Verfahren zum Herstellen eines Bauteils

Die Erfindung betrifft ein Verfahren zum Herstellen eines Bauteils einer elektromechanischen Maschine, wobei das Bauteil mehrere Nuten (10) aufweist, wobei in jeder Nut (10) Drähte (12) für eine Wicklung angeordnet werden, wobei die Drähte (12) mit einem Drückdorn (16) in jeweils eine Nut (10) gedrückt werden, und wobei die in die jeweilige Nut (10) gedrückten Drähte (12) mit einer Imprägniersubstanz imprägniert werden.

DEVICE AND PROCEDURE FOR INSERTING COILS AND COVER WEDGES INTO THE SLOTS OF CORES OF DIRECT CURRENT GENERATOR-ELECTRICAL MACHINES

ELECTRICAL MACHINE WITH WINDINGS CONSISTING OF LITZ WIRES

DEVICE FOR PRESSING TOGETHER COIL WINDINGS IN A GROOVE OF AN ELECTRICAL MACHINE.

MOTOR AND METHOD FOR MANUFACTURING MOTOR

PROCEDE ET DISPOSITIF DE COMPRESSION DE SECTIONS D'ENROULEMENT DANS DES ENCOCHES DE MACHINES ELECTRIQUES

Des sections d'enroulement de machines électriques sont insérées dans des encoches et sont comprimées au moyen d'un élément presseur. L'élément presseur est avantageusement réalisé sous la forme d'un sac en caoutchouc fixé sur une plaque présentant des canaux d'admission du milieu sous pression. Application au remplissage total des encoches de machines électriques avec les enroulements associés.

Method And Device For Producing A Winding Of A Winding Carrier Of An Electric Machine, Winding Carrier, And Electric Machine

The disclosure relates to a method for producing a winding of a winding carrier of an electric machine. The method includes providing a laminated core. The laminated core has an axis and a first slot for accommodating a first winding segment for producing the winding. The first slot extends in the direction of the axis. The first slot is arranged on a first circle as viewed in the direction of the axis, through the circle center point of which first circle the axis extends. The method includes: arranging the first winding segment in the first slot, where a first region of the first slot protrudes from the laminated core; and bending the first region by applying a first force acting in the direction of the axis and by applying a first force acting tangentially to the first circle onto the first region in a first direction tangentially to the first circle. 1. A method for producing a winding (WL) of a winding carrier (ST) of an electric machine , wherein the method comprises the following method steps:{'b': 100', '1', '1', '1', '1', '1, 'providing (S) a laminated sheet package (BP), wherein the laminated sheet package (BP) has an axis (AS) and at least one first slot (SL), extending in the direction of the axis (AS), for receiving at least one first winding segment (P) for producing the winding (WL), wherein the at least one first slot (SL), when viewed in the direction of the axis (AS), is disposed on a first circle (KS), the axis (AS) running through the circle center (KM) of the latter;'}{'b': 200', '1', '1', '1, 'disposing (S) the at least one first winding segment (P) in the at least one first slot (SL), wherein a first region (B) of the at least one first winding segment protrudes from the laminated sheet package (BP);'}{'b': 300', '1', '1', '1', '1', '1', '1', '1, 'bending (S) the first region (B) by exerting a first force (KA), acting in the direction of the axis (AS), and a force (KT), acting tangentially to the first circle (KS), on the first region (B) in a ...

Method and device to manufacture motor

It is an object of the invention to provide a technique for easily installing many turns of a coil winding on a stator. Representative method for manufacturing a motor includes preparing the coil wound into a ring-like form and tied, preparing the split core such that the spacing between the pair pole pieces in the circumferential direction of the split core corresponds to the inner dimension of the coil in the circumferential direction of the split core, inserting the tied coil into the two coil receiving parts through the openings and then, deforming the split core such that the spacing between the pair pole pieces is increased to be longer than the inner dimension of the coil ...

Apparatus for pressing windings and insulations in stator grooves

... 1,148,793. Winding stators. ELEKTROMAT VEB. 9 May, 1967, No. 21380/67. Heading B3A. A device for pressing windings and insulation into stator grooves has an expanding mandrel which is provided with pressure laminµ 7 which enter the grooves and press on the windings. The mandrel comprises a shaft 1 displaceably mounted in a base portion 2 and is provided with two wedge-shaped bodies 4, 41 whose base surfaces face one another and are relatively movable, the laminµ being located in grooves 8 on the inclined surfaces of the wedges by axially displaceable holders 11. The holders 11 are biased by pre-stressed springs 13 mounted on support members 14, 141, the member 14 being rigidly secured to the shaft 1 and the member 141 being axially displaceable therealong and connected to a linkage 15. When a wound stator 3 is placed in the device, the wedges 4, 41 are moved towards one another until stops 19 abut elements 20. The shaft 1 is then moved through the stator ...

METHOD AND FIXTURE FOR TWISTING END PORTIONS OF BAR CONDUCTORS, IN PARTICULAR FOR BAR WINDINGS OF ELECTRIC MACHINES

A twisting method (100) and a twisting fixture (10) is described, for twisting free end portions (2A, 3A, 2A', 3A') of bar conductors (1, 1') for the stator or rotor bar winding of an electrical machine which comprises The twisting fixture (10) comprises at least a pocket member (11) including a main structure (11A) provided with an arc (R1) of adjacent pockets (11A') and a secondary structure (11B) comprising further pockets (11B') and which is axially movably mounted with respect to main structure (11A). Some but not all of free ends (2A, 3A, 2A', 3A') of bar conductors are arranged in said adjacent pockets (11A'). The main structure is then rotated to twist said free ends (2A, 3A, 2A', 3A') partly. Then the secondary structure (11B) is axially moved such that the remaining free ends (2A, 3A, 2A', 3A') of bar conductors are inserted in the pockets (11b') therein. Thereafter both the main structure (11A) and the secondary structure (11B) are rotated simultaneously to twist all free ends (2A, 2A') further.

STATOR WIRE FORMING TOOL

A tool (10) for forming wire windings (52) located in stator slots (48) defined between radially extending stator teeth (50). The tool includes a fixture (16) supporting a plurality of elongated fingers (22) wherein each finger includes a plurality of sections (38, 40, 42) spaced longitudinally along the finger, each section defining a width dimension different from the width dimension of an adjacent section. The width dimension of the sections progressively increase from a distal end of the finger to a proximal end of the finger. A linear actuator (36) is provided for moving the fixture toward and away from a stator whereby the fingers are inserted between the teeth in the stator to cause wire wound around the teeth to be pressed against the teeth.

METHOD OF AND DEVICE FOR BENDING KONTsEVNYKh SECTIONS OF ROD CONDUCTORS, IN PARTICULAR, FOR CORE WINDINGS OF ELECTRIC MACHINES

METHOD AND FIXTURE FOR TWISTING END PORTIONS OF BAR CONDUCTORS, IN PARTICULAR FOR BAR WINDINGS OF ELECTRIC MACHINES

WINDING MACHINE

本发明涉及一种卷绕机(1)，包括接收元件(11)，用于接收包括齿(3)的基体(4)，其中线圈(2)卷绕在所述齿(3)上，钉状卷绕头(5)，经由所述钉状卷绕头(5)可以通过所述基体(4)将线材(8)与每个齿(3)的表面平行地引导，以便将所述线材(8)放置在所述基体(4)的两个齿(3)之间的凹槽(10)内，使得所述线材(8)可以卷绕在待卷绕的齿(3)上，以及至少一个保持爪(9)，其中线材(8)可以通过保持爪(9)独立于钉状卷绕头而定位在凹槽(10)内部(5)，以确定凹槽(10)内部的线材(8)的目标定位。

The conductor crimping method open notches in the armature of a rotating electric machine, and electrical machine having an armature made by the method.

스테이터의 제조 장치 및 그 제조 방법

... 스테이터의 제조 장치는, 스테이터 코어 내에 삽입할 수 있도록 구성되며, 복수의 슬롯에 대응하여, 슬릿형의 복수의 유지홈이 외주에 형성되고, 소정 폭 이격된 2개의 유지홈에 스테이터 코일의 한 쌍의 변부를 개재시키는 삽통 지그와, 선단을 향할수록 폭이 좁아지는 복수의 판형의 푸셔가, 삽통 지그의 복수의 유지홈의 위치를 따라 배치되어 있고, 삽통 지그에 스테이터 코일이 개재된 상태에서, 푸셔를 그 선단으로부터 대응하는 유지홈에 삽입함으로써, 스테이터 코일의 변부를 외경측으로 압출하여 각각 대응하는 슬롯에 삽입하는 압압 지그와, 한 쌍의 변부가 복수의 슬롯에 삽입된 복수의 스테이터 코일의 스테이터 코어의 끝에지로부터 돌출하는 코일 엔드부에 대향하여 설치된 한 쌍의 성형구와, 푸셔가 유지홈에 삽입된 상태에 있어서, 코일 엔드부에 대하여 축 방향으로부터 한 쌍의 성형구를 강하게 가압함으로써, 코일 엔드부를 성형하는 성형구 이동부를 구비하고 있다.

A rotor for an electrical machine, in particular for an electric motor for starting the internal combustion engine of a motor vehicle, and a process for its production

METHOD OF AND APPARATUS FOR INSERTING COILS INTO STATOR CORE SLOTS

Vorrichtung und Verfahren zum Biegen von Wicklungssegmenten zur Bildung einer Wicklung, Wicklungsträger, elektrische Maschine

Offenbart wird eine Vorrichtung (V) zum Biegen einer Vielzahl von Wicklungssegmenten (WS1, WS2) zur Bildung einer Wicklung eines Wicklungsträgers (WT) einer elektrischen Maschine, mit folgenden Merkmalen: eine Halteeinrichtung (HE), eingerichtet zum Festhalten des Wicklungsträgers (WT), in dem die Wicklungssegmente (WS1, WS2) angeordnet sind, eine Hauptbiegeeinrichtung (HB1), umfassend eine Anzahl von zur Halteeinrichtung (HE) weisenden Hauptarretierungselementen (HA1), die entlang erster Abschnitte (AB11) einer Umfangslinie (UL1), die eine Achse (AS) umläuft, angeordnet und eingerichtet sind, freiliegende Endabschnitte (EA1) von ersten Wicklungssegmenten (WS1) zu arretieren, eine Partiellbiegeeinrichtung (PB1), umfassend eine Anzahl von zur Halteeinrichtung (HE) weisenden Partiellarretierungselementen (PA1), die entlang zweiter Abschnitte (AB12) der Umfangslinie (UL1) angeordnet und eingerichtet sind, freiliegende Endabschnitte (EA2) von zweiten Wicklungssegmenten (WS2) zu arretieren, ...

WERKZEUG ZUM FORMEN VON STÄNDERDRÄHTEN

Method and system for manufacture of a compressed coil

Arrangement of coil wires in a rotor of an electric motor

A stator core assembly

Squirrel-cage induction motor, and method for manufacturing squirrel-cage induction motor

转子铁芯(1、51)在外周侧设有多个铁芯槽(2、52)，该铁芯槽(2、52)沿转子轴(8)的方向延伸。转子导体(5)是插入各槽(2、52)的棒状的导体，在插入到各槽(2、52)之后在外周侧形成沿槽宽度方向隆起的凸出部(4)，利用在凸出部(4)与各槽(2、52)的两个侧壁面之间产生的顶撑力，将转子导体(5)固定于各槽(2、52)。在与凸出部(4)抵接的各槽(2、52)的外周侧的内壁，沿转子轴(8)的方向设有凹凸。

Coil winding shaping apparatus applied to U-shaped linear motor

REVOLVING ELECTRIC MACHINE FOR MOTOR VEHICLE.

ROTATING ELECTRICAL MACHINE HAVING A STATOR

Stator (6) de machine électrique tournante (1) comprenant: -un corps de stator (4) formé par un empilage de feuilles de tôles, ledit corps de stator étant muni d'un axe (X) et étant délimité par une surface radiale interne et une surface radiale externe, -des encoches aménagées (44) dans ledit corps de stator et s'étendant axialement, chacune d'elle présentant un fond d'encoche (48) et une ouverture d'encoche (49), ladite ouverture d'encoche étant située du côté de ladite surface radiale interne, -un bobinage de stator (5) porté par ledit corps de stator, ledit bobinage comprenant plusieurs parties de bobinage (51, 52, 53) chacune d'elles étant logée dans une desdites encoches, caractérisé en ce que chacune des encoches (44, 41, 42, 43) est munie au niveau de l'ouverture d'encoche d'au moins un élément de fermeture d'encoche (451, 452, 453, 454) de sorte que la partie de bobinage qui est logée dans ladite encoche est maintenue entre le fond d'encoche et ledit élément de fermeture, et en ce que pour chacune des encoches, ledit élément de fermeture est formé par un décalage (451, 452a, 452b, 453, 454) d'au moins une des feuilles de tôles d'une encoche adjacente en direction de ladite encoche. Applications : alternateurs, alterno-démarreurs, moteurs électriques Stator (6) of rotating electrical machine (1) comprising: - a stator body (4) formed by a stack of sheet metal sheets, said stator body being provided with an axis (X) and being delimited by a radial surface and an outer radial surface, - arranged notches (44) in said stator body and extending axially, each having a notch bottom (48) and a notch opening (49), said opening slot being located on the side of said inner radial surface, -a stator winding (5) carried by said stator body, said winding comprising a plurality of winding portions (51, 52, 53) each of which is housed in a said notches, characterized in that each of the notches (44, 41, 42, 43) is ...

METHOD FOR MAKING A STATOR OF AN ELECTRIC MACHINE INCLUDING A STEP OF DEFORMATION OF THE CONDUCTORS AND CORRESPONDING STATOR

L'invention porte principalement sur un procédé de réalisation d'un bobinage d'un stator comportant un corps (16) muni d'une culasse (26) et de dents (25) arrangées sur une périphérie interne de ladite culasse (26), lesdites dents (25) délimitant deux à deux des encoches (28), caractérisé en ce qu'il comporte: - un étape d'insertion de structures de segment (38) de conducteurs formant un bobinage dans les encoches (28) du stator, et - une étape de déformation, au moyen d'un poinçon (170), des structures de segment (38) des conducteurs (37) situées dans une couche radiale de conducteurs la plus proche d'un axe du stator. The invention relates mainly to a method of producing a winding of a stator comprising a body (16) provided with a yoke (26) and teeth (25) arranged on an inner periphery of said yoke (26), said teeth (25) delimiting two-by-two of the notches (28), characterized in that it comprises: - a step of inserting segment structures (38) of conductors forming a winding in the notches (28) of the stator, and a step of deformation, by means of a punch (170), of the segment structures (38) of the conductors (37) situated in a radial layer of conductors closest to an axis of the stator.

Rotating electric machine and manufacturing method thereof

In the rotating electric machine of the present invention, a groove, in which a load side coil end is inserted, is formed on a load side bracket; a ceramic coat is formed on the inner surface of the groove; and one or more surfaces including at least the end surface of the load side coil end among the inner circumferential surface, outer circumferential surface, and end surface of the load side coil end adhere closely to the inner surface of the groove, in which the coat is formed.

Verfahren zur Einfassung von Leitern in offene Nuten eines Ankers einer rotierenden elektrischen Maschine

Verfahren zur Einfassung von Leitern (22, 22E), die zu einer Wicklung einer elektrischen Maschine gehören, in einer offenen Nut (14), bei dem nach dem Einsetzen der Leiter (22) in der Nut (14) die Leiterreihe (22, 22E) anhand eines Werkzeugs (30) mit einer zur Öffnung der Nut (14) passenden Form zusammengequetscht wird, das quer in die Nut (14) eingeführt wird und dessen wirksame Kante (32) sich in Längsrichtung erstreckt, um eine Quetschbeanspruchung entlang den Leitern (22, 22E) auszuüben, wobei die Leiter (22) im Innern der Nut (14) übereinander angeordnet sind und ihr Ausgangsdurchmesser in etwa gleich der Breite der Nut ist, dadurch gekennzeichnet, dass die wirksame Kante (32) des Werkzeugs (30) an jedem Ihrer beiden entgegengesetzten Enden eine Aussparung (34) aufweist, so dass die gegenüberliegenden Abschnitte der Leiter (22), die sich in der Nähe der entgegengesetzten längsseitigen Enden der Nut (14) erstrecken, nicht zusammengequetscht werden.

An armature connecting wire arrangment for an electric motor

The armature 100 comprises a plurality of teeth and a plurality of cavities, wherein each one of the cavities is arranged between two of the plurality of teeth, and wherein at least one of the plurality of cavities is configured and arranged for receiving coil windings 30 adjacent to a wall portion of the at least one cavity, wherein the at least one of the plurality of cavities comprises a switching wire receptor recess 240 in the form of a channel to receive switching wires 410,420 (i.e. the connection elements between the coils and the commutator). The wires 410,420 may be the terminal end portions of the coils or may have the same or a different diameter of cross section compared to the coil wires 30. Since the switching wires are well separated from the coil wires they can be placed in the recess 240 prior or post winding.

Method and system for manufacture of a compressed coil

METHOD FOR MOUNTING A STATOR COIL WINDING IN A BUNDLE OF PLATES

The invention concerns a method for mounting a stator coil (22) winding (12) in slots (16) of an annular cylindrical bundle of plates (14), the winding (22) comprising at least one axial branch (24) which is arranged in one associated slot (16), the axial branch (24) including multiple axial strands (28) of electrically conductive wire (23), the axial strands (28) being radially stacked in multiple rows (30). The method includes successively a step of inserting the axial branch (24) of the winding (22) into the associated slot (16), and is characterized in that the immobilizing step includes a deforming phase which consists in widening tangentially at least two axial strands (28) of the radially innermost row (30a) of the axial branch (24) using a deforming tool (32).

Stator manufacturing apparatus and stator manufacturing method

A stator manufacturing apparatus includes an insertion tool that is insertable into a stator core and being configured to dispose a pair of side parts of a stator coil in two holding grooves. A pressing tool has plate-like pushers arranged to correspond to the positions of the holding grooves. The pressing tool pushes out the side parts of the stator coils and inserts the side parts into the corresponding slots. A pair of shaping tools face coil end parts of the stator coils. A plurality of slits through which the pushers are insertable are provided in a principal surface of each shaping tool. A shaping tool moving unit shapes the coil end parts by pressing the pair of shaping tools in an axial direction with the pushers inserted in each of the corresponding holding grooves.

Verfahren und einteilige Werkzeuganordnung zum Herstellen eines Stators für eine elektrische Maschine

Die Erfindung betrifft ein Verfahren zum Herstellen eines Stators (1), wobei an einer Stirnseite (18) eines Blechpakets (2) für eine oder beide Schichten (10, 11) einer Zweischichtwicklung (12) jeweils ein Werkzeug (28, 28’) mit Aufnahmebereichen (30) bereitgestellt wird, wobei eine relative Anordnung der Aufnahmebereiche (30) einer relativen Endstellung entspricht, die für Leiterenden (23) der Leiterelemente (6) vorgesehen ist, und in einem Positionierprozess das Werkzeug (28, 28’) in eine erste Drehstellung (49) bewegt wird und jedes Leiterende (23) einer ersten Gruppe (48) der Leiterelemente (6, 7) jeweils in einen der Aufnahmebereiche (30) gesteckt wird, dann das Werkzeug (28, 28’) in zumindest eine weitere Drehstellung (50) gedreht wird und jeweils jedes Leiterende (23) einer weiteren Gruppe (51) der Leiterelemente (6, 7) jeweils in einen der Aufnahmebereiche (30) gesteckt wird, bis die Leiterenden (23) aller Leiterelemente (6, 7) der Schicht (10, 11) die relative Endstellung zueinander ...

A stator core assembly

A stator core assembly for a permanent magnet motor comprising a bobbin with channels for coils to be wound in various inter-channel winding arrangements. A assembly and method for assembling a stator core assembly 10 for a permanent magnet motor 100, the assembly comprising a stator core 12, bobbin 14 to which the stator core is mounted, and a coil 16 wound around the bobbin, wherein a first side 40 of the bobbin comprises a primary channel 42 and a second side 43 of the bobbin comprises first 46 and second 48 secondary channels, and the coil is wound around the bobbin such that at least a portion of the coil extends between the primary channel and the first secondary channel, and at least a portion of the coil extends between the primary channel and the second secondary channel. The stator core may comprise first 18 and second 20 pole arms, and a coreback 22 connecting the arms, where the primary channel is located between the arms, and the first and second secondary channels are located ...

PROCESS OF ASSEMBLY Of a ROLLING UP Of a WINDING OF STATOR IN a PACKAGE DETOLES

L'invention concerne un procédé de montage d'un enroulement (22) d'un bobinage de stator (12) dans des encoches (16) d'un paquet de tôles (14) cylindrique annulaire, l'enroulement (22) comportant au moins une branche axiale (24) qui est agencée dans une encoche (16) associée, la branche axiale (24) comportant une pluralité de brins axiaux (28) de fil (23) conducteur d'électricité, les brins axiaux (28) étant empilés radialement en plusieurs rangées (30), procédé du type qui comporte successivement une étape d'insertion de la branche axiale (24) de l'enroulement (22) dans l'encoche (16) associée et une étape d'immobilisation de la branche axiale (24) dans l'encoche (16) associée, caractérisé en ce que l'étape d'immobilisation comporte une phase de déformation qui consiste à élargir tangentiellement au moins un brin axial (28) de la rangée (30) la plus à l'intérieure radialement de la branche axiale (24) au moyen d'un outil (32) de déformation. The invention relates to a method of mounting a winding (22) of a stator winding (12) in notches (16) of an annular cylindrical sheet (14), the winding (22) comprising at least one at least one axial leg (24) which is arranged in an associated notch (16), the axial leg (24) having a plurality of axial strands (28) of electrically conductive wire (23), the axial strands (28) being radially stacked in several rows (30), a method of the type which comprises successively a step of insertion of the axial branch (24) of the winding (22) in the notch (16) associated and a step of immobilization of the axial branch (24) in the notch (16) associated, characterized in that the immobilization step comprises a deformation phase which consists in tangentially widening at least one axial strand (28) of the row (30) most radially inwardly of the axial branch (24) by means of a deformation tool (32).

Process of setting of driver in open notches of an armature of revolving electric machine and electric machine, in particular a starter of motor vehicle, comprising an armature according to the process.

Process and device for refourler windings in their residences

ROTATING ELECTRICAL MACHINE HAVING A STATOR

Method for aligning conductors of coil members

Embodiments of disclosure include, for example, a method for aligning wire conductors of coil members of a core of an electric motor or generator for welding the ends thereof. Such methods may include providing a plurality of circumferentially arranged first passages and a plurality of circumferentially arranged second passages, where each first passage is overlapped with a second passage to form a pair, each pair of passages form a combined third passage. Such methods may further include moving at least one of the first plurality of passages and the second plurality of passages relative to one another to cause radial sides of the passages to engage and move the end portions of the wire conductors in the circumferential direction.

STATOR MANUFACTURING APPARATUS AND STATOR MANUFACTURING METHOD

A stator manufacturing apparatus includes an insertion tool inserted into a stator core, the insertion tool having a plurality of holding grooves formed on an outer periphery, the insertion tool being configured such that a pair of side portions of a stator coil are disposed in two of the holding grooves separated by a predetermined width; and a pressing tool having a plurality of plate-like pushers narrowed toward tips arranged on a pressing body in correspondence with the positions of the plurality of holding grooves of the insertion tool. The pressing tool is configured to push the pairs of side portions of the stator coils inserted in the holding grooves radially outwardly and insert the side portions into the corresponding slots. A recessed groove enabling grippers to be inserted when the stator coil is disposed using the grippers for gripping the pair of side portions is formed on the outer periphery of the insertion tool. 1. A stator manufacturing apparatus comprising:an insertion tool configured to be inserted into a stator core, the insertion tool having a plurality of slit-like holding grooves formed on an outer periphery in correspondence with a plurality of slots of the stator core, the insertion tool being configured such that a pair of side portions of a stator coil are disposed in two of the holding grooves separated by a predetermined width; anda pressing tool having a plurality of plate-like pushers narrowed toward tips arranged on a pressing body in correspondence with the positions of the plurality of holding grooves of the insertion tool, whereinthe pressing tool is configured to push the pairs of side portions of the stator coils inserted in the holding grooves radially outwardly and insert the side portions into the corresponding slots by inserting the pushers into the corresponding holding grooves at the tips, anda recessed groove enabling grippers to be inserted when the stator coil is disposed using the grippers for gripping the pair of side ...

ROTATING ELECTRIC MACHINE AND MANUFACTURING METHOD THEREOF

In the rotating electric machine of the present invention, a groove, in which a load side coil end is inserted, is formed on a load side bracket; a ceramic coat is formed on the inner surface of the groove; and one or more surfaces including at least the end surface of the load side coil end among the inner circumferential surface, outer circumferential surface, and end surface of the load side coil end adhere closely to the inner surface of the groove, in which the coat is formed.

Method and system for manufacture of a compressed coil

A system or method of making a compressed coil, comprises a bobbin 101 and a punch 112 which has a through-hole 113 which can receive an end 109 of the bobbin 101 and where the bobbin 101 or the punch 112 has at least one groove 105, 115 in its surface suitable for accommodating a lead section of a wire. A central section of the wire may be wound around the bobbin 101 to form a coil and either end of the wire may have respective first and second lead sections. The punch 112 may have a through-hole 113 which is located over the end 109 of the bobbin 101. The first and/or second lead sections may be located within grooves whilst a coil is held within the punch and/or the bobbin such that the coil can be compressed whilst the lead sections are not compressed. Pressure is applied to the punch 112 and/or the bobbin 101 to compress the coil. A steel die tool may also be used which may also include grooves for the lead sections. The wire may be stranded or litz wire. The bobbin 101 may include ...

Improvements in Method and Apparatus for attaining the desired Configurations of Electrical Coils

1,191,678. Making dynamoelectric machines; jointing. GENERAL ELECTRIC CO. 10 Nov., 1967 [13 Jan., 1967], No. 51160/67. Headings B3A, B3Q and B3V. A method of pressing back the turns of a coil having portions in slots in a magnetic core and portions extending beyond the slots comprises disposing the core and coil in proximity to pressure transmitting medium and imparting pressure waves to the medium for forming portions of the turns into a desired configuration and location. As applied to pressing aluminium or copper turns into the stator slots of a dynamoelectric machine and also pressing the end parts 16 of the turns outwardly and towards the core, a polyethylene &c. bag 26, Fig. 1, is disposed in the stator and clamped by a ring 27 to a deflector 28 fixed to the base of a chamber 23. An opposite deflector (not shown) may be located at the top of the container. Water 21 or an unhardened insulating and bonding material, e.g. a synthetic polyester resin, in a solution is introduced into the bag through a tube 29 which may include a one-way valve. Air vents may be provided in the upper portion of the bag. An arc is discharged across electrodes 33, 34 to form the pressure wave which ruptures the bag as the water &c. surges against the ends of the turns and through the stator slots. Depending on the composition of the medium 21, its state may be changed in part to a vapour or gas. If water is used, moisture remaining may be removed by heating the core, e.g. to 150‹ C. for four hours. If a bonding material is used, filling the voids in the turns and providing a film of insulation on the slot walls to supplement the insulation already in place, this may be hardened by baking for two hours at 200‹ C. An alternative apparatus, Fig. 4, primarily for pressing back the side portions 14 of the turns, includes an upper deflector 55 and triangular side deflectors 59 covering the stator slots not in use. A guide 61 inhibits bending back of the lower ends of the turns. The ...

Rotation electric machine having a wave winding coil with cranked crossover conductor, distributed winding stator, and method and apparatus for forming same

The invention provides a rotation electric machine, distributed winding stator and forming methods thereof and forming devices. The distributed winding stator using a rectangle conductor as coil, realizing a miniaturized coil end and reduced current density compared to the prior art stator, so as to obtain a miniaturized rotation electric machine with high power. The distributed winding stator is formed by wave winding a conductor source wire having a rectangular cross-section, wherein the wire is cranked so that parietal regions on both ends are displaced corresponding to the width of the source wire and that the length is within the range of intervals between adjacent slots, and inserting the wave winding coil into slots of the stator.

Rotary motor and method of manufacturing the rotary motor

本发明能获得可实现生产设备简化和生产效率提高的旋转电机及旋转电机的制造方法。该旋转电机具有在定子铁心(11)上卷绕有定子绕线(14)的集中绕线的定子(1)，该定子铁心(11)包括绕线管(13)及绝缘纸(12)，还包括端部支承构件(18)，该端部支承构件(18)在定子绕线从绕线管的最后的卷绕部到卷绕结束端部为止的大致直线区间(16)中对定子绕线的卷绕结束端部进行支承，以作为对从配置成圆环状的定子延伸出的定子绕线的终端部进行支承的机构。

ARMATURE OF A ROTATING ELECTRICAL MACHINE FILLING NOTCHES OPTIMIZES

PROCESS OF ASSEMBLY Of a ROLLING UP Of a WINDING OF STATOR IN a PACKAGE OF SHEETS

Process of setting of driver in open notches of an armature of machine électriquetournante and electric machine, in particular a starter of motor vehicle, comprising an armature according to the process

L'invention propose un procédé de sertissage à l'intérieur d'une encoche ouverte (14) de conducteurs (22, 22E) appartenant à un enroulement d'une machine électrique, caractérisé en ce qu'il consiste à, après avoir mis en place les conducteurs (22) dans l'encoche (14), écraser la série de conducteurs (22, 22E) au moyen d'un outil (24) de forme complémentaire de celle de l'ouverture de l'encoche (14) que l'on introduit radialement dans l'encoche et dont le bord actif s'étend longitudinalement pour appliquer un effort d'écrasement le long des conducteurs (22, 22E) puis, au cours de la même opération, à sertir au moins partiellement les bords libres longitudinaux (23) de l'encoche (14). The invention provides a crimping method inside an open notch (14) of conductors (22, 22E) belonging to a winding of an electric machine, characterized in that it consists in, after having put in place the conductors (22) in the notch (14), crush the series of conductors (22, 22E) by means of a tool (24) of a shape complementary to that of the opening of the notch (14) that it is introduced radially into the notch and whose active edge extends longitudinally to apply a crushing force along the conductors (22, 22E) then, during the same operation, to crimp the edges at least partially longitudinal free (23) of the notch (14).

METHOD FOR MAKING A STATOR OF AN ELECTRIC MACHINE THAT COMPRISES THE STEP OF WARPING AND ASSOCIATED STATOR CONDUCTORS

Electric machine and electrically-assisted turbocharger including the same

An electrically-assisted turbocharger includes a shaft extending along an axis, a compressor wheel, a turbine wheel, a housing, and an electric machine. The electric machine includes a rotor rotatably coupled to the shaft and a stator lamination stack radially spaced from the rotor. The stator lamination stack has circumferentially spaced teeth defining gaps therebetween. The electric machine also includes a coil winding disposed in the gaps between the circumferentially spaced teeth and a guard plate disposed at one of the first and second stator ends. The guard plate extends radially away from the axis and includes a plurality of teeth guards extending radially, with each of the teeth guards aligned with one of the teeth of the stator lamination stack to electrically insulate the coil winding from the teeth of the stator lamination stack.

METHOD AND FIXTURE FOR TWISTING END PORTIONS OF BAR CONDUCTORS, IN PARTICULAR FOR BAR WINDINGS OF ELECTRIC MACHINES

Anker und Herstellungsverfahren eines Ankers

Anker, welcher einen Kern umfasst, welcher eine Mehrzahl von Zähnen umfasst, die sich in einer radialen Form erstrecken, und wobei er eine Aussparung aufweist, welche zwischen jedem von der Mehrzahl von Zähnen gebildet ist; eine Mehrzahl von ersten Wicklungsspulenabschnitten, welche durch ein Wickeln eines Spulendrahtes mehrere Male bei einem Überspannen von verschiedenen jeweiligen Gruppen von mindestens zwei von den Zähnen während einem Verlagern um eine Aussparung jedes Mal in Richtung zu einer Seite in der umfänglichen Richtung von dem Kern gebildet sind; und eine Mehrzahl von zweiten Wicklungsspulenabschnitten, welche durch ein Wickeln eines Spulendrahtes mehrere Male bei einem Überspannen von verschiedenen jeweiligen Gruppen von mindestens zwei von den Zähnen während einem Verlagern um eine Aussparung jedes Mal in Richtung zu der anderen Seite in der umfänglichen Richtung von dem Kern gebildet sind.

Rotor coil shaping device

An objective of the present invention is to provide a rotor coil shaping device capable of improving production efficiency and reducing labor intensity. In order to accomplish the above object, the present invention employs the following technical solution: a rotor coil shaping device, comprising: a positioning block: and a pressing block positioned above the positioning block. A middle portion of the positioning block is provided with a positioning protrusion extending upwards and placed along a front to back direction. The positioning protrusion has the same width as a rotor slot opening width of a rotor. At least one of a front end and rear end of the positioning block has an upwardly extending position-limiting protrusion. An upper shaping member is fixed to a lower side of the pressing block. The upper shaping member has an arc-shaped recess having a downward-facing opening.

Wound rotor or stator and manufacturing method thereof

The stator manufacturing apparatus and manufacturing method thereof

Provision for compression of the rollings up covered with insulator in the grooves with an electric stator of machine

ARMATURE ROTATING ELECTRIC MACHINE WITH OPTIMIZED FILLING NOTCHES

L'invention porte principalement sur un induit (11) de machine électrique tournante comportant: - un corps (10) comportant au moins une encoche (17) ménagée dans ledit corps (10), ladite encoche (17) débouchant axialement dudit corps (10), - au moins un conducteur (24) comportant: - au moins une portion interne (241', 242') située dans ladite encoche (17), et - au moins une portion externe (25) s'étendant au-delà de ladite encoche (17), ladite portion externe (25) dudit conducteur (24) ayant, sur toute sa longueur, une section différente de ladite portion interne (241', 242'). The invention relates mainly to an armature (11) of rotating electrical machine comprising: - a body (10) comprising at least one notch (17) formed in said body (10), said notch (17) opening axially from said body (10); ), - at least one conductor (24) comprising: - at least one internal portion (241 ', 242') located in said notch (17), and - at least one external portion (25) extending beyond said notch (17), said outer portion (25) of said conductor (24) having, over its entire length, a section different from said inner portion (241 ', 242').

STATOR WIRE FORMING TOOL

A tool (10) for forming wire windings (52) located in stator slots (48) defined between radially extending stator teeth (50). The tool includes a fixture (16) supporting a plurality of elongated fingers (22) wherein each finger includes a plurality of sections (38, 40, 42) spaced longitudinally along the finger, each section defining a width dimension different from the width dimension of an adjacent section. The width dimension of the sections progressively increase from a distal end of the finger to a proximal end of the finger. A linear actuator (36) is provided for moving the fixture toward and away from a stator whereby the fingers are inserted between the teeth in the stator to cause wire wound around the teeth to be pressed against the teeth.

APPARATUS AND METHODS FOR INSERTING COILS AND COVER WEDGES IN THE SLOTS OF DYNAMOELECTRIC MACHINE CORES

An apparatus for inserting coil branches (13a, 13b) of pre-wound wire coils and cover wedges (14) into slots (11) of a dynamoelectric machine core (10), comprises a first pusher assembly (50) having an insertion stroke for advancing through the bore (10') to insert the coil branches into the slots (11) and a second pusher assembly (96, 97) configured to push the cover wedges (14) into the slots (11) along the coil branches. The second pusher assembly comprises first and second- movable supports (96, 97) for pushing first and second groups of wedges (30, 32, 33, 35, 36, 38) into respective slots (11) during a same insertion stroke. The apparatus is provided with radial arms (5-6', 57', 58') moveable in the radial direction (R) of the core (10) for entering the slots (11) to push coil branches (26”) towards the bottom of the slots (11). At least one form member (131-136, 141-143) may be provided for impeding the insertion of a branch of a coil in the respective portion of the slot during ...

Apparatus and Method for Aligning Conductors of Coil Members in Cores of Electric Dynamo Machines Prior to Welding Operations

Apparatus and method for aligning wire conductors (11a, 11b) extending from coil members (11) inserted in slots of a core (10) of an electric dynamo machine to join the ends (11'a, 11'b) of the wire conductors by means of a welding operation accomplished by welding means (30), comprising : a first member (41) having a plurality of passages (40); a second member (42) having a plurality of passages (40'); the first and second members (41,42) being assembled adjacent to each other to align in pairs the passages (40) of the first member (41) with the passages (40') of the second member (42); each pair of aligned passages (40,40') forming a single passage capable of receiving at least the end portions (11a, 11b) of two conductors; the first member (41) and the second member (42) being relatively moved in the circumferential direction (C) of the core to cause the sides of the passages (40,40') to engage and move the end portions (11a, 11b) of the wire conductors in the circumferential direction ...

MICRO FAN

A micro fan is provided. The micro fan includes a rotor and a stator. The stator includes an axial induced coil unit and a circuit board. The axial induced coil unit is made by twining a coil in an axial direction for at least two layers and in a radial direction for at least two layers.

METHOD AND FIXTURE FOR TWISTING END PORTIONS OF BAR CONDUCTORS, IN PARTICULAR FOR BAR WINDINGS OF ELECTRIC MACHINES

A twisting method (100) and a twisting fixture (10) is described, for twisting free end portions (2A, 3A, 2A', 3A') of bar conductors (1, 1') for the stator or rotor bar winding of an electrical machine which comprises The twisting fixture (10) comprises at least a pocket member (11) including a main structure (11A) provided with an arc (R1) of adjacent pockets (11A') and a secondary structure (11B) comprising further pockets (11B') and which is axially movably mounted with respect to main structure (11A). Some but not all of free ends (2A, 3A, 2A', 3A') of bar conductors are arranged in said adjacent pockets (11A'). The main structure is then rotated to twist said free ends (2A, 3A, 2A', 3A') partly. Then the secondary structure (11B) is axially moved such that the remaining free ends (2A, 3A, 2A', 3A') of bar conductors are inserted in the pockets (11b') therein. Thereafter both the main structure (11A) and the secondary structure (11B) are rotated simultaneously to twist all free ends ...

STATOR WIRE FORMING TOOL

A tool (10) for forming wire windings (52) located in stator slots (48) defined between radially extending stator teeth (50). The tool includes a fixture (16) supporting a plurality of elongated fingers (22) wherein each finger includes a plurality of sections (38, 40, 42) spaced longitudinally along the finger, each section defining a width dimension different from the width dimension of an adjacent section. The width dimension of the sections progressively increase from a distal end of the finger to a proximal end of the finger. A linear actuator (36) is provided for moving the fixture toward and away from a stator whereby the fingers are inserted between the teeth in the stator to cause wire wound around the teeth to be pressed against the teeth.

SQUIRREL CAGE MOTOR WITH IMPROVED ROTOR BAR SECURING ARRANGEMENT

ROTOR OR STATOR COIL AND METHOD OF MAKING

Procédé de fabrication d'un rotor ou stator bobiné (1) ayant plus de quatre pôles, de préférence un rotor, le rotor ou stator comportant des dents (11) pourvues d'épanouissements polaires (17), le procédé comportant les étapes suivantes, pour chaque pôle : a) Réaliser une bobine partielle (20a) en bobinant au moins un conducteur sur la portion (32) de la dent de ce pôle s'étendant axialement le long de ce pôle entre les épanouissements polaires (17) de ce pôle et un plan (Pmin) perpendiculaire à l'axe du pôle et tangent à un épanouissement polaire (17) d'un pôle adjacent, b) repousser la bobine partielle (20a) ainsi réalisée vers la base de la dent, et libérer ladite portion (32) de la dent ayant servie au bobinage, c) répéter l'étape a) pour réaliser une autre bobine partielle (20b) sur la portion de dent ainsi libérée. Method of manufacturing a wound rotor or stator (1) having more than four poles, preferably a rotor, the rotor or stator comprising teeth (11) provided with pole shoes (17), the method comprising the following steps, for each pole: a) Create a partial coil (20a) by winding at least one conductor on the portion (32) of the tooth of this pole extending axially along this pole between the pole shoes (17) of this pole and a plane (Pmin) perpendicular to the axis of the pole and tangent to a pole shoe (17) of an adjacent pole, b) pushing the partial coil (20a) thus produced towards the base of the tooth, and releasing said portion (32) of the tooth used for the winding, c) repeat step a) to produce another partial coil (20b) on the tooth portion thus released.

Methods for twisting rotor and stator ends

Methods and apparatus for twisting rectangular rotor and stator conductor ends whereby most if not all conductor ends are bent at once, radially adjacent ends being bent in opposite directions. A lost motion member may be used to bend selected conductors through lesser angles for such purposes as phase interconnection and power leads. The rectangular conductors are retained against twisting so that flat conductors will bend about an axis perpendicular to the larger dimension of the conductor cross section. Various features of the methods and apparatus are disclosed.

Device and Method for Bending Winding Segments to Form a Winding, Winding Carrier, Electric Machine

A device for bending a plurality of winding segments to form a winding of a winding carrier of an electric machine is provided. The device includes: a holding device designed for holding in place the winding carrier in which the winding segments are arranged; a main bending device, including a number of main locking elements, which point towards the holding device, are arranged along first sections of a circumferential line and are designed to lock exposed end sections of first winding segments; and a partial bending device, including a number of partial locking elements, which point towards the holding device, are arranged along second sections of the circumferential line and are designed to lock exposed end sections of second winding segments. The holding device on the one hand and the main bending device and the partial bending device on the other hand are rotatable relative to each other.

Wickelmaschine

Die vorliegende Erfindung betrifft ein Wickelmaschine (1) umfassend ein Aufnahmeelement (11) zum Aufnehmen eines Grundkörpers (4) umfassend Zähne (3), auf die eine Wicklung (2) aufzuwickeln ist, einen Nadelwickelkopf (5), durch den ein Draht (8) parallel zu einer Oberfläche jedes Zahns (3) führbar ist, um den Draht (8) innerhalb einer Nut (10) zwischen zwei Zähnen (3) des Grundkörpers (4) abzulegen, sodass der Zahn (3) mit dem Draht (8) umwickelbar ist, und zumindest ein Haltefinger (9), wobei der Draht (8) durch den Haltefinger (9) unabhängig von dem Nadelwickelkopf (5) innerhalb der Nut (10) positionierbar ist, um eine Ziellage des Drahts (8) innerhalb der Nut (10) festzulegen.

The stator of the rotating electric machine

METHOD AND DEVICE FOR COMPRESSING WINDING SECTIONS IN GROOVES OF ELECTRICAL MACHINES

Process of setting of driver in open notches of an armature of machine électriquetournante, and electric machine comprising an armature produced according to the process

L'invention propose un procédé de sertissage à l'intérieur d'une encoche ouverte (14) de conducteurs (22, 22E) appartenant à un enroulement d'une machine électrique, caractérisé en ce qu'il consiste à, après avoir mis en place les conducteurs (22) dans l'encoche (14), écraser la série de conducteurs (22, 22E) au moyen d'un outil de forme (30) complémentaire de celle de l'ouverture de l'encoche (14) que l'on introduit transversalement dans l'encoche et dont le bord actif (32) s'étend longitudinalement pour appliquer un effort d'écrasement le long des conducteurs. L'invention trouve notamment à s'appliquer dans le cadre de la réalisation d'un induit de démarreur de véhicule automobile.

METHOD AND DEVICE FOR COMPRESSING WINDING SECTIONS IN GROOVES OF ELECTRICAL MACHINES

Des sections d'enroulement de machines électriques sont insérées dans des encoches et sont comprimées au moyen d'un élément presseur. L'élément presseur est avantageusement réalisé sous la forme d'un sac en caoutchouc fixé sur une plaque présentant des canaux d'admission du milieu sous pression. Application au remplissage total des encoches de machines électriques avec les enroulements associés. Winding sections of electric machines are inserted into notches and are compressed by means of a pressing member. The pressing element is advantageously produced in the form of a rubber bag fixed to a plate having channels for admission of the pressurized medium. Application to the total filling of slots in electrical machines with the associated windings.

REVOLVING ELECTRIC MACHINE FOR MOTOR VEHICLE.

L'invention concerne une machine électrique tournante, notamment un démarreur pour véhicule automobile, comportant un stator , un rotor (2) agencé de manière à pouvoir tourner dans le stator autour d'un axe longitudinal, au moins un bobinage (8) comprenant des segments conducteurs (11), et une pluralité d'encoches (40) formées sur l'un du stator et du rotor (2) s'étendant sensiblement suivant l'axe longitudinal, présentant chacune un fond (41), l'une au moins des encoches (40) recevant au moins un segment conducteur du bobinage (8). Ledit au moins un segment conducteur (11) est en appui contre le fond de l'encoche (41) et présente une déformation par écrasement qui est suffisante pour assurer son maintien dans l'encoche (40) lors d'un fonctionnement normal de la machine électrique tournante. The invention relates to a rotary electrical machine, in particular a starter for a motor vehicle, comprising a stator, a rotor (2) rotatably arranged in the stator about a longitudinal axis, at least one winding (8) comprising conductive segments (11), and a plurality of notches (40) formed on one of the stator and the rotor (2) extending substantially along the longitudinal axis, each having a bottom (41), one less notches (40) receiving at least one conductive segment of the coil (8). Said at least one conductive segment (11) bears against the bottom of the notch (41) and has a crush deformation which is sufficient to ensure its retention in the notch (40) during normal operation of the rotating electric machine.

APPARATUS AND METHODS FOR INSERTING COILS AND COVER WEDGES IN THE SLOTS OF DYNAMOELECTRIC MACHINE CORES

An apparatus for inserting coil branches (13a, 13b) of pre-wound wire coils and cover wedges (14) into slots (11) of a dynamoelectric machine core (10), comprises a first pusher assembly (50) having an insertion stroke for advancing through the bore (10') to insert the coil branches into the slots (11) and a second pusher assembly (96, 97) configured to push the cover wedges (14) into the slots (11) along the coil branches. The second pusher assembly comprises first and second- movable supports (96, 97) for pushing first and second groups of wedges (30, 32, 33, 35, 36, 38) into respective slots (11) during a same insertion stroke. The apparatus is provided with radial arms (5-6', 57', 58') moveable in the radial direction (R) of the core (10) for entering the slots (11) to push coil branches (26”) towards the bottom of the slots (11). At least one form member (131-136, 141-143) may be provided for impeding the insertion of a branch of a coil in the respective portion of the slot during ...

METHOD AND FIXTURE FOR TWISTING END PORTIONS OF BAR CONDUCTORS, IN PARTICULAR FOR BAR WINDINGS OF ELECTRIC MACHINES

A twisting method (100) and a twisting fixture (10) is described, for twisting free end portions (2A, 3A, 2A', 3A') of bar conductors (1, 1') for the stator or rotor bar winding of an electrical machine which comprises The twisting fixture (10) comprises at least a pocket member (11) including a main structure (11A) provided with an arc (R1) of adjacent pockets (11A') and a secondary structure (11B) comprising further pockets (11B') and which is axially movably mounted with respect to main structure (11A). Some but not all of free ends (2A, 3A, 2A', 3A') of bar conductors are arranged in said adjacent pockets (11A'). The main structure is then rotated to twist said free ends (2A, 3A, 2A', 3A') partly. Then the secondary structure (11B) is axially moved such that the remaining free ends (2A, 3A, 2A', 3A') of bar conductors are inserted in the pockets (11b') therein. Thereafter both the main structure (11A) and the secondary structure (11B) are rotated simultaneously to twist all free ends ...

SQUIRREL CAGE MOTOR WITH IMPROVED ROTOR BAR SECURING ARRANGEMENT

A squirrel cage motor has its rotor bars located in core slots with indentations in the slot walls into which material of the bars is forced, such as by swaging, in order to restrain the bars from vibration in use.

MOTOR STATOR AND FORMING METHOD THEREOF

A motor stator structure includes a core and plural hairpin wires. The core has slots, an insertion side, and an extension side. Each slot has an innermost layer, a second inner layer, a second outer layer and an outermost layer configured in a radial direction of the core. The hairpin leg protruding from the innermost layer extends for a first span distance, the hairpin leg protruding from the second inner layer extends for a second span distance, the hairpin leg protruding from the second outer layer extends for a third span distance, and the hairpin leg protruding from the outermost layer extends for a fourth span distance. The first span distance is different from the second span distance. The third span distance is different from the fourth span distance. The first and fourth span distances are substantially the same. The second and third span distances are substantially the same.

ELECTRICAL MACHINE WITH WINDINGS CONSISTING OF LITZ WIRES

The efficiency of electrical machines should be improved by higher slot space factors. To this end, the slots (1) are filled with litz wires (6) whose cross-sections can be deformed. In doing this, they adapt to any shaped slots thereby making it possible to achieve high slot space factors. The litz wires can optionally be compressed into the slots by appropriate tools. The slot space factor can also be increased by virtue of the fact that the filaments in each litz wire have a number of different cross-sections and geometries.

Method of and apparatus for inserting coils into stator core slots

A method of and apparatus for inserting coils into slots formed in the stator core (18) of a dynamoelectric machine such as an electric motor. The stator core is assumed to have open type slots (20). Each slot forms, in cooperation with the blades for guiding the coil (17) and a stripper (26) for forcing the coil out of the blades (11), a closed space which has such volume as to avoid any disorder of coil wire layers when the coil is received by the closed space. After placing the coils in the closed spaces, the coils are pushed into the respective slots and, as desired, the coils are compressed further until the coil wires come to have non-circular cross-section. By so doing, it is possible to remarkably increase the space factor for each slot.

Elektromachinerotor, insbesondere für einen Elektromotor, der eine Wärmkraftmaschine eines Fahrzeugs anfählt und Vorrichtung für seine Herstellung

Stator einer elektrischen Maschine und Verfahren zur Herstellung des Stators

Es sind schon Statoren einer elektrischen Maschine bekannt, mit Nuten, in denen Drähte einer elektrischen Wicklung angeordnet sind. Zwischen den Nuten sind jeweils Zähne ausgebildet, die über ein Magnetjoch miteinander verbunden sind. Die Zähne und das Magnetjoch sind getrennt voneinander ausgeführt, um auf die einzelnen Zähnen des Stators Einzelspulen wickeln zu können. Die Drähte der Einzelspulen werden mit einem Umformwerkzeug bezogen auf eine Achse des Stators in Umfangsrichtung gepresst und dabei derart umgeformt, dass eine Vielzahl der in den Nuten vorgesehenen Drähte einen vieleckigen Querschnitt erhält. Auf diese Weise wird der Kupferfüllfaktor in jeder Nut erhöht. Durch die Einzelspulen sind in jeder Nut die Spulenseiten zweier Einzelspulen angeordnet, wobei in jeder Nut zwischen den Spulenseiten der beiden Einzelspulen jeweils ein Spalt verbleibt, der für das Umformwerkzeug vorgehalten werden muss und der nicht mit Drähten der Einzelspulen befüllt werden kann. Der Kupferfüllfaktor ...

Haarnadelwicklungsmotor für ein Fahrzeug und Herstellverfahren für einen solchen

Ein Haarnadelwicklungsmotor für Fahrzeuge kann eine Haarnadel mit einer aus einem Paket einer Mehrzahl von Spulen gebildeten Spulenschema umfassen; weiter einen Stator mit einem Schlitz, in welchem die Haarnadel angeordnet ist; und einen Rotor, der eingerichtet ist, sich als Reaktion auf den Stator zu bewegen.

SQUIRREL CAGE MOTOR WITH IMPROVED ROTOR BAR SECURING ARRANGEMENT

Method and one-piece tool assembly for producing a stator for an electrical machine

The disclosure relates to a method for producing a stator, where, for one or both layers of a two-layer winding, a tool with receiving regions is respectively provided on an end face of a laminated core. A relative arrangement of the receiving regions corresponds to a relative end position for conductor ends of the conductor elements. In a positioning process, the tool is moved into a first turning position and each conductor end of a first group of the conductor elements is respectively inserted into one of the receiving regions. Then the tool is turned into at least one further turning position and each conductor end of a further group of the conductor elements is respectively inserted into one of the receiving regions until the conductor ends of all the conductor elements of the layer are in the relative end position in relation to one another.

VEHICULAR HAIRPIN WINDING MOTOR AND MANUFACTURING METHOD THEREOF

A hairpin winding motor for a vehicle may include a hairpin including a pattern coil formed from a bundle of a plurality of coils; a stator including a slot in which the hairpin is arranged; and a rotor configured to move in response to the stator.

METHOD FOR WINDING A WIRE ABOUT A TOOTHED PART OF AN ELECTRIC MOTOR

A method and an apparatus for providing a toothed motor part of an electric motor with a winding using a coil wire with a round wire cross-section, wherein the coil wire is converted into a coil wire with a wire cross-section different from the round wire cross-section in a forming process, and the formed coil wire is wound around the teeth of the motor part to produce a rotating field winding.

Apparatus for bending ends, arranged in annular layers, of bar conductors of a stator of an electrical machine

An apparatus for bending ends, arranged in annular layers, of bar conductors for an electrical machine are arranged in a stator main body having multiple coaxially arranged coupling elements with coupling recesses, by which the ends of the bar conductors can be taken layer by layer and plastically deformed. Each coupling element has a driving platform, which can be moved in the axial direction together with the coupling element. The coupling element belonging to a driving platform can be rotated on the driving platform. All of the driving platforms move axially on a common climbing linkage. Each driving platform has a dedicated first driving device for axially moving the driving platform and a dedicated second driving device for rotating the coupling element on the driving platform, wherein the two driving devices are moved axially, together with the driving platform. The apparatus is of a simple construction requiring little installation space.

Forming device for bobbins placed in stacks of sheets of stators or rotors

Statoranordnung eines Haarnadelwicklungsmotors und Herstellungsverfahren für diese

Eine Statoranordnung eines Haarnadelspulenmotors weist Haarnadelspulen, die durchgehend entlang einer Umfangsrichtung verbunden sind, um eine Spulenwicklung zu bilden, und einen Statorkern auf, der dazu ausgebildet ist, die Haarnadelspulen zu fixieren. Außenumfangsflächen der in Umfangsrichtung ausgebildeten Haarnadelspulen kommen in Kontakt mit einer Innenumfangsfläche des Statorkerns.

Wicklungsendenbiegeeinspanneinrichtung und Wicklungsendenbiegeverfahren

Eine Wicklungsendenbiegeeinspanneinrichtung (6) drückt eine Vielzahl an Wicklungsenden (5) von Wicklungssegmenten (3), die durch einen torischen Statorkern (2) gehalten werden, nach unten, wobei die in Vielzahl vorgesehenen Wicklungsenden (5) auf dem gleichen Umfang (ein Kreis c1) angeordnet sind. Die Wicklungsendenbiegeeinspanneinrichtung (6) hat eine Vielzahl an Biegeeinheiten (8), die jeweils einen Biegezahn (14) haben, der mit einem entsprechenden der Wicklungsenden (5) in Kontakt gelangt, und ein Führungselement (7), das eine Vielzahl an Führungsschlitzen (10) hat, in die die in Vielzahl vorgesehenen Biegeeinheiten (8) jeweils eingeführt werden. Die Vielzahl an Führungsschlitzen (10) erstreckt sich von einer Innenumfangsseite des Statorkerns zu einer Außenumfangsseite des Statorkerns so, dass sie einander nicht schneiden, unter Betrachtung aus einer axialen Richtung des Statorkerns (2).

Armature for an electrical machine and method for its winding

Ein Pufferelement wird in die in einem Kern ausgebildeten offenen Schlitze eingesetzt. Begrenzungswände befinden sich an Zähnen auf beiden Seiten jedes der offenen Schlitze. Eine aus einem Leiter mit einem Isolierfilm bestehende Wicklung wird in den offenen Schlitzen und zwischen den Begrenzungswänden angeordnet. Die Wicklung wird von der Öffnung des Schlitzes zu dessen Boden gepreßt zum Verformen der Querschnittsgestalt des den Isolierfilm aufweisenden Leiters von einer kreisförmigen in eine nicht kreisförmige Gestalt. A buffer member is inserted into the open slots formed in a core. Boundary walls are on teeth on either side of each of the open slots. A winding consisting of a conductor with an insulating film is placed in the open slots and between the boundary walls. The winding is pressed from the opening of the slot to the bottom thereof to deform the cross-sectional shape of the conductor having the insulating film from a circular to a non-circular shape.

DISPOSITIVO PARA A MOLDAGEM DE BOBINAS EMBUTIDAS EM UM PACOTE DE CHAPAS DE ROTOR OU DE ESTATOR

Coil end bending jig

A coil end bending jig pushes down a plurality of coil ends of coil segments held by a toric stator core, the plurality of coil ends being arranged on a same circumference. The coil end bending jig includes a plurality of bending units each having a bending tooth that makes contact with a corresponding one of the coil ends, and a guide member having a plurality of guiding slits into which the plurality of bending units is inserted, respectively. The plurality of guiding slits extends from an inner peripheral side of the stator core to an outer peripheral side of the stator core so as not to intersect with each other when viewed from an axial direction of the stator core.

Tamper pliers

APPARATUS AND METHOD FOR ALIGNING CONDUCTORS OF COIL MEMBERS IN CORES OF ELECRIC DYNAMIC MACHINES PRIOR TO WELDING OPERATIONS

Rotary electric machine

A rotary electric machine including a core having a plurality of slots disposed in a distributed manner in a circumferential direction of a cylindrical core reference surface, the slots each having a slot opening portion that opens in an opening direction toward one side in a radial direction of the core reference surface, and a coil conductor wire wound around the core. The coil conductor wire has a deformable cross-sectional shape, a diameter of the coil conductor wire with a circular cross-sectional shape is larger than a slot opening width which is a width of the slot opening portion in the circumferential direction, and the coil conductor wire is flexible enough to be flattened so as to be equal to or less than the slot opening width.

Method And Fixture For Twisting End Portions of Bar Conductors, In Particular For Bar Windings of Electric Machines

A twisting method ( 100 ) is described, for twisting free end portions ( 2 A, 3 A, 2 A′, 3 A′) of bar conductors ( 1, 1′ ) for the stator or rotor bar winding of an electrical machine, comprising: a step of providing ( 101 ) a twisting fixture ( 10 ) comprising at least a pocket member ( 11 ) extending about a twisting axis (Z-Z) and provided with a circular array (S 1 ) of pockets having its center on the twisting axis (Z-Z), the pocket member ( 11 ) including a main structure ( 11 A) provided with an arc (R 1 ) of adjacent pockets of said array (S 1 ) and a secondary structure ( 11 B) which is movably mounted with respect to main structure ( 11 A) and which is provided with a further pocket ( 11 B′) of said array (S 1 ), each of the pockets of said array (S 1 ) comprising a respective insertion opening ( 11 A″, 11 B″), which is adapted to be passed through by one of said free end portions ( 2 A, 2 A′) for inserting such free end portion into said pocket; a step of providing ( 102 ) a stator core ( 20 ) or rotor core ( 20 ) provided with a plurality of slots ( 24 ) which are populated by a respective plurality of said bar conductors ( 1, 1′ ) which are arranged with said free end portions ( 2 A, 2 A′) protruding from a side of stator core ( 20 ) or rotor core ( 20 ), said protruding end portions forming a circular array (T 1 ) of end portions ( 2 A, 2 A′); a step of inserting ( 103 ) into the arc (R 1 ) of pockets of the main structure ( 11 A) an arc of adjacent end portions ( 2 A, 2 A′) of said array of end portions (T 1 ); a first step of twisting ( 104 ) the arc of end portions, which is inserted into said arc (R 1 ) of pockets, by relative rotational-translational motion between said core ( 20 ) and said pocket member ( 11 ); the method being characterized in that it further comprises: a step of axially translating ( 105 ) the secondary structure ( 11 B) with respect to the main structure ( 11 A), for inserting, into said further pocket ( 11 B′) of the ...

Arrangement of Coil Wires in a Rotor of an Electric Motor

An armature for an electric motor, the armature comprising a plurality of teeth and a plurality of cavities, wherein each one of the cavities is arranged between two of the plurality of teeth, and wherein at least one of the plurality of cavities is configured and arranged for receiving coil windings adjacent to a wall portion of the at least one cavity, wherein the at least one of the plurality of cavities comprises a switching wire receptor. 1. An armature for an electric motor , the armature comprising a plurality of teeth and a plurality of cavities , wherein each one of the cavities is arranged between two of the plurality of teeth , and wherein at least one of the plurality of cavities is configured and arranged for receiving coil windings adjacent to a wall portion of the at least one cavity , wherein the at least one of the plurality of cavities comprises a switching wire receptor.2. The armature of claim 1 , wherein the at least one of the plurality of cavities has a radial innermost wall portion and wherein the switching wire receptor is arranged at the radial innermost wall portion.3. The armature of claim 1 , wherein the switching wire receptor comprises a recess in a wall portion of the at least one of the plurality of cavities for receiving a switching wire.4. The armature of claim 3 , wherein the recess has a depth substantially corresponding to the diameter of the switching wire.5. The armature of claim 3 , wherein the recess has a depth larger than the diameter of the switching wire.6. The armature of claim 1 , wherein the switching wire receptor has a guiding surface for at least one switching wire.7. The armature of claim 1 , wherein the at least one cavity has two substantially opposite guiding wall portions for coil wires.8. The armature of claim 7 , wherein the two substantially opposite guiding wall portions form a tapered cavity which is tapered towards the radial innermost wall portion.9. The armature of claim 1 , wherein the two ...

SQUIRREL-CAGE INDUCTION MOTOR, AND METHOD FOR MANUFACTURING SQUIRREL-CAGE INDUCTION MOTOR

Core slots are provided in an outer circumferential side of a rotor core and extend in an axial direction of a rotor shaft. A rotor conductor is a rod-shaped conductor inserted in each of the slots, and after insertion of the rotor conductor in each slot, a flared portion is formed flaring in a slot-transverse direction, and a propping-apart force occurring between the flared portion and both side wall surfaces of the slot fixes the rotor conductor to the slot. In an inner wall of an outer circumferential side of each slot abutting the flared portion, an unevenness is arranged along the axial direction of the rotor shaft. 1. A squirrel-cage induction motor comprising:a rotor core comprising slots extending in an axial direction of the rotor core in an outer circumferential side of the rotor core; anda rotor conductor having a rod shape and inserted in each slot of the slots, whereinafter insertion of the rotor conductor in the slot, a flared portion is formed in an outer circumferential side of the rotor conductor by flaring of the conductor in a transverse direction of the slot, and the rotor conductor is fixed to the slot by a propping-apart force occurring between the flared portion and both side walls of the slot, andfor each of the slots, in an inner wall of an outer circumferential side of the slot abutting the flared portion, at least one unevenness is disposed along the axial direction of the rotor core, the unevenness comprising at least one of recess or a projection.2. The squirrel-cage induction motor according to claim 1 , wherein a step as the unevenness is disposed along the axial direction of the rotor core in the inner wall of the slot.3. The squirrel-cage induction motor according to claim 2 , wherein the unevenness comprises at least one recess claim 2 , and an inner wall of the at least one recess of the unevenness is a recessed shape along a radial direction of the rotor core.4. The squirrel-cage induction motor according to claim 3 , wherein the ...

METHODS AND SYSTEM FOR CREATING SPACING BETWEEN INSULATED COILS OF ELECTRODYNAMIC MACHINES

Methods and system for creating spacing between insulated stator coils include a spacing device with an expandable container. The expandable container is positioned and expanded between stator coil end portions in order to create a space between the insulated stator coil end portions. Insulating elements are placed in the space created between the stator coil end portions, and the expandable container removed. 1. A method for creating spacing between insulated stator coils comprising:positioning an expandable container between stator coil end portions;inflating the expandable container between the stator coil end portions thereby creating a space between the stator coil end portions; andplacing an insulating element in the space between the stator coil end portions.2. The method of claim 1 , further comprising:deflating the expandable container after the placing of the insulating element, wherein the expandable container is deflated at least partially.3. The method of claim 2 , further comprising:moving the expandable container between the stator coil end portions, repeating the steps of positioning and inflating the expandable container, and placing one or more insulating elements between the stator coil end portions.4. The method of claim 1 , further comprising:removing the expandable container from the stator coil end portions.5. The method of claim 1 , wherein the insulating element is permanently placed between the stator coil end portions.6. The method of claim 1 , wherein the insulating element is designed as a wedge or block.7. The method of claim 3 , wherein the one or more insulating elements each comprise a defined thickness claim 3 , the defined thicknesses being equal or different from each other.8. The method of claim 1 , further comprising:coupling the expandable container to a fluid supply, wherein the fluid supply comprises compressed air or gas for the inflating of the expandable container.9. A system for creating spacing between insulated stator ...

ELECTRIC MACHINE AND ELECTRICALLY-ASSISTED TURBOCHARGER INCLUDING THE SAME

An electrically-assisted turbocharger includes a shaft extending along an axis, a compressor wheel, a turbine wheel, a housing, and an electric machine. The electric machine includes a rotor rotatably coupled to the shaft and a stator lamination stack radially spaced from the rotor. The stator lamination stack has circumferentially spaced teeth defining gaps therebetween. The electric machine also includes a coil winding disposed in the gaps between the circumferentially spaced teeth and a guard plate disposed at one of the first and second stator ends. The guard plate extends radially away from the axis and includes a plurality of teeth guards extending radially, with each of the teeth guards aligned with one of the teeth of the stator lamination stack to electrically insulate the coil winding from the teeth of the stator lamination stack.

BENDING-FORMING JIG

A bending-forming jig used in bending and forming a protruding portion of a leg portion of a U-shaped conductor toward a circumferential direction, the protruding portion protruding from an axial end surface of a stator core, the bending-forming jig including a ring portion and a claw portion, the claw portion including a first abutting surface that rises from an axial end surface of the ring portion with the surface directed in the circumferential direction and abuts against a tip portion of the protruding portion from the circumferential direction, and a projecting portion that projects, at a tip end of the claw portion, in the circumferential direction from the abutting surface and abuts against the tip portion of the protruding portion from the axial direction toward the axial end surface of the ring portion. 1an annular ring portion; anda claw portion that protrudes in the axial direction from an axial end surface of the ring portion, wherein 'an abutting surface that rises in the axial direction from the axial end surface of the ring portion with the surface directed in the circumferential direction and abuts against a tip portion of the protruding portion from the circumferential direction when the protruding portion is bent and formed, and', 'the claw portion comprises'}a projecting portion that projects, at a tip end of the claw portion, in the circumferential direction from the abutting surface and abuts against the tip portion of the protruding portion from the axial direction toward the axial end surface of the ring portion when the protruding portion is bent and formed.. A bending-forming jig used in bending and forming a protruding portion of a leg portion of a U-shaped conductor toward a circumferential direction, the U-shaped conductor inserted in slots of a stator core, the protruding portion protruding from an axial end surface of the stator core, the bending-forming jig comprising: This application claims priority to Japanese Patent Application No ...

MOTOR AND MOTOR MANUFACTURING METHOD

A motor unit includes a stator including a coil formed from a wound winding that is configured by a conductive member including an insulating covering layer on the surface of the conductive member, a rotor that rotates under the influence of a rotating magnetic field generated by the stator, and a centerpiece that supports the stator and is formed with a centerpiece-side winding insertion hole through which the winding is inserted. The motor unit also includes a circuit device and a potting section. The potting section is formed using potting material, and seals a gap formed between the centerpiece-side winding insertion hole and the winding by achieving a state in which a portion of the potting section is closely adhered to the covering layer of the winding. 1. A motor comprising:a stator comprising a coil formed from a wound winding that is configured by a conductive member including an insulating covering layer on the surface of the conductive member;a rotor that rotates under the influence of a rotating magnetic field generated by the stator;a centerpiece that supports the stator, the centerpiece being formed with a centerpiece-side winding insertion hole through which the winding is inserted;a circuit device that is disposed on an opposite side of the centerpiece to a side on which the stator is fixed, the circuit device including a connection portion to which the winding is connected after having passed through the centerpiece-side winding insertion hole, and controlling current flow to the winding; anda potting section that is formed using potting material, the potting section sealing a gap formed between the centerpiece-side winding insertion hole and the winding by achieving a state in which a portion of the potting section is closely adhered to the covering layer of the winding.2. The motor of claim 1 , wherein:a plurality of the centerpiece-side winding insertion holes are formed in the centerpiece; andeach gap formed between the plurality of the ...

OUTER-ROTOR-TYPE SWITCHED RELUCTANCE MOTOR

The present invention relates to an outer-rotator-type switched reluctance motor that may provide a shortest magnetic path by configuring a magnetic circuit in stator salient poles and rotor salient poles with circumferential-directional slots formed in the stator salient poles and coils passing through the slots and wound along he circumferential direction of the stator core, may thus minimize magnetic loss in the cores to maximize use efficiency of magnetic energy, and may provide a sturdy structure while simplifying coil winding work. 1. An outer-rotator-type switched reluctance motor , comprising:a stator core including a stator yoke having a hollow formed therethrough in upper and lower directions, stator salient poles formed isotropic-rectangularly on an outer circumferential surface of the stator yoke, respectively having slots formed along a circumferential direction to separate each stator salient pole into upper and lower stator salient poles, and allowing a coil to sequentially pass through the respective slots of the stator salient poles and to be wound on the outer circumferential surface of the stator yoke along the circumferential direction, and a shaft rotatably mounted in the hollow of the stator yoke;a rotator core having rotor salient poles isotropic-rectangularly formed on an inner circumferential surface thereof along the circumferential direction and covering and facing the upper and lower salient pole pieces of the stator salient poles with air gaps disposed therebetween and fastened to the shaft to be rotatable;a position detecting means sensing a rotational position of the rotator core; anda controller applying electricity to the coil during a time period where the stator salient poles and the rotor salient poles turn from non-alignment to alignment to generate a positive torque.2. The outer-rotator-type switched reluctance motor of claim 1 , further comprising a stator base disposed under the stator core to support the stator core claim 1 , ...

COIL END BENDING JIG AND COIL END BENDING METHOD

A coil end bending jig pushes down a plurality of coil ends of coil segments held by a toric stator core, the plurality of coil ends being arranged on a same circumference. The coil end bending jig includes a plurality of bending units each having a bending tooth that makes contact with a corresponding one of the coil ends, and a guide member having a plurality of guiding slits into which the plurality of bending units is inserted, respectively. The plurality of guiding slits extends from an inner peripheral side of the stator core to an outer peripheral side of the stator core so as not to intersect with each other when viewed from an axial direction of the stator core. 1. A coil end bending jig comprising:a plurality of bending units each having a bending tooth making contact with a corresponding one of a plurality of coil ends of a plurality of coil segments held by a toric stator core, the plurality of coil ends being arranged on a first circumference; anda guide member having a plurality of guiding slits into which the plurality of bending units is inserted, respectively, the plurality of guiding slits extending from an inner peripheral side of the stator core to an outer peripheral side of the stator core so as not to intersect with each other when viewed from an axial direction of the stator core.2. The coil end bending jig according to claim 1 , whereinthe guiding slits extend linearly when viewed from the axial direction of the stator core.3. The coil end bending jig according to claim 2 , whereinthe guiding slits extend along a tangential direction with respect to a circle on which the plurality of coil ends is arranged, when viewed from the axial direction of the stator core.4. The coil end bending jig according to claim 1 , further comprising:a drive plate including a plurality of driving slits arranged on a second circumference, and a through-hole provided in a center of the drive plate, the drive plate being rotatable relative to the guide member, ...

ROTOR COIL SHAPING DEVICE

An object of the present invention is to provide a rotor coil shaping device which can improve the production efficiency and reduce the labor intensity of workers. The device comprises a locating piece and a press piece located above the locating piece. A locating boss, extending upward and having a width the same as that of a rotor slot opening of a rotor, is provided in the middle of the locating piece in a longitudinal direction, a stop boss extending upward is provided on at least one of front and rear ends of the locating piece, and upper shaping blades each having an arc groove opening downward are fixed on a lower side of the press piece. 1. A rotor coil shaping device , comprising a locating piece and a press piece located above the locating piece , wherein a locating boss , extending upward and having a width the same as that of a rotor slot opening of a rotor , is provided in the middle of the locating piece in a longitudinal direction , a stop boss extending upward is provided on at least one of front and rear ends of the locating piece , and upper shaping blades each having an arc groove opening downward are fixed on a lower side of the press piece.2. The rotor coil shaping device according to claim 1 , wherein the locating piece is fixed on the locating base which is sleeved on two vertically arranged guide rods claim 1 , and a lower end of each guide rod is fixed to the base plate; a spring sleeved on each guide rod is provided between the locating base and the base plate claim 1 , and lower shaping blades claim 1 , extending upward and having an arc groove opening upward claim 1 , are provided on the base plate and located under the upper shaping blades.3. The rotor coil shaping device according to claim 2 , wherein the upper shaping blade is provided on both front and rear ends of the press piece claim 2 , respectively claim 2 , the lower shaping blade is provided at both front and rear sides of the locating base claim 2 , respectively claim 2 , and ...

ROTARY ELECTRICAL MACHINE PROVIDED WITH A STATOR

A stator of a rotary electrical machine has a stator body formed by a stack of metal sheets. The stator body is delimited by inner and outer radial surfaces. Notches in the stator body extend axially. Each notch has a notch base and a notch opening, and the notch opening is on the side of the inner radial surface. A stator winding is supported by the stator body, and the winding has a plurality of winding parts. Each part is accommodated in one of the notches. Each of the notches at the notch opening has a closure element. Each winding par in a notch is retained between the notch base and the closure element. The closure elements are formed by offsetting at least one of the metal sheets of an adjacent notch in the direction of the notch. 2. Stator according to claim 1 , wherein one notch out of two comprises a number N of closure elements claim 1 , N being a whole number equal to 2 or more claim 1 , and the remaining notches comprising a number of closure elements strictly smaller than N.3. Stator according to claim 2 , wherein two notches with a number N of closure elements are adjacent to both sides of a notch with a smaller number of closure elements.4. Stator according to claim 1 , wherein with the notches being numbered according to the circumference of the stator claim 1 , the notches with an even number comprise a number of closure elements different from that of the notches with an odd number.542. Stator according to claim 1 , wherein the closure elements of the notches () are distributed axially along the axial length of the stator body.6414342. Stator according to claim 5 , wherein at least one of the closure elements of a notch ( claim 5 , ) with a smaller number of closure elements is situated on a radial plane which passes via the middle of two adjacent closure elements of a notch () comprising the N closure elements.7424143. Stator according to claim 1 , wherein claim 1 , for a given notch () claim 1 , with the closure elements of this notch being ...

Coil insertion device and coil insertion method

Provided is a coil insertion device for inserting a wound coil into slots formed in a stator core and opening to a through-hole of the stator core, by placing the coil in the through-hole, and by expanding the coil to move the coil from inside toward outside with respect to the stator core. The coil insertion device includes a coil expander having a plurality of piece members arranged in an annular shape. The plurality of piece members are movable between a first position where the plurality of piece members are reduced in diameter so as to be insertable inside the wound coil, and a second position where the plurality of piece members are expanded in diameter from the first position to press the wound coil from inside toward outside, thereby inserting the wound coil into the slots at once.

STATOR MANUFACTURING DEVICE AND STATOR MANUFACTURING METHOD

A highly versatile stator manufacturing device is provided. A stator manufacturing device includes: an engagement portion engageable with a distal end of an extension portion of each of a plurality of conductor segments extending from a plurality of extension positions that differ in a radial direction R in each slot of a stator core ; a circumferential direction drive portion that drives the engagement portion engaging with the extension portion in a circumferential direction C, to bend the extension portion ; and a radial direction drive portion that drives the engagement portion in the radial direction R. 1. A stator manufacturing device that bends extension portions of a plurality of conductor segments extending in an axial direction from a slot of a ring-shaped stator core at a plurality of extension positions that differ in a radial direction of the stator core , the stator manufacturing device comprising:an engagement portion engageable with a distal end of each of the extension portions, at a position corresponding to an extension position of the extension portion in the radial direction;a circumferential direction drive portion that drives the engagement portion engaging with the distal end of the extension portion in a circumferential direction of the stator core, to bend the extension portion; anda radial direction drive portion that drives the engagement portion in the radial direction.2. The stator manufacturing device according to claim 1 , comprisingan axial direction drive portion that drives the engagement portion in the axial direction of the stator core.3. The stator manufacturing device according to claim 1 , wherein the radial direction drive portion includes:a guide portion that guides the engagement portion movably in the radial direction;a follower portion fixed to the engagement portion; anda rotary portion supported rotatably in the circumferential direction of the stator core, andwherein the rotary portion has a circular arc cam surface ...

Method for manufacturing armature, and device for manufacturing armature

The method for manufacturing an armature includes a step of independently pressing pressing-target segment conductors by a plurality of pressing jigs disposed for each of the pressing-target segment conductors, such that the plurality of pressing jigs are movable relative to each other, at least either one of first segment conductors and second segment conductors serving as the pressing-target segment conductors.

METHOD AND ONE-PIECE TOOL ASSEMBLY FOR PRODUCING A STATOR FOR AN ELECTRICAL MACHINE

The disclosure relates to a method for producing a stator, where, for one or both layers of a two-layer winding, a tool with receiving regions is respectively provided on an end face of a laminated core. A relative arrangement of the receiving regions corresponds to a relative end position for conductor ends of the conductor elements. In a positioning process, the tool is moved into a first turning position and each conductor end of a first group of the conductor elements is respectively inserted into one of the receiving regions. Then the tool is turned into at least one further turning position and each conductor end of a further group of the conductor elements is respectively inserted into one of the receiving regions until the conductor ends of all the conductor elements of the layer are in the relative end position in relation to one another. 1. A method for producing a stator , the method comprising:arranging an electrical conductor element in slots of a laminated core for a radially outer layer and a radially inner layer of a two-layer winding;providing for one or both of the layers, a tool with receiving regions arranged in a ring on an end face of the laminated core, wherein a relative arrangement of the receiving regions along a circumferential direction of the ring corresponds to a relative end position for conductor ends of the conductor elements of the layer for interconnection of some of the conductor ends with corresponding conductor ends of the conductor elements of the other layer;in a positioning process, moving the tool into a first turning position;inserting each conductor end of a first group of the conductor elements of the layer into one of the receiving regions;turning the tool into at least one further turning position; andinserting each conductor end of a further group of the conductor elements of the layer into one of the receiving regions until the conductor ends of all the conductor elements of the layer are in the relative end position ...

WINDING MACHINE

A winding machine, including a receiving element for receiving a base body including teeth onto which a winding is to be wound, a nail winding head through which a wire can be guided in parallel to a surface of each tooth in order to place the wire inside a groove between two teeth of the base body, so that the tooth can be wound with the wire, and at least one retaining finger, wherein the wire can be positioned inside the groove by the retaining finger independently of the nail winding head in order to determine a target location of the wire inside the groove. 1. A winding machine comprisinga receiving element for receiving a base body comprising teeth onto which the winding is to be wound,a nail winding head through which a wire can be guided in parallel to a surface of each tooth through the base body in order to place the wire inside a groove between two teeth of the base body, so that a wire can be wound around a tooth to be wound,wherein the nail winding head has a nail support at which a needle-shaped nozzle is attached, via which a wire to be wound can be output,wherein the nozzle can be arranged transversally inside the groove, so that a distance of the nozzle to the tooth to be wound is smaller than to an adjacent tooth that delimits the groove.2. The winding machine according to claim 1 , wherein the nozzle can be aligned in parallel to a side surface of the tooth to be wound that delimits the groove.3. The winding machine according to claim 1 , wherein the nozzle can be rotated relative to the receiving element about a processing axis by means of the nail support claim 1 , and can be linearly displaced along the as well as perpendicular to the processing axis in three independent spatial directions claim 1 , wherein the wire can be output perpendicular to the processing axis through the nozzle claim 1 , and wherein the receiving element is in particular rotatable about a rotational axis that is parallel to the processing axis.4. The winding machine ...

Method for Producing a Stator for an Electric Motor

The present invention relates to a method for producing a stator which includes the steps of inserting a stator segment into a former; introducing a coil wire winding into a coil space of the stator segment, and out via a slot which is located in the region between two pole horns; cohesively connecting the turns of the coil at least partially, at least in parts of that region of the coil, which is located outside the slot; and removing the former. 1. A method for producing a stator comprising:providing a stator body having at least two stator segments, and wherein the respective stator segments each defines a coil space for accommodating a coil wire in the form of a coil, and wherein the coil space has a slot;inserting a stator segment into a former;introducing the coil wire into the coil space of each of the stator segments to form the coil, and wherein the coil wire forming the coil is wound out via the slot in the region between two pole horns;cohesively connecting the turns of the coil at least partially, at least in parts of that region of the coil, and which is located outside the slot; andremoving the former.2. A method according to claim 1 , and wherein the step of introducing the coil wire further comprises:positioning a wire supply of the coil wire relative to the former and fixing an end section of the coil wire to a tensioning element; androtating the stator segment with the former relative to the wire supply for directly winding the stator segment with the coil wire.3. A method according to claim 2 , and wherein each stator segment is rotated about an axis of rotation which is arranged substantially perpendicular to a longitudinal axis of the stator segment.4. A method according to claim 2 , and wherein the supplied coil wire in the former acquires its final shape without additional pressing or shaping.5. A method according to claim 1 , and wherein during the step of introducing the coil wire into the coil space claim 1 , the coil wire is brought to ...

Rotary electric machine and manufacturing method therefor

In a rotary electric machine according to the present invention, an armature winding includes a plurality of distributed winding bodies that are each produced by winding a single conductor wire that is insulated, that is jointless and continuous, and that has a constant cross-sectional area perpendicular to a longitudinal direction, the conductor wires include first through third coil end portions that link first through fourth rectilinear portions and first through fourth rectilinear portions, and are formed such that radial widths w′ of the first through fourth rectilinear portions are wider than radial widths w of the first through third coil end portions.

ELECTRICAL CONDUCTOR BENDING METHOD AND APPARATUS

A control device moves a split claw () holding a projecting portion () of an eighth-layer coil segment () in a counterclockwise direction D. At this time, the control device moves first to third extended blades () to () in an outward direction D so that the projecting portion () of the eighth-layer coil segment () is bent in the outward direction D. Then, the control device moves the first to third extended blades () to () in an inward direction D. Through the above steps, the projecting portion () of the eighth-layer coil segment () is bent in the counterclockwise direction D while being bent in the outward direction D. As a result, a return force tending to return in the inward direction D is generated by an elastic deformation force. 1. An electrical conductor bending method , in which a leg portion of each of a pair of electrical conductors formed in a U-shape and arranged in a radial direction of an annular shaped stator core is inserted into each of a plurality of slots provided on a circumference of the stator core , a projecting portion of the leg portion projecting from the slot is held by a holding member , the holding member holding the projecting portion is moved in a circumferential direction of the stator core , and thereby the projecting portion is bent in the circumferential direction , whereinthe method comprises a bending step of, while applying a stress in an outward direction of the radial direction by pressing a pressure member against one of projecting portions disposed outside the radial direction of the pair of electrical conductors, moving the holding member holding the one of the projecting portions in the circumferential direction to thereby bend the one of the projecting portions in the circumferential direction.2. The electrical conductor bending method according to claim 1 , whereinin the bending step, the pressure member applies the stress in the outward direction of the radial direction to a root portion of the one of the projecting ...

Rotating Electrical Machine and Method for Manufacturing Rotating Electrical Machine

A rotating electrical machine includes a stator and a rotor. The stator winding includes a plurality of conductor segments inserted through the slots from one end surface of the stator core with end portions of the conductor segments projecting out beyond another end surface of the stator core. The conductor segments include an undeformed portion, a plastically deformed portion formed at the end portions thereof and a tapered portion. The plastically deformed portion has a dimension of the plastically deformed portion along a circumferential direction that is greater than a dimension of the undeformed portion along the circumferential direction and so that a dimension of the plastically deformed portion along a radial direction is smaller than a dimension of the undeformed portion along the radial direction. The conductor segments are welded together at tops of the plastically deformed portions thereof.

ARMATURE AND ARMATURE MANUFACTURING METHOD

An armature including a core that includes plural teeth extending in a radial shape, and that has a slot formed between each of the plural teeth; a plurality of first winding coil sections formed by winding coil wire plural times spanning different respective sets of least two of the teeth, while shifting by one slot each time toward one side in the circumferential direction of the core; and a plurality of second winding coil sections formed by winding coil wire plural times spanning different respective sets of least two of the teeth, while shifting by one slot each time toward the other side in the circumferential direction of the core. 1. An armature comprising:a core including a plurality of teeth extending in a radial shape with a slot formed between each of the plurality of teeth;first winding coil sections formed in a plurality of layers by winding coil wire a plurality of times spanning different respective sets of least two of the teeth, while shifting by one slot each time toward one side in the circumferential direction of the core; andsecond winding coil sections formed in a plurality of layers by winding coil wire a plurality of times spanning different respective sets of least two of the teeth, while shifting by one slot each time toward the other side in the circumferential direction of the core.2. The armature of claim 1 , wherein:an end portion at one side in the core circumferential direction of a final wound layer out of the plurality of the first winding coil sections is wound so as to be disposed flat against one side face of the tooth, from a base end side to a leading end side of the tooth.3. The armature of claim 1 , wherein:the core includes eighteen teeth as the plurality of teeth;{'sup': st', 'th, 'the plurality of the first winding coil sections form 1layer to 4layer first winding coil sections, each wound a plurality of times spanning a different set of four of the teeth; and'}{'sup': th', 'th', 'th', 'th, 'the plurality of the second ...

ROTOR AND METHOD OF FORMING SAME

A method of forming a rotor includes inserting a conductor bar into a slot defined by a lamination stack to define a gap between the conductor bar and the lamination stack. The method further includes, after inserting, swelling the conductor bar within the slot to fill the gap and form the rotor. A rotor is also disclosed.

METHOD AND SYSTEM OF MANUFACTURING ARMATURE COIL

A method of manufacturing an armature coil includes the steps of: stacking multiple armature coils to generate a stack of armature coils in a stacking direction as a first step; securing first and second ends of the stack of armature coils with a pair of clamping dies, respectively, as a second step after completing the first step; and sandwiching and depressing the stack of armature coils with pressing die in a given direction intersecting the stacking direction as a third step after completing the second step. The pressing die includes a pair of sandwiching dies to sandwich and depress the stack of armature coils in the given direction. The pair of sandwiching dies has a narrower interval at a position closer to a first end of the stack than that at another position closer to a second end thereof. 13235. A method of manufacturing an armature coil () installed in a slot () radially extended in a stator core , the slot having a shape increasingly widened in a circumferential direction from a radial inner side to a radial outer side of the stator core , the method comprising the steps of:stacking multiple armature coils to obtain a stack of armature coils stacked in a stacking direction as a first step;securing first and second ends of the stack of armature coils with a pair of clamping dies, respectively, as a second step after completing the first step; andsandwiching and depressing the stack of armature coils with a pressing die in a given direction intersecting the stacking direction as a third step after completing the second step,the pressing die including a pair of sandwiching dies to sandwich and press the stack of armature coils in the given direction,the pair of sandwiching dies having a narrower interval at a position closer to a first end of the stack than an interval at another position closer to a second end of the stack to mold the stack into substantially the same shape as the slot.2. The method as claimed in claim 1 , further comprising the step of ...

APPARATUS AND METHOD FOR ALIGNING CONDUCTORS OF COIL MEMBERS IN CORES OF ELECTRIC DYNAMO MACHINES PRIOR TO WELDING OPERATIONS

Apparatus and method for aligning wire conductors () extending from coil members () inserted in slots of a core () of an electric dynamo machine to join the ends () of the wire conductors by means of a welding operation accomplished by welding means (), comprising: a first member () having a plurality of passages (); a second member () having a plurality of passages (); the first and second members () being assembled adjacent to each other to align in pairs the passages () of the first member () with the passages (′) of the second member (); each pair of aligned passages (′) forming a single passage capable of receiving at least the end portions () of two conductors; the first member () and the second member () being relatively moved in the circumferential direction (C) of the core to cause the sides of the passages (′) to engage and move the end portions () of the wire conductors in the circumferential direction (C); a thrust in the radial direction (R) of the core being exerted on inclined portions (I) of the wire conductors to cause the end portions () of the wire conductors present in a single passage to engage each other in the radial direction (R) and the portion of wire conductor most distant in the radial direction in the single passage to engage the sides of the single passage in the radial direction (R). 115-. (canceled)16. A wire conductor alignment apparatus for aligning wire conductors of coil members provided in a core of a dynamo electric motor or generator for welding the ends thereof , the apparatus comprising: each first passage is overlapped with a second passage to form a pair,', 'each pair of passages form a combined third passage, and', 'each third passage is configured to receive at least one end portion of at least two', 'wire conductors of a coil member of a dynamo electric machine; and, 'a plurality of circumferentially arranged first passages and a plurality of circumferentially arranged second passages, whereinan actuator for moving at ...

STATOR MANUFACTURING APPARATUS AND STATOR MANUFACTURING METHOD

A stator manufacturing apparatus includes an insertion tool that is insertable into a stator core and being configured to dispose a pair of side parts of a stator coil in two holding grooves. A pressing tool has plate-like pushers arranged to correspond to the positions of the holding grooves. The pressing tool pushes out the side parts of the stator coils and inserts the side parts into the corresponding slots. A pair of shaping tools face coil end parts of the stator coils. A plurality of slits through which the pushers are insertable are provided in a principal surface of each shaping tool. A shaping tool moving unit shapes the coil end parts by pressing the pair of shaping tools in an axial direction with the pushers inserted in each of the corresponding holding grooves. 1. A stator manufacturing apparatus , comprising:an insertion tool configured to be insertable into a stator core, the insertion tool having a plurality of slit-like holding grooves formed on an outer periphery in correspondence with a plurality of slots of the stator core, the insertion tool being configured to dispose a pair of side parts of a stator coil in two of the holding grooves separated by a predetermined width;a pressing tool including a plurality of plate-like pushers narrowed in width toward tips and arranged to correspond to the positions of the plurality of holding grooves of the insertion tool, the pressing tool being configured to push out the side parts of the stator coils toward a radially outer side and insert the side parts into the corresponding slots by inserting the pushers into each of the corresponding holding grooves with the tips in the lead in a state where the stator coils are disposed on the insertion tool;a pair of shaping tools provided to face coil end parts of a plurality of the stator coils having the pairs of side parts inserted in the plurality of slots, the coil end parts projecting from end edges of the stator core, a plurality of slits through which the ...

METHOD AND APPARATUS FOR COMPACT INSERTION OF MULTIPHASE PSEUDO HELICAL WAVE WINDING INTO ELECTRICAL MACHINE

A method and an apparatus for compact insertion of thick wire multiphase pseudo helical wave winding into a ferromagnetic core of an electrical machine, achieving high fill factor of the core slots, resulting in better heat transfer between the winding and the core, low mass and volume, and overall higher efficiency of electrical machine. An apparatus being fully programmable and physically adaptable to wide range of electric machine dimensions, where process is automated, simple, accurate, reliable and quick, while being suitable for mass production. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. (canceled)13. (canceled)14. (canceled)15. (canceled)16. A method of insertion of compact multiphase pseudo helical wave winding to an electric machine , said method comprising:a. feeding a formed wire band to a rotating ferromagnetic core tangentially, wherein a plurality of formed wire band straight segments parallel orientation of a plurality of ferromagnetic core slots;b, rotationally aligning a first suitable ferromagnetic core slot geometric centerline parallel to a geometric centerline of the inserting tool;c, positioning a first of the straight and parallel to the ferromagnetic core slots segment of the formed wire band above first suitable ferromagnetic core slot, including positioning said ferromagnetic core slot about said formed wire bands pole division layouts;d. laterally and symmetrically detaining a position of said first straight and parallel to the ferromagnetic core slots segment of the formed wire band into a position above the first suitable ferromagnetic core slot;e. inserting the first of the straight and parallel to the ferromagnetic core slots segment of the formed wire band into the first suitable ferromagnetic core slot with an optimal force so as to achieve desired depth of insertion;f. rotationally aligning the second suitable ferromagnetic core ...

METHOD FOR MAKING STATOR OF ROTARY ELECTRICAL MACHINE

A stator of a rotary electrical machine has a stator body formed by a stack of metal sheets. The stator body is delimited by inner and outer radial surfaces. Notches in the stator body extend axially. Each notch has a notch base and a notch opening, and the notch opening is on the side of the inner radial surface. A stator winding is supported by the stator body, and the winding has a plurality of winding parts. Each part is accommodated in one of the notches. Each of the notches at the notch opening has a closure element. Each winding par in a notch is retained between the notch base and the closure element. The closure elements are formed by offsetting at least one of the metal sheets of an adjacent notch in the direction of the notch. 120.-. (canceled)2161: A method for making a stator () of a rotary electrical machine () , comprising the steps of:{'b': 4', '4', '44', '41', '42', '43', '45', '4', '44', '41', '42', '43', '48', '49', '49', '4, 'forming a stator body () from a stack of geometrically identical metal sheets, the stator body () having an axis (X) and provided with notches (, , , ) extending both radially and axially and separated by teeth (), the stator body () delimited by an inner radial surface and an outer radial surface, each of the notches (, , , ) having a notch base () and a notch opening (), the notch opening () being situated on a side of the inner radial surface of the stator body ();'}{'b': 5', '4', '5', '51', '52', '53', '51', '52', '53, 'mounting a stator winding () to the stator body (), the winding () comprising a plurality of winding parts (, , ), each of the winding parts (, , ) being accommodated in one of the notches; and'}{'b': 451', '452', '452', '453', '454', '44', '41', '42', '43', '44', '41', '42', '43, 'i': a,', 'b,, 'forming at least one notch closure element (, , ) of each of the notches (, , , ) at the notch opening of each of the notches (, , , ) by circumferential offsetting of at least one of the metal sheets at the ...

Outer rotor type switched reluctance motor

본 발명은 고정자 돌극에 원주방향의 슬롯을 형성하고, 슬롯을 통과하며 고정자 코어의 원주방향을 따라 권선한 코일에 의해서, 고정자 돌극과 회전자 돌극 내에서 자기 회로를 구성하여 자기 경로를 최단 거리로 확보하고, 이에, 코어에서의 자기 손실을 최소화하여 자기 에너지의 이용 효율을 극대화하고, 코일의 권선 작업이 간단하면서 견고한 구조를 갖는 외륜 회전자형 스위치드 릴럭턴스 모터에 관한 것이다. According to the present invention, a magnetic circuit is formed in a stator pole pole and a rotor pole pole by a coil having a circumferential slot formed in the stator pole pole and passing through the slot and being wound along the circumferential direction of the stator core, The present invention relates to an outer ring rotor-type switched reluctance motor that maximizes the use efficiency of magnetic energy by minimizing magnetic loss in the core and has a simple and robust structure for winding the coil.

Stator manufacturing apparatus and stator manufacturing method

스테이터의 제조 장치는, 스테이터 코어 내에 삽입할 수 있도록 구성되며, 복수의 슬롯에 대응하여, 슬릿형의 복수의 유지홈이 외주에 형성되고, 소정 폭 이격된 2개의 유지홈에 스테이터 코일의 한 쌍의 변부를 개재시키는 삽통 지그와, 선단을 향할수록 폭이 좁아지는 복수의 판형의 푸셔가, 삽통 지그의 복수의 유지홈의 위치를 따라 배치되어 있고, 삽통 지그에 스테이터 코일이 개재된 상태에서, 푸셔를 그 선단으로부터 대응하는 유지홈에 삽입함으로써, 스테이터 코일의 변부를 외경측으로 압출하여 각각 대응하는 슬롯에 삽입하는 압압 지그와, 한 쌍의 변부가 복수의 슬롯에 삽입된 복수의 스테이터 코일의 스테이터 코어의 끝에지로부터 돌출하는 코일 엔드부에 대향하여 설치된 한 쌍의 성형구와, 푸셔가 유지홈에 삽입된 상태에 있어서, 코일 엔드부에 대하여 축 방향으로부터 한 쌍의 성형구를 강하게 가압함으로써, 코일 엔드부를 성형하는 성형구 이동부를 구비하고 있다. The apparatus for manufacturing a stator is configured to be inserted into the stator core, and a plurality of slit-shaped holding grooves are formed on the outer circumference corresponding to the plurality of slots, and a pair of stator coils are provided in two holding grooves spaced a predetermined width apart. In the state where the insertion jig which intersects the edge part of this, and the several plate-shaped pusher which becomes narrower toward the front-end | tip are arrange | positioned along the position of the some holding groove of the insertion jig, and the stator coil is interposed in the insertion jig, By inserting the pusher into the corresponding retaining groove from the front end, a pressing jig for extruding the edge portion of the stator coil to the outer diameter side and inserting it into the corresponding slot, respectively, and the stator of the plurality of stator coils in which the pair of edge portions are inserted into the plurality of slots. A pair of shaping | molding tools provided opposite to the coil end part which protrudes from the edge of a core, and a coil in the state in which the pusher was inserted in the holding groove. By strongly pressing the sphere molding of the pair from the axial direction with respect to the deubu, shaping, molding to the coil end section and a moving sphere parts.

Motor stator and forming method thereof

본 개시에 따른 모터 스테이터 구조는 코어 및 다수의 헤어핀 와이어들을 포함한다. 코어는 슬롯들, 삽입 사이드 및 연장 사이드를 가진다. 각각의 슬롯들은 코어의 방사 방향으로 구성된 최내부층, 제2 내부층, 제2 외부층 및 최외부층을 구비한다. 최내부층으로부터 돌출하는 헤어핀 레그는 제1 폭 간격만큼 연장하고, 제2 내부층으로부터 돌출하는 헤어핀 레그는 제2 폭 간격만큼 연장하고, 제2 외부층으로부터 돌출하는 헤어핀 레그는 제3 폭 간격만큼 연장하고, 최외부층으로부터 돌출하는 헤어핀 레그는 제4 폭 간격만큼 연장한다. 제1 폭 간격은 제2 폭 간격과 상이하다. 제3 폭 간격은 제4 폭 간격과 상이하다. 제1 폭 간격과 제4 폭 간격은 실질적으로 동일하다. 제2 폭 간격과 제3 폭 간격은 실질적으로 동일하다. The motor stator structure according to the present disclosure includes a core and a plurality of hairpin wires. The core has slots, an insertion side and an extension side. Each of the slots has an innermost layer, a second inner layer, a second outer layer and an outermost layer configured in the radial direction of the core. A hairpin leg protruding from the innermost layer extends by a first width interval, a hairpin leg protruding from the second inner layer extends by a second width interval, and a hairpin leg protruding from the second outer layer is extended by a third width interval. The hairpin leg extending and protruding from the outermost layer extends by a fourth width interval. The first width spacing is different from the second width spacing. The third width spacing is different from the fourth width spacing. The first width spacing and the fourth width spacing are substantially the same. The second width spacing and the third width spacing are substantially the same.

Synchronous machine rotor manifold comprising means for holding a winding wire.

Collecteur de rotor de machine synchrone comprenant un moyen de maintien d’un fil de bobinage. L’invention porte sur un collecteur (10) de rotor (20) de machine synchrone, le collecteur (10) comprenant une embase (11) destinée à venir au niveau d’un bobinage d’un tel rotor (20), caractérisé en ce que l’embase (11) comprend un moyen de maintien d’un fil (5) de bobinage destiné à venir au contact ou sensiblement au contact d’un tel fil (5), le moyen de maintien comprenant un pion (41) s’étendant depuis l’embase (11), notamment un pion (41) cylindrique ou sensiblement cylindrique d’axe de révolution (B) parallèle ou sensiblement parallèle à l’axe de rotation du collecteur (10), le moyen de maintien comprenant une surépaisseur (43) s’étendant radialement vers l’extérieur. Figure d’abrégé : fig. 5 Synchronous machine rotor manifold comprising means for holding a winding wire. The invention relates to a manifold (10) for a rotor (20) of a synchronous machine, the manifold (10) comprising a base (11) intended to come to the level of a winding of such a rotor (20), characterized in that the base (11) comprises a means for holding a winding wire (5) intended to come into contact or substantially into contact with such a wire (5), the holding means comprising a pin (41) extending from the base (11), in particular a cylindrical or substantially cylindrical pin (41) with an axis of revolution (B) parallel or substantially parallel to the axis of rotation of the collector (10), the holding means comprising an extra thickness (43) extending radially outwards. Abstract figure: Fig. 5

Method for winding a wire about a toothed part of an electric motor

The invention relates to a method and a device (2) for winding a coil wire (8) originally having a round cross-section about a toothed part (4) of an electric motor, wherein the coil wire (8) is transformed into a coil wire (8') having a cross-section that is different from the round cross-section in a shaping process, and the transformed coil wire (8') is wound about the teeth (6) of the motor part (4) in order for a rotary-field winding to be made.

Arrangement of coil wires in a rotor of an electric motor

本发明涉及一种电动马达的转子中的线圈导线的布置。用于电动马达的电枢包括多个齿和多个空腔，其中，这些空腔中的每个空腔均布置在所述多个齿中的两个齿之间，并且所述多个空腔中的至少一个空腔被构造并布置成用于与该至少一个空腔的壁部相邻地接收线圈，所述多个空腔中的所述至少一个空腔包括连接线接收部。

Rotary electric machine and manufacturing method therefor

In a rotary electric machine according to the present invention, an armature winding includes a plurality of distributed winding bodies that are each produced by winding a single conductor wire that is insulated, that is jointless and continuous, and that has a constant cross-sectional area perpendicular to a longitudinal direction, the conductor wires include first through third coil end portions that link first through fourth rectilinear portions and first through fourth rectilinear portions, and are formed such that radial widths w′ of the first through fourth rectilinear portions are wider than radial widths w of the first through third coil end portions.

Apparatus for attaining the desired configurations of electrical coils

Method for the toothed motor part for winding electro-motor

本发明涉及一种用于在使用具有圆形的线材横截面的线圈线材(8)的情况下缠绕电动马达的带齿的马达部件(4)的方法和设备(2)，其中，线圈线材(8)在改型过程中转变成具有不同于圆形的线材横截面的线材横截面的线圈线材(8’)，并且绕着马达部件(4)的齿(6)卷绕改型的线圈线材(8’)用以制造旋转磁场绕组。

Device for inserting insulating sleeves into wiring slots of flat wire motor stator

An insulation sleeve insertion device for inserting insulating sleeves into wiring slots of a flat wire motor stator, comprising a processing panel, a feeder, a conveying mechanism comprising conveyor belts, a positioning mechanism comprising a limit ring and a positioning turntable, a guide mechanism comprising a plurality of second guide rails, a clamping mechanism comprising a drive rod, a positioning plate set, and a drive mechanism comprising a second driver, wherein the clamping mechanism is configured to insert insulating sleeves into wiring slots of the flat wire motor stator through the guide mechanism.

ARMOR FOR AN ELECTRIC MOTOR ROTOR, METHOD FOR THE DISPOSAL OF ELECTRICAL WIRES IN IT AND ELECTRIC MOTOR THAT UNDERSTANDS THE SAME

arranjo de fios de bobina em um rotor de um motor elétrico. uma armadura para um motor elétrico, a armadura compreendendo uma pluralidade de dentes e uma pluralidade de cavidades, em que cada uma das cavidades é disposta entre dois da pluralidade de dentes, e em que pelo menos uma da pluralidade de cavidades é configurada e disposta para o recebimento de enrolamentos de bobina adjacentes a uma porção de parede de pelo menos uma cavidade, em que pelo menos uma da pluralidade de cavidades compreende um receptor de fio de comutação. arrangement of coil wires in an electric motor rotor. an armature for an electric motor, the armature comprising a plurality of teeth and a plurality of cavities, where each of the cavities is arranged between two of the plurality of teeth, and in which at least one of the plurality of cavities is configured and arranged for receiving coil windings adjacent to a wall portion of at least one cavity, wherein at least one of the plurality of cavities comprises a switch wire receiver.

Motor stator and forming method thereof

A motor stator structure includes a core and plural hairpin wires. The core has slots, an insertion side, and an extension side. Each slot has an innermost layer, a second inner layer, a second outer layer and an outermost layer configured in a radial direction of the core. The hairpin leg protruding from the innermost layer extends for a first span distance, the hairpin leg protruding from the second inner layer extends for a second span distance, the hairpin leg protruding from the second outer layer extends for a third span distance, and the hairpin leg protruding from the outermost layer extends for a fourth span distance. The first span distance is different from the second span distance. The third span distance is different from the fourth span distance. The first and fourth span distances are substantially the same. The second and third span distances are substantially the same.

Stator of rotating electric machine

A stator includes an annular stator core having a plurality of slots arranged in the circumferential direction at predetermined intervals and a stator coil formed of a plurality of electric conductor wires mounted on the stator core. Each of the electric conductor wires has a plurality of in-slot portions received in the slots of the stator core and a plurality of turn portions that connect, on the outside of the slots, adjacent pairs of the in-slot portions. The stator coil has first and second coil end parts and that respectively protrude axially outward from a pair of axial end faces of the stator core. At each of the coil end parts, the turn portions of the electric conductor wires are stacked in a radial direction of the stator core, and the axial heights h 1 of the turn portions are set so as to gradually increase from the radially inside to the radially outside.

STATOR MANUFACTURING DEVICE AND STATOR MANUFACTURING METHOD

Ein Stator-Herstellungs-Gerät beinhaltet ein Einsetz-Werkzeug, ein Press-Werkzeug, ein Paar von Formungs-Wekrzeugen, und eine Formungs-Werkzeug-Bewegungseinheit. Das Einsetz-Werkzeug ist konfiguriert um in einen Stator-Kern eingesetzt zu werden, hat eine Mehrzahl von schlitzartigen Halte-Nuten, die an einem äußeren Umfang in Korrespondenz mit einer Mehrzahl von Schlitzen ausgebildet sind, und ist konfiguriert sodass ein Paar von Seiten-Teilen einer Stator-Spule in zwei von den Halte-Nuten, getrennt durch eine vorgegebene Breite, positioniert ist. Das Press-Werkzeug beinhaltet eine Mehrzahl von plattenartigen Drückern, verengt in der Breite zu der Spitze, und angeordnet um mit den Positionen der Mehrzahl von Halte-Nuten des Einsetz-Werkzeugs zu korrespondieren, und drückt die Seiten-Teile der Stator-Spulen zu einer radialen Außen-Seite heraus, und setzt die Seiten-Teile in die korrespondierenden Schlitze ein, durch Einsetzen der Drücker in die korrespondierenden Halte-Nuten, mit den Spitzen in der Führung, in einem Zustand in dem die Stator-Spulen an dem Einsetz-Werkzeug positioniert sind. Das Paar von Formungs-Werkzeugen ist vorgesehen, um Spulen-End-Teile der Mehrzahl von Stator-Spulen zugewandt zu sein, welche die Paare von Seiten-Teilen haben, die in die Mehrzahl von Schlitzen eingesetzt sind. Die Spulen-End-Teile stehen von End-Kanten des Stator-Kerns vor. Die Formungs-Werkzeug-Bewegungseinheit ist konfiguriert, um die Spulen-End-Teile zu formen, durch Pressen des Paares von Formungs-Werkzeugn in eine axiale Richtung gegen die Spulen-End-Teile, mit den Drückern, eingesetzt in den Halte-Nuten. A stator manufacturing apparatus includes an insertion tool, a pressing tool, a pair of forming tools, and a forming tool moving unit. The insertion tool is configured to be inserted into a stator core, has a plurality of slit-like holding grooves formed on an outer circumference in correspondence with a plurality of slits, and is configured so that a pair of side pieces a ...

Method and system for manufacture of a compressed coil

Stator and manufacturing method thereof

A stator (1) has three-phase coil conductors (3) for U-phase, V-phase and W-phase arranged in a distributed winding state in multiple slots (21) that extend in the axial direction (L) of a stator core (2). The three-phase coil conductors (3) each have a slot conductor section disposed in a slot (21), and coil end conductor sections (32, 33) that are disposed in pairs at both ends in the axial direction (L) of the stator core (2) and that interconnect slot conductor sections that are disposed in other slots (21). A crossover wire section (333) at one side for each phase that extends in the circumferential direction (C) in the coil end conductor section (33) is disposed further inward in the radial direction than the inner circumferential edge of the teeth, and is disposed such that it overlaps, in the axial direction (L), another crossover wire section (333) at one side for the same phase.

Method and device for producing a winding of a winding support of an electrical machine, winding support and electric machine

Offenbart wird ein Verfahren zum Herstellen einer Wicklung (WL) eines Wicklungsträgers (ST) einer elektrischen Maschine, mit folgenden Verfahrensschritten: – Bereitstellen (S100) eines Blechpakets (BP), wobei das Blechpaket (BP) eine Achse (AS) und einen ersten, sich in Richtung der Achse (AS) erstreckenden Schlitz (SL1) zur Aufnahme von einem ersten Wicklungssegment (P1) zum Herstellen der Wicklung (WL) aufweist, wobei der erste Schlitz (SL1) in Richtung der Achse (AS) betrachtet auf einem ersten Kreis (KS1) angeordnet wird, durch dessen Kreismittelpunkt (KM1) die Achse (AS) verläuft, – Anordnen (S200) des ersten Wicklungssegments (P1) in den ersten Schlitz (SL1), wobei ein erster Bereich (B1) des ersten Schlitzes (SL1) aus dem Blechpaket (BP) herausragt, – Biegen (S300) des ersten Bereichs (B1) durch Ausüben einer ersten, in Richtung der Achse (AS) wirkenden Kraft (KA1) und einer ersten, tangential zu dem ersten Kreis (KS1) wirkenden Kraft (KT1) auf den ersten Bereich (B1) in eine erste, zu dem ersten Kreis (KS1) tangentiale Richtung (TR1). Disclosed is a method for producing a winding (WL) of a winding support (ST) of an electrical machine, comprising the following method steps: - providing (S100) a laminated core (BP), wherein the laminated core (BP) has an axis (AS) and a first, slot (SL1) extending in the direction of the axis (AS) for receiving a first winding segment (P1) for producing the winding (WL), the first slot (SL1) being viewed in a first circle in the direction of the axis (AS) (KS1) is arranged, through whose circle center (KM1) the axis (AS) runs, - arranging (S200) of the first winding segment (P1) in the first slot (SL1), wherein a first region (B1) of the first slot (SL1 protruding from the laminated core (BP), bending (S300) the first region (B1) by exerting a first force (KA1) acting in the direction of the axis (AS) and a first tangential to the first circle (KS1) Force (KT1) on the first area (B1) i n a first, to the first circle (KS1) ...

Inserting method and device of insulating bush for stator slot of flat wire motor

본 발명은 평각선 모터의 고정자 슬롯에 절연 슬리브를 삽입하는 방법 및 삽입 장치를 제공하며, 다음의 단계를 포함한다: S1: 평각선 모터의 고정자 슬롯의 크기와 매칭되는 성형 절연 슬리브를 선택하고, 고정자의 크기에 따라 절연 슬리브의 길이를 절단하여 예비 가공을 하는 단계; S2: 예비 가공된 절연 슬리브를 전송기구를 통해 후방의 고정용 기구로 이송하는 단계; S3: 클램프 기구를 이용하여 고정용 기구의 절연 슬리브를 평각선 모터의 고정자 슬롯 상단의 평면으로 이송하는 단계; S4: 고정용 삽입판의 평각선 모터의 고정자 상측으로 가이드 기구를 이동하는 단계; S3 단계와 S4 단계는 동시에 진행되며; S5: 평각선 모터의 고정자 슬롯이 설정된 점적률에 달성할 때까지 S1-S4 단계를 반복하는 단계. 본 발명은 종래의 기술에서 평각선 모터의 고정자 슬롯에 절연 슬리브를 삽입할 때 효율이 낮고, 절연성이 불안정하는 문제점을 해결할 수 있어, 생산 효율을 극대화한다. The present invention provides a method and an inserting device for inserting an insulating sleeve into a stator slot of a flat line motor, comprising the following steps: S1: selecting a molded insulation sleeve matching the size of a stator slot of a flat line motor; cutting the length of the insulating sleeve according to the size of the stator to perform preliminary processing; S2: transferring the pre-processed insulating sleeve to the fixing mechanism at the rear through the transmission mechanism; S3: transferring the insulating sleeve of the fixing mechanism to the plane of the top of the stator slot of the flat motor by using the clamp mechanism; S4: moving the guide mechanism to the upper side of the stator of the flat line motor of the insertion plate for fixing; Steps S3 and S4 are performed simultaneously; S5: Repeat steps S1-S4 until the stator slot of the flat motor achieves the set space factor. The present invention can solve the problem of low efficiency and unstable insulation when inserting the insulating sleeve into the stator slot of the flat line motor in the prior art, thereby maximizing production efficiency.

Stator manufacturing device and manufacturing method

A stator manufacturing device (20) is provided with an insertion tool (21) that is capable of being inserted into a stator core (10), has a plurality of holding grooves (23) on the outer periphery thereof, and is configured so as to have a pair of side portions (16a, 16b) of the stator coil (16) interposed in two holding grooves (23) separated by a prescribed width and a pressing tool (30) in which a plurality of plate-like pushers (33) having widths that narrow closer to the edges are disposed on a pressing body (32) so as to correspond to the positions of the plurality of holding grooves (23). The pressing tool (30) is configured so as to be inserted, from the leading end thereof, into each of the holding grooves (23), push the pair of stator coil (16) side portions (16a, 16b) inserted into the holding grooves (23) outside in the radial direction, and insert the same into corresponding slots (12). In the outer periphery of the insertion tool (21), a groove (24) is formed where gripping tools (17) for gripping the pair of side portions (16a, 16b) can be inserted into the holding grooves (23) when the stator coil is interposed using the gripping tools (17).

Method for inserting flat wire motor stator slot into insulation pipe sleeve and apparatus of the same

本發明提供一種扁線電機定子線槽絕緣管套的插入方法及插入設備，其特徵在於，包括以下步驟：S1.選取與扁線電機定子線槽尺寸相匹配的成型絕緣管套，依據定子的尺寸對絕緣套管的長度進行切割預加工；S2.將經過預加工的絕緣管套通過傳送機構送至後方的定位機構；S3.通過夾料機構將定位機構的絕緣管套送至扁線電機定子線槽上端平面；S4.將導向機構移至定位套板的扁線電機定子上方；步驟S3、S4同步進行；S5.重複S1-S4步驟，直至將扁線電機定子線槽插至設定的槽滿率。本發明能夠解決現有技術中的扁線電機定子線槽插入絕緣管套效率低、絕緣性不穩定的問題，極大的提高了生產效率。

A kind of insertion method and insertion equipment of flat wire motor stator wire casing insulative pipe sleeve

本发明提供一种扁线电机定子线槽绝缘管套的插入方法及插入设备，其特征在于，包括以下步骤：S1.选取与扁线电机定子线槽尺寸相匹配的成型绝缘管套，依据定子的尺寸对绝缘套管的长度进行切割预加工；S2.将经过预加工的绝缘管套通过传送机构送至后方的定位机构；S3.通过夹料机构将定位机构的绝缘管套送至扁线电机定子线槽上端平面；S4.将导向机构移至定位套板的扁线电机定子上方；步骤S3、S4同步进行；S5.重复S1‑S4步骤，直至将扁线电机定子线槽插至设定的槽满率。本发明能够解决现有技术中的扁线电机定子线槽插入绝缘管套效率低、绝缘性不稳定的问题，极大的提高了生产效率。

Wire pressing mechanism of automatic wire inserting machine

本发明提供一种自动嵌线机的压线机构，包括L型连接杆、内齿轮、圆形齿轮、固定板、固定杆、振动器、电动缸、振动杆以及转动电机，所述L型连接杆下端安装圆形齿轮，所述圆形齿轮安装在内齿轮上，所述圆形齿轮与内齿轮进行齿轮啮合，该设计提高了固定效果，所述固定板下端安装固定杆，所述固定杆右端安装转动电机，所述转动电机下端连接振动杆，所述振动杆设置在振动器上端，所述振动器安装在电动缸上端，所述电动缸安装在工作台内部底端，该设计可进行升降和旋转，本发明使用方便，便于操作，提高了固定效果，可自动进行收集，可进行收缩，稳定性好，可靠性高。

Coil shaping device and coil shaping method

本发明涉及一种线圈整形装置及线圈整形方法，一种线圈整形装置包括第一整形组件、第二整形组件及分拣模块，分拣模块用于接收第一整形组件和第二整形组件两者之一并带动两者之一在第一工位和第二工位之间切换，当在第一工位时两者之一与铁芯分离，当在第二工位时，第一整形组件沿纵向插设在两个绕线槽内，第二整形组件沿纵向插设在一个绕线槽内。一种线圈整形方法，包括：在铁芯的第一齿部绕完线后，使第一整形组件沿纵向插设于与第一齿部相邻的两个绕线槽内；在铁芯的剩余每一齿部绕完线，使第二整形组件沿纵向插设于一个绕线槽内。上述线圈整形装置及线圈整形方法，有效保证每一绕线槽的绕线空间。

Synchronous machine rotor manifold comprising means for holding a winding wire.

Collecteur de rotor de machine synchrone comprenant un moyen de maintien d’un fil de bobinage. L’invention porte sur un collecteur (10) de rotor (20) de machine synchrone, le collecteur (10) comprenant une embase (11) destinée à venir au niveau d’un bobinage d’un tel rotor (20), caractérisé en ce que l’embase (11) comprend un moyen de maintien d’un fil (5) de bobinage destiné à venir au contact ou sensiblement au contact d’un tel fil (5), le moyen de maintien comprenant un pion (41) s’étendant depuis l’embase (11), notamment un pion (41) cylindrique ou sensiblement cylindrique d’axe de révolution (B) parallèle ou sensiblement parallèle à l’axe de rotation du collecteur (10), le moyen de maintien comprenant une surépaisseur (43) s’étendant radialement vers l’extérieur. Figure d’abrégé : fig. 5 Synchronous machine rotor manifold comprising means for holding a winding wire. The invention relates to a manifold (10) for a rotor (20) of a synchronous machine, the manifold (10) comprising a base (11) intended to come to the level of a winding of such a rotor (20), characterized in that the base (11) comprises a means for holding a winding wire (5) intended to come into contact or substantially into contact with such a wire (5), the holding means comprising a pin (41) extending from the base (11), in particular a cylindrical or substantially cylindrical pin (41) with an axis of revolution (B) parallel or substantially parallel to the axis of rotation of the collector (10), the holding means comprising an extra thickness (43) extending radially outwards. Abstract figure: fig. 5

Winding machine

A winding machine, including a receiving element for receiving a base body including teeth onto which a winding is to be wound, a nail winding head through which a wire can be guided in parallel to a surface of each tooth in order to place the wire inside a groove between two teeth of the base body, so that the tooth can be wound with the wire, and at least one retaining finger, wherein the wire can be positioned inside the groove by the retaining finger independently of the nail winding head in order to determine a target location of the wire inside the groove.

Electric rotating machine and its manufacture method

本发明获得一种能够抑制线圈末端的径向尺寸的增大、确保线圈末端部所需的绝缘性能、并且能够提高槽满率的旋转电机及其制造方法。在本发明的旋转电机中，电枢绕组具备分别卷绕被绝缘包覆且没有连接部的连续的、与长度方向正交的截面面积固定的一根导体线(19)而制作出的多个分布卷绕式的绕组体(21)，导体线(19)具备第1至第4直线部(21a、21b、21c、21d)和连结第1至第4直线部(21a、21b、21c、21d)之间的第1至第3线圈末端部(21e、21f、21g)，成形为第1至第4直线部(21a、21b、21c、21d)的径向宽度(w’)比第1至第3线圈末端部(21e、21f、21g)的径向宽度(w)宽。

Motor with potting section and hole provided with cap through which winding is inserted

A motor unit includes a stator including a coil formed from a wound winding that is configured by a conductive member including an insulating covering layer on the surface of the conductive member, a rotor that rotates under the influence of a rotating magnetic field generated by the stator, and a centerpiece that supports the stator and is formed with a centerpiece-side winding insertion hole through which the winding is inserted. The motor unit also includes a circuit device and a potting section. The potting section is formed using potting material, and seals a gap formed between the centerpiece-side winding insertion hole and the winding by achieving a state in which a portion of the potting section is closely adhered to the covering layer of the winding.

Method of manufacturing a compression coil and a system for holding a wire when manufacturing a compression coil

Rotating electric machine and method of manufacturing rotating electric machine

Stator and manufacturing method thereof

스테이터(1)는, 스테이터 코어(2)의 축방향(L)으로 뻗는 복수의 슬롯(21)에, 분포권회(distributed winding) 상태로 U상, V상 및 W상의 3상의 코일 도체(3)를 배치하여 이루어진다. 3상의 코일 도체(3)는, 슬롯(21) 내에 배치된 슬롯 도체부와, 다른 슬롯(21) 내에 배치된 슬롯 도체부끼리를 서로 연결해서 스테이터 코어(2)의 축방향(L)의 양단측에 한 쌍으로 배치된 코일엔드 도체부(32, 33)를 각각 가지고 있다. 일방측 코일엔드 도체부(33)에 있어서 둘레방향(C)으로 뻗는 각 상의 일방측 크로스오버 와이어부(crossover wire section; 333)는, 티스(teeth)의 내주단면보다 직경방향 내측에 배치되며, 또한, 동일 상의 일방측 크로스오버 와이어부(333)와 축방향(L)으로 겹쳐서 배치되어 있다.

Apparatus for setting insulators and pressing end turns

Disclosed method includes positioning a stator assembly at a first station in a desired relationship to a wedge setting device and winding shaping mechanism; holding the stator assembly in the desired relative position (e.g. by clamping means); substantially simultaneously setting the wedges and shaping winding end turns along at least one end or side of the stator assembly; and then removing the stator assembly from the first station. The wedge setting device includes a number of outwardly movable wedge setting blades; and the winding shaping mechanism includes one or more winding pressing surfaces that are driven by camming elements which are actuated during movement of the blades. In specific apparatus, the camming elements take the form of cam surfaces which are carried by a plurality of the blades; and when a single driving member actuates the blades the blades themselves power (through the cam surfaces) the winding shaping mechanism.

Stator wire forming tool

一种线绕组(52)的成形工具(10)，绕组位于定子槽(48)内，槽限定在径向延伸的定子齿(50)之间。该工具包括支承一组细长指杆(22)的夹具(16)，而每一个指杆具有多个沿指杆纵向排列的段(38，40，42)，而各段限定了不同于相邻截面宽度尺寸的宽度尺寸，这些段的宽度尺寸由指杆的远端至近端递增。还配置了直线致动器(36)来移动夹具接近和离开定子，从而使这些指杆插入定子齿之间，以使围绕齿绕制的线压对着齿。

Winding machine

본 발명은 권선이 권선될 치형(3)을 포함하는 본체(4)를 수용하기 위한 수용 요소(11), 본체(4)의 두 개의 치형(3) 사이 그루브(10) 내에 와이어(8)를 배치하기 위하여 각각의 치형(3) 표면과 평행하게 와이어(8)를 가이드 할 수 있어 상기 치형(3)을 와이어(8)로 권선할 수 있는 네일 권선 헤드부(5) 및 그루브(10) 내에서 와이어의 타겟 로케이션을 결정하기 위해 네일 권선 헤드부(5)와는 독립적으로 그루브(10) 내에 와이어를 위치 설정할 수 있는 적어도 하나 이상의 유지 핑거부(9)를 포함하는 와인딩 머신(1)에 관한 것이다. The present invention provides a receiving element 11 for receiving a body 4 comprising teeth 3 on which windings are to be wound, a wire 8 in a groove 10 between two teeth 3 of the body 4 . In the groove 10 and the nail winding head 5 , it is possible to guide the wire 8 parallel to the surface of each tooth 3 for placement so that the tooth 3 can be wound with the wire 8 . A winding machine (1) comprising at least one retaining finger (9) capable of positioning the wire in a groove (10) independently of the nail winding head (5) for determining the target location of the wire in .

Coil forming system and coil forming method

Rotating electric machine

Coil molding system and coil molding method

本发明涉及线圈成型系统以及线圈成型方法，线圈成型系统(100)具备对线圈导体施加载荷的载荷施加机构(200)、计测线圈导体的形状的计测装置(120)以及接收来自计测装置的输出而向载荷施加机构输出指令信号的运算控制装置(110)。载荷施加机构具备约束线圈导体的约束机构(210)、对线圈导体静态地施加弯曲载荷的弯曲机构(230)以及对线圈导体施加冲击载荷的锤击机构(240)。运算控制装置具有形状加工顺序读入部(111)、形状加工顺序存储部(112)、依次读出加工目标值并输出的目标值输出部(114)、输出偏差信号的减法部(115)、以及向载荷施加机构(200)输出指令信号的驱动控制部(116)。

Method and apparatus for producing a winding for electrical machines

The invention relates to an electrical machine having a stator winding, its manufacturing method and manufacturing apparatus, wherein the winding is manufactured with a predetermined number of coils on automated winding machines and is then embossed in the region of the longitudinal sides of the coils such that the longitudinal sides ( 17 b ), which have a plurality of conductors, of the coils ( 17 ), in terms of their cross section, are pressed and deformed into the subsequent slot shape. In order to achieve an extent of the coil conductors ( 18 ) without any intersections in the region of the longitudinal sides ( 17 b ) of the coils, the invention proposes first inserting the coils ( 17 ) in a preliminary embossing station ( 25 ) with their longitudinal sides into embossing chambers ( 23 ) of an embossing die ( 20 ), whose width corresponds to the width of at least two adjacent conductors, wherein the embossing chambers are then closed by an embossing stamp ( 26 ) to such an extent that, in the process, the conductors are aligned parallel to one another without any deformation of the cross section, before they are embossed into the final slot shape in a subsequent embossing station.

Rotating electric machine stator with multi-phase coil having phase winding coil end portions with different oblique angles

A stator includes a multi-phase stator coil comprised of phase windings. Each of the phase windings is formed of a continuous electric conductor and includes in-slot portions and coil end portions. Each of the in-slot portions is received in one of slots of a stator core. Each of the coil end portions is located outside the slots so as to connect one adjacent pair of the in-slot portions. Each of the coil end portions includes at least one oblique part that extends obliquely at an oblique angle with respect to either an axial direction or a circumferential direction of the stator core. The oblique angles of the oblique parts of the coil end portions in at least one of the phase windings of the stator coil are set to be different from the oblique angles of the oblique parts of the coil end portions in the other phase windings.

Manufacturing method of armature and armature

【課題】コイルの占積率を向上させつつも大型化を抑制できる電機子の製造方法及び電機子を提供する。【解決手段】電機子の製造方法は、複数のスロット２１が形成された鉄心としてのステータコア２０と、スロット２１に組付けられたステータコイル３０とを備えるステータの製造方法である。この製造方法は、ステータコイル３０を構成する導体４０をスロット２１内において押圧して塑性変形させるプレス工程と、導体４０においてスロット２１の外部に位置する突出部５５を曲げ変形させる曲げ工程とを備え、プレス工程では、導体４０を押圧してステータコア２０の軸方向に延伸させることで、導体４０において押圧していない部分である外置部５１よりも断面積の小さい小断面部５２を突出部５５に形成し、曲げ工程では、小断面部５２を曲げ変形させることで突出部５５を曲げ変形させる。【選択図】図１４

Stator manufacturing apparatus and stator manufacturing method

스테이터의 제조 장치(20)는, 스테이터 코어(10) 내에 삽입 가능하고, 복수의 보유 지지 홈(23)이 외주에 형성되어, 소정 폭 떨어진 2개의 보유 지지 홈(23)에 스테이터 코일(16)의 한 쌍의 변부(16a, 16b)를 개재 장착시키도록 구성되는 삽입 관통 지그(21)와, 단부를 향할수록 폭이 좁아지는 복수의 판 형상의 푸셔(33)가 복수의 보유 지지 홈(23)의 위치에 따라서 가압체(32) 상에 배치된 가압 지그(30)를 구비한다. 가압 지그(30)는 각 보유 지지 홈(23)에 선단부로부터 삽입하여, 해당 보유 지지 홈(23)에 삽입된 스테이터 코일(16)의 한 쌍의 변부(16a, 16b)를 직경 방향 외측으로 압출하고, 대응하는 슬롯(12)에 삽입하도록 구성된다. 삽입 관통 지그(21)의 외주에는, 한 쌍의 변부(16a, 16b)를 파지하는 파지구(17)를 사용해서 스테이터 코일(16)을 개재 장착시킬 때에, 파지구(17)가 보유 지지 홈(23)으로 진입 가능한 오목 홈(24)이 형성된다. The stator manufacturing apparatus 20 can be inserted into the stator core 10 and has a plurality of holding grooves 23 formed on the outer periphery thereof. The stator coil 16 is inserted into two holding grooves 23, And a plurality of plate-like pushers 33 whose widths become narrower toward the end portions are formed in the plurality of holding grooves 23 (23a, 23b) And a pressing jig 30 disposed on the pressing body 32 in accordance with the position of the pressing jig 30. The pressurizing jig 30 is inserted into each of the holding grooves 23 from the front end and the pair of side portions 16a and 16b of the stator coil 16 inserted into the holding groove 23 are extruded outward in the radial direction And inserted into the corresponding slot 12. When the stator coil 16 is mounted on the outer periphery of the insertion through-hole jig 21 by using the waveguide 17 holding the pair of side edges 16a and 16b, A concave groove 24 is formed which can enter into the groove 23.

Stator and stator manufacturing method

このステータコアでは、同芯巻コイルのスロット収容部の軸方向端部の外周面と、外周面に対向するティースとのステータコアの周方向の間隔が、軸方向端部の内周面と、内周面に対向するティースとの、ステータコアの周方向の間隔よりも大きくなる。 In this stator core, the circumferential interval of the stator core between the outer peripheral surface of the axial end portion of the slot accommodating portion of the concentric coil and the teeth facing the outer peripheral surface is the inner peripheral surface of the axial end portion and the inner peripheral surface. The distance between the teeth facing the surface and the circumferential direction of the stator core is larger.

A kind of horizontal overhead tensioning device of motor rotor conducting bar

本发明公开一种电机转子导条卧式顶置涨紧装置，包括机身底座、设置于机身底座的表面两侧位置处并用于水平支撑及周向旋转转子工件的支撑旋转机构、设置于机身底座表面上并用于驱动支撑旋转机构带动转子工件沿其轴向方向往复运动的轴向运动机构，以及架设于机身底座上并位于转子工件的支撑位置上方、用于与转子工件上的各根导条紧抵以通过往复滚压使其涨紧在铁芯沟槽内的滚压机构。本发明通过支撑旋转机构对转子工件形成水平支撑和周向旋转驱动，利用轴向运动机构使转子工件与滚压机构形成相对往复运动，使得滚压机构对各根导条进行逐根滚压和涨紧，提高电机转子导条的涨紧效率，保证导条的涨紧程度均匀一致及涨紧形变均匀连续，消除了安全隐患。

PRESSING DEVICE FOR COMPRESSING WRAPPING ELEMENTS IN SLOTS OF ELECTRICAL MACHINES

Motor and method for manufacturing motor

A motor unit is provided with: a stator which has a coil formed by a winding, which has an insulation coating, being wound around the surface of an electrically conductive member; a rotor which receives the rotating magnetic field generated by the stator and rotates; and a center piece that supports the stator, and also has formed a center piece-side winding insertion hole through which the winding is inserted. The motor unit is also provided with: a circuit device for controlling electrification to the winding, the device having a connection part arranged on the center piece, on the side opposite to that on which the stator is fixed, by which the winding that passed through the center piece-side winding insertion hole is connected; and a potting part formed using a potting material, for plugging the gaps formed between the center piece-side winding insertion hole and the winding, with one part in a state adhered to the winding coating.

Stator manufacturing apparatus and stator manufacturing method

A stator manufacturing apparatus includes an insertion tool inserted into a stator core, the insertion tool having a plurality of holding grooves formed on an outer periphery, the insertion tool being configured such that a pair of side portions of a stator coil are disposed in two of the holding grooves separated by a predetermined width; and a pressing tool having a plurality of plate-like pushers narrowed toward tips arranged on a pressing body in correspondence with the positions of the plurality of holding grooves of the insertion tool. The pressing tool is configured to push the pairs of side portions of the stator coils inserted in the holding grooves radially outwardly and insert the side portions into the corresponding slots. A recessed groove enabling grippers to be inserted when the stator coil is disposed using the grippers for gripping the pair of side portions is formed on the outer periphery of the insertion tool.