 Fanuc Ltd Cooled motor and a method of manufacturing its jacket
DE29610870U1 (en) * 1996-06-21 1996-08-29 Elbtalwerk Heidenau GmbH, 01809 Heidenau Liquid-cooled stator of rotating electrical machines

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19827333B4 (en) * 1998-06-19 2008-04-30 Bayerische Motoren Werke Ag Manufacturing method for a machine housing
DE19827333A1 (en) * 1998-06-19 1999-12-23 Bayerische Motoren Werke Ag Machine housing manufacturing method e.g. for electrical machine
WO2000024111A1 (en) * 1998-10-21 2000-04-27 Electrodrives Limited Casing
DE19849573A1 (en) * 1998-10-27 2000-05-11 Siemens Ag Electric motor especially linear electric motor with cooling e.g. for machine tools
EP1109288A1 (en) * 1999-12-16 2001-06-20 Baumüller Nürnberg Gmbh Stator with cooling duct for electrical machine
DE10114321A1 (en) * 2001-03-23 2002-10-24 Siemens Ag Electrical machine
US6731028B2 (en) 2001-03-23 2004-05-04 Siemens Aktiengesellschaft Electric machine with improved cooling feature
WO2004010559A3 (en) * 2002-07-18 2005-09-22 Tm4 Inc Liquid cooling arrangement for electric machines
US6992411B2 (en) 2002-07-18 2006-01-31 Tm4, Inc. Liquid cooling arrangement for electric machines
DE10344630A1 (en) * 2003-09-25 2005-05-04 Bosch Gmbh Robert Fluid cooled electric machine and method of making such
DE102005002897B4 (en) * 2004-03-13 2021-06-10 Vem Motors Gmbh Liquid-cooled electrical machine with cast housing
DE102004052070A1 (en) * 2004-10-26 2006-05-18 Siemens Ag Electric machine
WO2006045772A1 (en) * 2004-10-26 2006-05-04 Siemens Aktiengesellschaft Electrical machine
DE102005052361A1 (en) * 2005-11-02 2007-05-03 Siemens Ag Electric motor for operating camshaft in motor vehicle, has housing forming flow area that is parallel to longitudinal axis of motor and is connected with cooling medium inlet and cooling medium outlet, and coil arranged in area
DE102008045667A1 (en) 2008-09-03 2010-03-04 Siemens Aktiengesellschaft Dynamoelectric machine with cooling
DE102012005969A1 (en) 2012-03-23 2013-09-26 Compact Dynamics Gmbh Stand for electric machine e.g. electric motor, has sheet material layer which is arranged between adjacent layers of metal sheets, whose thermal conductivity is larger than the thermal conductivity of the metal sheets
WO2014079742A1 (en) * 2012-11-22 2014-05-30 Compact Dynamics Gmbh Method for soldering a stator to a cooler, and stator comprising a solder connection to the stator support
US9356495B2 (en) 2012-11-22 2016-05-31 Compact Dynamics Gmbh Method for soldering a stator to a cooler, and stator comprising a solder connection to the stator support
DE102012022873A1 (en) 2012-11-22 2014-05-22 Compact Dynamics Gmbh Method for soldering stand and cooler and stand with soldered connection to the stand carrier
WO2015172782A1 (en) * 2014-05-15 2015-11-19 Schaeffler Technologies AG & Co. KG Basic housing for a wheel hub motor, and wheel hub motor comprising the basic housing
WO2016113565A1 (en) * 2015-01-15 2016-07-21 Electronica Products Limited Rotary electric machine
EP3989411A4 (en) * 2019-07-30 2022-08-31 Aisin Corporation Dynamo-electric machine and method for manufacturing dynamo-electric machine
DE102021200985A1 (en) 2021-02-03 2022-08-04 Volkswagen Aktiengesellschaft Electrical machines with cast-in stator
DE102021212520A1 (en) 2021-11-08 2023-05-11 Volkswagen Aktiengesellschaft Process for producing an electrical machine and electrical machine according to this process

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