WO2020104701A1 - Composant de liaison pour relier des conducteurs électriques d'un enroulement en épingle à cheveux d'un stator d'une machine électrique ainsi que procédé de fabrication de cette liaison - Google Patents

Composant de liaison pour relier des conducteurs électriques d'un enroulement en épingle à cheveux d'un stator d'une machine électrique ainsi que procédé de fabrication de cette liaison

Info

Publication number
WO2020104701A1
WO2020104701A1 PCT/EP2019/082457 EP2019082457W WO2020104701A1 WO 2020104701 A1 WO2020104701 A1 WO 2020104701A1 EP 2019082457 W EP2019082457 W EP 2019082457W WO 2020104701 A1 WO2020104701 A1 WO 2020104701A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaped
conductor bars
connection
hairpin conductor
connecting component
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
PCT/EP2019/082457
Other languages
German (de)
English (en)
Inventor
Richard A. Rasp
Norman Kroll-Gast
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.)
Gehring E Tech GmbH
Original Assignee
Gehring E Tech GmbH
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 Gehring E Tech GmbH filed Critical Gehring E Tech GmbH
Publication of WO2020104701A1 publication Critical patent/WO2020104701A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
    • H02K3/14—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots with transposed conductors, e.g. twisted conductors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/30—Manufacture of winding connections
    • H02K15/33—Connecting winding sections; Forming leads; Connecting leads to terminals
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/30—Manufacture of winding connections
    • H02K15/33—Connecting winding sections; Forming leads; Connecting leads to terminals
    • H02K15/35—Form-wound windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/09—Machines characterised by wiring elements other than wires, e.g. bus rings, for connecting the winding terminations

Definitions

  • the invention relates to an electrically conductive
  • the invention relates to a stator of an electric machine, which is equipped with such electrical connection components.
  • DE 103 21 702 A1 discloses a so-called hairpin-wound stator, in which the stator has a hollow cylindrical stator core, in the inner lateral surface of which laterally extending slots are formed. In each of these slots, four electrical conductors which are approximately rectangular in cross section are used, which are bent in the shape of a U in the middle and are therefore also referred to as hairpin conductors or hairpin conductor bars. in the
  • the legs of the hairpin conductor bars are insulated in order to prevent electrical contact with other hairpin conductor bars arranged in the same stator slot and with the stator core.
  • each hairpin conductor bar bent in the circumferential direction of the stator core. Then the two free ends of each hairpin conductor bar are connected in an electrically conductive manner to further hairpin conductor bars arranged more or less far away.
  • the hairpin conductor bars can be contacted by soldering, welding or crimping. Welding or soldering the free ends of hairpin conductor bars of a stator winding can lead to a very complicated and labor-intensive manufacturing process given the large number of connection points on a stator. As such, it is advantageous to weld the free ends of the hairpin conductor bars to the free Eden of associated other hairpin conductor bars. If, however, only one welded connection is made incorrectly, all hairpin conductor bars have to be pulled out of the stator core in order to subsequently refill it with other hairpin conductor bars and to carry out the welding again.
  • a stator in which hairpin conductor bars are welded during a manufacturing process, is known, for example, from DE 601 29 902 T2.
  • EP 3 088 124 B1 and US 2003/0 159 269 A1 disclose manufacturing processes in which adjacent hairpin conductor bars are connected to one another by means of a laser beam or electron beam.
  • DE 10 2012 219 668 A1 also discloses a method in which the free ends of two hairpin conductor bars to be connected are connected mechanically by a
  • connection component covered with a cap formed from an insulator. Accordingly, the hairpin windings of the stator should be able to be produced without a welding process. A similar welding-free manufacturing process using cap-shaped, electrically conductive
  • connection device a component is used which has to be placed on the stator and soldered, welded or crimped there.
  • the connection device comprises an insulating plate with a plurality of slots arranged therein.
  • leg ends of the hairpin conductor bars assigned to one another can be electrically connected to one another.
  • These fasteners can be used for
  • Connecting elements, Z-shaped connecting elements or S-shaped connecting elements can be formed.
  • the known thermally or purely mechanical methods and devices for electrically connecting ends of hairpin conductor bars assigned to one another have all the advantages and disadvantages.
  • the invention was therefore based on the object of presenting a new device for connecting the hairpin conductor bars mentioned, which has the advantages of purely mechanical electrical
  • Claim 1 has. An independent procedural claim defines the procedure, like these new ones
  • the invention is based on an electrical
  • Connecting component has a cap-shaped connecting area with a receiving space in which free ends of at least two mutually assigned conductor bars
  • the receiving space of the at least one cap-shaped connection area of the connection component is delimited by three side walls and a cover wall, and that the cover wall has at least one through hole which opens into the receiving space.
  • the invention was based on the finding that the free ends of hairpin conductor bars assigned to one another can be connected to one another in the most process-reliable manner by a mechanical and additionally by a thermal connection in an electrically conductive manner.
  • the mechanical and electrical connection of the hairpin conductor bars concerned which is to be carried out first in terms of time, is carried out by positive locking by means of the cap-shaped connecting components, which ensure that the respective hairpin conductor bars abut one another as well as on the respective cap-shaped connecting component. This creates a first electrical contact of the hairpin conductor bars, which is the starting point for the thermal connection that then follows. To the thermal contacting of the
  • the cap-shaped ones used are used.
  • the invention provides that the connecting components are a J-shaped, an S-shaped, a Z-shaped or a
  • Connection components suitable for different tasks for example as connection flags for individual
  • Stator windings or electrical phases function, or for this purpose, to more or less distant but assigned hairpin conductor bars
  • cap-shaped connection area of the J-shaped connection component is designed such that its side wall-less
  • Connection areas of the C-shaped connection components are designed such that their two
  • stator have opposite circumferential directions of the stator.
  • the J-shaped connecting component has one
  • Embodiment a long leg and a short leg, which has a connecting section
  • a cap-shaped connection region is formed with a receiving space for receiving the free end of hairpin conductor bars to be electrically connected, and at the end of the long leg there is one Contact plate is formed with a through hole for performing a connecting element.
  • J-shaped connecting component has such a receiving space, the wall-less side of which forms the free end of the short leg and the wall of the cover
  • the long leg of the J-shaped connecting component can also be designed to be flexible and, for this purpose, can consist, for example, of a copper wire mesh.
  • Embodiments of the J-shaped connecting component provide that the effective cross-sectional area of the long leg, the connecting section and the short leg of the J-shaped connecting component
  • Connection component the basic characteristic of which is that it has only one receiving space for at least one hairpin conductor bar, can therefore also have any other geometry, provided that it fulfills its intended function.
  • the design of this is crucial cap-shaped connecting area, which delimits the receiving space for receiving the free end of preferably two directly adjacent conductor bars and is provided with a hole through which a laser beam can be conducted for welding the connecting component to the said conductor bars.
  • connection component which is S-shaped or Z-shaped with regard to its geometric wall profile, has a cap-shaped one at each of its two ends
  • connection area each with a receiving space for receiving the free end of hairpin conductor bars to be electrically connected.
  • Z-shaped connecting component each have a receiving space, the wall-free end faces of which are oriented in opposite directions, and that their to
  • S-shaped or Z-shaped connecting component provides that its cap-shaped connecting areas are connected to one another via a web section, the cross-sectional area of which is at least as large as the cross-sectional area of the respective free end of the hairpin conductor bars to be connected. This is sufficient
  • the C-shaped connecting component on the other hand, has a C-shaped leg, at the two ends of which a cap-shaped connecting area, each with one
  • Connecting component each have a receiving space, the wall-less end faces not in opposite
  • the C-shaped leg has a cross-sectional area which is at least as large as the cross-sectional area of the respective free end of the hairpin conductor bars to be connected. This also provides sufficient conductivity for an electrical current from one end to the other end of this connecting component
  • Connecting component from a central section has inwardly bent sections, at the respective ends of the two cap-shaped
  • connection areas are formed.
  • each connection area is preferably arranged and designed such that it covers the area in which the free ends of the hairpin conductor bars to be connected touch within the receiving space. This ensures that a
  • Cover wall of the connecting component is selected so that welding of the cover wall with the in the receiving space
  • the thickness of the cover wall is selected so that, during laser welding, highly spraying metal comes into contact with the wall of the through hole and does not come out the through hole
  • the object relating to a production method is one by a method for electrically connecting the free ends of two hairpin conductor bars assigned to one another
  • connection area of a connection component with the features of at least one of the previous ones
  • the laser beam is directed at the area where the through hole in the cover wall on the end face of the other
  • the metal of the cover wall is welded to the metal of the hairpin conductor bars.
  • the laser beam is directed onto that end region of the other
  • the laser beam is aligned at such an angle that one, possibly partially, generated by the laser beam
  • Connecting components which have the features of at least one of the device claims, on a stator of an electric machine designed as an electric motor and / or generator, the windings of the stator being formed by a plurality of hairpin conductor bars, and in which the free ends of the hairpin conductor bars by means of S-shaped or Z-shaped and C-shaped
  • connection components are electrically connected to each other in phase, and in the case of the J-shaped connection components serving as electrical connection elements, each winding of the stator is electrically connected to at least one hairpin conductor bar.
  • FIG. 1 is a perspective top view of a stator core with hairpin conductor bars arranged thereon, which are in phase on a connection and connection side of the stator core via connecting components according to the invention
  • FIGS. 4a to 4e are perspective views of an S-shaped or Z-shaped connecting component which is designed for the electrical connection of hairpin conductor bars,
  • 5a to 5d are perspective views of a C-shaped connecting component which is designed for the electrical connection of hairpin conductor bars
  • Fig. 6 is a schematic sectional view through a connection area of an inventive
  • Fig. 7 is a schematic sectional view through a connection area of an inventive Connection component with two hairpin conductor bars accommodated therein during a central welding process with a laser beam.
  • Figures 1 and 2 show a hollow cylindrical stator core 2 of a stator
  • This electric machine can be a
  • the inside of the stator core 2 has grooves 51 aligned parallel to its longitudinal center axis.
  • these grooves 51 are arranged in their starting geometry U-shaped hairpin conductor rods 6 which are largely rectangular in cross section. It can be seen that four hairpin conductor bars 6 are inserted in each of the grooves 51, so that the hairpin conductor bars 6 are arranged in four mutually concentric rings of different diameters.
  • the legs overlap
  • Connecting components 20, 30, 40 can be seen in each case two radially immediately adjacent hairpin conductor bars 6 with one another.
  • connection components 20, 30, 40 each have at least one connection area 8 at the end, but are otherwise formed in three different geometries, which will be discussed first.
  • FIGS. 3a to 3d The connecting components 20, 30, 40 are shown in different views in FIGS. 3a to 3d, 4a to 4e, 5a to 5d and FIGS. 6 and 7. It can be seen from FIGS. 3a to 3d that a first embodiment of the connecting components 20 is essentially J-shaped
  • Connecting component 20 has a long leg 21 and a short leg 22 oriented bent therefrom and a leg 20, 21 connecting these legs
  • connection section on. On the short leg 22 there is a cap-shaped connection area 8 at the end, each with a receiving space 9 for receiving the free end of two hairpin conductor bars 6 to be electrically connected
  • the cap-shaped connecting area 8 of the J-shaped connecting component 20 has a receiving space 9 with three side walls 10, 11, 12 and a cover wall 13, a wallless end face forming the free end of the short leg 22 and the side opposite the cover wall 13 being wallless.
  • FIGS. 1 and 2 illustrate, three egg-shaped connecting components 20 are arranged on the stator core 2 in such a way that the cover-free side of the respective one
  • each short leg 22 Face the front of each short leg 22 radially inward.
  • Connection areas each have a cross-sectional area which is at least as large as that
  • Connection area 8 of the free end 4 of the associated conductor bar 6 to be received.
  • S-shaped or Z-shaped connecting component 30 has a cap-shaped at its two ends
  • connection area 8 each with a receiving space 9, which also for receiving the free end of two electrically connected hairpin conductor bars 6
  • the cap-shaped connecting regions 8 of the S-shaped or Z-shaped connecting component 30 each have a receiving space 9 with three side walls 10, 11, 12 and a cover wall 13, the wallless end faces being oriented in opposite directions in relation to one another.
  • the wallless sides lying opposite the respective cover wall 13 each point in the same direction.
  • the connecting component 30 has a comparatively high mechanical stability and sufficient conductivity for an electrical current from one end to the other
  • FIGS. 5a to 5d show a third embodiment in which the connecting component 40 has an essentially C-shaped geometry.
  • this connecting component 40 has a C-shaped leg 41, at the two ends of which a cap-shaped connecting region 8 is formed, each with a receiving space 9, into which the free ends 4 of two hairpin connectors to be electrically connected Ladder bars 6 can be used.
  • the receiving spaces 9 are each by three side walls 10, 11, 12 and one
  • the C-shaped leg 41 of the connecting component 40 has a cross-sectional area which is at least as large as the cross-sectional area of the respective free end 4 of the hairpin conductor bars 6 to be connected. This achieves good mechanical stability and sufficient conductivity for an electrical current .
  • the C-shaped connecting component 40 has cranked sections 42, 43, starting from a central section, at their respective ends the two cap-shaped sections
  • Connection areas 8 are formed. This makes it easier to attach the C-shaped connecting components 40 to the radially aligned hairpin conductor bars 6, which are rectangular in cross section. All of these connecting components 20, 30, 40 have a special feature according to the invention. Accordingly, it is provided that the receiving spaces 9 of the cap-shaped
  • connection areas 8 of the connection components are delimited by three side walls 10, 11, 12 and a cover wall 13, the cover wall 13 having at least one through hole 14 which opens into the receiving space 9.
  • the through hole 14 is arranged and designed in such a way that it covers that area in which the free ends 4 of the hairpin conductor bars 6 to be connected are laterally located within the receiving space 9 touch.
  • Connection areas 8 are selected such that welding the cover wall 13 to the hairpin conductor bars 6 arranged in the receiving space 9 is possible by means of a laser beam 33.
  • the cover wall 13 has, for example, a thickness D of 1 mm to 3 mm, so that there is sufficient cover wall material,
  • molten phase can still maintain contact with the remaining lid wall material.
  • the thickness D of the cover wall 13 is also preferably selected such that metal 36 which is highly spraying does not emerge from the surface during welding with a laser 32
  • Connecting elements 20, 30, 40 are therefore particularly suitable for fast and inexpensive manufacture of stators in an electrical machine.
  • the use of these connecting elements 20, 30, 40 also in the manufacture of rotors of an electric machine is possible and equally advantageous.
  • the invention also relates to a method for electrically connecting the free ends 4 of two hairpin conductor bars 6 of a stator of an electric machine that are assigned to one another, which comprises the following steps:
  • Connection area 8 of a connection component 20, 30, 40 with the features of at least one of the previous ones
  • Connection area 8 are arranged b) pressing the cover wall 13 of the receiving space 9 onto the free ends of the hairpin conductor bars 6 which are assigned to one another,
  • Connecting component 20, 30, 40 have been generated.
  • the laser Beam 33 is aimed specifically at that area where the through hole 14 in the cover wall 13 on the
  • Laser beam 33 is oriented at such an angle that a laser beam 33 generates a
  • Melt 36 does not leave the through hole 14, but at most on the wall 34 of the through hole 14 for
  • connection components 20, 30, 40 are particularly advantageous for producing a winding 3 of a stator of an electrical machine in a hairpin design
  • the electric machine can be designed as an electric motor and / or generator. Here is the
  • the J-shaped connecting components 20 serve as electrical
  • Connection elements which are electrically connected to at least one hairpin conductor bar 6, each having a winding 3 of the stator.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Windings For Motors And Generators (AREA)

Abstract

La présente invention concerne un composant de liaison (20, 30, 40) électroconducteur qui, pour un stator d'une machine électrique ayant au moins un enroulement en épingle à cheveux (3), relie électriquement entre elles des extrémités libres (4) de tiges conductrices (6) en épingle à cheveux disposées les unes contre les autres. Le composant de liaison (20, 30, 40) comprend une zone de liaison en forme de coiffe (8) avec un espace de réception (9) dans lequel des extrémités libres (4) d'au moins deux tiges conductrices (6) disposées les unes contre les autres peuvent être reçues. Selon la présente invention, pour permettre une fabrication automatisée et fiable de la liaison électrique, l'espace de réception (9) de la ou des zones de liaison en forme de coiffe (8) du composant de liaison (20, 30, 40) est délimité par trois parois latérales (10, 11, 12) et une paroi de couverture (13) qui comprend au moins un trou de passage (14) qui débouche dans l'espace de réception (9). Les parois latérales (10, 11, 12) enveloppent par conformité de forme les tiges conductrices (6) en épingle à cheveux et à travers le trou de passage (14) peut être dirigé un rayon laser (33) qui génère thermiquement une liaison électroconductrice des tiges conductrices (6) en épingle à cheveux entre elles ainsi qu'avec le composant de liaison (20, 30, 40). La présente invention concerne en outre un procédé d'utilisation de ces composants de liaison (20, 30, 40).
PCT/EP2019/082457 2018-11-23 2019-11-25 Composant de liaison pour relier des conducteurs électriques d'un enroulement en épingle à cheveux d'un stator d'une machine électrique ainsi que procédé de fabrication de cette liaison Ceased WO2020104701A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018009206.3 2018-11-23
DE102018009206.3A DE102018009206B3 (de) 2018-11-23 2018-11-23 Verbindungsbauteil zur Verbindung von elektrischen Leitern einer hairpin-Wicklung eines Stators einer Elektromaschine sowie Verfahren zur Herstellung dieser Verbindung

Publications (1)

Publication Number Publication Date
WO2020104701A1 true WO2020104701A1 (fr) 2020-05-28

Family

ID=68655556

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/082457 Ceased WO2020104701A1 (fr) 2018-11-23 2019-11-25 Composant de liaison pour relier des conducteurs électriques d'un enroulement en épingle à cheveux d'un stator d'une machine électrique ainsi que procédé de fabrication de cette liaison

Country Status (2)

Country Link
DE (1) DE102018009206B3 (fr)
WO (1) WO2020104701A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021254772A1 (fr) * 2020-06-19 2021-12-23 Brusa Elektronik Ag Stator pour une machine électrique
DE102023105569A1 (de) 2023-03-07 2024-09-12 Schaeffler Technologies AG & Co. KG Vorrichtung mit zwei verschweißten Komponenten; elektrische Maschine sowie Herstellverfahren für die Vorrichtung und die elektrische Maschine

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DE102020133276A1 (de) 2020-12-14 2022-06-15 Bayerische Motoren Werke Aktiengesellschaft Anschlussbaugruppe für eine elektrische Maschine, sowie Verfahren zur Herstellung einer Anschlussbaugruppe
DE102020133274A1 (de) 2020-12-14 2022-06-15 Bayerische Motoren Werke Aktiengesellschaft Anordnung eines Kontaktelements an freien Spulenleiterenden einer elektrischen Maschine, elektrische Maschine für ein Kraftfahrzeug, Verfahren zum Bereitstellen eines Kontaktelements für eine elektrische Maschine sowie Kraftfahrzeug
DE102020215908A1 (de) 2020-12-15 2022-06-15 Valeo Siemens Eautomotive Germany Gmbh Anschlusseinheit für einen Stator, Stator für eine elektrische Maschine, Statoranordnung, Verfahren zur Herstellung einer Statoranordnung und elektrische Maschine zum Antreiben eines Fahrzeugs
DE102020215910A1 (de) 2020-12-15 2022-06-15 Valeo Siemens Eautomotive Germany Gmbh Anschlusseinheit für einen Stator, Statoranordnung für eine elektrische Maschine, Verfahren zur Herstellung einer Statoranordnung und elektrische Maschine zum Antreiben eines Fahrzeugs
WO2025195286A1 (fr) 2024-03-18 2025-09-25 Ruhlamat Huarui Automation Technology (Changzhou) Co., Ltd. Procédé et dispositif de production d'un morceau de fil conducteur façonné en 3d à l'aide de rouleaux, de contours et de barres
WO2025195285A1 (fr) 2024-03-18 2025-09-25 Ruhlamat Huarui Automation Technology (Changzhou) Co., Ltd. Procédé et dispositif de cintrage de la partie pont d'un fil en épingle à cheveux à l'aide de barres
WO2025195283A1 (fr) 2024-03-18 2025-09-25 Ruhlamat Huarui Automation Technology (Changzhou) Co., Ltd. Procédé et dispositif de production d'une pièce de fil conducteur formée à l'aide de rouleaux
WO2025195289A1 (fr) 2024-03-18 2025-09-25 Ruhlamat Huarui Automation Technology (Changzhou) Co., Ltd. Procédé de fabrication de stators en épingle à cheveux comprenant les opérations d'empilement, de test et de soudage
WO2025195282A1 (fr) 2024-03-18 2025-09-25 Ruhlamat Huarui Automation Technology (Changzhou) Co., Ltd. Procédé de production de stators en épingle à cheveux pour moteurs électriques avec une séquence de découpe
WO2025195288A1 (fr) 2024-03-18 2025-09-25 Ruhlamat Huarui Automation Technology (Changzhou) Co., Ltd. Processus et dispositif de serrage de segments conducteurs pour un stator en épingle à cheveux
WO2025195287A1 (fr) 2024-03-18 2025-09-25 Ruhlamat Huarui Automation Technology (Changzhou) Co., Ltd. Procédé et dispositif d'agencement de pièces de fil conducteur formées

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EP3088124B1 (fr) 2015-04-16 2018-03-14 Magneti Marelli S.p.A. Procédé de soudage par laser de deux éléments métalliques adjacents d'un enroulement de stator avec barres rigides pour une machine électrique
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US4321497A (en) * 1980-04-10 1982-03-23 Westinghouse Electric Corp. Peripheral connector ring stator end winding for dynamoelectric machines
DE60129902T2 (de) 2000-09-12 2008-05-08 Mitsubishi Denki K.K. Ständer einer dynamoelektrischen Maschine und Verfahren zur Herstellung derselben
US20030159269A1 (en) 2001-02-28 2003-08-28 Romaric Lenoir Method for assembling conductive segments of a rotor winding or stator winding in a rotary electric machine
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DE102012219668A1 (de) 2012-05-14 2013-11-14 Hyundai Mobis Co., Ltd. Verfahren zum Binden von Statorspulen eines Motors
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DE102016225503A1 (de) * 2016-12-19 2018-06-21 Bayerische Motoren Werke Aktiengesellschaft Stator für eine elektrische Rotationsmaschine

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* Cited by examiner, † Cited by third party
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WO2021254772A1 (fr) * 2020-06-19 2021-12-23 Brusa Elektronik Ag Stator pour une machine électrique
US20230299632A1 (en) * 2020-06-19 2023-09-21 Brusa Elektronik Ag Stator for an electrical machine
US12451749B2 (en) * 2020-06-19 2025-10-21 Brusa Technology Ag Stator for an electrical machine
DE102023105569A1 (de) 2023-03-07 2024-09-12 Schaeffler Technologies AG & Co. KG Vorrichtung mit zwei verschweißten Komponenten; elektrische Maschine sowie Herstellverfahren für die Vorrichtung und die elektrische Maschine
WO2024183843A1 (fr) 2023-03-07 2024-09-12 Schaeffler Technologies AG & Co. KG Dispositif comprenant deux composants soudés, machine électrique et procédé de fabrication du dispositif et de la machine électrique

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