Узел соединения ряда расположенных внахлестку проводов

STATOR WITH WAFER

STRUCTURE OF COIL FOR ELECTRICAL MACHINE AS WELL AS PROCEDURE FOR THE PRODUCTION THE SAME

STATOR OF AN ELECTRIC MOTOR WITH COIL INTERCONNECTING ARRANGEMENT

STATOR FOR ELECTRIC MOTORS WITH COIL INTERCONNECTING ARRANGEMENT

DEVICE FOR CHANGING ELECTRICALLY INTO MECHANICAL ENERGY AND/OR IN REVERSE AS WELL AS A PROCEDURE FOR MANUFACTURING SUCH A DEVICE

Axial field electric machine

ELECTRIC ROTATING MACHINE AND METHOD OF CONNECTING FEEDING LEAD WIRES THERETO

An object of the present invention is to provide an electric rotating machine and a method of connecting feeding lead wires thereto, which can increase the resistance to centrifugal forces of the lead wire without controlling the hardness of the lead wire by post-processing such as cold pressing and suppress plastic deformation of the joint between the lead wire and the joint conductor. To materialize the above object, the feeding lead wire in accordance with the present invention comprises a first part connected to a joint conductor having a first thickness, a second part having a second thickness that is thinner than said first thickness, and a third part that is formed between said first and second parts and has a thickness changing from said first thickness to said second thickness. The first part of the feeding lead wire is welded to the joint conductor by electron beams or brazed to the joint conductor while the feeding lead wire is being cooled.

PRE-FORMED COIL, WINDING STRUCTURE, AND STATOR FOR A GENERATOR OF A WIND TURBINE AND METHOD FOR PRODUCING A STATOR

The invention relates to a pre-formed coil (10) of a stator (132) of a generator (130) of a gearless wind turbine (100). The pre-formed coil (10) comprises an electrical conductor (26) with a first and a second connection (18, 20). The connections (18, 20) are each used for electrically connecting to another pre-formed coil (10). For this purpose, the connections (18, 20) each comprise a thread in order to establish the electrical connections by means of screw connections. The invention further relates to a winding structure and a stator (132) comprising the pre-formed coil (10) and a method for producing the stator (132).

Wickelkopfhalterung für eine Statorwicklung einer dynamoelektrischen Maschine

WICKELKOPFABSTUETZVORRICHTUNG FUER DIE STAENDERWICKLUNG EINER ELEKTRISCHEN MASCHINE, INSBESONDERE TURBOGENERATORS.

Device for axial stretching of a fixed winding of an electrical machine.

Vorrichtung zum axialen Spannen einer Wicklung eines Stators, insbesondere eines Generatorstators einer Kraftwerksanlage, wobei die Wicklung mehrere Wicklungsstäbe aufweist, die zumindest an einer axialen Stirnseite (3) eines Kerns (2) des Stators mit ihren axial aus dem Kern (2) des Stators herausgeführten Enden einen sich trichterfförmig erweiternden Wickelkopf bilden. Die Vorrichtung weist mehrere Wicklungsstützen (5) auf, die an der Stirnseite des Kerns bezüglich des Wickelkopfs umfangsmässig verteilt angeordnet sind und sich axial an der Stirnseite (3) des Kerns (2) und im Wesentlichen senkrecht am Wickelkopf abstützen. Zum axialen Spannen der Wicklung sind die Wicklungsstützen (5) an einer Stirnseite (3) eines Kerns (2) über zumindest eine axial wirkende Druckfedereinrichtung (6) axial abgestützt, wobei eine Nachstellvorrichtung (7) mit einer axial verstellbaren Auflagefläche (8) für die Druckfedereinrichtung vorgesehen ist.

Integrated distribution apparatus and method for processing bus bar

Motor

The present invention provides a motor that comprises: a stator including multiple motor coils; multiple bus rings configured to distribute currents of different phases to the motor coils; and a ring-shaped bus ring holder in which multiple holding grooves configured to hold the respective bus rings are formed, wherein: each of the motor coils includes an insulator around which a wound wire is wound; the insulator includes an outer flange formed at an outer side of the wound wire in a radial direction of the motor and extending in an axial direction of the motor; and the bus ring holder is arranged at an outer side of the outer flange in the radial direction of the motor, and contiguous to the outer flange.

Stator and motor

A central power distributing member for a brushless motor, a brushless motor provided therewith and a method of assembling it

ELECTRIC DEVICE OF POWER STEERING

ELECTRICAL MACHINE STATOR

Moteur électrique à commutation électronique à structure améliorée.

Ce moteur est constitué, entre autres, d'un carter avec un corps, des flasques (12) avec au moins un palier, d'un arbre (20), d'un induit bobiné (30), de moyens de commutation avec un connecteur constitué d'un support isolant (410) porté par l'induit (30) et de contacteurs (411) munis de cosses (412) pour recevoir les bouts (321) des fils (320) des bobinages (32) et de plots (413) destinés à venir au contact chacun de contre-plots d'un circuit imprimé et avec un module de commande fait d'un substrat qui porte ce circuit imprimé avec des composants y compris ceux de puissance de circuits électroniques et qui est en contact intime contre la face intérieure d'un flasque (12). Ce support isolant (410) est monté sur cet arbre (20), ce support isolant (410) et cet arbre (20) sont munis d'un détrompeur (60) qui n'autorise qu'une seule orientation en rotation tout en permettant un coulissement axial relatif de ces supports isolant (410) et arbre (20) et ce coulissement axial relatif est possible ...

ELECTRICAL CONNECTOR TO BE ELECTRICALLY CONNECTED TO A SOURCE OF ELECTRICAL POWER

L'invention a pour objet un connecteur électrique (10) destiné à être connecté électriquement à une source d'énergie électrique, le connecteur électrique (10) comprenant : - au moins une première trace de puissance (12a) destinée à être connectée électriquement à un pôle de polarité positive (B+) de la source d'énergie électrique, et - au moins une deuxième trace de puissance (12b) destinée à être connectée électriquement à un pôle de polarité négative (B-) de la source d'énergie électrique, dans lequel les au moins une première et deuxième traces de puissance (12a, 12b) sont surmoulées au moins en partie de matériau isolant électriquement, et dans lequel les au moins une première et deuxième traces de puissance (12a, 12b) sont destinées à être connectées électriquement à une unité électronique (206), notamment une carte électronique, notamment destinée à être intégrée dans une machine électrique, de sorte à alimenter en énergie électrique l'unité électronique (206).

ROTATING ELECTRICAL MACHINE PROVIDED WITH AN INTERCONNECTOR PYROTECHNICAL MIXTURES

Winding for rotary electrical machine and stator using the winding, uses windings with tapered rectangular cross section for easier fitting into stator slots

L'invention est relative à une bobine pour machine électrique tournante présentant deux grandes faces intérieures opposées (4a, 4b) réunies par deux petites faces intérieures opposées (5a 5b). Les petites faces intérieures (5a, 5b) sont non parallèles.

MIXED COIL INSULATING AND ELECTRICAL MACHINE ELEMENT THEREFOR

L'invention porte sur un isolant (20) de bobine destiné à être positionné autour d'une dent (14) d'un stator ou d'un rotor d'une machine électrique. Conformément à l'invention, l'isolant (20) est formé d'une part par un corps (23) de l'isolant comportant un cadre (24) en matériau rigide ayant deux fenêtres latérales (243, 244); et d'autre part par un élément (25) rapporté en matériau souple moins épais et meilleur conducteur de chaleur que le matériau du corps (23). Cet élément (25) comporte deux parois latérales (253, 254) destinées à être positionnées en regard des fenêtres latérales (243, 244) du cadre (24). Le corps (23) comporte des fentes (27) pour l'insertion de l'élément (25) en matériau souple.

COIL INSULATING PROVIDED WITH GROOVES TO FACILITATE THE IMPREGNATION OF THE COIL AND ELECTRICAL MACHINE ELEMENT THEREOF

ELECTRICAL CONNECTOR ASSEMBLY FOR BRUSHLESS MOTOR

Ensemble de connexion électrique pour un moteur électromagnétique sans balai comprenant un ensemble statorique bobiné à P phases électriques et X bobines par phase, chaque bobine présentant à proximité un corps muni de deux encoches de connexion, caractérisé en ce qu'il est constitué par un premier sous-ensemble formé de W pistes découpées dans une feuille conductrice, lesdites pistes formant W pistes de sortie coplanaires, W étant un nombre entier compris entre P et P+1, chacune desdites W pistes se terminant par au moins une extrémité repliée perpendiculairement au plan desdites pistes, la forme de ladite extrémité repliées étant complémentaire à la forme de l'encoche de connexion, lesdites pistes étant réunies par une matière plastique isolante.

ELECTRICAL MOTOR PROVIDED With a PLATE OF CONNECTION HAS HOOKS

Moteur électrique comprenant : - un stator comprenant des dents, espacées angulairement autour d'un axe (A) du stator, - au moins deux ensembles de bobine (8), chaque ensemble de bobine (8) comprenant au moins une bobine (10) formée d'au moins un fil électrique enroulé autour d'une dent, - une plaque de connexion (12) connectant électriquement le ou chaque ensemble de bobine (10) à une source d'alimentation électrique. Une extrémité de chaque ensemble de bobine (10) est reliée à une extrémité d'un autre ensemble de bobine (10) par un pont de connexion (37), la plaque de connexion (12) comprenant un ensemble de pistes de connexion comprenant au moins une piste de phase, connectée électriquement à une phase de la source d'alimentation électrique, la ou chaque piste de phase étant munie d'un crochet de connexion électrique de phase, connecté électriquement à un premier pont de connexion (37) correspondant de manière à connecter électriquement ce premier pont de connexion (37) à la phase correspondante ...

PROCEEDED OF ASSEMBLY AND UNIT FORMING ELECTRIC CONNECTOR FOR A TOOL HAS DRIVING

Connecteur électrique pour outil à moteur (14) et procédé de montage de ce dernier. Bornier (10) définissant des points de connexion pour les composants du moteur (26). Le bornier (10) est positionné dans le logement de moteur (18) et est moulé conjointement avec ce dernier ou peut s'encliqueter dans des connecteurs formés dans le logement (18). Le bornier (10) et le logement (18) sont estampés au niveau de certains points pour réaliser le nombre nécessaire d'éléments de contact électriquement séparés (82) pour relier les composants du moteur (26). Les bornes femelles des composants du moteur (26) sont reliées aux éléments de contact électriquement séparés (82) pour définir un circuit électrique complet pour le moteur (26). Des éléments non conducteurs sont positionnés (112, 114, 116, 118) entre des éléments adjacents des éléments de contact électriquement séparés (82).

A ROTATING ELECTRIC MACHINE INCLUDING AN INTERCONNECTOR NEUTRAL POINT CONNECTING INTEGRATED

L'invention porte principalement sur une machine électrique tournante (10) caractérisée en ce qu'elle comporte: - un interconnecteur (51) assurant une connexion électrique des sorties de neutre (49) entre elles, et une connexion électrique de chaque sortie de phase (48) avec une borne (52), - l'interconnecteur (51) comportant une pluralité de pistes conductrices de phase (62) et au moins une piste conductrice de neutre (63), - les pistes conductrices de phase (62) étant destinées à relier électriquement une sortie de phase (48) avec une borne (52), - la piste conductrice de neutre (63) étant destinée à relier électriquement la pluralité de sorties de neutre (49) entre elles.

CONNECTION SYSTEM FOR ELECTRICAL MACHINE.

ROTATING ELECTRICAL MACHINE PROVIDED WITH AN INTERCONNECTOR WITH IMPROVED CONFIGURATION

L'invention porte sur un stator (11) de machine électrique tournante notamment pour véhicule automobile, ledit stator (11) comportant: - un corps de stator (12) comportant un axe (X) et une pluralité de dents (14) réparties angulairement autour dudit axe (X), ledit corps de stator (12) formant une périphérie externe et une périphérie interne autour dudit axe (X), - des bobines (19) montées chacune autour d'une dent (14), chacune des bobines (19) étant formée par au moins un fil enroulé autour de ladite dent (14) correspondante, - chaque fil de bobine comprenant une entrée (211) et une sortie (212) correspondant chacune à une extrémité dudit fil (21), - un interconnecteur (22) comprenant un ensemble de traces (26), lesdites traces (26) étant connectées électriquement aux entrées (211) et sorties (212) des bobines (19), ledit interconnecteur (22) étant monté entre la périphérie interne et la périphérie externe dudit corps de stator (12), caractérisé en ce que chaque bobine (19) ayant une ...

WIRING PLATE STATOR ELECTRIC MACHINE AND METHOD OF MAKING SAME

Plaque de circuit de stator (10) d'une machine électrique et son procédé de fabrication. La plaque (52) est une pièce en matière plastique avec un anneau fermé (61) muni en une seule pièce de trois éléments de fixation (63) s'étendant dans la direction axiale et dans lesquelles il y a des broches de branchement axiales (54), en métal. Les broches (54) sont réalisées en une seule pièce avec les éléments conducteurs qui sont reliés électriquement directement aux câbles de liaison de l'enroulement électrique.

ELECTRICAL MOTOR INCLUDING/UNDERSTANDING A FITTING OF CONNECTION

ELECTRICAL MOTOR

ELECTRICAL MOTOR INCLUDING/UNDERSTANDING A FITTING OF CONNECTION

ELECTRICAL MOTOR

ELECTRICAL MOTOR

ELECTRICAL MOTOR INCLUDING/UNDERSTANDING A FITTING OF CONNECTION

ELECTRICAL MOTOR

ELECTRICAL MOTOR INCLUDING/UNDERSTANDING A FITTING OF CONNECTION

ROTARY ELECTRIC MACHINE

모터

... 본 발명의 하나의 양태의 모터는 샤프트를 갖는 로터와, 로터와 간극을 두고서 지름방향으로 대향하고 복수의 코일을 갖는 스테이터와, 코일과 전기적으로 접속되는 버스를 구비한다. 코일은 도전선의 단부인 코일단을 갖는다. 버스바는 서로 다른 부재인 제 1 도전 부재 및 제 2 도전 부재를 갖는다. 제 1 도전 부재는 코일단과 전기적으로 접속되는 제 1 코일단 접속부를 갖는다. 제 2 도전 부재는 코일단과 전기적으로 접속되는 제 2 코일단 접속부를 갖는다. 복수의 코일단은 제 1 코일단 접속부 및 제 2 코일단 접속부에 끼워져, 제 1 코일단 접속부와 제 2 코일단 접속부를 전기적으로 도통한다.

ROTOR FOR A SYNCHRONOUS GENERATOR

MOTOR

The present invention relates to a motor which includes: a stator including a slot formed on an outer surface in an axial direction, and around which a coil is wound; a bus bar including a protrusion unit inserted into the slot, and disposed on the stator to be electrically connected to the coil; a rotor disposed in an inner side of the stator; and a shaft coupled to the rotor. The stator includes a first coupling unit formed on a side wall of the slot, and the protrusion unit includes a second coupling unit mutually coupled to the first coupling unit to be confined in the axial direction, thereby providing advantageous effect of effectively preventing the occurrence of noise and vibration in the motor. COPYRIGHT KIPO 2016 ...

AC GENERATOR

PURPOSE: To obtain an AC generator, capable of improving productivity of a stator and preventing short circuit accidents, in a coil end group by constituting stator windings of respective phases of a plurality of windings constituted by winding long-sized strands. CONSTITUTION: Polyphase stator windings 16 are constituted by connecting first to fourth windings 31 to 34 in series. First to fourth windings 31 to 34 are constituted by winding in wave form the respective one strands 30, so as to alternately adopt inner layers and outer layers in the slit depth direction in a slit 15a at each six slits. The turns of the strands 30 folded back at the end face sides of the core 15 are aligned in the circumferential direction to constitute the coil end group. © KIPO & JPO 2002 ...

METHOD FOR MANUFACTURING BUSBAR UNIT

This method for manufacturing a busbar unit includes the following steps: a primary setting step in which a subset of busbars are arranged inside a first mold; a primary molding step in which a primary-molded member is formed by injecting an insulating resin material into the first mold to perform insert-molding; a secondary setting step in which the primary-molded member and the remaining busbars are arranged inside a second mold; and a secondary molding step in which the busbar unit is formed by injecting an insulating resin material into the second mold to perform insert-molding. At the secondary setting step, the primary-molded member and the remaining busbars are arranged inside the second mold such that the outer periphery and/or inner periphery of the remaining busbars abut against a stepped part of the primary-molded member.

METHOD OF POSITIONING A SENSOR WITHIN A MOTOR ASSEMBLY

A method for positioning a temperature sensor in association with a heat conductive surface in a lead frame located at an end of a dynamoelectric machine. The sensor is supported to the lead frame by lead wires to position the sensor at a first position spaced from an outwardly facing surface defined on the outer side of the lead frame. A cover member is moved to an attachment location in engagement with an outer side of the lead frame, wherein at least a final portion of the movement of the cover member includes positioning an engagement surface of the cover member into engagement with the sensor and causing the sensor to move closer to the outwardly facing surface to a location defining a second position for the sensor.

STATOR FOR ROTARY ELECTRIC MACHINE

A bus bar extended end portion (30) of a bus bar that projects from a main body (28) of a bus bar module (26) and a coil conductor extended end portion (20) extend in the same direction, and are disposed adjacent to each other. The respective distal ends of the coil conductor extended end portion (20) and the bus bar extended end portion (30) are welded to each other. The coil conductor extended end portion (20) and the bus bar extended end portion (30) are also fixed to each other at a position away from the weld.

WINDING STRUCTURE FOR AN ELECTRICAL MACHINE AND METHOD FOR PRODUCING THE SAME

The invention relates to a winding structure for an electrical machine comprising a multiphase winding wherein a plurality of coils or groups of coils (50, 52; 54, 56) connected in parallel are connected to a continuous conductor rail (40, 42, 44, 46). The coil ends are thereby linked with the electrical power feed directly and without any intermediate elements. Preferably, the conductor rails (40, 42, 44, 46) are disposed on one or on both faces of the stator of the electrical machine outside the groove, in the area of the stator back. The invention further relates to a corresponding method for producing a winding structure of a multiphase winding wherein a plurality of coils or groups of coils (50, 52; 54, 56) of the winding are connected in parallel and are connected to a continuous conductor rail (40, 42, 44, 46).

Electrical machine and electrical system

An electrical machine with a stator component and a rotor component, wherein the stator component carries the winding of the electrical machine, which has a number of coils. An electronic power unit is provided to control the electrical machine. To obtain an electrical machine, which has a long service life but does not occupy much space, the stator component has two or more separate windings to form two or more electrical sub-machines. The electrical machine can be used to advantage as a starter-generator in commercial vehicles and busses. An improved electrical system is also described.

Phase-displaced multiple polyphase dynamoelectric machine with wave windings

Method for securing a generator end winding system

In an electrodynamic apparatus, a method of securing a coil basket of the type that includes a plurality of top coils and a plurality of bottom coils to a bracing assembly that includes a plurality of support braces includes steps of banding the top coil, the bottom coil and the support brace to each other; positioning a number of inflatable bladders, respectively, between the top coils and the bottom coils in the location of the bandings; and simultaneously inflating the bladders to a predetermined pressure that is sufficient to tension the bandings to a predetermined force, whereby forces that are transmitted to the coil basket from such inflation are imparted evenly throughout the coil basket and at the same time. An improved end winding region support system is also described.

Stator arrangement of alternator for vehicle

In a stator of an alternator for a vehicle including a stator core and a multi-phase stator winding, the stator winding is composed of a plurality of conductor segments having a pair of conductor members connected with one another to form a first coil-end group disposed on one axial end of the stator core so that first U-turn portions of the conductor segments are surrounded by second U-turn portions of the conductor segments and a second coil-end group disposed on the other axial end of said stator core so that ends of said conductor segments are connected to form lap windings.

ARMATURE

An armature which radially faces a magnetic field-producing unit equipped with a magnet unit having a plurality of magnetic poles includes a housing, an armature core, a multi-phase armature winding, and bus bars. The housing includes a cylinder and a disc-shaped end plate placed in contact with one of axially opposed ends of the cylinder. The armature core is disposed on a portion of the cylinder which radially faces the magnet unit. The armature winding is disposed on a portion of the armature core which radially faces the magnet unit. The bus bars electrically connect phase windings of the armature winding together. The armature also includes a bus bar module which is of a circular or C-shape extending along the circumference of the armature core. The bus bar module is secured to the cylinder, the end plate, or one of axially opposed ends of the armature core.

STATOR FOR AN ELECTRICAL MACHINE, WIND TURBINE AND METHOD FOR MANUFACTURING A STATOR

Provided is a stator for an electrical machine, in particular a generator of a wind turbine, wherein the cylindrical stator includes multiple similar stator segments, each stator segment constituting a fraction of the circumference of the stator and having at least one coil element and one pre-installed bus bar segment per phase provided to or by the electrical machine, wherein each bus bar segment is electrically connected to a coil element of the respective phase, wherein at least two circumferentially adjacent stator segments form a section and multiple subsets of an even number of radially opposing sections are respectively assigned to a connector at a respective connection position along the circumference of the stator, wherein in each section, segmented bus bars for each phase are provided by connecting bus bar segments of adjacent stator segments.

ELECTRIC MOTOR CONTACT ADAPTER

A housing may include a first end that may define a first aperture. The stator may be disposed in the housing and include a bus bar that may extend towards the first aperture. The contact adapter may be fixed to the first end of the housing and may include a base member and a contact member. The base member may define a contact aperture and may include a body and a collar that may extend from the body. The body and the collar may define a pocket and the contact aperture may be disposed in the pocket. The contact member may include a first end, a second end, and a medial portion extending therebetween. The first end may extend from the body into the pocket and may contact the bus bar. The second end may extend from the base member and may be configured to contact an electrical connector.

ELECTRIC ACTUATOR

An electric actuator includes: a motor unit; a speed reducer; a circuit board; a busbar; and a housing. The housing has a motor case and a circuit board case attached to one side of the motor case in an axial direction. The circuit board case has a bottom wall blocking an opening of the motor case. The bottom wall has a bottom wall through-hole that penetrates through the bottom wall in the axial direction on an outer side beyond the speed reducer in the radial direction. A busbar has a busbar main body section, a coil line connecting section to which a coil line extending on one side in the axial direction from a coil is connected, and a connection terminal section. The connection terminal section extends to one side of the bottom wall in the axial direction via the bottom wall through-hole and is connected to the circuit board.

Insulator and motor include same

The present invention provides an insulator which comprises: an inner guide; an outer guide; and a body connecting the inner guide and the outer guide, and having a coil wound thereon, wherein a rotatable wing is connected to an outer surface of the outer guide.

MOTOR UNIT AND VEHICLE EQUIPPED THEREWITH

A motor unit according to an exemplary embodiment of the present invention may include a bus bar receiving a current from a power supply, a wire that is wound along the bus bar, and a connecting portion that is extended from the bus bar to be electrically connected to one end portion of the wire, wherein the connecting portion has a circular bent portion that is formed along the outer circumference of the wire. Accordingly, the connecting portion of the bus bar includes a bent portion, and one end portion of the wire wound on the bus bar contacts the bent portion such that welding becomes easier and the welded portion is firm. Further, the connecting portion includes the first extension portion and the second extension portion that are at an acute angle such that the wire is not separated from the connecting portion and the welding process becomes easier.

Rotating electric machine

A rotating electric machine includes a rotor and a stator. The stator includes a stator core and a stator coil. The stator coil includes three first windings, three second windings and three switch units. The first windings are Δ-connected to define three nodes therebetween. The second windings are arranged so as to be respectively connectable between the nodes and three phase terminals of the stator coil. The switch units respectively switch the connections between the nodes and the phase terminals between a direct connection state and an indirect connection state. In the direct connection state, the nodes are respectively directly connected with the phase terminals. In the indirect connection state, the nodes are respectively connected with the phase terminals via the second windings. The first and second windings are mounted on the stator core so that the first windings are located closer than the second windings to the rotor.

Terminal assembly of a driving motor

A terminal assembly of a driving motor includes: a support ring surrounding a stator core to which bobbins are coupled, the bobbins being configured to allow stator coils to be wound thereon; a first sub-assembly disposed on the support ring to surround the bobbins; and a second sub-assembly connected to the first sub-assembly, the second sub-assembly including fixing portions inserted into coupling recesses formed in the bobbins. Three-phase bus bars connected to three-phase lead wires of the stator coils are inserted into the first sub-assembly and an N-phase bus bar connected to N-phase lead wires of the stator coils is inserted into the second sub-assembly.

Busbar unit for motor

A busbar unit that is electrically connected to a motor, the motor including a coil would around a stator, the busbar unit including: a terminal including a body, and a terminal portion protruding from an inner circumferential surface of the body; and a holder including a holder body configured to support the body, and a terminal holder portion disposed on an inner circumferential surface of the holder body and configured to electrically connect the terminal portion and the coil.

Rotating electric machine, electric power conversion device and method of manufacturing rotating electric machine

A rotating electric machine includes a field that includes a magnet unit having a plurality of magnetic poles, an armature including a multi-phase armature coil, and an electric power conversion device that is configured to perform electric power conversion and supply electric power resulting from the electric power conversion to the armature. Moreover, one of the field and the armature is configured as a rotor while the other is configured as a stator. The electric power conversion device includes at least one band-shaped busbar through which electric current flows during the electric power conversion. The at least one busbar has a cross section where a thickness in a lateral direction of the cross section at one end of the cross section in a longitudinal direction of the cross section is smaller than a thickness in the lateral direction at the other end of the cross section in the longitudinal direction.

Motor

A motor includes a rotor with a shaft disposed along a central axis, a stator including coils and facing the rotor via a gap in a radial direction, bus-bars electrically connected to the stator, and bus-bar holders on one side in the axial direction of the stator that are distinct members separated from each other. The coils define coil groups having power systems different from each other. Each of the bus-bar holders holds at least one of the bus-bars different from each other. In each of the bus-bar holders, at least one of the bus-bars held on the bus-bar holder includes a connection terminal electrically connected to an electrical component.

Motor

A motor includes a drive source assembly including a first wiring, a rotation detector including a second wiring, and a motor housing. The motor housing includes a first motor housing that accommodates at least a portion of the drive source assembly, and a second motor housing that accommodates at least a portion of the rotation detector. The first motor housing includes a first penetration portion that radially penetrates the circumferential wall portion of the first motor housing and is open to one axial side, and the second motor housing includes a second penetration portion that radially penetrates the circumferential wall portion of the second motor housing and is open to another axial side. The first wiring is lead out to the outside of the first motor housing via the first penetration portion, and the second wiring is lead out to the outside of the second motor housing via the second penetration portion.

Electrical machine, in particular a DC motor

Elektrische Maschine, insbesondere Gleichstrommotor, mit einem Stator, der Wicklungen trägt, welche zur Ansteuerung der Maschine miteinander verschaltet sind, wobei jede Phase der Maschine wenigstens eine Wicklung umfaßt, und mit einer Anschlußvorrichtung zur Verschaltung der Wicklungen, wobei die Anschlußvorrichtung mehrere Anschlußringe aufweist, die an einem Stirnende des Stators koaxial zu diesem angeordnet sind, wobei die Anzahl der Anschlußringe wenigstens so groß ist wie die Anzahl der Phasen, so daß jede Wicklung einer Phase mit einem zugeordneten Anschlußring verbunden ist.

Alternator for vehicle

Phase-displaced multiple polyphase dynamoelectric machine with wave windings

An armature of an AC generator includes a plurality of polyphase windings. Each of the polyphase windings is a wave winding passing about substantially the entire circumference of the armature. In one embodiment, four three-phase windings are wave wound in the armature. External connection to each of the phases and the neutral of each three-phase winding is made through four connector quadrants disposed in four parallel planes. Connection to the remaining nine phases and three neutrals are made through further connector quadrants sharing respective planes with the first-mentioned connector quadrants.

ARRANGEMENT, COMPRISING AN ELECTRIC MOTOR AND AN INVERTER

Arrangement, comprising an electric motor, housed in a motor casing (2, 10, 16), an inverter, housed in the motor casing (2, 10, 16) or in a separate inverter casing (17), busbars (1, 9, 15), electrically connecting the electric motor and the inverter, through openings (3, 11, 19) in the motor casing (2, 10, 16) or the inverter casing, through which the busbars (1, 9, 15) extend, a sealing means (8, 20) for sealing a gap (21) between the busbars (1, 9, 15) and the through openings (3, 11, 19), wherein the motor casing (2, 10, 16) has a dedicated surface in the area of the through openings (3, 11, 19), on which the sealing means (8, 20) is applied.

MOTOR

PROBLEM TO BE SOLVED: To prevent difficulty in disposing, on an insulator, a wiring member held in contact with the outside of a wall portion of the insulator, by preventing the deformation of the wall portion of the insulator by being pressed by an intersecting portion of a winding starting portion and a winding finishing portion of the conductor of a coil. SOLUTION: An armature has an insulator component 51, and a wiring member is disposed in a wiring fixing groove 514a on the outside of an outer wall portion 513 of the insulator component 51. When a conductor is wound around the insulator component 51, a winding start portion and a winding finish portion of the conductor intersect with each other in the radial direction, forming an intersecting portion, and the winding starting portion is pressed towards the outer wall portion 513 by the winding finish portion. The outer wall portion 513 is provided with a conductor escape 5131 which is set separated away from an outside end portion ...

ИНТЕРФЕЙС ДЛЯ ПЕРЕДАЧИ ЭЛЕКТРИЧЕСКОЙ МОЩНОСТИ МОТОР-КОМПРЕССОРУ

Предоставляется интерфейс для передачи электрической мощности мотору мотор-компрессора. Интерфейс может включать в себя штепсельный патрон, имеющий первый конечный фрагмент, соединенный со статором мотора, и второй конечный фрагмент, определяющий отверстие, по меньшей мере, частично протягивающееся сквозь него. Интерфейс может также включать в себя штепсель, сконфигурированный, чтобы разъемным образом соединяться со штепсельным патроном. Штепсель может включать в себя жесткий токопроводящий стержень, имеющий первый конечный фрагмент, сконфигурированный, чтобы соединяться с пенетратором мотор-компрессора, и второй конечный фрагмент, сконфигурированный, чтобы, по меньшей мере, частично располагаться в отверстии штепсельного патрона и разъемным образом соединяться с ним. Жесткий, токопроводящий стержень может быть сконфигурирован, чтобы электрически соединять пенетратор со штепсельным патроном, а штепсельный патрон может быть сконфигурирован, чтобы передавать электрическую мощность статору ...

СТАТОР С КЛЕММНЫМ СОЕДИНИТЕЛЕМ

Wechselstromgenerator für Kraftfahrzeuge

Stator mit Pins und einer Schnittstelle für eine elektrische Maschine

Stator (1) für einen Elektromotor (), umfassend- eine Vielzahl von Pins (11, 12, 13, 14, 21, 22, 23, 24, 31, 32, 33, 34) die auf mindestens zwei konzentrischen Kreisen angeordnet sind;- eine Schnittstelle (10, 20, 30) mit mindestens einer Kontaktfläche (19, 29, 39), die mit zwei elektrisch leitenden Beinen (10a, 10b, 20a, 20b, 30a, 30b) verbunden ist und durch die Beine gestützt wird, wobei die Beine mit mindestens einem Pin auf verschiedenen konzentrischen Kreisen verbunden sind.

Elektrische Maschine, sowie Antriebseinrichtung für ein Kraftfahrzeug

Die vorliegende Erfindung betrifft eine elektrische Maschine, insbesondere Elektromotor, umfassend einen Stator (S) mit einem Wickelkopf (11), wobei der Wickelkopf {11) mit mindestens einem Phasenanschlusssteg (112, 112 a-b) bzw. Sternpunktanschlusssteg (112c) ausgestattet ist, wobei ein Anschlussmittel (13, 13a-c) zur elektrischen Verbindung des Phasenanschlusssteges (112, 112 a-b) bzw. Sternpunktanschlusssteges (112c) mit einer Stromquelle vorgesehen ist, wobei das Anschlussmittel (13, 13a-c) ein erstes Anschlussstück (131, 131 a-c) umfasst, welches mit dem Phasenanschlusssteg (112, 112 a-b) bzw. Sternpunktanschlusssteg verbunden ist und eine Gewindebohrung aufweist, wobei das Anschlussmittel ein zweites Anschlussstück umfasst, welches mit einer Bohrung ausgestattet ist, wobei das erste Anschlussstück (131, 131 a-c) mittels stoffschlüssiger Verbindung, insbesondere Schweißverbindung, mit dem jeweiligen Phasenanschlusssteg (112 bzw. 112a oder 112b) bzw. Sternpunktanschlusssteg (112c) verbunden ...

Rotierende elektrische Maschine des Axialspalttyps

Eine rotierende elektrische Maschine (100) des Axialspalttyps umfasst: einen Stator (110); eine Welle (101) mit einer Rotationsachse; zumindest einen Rotor (120) oder (130), der von dem Stator (110) beabstandet ist, um diesem gegenüberzuliegen, und der mit der Welle (101) drehbar um die Rotationsachse ist; eine Vielzahl von Ankerspulen (11), die an dem Stator (110) um die Welle (101) angeordnet sind; eine Vielzahl von Induktionsspulen (21) und eine Vielzahl von Erregerspulen (22), die an dem Rotor (120) oder (130) um die Welle (101) herum angeordnet sind; und einen Gleichrichter (29A) und (29B), der konfiguriert ist, einen Induktionsstrom, der von zumindest einer der Vielzahl der Induktionsspulen (21) erzeugt wurde, gleichzurichten und zumindest eine aus der Vielzahl der Erregerspulen (22) mit dem gleichgerichteten Induktionsstrom zu erregen, wobei die Vielzahl der Ankerspulen, die Vielzahl der Induktionsspulen und die Vielzahl der Erregerspulen Wicklungen mit Alpha-Wicklung um Kerne sind ...

Statorspule mit konzentrierter Wicklung für eine rotierende elektrische Maschine

Es ist eine erste Schichtwicklung (21) um die Oberfläche eines Zahnes (110) in einer Richtung gewickelt, die von einem proximalen Endabschnitt zu einem distalen Endabschnitt dieses Zahnes (110) voranschreitet. Eine zweite Schichtwicklung (22) ist auf der ersten Schichtwicklung (21) in einer Richtung gewickelt, die von dem distalen Endabschnitt zu dem proximalen Endabschnitt der Zahnwicklung (110) voranschreitet. Es erstrecken sich Anschlussdrähte (23, 24) in radialer Richtung von einem Wicklungsanfangs-Ende der ersten Schichtwicklung (21) und einem Wicklungsende-Ende der zweiten Schichtwicklung (22) nach außen hin. Die jeweiligen Zahnwicklungen (20) der gleichen Phase sind in Reihe geschaltet, um dadurch Dreiphasenwicklungen zu bilden. Es ist eine Überkreuzungs-Busstabgruppe (80) in einem Raum aufgenommen, der einen quadratischen Querschnitt besitzt, welcher durch einen Kernrücken (120) und ein Wicklungsende der Zahnwicklung (20) definiert ist.

I-Stift-Stator mit planarer Wicklungsverbindung

Stator für eine elektromagnetische Maschine, umfassend:mehrere Sammelschienen aus elektrisch leitfähigem Material, die sich jeweils parallel zueinander undzwischen einem ersten Ende und einem dem ersten Ende gegenüberliegenden zweiten Ende erstrecken;eine erste Leiterplatte, die an den mehreren Sammelschienen anliegt und eine auf einem ersten Substrat angeordnete erste elektrisch leitfähige Schicht aufweist, wobei die erste elektrisch leitfähige Schicht der ersten Leiterplatte mehrere erste Kontaktanschlüsse in physischer und elektrischer Kommunikation mit dem ersten Ende der Sammelschienen aufweist; undeinen ersten Kühlkörper, der an dem ersten Substrat der ersten Leiterplatte gegenüber der ersten elektrisch leitfähigen Schicht anliegt, wobei das erste Substrat zwischen der ersten elektrisch leitfähigen Schicht unddem ersten Kühlkörper angeordnet ist, wobei der erste Kühlkörper zum Entfernen von Wärme von der ersten Leiterplatte und von den Sammelschienen ausgelegt ist.

WICKELKOPFABSTUETZUNG FUER DIE STAENDERWICKLUNG ELEKTRISCHER MASCHINEN, INSBESONDERE TURBOGENERATOREN

Struktur zur Montage einer ringförmigen Temperatursensor-Anschlusseinheit für einen Antriebsmotor und Verfahren zur Montage des Temperatursensors

Es ist eine Struktur zur Montage eines Temperatursensors einer ringförmigen Anschlusseinheit für einen Antriebsmotor vorgesehen. Die Struktur weist einen Anschlusshalter mit einer Ringform, einen an dem Anschlusshalter befestigten Temperatursensor, mehrere Kerne, die auf einer Unterseite des Anschlusshalters radial angeordnet sind, einen in jeden der mehreren Kerne eingesetzten Spulenkörper; und eine um jeden der Spulenkörper gewickelte Statorspule. Der Temperatursensor tritt in vertikaler Richtung durch den Anschlusshalter hindurch und zwischen die Spulenkörper eingesetzt ist, um welche die Statorspulen gewickelt sind.

MOTOR UND ELEKTRISCHE SERVOLENKVORRICHTUNG

Dieser Motor ist versehen mit: einem Rotor; einem Stator, der eine Spule umfasst, die durch Wickeln eines Spulendrahts ausgebildet ist; ein Spulentragebauglied, in das der Spulendraht eingefügt ist; einem Lager, das eine Welle trägt; und einem Halter, der das Lager hält und ein Durchgangsloch zum Halten des Spulentragebauglieds aufweist. Ein Spulentragebauglied (60) umfasst: einen Basisabschnitt (61), der auf der oberen Oberfläche des Stators angeordnet ist; und einen Spulentrageabschnitt, der sich von dem Basisabschnitt (61) zu der oberen Seite in der Achsenrichtung erstreckt und von dem zumindest ein Teil in dem Durchgangsloch positioniert ist. Der Basisabschnitt (60) ist mit einem Zwischenraum dazwischen in den Stator eingepasst.

Stator für eine elektrische Maschine, sowie Verfahren zur Herstellung eines solchen

Stator (10) für eine elektrische Maschine (11), sowie Verfahren zum Herstellen eines solchen, mit einem ringförmigen Statorgrundkörper (14), der radiale Statorzähne (16) zur Aufnahme von elektrischen Spulen (18) aufweist, wobei an einer ersten Stirnseite (41) des Statorgrundkörpers (14) eine Isolierlamelle (22) angeordnet ist, die die aus Wickeldraht (20) gewickelten Spulen (18) gegenüber dem Statorgrundkörper (14) isoliert, dadurch gekennzeichnet, dass in der Isolierlamelle (22) Leiterstreifen (26) angeordnet sind, die elektrische, sich axial erstreckende Kontaktelemente (24) aufweisen, an die beim Wickeln der Spulen (18) der Wickeldraht (20) angelegt wird.

Verschaltete Stator-Anordnung eines Elektromotors, Verschaltungseinrichtung sowie Verwendung eines Flachsteckers darin

Verschaltungseinrichtung (2) für eine Stator-Anordnung (1) eines Elektromotors, welcher mittels einer, auf einer Leiterplatte (15) getragenen Steuerelektronik (14) steuerbar ist, wobei die Stator-Anordnung (1) ein Statorblechpaket (3) mit durch Statornuten (4) verlaufenden und auf Stirnseiten des Statorblechpaketes (3) jeweils einen Wickelkopf (5) bildenden Statorwicklungen (6) umfasst, welche durch die Verschaltungseinrichtung (2) untereinander und mit Versorgungsleitungen elektrisch verbindbar sind, dadurch gekennzeichnet, dass die Verschaltungseinrichtung (2) aus der die Steuerelektronik (14) tragenden Leiterplatte (15) sowie aus in der Leiterplatte (15) befestigten, untereinander durch auf der Leiterplatte (15) verlaufende Leiterbahnen (17) elektrisch verbundenen Flachstecker (16) gebildet ist.

Sammelschieneneinheit und Motor

Diese Sammelschieneneinheit weist eine Mehrzahl von Metallsammelschienen auf. Zumindest eine der Sammelschienen weist einen Hauptkörperabschnitt, der sich in einer Umfangsrichtung erstreckt, einen ersten Anschlussabschnitt und einen bogenförmigen Brückenabschnitt auf. Der Brückenabschnitt verbindet eines der Enden des Hauptkörperabschnitts mit dem ersten Anschlussabschnitt. Der Brückenabschnitt überbrückt außerdem. zumindest eine der anderen Sammelschienen. Da der erste vorstehende Abschnitt nicht von einem Mittelabschnitt des Hauptkörperabschnittes hervorsteht, ist es möglich, eine Materialverschwendung zu reduzieren. Ferner, während der Hauptkörperabschnitt einer Sammelschiene und derjenige einer anderen Sammelschiene an Positionen angeordnet sind, in denen sie einander in der Radialrichtung überlappen, ist es möglich, den ersten Anschlussabschnitt in der Radialrichtung zu erstrecken und zu vermeiden, dass beide Sammelschienen einander kontaktieren.

Statorpaket und Verfahren zum Herstellen eines Statorpakets

Die Erfindung betrifft ein Verfahren zum Herstellen eines Statorpakets, das mehrere Statorzähne mit jeweils mindestens einer Spule aufweist, wobei jeweils nach dem Aufwickeln einer Spule aus Wickeldraht auf einen der Statorzähne ohne den Wickeldraht zu durchtrennen eine nächste Spule aus dem ununterbrochenen Wickeldraht auf einen nächsten Statorzahn aufgewickelt wird. Das Verfahren zeichnet sich dadurch aus, dass der Wickeldraht nicht unmittelbar von einem Statorzahn zum nächsten geführt wird. Vielmehr wird der Wickeldraht vorzugsweise um jeweils eine Umlenkstütze geführt, die außerhalb des zwischen zwei benachbarten Statorzähnen befindlichen Bauraums angeordnet ist.

THERMOMANAGEMENT ELEKTRISCHER MASCHINEN

Die vorliegende Offenbarung stellt ein Thermomanagement elektrischer Maschinen bereit. Eine elektrische Maschine für ein elektrifiziertes Fahrzeug beinhaltet einen Stator, der Wicklungen und eine Brücke, die sich über die Wicklungen und in Eingriff mit den Wicklungen erstreckt, beinhaltet. Die elektrische Maschine beinhaltet ferner eine Temperatursensorbaugruppe, die an der Brücke befestigt ist. Die Temperatursensorbaugruppe beinhaltet ein Rückhaltegehäuse, das eine Basis und beabstandete Rückhaltearme, die sich von der Basis erstrecken, aufweist. Die Temperatursensorbaugruppe beinhaltet ferner einen Temperatursensor, der innerhalb des Rückhaltegehäuses angeordnet ist. Ein Klebstoff ist zwischen dem Rückhaltegehäuse und der Brücke angeordnet.

Very high temperature stator construction

STATOR FOR AN ELECTRICAL MACHINE AND PROCEDURE FOR THE PRODUCTION OF A STATOR

A method for repairing an electric generator

The invention relates to a method for repairing an electric generator, preferably in a wind turbine generator (WTG), the electric generator (10) having a stator and a rotor (30) rotatably mounted relative to the stator. The method of repairing the electric generator provides a rotor connecting ring (40) with a first conductor assembly and a second conductor assembly in two different planes, each assembly with a plurality of conductive arc segments. Each of the first and the second plurality of conductive arc segments form a ring-like shape in their respective plane, both ring-like shapes being concentrical to the central shaft (132) when the rotor connecting ring is mounted. First electrical connections (50) from the central shaft connect to the rotor connecting ring for the multiple phases (K,L,M). Second electrical connections (60) further connect from the rotor connecting ring to the respective windings of the multiple phases (K,L,M) on the exterior part of the rotor facing the stator ...

CENTRALIZED POWER DISTRIBUTION UNIT FOR A VEHICULAR THIN BRUSHLESS MOTOR

A centralized power distribution unit for a vehicular thin brushless motor includes a plurality of bus bars, an insulating holder that holds the bus bars to form a predetermined gap between the bus bars, and a resin insulating layer that covers the bus bars. Each of the bus bars has a terminal portion to be connected to a power source, such as a battery, and a tab to be: connected to a winding of a stator. The bus bars are disposed correspondingly with phases of the motor. A plurality of holding grooves are formed in the insulating holder. The bus bars, which are pre-bent in a thickness direction to be shaped into a substantially annular shape, are respectively accommodated in the holding grooves. The pre-bending is preferably carried out by a bending machine.

ALTERNATOR FOR AN AUTOMOTIVE VEHICLE

CIRCUIT ARRANGEMENT FOR AN ELECTRIC MACHINE

Intermediate connection member, stator and motor

The invention provided an intermediate connection member, stator and motor and the intermediate connection member is applicable to various specifications of external connection terminal. The intermediate connection member (80) electrically connects an output terminal (67) of a bus bar (61) installed inside a motor case (2) with an external connection terminal (92) located in a distance from the output terminal (67). The intermediate connection member (80) includes a terminal member (81) which is connected to the output terminal (67) and a connecting line (82) which is connected to the external connection terminal (92). The connecting line (82) is defined by binding a plurality of wire rods (82a) together.

用于产生多路电压的电源设备和含有此一设备的装置

... 在此电源设备中，存在两个串联的蓄电池(25和26)以产生可变的电压(15-16和17-16)。如果一个蓄电池放电，则由另一个再充电。应用：移动装置。 ...

Rotary electric machine and method of manufacturing the same

A rotary electric machine according to the present invention includes a stator having a connection member forming a three phase delta connection by coil windings. In the rotary electric machine, the connection member is composed of an insulating annular groove portion formed with double annular grooves and a first, a second, and a third annular conductive members, the annular conductive members being attached by insertion into the insulating annular groove portion; the insulating annular groove portion is formed with double grooves of one and the other, and both the grooves are connected via one window portion; the respective annular conductive members are each formed in a circular arc shape and provided with a plurality of arm portions extended outward in the radial direction of the stator, the plurality of arm portions being connected to coil end portions of the coil windings respectively; the first annular conductive member and the second annular conductive member are attached by insertion into different grooves of the insulating annular groove portion, are overlapped at a part of opened sections where a circular arc is not present, are in a positional relationship in which both annular conductive members are opened, and are attached by insertion so that the window portion is disposed at the position where both annular conductive members are opened; and the third annular conductive member is made such that a portion to be attached by insertion into one groove and a portion to be attached by insertion into the other groove are attached by insertion into the insulating annular groove portion via the window portion.

POWER TOOL

It is intended to provide a power tool including a motor capable of simply dealing with even a complex coil connection structure. 1. A power tool comprising:a plurality of coils;a stator holding the plurality of coils;a rotor rotatable with respect to the stator; anda terminal unit including a plurality of fusing terminals electrically connected to the plurality of coils.2. The power tool according to claim 1 , further comprising:a power supply line connected to the terminal unit.3. A power tool comprising:a plurality of coils;an insulator holding the plurality of coils;a stator core holding the insulator;a rotor rotatable with respect to the stator core; anda terminal unit electrically connected to the plurality of coils, the terminal unit being engaged with the stator core.4. The power tool according to claim 3 , wherein the terminal unit is screwed to the insulator.5. A power tool comprising:a plurality of coils;an insulator holding the plurality of coils;a stator core holding the insulator;a rotor rotatable with respect to the stator core;a terminal unit electrically connected to the plurality of coils; anda power supply line supplying electric power to the plurality of coils, the power supply line being detachably connected to the terminal unit.6. The power tool according to claim 2 , wherein the power supply line is screwed to the terminal unit.7. The power tool according to claim 2 , whereinthe power supply line includes a plurality of power supply lines,the plurality of power supply lines include a plurality of terminal plates, respectively,the plurality of power supply lines are connected to the terminal unit through the plurality of terminal plates,the terminal unit includes a connection part to which the plurality of power supply lines are connected, andthe connection part includes a partition partitioning off the plurality of terminal plates.8. The power tool according to claim 3 , wherein the terminal unit is engaged with the stator core.9. The power ...

ELECTRIC WORK MACHINE

An electric work machine includes a smaller motor. An electric work machine includes a motor and a housing accommodating the motor. The motor includes a stator and a rotor rotatable about a rotation axis. The stator includes a stator core, an insulator fixed to the stator core, a plurality of coils fixed to the insulator, and a terminal connected to each of the plurality of coils. The housing includes at least one first tab in contact with at least a part of a surface of the stator. The at least one first tab is at the same position as at least a part of the terminal in an axial direction parallel to the rotation axis. 1. An electric work machine , comprising: [ a stator core,', 'an insulator fixed to the stator core,', 'a plurality of coils fixed to the insulator, and', 'a terminal connected to at least one of the plurality of coils, and, 'a stator including'}, 'a rotor rotatable about a rotation axis; and, 'a motor including'}a housing accommodating the motor, the housing including at least one first tab in contact with at least a part of a surface of the stator, the at least one first tab being at the same position as at least a part of the terminal in an axial direction parallel to the rotation axis.2. The electric work machine according to claim 1 , whereinthe at least one first tab and the terminal are at different positions in a circumferential direction about the rotation axis.3. The electric work machine according to claim 1 , whereinthe surface of the stator includes an axially-facing surface facing in the axial direction, andthe at least one first tab has a first support surface in contact with the axially-facing surface.4. The electric work machine according to claim 3 , whereinthe axially-facing surface includes an end face of the stator core facing in the axial direction.5. The electric work machine according to claim 3 , whereinthe insulator includes a cover covering at least a part of an end face of the stator core facing in the axial direction, ...

Modified WYE Ring

Methods for replacing a Wye-ring of a wind turbine generator preferably, but not necessarily, in-situ are described along with a combination of three arcuate Wye-ring sections that when assembled comprise a Wye-ring. The method after gaining access to the Wye-ring typically comprises: removing all or most of the damaged Wye-ring; installing the replacement sections typically by welding or brazing them in place; insulating the new ring; installing new blocking; and adhesively securing the new blocking in place. 1. A method of replacing a Wye-ring of a generator with a replacement Wye-ring , the method comprising: (1) a first arcuate section having an effective radius comprised of one or more strips electrically conductive ribbon, the first arcuate section including first and second ends with the respective ends including radially outwardly extending first and second arms,', '(2) a second arcuate section, having the effective radius comprised of one or more strips electrically conductive ribbon, the second arcuate section including third and fourth ends with the respective ends including radially outwardly extending third and fourth arms, and', '(3) a third arcuate section having the effective radius comprised of one or more strips electrically conductive ribbon, the third arcuate section including fifth and sixth ends with the respective ends including radially outwardly extending fifth and sixth arms;, 'providing the replacement Wye-ring comprising in combination'}dismantling the generator to gain access to the Wye ring;removing the annular ring of the Wye-ring while leaving most to substantially all of three radially extending cups in place;attaching each of the first, second, third, fourth, fifth and sixth arms to one of the three radially extending cups; andreassembling the generator.2. The method of claim 1 , wherein said dismantling claim 1 , said removing claim 1 , said attaching and said reassembling is performed with the generator located in situ within the ...

BUSBAR UNIT FOR MOTOR

A busbar unit that is electrically connected to a motor, the motor including a coil would around a stator, the busbar unit including: a terminal including a body, and a terminal portion protruding from an inner circumferential surface of the body; and a holder including a holder body configured to support the body, and a terminal holder portion disposed on an inner circumferential surface of the holder body and configured to electrically connect the terminal portion and the coil. 1. A busbar unit configured to be electrically connected to a motor , the motor comprising a coil wound around a stator , the busbar unit comprising:a terminal comprising a body and a terminal portion protruding from an inner circumferential surface of the body; anda holder comprising a holder body configured to support the body and a terminal holder portion disposed on an inner circumferential surface of the holder body and configured to electrically connect the terminal portion and the coil.2. The busbar unit of claim 1 , wherein the terminal holder portion is configured to fix the coil to the terminal portion such that the coil and the terminal portion are in close contact with each other.3. The busbar unit of claim 2 , wherein the terminal holder portion has a terminal hole therein claim 2 , the terminal portion is disposed at one side in the terminal hole claim 2 , and the coil is accommodated at the other side in the terminal hole so as to be in close contact with the terminal portion.4. The busbar unit of claim 3 , wherein the terminal portion comprises:a terminal body disposed in the terminal holder portion; anda contact terminal disposed at an end of the terminal body and disposed in the terminal hole so as to be in contact with the coil.5. The busbar unit of claim 4 , wherein the contact terminal comprises a contact surface that contacts the coil.6. The busbar unit of claim 3 , comprising:a bushing having a bushing hole and disposed in the terminal hole,wherein the coil and the ...

BUSBAR UNIT FOR MOTOR

A busbar unit that is electrically connected a motor, the motor including a coil wound around a stator, the busbar unit including: a terminal disposed at an upper side of the stator and electrically connected to the coil in an outer region of the coil in a radial direction of the stator; and a holder configured to support the terminal. 1. A busbar unit configured to be electrically connected to a motor , the motor comprising a coil wound around a stator , the busbar unit comprising:a terminal disposed at an upper side of the stator and configured to be electrically connected to the coil in an outer region of the coil in a radial direction of the stator; anda holder configured to support the terminal.2. The busbar unit of claim 1 , wherein the terminal comprises:a body disposed at the upper side of the stator in the outer region of the coil; anda terminal portion protruding from an upper portion of the body and connected to the coil.3. The busbar unit of claim 2 , wherein the terminal portion comprises:a terminal body protruding from the upper portion of the body;a first terminal protrusion protruding from an upper portion of the terminal body; anda second terminal protrusion protruding from the upper portion of the terminal body and spaced apart from the first terminal protrusion,wherein the first terminal protrusion and the second terminal protrusion define a terminal groove that accommodates the coil.4. The busbar unit of claim 3 , wherein the terminal groove comprises:an entry portion having a first width; anda restriction portion extending from a lower portion of the entry portion and having a second width smaller than the first width,wherein the coil is disposed in the entry portion and is restricted by the restriction portion.5. The busbar unit of claim 3 , wherein the holder surrounds the body claim 3 , and the terminal portion is exposed from an upper portion of the holder.6. The busbar unit of claim 5 , comprising:a catching portion configured to restrict a ...

Rotor for electric motor

A rotor for an electric motor includes a rotor core defining a plurality of slots that are spaced apart from each other and arranged along a circumferential direction of the rotor core, and a rotor winding provided at the plurality of slots and configured to flow current. The rotor winding includes a plurality of conductor bars that extend in an axial direction of the rotor core and that are disposed in a slot of the plurality of slots, and end rings that are disposed at both sides of the plurality of conductor bars and that connect the plurality of conductor bars to each other. The rotor further includes deformation preventing units each of which surrounds and contacts an outer surface of one of the end rings. The deformation preventing units are configured to restrict deformation of the end rings.

ELECTRIC MOTOR

An electric motor includes a housing including a circumferential housing wall centered around a central axis, an annular stator fixedly mounted inside of the housing and including coils to generate a time-varying magnetic field, a busbar unit including a busbar holder and at least one busbar to electrically connect at least one coil of the stator to a power source to energize the at least one coil, and a rotor rotatably mounted inside of the housing to be rotated by an interaction with the magnetic field generated by the stator. The housing wall may include a housing wall engagement structure at an inner surface thereof engaged or configured to be engaged with a busbar unit engagement structure provided on the busbar unit. The housing wall engagement structure may include at least one protrusion defined by a portion of the housing wall dented into the interior of the housing. 113-. (canceled)14. An electric motor , comprising:a housing including a circumferential housing wall centered around a central axis;an annular stator fixedly mounted inside of the housing and including a plurality of coils to generate a time-varying magnetic field;a busbar unit including a busbar holder and at least one busbar to electrically connect at least one coil of the stator to a power source to energize the at least one coil; anda rotor rotatably mounted inside of the stator to be rotated by an interaction with the magnetic field generated by the stator; whereinthe housing wall includes a housing wall engagement structure at an inner surface thereof engaged or configured to be engaged with a busbar unit engagement structure provided on the busbar unit;the housing wall engagement structure includes at least one protrusion defined by a portion of the housing wall dented into an interior of the housing.15. The electric motor of claim 14 , wherein at least one protrusion is defined by caulk.16. The electric motor of claim 14 , wherein the housing wall engagement structure includes a ...

Concentrated power-distribution member for concentrated winding motor

A concentrated power-distribution member for a concentrated winding motor including a ring-shaped busbar and a coil connection terminal formed in one-piece with the busbar to hold a coil winding end positioned in an inner side of the busbar. The coil connection terminal has an erected portion extending from the busbar in parallel with the center axis of the busbar and a pair of arms extending from the leading end of the erected portion toward a center axis. A pair of arms is constructed by a pair of wing portions that extend to both sides of the erected portion and are bent toward the center axis along a bending line parallel to the center axis. A coil end holding portion is provided in leading ends of the pair of arms. According to this construction, a dimension of the concentrated power-distribution member is reduced.

MOTOR

An exemplary embodiment of the present invention provides a motor including: a rotor configured to rotate about a central axis; a stator disposed radially opposite the rotor with a clearance defined between the stator and the rotor; a housing accommodating the rotor and the stator; a bearing supporting the rotor in a rotatable manner; a bearing holder holding the bearing, the bearing holder being fixed to the housing; a rotation sensor configured to detect rotation of the rotor; and a sensor holder disposed in the bearing holder to hold the rotation sensor. According to an exemplary embodiment of the present invention, the motor includes a position adjustment mechanism configured to adjust a circumferential position of the rotation sensor by integrally rotating the bearing holder and the sensor holder relative to the housing in a circumferential direction. 1. A motor comprising:a rotor configured to rotate about a central axis;a stator disposed radially opposite the rotor with a clearance defined between the stator and the rotor;a housing accommodating the rotor and the stator;a bearing supporting the rotor in a rotatable manner;a bearing holder holding the bearing,the bearing holder being fixed to the housing;a rotation sensor configured to detect rotation of the rotor;a sensor holder disposed in the bearing holder to hold the rotation sensor; anda position adjustment mechanism configured to adjust a circumferential position of the rotation sensor by integrally rotating the bearing holder and the sensor holder relative to the housing in a circumferential direction.2. The motor according to claim 1 , whereinthe housing has an opening opened at a first side in an axial direction, a bearing holder main body disposed in the opening; and', 'a holder flange protruding radially outward from the bearing holder main body,', 'the holder flange being fixed to a peripheral edge of the opening, and, 'the bearing holder includes an oblong hole bored in the holder flange,', 'the ...

FEEDING UNIT AND ROTARY ELECTRIC MACHINE

A feeding unit is provided which includes; a plurality of feeding bodies, each electrically connected to a conductor constituting a coil wound for each of a plurality of phases; and a resin holding portion made of resin material and integrally connecting and holding the plurality of feeding bodies, the resin holding portion comprising an external-side protection part surrounding each feeding body and a connection part connecting two of the adjacent external-side protection parts. A thickness size of the connection part is set to the same as a thickness size of a resin of the external-side protection part. 1. A feeding unit comprising:a plurality of feeding bodies, each electrically connected to a conductor forming a coil wound for each of a plurality of phases; and 'the resin holding portion comprising an external-side protection part surrounding each feeding body and a connection part connecting two of the adjacent external-side protection parts, wherein', 'a resin holding portion made of resin material and integrally connecting and holding the plurality of feeding bodies,'}a thickness size of the connection part is set to the same as a thickness size of a resin of the external-side protection part.2. The feeding unit according to claim 1 , wherein a surface of the connection part is provided with a plate-shaped reinforcement rib standing and extending so as to connect two of the adjacent external-side protection parts.3. The feeding unit according to claim 2 , wherein the reinforcement rib has a through-hole penetrating in a thickness direction thereof.4. The feeding unit according to claim 2 , wherein at least one of a corner part connecting the external-side protection part and the connection part claim 2 , a corner part connecting the connection part and the reinforcement rib claim 2 , and a corner part connecting the reinforcement rib and the external-side protection part has a corner R that links claim 2 , using a curved surface claim 2 , portions of the ...

MOTOR

A motor includes a first bus bar including a first extension extending in a first direction perpendicular to the axial direction, a second extension extending from an end of the first extension in a second direction perpendicular to the axial direction and intersecting the first direction, and a first bus bar body including a first corner to which the first extension and the second extension are connected. A holder includes a support to support the first bus bar body from another side in the axial direction, a pair of first walls parallel or substantially parallel in a first perpendicular direction and to which the first extension is fitted in the first perpendicular direction, and a pair of second walls parallel in a second perpendicular direction and to which the second extension is fitted in the second perpendicular direction. The pair of first walls include wall surfaces that face each other in the first perpendicular direction and are spaced by a gap from each other, and extend in the first direction. The pair of second walls include wall surfaces that face each other in the second perpendicular direction and are spaced by a gap from each other, and extend in the second direction. A first space is provided between the pair of first walls and the pair of second walls. The first corner is provided in the first space. 19-. (canceled)10. A motor comprising:a rotor including a shaft provided along a central axis;a stator including a plurality of coils, the stator facing the rotor and spaced by a gap from the rotor in a radial direction;a first bus bar electrically connected to the stator at one side in an axial direction; anda holder to hold the first bus bar; whereinthe first bus bar includes:a first extension extending in a first direction perpendicular or substantially perpendicular to the axial direction;a second extension extending from an end of the first extension of the first direction in a second direction, the second direction being perpendicular or ...

BUS BAR UNIT AND MOTOR INCLUDING THE SAME

A phase bus bar unit includes a bus bar holder that is an insulator and supports of bus bars for phases of a motor rotating about a central axis, and a bus bar cover which is an insulator, covers at least one side of each of the bus bars in an axial direction, and is fixed to the bus bar holder. Each of the bus bars includes a base, extensions each extending outward in a radial direction from the base, and a terminal installed on an outer end of each of the extensions in the radial direction. The bus bar cover includes protrusions each protruding to another side in the axial direction, and the protrusions are in contact with each of the bus bars while at least one of the protrusions is in contact with the base at or adjacent to the extension. 113-. (canceled)14. A bus bar unit comprising:a bus bar holder, which is an insulator and supports a plurality of bus bars for phases of a motor rotating about a central axis; anda bus bar cover, which is an insulator, covers at least one side of each of the bus bars in an axial direction, and is fixed to the bus bar holder; whereineach of the bus bars includes a base, a plurality of extensions each extending outward in a radial direction from the base, and a terminal installed on an outer end of each of the extension in the radial direction;the bus bar cover includes a plurality of protrusions each protruding to another side in the axial direction; andthe plurality of protrusions are in contact with each of the bus bars while at least one of the protrusions is in contact with the base at or adjacent to the extension.15. The bus bar unit of claim 14 , whereinthe base of the plurality of bus bars is disposed in series in the radial direction;the bus bar holder is provided with a partition wall to separate the bus bars adjacent to each other in the radial direction from each other;a first notch notched in the axial direction is provided on an end of one side of the partition wall in the axial direction; anda portion of the ...

STATOR, MOTOR, AND ELECTRIC POWER STEERING DEVICE

A stator comprises: a stator core placed in a circular ring shape around a central axis that extends vertically, onto which coil wires are wound; a first support member placed over the stator core; and a second support member placed over the first support member, the first support member having receiving grooves for guiding the coil wires coming out of the stator core, wherein the receiving grooves are grooves that open to the top and extend in a direction along the top surface of the first support member, the second support member having through-holes that axially support the coil wires, wherein the second support member at least partially overlaps the receiving grooves of the first support member in an axial view. 121-. (canceled).22. A stator comprising:a stator core placed in a circular ring shape around a central axis that extends vertically, onto which coil wires are wound;a first support member placed over the stator core; anda second support member placed over the first support member,the first support member having receiving grooves for guiding the coil wires coming out of the stator core,wherein the receiving grooves are grooves that open to the top and extend in a direction along the top surface of the first support member,the second support member having through-holes that axially support the coil wires,wherein the second support member at least partially overlaps the receiving grooves of the first support member in an axial view.23. The stator of claim 22 , wherein the receiving grooves are linear in an axial view.24. The stator of claim 22 , wherein the first support member has a plurality of adjacent receiving grooves and wall portions separating the receiving grooves.25. The stator of claim 24 , wherein the receiving grooves are placed radially adjacent to each other claim 24 , and the bottom sides of each pair of receiving grooves are located at different axial positions on a cross-section along the radius.26. The stator of claim 24 , wherein the ...

SENSOR UNIT

The sensor unit () includes a case () having a bottom surface (); a sensor element () including a sensor element main body () and a power supply terminal (); and a power supply bus bar () including an inclined part () and a first connection part (). An end on one side of the power supply terminal () is electrically connected to the sensor element main body (). In a state where the power supply terminal () passes through the first connection part (), an end on the other side of the power supply terminal () is in contact with the inclined part () and the first connection part () is in contact with the power supply terminal (), so that movement of the power supply terminal () in a direction away from the bottom surface () is restricted. 1. A sensor unit , comprising:a case having a bottom surface that comprises a mounting surface, and a side wall that surrounds the bottom surface;a sensor element comprising a sensor element main body and a terminal, wherein the sensor element main body is mounted on the mounting surface in a state of being restricted from moving in a direction parallel to the mounting surface, and an end on one side of the terminal is electrically connected to the sensor element main body; anda bus bar comprising an inclined part and a terminal passage part, and fixed in the case, wherein the inclined part is inclined with respect to the mounting surface, and the terminal passes through the terminal passage part,wherein in a state where the terminal passes through the terminal passage part, an end on the other side of the terminal is in contact with the inclined part and the terminal passage part is in contact with a side surface of the terminal, so that movement of the terminal in a direction away from the bottom surface is restricted.2. The sensor unit according to claim 1 , wherein the end on the other side of the terminal is in contact with the inclined part to be pressed in the direction away from the bottom surface.3. The sensor unit according to ...

Connection of "n" busbars in an electric motor

The disclosure relates to an interconnection of cylindrical windings of an electric motor with “n” conductor rails for producing switching connections between the individual windings. The conductor rails are geometrically arranged in a few planes, wherein a plane is defined as a concentric layer relative to the winding and follows a constant radius, wherein conductor rails on the same plane cross that conductor rail on the other plane.

WIND POWER GENERATOR SET, ELECTROMAGNETIC DEVICE, AND HEAT EXCHANGE OR DRYING DEVICE FOR IRON CORE

A wind power generator set, an electromagnetic device and a heat exchange or drying device for an iron core. The heat exchange or drying device for an iron core includes a sprayer capable of feeding an airflow, wherein the sprayer is provided with a spraying hole, and the airflow can be sprayed to an end of the iron core through the spraying hole. The sprayer sprays a cold airflow or a hot airflow at the end of the iron core, creating a cooling and drying environment at the end of the iron core. This facilitates the heat dissipation of the iron core and also the maintenance of the insulation performance of an end of a winding, including the insulation of the winding itself and the insulation between the winding and the iron core, and also the protection of a magnetic pole and a protective covering layer thereof. 1. A heat exchange or drying device for an iron core , comprising a sprayer configured to introduce airflow , wherein the sprayer is provided with spray holes , and the airflow is allowed to be sprayed to an end portion of the iron core through the spray holes.2. The heat exchange or drying device according to claim 1 , wherein the sprayer comprises an annular spray pipe matching with an annular shape of the iron core claim 1 , the annular spray pipe is provided at the end portion of the iron core claim 1 , and the plurality of spray holes are provided in a circumferential direction of the annular spray pipe.3. The heat exchange or drying device according to claim 2 , wherein the annular spray pipe is mounted at an end face of the iron core.4. The heat exchange or drying device according to claim 3 , whereinwindings are accommodated in slots of the iron core, the end face of the iron core is provided with an annular busbar, and connectors of the windings are connected to the busbar; andthe annular spray pipe is located at an inner side or an outer side of the busbar or is arranged to axially facing the busbar directly, and the annular spray pipe is ...

Buss bar assembly

A buss bar assembly for electrically interconnecting phase leads of first, second, and third phase coil winding assemblies arranged about a stator central axis. A substantially annular dielectric body defines a buss bar central axis, and has an inner face. Substantially annular first, second, and third phase bars at least partially disposed within the body have first, second, and third pluralities, respectively, of phase bar contacts angularly spaced from each other at locations about the buss bar central axis and electrically engagable from outside of the body. The buss bar assembly is adapted for installation such that the stator central axis is substantially surrounded by the body, the coil winding assemblies and inner face interface, and phase leads of the first, second, and third phase coil winding assemblies are electrically engaged with the first, second, and third pluralities of phase bar contacts, respectively.

Coil wiring unit of drive motor for vehicle and manufacturing method thereof

A coil wiring unit of a drive motor for a vehicle is provided. The unit includes a bus bar assembly that has a plurality of bus bars for connecting coils of the drive motor to each phases stacked in a longitudinal direction. A plurality of insulating sheets are disposed between each of the bus bars and correspond to the shape of each of the bus bars.

MOTOR

A motor includes a wire support member that includes a wire holding portion that holds one portion of coil lead wires among the coil lead wires extending upward from a coil, a first conducting member that electrically connects the other portion of the coil lead wires to each other, and a main body portion that supports the wire holding portion and a first conducting member, a bus bar unit includes a second conducting member connected to the coil lead wire held by the wire holding portion, and a bus bar holder that holds the second conducting member, and a bearing holder includes a through-hole which penetrates the bearing holder in an axial direction and through which a coil end of the coil lead wire or the second conducting member passes. 1. A motor comprising:a rotor that includes a shaft with a central axis extending in a vertical direction as a center;a stator opposing the rotor in a radial direction;a bearing that supports the shaft;a wire support member above the stator; anda bearing holder above the wire support member to hold the bearing, wherein a plurality of teeth, and', 'a plurality of coils provided on the plurality of teeth, the plurality of coils including coil lead wires,, 'the stator includes a wire holding portion that holds one portion of the coil lead wires extending upward from the coil and is made of resin,', 'a neutral point bus bar that electrically connects another portion of the coil lead wires to each other,', 'a connection terminal connected to a specific one of the coil lead wires held by the wire holding portion, and', 'a main body portion that supports the wire holding portion, a neutral point bus bar, and the connection terminal,, 'the wire support member includesone end portion of the connection terminal is connected to the specific one of the coil lead wires and another end portion of the connection terminal extends upward towards the bearing holder,the bearing holder includes a through-hole that penetrates through the bearing ...

Electric motor and electric tool

The present invention relates to an electric motor and an electric tool equipped with the electric motor. The electric motor includes a rotor, a stator, a coil module wound around the stator, a Hall unit and a wiring circuit unit. The Hall unit includes a Hall circuit board disposed around a rotating shaft of the rotor, and a Hall module for sensing rotation of the rotor. The wiring circuit unit is independent of the Hall circuit board and includes a three-phase power source interface. The wiring circuit unit electrically connects coils of the coil module to the power source interfaces respectively by groups. By separately disposing the Hall unit and the wiring circuit unit independently, a volume of the Hall circuit board can be reduced, and an area blocking an airflow path of a heat dissipation unit can be reduced, so heat dissipation effect of the electric motor and the electric tool can be improved.

Terminal for vehicle traction motor and method of manufacturing the same

A terminal of a vehicle traction motor includes a plurality of bus bars placed on an assembly jig, a plurality of insulation spacers, where an insulation spacer is inserted between the a pair of bus bars, and a terminal mold placed over the plurality of bus bars and the plurality of insulation spacers, the terminal mold being coupled to an outermost bus bar of the plurality of bus bars, wherein a diameters of each of the plurality of bus bars is different from the other bus bars, and a diameters of each of the insulation spacers is different from the other insulation spacers.

STATOR FOR AN ELECTRIC MACHINE, AND METHOD FOR MANUFACTURING SAME

Disclosed are a stator () for an electric machine () and a method for manufacturing a stator of said type which comprises a stator body () that has radial stator teeth (); each stator tooth () accommodates exactly one coil section () of an electric winding (); the winding () consists of exactly two separate winding strands () which are wound from exactly two separate winding wires () and each of which has three phases () comprising at least two coil sections () each. 11012341414181616242522261817. A stator () for an electric machine () , the stator comprising a stator body () which has radial stator teeth () , wherein each stator tooth () accommodates in each case exactly one sub-coil () of an electrical winding () , characterized in that the winding () is composed exactly of two separate first and second winding strands ( , ) which are wound from exactly two separate winding wires () and which have in each case three phases () with in each case at least two sub-coils ( , ).210343814. The stator () as claimed in claim 1 , characterized in that the stator body () has an outer claim 1 , closed return ring () from which the stator teeth () extend radially inwardly.310242112513341113. The stator () as claimed in claim 1 , characterized in that the first winding strand () extends in a circumferential direction () over a first half () and the second winding strand () extends over a second half () of the stator body () claim 1 , such that two motor halves ( claim 1 , ) are formed which are wound so as to be electrically insulated with respect to one another.410343635. The stator () as claimed in claim 1 , characterized in that the stator body () is assembled from a multiplicity of stator laminations () claim 1 , which lie one on top of an other claim 1 , to form a lamination stack ().510403439404144303118. The stator () as claimed in claim 1 , characterized in that in each case one insulating lamination () is arranged on the stator body () on both axial face sides () claim ...

Control Unit For a Power Tool

A power tool is provided including a housing, a brushless DC motor housed inside the housing, and a control unit housed inside the housing for controlling an operation of the brushless DC motor. The control unit includes a potting boat having an open portion, a circuit board received within the potting boat through the open portion, power switching elements mounted on the circuit board, a potting compound receiving within the potting boat to substantially surround the circuit board, and a heat sink in thermal communication with the power switching elements. The heat sink has a surface exposed outside the potting compound through the open portion of the potting boat. 1. A power tool comprising:a housing;a brushless DC motor housed inside the housing; and a potting boat having an open portion;', 'a circuit board received within the potting boat through the open portion;', 'a plurality of power switching elements mounted on the circuit board;', 'a potting compound receiving within the potting boat to substantially surround the circuit board; and', 'a heat sink in thermal communication with the plurality of power switching elements, the heat sink having a surface exposed outside the potting compound through the open portion of the potting boat., 'a control unit housed inside the housing for controlling an operation of the brushless DC motor, the control unit comprising2. The power tool of claim 1 , wherein the circuit board comprises a power unit claim 1 , further comprising a control circuit board having a controller mounted thereon.3. The power tool of claim 1 , the plurality of power switching elements are configured as a part of a smart power module (SPM) mounted on the circuit board claim 1 , the heat sink being mounted over the SPM claim 1 , the SPM having at least one through-hole arranged for attachment of the heat sink to the circuit board.4. The power tool of claim 1 , further comprising a variable-speed switch assembly including:a main body disposed within ...

Capacitor component for an electric motor or generator

A capacitor component comprising a first busbar, a second busbar, one or more capacitor elements and a housing, the housing having a first portion and a second portion, wherein the first portion and the second portion are arranged to extend around an aperture, the first portion includes a section for housing the one or more capacitor elements, with the second portion extending between a first end and a second end of the first portion, wherein the first busbar and the second busbar are arranged to extend around the first portion and the second portion of the housing, a first power supply terminal is formed at the first end of the first portion and a second power supply terminal is formed at the second end of the first portion, wherein the first power supply terminal is coupled to the first busbar and the second power supply terminal is coupled to the second busbar, wherein a first conductive layer of the one or more capacitor elements is coupled to the first busbar and a second conductive layer of the one or more capacitor elements is coupled to the second busbar.

INTERIOR BUS BAR FOR ELECTRIC MACHINE WINDING

An electric machine includes a core with windings positioned on the core. The windings include in-slot portions, end turns, and leads. The in-slot portions are positioned in slots of the core. The end turns extend from the in-slot portions at ends of the core. The leads extend from the in-slot portions and axially past the end turns. A bus bar assembly is positioned radially inward from the end turns. The bus bar assembly includes an arc portion, a plurality of axial lead connectors, and a plurality of axial phase terminals. The arc portion is positioned axially within the end turns. The axial lead connectors extend axially past the end turns and are connected to the leads. The axial phase terminals also extend axially past the end turns. 1. An electric machine comprising:a stator assembly including a core with windings positioned on the core, the windings including in-slot portions, end turns, and leads, the in-slot portions positioned in slots of the core, the end turns of the windings extending from the in-slot portions at opposite ends of the core, and the leads of the windings extending from the in-slot portions at one of the ends of the core with the leads extending outward from the end turns, the leads of the windings including a first plurality of leads associated with conductors in an inner layer of the slots and a second plurality of leads associated with conductors in an outer layer of the slots; anda bus bar assembly positioned radially inward from the end turns and including a plurality of lead connectors, each of the plurality of lead connectors connected to one of the first plurality of leads or one of the second plurality of leads.2. The electric machine of wherein the inner layer of the slots is an innermost layer and the outer layer of the slots is an outermost layer.3. The electric machine of further comprising a bus encasement including an arc portion claim 1 , each of the plurality of lead connectors extending axially from the arc portion.4. The ...

STATOR FOR AN ELECTRIC MACHINE

A stator for an electric machine is provided having a winding with plurality of interconnected conductors assigned to one or more phases. The ends of at least some of the conductors protrude axially or radially beyond the winding at the inner circumference or at the outer circumference of the winding, wherein an interconnection ring, to which the conductors are connected, is positioned axially or radially on the winding. The ends of in each case at least two conductors assigned to one phase protrude radially or axially outwards and are connected to a power connection arranged radially outside the winding. 1. A stator for an electric machine , comprising: a winding comprising a plurality of interconnected conductors assigned to one or more phases , wherein ends of at least one of the conductors protrude axially or radially beyond the winding at an inner circumference or at an outer circumference of the winding , wherein an interconnection ring , to which the conductors are connected , is positioned axially or radially on the winding , and wherein the ends of in each case at least two conductors assigned to one phase protrude radially or axially outwards and are connected to a power connection arranged radially outside the winding.2. The stator according to claim 1 , wherein the interconnection ring has a plurality of separate line bridges to which the ends are connected.3. The stator according to claim 2 , wherein the line bridges have radially or axially protruding connection sections to which the ends are connected.4. The stator according to claim 2 , wherein the line bridges are arranged radially and axially offset from one another.5. The stator according to claim 3 , wherein the interconnection ring has a housing in which the line bridges are arranged.6. The stator according to claim 5 , wherein the housing has openings through which the connection sections protrude.7. The stator according to claim 1 , wherein the radially or axially outwardly guided ends of a ...

DRIVE TRAIN WITH AN ELECTRIC MACHINE AND AN INVERTER, AND MOTOR VEHICLE

A drive train () has an electric machine () with a stator (), an inverter () and a connection housing () with a coolant chamber () in which an electric conductor () for connecting a directly liquid-cooled stator winding () of the stator () to the inverter () is arranged. The coolant chamber () is open in a liquid-permeable manner toward a stator chamber () of the stator () at an opening (). The electric conductor () is guided out of the coolant chamber () to the inverter () at a leadthrough (), and the leadthrough () is sealed in a liquid-tight manner. A motor vehicle () with the drivetrain () also is provided. 1. A drive train comprising an electric machine with a stator , an inverter and a connection housing with a coolant chamber , an electric conductor connecting a directly liquid-cooled stator winding of the stator to the inverter passing through the coolant chamber the coolant chamber being open in a liquid-permeable manner toward a stator chamber of the stator at an opening , and the electric conductor is guided out of the coolant chamber to the inverter at a leadthrough that is sealed in a liquid-tight manner.2. The drive train of claim 1 , wherein the electric conductor comprises a busbar.3. The drive train of claim 1 , wherein the opening is arranged on one axial end of the stator.4. The drive train of claim 1 , wherein the connection housing has an inlet for conducting a coolant into the coolant chamber.5. The drive train of claim 4 , wherein the connection housing further has an outlet for conducting a coolant out of the coolant chamber.6. The drive train of claim 5 , wherein the inlet and the out let are at opposite axial ends of the connection housing.7. The drive train of claim 1 , wherein the connection housing has an outlet for conducting a coolant out of the coolant chamber.8. The drive train of claim 1 , wherein the leadthrough is sealed in a liquid-tight manner with a seal of the inverter claim 1 , the seal being arranged on an inverter housing ...

STATOR FOR AN ELECTRIC MOTOR, METHOD FOR THE PRODUCTION THEREOF, AND ELECTRIC MOTOR

A stator for an electric motor contains a cylindrical stator yoke and a stator star which is joined to the cylindrical stator yoke and has a number of radially outwardly directed stator teeth. The tooth tips of the stator teeth bear against corresponding connecting points on the inner circumference of the stator yoke in the joined state. The stator yoke and the stator star are each formed by a punch-stacked laminated core, and in each case an adhesive, which is drawn in via capillaries, for establishing a cohesive connection is introduced between the stator star-side tooth tips and the stator yoke-side connecting points. 1. A stator for an electric motor , the stator comprising:a cylindrical stator yoke having connection points including stator yoke-side connection points;a stator star joined to said stator yoke and having a plurality of stator teeth being directed radially outwards, said stator teeth having tooth tips bearing against corresponding ones of said connection points on an inner circumference of said cylindrical stator yoke in a joined state, said tooth tips including stator star-side tooth tips;said cylindrical stator yoke and said stator star each being formed by a punch-stacked laminate stack; andan adhesive being drawn in by capillary action is introduced between said stator star-side tooth tips and said stator yoke-side connection points for producing a cohesive connection.2. The stator according to claim 1 , wherein said tooth tips of said stator teeth are formed with joining contours claim 1 , and said connection points on said inner circumference of said cylindrical stator yoke are formed with mirror-inverted joining contours.3. The stator according to claim 1 , wherein said adhesive is a two-component bonding agent claim 1 , to which a reactive diluent has been added for reducing an adhesive viscosity.4. The stator according to claim 2 , wherein:said joining contours are wedge shaped; andsaid mirror-inverted joining contours are wedge shaped.5. ...

MOTOR

A stator includes conductive wires wound around teeth, and slots between adjacent teeth in a circumferential direction. The conductive wires include conductive wires of three phases corresponding to a U-phase, a V-phase, and a W-phase, and the conductive wires are delta connected. Coils, in which any one of the conductive wires is wound around the teeth, are repeatedly disposed in order of the U-phase, the V-phase, and the W-phase in the circumferential direction. In each of the U-phase, the V-phase, and the W-phase, at least two coils are connected in series and adjacent in the circumferential direction. A direction in which the U-phase and W-phase conductive wires are wound around the teeth and a direction in which the V-phase conductive wire is wound around the tooth are opposite. 1. A motor which is a three-phase motor , comprising:a stator including an annular shape around a central axis; anda rotor which is rotatable with respect to the stator; whereinthe stator includes a stator core, which includes a plurality of teeth disposed to face the rotor and spaced by a distance from each other in a circumferential direction, and conductive wires wound around the plurality of teeth;a total number of slots positioned between the adjacent teeth in the circumferential direction is six or more;a ratio of a total number of poles of the rotor to the total number of the slots is 2:3;the conductive wires include conductive wires of three phases corresponding to a U-phase, a V-phase, and a W-phase;the conductive wires of the three phases are delta connected;a plurality of coils, in which any one of the conductive wires of the three phases is wound around the teeth, are repeatedly disposed in order of the U-phase, the V-phase, and the W-phase in the circumferential direction;in each of the U-phase, the V-phase, and the W-phase, at least two coils are connected in series and the coils connected in series are adjacent in the circumferential direction;a direction in which the U- ...

MOTOR

A motor includes a rotor having a shaft centered on a central axis that extends in an axial direction, a stator which is disposed to face the rotor and includes a plurality of coils, a housing in which the rotor and the stator are housed, and a bus bar assembly that is disposed on one side of the shaft in the axial direction, wherein the bus bar assembly includes a plurality of bus bars that are electrically connected to the plurality of coils of the stator and a bus bar holder that holds the plurality of bus bars, and wherein at least one bus bar among the plurality of bus bars is placed on a disposition surface part provided on the bus bar holder and extends in a direction crossing the central axis. 1. A motor comprising:a rotor having a shaft centered on a central axis that extends in an axial direction of the shaft;a stator which is disposed to face the rotor and comprises a plurality of coils;a housing in which the rotor and the stator are housed; anda bus bar assembly that is disposed on one side of the shaft in the axial direction, a plurality of bus bars that are electrically connected to the plurality of coils of the stator and', 'a bus bar holder that holds the plurality of bus bars, and, 'wherein the bus bar assembly comprises'}wherein at least one bus bar among the plurality of bus bars is placed on a disposition surface part provided on the bus bar holder and extends in a direction crossing the central axis.2. The motor according to claim 1 ,wherein the at least one bus bar linearly extends on the disposition surface part.3. The motor according to claim 1 ,wherein the bus bar holder is disposed at a position crossing the central axis.4. The motor according to claim 1 ,wherein the housing is a resin housing, andwherein the bus bar assembly is integrated with the resin housing by insert molding.5. The motor according to claim 4 ,wherein the bus bar holder has a through-hole that opens to both sides in the axial direction, andwherein the bus bar holder is ...

CONTACT RING FOR A STATOR OF AN ELECTRIC MOTOR

A contact ring for a stator of an electric motor has three planes, i.e. a first plane with at least one first conductor; a second plane made of an electrically insulating material; and a third plane with at least one second conductor, and at least one first and one second feedthrough passing through the second plane. The first feedthrough is smaller than the second feedthrough, and the first feedthrough guides coil wires of one coil and the second feedthrough guides coil wires of at least two coils. 215152535455561. A contact ring () according to claim 1 , wherein at least one second conductor ( claim 1 , claim 1 , claim 1 , claim 1 , claim 1 , ) stands upright on the contact ring ().311113152931. A contact ring () according to claim 1 , wherein the coil wires are guided in the feedthroughs ( claim 1 , claim 1 , ) in crimped sleeves ( claim 1 , ).412931. A contact ring () according to claim 1 , wherein the coil wires or the sleeves ( claim 1 , ) are welded to the first or second conductor.511723255152535455561315. A contact ring () according to claim 1 , wherein at least one first conductor () has an extension ( claim 1 , ) in the direction of the second conductors ( claim 1 , claim 1 , claim 1 , claim 1 , claim 1 , ) claim 1 , and this extension is routed through the first feedthrough ( claim 1 , ).615414345515253545556. A contact ring () according to claim 1 , wherein the second plane () has at least one support ( claim 1 , claim 1 , ) for the second conductors ( claim 1 , claim 1 , claim 1 , claim 1 , claim 1 , ).7117727172. A contact ring () according to claim 1 , wherein the contact ring () has at least one support element () that interacts with the stator () or a stator end plate () of the stator ().815152535455566567575859. A contact ring () according to claim 1 , wherein the cross section of the second conductor ( claim 1 , claim 1 , claim 1 , claim 1 , claim 1 , ) tapers from one current connection point () to another current connection point () claim 1 , ...

STATOR UNIT AND ELECTRIC ACTUATOR

The stator of the stator unit has a stator core in an annular shape along a circumferential direction, an insulator attached to the stator core, and coils attached to the stator core via the insulator. The bus bar unit of the stator unit has a bus bar holder for holding the bus bar on one side in an axial direction of the insulator. The bus bar has a terminal part extending closer to the one side in the axial direction than the bus bar holder and a coil connection part connected to a coil lead wire drawn from the coils to the one side in the axial direction. One of the bus bar holder and the insulator has claw parts protruding in the radial direction, and the other of them has a hooking part to which the claw parts are hooked and fixed in the axial direction. 1. A stator unit of a motor which has a motor shaft rotating with a central axis as a center and a rotor body fixed to the motor shaft , the stator unit comprising:a stator facing the rotor body in a radial direction with a gap therebetween; anda bus bar unit having a bus bar electrically connected to the stator, a stator core in an annular shape along a circumferential direction;', 'an insulator attached to the stator core; and', 'a plurality of coils attached to the stator core via the insulator,, 'wherein the stator has'}the bus bar unit has a bus bar holder for holding the bus bar on one side in an axial direction of the insulator, a terminal part extending closer to the one side in the axial direction than the bus bar holder; and', 'a coil connection part connected to a coil lead wire drawn from the coils to the one side in the axial direction,, 'the bus bar has'}one of the bus bar holder and the insulator has a claw part protruding in the radial direction, andthe other of the bus bar holder and the insulator has a hooking part to which the claw part is hooked and fixed in the axial direction.2. The stator unit according to claim 1 , wherein the stator core hasa core back part in an annular shape along the ...

STATOR OF ROTARY ELECTRIC MACHINE

A stator of a rotary electric machine comprises a stator core, a coil; and a plurality of bus bars. When viewed from a rotational axis direction of the rotary electric machine, the first terminal parts of the plurality of bus bars are arranged next to one another substantially in an upper and lower direction on the outside of the stator core in the radial direction, and the second terminal parts of the plurality of bus bars are arranged next to one another substantially in a horizontal direction above the stator core, and a first terminal part arranged on an uppermost side among the first terminal parts of the plurality of bus bars is arranged to be positioned below an uppermost part of the stator core. 1. A stator of a rotary electric machine comprising:a stator core;a coil attached to the stator core; anda plurality of bus bars which have first terminal parts which are provided in one end portions thereof and electrically connected to terminal parts of respective phases of the coil, and second terminal parts which are provided in the other end portions thereof and electrically connected to terminal parts of a power conversion device corresponding to respective phases of the coil, whereinwhen viewed from a rotational axis direction of the rotary electric machine,the first terminal parts of the plurality of bus bars are arranged next to one another substantially in an upper and lower direction on the outside of the stator core in the radial direction,the second terminal parts of the plurality of bus bars are arranged next to one another substantially in a horizontal direction above the stator core, anda first terminal part arranged on an uppermost side among the first terminal parts of the plurality of bus bars is arranged to be positioned below an uppermost part of the stator core.2. The stator of the rotary electric machine according to claim 1 , whereina first terminal part arranged on a lowermost side among the first terminal parts of the plurality of bus bars ...

Modified WYE Ring

Methods for replacing a Wye-ring of a wind turbine generator preferably, but not necessarily, in-situ are described along with a combination of three arcuate Wye-ring sections that when assembled comprise a Wye-ring. The method after gaining access to the Wye-ring typically comprises: removing all or most of the damaged Wye-ring; installing the replacement sections typically by welding or brazing them in place; insulating the new ring; installing new blocking; and adhesively securing the new blocking in place. 1. A replacement Wye-ring comprising in combination:a first arcuate section having an effective radius comprised of one or more strips electrically conductive ribbon, the first arcuate section including first and second ends with the respective ends including a radically outwardly extending first and second arms;a second arcuate section, having the effective radius comprised of one or more strips electrically conductive ribbon, the second arcuate section including third and fourth ends with the respective ends including a radically outwardly extending third and fourth arms; anda third arcuate section having the effective radius comprised of one or more strips electrically conductive ribbon, the third arcuate section including fifth and sixth ends with the respective ends including a radically outwardly extending fifth and sixth arms.2. The replacement Wye-ring combination of claim 1 , wherein the one or more strips of electrically conductive ribbon of the first claim 1 , second and third arcuate strip substantially comprise copper.3. The replacement Wye-ring combination of claim 1 , wherein the one or more strips of electrically conductive ribbon of the first claim 1 , second and third arcuate strip each comprise a single conductive ribbon.4. The replacement Wye-ring combination of claim 1 , wherein the one or more strips of electrically conductive ribbon of the first claim 1 , second and third arcuate strip each comprise two or three conductive ribbons nested ...

High power battery-powered system

An electrical combination, a motorized device system, a motor assembly, a battery pack, and operating methods. The combination may include an electrical device including a device housing, a load supported by the device housing, the load being operable to output at least about 1800 watts (W), and a device terminal electrically connected to the load; a battery pack including a pack housing, battery cells supported by the pack housing, the battery cells being electrically connected and having a nominal voltage of up to about 20 volts, and a pack terminal electrically connectable to the device terminal to transfer current between the battery pack and the electrical device; and a controller operable to control the transfer of current.

BRUSHLESS MOTOR FOR A POWER TOOL

A Brushless Direct-Current (BLDC) motor is provided for a power tool, including a stator, and a rotor pivotably arranged inside the stator. The rotor includes a rotor shaft, a rotor lamination stack mounted on the rotor shaft to rotate therewith, and at least one magnet. A bearing is mounted on the rotor shaft to support the rotor shaft. A mount is disposed adjacent the stator along a plane perpendicular to a longitudinal axis of the rotor shaft, the mount having a bearing support member intersecting the longitudinal axis of the rotor shaft and arranged to support the bearing therein. The mount further support hall sensors axially with respect to the rotor, the hall sensors arranged around a circumference of the bearing support to magnetically sense the at least one magnet. 1. A power tool comprising:a housing; a stator;', 'a rotor pivotably arranged inside the stator, the rotor having a rotor shaft, a rotor lamination stack mounted on the rotor shaft to rotate therewith, and at least one magnet;', 'a bearing mounted on the rotor shaft to support the rotor shaft; and', 'a mount disposed adjacent the stator along a plane perpendicular to a longitudinal axis of the rotor shaft, the mount having a bearing support member intersecting the longitudinal axis of the rotor shaft and arranged to support the bearing therein, the mount further supporting a plurality of hall sensors axially with respect to the rotor, the plurality of hall sensors arranged around a circumference of the bearing support to magnetically sense the at least one magnet., 'a Brushless Direct-Current (BLDC) motor housed inside the housing, the motor comprising2. The power tool of claim 1 , further comprising a circuit board mounted on the mount claim 1 , the plurality of hall sensors being mounted on the circuit board.3. The power tool of claim 2 , wherein the circuit board faces the rotor.4. The power tool of claim 2 , wherein the mount comprises a plurality of pins and the circuit board snaps onto the ...

TERMINAL ASSEMBLY AND MOTOR CONTAINING SAME

The present embodiment relates to a terminal assembly comprising: a power supply terminal module, which comprises a power supply terminal and a support part, the power supply terminal including a body part and an insertion part bent and extended from an end of the body part and the support part being coupled to the power supply terminal so as for the body part to penetrate therethrough; and a bus bar terminal module, which comprises a bus bar guide groove, in which the insertion part is inserted, and a bus bar terminal, which is placed in the bus bar guide groove and is in contact with the insertion part. 1. A terminal assembly , comprising:a terminal module including a body part, an insertion part extended from an end of the body part by being bent from the end of the body part, and a support part coupled to the terminal module so as for the body part to penetrate therethrough; anda bus bar module including a guide groove inserted by the insertion part, and a bus bar terminal arranged within the guide groove to be in contact with the insertion part.wherein the insertion part protrudes downward from the support part.2. The terminal assembly of claim 1 , wherein the insertion part includes a first extension part slantedly extended from the body part claim 1 , and a second extension part slantedly extended from the first extension part.3. The terminal assembly of claim 2 , wherein an end of the bus bar terminal is exposed upwards of the bus bar module claim 2 , and the bus bar terminal is simultaneously in contact with a surface of the first extension part and a surface of the second extension part.4. The terminal assembly of claim 2 , wherein the first extension part is vertically bent from the body part and the second extension part is vertically bent from the first extension part.5. The terminal assembly of claim 2 , wherein the second extension part includes claim 2 , on a surface opposite to the bus bar terminal claim 2 , a contact part protrusively formed on a ...

BUSBAR APPARATUS, MOTOR, AND METHOD OF MANUFACTURING BUSBAR APPARATUS

A busbar apparatus includes a busbar to be connected to an external device, and a holder to hold the busbar and made of an insulating material. The busbar includes a terminal portion to be connected to the external device, an intermediate portion continuous with the terminal portion, and a connection portion continuous with the intermediate portion. The intermediate portion includes an edge portion including portions extending along a first axis. The terminal portion extends from the edge portion. The connection portion extends from the edge portion away from the terminal portion. The terminal portion has a thickness direction extending along a second axis not parallel to the first axis. The connection portion has a thickness direction not parallel to the second axis. 1. A busbar apparatus comprising:a busbar to be connected to an external device; anda holder to hold the busbar and made of an insulating material; whereinthe busbar includes a terminal portion to be connected to the external device, an intermediate portion continuous with the terminal portion, and a connection portion continuous with the intermediate portion;the intermediate portion includes an edge portion including portions extending along a first axis;the terminal portion extends from the edge portion;the connection portion extends from the edge portion away from the terminal portion;the terminal portion has a thickness direction extending along a second axis not parallel to the first axis; andthe connection portion has a thickness direction not parallel to the second axis.2. The busbar apparatus according to claim 1 , wherein the intermediate portion includes a first intermediate portion continuous with the terminal portion claim 1 , and a second intermediate portion continuous with the connection portion claim 1 , and further includes at least one bent boundary portion between the first intermediate portion and the second intermediate portion.3. The busbar apparatus according to claim 1 , ...

MOTOR

A motor includes a rotor including a shaft centered on a vertically extending center axis, a stator radially opposite to the rotor and including coils, a bearing supporting the shaft, and a bus bar assembly on an upper side in an axial direction of the stator. The bus bar assembly includes bus bars including a terminal portion connected to a lead wire drawn out from the coil and a bus bar holder holding the bus bars. The terminal portion includes a slit which extends axially downward and into which the lead wire is fitted. The width of the slit is narrower than the diameter of the lead wire. 1. A motor , comprising:a rotor including a shaft centered on a vertically extending center axis;a stator radially opposite to the rotor and including a plurality of coils;a bearing supporting the shaft;a bus bar assembly on an upper side of the stator in an axial direction; anda housing surrounding and fixing the stator; whereinthe bus bar assembly includes a bus bar holder holding a plurality of bus bars;the stator includes a terminal portion connected to a lead wire drawn out from one of the plurality of coils;the terminal portion includes a slit which extends axially and into which the lead wire is fitted; anda width of the slit is narrower than a diameter of the lead wire;the bus bar holder includes a protrusion protruding radially outside;the housing includes a recess portion recessed radially outward or a radially penetrating hole portion or notch portion; andat least a portion of the protrusion is fitted into the recess portion, the hole portion, or the notch portion.2. The motor according to claim 1 , whereinthe housing includes a flange extending radially outward; anda lower surface of the protrusion is in contact with an upper surface of the flange.3. The motor according to claim 1 , whereinthe stator includes an annular stator core; andthe bus bar holder is in contact with an upper surface of the stator core.4. The motor according to claim 3 , whereinthe housing ...

Rotor for a Synchronous Generator

The invention concerns a rotor for a synchronous generator having a plurality of salient poles regularly disposed on the outer periphery of a rim, each pole comprising a coil with two external terminals said, respectively, first terminal and second terminal, the poles being arranged so that two adjacent poles have either their respective first terminals or their respective second terminals facing each other, the rotor further comprising at least a first connection between first terminals and/or at least a second connection between second terminals, the rotor being characterized in that the first connection and the second connection comprises a plurality of elongated conductive plates whose each ends (A, B) are secured via a single securing mean on facing terminals.

ELECTRIC BRAKE MOTOR UNIT

The electric brake motor unit has: a motor; a connector having a connector terminal; a first section extending in a first direction and having a first contact portion electrically connected to the connector terminal; a second section extending in the first direction and having a second contact portion electrically connected to a motor terminal; and an intermediate section extending in a second direction intersecting with the first direction between the first section and the second section. The electric brake motor unit is provided with: a bus bar in which the first section, the intermediate section, and the second section are connected in a crank shape; and a motor bracket mounted on the motor and having two positioning portions that are mutually separately positioned with a space through which the intermediate section passes and are used for positioning the intermediate section in the first direction. 1. An electric brake motor unit comprising:a motor serving as a power source including a motor terminal and being configured to drive a brake operation speed reduction mechanism;a connector having a connector terminal;a bus bar that includes a first section including a first contact portion extending in a first direction and electrically connected to the connector terminal, a second section including a second contact portion extending in the first direction and electrically connected to the motor terminal, and an intermediate section extending in a second direction intersecting the first direction between the first section and the second section, the first section, the intermediate section, and the second section being connected to a crank shape; anda motor bracket mounted on the motor and including two positioning portions located away from each other with a gap through which the intermediate section passes and configured to position the intermediate section in the first direction.2. The electric brake motor unit according to claim 1 , wherein the bus bar is in ...

INVERTER DRIVE SYSTEM, BUS BAR AND ASSEMBLY

An inverter drive assembly includes a first array of inverters, a second array of inverters spaced from the first array of inverters and defining a plenum therebetween, and a crossover bus bar spanning the plenum and electrically connecting the first array of inverters to the second array of inverters. The crossover bus bar includes a first laminated bus section electrically connected to the first array of inverters, a second laminated bus section electrically connected to the second array of inverters, and a solid bus connection interconnecting the first laminated bus section with the second laminated bus section. 1. An inverter drive assembly , comprising:at least one first inverter;at least one second inverter spaced from the at least one first inverter and defining a plenum therebetween; anda crossover bus bar spanning the plenum and electrically connecting the at least one first inverter to the at least one second inverter, the crossover bus bar including a first laminated bus section electrically connected to the at least one first inverter, a second laminated bus section electrically connected to the at least one second inverter, and a solid bus connection interconnecting the first laminated bus section with the second laminated bus section,wherein the at least one first inverter and the at least one second inverter are configured to drive one or more electrical loads.2. The inverter drive assembly of claim 1 , wherein:the solid bus connection includes a positive interconnecting bus bar and a negative interconnecting bus bar both extending between the first laminated bus section and the second laminated bus section.3. The inverter drive assembly of claim 2 , further comprising:a first horizontal bus bar coupled to a distal end of the first laminated bus section and a second horizontal bus bar coupled to a distal end of the second laminated bus section.4. The inverter drive assembly of claim 3 , further comprising:a first capacitor bank electrically connected ...

Electric machine

The present invention provides an electric machine with a stator ( 1 ) and a rotor ( 21 ) mounted movable relative to the stator, wherein the stator comprises a plurality of slots ( 2 ) for receiving a stator winding. Exactly one conductor portion ( 3 ) of the stator winding is inserted into each slot. The conductor portions ( 3 ) are short-circuited with one another in a short-circuiting element on a first side ( 5 ) of the stator and are integrally formed with said short-circuiting element. On a second side ( 6 ) of the stator, the conductor portions ( 3 ) are connected to in each case one terminal of a power supply unit ( 8 ) which supplies adequate phase currents.

STATOR MODULE AND MAGNETIC FIELD GENERATING STRUCTURE THEREOF

The disclosure provides a stator module and a magnetic field generating structure which includes a magnetizer and an electrically conducting pipe. The electrically conducting pipe is wound around the magnetizer and has a passage inside. The passage has an outlet and an inlet opposite to each other. The electrically conducting pipe has a current input portion and a current output portion. 1. A magnetic field generating structure , comprising:a magnetizer; andan electrically conducting pipe wound around the magnetizer and having a passage inside, the passage having an outlet and an inlet, and the electrically conducting pipe having a current input portion and a current output portion.2. The magnetic field generating structure according to claim 1 , further comprising a thermal conductive adhesive in thermal contact with the magnetizer and the electrically conducting pipe.3. The magnetic field generating structure according to claim 1 , further comprising at least two fluid pipelines claim 1 , one of the at least two fluid pipelines being connected to the outlet of the electrically conducting pipe claim 1 , and the other fluid pipeline being connected to the inlet of the electrically conducting pipe.4. The magnetic field generating structure according to claim 3 , further comprising two insulating pipes claim 3 , the outlet and the inlet of the electrically conducting pipe being respectively connected to the two fluid pipelines through the two insulating pipes.5. The magnetic field generating structure according to claim 1 , further comprising at least two fluid pipelines and a cooling system claim 1 , one of the at least two fluid pipelines being connected to the outlet of the electrically conducting pipe and the other one of the at least two fluid pipelines being connected to the inlet of the electrically conducting pipe claim 1 , and the cooling system being connected to the two of the at least two fluid pipelines.6. The magnetic field generating structure according ...

MOTOR

The present invention may provide a motor including a stator including coils, a rotor disposed inside the stator, and a busbar disposed above the stator, wherein the stator includes a first unit stator core and a second unit stator core, the coils include a first unit coil and a second unit coil, the busbar includes a body and a plurality of terminals connected to the coils of the stator, the plurality of terminals include first terminals and second terminals, the first unit coil is wound around the first unit stator core, the second unit coil is wound around the second unit stator core, one end of the first unit coil and one end of the second unit coil are connected to the first terminals, and the other end of the first unit coil and the other end of the second unit coil are connected to the second terminals.

BRUSHLESS MOTOR

To provide a brushless motor with a simple configuration, which has accomplished size reduction. 1. An inner rotor brushless motor including a rotor in a center of a cylindrical stator , the brushless motor comprising:three bus bars on one end side of the stator in an axial direction thereof, the bus bars connecting three phase coils provided to the stator on a phase-by-phase basis;a bottomed tubular connector portion adjacent to a housing that houses the stator and the rotor;a plurality of connector terminals fixed, penetrating a bottom portion of the connector portion, the plurality of connector terminals being exposed to an internal space of the connector portion; anda board stretching from the one end side of the stator in the axial direction to the bottom portion side of the connector portion, the board being configured to electrically connect an end of each of the bus bars and the penetrating connector terminal.2. The brushless motor according to claim 1 , further comprising a small case including the connector portion claim 1 , a tubular portion on the one end side of the stator in the axial direction claim 1 , and a coupling portion connecting the connector portion and the tubular portion claim 1 , as an integral whole claim 1 , whereineach of the bus bars has an arc shape as viewed in the axial direction of the stator, andthe board has a flush flat plate shape, and includes a ring portion superimposed on the bus bars as viewed in the axial direction, the ring portion being housed in the tubular portion.3. The brushless motor according to claim 2 , further comprising an insulating cover mounted on the small case housing the board from the one end side in the axial direction claim 2 , whereinthe cover includes a hole portion through which a shaft that rotates together with the rotor in an integrated manner is inserted,each of the tubular portion and the ring portion includes a circular hole portion in a center thereof, andall of diameters of the hole portions ...

MOTOR

The present invention may provide a motor including a shaft, a rotor coupled to the shaft, a stator disposed outside the rotor, and a bus bar disposed on the stator, wherein the bus bar includes a terminal connected to a coil of the stator, the terminal includes a first terminal and a second terminal which are separated from each other in a circuit manner, the first terminal includes a first neutral terminal and a plurality of first phase terminals, the second terminal includes a second neutral terminal and a plurality of second phase terminals, first curvature centers of the plurality of first phase terminals are disposed to be different, second curvature centers of the plurality of second phase terminals are disposed to be different, and a position of a curvature center of the first neutral terminal is the same as a position of a curvature center of the second neutral terminal. 1. A motor comprising:a shaft;a rotor coupled to the shaft;a stator disposed outside the rotor; anda bus bar disposed on the stator,wherein the bus bar includes a terminal connected to a coil of the stator,the terminal includes a first terminal and a second terminal which are separated from each other in a circuit manner,the first terminal includes a first neutral terminal and a plurality of first phase terminals,the second terminal includes a second neutral terminal and a plurality of second phase terminals,first curvature centers of the plurality of first phase terminals are disposed to be different,second curvature centers of the plurality of second phase terminals are disposed to be different, anda position of a curvature center of the first neutral terminal is the same as a position of a curvature center of the second neutral terminal.2. The motor of claim 1 , wherein a position of the first curvature center is different from a position of the second curvature center.3. The motor of claim 1 , wherein claim 1 , when a virtual line passing through the curvature center of the first ...

ONE BODY TYPE TERMINAL ASSEMBLY OF DRIVING MOTOR FOR VEHICLE AND MANUFACTURING METHOD THEREOF

Provided are a one body type terminal assembly of a driving motor for a vehicle and a manufacturing method thereof, the one body type terminal assembly including a bus bar assembly including a plurality of ring-shaped bus bars overlapping each other, each of which is primarily insert-injection-molded and of which an outer surface is surrounded with an insulating material; and flanges which are simultaneously insert-injection-molded with the bus bar assembly to be formed to protrude from an outer circumferential surface of the bus bar assembly at intervals when the bus bar assembly is secondarily insert-injection-molded. 1. A terminal assembly of a driving motor for a vehicle , the terminal assembly comprising:a bus bar assembly including a plurality of ring-shaped bus bars overlapping each other, each of which is primarily insert-injection-molded and of which an outer surface is surrounded with an insulating material; andflanges which are simultaneously insert-injection-molded with the bus bar assembly to be formed to protrude from an outer circumferential surface of the bus bar assembly at intervals when the bus bar assembly is secondarily insert-injection-molded.2. The terminal assembly of claim 1 , wherein each of the bus bars are formed by being primarily insert-injection-molded after a plurality of bus bar unit bodies forming an arc are mutually welded.3. The terminal assembly of claim 2 , wherein a plurality of coupling grooves are provided in an upper end and a lower end of each of the bus bars in a circumferential direction.4. The terminal assembly of claim 3 , wherein the coupling groove is located at a welding seam of the bus bar unit body.5. The terminal assembly of claim 4 , wherein claim 4 , when the bus bar is primarily injection molded claim 4 , the welding seam is pressurized by being in contact with a mold so as to not be affected by an injection pressure.6. The terminal assembly of claim 3 , wherein the bus bar is provided with a coupling ...

Pole tooth module for an electric machine, active part comprising a pole tooth module, and electric machine

A pole tooth module for an electric machine is provided. The pole tooth module includes a pole tooth with a pole shoe and a pole head, a coil arranged around a circumferential surface of the pole tooth between the pole shoe and the pole head, and an insulation body enclosing the pole tooth and designed to electrically insulate the pole tooth from the coil. To enclose the pole tooth, the insulation body has a central piece, a first frame element and a second frame element. The central piece is arranged between the coil and the circumferential surface and at least partially surrounds the circumferential surface of the pole tooth. The first frame element adjoins a side of the central piece, which side faces the pole head. The second frame element adjoins an opposite side of the central piece, which opposite side faces the pole shoe, and encloses the pole shoe.

A BUSBAR UNIT FOR AN ELECTRIC MOTOR

A busbar unit for an electric motor may include a busbar holder at least a portion of which is made of an electrically insulating material, and at least one busbar mounted on the busbar holder. The busbar may include a base portion extending along a mounting surface of the busbar holder, at least one coil connection terminal portion to be electrically connected to a coil of the electric motor, and a power source connection terminal portion to be electrically connected to a power source. The power source connection terminal portion may extend from the base portion and at least a portion of the base portion may include a resilient member allowing displacement of the power source connection terminal portion towards the busbar holder. 130-. (canceled)31. A busbar unit for an electric motor , the busbar unit comprising:a busbar holder at least a portion of which is made of an electrically insulating material; and a base portion extending along a mounting surface of the busbar holder;', 'at least one coil connection terminal portion to be electrically connected to a coil of the electric motor; and', 'a power source connection terminal portion to be electrically connected to a power source; wherein, 'at least one busbar mounted on the busbar holder, the at least one busbar comprisingthe power source connection terminal portion extends from the base portion and at least a portion of the base portion includes a resilient member to allow a displacement of the power source connection terminal portion towards the busbar holder.32. The busbar unit of claim 31 , further comprising:at least one stopper to limit the displacement of the power source connection terminal portion towards the busbar holder.33. The busbar unit of claim 31 , whereinthe busbar holder includes a busbar contacting surface and a recessed surface which is recessed with respect to the busbar contacting surface;the resilient member includes a first section on the busbar contacting surface and a second section ...

Axial Gap Rotary Electric Machine

To reduce an axial voltage while securing a high output, high efficiency, and assemblability of an axial gap rotary electric machine. An axial gap rotary electric machine includes: a stator, formed by arranging a plurality of core members circularly about a shaft in a direction in which magnetic lines are parallel with the shaft, the core member having at least an iron core and a coil wound around an outer circumference of the iron core; at least one rotor facing the stator with a predetermined air gap interposed therebetween in a shaft axial direction; and a housing having an inner circumferential surface opposing the stator and the rotor in a radial direction. The axial gap rotary electric machine further includes a wiring board that has: a bus portion continuous in the circumferential direction; a coil connection portion protruding from the bus portion and connected to the coil; and an external connection portion protruding from the bus portion. The wiring board is arranged at an outer circumferential side of the plurality of circularly-arranged iron cores. 1. An axial gap rotary electric machine comprising:a stator, formed by arranging a plurality of core members circularly about a shaft in a direction in which magnetic lines are parallel with the shaft, the core member having at least an iron core and a coil wound around an outer circumference of the iron core;at least one rotor facing the stator with a predetermined air gap interposed therebetween in a shaft axial direction; anda housing having an inner circumferential surface opposing the stator and the rotor in a radial direction,the axial gap rotary electric machine further comprising a wiring board that has: a bus portion continuous in the circumferential direction; a coil connection portion protruding from the bus portion and connected to the coil; and an external connection portion protruding from the bus portion,wherein the wiring board is arranged at an outer circumferential side of the plurality of ...

BUS BAR UNIT AND MOTOR

A bus bar unit includes a bus bar holder, a U-phase bus bar group, a V-phase bus bar group, and a W-phase bus bar group each including a first layer bus bar located on one side of the bus bar holder in an axial direction and extending along a plane perpendicular to the axial direction, a second layer bus bar located on one side of the first layer bus bar in the axial direction and extending along the plane perpendicular to the axial direction, and an external connection terminal connected to the first layer bus bar and the second layer bus bar and extending from the first layer bus bar and the second layer bus bar toward one side in the axial direction. The first and second layer bus bars of each of the U-phase bus bar group, the V-phase bus bar group, and the W-phase bus bar group extend to opposite sides from each other in a circumferential direction from the external connection terminal connected thereto. 113-. (canceled)14. A bus bar unit that is provided in a motor , the bus bar unit comprising:a bus bar holder provided on one side in an axial direction of a stator disposed in an annular shape around a central axis extending in a vertical direction; anda U-phase bus bar group, a V-phase bus bar group, and a W-phase bus bar group, which are fixed to the bus bar holder; whereineach of the U-phase bus bar group, the V-phase bus bar group, and the W-phase bus bar group includes a first layer bus bar located on one side of the bus bar holder in the axial direction and extending along a plane perpendicular to the axial direction, a second layer bus bar located on one side of the first layer bus bar in the axial direction and extending along the plane perpendicular to the axial direction, and an external connection terminal connected to the first layer bus bar and the second layer bus bar and extending from the first layer bus bar and the second layer bus bar toward one side in the axial direction;the first layer bus bar and the second layer bus bar are connected to ...

BUS BAR UNIT AND MOTOR

A bus bar unit includes a bus bar holder provided on one side in an axial direction of a stator disposed in an annular shape around a central axis extending in a vertical direction, a bus bar extending along a plane perpendicular to the axial direction and fixed to the bus bar holder, and an external connection terminal connected to the bus bar and extending upward from the bus bar. The bus bar includes a wire and a terminal connector located on one end thereof and connected to the external connection terminal, and a lead wire connector located on the other end thereof and connected to a lead wire extending from the stator. The lead wire connector is U-shaped or substantially U-shaped. The lead wire connector includes a first end located on the external connection terminal side and a second end located on the opposite side of the first end. The second end includes an extension extending in a direction away from an opening of the lead wire connector. 16-. (canceled)7. A bus bar unit which is provided in a motor , the bus bar unit comprising:a bus bar holder provided on one side in an axial direction of a stator disposed in an annular shape around a central axis extending in a vertical direction;a bus bar extending along a plane perpendicular to the axial direction and fixed to the bus bar holder; andan external connection terminal connected to the bus bar and extending upward from the bus bar; wherein the bus bar includes a wire and a terminal connector located on one end thereof and connected to the external connection terminal, and a lead wire connector located on the other end thereof and connected to a lead wire extending from the stator;the lead wire connector is U-shaped or substantially U-shaped;the lead wire connector includes a first end located on the external connection terminal side and a second end located on the opposite side of the first end; andthe second end includes an extension extending in a direction away from an opening of the lead wire ...

BUS BAR UNIT AND MOTOR

A bus bar unit includes a bus bar holder, a bus bar extending in a direction perpendicular to an axial direction and fixed to the bus bar holder, and an external connection terminal connected to the bus bar and extending to one side in the axial direction from the bus bar. The external connection terminal has a plate shape. The external connection terminal includes a first plate portion extending toward one side in the axial direction and a second plate portion that is positioned on a base end side of the first plate portion, is provided with a connection portion connected to the bus bar, and faces a direction different from the first plate portion. The first plate portion and the second plate portion are connected to each other in a bending line extending in the axial direction, and the second plate portion extends from one surface side to the other surface side of the first plate portion when viewed in the axial direction. 18-. (canceled)9. A bus bar unit that is provided in a motor , the bus bar unit comprising:a bus bar holder provided on one side in an axial direction of a stator disposed in an annular shape around a central axis extending in a vertical direction;a bus bar extending in a direction perpendicular to the axial direction and fixed to the bus bar holder; andan external connection terminal connected to the bus bar and extending to one side in the axial direction from the bus bar; whereinthe external connection terminal has a plate shape, and includes a first plate portion extending toward one side in the axial direction, and a second plate portion that is positioned on a base end side of the first plate portion, is provided with a connection portion connected to the bus bar, and faces a direction different from the first plate portion;the first plate portion and the second plate portion are connected to each other in a bending line extending in the axial direction; andthe second plate portion extends from one surface side to the other surface side of ...

MOTOR AND ELECTRIC POWER STEERING APPARATUS

A motor includes a rotor, a stator surrounding an outer side of the rotor in a radial direction and including a coil, and a bus bar of a wire electrically connected to the coil and having conductivity, wherein the stator is provided with a hole extending in an axial direction, the bus bar includes stretched portions extending in the axial direction, and each of the stretched portions is disposed in the hole. 111-. (canceled).12. A motor comprising:a rotor;a stator surrounding an outer side of the rotor in a radial direction and including a coil; anda bus bar of a wire electrically connected to the coil and having conductivity; whereinthe stator is provided with a hole extending in an axial direction;the bus bar includes a stretched portion extending in the axial direction; andthe stretched portion is disposed in the hole.13. The motor of claim 12 , whereinthe stator includes a stator core including a core back having an annular shape and a plurality of teeth extending inwardly in a radial direction from the core back, and an insulator having an insulation property and covering at least a portion of the stator core; andthe hole is located in the insulator.14. The motor of claim 13 , wherein the hole is located on an outer side of each of the teeth in the radial direction.15. The motor of claim 13 , whereinthe stator core includes a split core that is split in a circumferential direction;the insulator includes a split body provided on each split core; andthe hole is located in each of the split bodies.16. The motor of claim 15 , wherein two of the hole are provided in each of the split bodies.17. The motor of claim 12 , whereinthe bus bar includes a coil connection portion connected to the coil; andthe coil connection portion has a U-shape recessed outwardly or inwardly in the radial direction.18. The motor of claim 17 , wherein the coil connection portion is recessed inwardly in the radial direction.19. The motor of claim 17 , wherein the bus bar includes the ...

MOTOR DRIVE APPARATUS HAVING ELECTRIC POWER FLOWING INTO/OUT OF POWER DEVICE THROUGH BUS BAR

A motor drive apparatus includes: a power device constituting a portion of a power conversion circuit for generating electric power for driving a motor and having input/output terminals; a printed wiring board having a hole; a bus bar connected to both of the power device and the printed wiring board, wherein the bus bar includes a first plate-like connector portion to be fixed to the input/output terminal, a second connector portion to be connected to the printed wiring board, and an extension portion extending between the first connector portion and the second connector portion that will pass through the hole. 1. A motor drive apparatus , comprising:a power device constituting a portion of a power conversion circuit for generating electric power for driving a motor and having input/output terminals;a printed wiring board having a hole; anda bus bar connected to both of the power device and the printed wiring board,wherein the bus bar includes:a first plate-like connector portion to be fixed to the input/output terminal;a second connector portion to be connected to the printed wiring board; andan extension portion extending between the first connector portion and the second connector portion that will pass through the hole.2. The motor drive apparatus according to claim 1 , wherein the extension portion extends in a direction that intersects with both of the first connector portion and the second connector portion.3. The motor drive apparatus according to claim 2 , the bus bar has a stepped structure formed by the first connector portion claim 2 , the extension portion claim 2 , and the second connector portion.4. The motor drive apparatus according to claim 1 , further comprising a conductive support block mounted on the printed wiring board and located between the second connector portion and the printed wiring board.5. The motor drive apparatus according to claim 4 ,wherein the conductive support block includes:a hole for inserting a screw configured to fasten ...

ELECTRICAL CONNECTION DEVICE FOR ROTATING ELECTRICAL MACHINE

One aspect of the invention relates to an electrical connection device comprising: an internal connection member surrounding an axis X having a plot, and a plurality of connectors; a first external connection member surrounding the axis X and being stacked axially with the internal connection member, comprising a plot, and a plurality of connectors; the device being characterized in that each plot has a wavy shape forming troughs comprising internal troughs situated facing the axis X and external troughs situated on an external periphery, each connector of the internal connection member being connected in an internal trough of the plot of the internal connection member and each connector of the first external connection member being electrically connected in an external trough of the plot of the first external connection member. 2. The electrical connection device according to claim 1 , wherein each track has an undulated ring shape.3. The electrical connection device according to claim 1 , wherein the tracks are identical.4. The electrical connection device according to claim 1 , further comprising:a second external connection member surrounding the axis X and being stacked axially with the first external connection member;a third external connection member surrounding the axis X and being stacked axially with the second external connection member.5. The electrical connection device according to claim 4 , wherein the external connection members are identical and angularly offset with respect to each other in such a way that each connector of an external connection member is situated axially opposite the external troughs exempt of connectors of the other external connection members.6. The electrical connection device according to claim 4 , wherein each external connection member comprises an output connector configured to be connected to an electrical equipment claim 4 , for example a converter claim 4 , and the external connection members are arranged one on the ...

Coil unit and method of manufacturing coil unit

A coil unit and a manufacturing method of the same are provided which simplify the connection structure at the end portion of a coil to reduce the size of a stator, and minimize the work environment (equipment and work regions) when mounting the coil on the stator, and make it possible to perform efficient mounting work. A terminals-welded coil unit includes a coil made of a first metal material, and a terminal made of a second metal material connected to an end portion of the coil. A welded portion between the end portion of the coil and the terminal is configured by pressure welding with end surfaces butted against each other.

IMPROVEMENTS RELATING TO ELECTRICAL GENERATORS IN WIND TURBINES

The invention relates to a generator for a wind turbine comprising a housing of substantially cuboidal form within which is mounted a stator. The stator has one or more multi-phase windings and a bus ring is provided for conveying electrical power from the windings to power take-off modules. One end of the power take-off modules are connected to the bus ring, and the other end of the modules have a plurality power take-off interfaces for connection to power take-off cables. The distal ends of the power take-off modules are located in the corners of the cuboidal generator housing. 1. A generator for a wind turbine having a central axis , the generator comprising:a housing of substantially cuboidal form;a stator mounted within the housing, the stator comprising one or more multi-phase windings; anda bus ring for conveying electrical power from the one or more multi-phase windings to one or more power take-off modules; wherein the or each power take-off module comprises a proximal end portion in electrical communication with the bus ring, and a distal end portion comprising a plurality of power take-off interfaces, wherein the distal end portion of the or each power take-off module is located substantially within a corner of the housing.2. The generator for a wind turbine according to claim 1 , wherein the distal end portion of the or each power take-off module is configured so that at least some of the power take-off interfaces are offset from one another in at least two directions selected from a group comprising:an axial direction with respect to the central axis of the generator;a radial direction with respect to the central axis of the generator; anda circumferential direction with respect to the central axis of the generator.324. The generator () for a wind turbine according to claim 1 , wherein the or each power take-off module comprises a plurality of power take-off tabs claim 1 , each power take-off tab having a proximal end portion in electrical communication ...

STATOR

A stator for a rotary electric machine includes a stator core, a stator winding, a power bus bar, and a neutral bus bar. The stator core includes slots. The stator winding includes segment conductors inserted in the slots. The stator winding includes a power point and a neutral point. The power bus bar includes a bus bar end portion welded to a joint end portion of the segment conductor constituting the power point. The neutral bus bar includes a bus bar end portion welded to a joint end portion of the segment conductor constituting the neutral point. One or each of the respective bus bar end portions of the power bus bar and the neutral bus bar is located on an inner side of the joint end portion of the segment conductor to which the one or each of the bus bar end portions is welded. 1. A stator for a rotary electric machine , the stator comprising:a stator core having a hollow cylindrical shape, the stator core including slots;a stator winding comprising segment conductors inserted in the slots, the stator winding comprising a power point and a neutral point that protrude from an end surface of the stator core;a power bus bar comprising a bus bar end portion welded to a joint end portion of one of the segment conductors that constitutes the power point of the stator winding; anda neutral bus bar comprising a bus bar end portion welded to a joint end portion of one of the segment conductors that constitutes the neutral point of the stator winding, whereinone or each of the bus bar end portion of the power bus bar and the bus bar end portion of the neutral bus bar is located on an inner side, in a radial direction of the stator core, of the joint end portion of one of the segment conductors to which the one or each of the bus bar end portion of the power bus bar and the bus bar end portion of the neutral bus bar is welded.2. The stator according to claim 1 , wherein inclined surface are formed respectively on respective corners of bus bar joint portions claim 1 , ...

MOTOR

A motor includes a stator having a stator core and a coil. The stator core has a plurality of teeth arranged at intervals in a circumferential direction. The coil is formed of an electrically-conductive winding wound around the teeth. Moreover, the motor also includes a rotor having magnets arranged in radial opposition to the stator core and at intervals in the circumferential direction. The rotor is configured to rotate upon supply of electric current to the coil. Furthermore, the motor also includes a sensor arranged in a circumferentially intermediate area between a circumferentially-adjacent pair of the teeth in an axial view. The sensor is configured to detect magnetism of the magnets. 1. A motor comprising:a stator including a stator core and a coil, the stator core having a plurality of teeth arranged at intervals in a circumferential direction, the coil being formed of an electrically-conductive winding wound around the teeth;a rotor having magnets arranged in radial opposition to the stator core and at intervals in the circumferential direction, the rotor being configured to rotate upon supply of electric current to the coil; anda sensor arranged in a circumferentially intermediate area between a circumferentially-adjacent pair of the teeth in an axial view, the sensor being configured to detect magnetism of the magnets.2. The motor as set forth in claim 1 , whereinthe sensor is arranged in an axially intermediate area between the circumferentially-adjacent pair of the teeth.3. The motor as set forth in claim 1 , whereinthe sensor is mounted to a circuit board that radially extends with its thickness direction coinciding with an axial direction, andthe circuit board is shaped such that the coil wound around each of the teeth is visible when the circuit board is viewed along the axial direction.4. The motor as set forth in claim 3 , whereinthe circuit board has a first extending portion that extends along radial ends of the teeth and a second extending ...

Modified Wye Ring

Methods for replacing a Wye-ring of a wind turbine generator preferably, but not necessarily, in-situ are described along with a combination of three arcuate Wye-ring sections that when assembled comprise a Wye-ring. The method after gaining access to the Wye-ring typically comprises: removing all or most of the damaged Wye-ring; installing the replacement sections typically by welding or brazing them in place; insulating the new ring; installing new blocking; and adhesively securing the new blocking in place. 1. A method of replacing a Wye-ring of a generator with a replacement Wye-ring , the method comprising:providing the replacement Wye-ring;dismantling the generator to gain access to the Wye ring with the generator being located in situ within the wind turbine;removing most of the annular ring of the Wye-ring with the generator being located in situ within the wind turbine;installing the replacement Wye ring in the generator with the generator being located in situ within the wind turbine; andreassembling the generator with the generator being located in situ within the wind turbine in situ within the wind turbine.2. The method of wherein: (1) a first arcuate section having an effective radius comprised of one or more strips electrically conductive ribbon, the first arcuate section including first and second ends,', '(2) a second arcuate section, having the effective radius comprised of one or more strips electrically conductive ribbon, the second arcuate section including third and fourth ends, and', '(3) a third arcuate section having the effective radius comprised of one or more strips electrically conductive ribbon, the third arcuate section including fifth and sixth ends;, '(a) the replacement Wye-ring comprises in combination'}(b) said removing most of the annular ring of the Wye-ring includes leaving most to substantially all of three radially extending cups in place; and(c) said installing the replacement Wye ring includes attaching each of the first, ...

Terminal unit of vehicle traction motor and method of manufacturing the same

A terminal unit of a vehicle traction motor includes a terminal mold, bus bars which are assembled and fixed in within the terminal mold, and insulation spacers which are alternately and sequentially inserted and assembled between the bus bars and have different diameters from each other.

ELECTRICAL CONNECTOR AND MOTOR HAVING THE SAME

An electrical connector for connecting a motor and a cable connector, includes an electrically insulating main body and a plurality of electrical terminals. The main body includes a front side and a rear side configured to be engaged with a corresponding cable connector. The front side of the main body includes a mounting portion, which is configured to be stably mounted on the seat, so that the electrical terminals can be placed in a stable connection with corresponding motor terminals. 1. An electrical connector for connecting a motor and a cable connector , wherein the motor comprises a seat in which a plurality of motor terminals is fixed , the electrical connector comprises:an electrically insulating main body, comprising a front side, and a rear side configured to be engaged with a corresponding cable connector; anda plurality of electrical terminals fixed by the main body, each of which comprising a front end protruded from the front side to connect corresponding motor terminal, and a rear end to connect corresponding end of the cable connector;wherein the front side of the main body comprises a mounting portion, which is configured to be stably mounted on the seat, so that the front ends of the electrical terminals can be placed in a stable connection with corresponding motor terminals.2. The electrical connector according to claim 1 , wherein the front end of each electrical terminal directly contacts the motor terminal without welding.3. The electrical connector according to claim 1 , wherein the rear side of the main body is a socket in which the rear ends of the electrical terminals located claim 1 , and the cable connector is a plug.4. The electrical connector according to claim 1 , wherein the mounting portion is substantially in a plate shape with two longitudinal grooves at two opposite sides thereof claim 1 , the seat has two corresponding guide rails and an opening therebetween.5. The electrical connector according to claim 1 , wherein the main ...

Circuitry Arrangement For An Electric Motor/Machine

An electric machine has a plurality of phases. A winding is associated with each phase. An interconnection arrangement includes an annular carrier element with a plurality of axial cutouts, each for passage of a portion of a winding and a plurality of concentrically arranged, hollow-cylindrical switching rings. Each switching ring is adapted to contact a winding. The carrier element and the switching rings are adapted to radially positively engage one inside the other in an axial contact zone. 1. An interconnection arrangement for an electric machine having a plurality of phases , wherein a winding is associated with each phase , the interconnection arrangement comprising:an annular carrier element having a plurality of axial cutouts, each of the plurality of axial cutouts configured for passage of a portion of a winding; anda plurality of concentrically arranged, hollow-cylindrical switching rings, each switching ring configured to contact a respective winding,wherein the annular carrier element and the switching rings are configured to radially positively engage one inside the other in an axial contact zone.2. The interconnection arrangement according to claim 1 , wherein the cutouts of the annular carrier element are configured to allow respective axial ends of hairpin windings to pass through.3. The interconnection arrangement according to claim 1 , wherein the annular carrier element has a plurality of axial grooves that extend claim 1 , respectively claim 1 , on a portion of a circumference of the annular carrier element claim 1 , and one of the switching rings has corresponding axial projections configured to engage in the grooves.4. The interconnection arrangement according to claim 3 , wherein respective grooves associated with radially adjacent switching rings are offset in a circumferential direction such that projections of the switching rings are free from radial overlap.5. The interconnection arrangement according to claim 4 , wherein the grooves are ...

Stator for a Multiphase Electric Motor and Method of Making

A stator for a multiphase electric motor includes a plurality of laminates stacked to form a cylindrical stator core having a plurality of longitudinal slots; a plurality of electrical conductors grouped into a plurality of discrete electrical circuits, each of the plurality of the electrical conductors forming a plurality of coils in the slots spaced about the stator core, and each of the coils having a pair of leads; a plurality of bus cables, each of the plurality of bus cables having a mechanical connection to the pluralities of coils at ends of the slots; and wherein one of the leads from each of the coils is electrically connected to one of the plurality of bus cables. 1. A stator for a multiphase electric motor , the stator comprising:a plurality of laminates stacked to form a cylindrical stator core having a plurality of longitudinal slots;a plurality of electrical conductors grouped into a plurality of discrete electrical circuits, each of the plurality of the electrical conductors forming a plurality of coils in the slots spaced about the stator core, and each of the coils having a pair of leads;a plurality of bus cables, each of the plurality of bus cables having a mechanical connection to the pluralities of coils at ends of the slots; andwherein one of the leads from each of the coils is electrically connected to one of the plurality of bus cables.2. The stator of claim 1 , wherein one of the plurality of bus cables is a ground bus cable claim 1 , and the ground bus cable is mechanically connected to the pluralities of windings at the end of the slots.3. The stator of claim 2 , wherein another of the pair of leads of each of the plurality of coils is attached to the ground bus cable to form a direct electrical connection therewith.4. The stator of claim 1 , wherein each of the coils includes a pair of leads claim 1 , and one of the pair leads of each coil is attached to one of the at least three bus cables to form a direct electrical connection therewith ...

ELECTRIC DEVICE

An electric device includes: a motor; a connector; an intermediate terminal electrically connecting the motor and the connector; and a holding plate holding the motor, the connector, and the intermediate terminal, wherein the motor is held on one side of the holding plate, the connector and the intermediate terminal are held on another side of the holding plate, the motor includes a coil terminal, the coil terminal is electrically connected to a coil of the motor and penetrates the holding plate from the one side to the another side, the connector includes a connector terminal, and the intermediate terminal is welded and electrically connected to the coil terminal and the connector terminal. 1. An electric device comprising:a motor;a connector;an intermediate terminal electrically connecting the motor and the connector; anda holding plate holding the motor, the connector, and the intermediate terminal,whereinthe motor is held on one side of the holding plate,the connector and the intermediate terminal are held on another side of the holding plate,the motor includes a coil terminal,the coil terminal is electrically connected to a coil of the motor and penetrates the holding plate from the one side to the another side,the connector includes a connector terminal, andthe intermediate terminal is welded and electrically connected to the coil terminal and the connector terminal.2. The electric device according to claim 1 , wherein a first end of the coil terminal and a first end of the intermediate terminal are welded to each other and stand up away from the holding plate.3. The electric device according to claim 1 , wherein a first end of the connector terminal and a second end of the intermediate terminal are welded to each other and stand up away from the holding plate.4. The electric device according to claim 2 ,whereinpairs of the intermediate terminals, the coil terminals, and the connector terminals are provided,the first end of the coil terminal and the first end ...

TERMINAL FOR STATOR

The first extending portion 26 overlaps the second extending portion 27 in a radial direction at one part in the circumferential direction and overlaps the third extending portion 28 in the radial direction at another part in the circumferential direction. The second extending portion 27 overlaps the first extending portion 26 in the radial direction at one part in the circumferential direction and overlaps the third extending portion 28 in the radial direction at another part in the circumferential direction. The third extending portion 28 overlaps the first extending portion 26 in the radial direction at one part in the circumferential direction and overlaps the second extending portion 27 in the radial direction at another part in the circumferential direction. 1. A terminal for a stator of a three-phase motor , the terminal comprising:a plurality of first welded portions welded to a coil wire of a first phase;a first extending portion to which the plurality of first welded portions is coupled, the first extending portion extending in an arc shape in a circumferential direction, the plurality of first welded portions being placed at an interval between each other in the circumferential direction;a plurality of second welded portions welded to a coil wire of a second phase;a second extending portion to which the plurality of second welded portions is coupled, the second extending portion extending in an arc shape in the circumferential direction, the plurality of second welded portions being placed at an interval between each other in the circumferential direction;a plurality of third welded portions welded to a coil wire of a third phase; anda third extending portion to which the plurality of third welded portions is coupled, the third extending portion extending in an arc shape in the circumferential direction, the plurality of third welded portions being placed at an interval between each other in the circumferential direction,whereinthe first extending portion ...

ELECTRICAL MACHINE AND METHOD FOR APPLYING AT LEAST ONE WINDING TO A WINDING SUPPORT OF AN ELECTRICAL MACHINE

An electrical machine with a winding support is provided, which comprises a cylindrical base body and support teeth projecting radially from the base body and has grooves bounded by the base body and in each case two of the support teeth, and at least one winding supported by the winding support, which winding is formed by conductively connected conductor sections, which are each guided through at least one of the grooves of the winding support and project beyond the winding support at the axial end faces of the winding support, wherein a clamping ring is arranged at both axial end faces of the winding support, which clamping ring forms support sections that each extend radially along a respective axial end face of a respective one of the support teeth and mechanically contact at least parts of the conductor sections guided through the grooves adjacent to the respective support tooth, wherein the respective support section contacts the axial end face of the respective support tooth in a contact region, which is spaced apart from the adjacent grooves. 1. An electrical machine , comprising:a winding support including a cylindrical base body, support teeth projecting radially from the base body, and grooves bounded by the base body and in each case two of the support teeth; andat least one winding supported by the winding support, which winding is formed by conductively connected conductor sections, which are each guided through at least one of the grooves of the winding support and project beyond the winding support at the axial end faces of the winding support,wherein a clamping ring is arranged at both axial end faces of the winding support, which clamping ring forms support sections that each extend radially along a respective axial end face of a respective one of the support teeth and mechanically contact at least parts of the conductor sections guided through the grooves adjacent to the respective support tooth, andwherein the respective support section contacts ...

MOTOR, VEHICLE POWER UNIT WITH MOTOR, GENERATOR, VEHICLE WHEEL BEARING WITH GENERATOR

Provided is a motor which includes a stator that can be received in a limited housing space and is capable of providing an increased output without increasing an axial length of the stator; a vehicle power unit including the motor; a generator; as well as a vehicle wheel bearing assembly with the generator. The motor generator includes: a stator including a stator core having an annular shape and stator coils wound around the stator core; and a rotor located opposite to the stator in a radial direction. Each of the stator coils includes coil ends that protrude with respect to an axial width of the stator core in an axial direction. A bus bar is connected to a wiring connection part at the coil ends, and the bus bar is disposed within an axial width of the stator core. 1. A motor comprising:a stator including a stator core having an annular shape and stator coils wound around the stator core; anda rotor located opposite to the stator in a radial direction of the motor, whereina bus bar is connected to the stator coils, andthe bus bar is disposed within an axial width of the stator core.2. The motor as claimed in claim 1 , wherein the motor is of an outer rotor type in which the rotor is located radially outward of the stator claim 1 , and the bus bar is disposed radially inward of the stator core.3. The motor as claimed in claim 1 , wherein the motor is of an inner rotor type in which the rotor is located radially inward of the stator claim 1 , and the bus bar is disposed radially outward of the stator core.4. A vehicle power unit comprising:a wheel bearing including a stationary ring and a rotary ring that includes a hub flange and is rotatably supported by the stationary ring through a rolling element, the hub flange being configured to be attached with a wheel and a brake rotor of a vehicle; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a motor according to which is attached to the wheel bearing, the stator being attached to the stationary ring, and the ...

STATOR DEVICE WITH INTERCONNECTION END DISK FOR AN ELECTRIC MOTOR AND USE OF THE STATOR DEVICE

A stator device with a plurality of windings, on a winding carrier, that electromotive interaction with a rotor. The windings are parallel to one another and to the center axis. The windings can be individually electrically contacted with winding terminals of a winding wire. The windings are assigned to at least two disk-shaped and/or ring-shaped electrically conductive interconnection rings so that they are electrically insulated from one another. The winding terminals are connected using the interconnection ring assigned to this terminal polarity (U; V; W) for external permanent common contact by welding hooks formed on the radial inner side on the interconnection ring. A ring-shaped deflection disk, with deflection pins, is provided in the axial direction on the interconnection end disk. 19.-. (canceled)10. A stator device for an electric motor comprisinga plurality of windings provided on a winding carrier, the plurality of windings formed for electromotive interaction with a rotor rotatably mounted around a center axis in relation to the winding carrier, the plurality of windings extend parallel to one another and to the center axis, and are arranged along a profile in the form of a circular arc,the plurality of windings are formed so they can be individually electrically contacted with winding terminals of a winding wire;the windings are assigned to at least two disk-shaped and/or ring-shaped electrically conductive interconnection rings in such a way that the windings are electrically insulated from one another, and are arranged along an axial direction of the center axis on the winding carrier;the winding terminals, with the same electrical terminal polarity (U; V; W) of the windings, are detachably connected using the interconnection ring assigned to the terminal polarity (U; V; W) for external permanent common contacting by welding hooks formed on the radial inner side on the interconnection ring, the interconnection rings are integrated into a hollow- ...

Insulating Tape, Use Thereof As Electrical Insulation For Electrical Machines, Electrical Insulation, And Method For Producing The Insulating Tape

An insulating tape in the form of a particle composite for an electrical insulating tape, use of such insulating tape as insulation, and the production of the insulating tape are disclosed. To produce the insulating tape, electrically insulating, platelet-shaped particles are connected by an electrically insulating binder to an electrical insulating material in the form of an at least partially porous insulating tape. The insulating tape may be windable on a conductor structure when wound under exerted tension force, namely without addition of a materially additionally impeding heat flow. A thermal conductivity which is greater relative to the prior art may help prevent heat accumulation and total failures, e.g., of main insulation.

STATOR FOR ELECTRIC MOTOR, ELECTRIC MOTOR, AND AIR CONDITIONER

A stator for an electric motor includes a substrate, sensor leads and power leads connected to the substrate, and a lead wiring part that retains the substrate and routes the sensor leads and the power leads. The substrate has a Hall IC that is a position detection circuit for a rotor mounted thereon, and a hole for inserting a terminal provided in a board-in connector formed therein. The substrate is retained only by the lead wiring part, and the sensor leads and the power leads are retained by the lead wiring part. 1. A stator for an electric motor comprising:a substrate;a lead connected to the substrate;a lead wiring part retaining the substrate and routing the lead;a first lead retaining part provided on the lead wiring part and fixing the leads; anda second lead retaining part provided at a position away from the lead wiring part and fixing the leads.2. The stator for an electric motor according to claim 1 , comprising a lead lead-out part leading out the leads retained by the first lead retaining part and the second lead retaining part claim 1 , whereinthe lead lead-out part is disposed at a position away from the lead wiring part and is disposed at a position away from a stator core.3. The stator for an electric motor according to claim 1 , wherein the first lead retaining part has a line-symmetric shape with respect to a centerline in a longitudinal direction of a surface that is in contact with the lead.4. The stator for an electric motor according to claim 1 , wherein the first lead retaining part has a line-symmetric shape with respect to a centerline in a lateral direction of a surface that is in contact with the lead.5. The stator for an electric motor according to claim 2 , wherein the lead lead-out part is disposed away from one axial end face of the stator core in an axial direction.6. (canceled)7. The stator for an electric motor according to claim 2 , wherein the lead lead-out part is disposed at a position away from the first lead retaining part.8 ...

BUSBAR UNIT FOR MOTOR

A busbar unit electrically connected to a motor comprising a stator around which a coil is wound includes: a first terminal including a first body and a first terminal part protruding from an upper portion of the first body and electrically connected to the coil; a first holder configured to support the first terminal such that the first terminal part is exposed to an outside of the busbar unit; and a second holder disposed on an upper portion of the first holder and configured to press the coil against the first terminal part. 1. A busbar unit electrically connected to a motor comprising a stator around which a coil is wound , the busbar unit comprising: a first body; and', 'a first terminal part protruding from an upper portion of the first body and electrically connected to the coil;, 'a first terminal comprisinga first holder configured to support the first terminal such that the first terminal part is exposed to an outside of the busbar unit; anda second holder disposed on an upper portion of the first holder and configured to press the coil against the first terminal part.2. The busbar unit of claim 1 , further comprising:a pressing protrusion configured to press the coil, and disposed on a lower surface of the second holder facing an upper surface of the first holder.3. The busbar unit of claim 1 , wherein the first terminal part further comprises:a terminal body protruding from the upper portion of the first body;a first terminal protrusion protruding from an upper portion of the terminal body; anda second terminal protrusion protruding from the upper portion of the terminal body and spaced apart from the first terminal protrusion, andwherein the first terminal protrusion and the second terminal protrusion cooperatively define a terminal groove configured to accommodate the coil.4. The busbar unit of claim 1 , wherein the first holder surrounds the first body claim 1 , and the first terminal part is exposed from the upper portion of the first holder.5. The ...

ELECTRIC MOTOR COOLING JACKET

Systems are provided for an electric motor housing. In one example, a system comprising a phase connection enclosure comprising a bus bar assembly sealed between a motor lead and a plurality of phase cable connections. The phase connection enclosure is integrally arranged within a cooling jacket of the electric motor housing. 1. An electric motor , comprising:a phase connection enclosure comprising a bus bar assembly sealed between a motor lead and a plurality of phase cable connections.2. The electric motor of claim 1 , wherein the bus bar assembly comprises a plurality of lugs.3. The electric motor of claim 1 , wherein a threaded lug connection is positioned within the phase connection enclosure.4. The electric motor of claim 1 , wherein the phase connection enclosure comprises a cubical or rectangular prism shape.5. The electric motor of claim 1 , wherein the bus bar assembly is in direct contact with a coolant channel of a coolant jacket housing of the electric motor.6. The electric motor of claim 5 , wherein the coolant jacket housing is arranged within an electric motor housing.7. The electric motor of claim 5 , wherein the coolant channel is in direct contact with a stator of the electric motor.8. An electric motor cooling jacket claim 5 , comprising:a coolant channel configured to flow coolant in a portion of a coolant jacket housing between a stator and a phase connection box, wherein the phase connection box is integrally arranged in the coolant jacket housing.9. The electric motor cooling jacket of claim 8 , wherein a bus bar assembly and a plurality of lug connections are arranged within the coolant jacket housing.10. The electric motor cooling jacket of claim 9 , wherein a seal is arranged between the bus bar assembly claim 9 , a motor lead claim 9 , and the phase connection box.11. The electric motor cooling jacket of claim 8 , wherein the phase connection box is integrated into a coolant jacket casting.12. The electric motor cooling jacket of claim 8 ...

Biased segmented dual radial gap brushless pmdc motor/generator

A multiple radial gap BLPMDC/BLPMAC motor/generator suitable for direct drive wind or other fluid medium driven turbines or other rotary machine application. Each rotor and stator segment are housed in a fixture having an intermediate interior ramp angularly inclined at an angle of from about 10° to about 80° to cause the rotor/stator segments to interact at the axis of rotation of the fluid medium driven rotating machine at the same angle.

Brushless motor system for power tools

A power tool is provided including a gear case having a spindle, a motor case connected to a rear end of the gear case along a longitudinal axis; a handle portion extending from a rear end of the motor case along the longitudinal axis; a motor housed inside the motor case; a fan in rotational connection with the motor; at least one air intake arranged at least one of the motor case or the handle portion near the rear end of the motor case; and a power module including power switches for driving the motor and a heat sink. The power module is housed in at least one of the motor case or the handle portion near the rear end of the motor case such that rotation of the fan causes air flow to enter through the air intake and flow near the heat sink and through the motor.

BUSBAR, MOTOR, AND POWER TRANSMISSION SYSTEM USING SAME

Disclosed in one embodiment is a busbar comprising: an insulating body; a plurality of neutral terminals arranged in the insulating body; and a plurality of first driving terminals, second driving terminals, and third driving terminals arranged in the insulating body, wherein the plurality of neutral terminals, first driving terminals, second driving terminals, and third driving terminals are electrically insulated, respectively, and the shape of the plurality of the first driving terminals, the second driving terminals, and the third driving terminals are the same. 1. A busbar comprising:an insulating body;a plurality of first driving terminals disposed on the insulating body;a plurality of second driving terminals disposed on the insulating body;a plurality of third driving terminals disposed on the insulating body; anda neutral terminal disposed on the insulating body,wherein a first end of the plurality of the first driving terminals, a first end of the plurality of the second driving terminals, and a first end of the plurality of the third driving terminals are disposed on a first virtual circle,wherein a second end of the plurality of the first driving terminals, a second end of the plurality of the second driving terminals, and a second end of the plurality of the third driving terminals are disposed on a second virtual circle,wherein a diameter of the second virtual circle is greater than a diameter of the first virtual circle, andwherein a center of the first virtual circle is identical to a center of the second virtual circle.2. The busbar of claim 1 , wherein the plurality of first driving terminals claim 1 , second driving terminals claim 1 , and third driving terminals have the same shape.3. The busbar of claim 1 , wherein the plurality of the first driving terminals claim 1 , the second driving terminals claim 1 , and the third driving terminals comprise:a body portion comprising the first end and the second end;connection portions connected to the ...

WINDING STRUCTURE FOR ELECTRIC MOTOR AND ELECTRIC MOTOR

Disclosed are a winding structure for an electric motor and an electric motor. The electric motor comprises an iron core () and a multi-phase winding structure (), wherein the iron core () is provided with a plurality of grooves () arranged in the circumferential direction, and one side of the iron core () is an inserting side, and the other side is a welding side; the multi-phase winding structure () is arranged in the plurality of grooves () of the iron core (), each phase of the winding structure () comprises N parallel winding sub-windings formed by a plurality of hairpin conductors of different shapes, and N is a positive even number; and the conductors, forming each phase of the winding structure (), of the same sub-winding are located on a non-adjacent conductor layer corresponding to the grooves ().

ROTATING ELECTRIC MACHINE AND ARMATURE

A rotating electric machine includes an armature and a busbar unit. The armature includes an annular armature core and a multi-phase armature coil wound on the armature core. The busbar unit is configured to connect winding end portions of the armature coil which are arranged apart from one another in a circumferential direction of the armature. Moreover, the busbar unit is fixed to a back yoke of the armature core by a plurality of pins.

MOTOR

The present disclosure relates to a motor including: a stator around which coils are wound; a terminal including a body disposed at one end of the stator, and terminal parts protruding from an inner peripheral surface of the body; a holder including a holder body configured to support the body, and a terminal holder part disposed on an inner peripheral surface of the holder body and configured to allow the terminal parts to be disposed thereon; and a support member configured to support the terminal holder part, thereby improving durability, stability, and reliability.

ELECTRICAL MACHINE WITH AN INTEGRATED MEASUREMENT PRINTED CIRCUIT BOARD

An electrical machine includes an interconnection assembly that creates contact for a stator of the electrical machine, a busbar that creates contact for the interconnection assembly, a measurement printed circuit board that is arranged perpendicularly to an axis of rotation of the electrical machine, on a side of the interconnection assembly that is averted from the stator, wherein a field sensor is arranged on the measurement printed circuit board, and a flux concentrator that engages around the busbar and the field sensor.

Brushless dc motor fan

A brushless DC motor fan is provided. The brushless DC motor fan includes a rotor and a stator module. The rotor has a shaft disposed on an inner side of the stator module and rotating relative to the stator module. The stator module has a coreless coil and a lead frame, wherein the lead frame includes six pins electrically connected to the coreless coil.

ROTATING ELECTRIC MACHINE

In the rotating electric machine, a first terminal and a second terminal extend from two of the slots and a third terminal extends from one of the slots, which is located between the two slots. The first terminal and the second terminal are connected to each other with use of a bus bar. The bus bar has: a first end portion to be connected to a distal end portion of the first terminal; a second end portion to be connected to a distal end portion of the second terminal; and an interconnecting portion configured to couple the first end portion and the second end portion to each other, which is arranged in the circumferential direction on the stator core side of the first end portion and the second end portion so as to pass on the slot side of the third terminal. 1. A rotating electric machine comprising a stator , a stator core having an annular shape, which has a plurality of slots formed in a circumferential direction of the stator core; and', 'a stator winding mounted to the stator core,, 'the stator includingwherein the stator winding includes a plurality of coils formed by distributed winding, each being made of a conductor that is insulation-coated, 2X (X is a natural number equal to or larger than 1) slot insertion portions inserted into the slots;', '(2X-1) turn portions configured to connect the 2X slot insertion portions alternately on one axial end side and another axial end side of the stator core to continuously couple the 2X slot insertion portions;', 'radially inner-side terminals, each extending from the slot insertion portion located at one end of the continuously coupled slot insertion portions; and', 'radially outer-side terminals, each extending from the slot insertion portion located at another end of the continuously coupled slot insertion portions,, 'wherein each of the plurality of coils includeswherein the radially inner-side terminals extend from radially innermost positions in the slots in a one-by-one manner,wherein the radially outer-side ...

POWER TOOL

A power tool () includes a motor () having a stator () and a rotor (). The stator () includes front and rear insulators () respectively disposed forward and rearward of a stator core () in an axial direction thereof. At least six coils () are respectively wound on the stator () such that the coils () are wound through the front and rear insulators (). Winding wires () respectively electrically connect circumferentially-adjacent pairs of the coils (). A short circuiting device () short circuits respective pairs of windings () that are located diagonally or diametrically across from one another. 120.-. (canceled)21. A power tool comprising:an integral tubular housing having an open end and a bottom, anda brushless motor housed in the integral tubular housing, the brushless motor including a stator and a rotor,wherein:the stator includes a stator core, an insulator fixed with respect to the stator core and a coil fixed with respect to the insulator,the rotor includes a rotor core, a magnet fixed with respect to the rotor core and a rotor shaft fixed with respect to the rotor core, andat least one terminal is electrically connected to the coil, fixed with respect to the insulator and disposed at the bottom of the integral tubular housing.22. The power tool according to claim 21 , wherein the stator core is disposed between the at least one terminal and the open end.23. The power tool according to claim 21 , wherein the bottom includes a plurality of through-openings.24. The power tool according to claim 21 , including:a sensor circuit board configured to sense rotation of the rotor,wherein the at least one terminal comprises a plurality of terminal located around a periphery of the sensor circuit board.25. The power tool according to claim 21 , including:a sensor circuit board configured to sense rotation of the rotor,wherein:the at least one terminal comprises a plurality of terminals mounted on a terminal support member, andthe sensor circuit board is located between ...

A METHOD FOR REPAIRING AN ELECTRIC GENERATOR

The invention relates to a method for repairing an electric generator, preferably in a wind turbine generator (WTG), the electric generator () having a stator and a rotor () rotatably mounted relative to the stator. The method of repairing the electric generator provides a rotor connecting ring () with a first conductor assembly and a second conductor assembly in two different planes, each assembly with a plurality of conductive arc segments. Each of the first and the second plurality of conductive arc segments form a ring-like shape in their respective plane, both ring-like shapes being concentrical to the central shaft () when the rotor connecting ring is mounted. First electrical connections () from the central shaft connect to the rotor connecting ring for the multiple phases (K,L,M). Second electrical connections () further connect from the rotor connecting ring to the respective windings of the multiple phases (K,L,M) on the exterior part of the rotor facing the stator. The rotor connecting ring enhances rotational and thermal stability of the electric generator. 1. A method for repairing an electric generator , preferably in a wind turbine generator , the electric generator comprising:a stator having windings that form multiple stator phases, anda rotor being rotatably mounted relative to the stator in the electric generator, the rotor having windings forming multiple rotor phases on the exterior part of the rotor facing the stator, the rotor having electrical pathways through a central shaft and outwards to the multiple phases,the method of repairing the electric generator comprising:providing a rotor connecting ring, the rotor connecting ring comprises a first conductor assembly and a second conductor assembly in two different planes, the first conductor assembly and the second conductor assembly having a first plurality and a second plurality, respectively, of conductive arc segments, each of the first and the second plurality of conductive arc segments ...

JOINING METHOD, JOINING BODY, STATOR FOR DYNAMO-ELECTRIC MACHINE, AND METHOD FOR MANUFACTURING STATOR FOR DYNAMO-ELECTRIC MACHINE

The present invention is provided with: an insulation holder formed of a thermoplastic resin material and having a first opening; a wire connection ring formed of a thermoplastic resin material and having a second opening; and a joining component inserted astride in the first opening and the second opening, the joining component being formed of a metal material having a higher melting point than those of the thermoplastic resin materials, the joining component having a higher stiffness than those of the insulation holder and the wire connection ring, wherein a welded part is formed by welding in at least a part of an area where each of the insulation holder and the wire connection ring has contact with the joining component. 1. A joining body comprising:a first resin component formed of a thermoplastic resin material and having a first opening;a second resin component formed of a thermoplastic resin material and having a second opening; anda joining component inserted astride in the first opening of the first resin component and the second opening of the second resin component, the joining component being formed of a metal material having a higher melting point than those of the thermoplastic resin materials, the joining component having a higher stiffness than those of the first resin component and the second resin component, wherein a pocket portion into which the joining component is not inserted is set at the lower end side of the first opening, anda welded part is formed by welding in at least a part of an area where each of the first resin component and the second resin component has contact with the joining component.2. The joining body according to claim 1 , whereinthe joining component has a recess/protrusion portion formed on a surface thereof, and the welded part is formed at the recess/protrusion portion.3. The joining body according to claim 2 , whereinthe recess/protrusion portion of the joining component is formed at both of parts of the joining ...

INTERCONNECTION ASSEMBLY AND STATOR FOR AN ELECTRICAL MACHINE

The present disclosure relates to an interconnection assembly for a stator of an electrical machine. The interconnection assembly comprises a shaped bus bar, which has a first region, which comprises a connection point of the interconnection assembly for an external connection, a second region, in which a connecting point for forming a connection of the bus bar to a stator winding is formed, and a central region, which connects the first region and the second region. The first region and the second region are arranged in parallel planes. The central region is oriented in such a way that an angle of a transition between the first region and the central region and an angle of a transition between the second region and the central region deviate from a right angle. The disclosure also relates to a stator having an interconnection assembly. 1. An interconnection arrangement for a stator of an electric machine , the interconnection arrangement comprising at least one shaped busbar , the shaped busbar comprising: a first zone , which has a connection point of the interconnection arrangement for an external connection; a second zone , in which a connecting point for forming a connection of the busbar to a stator winding is formed; and a middle zone , which connects the first zone and the second zone , wherein the middle zone is aligned such that a respective angle of a transition between the first zone and the middle zone and between the second zone and the middle zone deviates from a right angle.2. The interconnection arrangement as claimed in claim 1 , wherein the first zone and the second zone are arranged in parallel planes.3. The interconnection arrangement as claimed in claim 1 , wherein at least a sub-zone of the middle zone is aligned in a connecting plane claim 1 , wherein an angle between the connecting plane and a plane of the first zone deviates from a right angle.4. The interconnection arrangement as claimed in claim 1 , wherein the busbar has at least one ...

WIRING CONFIGURATION FOR A STATOR, TEMPERATURE SENSOR DEVICE, AND SYSTEM FOR DETECTING A TEMPERATURE

The disclosure relates to a wiring configuration for a stator of an electric machine. The wiring configuration comprises a busbar which forms a segment of a switching ring with an outer connection and a winding connection. Outer connection elements and winding connection elements are arranged in a wiring region. The wiring configuration additionally comprises a receiving element which is at least thermally coupled to the busbar. The receiving element is arranged outside of the wiring region. The disclosure additionally relates to a temperature sensor device for plugging onto the receiving element of the wiring configuration and to a system for detecting the temperature of a stator. 1. An interconnection arrangement for a stator of an electrical machine , the interconnection arrangement comprising: at least one busbar , which forms at least one segment of a connector ring with an external terminal and a winding terminal , wherein contact elements of the external terminal and of the winding terminal are arranged in an interconnection region formed in a circumferential direction of the connector ring segment , through which region a current path of the interconnection arrangement extends from the external terminal to the winding terminal; and a receiving element for a temperature sensor arranged outside the interconnection region on the connector ring segment , wherein the receiving element is coupled at least thermally with the connector ring segment.2. The interconnection arrangement as claimed in claim 1 , wherein the receiving element extends in the circumferential direction of the connector ring segment.3. The interconnection arrangement as claimed in claim 1 , wherein the receiving element extends in an axial and/or radial direction of the connector ring segment.4. The interconnection arrangement as claimed in claim 1 , wherein the receiving element has two receiving bars.5. The interconnection arrangement as claimed in one claim 1 , wherein the receiving element ...

Guide Ring for Connection to a Housing of an Electric Machine

Various embodiments include a guide ring for connection to a housing of an electric machine comprising: a main body having a ring element; a plurality of busbars; and a plurality of pressure elements. The busbars are overmolded by the main body. Each of the plurality of pressure elements projects from an outer circumferential surface of the main body and to frictionally connect the guide ring to an inner receiving surface of the housing. 1. A guide ring for connection to a housing of an electric machine , the guide ring comprising:a main body having a ring element;a plurality of busbars; anda plurality of pressure elements;whereinthe busbars are overmolded by the main body; andeach of the plurality of pressure elements projects from an outer circumferential surface of the main body and to frictionally connect the guide ring to an inner receiving surface of the housing.2. The guide ring as claimed in claim 1 , wherein:each of the plurality of pressure elements comprises a bending strap;the bending straps radially surround the main body in at least one region;the bending straps are secured on the outer circumferential surface of the main body;a respective wedge is arranged between the main body and each of the bending straps;the wedges press the bending straps radially outwards to increase a frictional force on the bending straps against the inner receiving surface of the housing.3. The guide ring as claimed in claim 2 , wherein:each bending strap forms two contact surfaces for contact with the inner receiving surface of the housing; andthe respective wedges are arranged centrally between the contact surfaces in the circumferential direction.4. The guide ring as claimed in claim 2 , wherein each wedge is connected integrally to the main body with a film hinge.5. The guide ring as claimed in claim 2 , wherein at least one of the wedges has a first outer toothing claim 2 , into which a first tongue of the main body can latch to fix the wedge in an axial relative ...

ELECTRIC ACTUATOR

An electric actuator includes a motor portion, a circuit board, a speed reduction mechanism, a busbar holder that holds a busbar, and a housing. The housing has a motor case and a compartmental wall. The compartmental wall has a through-hole which penetrates the compartmental wall in an axial direction. The busbar holder has a base portion and a projecting portion which projects from the base portion in the axial direction and is disposed in the through-hole. An end portion of the busbar at one side projects from the busbar holder toward one side in the axial direction and is connected to the circuit board, and an end portion of the busbar at the other side projects into the through-hole from a side surface of the projecting portion of the busbar holder and is connected to a coil of a stator. 1. An electric actuator comprising:a motor portion having a motor shaft which extends in an axial direction and a stator which is disposed at an outer side in a radial direction from the motor shaft;a circuit board that is positioned at one side in the axial direction of the motor portion;a speed reduction mechanism that is coupled to the other side of the motor shaft in the axial direction;a busbar that electrically connects the stator and the circuit board to each other;a busbar holder that holds the busbar; anda housing that accommodates the motor portion, the speed reduction mechanism, the circuit board, the busbar, and the busbar holder, a motor case that accommodates the stator in a tubular part which extends in the axial direction, and', 'a compartmental wall which is positioned between the motor case and the circuit board and expands in a direction intersecting with the axial direction,, 'wherein the housing has'}wherein the compartmental wall has a through-hole which penetrates the compartmental wall in the axial direction, a base portion being plate-shaped which expands in a direction intersecting with the axial direction, and', 'a projecting portion which projects ...

COIL FOR ROTARY ELECTRIC MACHINE AND INSERTION METHOD

A coil () for a rotary electric machine is annularly formed by twelve coil members (), each coil member () is configured of four coil elements (A) to (D), the coil elements (A) to (D) integrally include a plurality of sets of coil element structures each set of coil element structures including a pair of base portions (), and four arm portions () and two curl portions (), and the plurality of sets of coil element structures are annularly configured. 1. A coil for a rotary electric machine , annularly formed by a plurality of coil members , and inserted into a slot of an annular stator of the rotary electric machine ,wherein each of the plurality of coil members is configured of a plurality of coil elements,the plurality of coil elements integrally comprises a plurality of sets of coil element structures, each set of coil element structures including a first base portion and a second base portion inserted into the slot, extending in an axial direction of the coil and spaced in a circumferential direction of the coil, a first connecting portion connecting between one end portion of the first base portion and one end portion of the second base portion, and a second connecting portion extending from the other end portion of the second base portion,the plurality of sets of coil element structures is annularly configured by connecting the other end portion of the first base portion of one of each of the two sets of adjacent coil element structures in the plurality of sets of coil element structures, to the other end portion of the first base portion of the other coil element structure via the second connecting portion,the plurality of coil elements are arranged to overlap each other in a radial direction of the coil in each of the first base portion and the second base portion, and each of at least one of the plurality of coil elements is configured of a plurality of conducting wires, andthe plurality of conducting wires are arranged to be aligned along the ...

Capacitor module, inverter module, and motor unit

A capacitor module that smooths a voltage of an inverter circuit includes a supply assembly including a connection terminal to the inverter circuit, an alternating-current assembly including a capacitor and a first bus bar, and a direct-current assembly including a second bus bar connecting a DC power source and the supply assembly. The alternating-current assembly and the direct-current assembly are side by side in a plan view and one side view of the capacitor module, and are arranged with the side surfaces thereof opposing each other in an opposite side view. The supply assembly is located inside an outer peripheral region collectively surrounding both the alternating-current assembly and the direct-current assembly in the plan view.

LOW PRESSURE GENERATOR FOR GAS TURBINE ENGINE

A gas turbine engine and methods of operation include a low pressure electric motor-generator arranged for selective operation in a generator mode to generate electrical power or a drive mode to assist rotation of a low pressure drive shaft of the engine. 1. A system for use in an aircraft , the system comprising:an energy storage device; a fan configured to draw outside air into the engine,', 'a compressor coupled to the fan and configured to compress the received outside air,', 'a low pressure spool including a low pressure turbine rotor and a low pressure drive shaft that couples the low pressure turbine rotor to the fan,', 'a low pressure motor-generator coupled between the fan and the compressor to generate a flow of electric power from rotation of the low pressure turbine rotor and to drive rotation of the low pressure drive shaft,', 'a high pressure spool including a high pressure turbine rotor and a high pressure drive shaft that couples the high pressure turbine rotor to the compressor, and', 'a high pressure motor-generator coupled to an auxiliary shaft to generate a flow of electric power from rotation of the high pressure turbine rotor and to drive rotation of the high pressure drive shaft; and, 'a turbofan gas turbine engine including'}a power controller electrically coupled to control a flow of electric power between the engine, the energy storage device, and one or more electric power consumption devices of the aircraft, the power controller being configured to, in response to the high pressure spool and the low pressure spool operating in a steady state operating mode, control to distribute at least a portion of the flow of electric power generated by the low pressure motor-generator to each of the energy storage device and the one or more electric power consumption devices.2. The system of claim 1 , wherein operating in the steady state operating mode includes withholding providing electrically-driven force of rotation to the low pressure drive ...

ELECTRICAL SUB-ASSEMBLY

An electrical sub-assembly comprises a stator having a plurality of coils and a cooling means attached to the stator. The electrical sub-assembly further comprises a plurality of pairs of diodes attached to the cooling means, each pair of diodes being in antiparallel configuration and having three electrical terminals. One of the three electrical terminals is a common terminal shared by both diodes in each pair of diodes. A plurality of busbars electrically connect each of the diodes to at least one of the plurality of coils via one or more of the electrical terminals. In use, the cooling means is configured to simultaneously cool the stator and the plurality of diodes. The electrical sub-assembly may have particular application as a part of a switched reluctance machine. 1. An electrical sub-assembly comprising:a stator having a plurality of coils;cooling means attached to the stator;a plurality of pairs of diodes attached to the cooling means, each pair of diodes being in antiparallel configuration and having three electrical terminals, one of the three electrical terminals being a common terminal shared by both diodes in each pair of diodes; anda plurality of busbars electrically connecting each of the diodes to at least one of the plurality of coils via one or more of the electrical terminals,wherein the cooling means is configured to, in use, simultaneously cool the stator and the plurality of diodes.2. An electrical sub-assembly according to claim 1 , wherein one or more of the plurality of pairs of diodes are each formed as a single electrical component in which a single pair of diodes is packaged.3. An electrical sub-assembly according to claim 1 , wherein one or more of the plurality of pairs of diodes are together formed as a single electrical component in which multiple pairs of diodes are packaged.4. An electrical sub-assembly according to claim 3 , wherein at least two of the plurality of pairs of diodes are electrically connected to one another by an ...

A BUSBAR UNIT FOR A STATOR OF AN ELECTRIC MOTOR

A busbar unit for a stator of an electric motor may include a busbar holder at least a portion of which is made of an electrically insulating material and is to be positioned on an axial side of a stator, the busbar holder including a stator surface that is intended to face an axial side of a stator when the busbar holder is positioned on the axial side of the stator as intended, and at least one busbar mounted on the busbar holder. The at least one busbar may include a power source connection terminal to be electrically connected to a power source, and at least one coil connection terminal to be electrically connected to a coil of the stator and protruding beyond the stator surface of the busbar holder. 114-. (canceled)15. A busbar unit for a stator of an electric motor , the busbar unit comprising:a busbar holder at least a portion of which is made of an electrically insulating material and is to be positioned on an axial side of a stator, wherein the busbar holder includes a stator surface that is intended to face an axial side of a stator when the busbar holder is positioned on the axial side of the stator as intended; andat least one busbar mounted on the busbar holder, the at least one busbar including:a power source connection terminal to be electrically connected to a power source; andat least one coil connection terminal to be electrically connected to a coil of the stator and protruding beyond the stator surface of the busbar holder.16. The busbar unit of claim 15 , wherein the at least one coil connection terminal includes a crimp to be crimped around an end portion of a coil wire.17. The busbar unit of claim 16 , wherein the crimp is U-shaped or V-shaped and open at a leading end in a protrusion direction of the at least coil connection terminal.18. The busbar unit of claim 15 , wherein the power source connection terminal protrudes beyond the stator surface of the busbar holder.19. The busbar unit of claim 15 , wherein the at least one busbar includes a ...

ELECTRIC PUMP APPARATUS

An electric pump apparatus includes a motor, an inverter board, a coil support, a housing, and a pump portion driven by the motor. Coils include first end portions and second end portions drawn out from the coils, the first end portion and the second end portion defining both end portions of each of conducting wires of the coils. The inverter board is on a first axial side of the motor. The coil support includes a neutral point busbar that electrically connects the coils to one another. The coil support includes a first region including the first end portions arranged therein, each first end portion being directly connected to the inverter board, and a second region including the second end portions and the neutral point busbar arranged therein, each second end portion being connected to the neutral point busbar. 1. An electric pump apparatus comprising:a motor;an inverter board electrically connected to the motor;a coil support between the motor and the inverter board;a housing that houses the motor, the inverter board, and the coil support; and a rotor including a shaft that extends along a central axis; and', 'a stator radially opposite to the rotor;, 'a pump portion driven by power of the motor; wherein the motor includesthe stator includes a plurality of coils;the plurality of coils include first end portions and second end portions drawn out from the coils, the first end portion and the second end portion defining both end portions of each of conducting wires of the plurality of coils;the inverter board is on a first axial side of the motor;the coil support includes a neutral point busbar that electrically connects the plurality of coils to one another; and a first region including the first end portions disposed therein, each first end portion being directly connected to the inverter board; and', 'a second region including the second end portions and the neutral point busbar disposed therein, each second end portion being connected to the neutral point busbar ...

Terminal assembly for driving motor of vehicle

The present disclosure relates to a terminal assembly for a driving motor, which is provided in a driving motor including a core bobbin assembly, to which a core around which a coil is wound in a circumferential direction is mounted, a support ring which supports an outside of the core bobbin assembly, and a terminal assembly coupled to an upper portion of the support ring to fix a coupling terminal. The terminal assembly for a driving motor has a body formed in a circular shape in a plan view and formed in a stepped shape in a side sectional view. The body includes a bus bar fixing part, which is formed on an outer side thereof and allows a bus bar to be fixed thereto, and a terminal guiding part which is formed on an inner side thereof and partitions and guides terminals of the bus bar.