РЕАКТИВНЫЙ ЭЛЕКТРОДВИГАТЕЛЬ И СПОСОБ НАМОТКИ РЕАКТИВНОГО ЭЛЕКТРОДВИГАТЕЛЯ

Изобретение относится к области электротехники и касается особенностей конструктивного выполнения реактивных электродвигателей. Сущность изобретения состоит в том, что реактивный электродвигатель (1) с ротором (2) и статором (4), содержащим отдельные, охватывающие обматываемые сердечники (20) сердечника (8) статора статорные катушки (3), образованные статорными обмотками (38), а промежуток между статорными катушками (3) заполнен статорными крышками (9), причем одна статорная крышка (9) вставлена в сердечник (8) статора в осевом направлении, причем статорная крышка (9) выполнена из двух частей и обе части (10, 11) вставлены в сердечник (8) статора навстречу друг другу в осевом направлении с взаимным перекрытием соответствующих друг другу концов. При этом, согласно изобретению, краевые контуры соответствующих друг другу упомянутых выше концов выполнены с возможностью их вхождения в соответствующие концы других половин крышки, причем в любом положении сердечника статора нижняя часть подходит ...

ИНДУКТОР ЯВНОПОЛЮСНОЙ СИНХРОННОЙ МАШИНЫ

Использование: в явнополюсных синхронных генераторах, двигателях и компенсаторах во всех диапазонах мощностей и частот вращения. Сущность изобретения: индуктор явнополюсной синхронной машины содержит обод с полюсами 6, имеющими немагнитные шпильки 15 для крепления лобовых частей 16 катушек возбуждения. Шпильки 15 ввернуты в щеки 14, изготовленные из магнитного листового проката. При высоких механических нагрузках на шпильки 15 они подкреплены на свободных концах оттяжками 20, прикрепленными к ободу гайками. 1 з. п. ф-лы, 2 ил.

ЭЛЕКТРОДВИГАТЕЛЬ

Изобретение относится к области электротехники. Технический результат – повышение технологичности конструкции. Электродвигатель содержит корпус, узел ротора, содержащий магнит, блок подшипников, крыльчатку и вал, и узел статора, содержащий сердечник статора и катушку. При этом корпус содержит внутреннюю стенку и наружную стенку, которая окружает внутреннюю стенку, образуя кольцевой канал между внутренней стенкой и наружной стенкой, и диффузорные лопатки, проходящие от внутренней стенки к наружной стенке через указанный кольцевой канал. Внутренняя стенка образует канал, служащий в качестве опоры для узла ротора, а наружная стенка образует практически цилиндрический внешний корпус двигателя. При этом диффузорные лопатки имеют хвостовые части, выступающие в осевом направлении за границы внутренней стенки к наружной стенке. 14 з.п. ф-лы, 6 ил.

СОЕДИНЯЮЩАЯ КОЛЬЦЕВАЯ СХЕМА

... 1. Соединяющая кольцевая схема, при этом соединяющая кольцевая схема содержит структуру соединяющей кольцевой схемы, задающую, по меньшей мере, одну ленточную полость, при этом упомянутая структура соединяющей кольцевой схемы включает в себя верхнюю сторону соединяющей кольцевой схемы и нижнюю сторону соединяющей кольцевой схемы, при этом упомянутая верхняя сторона соединяющей кольцевой схемы задает, по меньшей мере, одно отверстие верхней стороны, а упомянутая нижняя сторона соединяющей кольцевой схемы задает, по меньшей мере, одно отверстие нижней стороны, причем упомянутое, по меньшей мере, одно отверстие верхней стороны и упомянутое, по меньшей мере, одно отверстие нижней стороны соединены с упомянутой, по меньшей мере, одной ленточной полостью. 2. Соединяющая кольцевая схема по п.1, в которой упомянутая структура соединяющей кольцевой схемы включает в себя диаметр соединяющей кольцевой схемы и в которой упомянутая, по меньшей мере, одна ленточная полость включает в себя пять ленточных ...

СТАТОР ЯВНОПОЛЮСНОЙ ЭЛЕКТРИЧЕСКОЙ МАШИНЫ

... 1. Статор явнополюсной электрической машины, содержащий ферромагнитные пластины с явно выраженными полюсами, собранными в пакет, в пазах пакета, образованных явно выраженными полюсами, размещена обмотка из медного изолированного провода и обмоткодержатели, закрепленные на явно выраженных полюсах, отличающийся тем, что на боковых частях обмоткодержателей выполнены выступы, в сечении имеющие вид крючка. 2. Статор явнополюсной электрической машины по п. 1, отличающийся тем, что на концах явно выраженных полюсов ферромагнитных пластин выполнены выступы в виде крючка.

Катушка полюса электрической машины

Полюс ротора синхронного генератора

Изобретение относится к электромашиностроению . Цель изобретения - повышение технологичности изготовления и снижение материалоемкости. Полюс ротора синхронного генератора содержит сердечник 1. Для крепления катушки возбуждения 10 и передачи крутящего момента полюс снабжен стержнями 6, концевые части 8 которых , выступа.ют за торцы сердечника и служат опорами для лобовых частей , катушки возбуждения. Стержни 4 с резьбовыми отверстиями предназначены для крепления полюса на магнитопрово де. Это позволяет повысить надежность . 3 шт. (А .7 5 ..«V 5 Фаг ...

CTATOP ЭЛEKTPИЧECKOЙ MAШИHЫ

Статор электрической машины постоянного тока

Изобретение относится к электромашиностроению . Цель изобретения -. повьшение надежности. Статор электрической машины постоянного тока .состоит из остова 1, к которому прикреплен сердечник из шихтованных листов 4. Между крайними листами размещены упругие элементы 5 типа тарельчатых пружин. Катушка 6 полюса закреплена на сердечнике с помощью изоляционных - клиньев 7,8. На поверхности одного клина в направлении угла его наклона выполнены выступы, входящие во впадины другого клина. Это. позволяет осуществлять постоянное поджатие катушки на сердечнике и регулировать его величину при сборке полюса, что предотвращает перемещение катушки на сердечнике. 2 ил. Q 5 (Л 00 со 4; to 00 ./ .

Ротор синхронной явнополюсной электрической машины

Изобретение относится к области электромашиностроения , в частности к синхронным явнополюсным электрическим машинам. Цель изобретения - повышение эксплуатационной надежности электрических машин, упрощение конструкции междемпферных соединений и снижение трудоемкости работ при ревизиях и ремонтах . На ободе ротора закреплены полюса 2, в отверстиях башмаков которых расположены стержни 3 демпферной обмотки, замкнутые по торцам медными сегментами 4, соединенными между собой гибкими междемпферными перемычками 5. Соединение выполнено разборным посредством болтов 6, контршайб 7, массивных шайб 8 и гаек 9. Между гибкими перемычками 5 и контрящими шайбами 7 установлены утолщенные шайбы 8. Гайки 9 выполнены прямоугольной формы со смещением от центра резьбового отверстия. Гайки 9 установлены с прилеганием их граней или с незначительным зазором, что предотвращает их самоотвин- чивание. 6 ил. (Л С ...

Полюс электрической машины

ПОЛЮС ЭЛЕКТРИЧЕСКОЙ МШИНЫ, содержащий сердечник, на боковых сторонах которого клполпмш упоры, и катушку, закрепленную tfii сердечнике посредством упругого элемента, имекяаего с одного конца кпяругий выступ , расположенный меясду «тушкой и сердечником/a с - отогйутую часть, o&paioeHHyia к торцевой поверхности катушки, о t л и ч a ю U и и с я тем, . с целью упрощеяия технолопш И31 вй &лен11я, отогнутая часть упругого шЮБмента выполнен О -образной и ее свободный конец эафихси1|й«я упором сердечника.

Магнитная система электрической машины постоянного тока

МАГНИТНАЯ СИСТЕМА ЭЛЕКТРИЧЕСКОЙ МАШИНЫ ПОСТОЯННОГО С Щ/2й ТОКА, содержащая ярмо магнитопровода, на котором установлены сердечники главных полюсов с полюсными наконечниками и сердечники добавочных полюсов с уступами , катушки обмоток, размешенные на полюсах , и элементы их крепления, снабженные стяжными шпнлькамй и отжимными винтами , отличающаяся тем, что, с целью снижения габаритов электрической машины путем увеличения междуполюсного пространства под обмотку главного полюса и упрошения технологии изготовления, элементы крепления катушек главных и добавочных полюсов выполнены в виде скоб из немагнитного материала, опирающихся на уступы сердечников добавочных полюсов и полюсные наконечники главных полюсов со стороны их катушек, при этом отжимные винты установлены со стороны полюсных наконечников. О 4 СО sj о ...

Ротор синхронной электрической машины

Изобретение относится к электромашиностроению. Цель - улучшение ремонтопригодности. На ободе 1 ротора установлены полюса 2, закрепленные с помощью хвостовиков 3. Катушка обмотки возбуждения 4 охвачена скобой 5. Отогнутый конец 6 скобы 5 закреплен в пазу 7. В ободе ротора выполнен паз 9 Г-образной формы в одной плоскости с боковой поверхностью обмотки возбуждения. Другой конец 10 скобы 5 закреплен в пазу при помощи пары встречных клиньев 11 и 12. Боковые стороны скобы 5 отогнуты перпендикулярно плоскости, прилегающей к обмотке возбуждения 4, и образуют ребра жесткости 15. 5 ил.

Ротор явнополюсной синхронной электрической машины

Сущность изобретения: ротор содержит сердечники полюсов (1) и катушки (2) обмотки возбуждения. Для электрического соединения катушек (2) предусмотрены выводные пластины (3), соединенные шинами (10). Пластины (3) и шины (10) зафиксированы от смещения держателями (12). Последние состоят из двух перпендикулярно соединенных планок (13, 14). Планка (14) расположена в пазу (15) планки (13). 2 ил.

Ротор синхронной явнополюсной машины

РОТОР СИНХРОННОЙ ЯВНОПОЛЮСНОЙ МА1ШНЫ, содержащий массивные полюса с нако нечниками и прикрепленные к торцам наконечников демпферные сегменты, соеднняющие между со- бой соседние полюса, отличаю- щ и и с я тем, что, с целью повышения надежности, на торце каждого наконечника выполнена выемка, заполненная материалом с высокой электропроводностью , поверхность которого сопряжена .с соседними сегментами. г (Л ...

Ротор электрической машины

Ротор электрической машины

Component with coils forming part of e.g. permanent magnet motor drive for vehicle actuator, has carrier with radially-projecting bridges and insertion sections for coils

The component has a carrier (6) with bridges (61) projecting radially from a carrier body (60). These have insertion sections (62) to accommodate the coils (5).

Stator, for an electric motor with an inner or outer rotor, has a carrier axially fastened at the insulation body legs

The stator (16), for an electric machine, has a ring-shaped stator yoke (30) with a number of radially projecting stator teeth (32). A carrier is attached to the legs (40b) of an insulation body. The carrier has a cylinder wall zone (56e) in the radial plane, forming a common inner and outer surface with the insulation body legs. It has a radial wall zone (56b) against a limit surface of the stator, held axially by fasteners (58) at the insulation body legs in an open holding zone (55).

Elektromotor und Meßwerk, insbesondere für Anzeigeinstrumente in Kraftfahrzeugen

ROTOR EINES GENERATORS MONTIERT AUF EINEM FAHRZEUG.

Elektronisch kommutierter Gleichstrommotor

Die Erfindung betrifft einen elektronisch kommutierten Gleichstrommotor mit einem mehrphasigen Stator (1) und einem Innenrotor, wobei der Stator (1) einen geschlossenen Rückschlussring (2) und eine Vielzahl von mit diesem einstückigen, nach innen gerichteten Statorpolen (3) und einen Isolierstoffkörper (4) mit einem sich radial über den Statoraußendurchmesser erstreckenden Anschlussmittel (5) für einen Wicklungsdraht (6) aufweist. Aufgabe der Erfindung ist es bei einem gattungsgemäßen Gleichstrommotor für eine kompakte Bauform mit geringen axialen und radialen Abmessungen, für einen optimalen Wirkungsgrad auch bei Verwendung eines Nadelwickelverfahrens und für eine einfache Herstellbarkeit zu sorgen. Diese Aufgabe wird erfindungsgemäß durch Anspruch 1 gelöst.

Bürstenloser Gleichstrommotor

Universalmotor mit Sekundärwicklung.

Bürstenloser Gleichstrommotor

Es wird ein BLDC-Motor offenbart, der Folgendes enthält: einen Stator, der mit mehreren Zähnen versehen ist, die sich in Richtung einer Innenseite eines Kerns erstrecken und um die eine Spule gewickelt ist; Rotoren, die an einer Innenseite des Stators derart angeordnet sind, dass sie voneinander beabstandet sind, und mehrere Permanentmagneten aufweisen, die mit einem Kern davon gekoppelt sind; und Hall-Sensoren, die derart angeordnet sind, dass sie einer Außenumfangsfläche des Kerns des Rotors gegenüberliegen, während sie voneinander beabstandet sind, und innerhalb eines Höhenbereichs zwischen beiden Oberflächen in einer Höhenrichtung des Kerns des Rotors angeordnet sind, um eine als Antwort auf eine Drehung des Rotors erfolgende Änderung eines Magnetfelds zu detektieren, wodurch Positionsinformationen eines Rotors genau erfasst werden und eine Drehung des Rotors genau gesteuert wird, indem ein magnetischer Fluss, der von einem Permanentmagneten des Rotors erzeugt wird, hinlänglich an einen ...

Motor

Ein Stator dieses Dreiphasenmotors weist eine Mehrzahl von Zähnen und Drähten auf, die um die Mehrzahl von Zähnen gewickelt sind. Die Anzahl von Schlitzen, die zwischen den Zähnen positioniert sind, die in der Umfangsrichtung benachbart zueinander sind, beträgt sechs oder mehr. Das Verhältnis der Anzahl von Magnetpolen eines Rotors zu der Anzahl der Schlitze ist 2:3. Die Drähte umfassen Drähte von drei Phasen, die eine U-Phase, eine V-Phase und eine W-Phase sind, und die Drähte der drei Phasen sind deltaverbunden. Eine Mehrzahl von Spulen, bei denen einer von den Drähten der drei Phasen auf jeden der Zähne gewickelt ist, sind in der Umfangsrichtung in der Reihenfolge der U-Phase, der V-Phase und der W-Phase wiederholt angeordnet. In jeder der U-Phase, der V-Phase und der W-Phase sind zumindest zwei der Spulen in Reihe geschaltet und die Spulen, die in Reihe geschaltet sind, sind in der Umfangsrichtung benachbart zueinander. Die Richtung, in der die Drähte der U-Phase und der W-Phase um ...

ASYNCHRONMOTOR

Zentrales Elektrizitätsverteilungsglied für eine elektrische Drehmaschine

Ein zentrales Elektrizitätsverteilungsglied für eine elektrische Drehmaschine, das verbindende Sammelschienen (11) von jeweiligen Phasen zum Verbinden von Spulen der gleichen Phasen unter Spulen von jeweiligen Phasen, die um einen Stator der elektrischen Drehmaschine gewickelt sind, eine verbindende Sammelschiene (11) für einen neutralen Punkt zum Verbinden der Spulen der gleichen Phasen, die um den Stator der elektrischen Drehmaschine gewickelt sind, eine kreisförmige Haltenut, die zum Unterbringen der jeweiligen verbindenden Sammelschienen (11) fähig ist, während die jeweiligen verbindenden Sammelschienen (11) voneinander isoliert werden, einen Sammelschienenisolierabschnitt (12), der unter Verwendung eines isolierenden Materials gebildet ist, einen sammelschienenseitigen Positionierabschnitt (103), der an jeder der verbindenden Sammelschienen (11) vorgesehen ist, und einen isolationsseitigen Positionierabschnitt (109), der an dem Sammelschienenisolierabschnitt (12) vorgesehen ist, zum ...

DYNAMOELEKTRISCHE MASCHINE UND VERFAHREN ZU IHRER HERSTELLUNG

VORRICHTUNG ZUM WANDELN VON ELEKTRISCHER IN MECHANISCHE ENERGIE UND/ODER UMGEKEHRT SOWIE EIN VERFAHREN ZUM HERSTELLEN EINER SOLCHEN VORRICHTUNG

Rotoraufbau für einen Motor

Ein Rotoraufbau für einen Motor umfasst: einen Kernkörper, durch den eine Welle in eine axiale Mitte hindurchgreift und Stege radial entlang eines äußeren Umfangs angeordnet sind und erste Gleitverbindungsbereiche an Stirnkanten eingeschlossen sind; Feldwicklungen, die individuell um die äußeren Umfänge der Stege herum gewickelt sind, und einen Zustand, bei dem sie voneinander beabstandet sind, während sie um die Stege gewickelt werden, aufrechterhalten; und einen zylindrischen Kernaußenteil, der ausgebildet ist, die Außenseite des Kernkörpers zu umgeben, wobei der zylindrische Kernaußenteil zweite Gleitverbindungsbereiche an einem Innenumfang einschließt, derart, dass die Stirnkanten der Stege gleitend damit längs einer axialen Richtung über Formenschluss verbunden werden.

FELDWICKLUNG FUER EINE DYNAMOELEKTRISCHE MASCHINE UND HERSTELLUNGSVERFAHREN DAFUER

Polisolation mit Filmscharnier

Elektrische Maschine, insbesondere Elektromotor, mit einem Stator, der von Statorwicklungen umwickelte Polschenkel und einen die Pole umgebenden Polring aufweist, wobei eine Statorwicklung vermittels eines einen Polschenkel umgreifenden und aus Kunststoff geformten Isolierkörpers am Stator anliegt, wobei der Isolierkörper 4 eine verschwenkbar angebrachte Abdeckung 6 aufweist, mit der eine Seite der Statorwicklung 5 gegenüber dem Polring 2 und/oder gegenüber der Statorwicklung 5 des benachbarten Poles 3 zumindest teilweise abdeckbar ist.

Ständer für eine rotierende elektromechanische Vorrichtung

Statorbauteil

Ein Statorbauteil (60, 160) kann ein Kernbauteil (90, 190), das eine Mehrzahl von Kernen (90a, 90b, 90c, 90d, 90e, 90f, 190a, 190b, 190c, 190d, 190e, 190f), die nebeneinander angeordnet sind, aufweist, eine Spule (96, 196), die um jeden der Kerne (90a, 90b, 90c, 90d, 90e, 90f, 190a, 190b, 190c, 190d, 190e, 190f) gewickelt ist, und ein Anschlussbauteil (70, 170, 270), das an einem Ende des Kernbauteils (90, 190) angebracht ist, aufweisen. Das Anschlussbauteil (70, 170, 270) kann einen Anschlussbereich (71) aufweisen, der drei externe Anschlussbereiche (72, 74, 76, 172, 174, 176, 272, 274, 276), die als Anschlüsse einer U-, V- und W-Phase verwendet werden, und einen gemeinsamen Anschlussbereich, der als ein gemeinsamer Anschluss (78, 178, 278) verwendet wird, aufweist. Die drei externen Anschlussbereiche (72, 74, 76, 172, 174, 176, 272, 274, 276) und der gemeinsame Anschluss (78, 178, 278) können integral vorgesehen sein. Eine Mehrzahl von Passbereichen (84, 184) kann von dem Anschlussbereich ...

Läufer für einen Wechselstromgenerator von Kraftfahrzeugen

Motor

Motor, der aufweist: einen Stator, der Anordnungen aufweist; und einen Rotor, der auf einer Seite des Stators angeordnet ist, wobei jede Anordnung aufweist: eine Spule; einen Kern, der in die Spule eingesetzt ist; und eine Wicklung, die eine Außenseite der Spule umgibt, wobei die Spule aufweist: ein Hauptdurchgangsloch, in das der Kern eingesetzt ist; und ein Subdurchgangsloch, das in einer von einer oberen Fläche und einer unteren Fläche auf einer Seite des Hauptdurchgangslochs angeordnet ist, und wobei ein Innenraum der Spule durch das Subdurchgangsloch mit der Außenseite der Spule in Kommunikation ist.

Hauptelement für eine elektrische Maschine

Ein Hauptelement für eine elektrische Maschine weist einen aus axial aneinander liegenden Lamellen zusammengesetzten, magnetisch leitfähigen Körper mit einer Mehrzahl von sternförmig angeordneten, sich axial erstreckenden Zähnen (15) und eine Wicklung (12) aus Ringspulen (17) auf, die als spulenkörperlose Luftspulen separat gewickelt und radial auf die Zähne (15) aufgesetzt sind. Zur Erzielung eines axial und radial spiellosen Sitzes der Ringspulen (17) auf den Zähnen (15) sind an jeder Stirnseite des magnetisch leitfähigen Körpers auf jeden der in einer Querebene zur Körperachse liegenden Stirnenden (153) der Zähne (15) ein in Achsrichtung des Zahns (15) elastisch verformbares Ausgleichselement (20) aufgesetzt, auf das sich die auf den Zahn (15) aufgeschobene Ringspule (17) axial aufpresst. Alle Ausgleichselemente (20) auf einer Stirnseite sind über ein geschlossenes Ringelement (19) zu einer einstückigen Ausgleichsmaske (18) aus isolierendem Kunststoff miteinander verbunden (Fig. 3).

Spulenverbindungsvorrichtung für einen Ausseläufermultipolegenerator

Abstandshalter für Kapselringe und Abschirmung für den Rotor einer elektrischen Maschine

Motorbetriebener Kompressor

Motorbetriebener Kompressor (10), der folgende Bauteile aufweist: ein Gehäuse (11, 12, 13) zum Einführen eines Kältemittels und zum Ausstoßen des Kältemittels; einen Kompressionsabschnitt (20) zum Komprimieren des Kältemittels, wobei der Kompressionsabschnitt in dem Gehäuse angeordnet ist; einen Motor (30) zum Antreiben des Kompressionsabschnittes, wobei der Motor in dem Gehäuse angeordnet ist; eine Antriebsschaltung (40) zur Steuerung des Motors; dadurch gekennzeichnet, dass ein Verbindungsbauteil (50), das eine plattenförmige Gestalt besitzt, das an einem Ende des Motors angeordnet ist, zur Verbindung einer Mehrzahl von Spulen (33) des Motors mit der Antriebsschaltung vorgesehen ist, wobei das Verbindungsbauteil (50) an einer vorbestimmten Position in einer Umfangsrichtung eine Kältemittelöffnung (50b) aufweist.

ELEKTRISCHE SYNCHRONMASCHINE NIEDRIGER DREHZAHL

POLGEHAEUSE FUER ELEKTRISCHE MASCHINEN

DYNAMOELECTRIC MACHINES HAVING SALIENT POLE ROTORS AND LOW LOSS VENTILATION

... 1307490 Dynamo-electric machines WESTINGHOUSE ELECTRIC CORP 19 Feb 1970 [19 Feb 1969] 48687/72 Divided out of 1306711 Heading H2A In a dynamo-electric machine, e.g. a vertically mounted waterwheel generate 10, having an air gap 15 between a stap 12 having directly cooled windings and a rotor 14 having salient pole members 27, 28, and a blower 35 to cause a flow of coolant gas axially through the machine from one end to the other, the pole members support a circumferential band 44 which separates the air gap from the interpolar spaces 29. This is to reduce windage losses due to air vortices between the pole members, in a machine which otherwise is similar to that disclosed in the parent Specification 1,306,711.

FIELD SUBASSEMBLY

ELECTRICAL MACHINES

... 1422541 Insulating and supporting windings in dynamoelectric machines ROBERT BOSCH GmbH 9 March 1973 [11 March 1972] 11464/73 Heading H2A A stator with a yoke casing 1, magnetic poles 4, 5 etc. and windings 11 has resilient foam material 35 moulded in situ in the cylindrical annular region between the inner surface of the yoke casing and the inner surfaces of the poles, the foam being preferably of polyurethane, polyethylene or polystyrene; thermoplastic or duromeric foams may also be used. The windings 11 are formed by strip material 241 and intermediate insulating material 24, and are spaced from the poles and casing by straps 25 of thermoplastic, e.g. polyamide, presspahn or paper material. The windings may also be coated with P.V.C. by dipping therein. The moulded foam may form an insulating sleeve 30 for a lead 18.

A rotor assembly

Lead wire arrangement in an electric motor stator

An electric motor stator comprises a pack of armature plates and is provided with an annular element (6) which is fitted to the external ring edge (7) of an electrically insulating cylinder (2). The ring edge (7) is provided with open hollows 10 to permit the passage of the leads of the wires of the stator coil(s) from the interior to the exterior of the ring (7). Walls 16, 18 define wire channels which are closed by element 6. Junction recesses 12 are also present.

Electrical devices including a switched reluctance motor

ELECTRIC MOTOR

MOTOR AND THE PROCESS OF PRODUCING THE SAME

An electrical conductor winding and a method of manufacturing an electrical conductor winding

An electrical conductor winding (70) comprises a plurality of laminates of electrical insulation (72). Each laminate of electrical insulation (72) has a slot (78) on one surface (76). Each laminate of electrical insulation (70) has an electrical conductor (82) arranged in the slot (78). An electrical connector (84) connects the electrical conductor (82) in one laminate of electrical insulation (78) with the electrical conductor (82) in an adjacent laminate of electrical insulation (72). The laminates of electrical insulation (72) are arranged such that the surface (74) of one laminate of electrical insulation (72) abuts and is bonded to the surface (76) of an adjacent laminate of electrical insulation (12). The laminates of electrical insulation (12) comprise a glass-ceramic material. The electrical conductor windings allow active magnetic bearings, electric motors and electric generators to be used at temperatures up to 500{C for example in gas turbine engines. The glass-ceramic material ...

An electrical conductor winding and a method of manufacturing an electrical conductor winding

Field assemblies and methods of making same

Direct-current motor and method of making the same

Improvements in Salient Pole having Integral Coil Side Support

... 1,185,068. Securing coils for dynamo-electric machines; core constructions. GENERAL ELECTRIC CO. 10 Oct., 1967 [14 Oct., 19661, No. 46203/67. Heading H2A. In an arrangement for securing a field coil 54, Fig. 4, on a salient pole, the latter is formed of two groups 38, 40, Fig. 3, of laminations separated by a spacer section 44, which may also be laminated, of much smaller dimensions as to leave slots 46, 48, across the top and bottom of the core portion of the pole; after the coil is wound, a resin impregnated tape 56 is wound round the coil sides and through the slots, and, after wiring, forms a continuous hoop holding the coil in position.

Field assemblies and methods of making same

Three-piece bobbin for rotor in alternator

A bobbin for a rotor in an alternator comprises a hollow cylinder 30 and first and second end caps 52,54 attached to respective ends of the hollow cylinder. The end caps are preferably of a first material and the cylinder of a second material having a lower tear resistance. The cylinder is preferably injection moulded and the end caps are preferably made of a paper laminate. The alternator is preferably of the type having opposing pole pieces sandwiching a field coil, the bobbin being interposed between the field coil and each pole piece to electrically insulate the field coil.

Stator winding and method of manufacture

A stator body 1 comprises stator teeth 2 on which are mounted bobbins 4 with coils 3. Each phase U, V, W of the stator winding comprises a group 30 of stator coils wound on bobbins and connected in series. Each phase of the winding is continuously formed around three successive bobbins without a break between the bobbins in the group 30. A winding jig 20 is provided which holds three bobbins 4 at intervals D along a bar, allowing the group of coils 30 of the stator winding to be wound continuously. The method avoids the costs of bring out and connecting the ends of individual coils on a printed circuit board.

Stator

Rotary electric motor and method of manufacturing the rotary electric motor

Field assemblies and methods of making same

An insulating piece for use in a dynamo-electric machine

... 1,087,892. Insulation for dynamo-electric machines. JOSEPH LUCAS (INDUSTRIES) Ltd. April 29, 1966 [April 29, 1965], No. 18025/65. Heading H2A. The interconnecting wires between the stator coils of an electrical machine are prevented from touching the yoke by means of a single sheet of insulating material having an integral strap formed in it. The wires are passed between the strap and the sheet to anchor them and separate them from the yoke. A rectangular sheet of insulating material (11) has two corners cut away and a pair of spaced-apart longitudinal cuts (12a), (12b), parallel to the longer side made in it to provide a strap (13). The shorter longitudinal edge has two cuts, perpendicular to the cuts (12a), (12b) and spaced apart by slightly less than the length of the strap, depending from it and the flap (15) so formed is folded down and passed under the strap 13 and the sheet doubled vertically to provide an apex at the centre of the strap. The parts of the sheet outside cuts (14a) ...

Improvements in or relating to salient pole pieces for dynamo electric machines

COIL ASSEMBLY FOR ELECTRO-MECHANICAL TRANSDUCER

Electrical machine with a rotor having a salient poles

The invention relates to a rotor of an electrical machine with salient poles rigidly connected to the shaft of the machine. A hoop (7) with a high mechanical strength is disposed round the poles and comprises alternatively portions (7a) of metal with a good magnetic permeability which are disposed opposite the poles (2), and portions (7b) of non-magnetic metal which are disposed opposite the interpolar spaces. The invention renders it possible to make rotors with salient poles capable of rotating at high speed and having low losses through ventilation.

STATOR FOR ELECTRIC MOTORS

ROTOR OF AN ELECTRICAL GENERATOR

Electric machine, rotor and stator

A stator core 110 segment comprising a body 140 defining a segment 120 of an annular ring and a pole tooth 150 projecting radially from the body, the tooth comprising a pair of tips 160a, 160b, which have an initial configuration in which they extend longitudinally with respect to the tooth and an assembled configuration in which they extend transversely to provide a flange at the pole tooth end. Each tooth tip comprises a web contiguous with the tooth and a head at the distal end of the web and the tooth has a recess in a shoulder proximal to each tip, the recess defining a seat to receiving and aligning a portion of the head when the tip is in assembled. The head may comprise a first portion proximal to the web and a second portion distal to the web, where when assembled the first portion engages the seat and the second portion extends transversely beyond the tooth. The first portion of the head and the seat may have complementary profiles which resiliently engage, where the profiles ...

OUTER RUNNER ENGINE, IN PARTICULAR SMALL OR PILOT MOTOR

COIL FOR ELECTRICAL WINDINGS OF ENGINES

STATOR FOR AN ELECTRICAL INDUCTION MACHINE, IN PARTICULAR SYNCHRONOUS MACHINE

PENDULUM ENGINE WITH COIL AND MANUFACTURING PROCESS FOR IT

SYNCHRONOUS MACHINE

STATOR WITH WAFER

ROTOR COIL SUPPORT FOR HIGH TEMPERATURE SUPERCONDUCTORS WITH SPLIT SPULENGEHÄUSE AND INSTALLING PROCEDURE

WIRBELSTROMBREMSE FUER FAHRZEUGE

STATOR OF AN ELECTRIC MOTOR WITH COIL INTERCONNECTING ARRANGEMENT

DEVICE FOR THE PROTECTION OF A COIL RELUKTANZMASCHINE

PROCEDURE AND DEVICE FOR THE WINDING OF DIRECT CURRENT GENERATOR-ELECTRICAL MACHINE COMPONENTS

EDDY CURRENT BRAKE FOR VEHICLES

STATOR FOR AN ELECTRICAL MACHINE

STATOR FOR ELECTRIC MOTORS WITH COIL INTERCONNECTING ARRANGEMENT

STATOR FÜR EINEN ELEKTROMOTOR

Ein Elektromotor (1) mit einem Rotor (2) und einem Stator (3), bei welchem der Stator einen Kernblock (5) aus weichmagnetischem Material mit einer Mehrzahl von radial nach innen, in Richtung der Drehachse (a) des Rotors gerichteter Statorpolschuhe (3p) aufweist, und auf jedem Statorpolschuh ein Spulenkörper (7) mit einer Spule (8) angeordnet ist, wobei der Querschnitt der Statorpolschuhe (3p) stabförmig ist und ein Aufschieben der Spulenkörper (7) von der Stirnseite der Statorpolschuhe aus ermöglicht an jedem Spulenkörper zumindest zwei Anschlusskontakte in Form von Anschlussstiften (9) für die Spule (8) angeordnet sind und der Motor eine Leiterplatte (10) aufweist, welche Anschlussstellen, bestehend aus Bohrungen (11) und Lötaugen (12), für die Anschlusskontakte besitzt, wobei die Leiterplatte (10) sowie der Kernblock (5) fluchtende Bohrungen (6, 14) für Bolzen (13) aufweisen, wodurch die Leiterplatte (10) direkt an dem Kernblock (5) fixiert ist, und auf der Leiterplatte (10) ein Sensor ...

Schenkelpolmaschine

Es wird eine Schenkelpolmaschine (1) mit einem Läufer (2) gezeigt, der ausgeprägte Pole (3, 4, 5, 6), mindestens eine Erregerwicklung (11) und mindestens eine Dämpferwicklung (12) aufweist, welche Dämpferwicklung (12) wenigstens bereichsweise sowohl an einem Pol (3, 4, 5, 6), als auch zwischen zwei benachbarten Polen (3, 4 bzw. 4, 5 bzw. 5, 6 bzw. 6, 3) vorgesehen ist. Um eine besonders gegenüber Schieflast standfeste Schenkelpolmaschine (1) zu schaffen, wird vorgeschlagen, dass der Läufer (2) wenigstens eine die Erregerwicklungsteile (7, 8, 9, 10) benachbarter Pole (3, 4 bzw. 4, 5 bzw. 5, 6 bzw. 6, 3) abstützende Wicklungsabstützung (14) aufweist, die wenigstens bereichsweise elektrisch leitend zumindest teilweise den zwischen zwei Polen (3, 4 bzw. 4, 5 bzw. 5, 6 bzw. 6, 3) vorgesehenen Teil der Dämpferwicklung (12) ausbildet, indem diese Wicklungsabstützung (14) mit den anderen Teilen der Dämpferwicklung (12) elektrisch verbunden, insbesondere kurzgeschlossen, ist.

PROCEDURE AND DEVICE FOR THE PRODUCTION OF STANDS WITH COIL WINDINGS AT BOTH ENDS.

WHEEL STRUCTURE WITH STAND ON THE INSIDE AND IN THE STAND BODY OF INTEGRATED FIELD CONTROL

STATOR STRUCTURE OF A RESOLVER

With temperature-steady insulating layer of provided spools

SMALL EXHAUST UNIT, IN PARTICULAR FOR USE AS PRINTED CIRCUIT BOARD EXHAUSTS

Mechanism to attachment of and current feed to electrical construction units

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

HIGH SPEED GENERATOR WITH INTEGRALLY FORMED ROTOR COIL SUPPORT WEDGES

Tie ring

Silicon steel assembly and assembling method thereof

A silicon steel assembly includes a first cover, a second cover, plural tooth members and an outer ring. The second cover has plural recesses. The tooth members are accommodated within respective recesses of the second cover. The first cover, the tooth members and the second cover are combined together to form a combination structure. The outer ring is sheathed around an outer periphery of the combination structure.

Stator for electrical rotating machine

Included are a pair of insulators arranged on axial end surfaces of a split core, and an insulating film attached to lateral side surfaces of the tooth part, for insulating the split core from a coil wound around the tooth part. Each insulator includes projections projecting further than a tooth front end part in the circumferential direction, slits which are formed in the respective projections to a corresponding axial end surface side of the tooth front end part and into which the insulating film is inserted, and ribs formed, on an end surface side in the circumferential direction, in the respective projections. The insulating film inserted into the slits is folded back to a back yoke part side with the ribs interposed therein, and fixed by being interposed between the ribs at tip portions of projections of adjacent insulators. Accordingly, the insulating film can be assuredly fixed and prevented from escaping from a slot.

Rotary electric machine

A rotary electric machine according to an embodiment includes a substantially cylindrical rotator that is freely rotatably supported, a stator, and a bracket that supports the rotator and the stator. The stator includes stator coils in which a plurality of air-cored coils are arranged in a ring shape and are integrated by resin, each of the air-cored coils being formed by winding a round copper wire and having an outer shape subjected to pressure molding, and stator cores divided for each of teeth.

Winding frame with magmate and stator core with the same

A stator core including at least two or more stator core-continuous bodies each formed by coupling at least two or more unit cores to each other, each unit core consisting of a tooth portion having a coupling slot and a coupling projection formed along both ends thereof and connected to adjacent unit core by means of a connection portion formed at each of both end portions of the tooth portion, wherein the at least two or more stator core-continuous bodies are fitting-connected to each other by means of the coupling slots formed at one side ends thereof and the coupling projections formed at the other side ends thereof to form the stator core having a round shape.

Rotating machine comprising insulation sheet for insulating coil and base, and method of producing the rotating machine

A rotating machine includes: a coil that is provided on the first surface side of a base and formed with a wire; an insulation sheet that has a sheet hole formed at the position aligned with the position of a guide hole in the base; and a wiring that is provided on the second surface and electrically connected to the coil. The wire forming the coil has a guide wire that is guided on the second surface side through the guide hole and the sheet hole to be connected to the wiring. The insulation sheet has an extending portion that protrudes from the sheet hole and covers at least part of the circumferential surface of the guide hole. The extending portion is placed between part of the circumferential surface of the guide hole and the guide wire.

Resolver of electric driving motor for vehicle

The present invention relates to a resolver of an electric driving motor for vehicle which comprises a rotor, a stator comprising a stator main body which encircles the rotor and teeth which extend from the stator main body to be wound by a coil, a terminal module comprising a terminal end which contacts the coil for an electric connection and a terminal main body which supports the terminal end, and a connector module comprising a connector main body which is detachably coupled to the terminal main body and a lead line which is connected to an outer device and supported by the connector main body and which contacts the terminal end for an electric connection if the connector main body is coupled to the terminal main body, thus simplifying manufacturing process and repairing process and reducing cost.

Brushless alternator

A brushless alternator of the present invention includes: a yoke whose inner circumferential surface is radially opposite via an air gap to a rotor revolvably supported by brackets; a stat or supported by the brackets, for forming a magnetic circuit along with the rotor and the yoke; a bobbin for engaging with the outer circumferential surface of a thin portion of the yoke; a field coil wound around the bobbin, for producing magnetic flux; and a plate joined to the thin portion, for axially holding the bobbin; wherein the thin portion of the yoke and the other portion thereof are integrally formed in one piece using a single member.

Disk drive device for rotating a disk

In the brushless motor, a magnetic recording disk is to be mounted on a hub. A base plate rotatably supports the hub on the upper surface. A laminated core is fixed on the upper surface of the base plate and has a ring portion and a plurality of teeth that extend radially from the ring portion. Coils are wound around the plurality of teeth. A cylindrical magnet is fixed to the hub and is magnetized for driving with a plurality of poles along the circumferential direction and is arranged to radially face the plurality of teeth of the laminated core. A wire of one end of one of the coils is drawn out to the bottom surface of the base plate through a hole arranged on the base plate. The wire is connected to a driving line for supplying a current to the coils at a position other than the position of the hole on the base plate. The hole of the base plate is plugged with a resin.

Insulator, and stator and motor provided with same

An insulator includes a main body, a latching portion, and a slot. The main body covers a portion of a stator core around which a coil is wound to insulate the stator core from the coil. The latching portion is disposed at an end of a portion of the main body around which the coil is wound to latch the coil onto the main body. The slot is formed so as to expose the coil at a portion of the latching portion on a side where cooling oil for cooling the coil is supplied to the coil.

Segmented armature motor

Provided is a segmented armature motor, which includes a plurality of armature coils which enclose a rotor having a rotary shaft, an armature which houses the armature coil and which is coupled in a segmented form, a motor frame which is coupled to the armature so as to enclose the armature, and motor covers coupled to the front and rear faces of the motor frame. The segmented armature motor is formed so that the armature coils completely enclose a pole portion of the rotor and are formed into a horseshoe shape or U shape, thereby minimizing magnetic losses of the armature and of the rotor.

Capacitor-operated motor having a single winding span

A capacitor-operated motor having a single winding span includes a housing, a stator par, and a rotor par. The stator part is formed by stacking up a plurality of stator core plates that have a plurality of primary-phase tooth parts, secondary-phase tooth parts, and stator slots. The primary windings and the secondary windings are wound around the primary-phase tooth parts and the secondary-phase tooth parts respectively. When the current is conducted through the plurality of primary windings and the plurality of secondary windings, magnetic force is generated to rotate the rotor part. The secondary-phase tooth parts are alternately arranged with the primary-phase tooth parts with stator slot positioned in between them. The fact that the number of rotor slot is at least two times as many as that of the stator slot is capable of lowering the vibration and noise of the capacitor-operated motor having a single winding span.

Method for manufacturing stator, apparatus for manufacturing stator, and stator

A method for manufacturing a stator includes preparing a stator core having a plurality of teeth, a plurality of coils having a plurality of lead lines, a substrate having a plurality of connecting portions, and a plurality of positioning jigs having restraining portions. The method includes positioning the substrate and the lead lines so that distal portions of the lead lines are separated from the connecting portions in at least one of a radial direction and a circumferential direction. The method further includes inserting the lead lines in the restraining portions, aligning the distal portions of the lead lines with the corresponding connecting portions using the positioning jigs, inserting the lead lines into the corresponding connecting portions, and electrically connecting the lead lines inserted in the connecting portions to the corresponding connecting portions.

Brushless motor

A brushless motor includes a stator core having 3 M teeth, with M being an integer not less than 2, a rotor received in the stator core, 3 M coils respectively wound around the 3 M teeth, and a printed circuit board (PCB) fixed to the stator core and electrically connected to the 3 M coils such that the 3 M coils are connected in delta and correspond to three phase windings. Each phase includes at least two coils connected in parallel.

SUPERCONDUCTING ELECTRICAL MACHINE HAVING A CONNECTION DEVICE FOR AXIAL EXPANSION COMPENSATION OF A WINDING FORMER

A superconducting electrical machine includes a rotor with a rotor outer housing surrounding a winding support having a superconducting winding. The rotor has on a torque-transmitting side a first, rigid connection device between the winding support and the rotor outer housing and on the opposite side a second connection device which compensates for axial expansion of the winding support. The second connection device has an axially extending connection element which is on one end connected rigidly to the winding support and which has on the opposite free end an axially moving, radially force-fitting connection to a centering holding element of the rotor outer housing. The holding element includes a bushing through the rotor outer housing, through which the free end of the connection element of the second connection device passes. The superconducting winding is cooled and thermally insulated. 112-. (canceled)13. A superconducting electrical machine , comprising:an outer machine housing having a stator, anda rotor supported in the outer machine housing by rotor shaft parts for rotation about a rotation axis, the rotor comprising a rotor outer housing and a cooled and thermally insulated winding support having first and second opposing axial ends and carrying at least one superconducting winding,wherein a first connection device rigidly connecting the winding support to the rotor outer housing is arranged on the first axial end, and a second connection device is arranged on the second axial end between the winding support and the rotor outer housing, said second connection device compensating for changes in axial expansion in the winding support and comprising at least one axial connection element having a first end rigidly connected to the winding support and an opposite free end connected by way of a radially force-fitting and axially movable connection to at least one centering mounting element of the rotor outer housing,wherein the centering mounting element ...

ELECTRIC MOTOR

A bobbin for supporting a winding on electric motor stator laminations includes a first flange member and a second flange member substantially parallel to the first flange member. A winding hub includes an inner hub portion coupled to the first flange member and a flared portion connecting the inner hub portion to the second flange member such that a winding span defined between the first flange member and the flared portion tapers from the second flange member to the inner hub portion. An inner surface of the winding hub defines a bobbin aperture for receiving stator laminations of the motor. A rib member is coupled to the inner surface and extends into the aperture for engaging the laminations. 1. A bobbin for supporting a winding on electric motor stator laminations , the bobbin comprising:a first flange member;a second flange member substantially parallel to the first flange member;a winding hub including an inner hub portion coupled to the first flange member and a flared portion connecting the inner hub portion to the second flange member such that a winding span defined between the first flange member and the flared portion tapers from the second flange member to the inner hub portion, an inner surface of the winding hub defining a bobbin aperture for receiving stator laminations of the motor; anda rib member coupled to the inner surface and extending into the aperture for engaging the laminations.2. The bobbin of claim 1 , wherein the aperture has a polygonal profile.3. The bobbin of claim 2 , wherein the aperture has a rectangular profile.4. The bobbin of claim 1 , wherein the aperture is configured to receive a radial tooth of a stator lamination.5. The bobbin of claim 4 , wherein the flared portion is configured to substantially conform to a profile of the stator lamination.6. The bobbin of claim 1 , further comprising an electrically conductive terminal for coupling the bobbin to a printed circuit board (PCB).7. The bobbin of claim 4 , wherein the ...

Armature and motor

An insulator of an armature includes an upper resin member and a lower resin member. Each of the upper and lower resin members includes decreased thickness portions. Axial positions of the decreased thickness portions of the upper and lower resin members are arranged to overlap at least partially with each other. Each of the upper and lower resin members further includes a rib arranged to project from a corresponding one of the decreased thickness portions. The rib improves the strength of the corresponding decreased thickness portion and reduces the likelihood that any of the decreased thickness portions of the upper and lower resin members will be damaged when the two members are fitted to each other.

STATOR, BRUSHLESS MOTOR, STATOR MANUFACTURING METHOD

A stator includes: plural core configuration sections each including plural yoke configuration sections that configure a ring shaped yoke and are segmented in a yoke circumferential direction and plural teeth sections that project from the respective yoke configuration sections along a yoke radial direction, with the plural yoke configuration sections and the plural teeth sections integrated together; plural coil wires that are wound onto the respective teeth sections to configure plural winding portions; and plural insulators that each include plural insulator portions that are integrated to each of the respective core configuration sections and insulate between the teeth sections and the winding portions, and a connection portion that connects together the plural insulator portions. 1. A stator comprising:a plurality of core configuration sections each comprising a plurality of yoke configuration sections that configure a ring shaped yoke and are segmented in a yoke circumferential direction and a plurality of teeth sections that project from the respective yoke configuration sections along a radial direction of the yoke, with the plurality of yoke configuration sections and the plurality of teeth sections integrated together;a plurality of coil wires that are wound onto the respective teeth sections to configure a plurality of winding portions; anda plurality of insulators that each includes a plurality of insulator portions that are integrated to each of the respective core configuration sections and insulate between the teeth sections and the winding portions, and a connection portion that connects together the plurality of insulator portions.2. The stator of claim 1 , wherein the plurality of coil wires configure a plurality of phases.3. The stator of wherein:each of the coil wires includes a plurality of crossing wires that connect together the plurality of winding portions and are laid out at the connection portion;the plurality of connection portions are ...

Manufacturing method of shield type motor

A manufacturing method of shield type motor includes the following steps: a): providing an iron core; b): providing a plastic shell and having the exterior face of the plastic shell press against the interior face of the iron core; c): providing a plurality of connected enamel-covered coils for being wound around the bobbin; d): providing a wire fastener for bundling the first material of plastics and the second material of plastics; e): providing a protecting jacket to be connected to the plastic shell and for containing the plurality of enamel-covered coils; f): providing a mold to let the iron core place in the mold and having the first material of plastics teem into the mold; g): having the second material of plastics teem into the mold; and h): removing the mold to expose a main body.

ELECTRIC MACHINE AND STATOR FOR SAME

The invention relates to a stator for an electric machine, comprising at least two sub-stators having respective grooves for receiving windings. The groove openings of the two sub-stators are displaced in relation to each other in the circumferential direction. The invention further relates to an electric machine comprising the stator. The two sub-stators are combined with each other axially and/or in the circumferential direction.

WINDING FRAME WITH MAGMATE AND STATOR CORE WITH THE SAME

The present invention relates to a stator core including at least two or more stator core-continuous bodies each formed by coupling at least two or more unit cores to each other, each unit core consisting of a tooth portion having a coupling slot and a coupling projection formed along both ends thereof and connected to adjacent unit core by means of a connection portion formed at each of both end portions of the tooth portion, wherein the at least two or more stator core-continuous bodies are fitting-connected to each other by means of the coupling slots formed at one side ends thereof and the coupling projections formed at the other side ends thereof to form the stator core having a round shape. 1. A winding frame comprising:an outer peripheral portion having a connection portion formed at each of both ends thereof;a winding portion; andan inner peripheral portion.2. The winding frame according to claim 1 , wherein the outer peripheral portion has at least one or more coil introducing parts formed thereon.3. The winding frame according to claim 1 , wherein the outer peripheral portion has coil guides by which coils are not brought into contact with one another.4. The winding frame according to claim 1 , wherein the outer peripheral portion has a PCB guide protrusion formed on the top portion thereof so as to couple a PCB thereto.5. The winding frame according to claim 1 , wherein the inner peripheral portion has a PCB coupling protrusion formed on the top portion thereof so as to couple the PCB thereto.6. A winding frame-continuous body having at least one or more winding frames according to connected one after another.7. The winding frame-continuous body according to claim 6 , wherein at least one or more outer peripheral portions of the winding frames have magmates disposed for coil connection. The present application is a Continuation Application of U.S. patent application Ser. No. 13/422,543 (filed on Mar. 16, 2012) under 35 U.S.C. §120, which claims the ...

INSULATOR FOR STATOR ASSEMBLY OF BRUSHLESS DC MOTOR

An insulator for a stator assembly includes at least a first insulator adapted to be mounted to the stator core and structured to insulate the stator core from the coils. The at least one insulator includes structure to perform at least one additional function. For example, the structure may include a support member to support and/or locate the PCBA on the stator core, a wire guide to guide cross-over wires that form a connection between coils, and/or positioning structure to precisely position the PCBA with respect to the coils. 1. An insulator for a stator assembly including a stator core having a plurality of teeth , coils wound around the teeth , and a PCBA , the insulator comprising:at least one insulator adapted to be mounted to the stator core and structured to insulate the stator core from the coils,said at least one insulator including structure to perform at least one additional function.2. The insulator according to claim 1 , wherein said structure includes a support member to support and/or locate the PCBA on the stator core.3. The insulator according to claim 1 , wherein said structure includes a wire guide to guide cross-over wires that form a connection between coils.4. The insulator according to claim 1 , wherein said structure includes positioning structure to precisely position the PCBA with respect to the coils.5. An insulator for a stator assembly including a stator core having a plurality of teeth claim 1 , coils wound around the teeth claim 1 , and a PCBA claim 1 , the insulator comprising:at least a first insulator adapted to be mounted to the stator core and structured to insulate the stator core from the coils,the first insulator including a support member to support and/or locate the PCBA on the stator.6. The insulator according to claim 5 , wherein the first insulator is adapted to be mounted to a first side of the stator core and further comprising a second insulator adapted to be mounted to a second side of the stator core opposite to ...

POLE PIECE AND YOKE CONNECTION FOR DC MOTOR

A motor including a rotor and a field frame is provided. The field frame comprises a generally annular yoke, a plurality of generally arcuately spaced apart pole pieces extending from the yoke, and a winding extending at least in part about the pole pieces. The yoke includes a plurality of pole piece connection locations. Each of the pole pieces is associated with a corresponding one of the connection locations. The pole pieces and the yoke are connected at the pole piece connection locations in an interlocking manner. 1. A motor including a rotor and a field frame , said field frame comprising:a generally annular yoke;a plurality of generally arcuately spaced apart pole pieces extending from the yoke; anda winding extending at least in part about the pole pieces, a generally radially extending body having a first radial body end and a second radial body end, and', 'a shoe extending generally circumferentially adjacent the first radial body end,', 'said second radial body end including a pair of arms defining a yoke-receiving recess therebetween,, 'each of said pole pieces including'} 'a generally radially extending yoke projection located circumferentially between the arm-receiving recesses,', 'said yoke including a plurality of pole piece connection locations, each of which includes a pair of spaced apart, generally radially-extending arm-receiving recesses, and'}each of the pole pieces being associated with a corresponding one of the connection locations, with the arms being received in respective ones of the arm-receiving recesses and the yoke projection being received in the yoke-receiving recess.2. The motor as claimed in claim 1 ,each of said arms being flared.3. The motor as claimed in claim 2 ,said arms being flared toward one another.4. The motor as claimed in claim 2 ,each of said arms including opposite first and second radial arm ends,each of said arms being flared toward one of the radial arm ends.5. The motor as claimed in claim 4 ,said second radial ...

DISK MOTOR, ELECTRIC WORKING MACHINE INCLUDING DISK MOTOR AND METHOD FOR MANUFACTURING DISK MOTOR

A disk motor including: a rotor; a stator; an output shaft concentrically fixed to the rotor; at least one coil disk which is provided to one of the rotor or the stator, a coil pattern which includes a plurality of radial patterns or radial pattern groups extending outwards in a radial direction from a center part of the coil disk being formed on at least one surface of the coil disk; an electric current supply portion which supplies electric current to the coil pattern; a magnetic flux generating portion which is provided to another of the rotor or the stator and faces the coil pattern; and an intermediate pattern which is formed between adjacent radial patterns or adjacent radial pattern groups on the coil disk. 1. A disk motor comprising:a rotor;a stator;an output shaft concentrically fixed to the rotor;at least one coil disk which is provided to one of the rotor or the stator, a coil pattern which includes a plurality of radial patterns or radial pattern groups extending outwards in a radial direction from a center part of the coil disk being formed on at least one surface of the coil disk;an electric current supply portion which supplies electric current to the coil pattern;a magnetic flux generating portion which is provided to another of the rotor or the stator and faces the coil pattern; andan intermediate pattern which is formed between adjacent radial patterns or adjacent radial pattern groups on the coil disk.2. The disk motor according to claim 1 ,wherein the coil disk includes at least two coil disks which are bonded to each other,wherein the intermediate pattern includes a reinforcing pattern, andwherein the surface of the coil disk on which the reinforcing pattern is formed constitutes a bonding surface with another coil disk.3. The disk motor according to claim 2 ,wherein the reinforcing pattern includes small patterns which are electrically insulated from each other.4. The disk motor according to claim 3 ,wherein each of the small patterns are ...

Electric motor and fuel pump using the same

An electric motor has multiple core portions, multiple bobbins covering the respective core portions, and multiple coil windings wound on the respective core portions and bobbins. Each of the bobbins has a first and a second circumferential forward ends, at which a first and a second holding portions are formed. The first holding portion holds a winding-start portion and the second holding portion holds a winding-end portion. The winding-start portion is prevented from being brought into contact with the winding-end portion and main winding portion of the coil winding between the winding-start portion and the winding-end portion.

COIL FIXING DEVICE FOR FIXING COIL TO ELECTRIC MOTOR, AND ELECTRIC MOTOR HAVING THE COIL FIXING DEVICE

A coil fixing device capable of accurately positioning and fixing a coil to a slot of a stator core of an electric motor, and an electric motor having the fixing device, while not using adhesive and having a structure not affecting the characteristic of the electric motor. A positioning member of the fixing device has a coupling member positioned at an axial end of the stator core; a plurality of protruding portions connected to the coupling member at the same angular intervals as the coils, each protruding portion radially inwardly extending from the coupling member; and a latching portion connected to a front end of each protruding portion, the latching portion extending from the front end of each protruding portion in a direction across an extending direction of the protruding portion. 1. A coil fixing device for an electric motor including a stator having a stator core with a plurality of slots , a rotor rotatable relative to the stator , and a plurality of coils respectively inserted into the plurality of slots , the coil fixing device being used to position and fix each of the plurality of coils to the stator core , the coil fixing device having a coil positioning member comprising:a coupling member positioned at an axial end of the stator core;a plurality of protruding portions connected to the coupling member at the same angular intervals as the plurality of coils, each protruding portion radially inwardly extending from the coupling member; anda latching portion connected to a front end of each protruding portion, the latching portion extending from the front end of each protruding portion in a direction across an extending direction of the protruding portion.2. The coil fixing device as set forth in claim 1 , wherein at least two kinds of coil positioning members are located at both axial ends of the stator core claim 1 , the coil positioning members having latching portions which have different lengths and extend in directions away from the stator core.3. ...

Motor and fan

A base plate of a motor includes an inner bottom plate portion and an elevated portion. A land portion is arranged on an upper surface of a portion of a circuit board which overlaps with the inner bottom plate portion in a plan view, or on a portion of the circuit board which overlaps with the elevated portion in the plan view. A conducting wire extending from a coil is electrically connected to the land portion. This structure enables the conducting wire to be connected to the land portion on the circuit board without the conducting wire being drawn outward beyond an outer circumferential end portion of the base plate. The axial position of the conducting wire connected to the land portion and the axial position of the base plate at least partially overlap with each other.

POWER TOOL WITH MOTOR HAVING A MULTI-PIECE STATOR

A power tool is provided including a housing and an electric motor disposed in the housing. The motor includes a stator having pole pieces mated together and field coils disposed on the pole pieces, the stator having an outside diameter. The motor also includes an armature having an outside diameter that is at least 0.625 of the outside diameter of the stator. 1. An electric motor , comprising:a stator having pole pieces mated together and field coils disposed on the pole pieces, the stator having an outside diameter; andan armature having an outside diameter that is at least 0.625 of the outside diameter of the stator.2. The motor of wherein the field coils extend beyond pole tips of the pole pieces on which they are disposed.3. The motor of including insulating sleeves in which the field coils are received claim 1 , the insulating sleeves disposed between the field coils and surfaces of the pole pieces.4. The motor of wherein the pole pieces have mating features.5. The motor of wherein lengths of coil ends of each field coil are insulated with one of TFE and PTFE tubing to provide lead wires for each field coil.6. The motor of wherein the motor is thermally balanced.7. An electric motor claim 1 , comprising:a stator having pole pieces mated together and field coils disposed on the pole pieces, the field coils extending beyond pole tips of the pole pieces on which they are disposed, the stator having an outside diameter; andan armature having an outside diameter that is at least 0.625 of the outside diameter of the stator.8. The motor of wherein the field coils have an included angle of at least 110% of an included angle of the pole tips.9. The motor of wherein the field coils have a packing factor of at least 60%.10. The motor of including insulating sleeves in which the field coils are received claim 7 , the insulating sleeves disposed between the field coils and surfaces of the pole pieces.11. The motor of wherein the pole pieces have mating features.12. A hand- ...

APPARATUS TO SUPPORT SUPERCONDUCTING WINDINGS IN A ROTOR OF AN ELECTOMOTIVE MACHINE

An apparatus (structure) is provided to support a superconductor winding () of an electromotive machine. One or more elongated loops () and appropriate support structure () may be arranged to provide radial and tangential support to the superconducting winding (). The elongated loops may be made of a material substantially resistant to heat flow. An axially-extending base assembly () may be arranged to anchor loops () with respect to the rotor core at a proximate end () of the elongated loops. A cradle () may be configured to define a recess () to receive the superconductor winding and to support the elongated loops at a distal end () of the loops. 1. An apparatus to support a superconductor winding in a spaced apart relationship from a rotor core of an electromotive machine , comprising:a cradle configured to define a recess to receive the superconductor winding;at least a first elongated loop and at least a second elongated loop each arranged at a respective angle relative to a radial axis to provide radial and tangential support to the cradle, wherein the elongated loops comprise a respective material substantially resistant to heat flow, wherein the cradle is arranged to support said at least first loop and said at least second loop at respective distal ends of the elongated loops; andan axially-extending base assembly arranged to anchor said at least first loop and said at least second loop with respect to the rotor core at respective proximate ends of the elongated loops, which proximate ends are respectively located on first and second mutually opposite sides of the radial axis.2. The apparatus of claim 1 , wherein the cradle comprises an arch-shaped exterior surface configured to receive the respective distal ends of the elongated loops.3. The apparatus of claim 1 , further comprising a pedestal arranged to close a bottom side of the recess and support the superconducting winding in the cradle.4. The apparatus of claim 1 , wherein the axially-extending base ...

CORE WINDING METHOD AND STATOR

In a method for winding a core having an arch-like yoke portion, a tooth portion, and a tooth end portion by revolving a nozzle for feeding a conductive wire, when winding is performed in a bow-like area surrounded by an inner circumferential arc of the yoke portion and the chord thereof, upon winding on an end surface of the core, the nozzle moves so as to draw a convex-shaped trajectory proceeding from the tooth end portion side toward the yoke portion side with reference to the chord of the bow-like area, and upon winding on a side surface of the core, the nozzle returns from the yoke portion side to the tooth end portion side with reference to the chord of the bow-like area, and then moves along the side surface of the core. 1. A core winding method for , by revolving a nozzle for feeding a conductive wire , winding the conductive wire on a core having: an arch-like yoke portion; a tooth portion protruding radially inward from the center portion of the yoke portion; and a tooth end portion connected to the end of the tooth portion , the core winding method comprising the steps of , in the case of performing winding in a bow-like area surrounded by an arc of the inner circumference of the yoke portion and a chord of the arc:upon winding on an end surface of the core, winding the conductive wire by moving the nozzle so as to draw a convex-shaped trajectory proceeding from the tooth end portion side toward the yoke portion side with reference to the chord of the bow-like area; andupon winding on a side surface of the core, winding the conductive wire by returning the nozzle from the yoke portion side to the tooth end portion side with reference to the chord of the bow-like area, and then moving the nozzle along the side surface of the core.2. The core winding method according to claim 1 , wherein the conductive wire is wound on the core on which an insulator has been attached claim 1 , the insulator having: a winding frame portion positioned at least on an end ...

INTEGRATED PHASE CONNECTION ISOLATOR WITH INDIVIDUAL PHASE ISOLATOR

A stator assembly includes a coil isolator having a first flange, a phase separator, and a living hinge connecting the first flange and the phase separator, the coil isolator structured for enclosing a stator lamination stack and for winding a coil thereon in electrical isolation from the stack, the phase separator being radially closeable for enclosing a portion of the coil within the coil isolator. A method of forming a stator includes placing an isolator onto a lamination stack segment, winding a coil onto the isolator, folding a phase separator of the isolator to enclose a portion of the coil, and placing a plurality of bus bars onto the phase separator in physical partition from one another. A method of insulating a phase bus from a stator coil includes forming a coil insulator having a bobbin, a phase separator, and a living hinge coupling the bobbin to the phase separator. 1. A stator assembly of an electric machine , comprising a coil isolator having a first flange , a phase separator , and a living hinge connecting the first flange and the phase separator , wherein the coil isolator is structured for enclosing a portion of a stator lamination stack and for winding a coil thereon in electrical isolation from the stack , the phase separator being radially closeable for enclosing a portion of the coil within the coil isolator.2. The stator assembly of claim 1 , further comprising a latch structured for securing the phase separator in a closed position.3. The stator assembly of claim 1 , wherein the living hinge is formed as a series of individual living hinges.4. The stator assembly of claim 3 , wherein respective dimensions of the individual living hinges vary according to a force distribution profile for the series.5. The stator assembly of claim 4 , wherein the force distribution profile is based on temperature-related properties of hinge materials.6. The stator assembly of claim 4 , wherein the force distribution profile is based on at least one of ...

RELUCTANCE MOTOR

Some exemplary reluctance motors disclosed herein comprise a rotor having a plurality of radially outwardly projecting rotor poles and a plurality of generally U-shaped stator units positioned circumferentially around the rotor. Each stator unit is spaced circumferentially apart and magnetically isolated from adjacent stator units. Each stator unit comprises a circumferentially extending yoke and two stator poles extending radially inwardly from the yoke, such that the stator poles are positioned adjacent to the rotor poles. The motor further comprises a plurality of coils of electrical conductors, wherein each of the coils is coiled around a respective one of the yokes of the stator units. In some embodiments, non-magnetic stator supports are positioned between the stator units and configured to engage circumferential sides of the stator units to hold the stator units in radial and circumferential alignment with the rotor. 1. A reluctance motor comprising:a rotor having a plurality of radially outwardly projecting rotor poles and being rotatable about a central rotation axis;a plurality of stator units positioned circumferentially around the rotation axis and radially outwardly of the rotor, each stator unit being spaced circumferentially apart from adjacent stator units, wherein each stator unit comprises a circumferentially extending yoke and two stator poles extending radially inwardly from the yoke, such that the stator poles are positioned adjacent to the rotor poles;a plurality of coils of electrical conductors, wherein at least one of the coils is coiled around one of the yokes of the stator units.2. The motor of claim 1 , wherein the stator units each comprise a generally U-shaped lamination stack and the stator units are magnetically isolated from one another.3. The motor of claim 1 , wherein each coil comprises an outer portion and an inner portion claim 1 , the outer portion being located along a radially outer side of the respective yoke and the inner ...

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.

Rotating Electrical Machine

In a rotating electrical machine, the concentrated winding coil includes a single-layer coil, corresponding to one layer, wound in a first turn advancing mode with the wire forming sequential coil turns starting from one end of the insulating bobbin toward another end of the insulating bobbin and another single-layer coil, corresponding to one layer, wound in a second turn advancing mode with the wire forming turns starting from the other end of the insulating bobbin toward the one end of the insulating bobbin, with the single-layer coil and the other single-layer coil layered alternately to each other. The insulating bobbin includes a winding portion where the concentrated winding coil is formed, collars each formed at one of two ends of the winding portion and at least one projecting portion configured to disallow misalignment at a turn changeover start area in the first and second turn advancing modes.

Stator of rotary electric machine, and manufacturing method therefor

A stator of a rotary electric machine, in which an insulating capacity higher than or equal to an insulating capacity of a flat portion of a stator core can be maintained at edge portions of the stator core. The stator of the rotary electric machine includes a core-sheet laminate that is formed by laminating a plurality of core sheets made of metal plates; a coating film that is made of an insulating paint coated on a surface of the core-sheet laminate; a stator coil that is made of a conductive wire wound around the core-sheet laminate via the coating film; and bobbins made of an insulating material, which are inserted between the coating film and the stator coil and prevent the conductive wire of the stator coil from contacting the coating film that is coated on edge portions of the core-sheet laminate, or relieve pressure caused by the contact.

STATOR OF ROTATING ELECTRIC MACHINE

A stator includes an annular stator core having a plurality of slots arranged in the circumferential direction at predetermined intervals and a stator coil formed of a plurality of electric conductor wires mounted on the stator core. Each of the electric conductor wires has a plurality of in-slot portions received in the slots of the stator core and a plurality of turn portions that connect, on the outside of the slots, adjacent pairs of the in-slot portions. The stator coil has first and second coil end parts and that respectively protrude axially outward from a pair of axial end faces of the stator core. At each of the coil end parts, the turn portions of the electric conductor wires are stacked in a radial direction of the stator core, and the axial heights h of the turn portions are set so as to gradually increase from the radially inside to the radially outside. 1. A stator of a rotating electric machine , the stator comprising an annular stator core having a plurality of slots arranged in a circumferential direction at predetermined intervals and a stator coil formed of a plurality of electric conductor wires mounted on the stator core ,whereinthe stator coil has a pair of coil end parts that respectively protrude axially outward from a pair of axial end faces of the stator core,at each of the coil end parts, the electric conductor wires are stacked in a radial direction of the stator core,for each radially-adjacent pair of the electric conductor wires, an axial height of the radially outer electric conductor wire is set to be equal to or greater than that of the radially inner electric conductor wire, andthe axial height of the radially outermost electric conductor wire is set to be greater than that of the radially innermost electric conductor wire, each of the electric conductor wires has a plurality of in-slot portions received in the slots of the stator core and a plurality of turn portions that connect, on the outside of the slots, adjacent pairs of the ...

ELECTRIC MOTOR

An electric motor includes a stator, a case surrounding the stator, and a rotor rotatably disposed with respect to the stator. The rotor includes a rotor core having a plurality of poles and slots, a shaft coupled to a central portion of the rotor core, a rotor coil wound on the rotor core, and coil supporting members provided at the rotor core. The coil supporting members are configured to support the rotor coil such that the rotor coil is prevented from being separated from the rotor core in a radial direction when the rotor rotates. Under such a configuration, a short-circuit of the rotor coil due to a centrifugal force when the rotor rotates, can be prevented. 1. An electric motor , comprising:a stator;a case surrounding the stator; anda rotor rotatably disposed with respect to the stator, a rotor core having a plurality of poles and slots;', 'a shaft coupled to a central portion of the rotor core;', 'a rotor coil wound on the rotor core; and', 'coil supporting members provided at the rotor core, to support the rotor coil such that the rotor coil is prevented from being separated from the rotor core in a radial direction when the rotor rotates., 'wherein the rotor includes2. The electric motor of claim 1 , wherein the coil supporting members are coupled to the rotor core.3. The electric motor of claim 1 , wherein the coil supporting members include:a hub coupled to the shaft;a plurality of spokes extending from the hub in a radial direction; andsupporting portions protruding from the ends of the spokes in an axial direction, to support coil ends of the rotor coil.4. The electric motor of claim 3 , wherein each pole of the rotor core is provided with a pole shoe extending in a circumferential direction claim 3 ,wherein the pole shoe of the rotor core has a thickness smaller than that of the supporting portion in a radial direction, andwherein a spacer having a thickness corresponding to the difference between the two thicknesses of the supporting portion and the ...

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, ...

INTERCONNECTOR FOR A STATOR OF AN ELECTRICAL MACHINE AND STATOR OF AN ELECTRICAL MACHINE COMPRISING AN INTERCONNECTOR OF THIS TYPE

An interconnector having circular conductors for a stator of a polyphase rotary electric machine including a body having a winding provided with a plurality of coils each having input and output ends, the interconnector comprising a first portion including at least three circular conductors having an annular shape stacked axially on top of one another and electrically isolated from one another, and a second portion including at least one electrically insulated circular conductor having an annular shape. The first and second portions are intended for being installed on either side of the body of the stator. The circular conductors of the first portion and the circular conductors of the second portion have, on the inner periphery thereof, tabs projecting inwardly for welding the input ends and the output ends of the coils, respectively. 13134111219191192223234223112323422312236191192abab. Interconnector with conductors (-) with an annular form for a stator of a polyphase rotary electrical machine comprising a stator () body () which supports a winding provided with a plurality of coils () , each of which has input () and output () ends , wherein it comprises a first part () comprising at least three conductors (-) with an annular form stacked axially on one another and insulated electrically against one another , and a second part () comprising at least one conductor () with an annular form which is insulated electrically , said first and second parts being designed to be implanted on both sides of the stator body () , and in that the conductors (-) with an annular form of the first part () and the conductor () with an annular form of the second part () support on their inner periphery lugs () which extend projecting towards the interior , for welding respectively of the input ends () and output ends () of the coils.2312219b. Interconnector according to claim 1 , wherein the conductor () of the second part () is a neutral conductor for electrical coupling of the coils ...

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 ...

Method for manufacturing stator of rotary electric machine

A method for manufacturing a stator of a rotary electric machine includes: assembling an insulator and a stator coil to a tooth; and after assembling, pouring a liquid adhesive into an opening of the insulator from an outer side of the stator coil so as to fix the stator coil to a stator core.

ARMATURE AND ROTATING ELECTRIC MACHINE

Provided are: a back yoke portion formed in an annular shape; a plurality of tooth portions arranged annularly on an inner periphery of the back yoke portion and forming a plurality of slots that are spaced apart in a circumferential direction and open on an outer peripheral side, the plurality of tooth portions being fitted to an inner peripheral surface of the back yoke portion; a coil housed in the plurality of slots; and a wedge disposed between the coil and the back yoke portion, at an opening of each of the plurality of slots. 1. An armature comprising:a back yoke portion formed in an annular shape;a plurality of tooth portions arranged annularly on an inner periphery of the back yoke portion and forming a plurality of slots that are spaced apart in a circumferential direction and open on an outer peripheral side, the plurality of tooth portions being fitted to an inner peripheral surface of the back yoke portion;a coil housed in the plurality of slots; anda wedge disposed between the coil and the back yoke portion, on an opening side of each of the plurality of slots.2. The armature according to claim 1 , whereinan insulating sheet is formed between the coil and each tooth portion, anda thickness of the wedge is set to be greater than a thickness of the insulating sheet.3. The armature according to claim 2 , wherein the insulating sheet is formed between the coil and the wedge.4. The armature according to claim 1 , wherein each of the back yoke portion and the tooth portions is formed by stacking a plurality of steel plates.5. The armature according to claim 1 , wherein a length of the wedge in an axial direction is set to be greater than a length of each tooth portion in the axial direction.6. The armature according to claim 1 , whereina protrusion protruding in the circumferential direction is formed on one end of the wedge in an axial direction, andthe protrusion abuts one end of each tooth portion in the axial direction.7. The armature according to claim ...

ROTARY ELECTRIC MACHINE

A rotary electric machine includes magnetic poles to which a coil is attached. A connection portion between a conductive member and a coil end of the coil is arranged in an inter-pole gap between the magnetic poles. The rotary electric machine may include a rotor and a stator. The magnetic poles may be magnetic poles of the stator. 1. A rotary electric machine comprisinga plurality of magnetic poles to which a coil is attached, whereina connection portion between a conductive member and a coil end of the coil is arranged in an inter-pole gap between the plurality of magnetic poles.2. The rotary electric machine according to claim 1 , comprisinga rotor and a stator, whereinthe plurality of magnetic poles are magnetic poles of the stator.3. The rotary electric machine according to claim 2 , whereinthe rotor is arranged radially outward of a rotary body, and the stator is arranged further radially outward of the rotor.4. The rotary electric machine according to claim 1 , whereinthe conductive member includes a plurality of power end members,the connection portion is one of a plurality of connection portions,each of the plurality of power end members has at least one of the plurality of connection portions,the inter-pole gap is one of a plurality of inter-pole gaps defined by the plurality of magnetic poles, andeach of the plurality of connection portions is arranged in different one of the plurality of inter-pole gaps.5. The rotary electric machine according to claim 1 , whereinthe conductive member includes a neutral point member,the connection portion is one of a plurality of connection portions of the neutral point member,the inter-pole gap is one of a plurality of inter-pole gaps defined by the plurality of magnetic poles, andeach of the plurality of connection portions is arranged in different one of the plurality of inter-pole gaps.6. The rotary electric machine according to claim 4 , further comprisinga terminal block supporting the plurality of power end ...

Stator For An Electrical Machine Having an Interconnection Device For Stator Coils, And Electrical Machine Having A Stator Of This Kind

A stator of an electric machine has an annular stator lamination stack at which stator coils with coil ends are arranged by winding bodies and are interconnected with an interconnection device that has a plurality of connection conductors arranged coaxially to one another and which are electrically insulated from one another by insulating layers. The connection conductors have coil connection regions for the coil ends and power connection regions for supplying power to the electric machine (). The connection conductors are annular disks and are arranged in an axially staggered manner at the stator. Each connection conductor has at least one fastening portion for fastening to the stator and a winding body has at least one connection area. The fastening portions of the connection conductors are arranged to overlap one another, and the connection conductors are fastened along with them to the connection area of the winding body. 115.-. (canceled)16. A stator of an electric machine comprising:a quantity of stator coils with coil ends;insulating layers;an annular stator lamination stack at which the quantity of stator coils with coil ends is arranged;a plurality of connection conductors constructed as annular disks and are arranged in an axially staggered manner at the stator and having coil connection regions for the coil ends and power connection regions for supplying power to the electric machine;an interconnection device for the quantity of stator coils which is arranged at the stator lamination stack on a front side, wherein the interconnection device has the plurality of connection conductors arranged coaxial to one another and which are electrically insulated from one another by the insulating layers; andat least one fastening portion for each connection conductor configured to fasten each connection conductor to the stator, wherein the fastening portions of the connection conductors are arranged so as to overlap one another; anda winding body has at least one ...

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.

Stator and brushless motor and motor actuator using the stator

A stator has a core, an insulating member that covers the core, windings that are wound around the insulating member, and conductive members that supply drive power to the windings. The conductive member has a joining part that contacts a lower surface of the insulating member, an insertion part that rises axially upward from one end of the joining part, and a board connection part that descends axially downward from the other end of the joining part. The insertion part penetrates through the insulating member and protrudes at the top of the stator, where it is connected to a coil end. The board connection part is fixed, by a method such as press-fitting, to a circuit board on which a Hall element or the like is mounted. 1. A stator , which is a component of a brushless motor , and which generates a rotating magnetic field with respect to a rotor that can rotate around a central axis , wherein:the stator hasa core comprising a magnetic body,an insulating member that covers the core,a winding that is wound on the insulating member, anda conductive member for supplying drive power to the winding;the conductive member comprisesa joining part that is in contact with the lower surface of the insulating member,an insertion part that rises axially upward from one end of the joining part, anda board connection part descending axially downward from the other end of the joining part;the insulating member has a penetrated part for penetration in the axial direction by the insertion part; andthe insertion part is inserted into the penetrated part from below the insulating member, penetrates the penetrated part, and is electrically connected to the winding above the insulating member.2. The stator according to claim 1 , whereinthe insulating member has a receiving groove at a location contacted by the joining part, for receiving the joining part.3. The stator according to claim 1 , whereinthe insulating memberhas a first core cover that is mounted on the core from above in the ...

MOTOR

A motor includes: a stator including assemblies; and a rotor disposed on one side of the stator. Each of the assemblies includes: a bobbin; a core inserted into the bobbin; and a coil surrounding an outside of the bobbin. The bobbin includes: a main through hole into which the core is inserted; and a sub-through hole disposed in either one of a top surface and a bottom surface on one side of the main through hole. An inner space of the bobbin is communication with the outside of the bobbin through the sub-through hole. 1. A motor , comprising:a stator comprising assemblies; anda rotor disposed on one side of the stator, a bobbin;', 'a core inserted into the bobbin; and, 'wherein each of the assemblies comprisesa coil surrounding an outside of the bobbin, a main through hole into which the core is inserted; and', 'a sub-through hole disposed in either one of a top surface and a bottom surface on one side of the main through hole, and, 'wherein the bobbin includeswherein an inner space of the bobbin is communication with the outside of the bobbin through the sub-through hole.2. The motor of claim 1 , wherein grating structures claim 1 , in which bars are arranged spaced apart from each other claim 1 , are disposed in an outer surface of the bobbin claim 1 , andwherein the sub-through hole is formed by an empty space between the bars.3. The motor of claim 2 , wherein the bobbin further includes a reinforcing member disposed on either one of an inner surface of the bobbin and a portion of the outer surface of the bobbin in which the bars are disposed claim 2 , and extending along a direction in which the bars are arranged.4. The motor of claim 3 , wherein the reinforcing member is attached to either one of the outer surface of the bobbin and the inner surface of the bobbin.5. The motor of claim 3 , wherein the reinforcing member is integrally formed with the either one of the outer surface of the bobbin and the inner surface of the bobbin.6. The motor of claim 1 , ...

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 ...

Rotary electric machine stator

A rotary electric machine stator includes a stator core including a plurality of teeth, a coil wound around the teeth, a power wire being drawn out from the coil, and a retainer member that presses the coil end against the stator core. The retainer member includes a pressing portion disposed on an end surface in an axis direction of the coil end, leg portions extending from respective end portions on opposite sides of the pressing portion toward respective attachment portions provided at the stator core, and attachment ends provided at the respective leg portions and fixed to the respective attachment portions, and the power wire is drawn out from between the leg portions on the opposite sides of the pressing portion.

Electric Compressor

Electric compressor has electric motor housed in casing the motor including stator having yoke portion and plural tooth portions , and rotor disposed radially inside stator Protrusion protrudes at plural circumferential positions of inner periphery of casing which has protruding end surface contacting an outer periphery of yoke portion with width larger than tooth portion . Contact tooth back portion contacts protruding end surface out of plural tooth back portions each disposed behind tooth portion as part of the outer periphery of yoke portion , is formed in a region except both edge portions of protruding end surface in a circumferential direction within a circumferential angle range θ in which the protruding end surface is located. 1. An electric compressor which is driven by an electric motor and compresses refrigerant , and in which the electric motor is housed in a cylindrical casing , the motor including a stator having an annular yoke portion and a tooth portion formed protruding at a plurality of positions spaced apart in a circumferential direction of an inner periphery of the yoke portion , and a rotor disposed radially inside the stator , the electric compressor comprisinga protrusion formed protruding at a plurality of positions spaced apart in a circumferential direction of an inner periphery of the casing, which has a protruding end surface that comes into contact with an outer periphery of the yoke portion and has a larger width than the tooth portion and which is used as a shrink-fit position with the yoke portion,wherein a contact tooth back portion, which comes into contact with the protruding end surface, out of a plurality of tooth back portions each disposed behind the tooth portion to constitute a part of the outer periphery of the yoke portion, is formed in a region except both edge portions of the protruding end surface in a circumferential direction within a circumferential angle range in which the protruding end surface is located.2. The ...

Stator Assemblies For Three Phase Dynamoelectric Machines And Related Winding Methods

According to some aspects of the present disclosure, example stator assemblies for three phase dynamoelectric machines and related winding methods are disclosed. An example stator assembly generally includes a non-segmented stator core including a stator yoke and a plurality of teeth. The stator assembly also includes a plurality of coil portions electrically coupled in a delta winding pattern, and including a first coil portion extending around a first one of the plurality of teeth and a second coil portion extending around a second one of the plurality of teeth. The stator assembly further includes a plurality of connection portions including a first connection portion extending between the first coil portion and the second coil portion and electrically coupling the first coil portion and the second coil portion. The first coil portion, the second coil portion and the first connection portion are defined by a continuous length of winding wire. 1. A method of winding a stator assembly for a three phase dynamoelectric machine , the stator assembly including a non-segmented stator core including a stator yoke , a plurality of teeth extending from the stator yoke toward a central opening , and a plurality of coil portions electrically coupled in a delta winding pattern , the plurality of coil portions including a first coil portion and a second coil portion , the central opening extending from a first end of the stator core to a second end of the stator core opposite the first end , the plurality of teeth spaced apart from one another and defining a plurality of slots between the plurality of teeth for receiving windings of the stator assembly , the method comprising:winding a wire around a first one of the plurality of teeth to form the first coil portion about the first one of the plurality of teeth;routing the wire from the first one of the plurality of teeth to a second one of the plurality of teeth to form a connection portion between the first one of the ...

STATOR OF AN ELECTRIC MOTOR AND METHOD OF MAKING SAME

A stator of an electric motor having a stator core with a plurality of salient stator poles, an insulating cap, a stator winding consisting of a winding wire, and an interconnection unit with a plurality of winding-wire receptacles having an inside, wherein the winding wire is surrounded by a material constituting the winding-wire receptacle and connected and welded thereto on the inside. The stator is of an electric motor which is of a very high quality and precision so that high-current applications are possible. Without any major adjustments, the stator is combinable with different winding connections and is flexibly adaptable to the rest of the motor and possibly to the electronics design. The manufacturing method is capable of being flexibly adapted to different wire diameters. 1. A stator of an electric motor , the stator comprising:a stator core with a plurality of salient stator poles;an insulating cap; anda stator winding consisting of a winding wire and an interconnection unit having a plurality of winding-wire receptacles having an inside, wherein the winding wire is surrounded by a material constituting the winding-wire receptacle and connected and welded thereto on the inside.2. The stator according to claim 1 , wherein the interconnection unit comprises a planar contact plate.3. The stator according to claim 2 , wherein the winding wire is completely surrounded by and welded with the material of the winding-wire receptacle in the plane of the plate claim 2 , the winding wire penetrating the plane of the plate over the full thickness of the plate.4. The stator according to claim 1 , wherein the stator is of polyphase design with an interconnection unit being provided for each phase claim 1 , the interconnection units provided for each phase being electrically insulated from each other.5. The stator according to claim 4 , wherein each interconnection unit is electrically and mechanically connected to a terminal.6. The stator according to claim 4 , ...

ON-VEHICLE BRUSHLESS MOTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

To provide an on-vehicle brushless motor device capable of being downsized with respect to an axial direction of a rotor and a method of manufacturing the same. The on-vehicle brushless motor device includes a brushless motor and an electronic substrate . The brushless motor includes a rotor and a stator including a plurality of coils arranged around the rotor . The electronic substrate is arranged on a side opposite to an output side of the brushless motor along a plane P intersecting an axial direction X. The on-vehicle brushless motor device further includes a soldering portion that connects a coil wire of the coil and the electronic substrate 1. An on-vehicle brushless motor device , comprising:a brushless motor including a rotor and a stator which includes a plurality of coils arranged around the rotor, andan electronic substrate arranged on a side opposite to an output side of the brushless motor along a plane intersecting an axial direction of the rotor,the on-vehicle brushless motor device further includes a soldering portion which connects a coil wire of the coil and the electronic substrate.2. The on-vehicle brushless motor device according to claim 1 , further comprising:a holder unit including a connector terminal for connecting the electronic substrate and an external device, and a holder disposed between the electronic substrate and the brushless motor to support the electronic substrate.3. The on-vehicle brushless motor device according to claim 2 ,wherein the electronic substrate includes a through hole penetrating the electronic substrate in the axial direction, andthe holder includes a guide hole for guiding the coil wire from the brushless motor side to the through hole of the electronic substrate.4. The on-vehicle brushless motor device according to claim 3 ,wherein the guide hole includes a tapered passage portion formed such that a hole diameter decreases as a distance from the rotor increases in the axial direction.5. The on-vehicle brushless ...

ON-VEHICLE BRUSHLESS MOTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

To provide an on-vehicle brushless motor device capable of being downsized with respect to an axial direction of a rotor and a method of manufacturing the same. The on-vehicle brushless motor device includes a brushless motor and an electronic substrate . The brushless motor includes a rotor and a stator including a plurality of coils arranged around the rotor . The electronic substrate includes a through hole penetrating in the axial direction X of the rotor and includes a substrate body arranged along a plane P intersecting the axial direction X on the side opposite to the output shaft of the brushless motor , and a terminal fixed on the surface of the substrate body on the side opposite to the rotor . A coil wire of the coil is inserted into the through hole and is welded to the terminal on the opposite side of the rotor with respect to the substrate body 1. An on-vehicle brushless motor device , comprising:a brushless motor including a rotor and a stator which include a plurality of coils arranged around the rotor; andan electronic substrate including a substrate body provided with a through hole penetrating in the axial direction of the rotor and arranged along a plane intersecting the axial direction on the side opposite to the output side of the brushless motor, and a terminal fixed on a surface of the substrate body opposite to the rotor,a coil wire of the coil being inserted through the through hole and welded to the terminal on a side opposite to the rotor with respect to the substrate body.2. The on-vehicle brushless motor device according to claim 1 ,wherein a first slit extending along a first direction included in the plane is formed in the terminal,the terminal includes a first terminal portion provided on one side and a second terminal portion provided on the other side with the first slit interposed therebetween, a third terminal portion connecting the first terminal portion and the second terminal portion, and a protruding portion provided to ...

MOTOR

A motor includes a stator a rotor, and a guide member. The stator includes a stator core and multiphase coils wound on the stator core. The guide member is arranged on an end of the stator core located at one side in an axial direction to glide a terminal wire of the multiphase coils wound on the stator core. The guide member includes an outlet guide that draws the terminal wire out of the guide member toward a circuit board. The outlet guide includes insertion holes into which the terminal wire is inserted. The insertion holes each include an inlet located toward the stator core and an outlet. The inlet has a larger open area than the outlet. 1. A motor comprising:a stator including a stator core and multiphase coils wound on the stator core;a rotor rotated by a rotational magnetic field generated in the stator; anda guide member arranged on an end of the stator core located at one side in an axial direction to guide a terminal wire of the multiphase coils wound on the stator core, whereinthe guide member includes an outlet guide that draws the terminal wire out of the guide member toward a circuit board,the outlet guide includes insertion holes into which the terminal wire is inserted,the insertion holes each include an inlet and an outlet, the inlet being located toward the stator core and drawing in the terminal wire, and the outlet drawing out the terminal wire, andthe inlet has a larger open area than the outlet.2. The motor according to claim 1 , wherein the insertion holes each have an open area that gradually changes from the inlet to the outlet.3. The motor according to claim 1 , wherein the insertion holes each are defined by a wall surface including an arcuate surface.4. The motor according to claim 1 , whereinthe terminal wire is one of terminal wires,two or more of the terminal wires are inserted into each of the insertion holes,the insertion holes each include a guide portion that guides the terminal wires so that the terminal wires are arranged in a ...

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 ...

FEEDING BODY AND ROTARY ELECTRIC MACHINE

A feeding body is provided which includes: a power supply main body including a conductor; a terminal formed at one end of the power supply main body; and a protection portion formed, by molding, at a junction with the terminal of the power supply main body. The protection portion includes: a clip assembled on the power supply main body; and a cover part formed by molding in a state in which the power supply main body is positioned in a cavity of a mold while a clamp part of the clip is sandwiched between pieces of the mold. 1. A feeding body comprising:a power supply main body including a conductor;a terminal formed at one end of the power supply main body; and,a protection portion formed, by molding, at, a junction with the terminal of the power supply main body, a clip assembled on the power supply main body; and', 'a cover part formed by molding in a state in which the power supply main body is positioned in a cavity of a mold while a clamp part of the clip is sandwiched between pieces of the mold., 'the protection portion comprising2. The feeding body according to claim 1 , wherein the clip and the cover part are made of identical resin material.3. The feeding body according to claim 1 , wherein the power supply main body comprises a position-restricting portion at a site covered by the cover part; andthe clip comprises a restricted section capable of being engaged with the position-restricting portion while the clip is assembled on the power supply main body.4. The feeding body according to claim 1 , where a surface of the cover part and a surface of the clamp part are leveled.5. The feeding body according to claim 1 , wherein the clip comprises an engagement means configured to be able to be engaged with the power supply main body.6. A rotary electric machine comprising the feeding body according to .7. The feed body according to claim 2 , wherein the power supply main body comprises a position-restricting portion at a site covered by the cover part; andthe ...

STATOR AND METHOD FOR MANUFACTURING STATOR

A stator includes a stator core, multiphase coils wound on the stator core, and a guide member. The multiphase coils include two or more terminal wires. The guide member is arranged on an end of the stator core located at one side in an axial direction to guide the terminal wires of the multiphase coils wound on the stator core. The guide member includes steps having a diameter that gradually decreases toward a side opposite to the stator core in the axial direction. Ones of the multiphase coils having the terminal wires that are drawn in a circumferential direction toward the same side are laid out on one of the steps. 1. A stator comprising:a stator core;multiphase coils wound on the stator core and including two or more terminal wires; anda guide member arranged on an end of the stator core located at one side in an axial direction to guide the terminal wires of the multiphase coils wound on the stator core, whereinthe guide member includes steps haying a diameter that gradually decreases toward a side opposite to the stator core in the axial direction, andones of the multiphase coils having the terminal wires that are drawn in a circumferential direction toward the same side are laid out on one of the steps.2. The stator according to claim 1 , wherein the guide member includes a slit that guides the terminal wires to the one of the steps from a radially outer side toward a radially inner side.3. The stator according to claim 2 , wherein the slit includes a radial slit portion that is cut away in a radial direction and circumferential slit portions that are cut away from a radially inner side of the radial slit portion to opposite sides in the circumferential direction.4. The stator according to claim 3 , whereinthe guide member includes a separator located adjacent to the slit, andthe separator is configured to separate the coils arranged on the one of the steps from each other.5. The stator according to claim 2 , whereinthe slit is one of slits,the one of the ...

FIELD ROTOR OF SUPERCONDUCTING ROTARY MACHINE

A field rotor of a superconducting rotary machine, includes a rotary shaft, a plurality of coil boxes, and a plurality of superconducting coils; wherein the coil boxes extend in a center axis direction of the rotary shaft, have walls defining spaces within the coil boxes, respectively, and are removably fastened to a peripheral surface of the rotary shaft; wherein the superconducting coils are disposed in the spaces of the coil boxes, respectively, and constitute field windings of the superconducting rotary machine. 1. A field rotor of a superconducting rotary machine , comprising:a rotary shaft;a plurality of coil boxes; anda plurality of superconducting coils;wherein the coil boxes extend in a center axis direction of the rotary shaft, have walls defining spaces within the coil boxes, respectively, and are removably fastened to a peripheral surface of the rotary shaft; andwherein the superconducting coils are disposed in the spaces of the coil boxes, respectively, and constitute field windings of the superconducting rotary machine.2. The field rotor of the superconducting rotary machine according to claim 1 ,wherein each of the coil boxes includes therein a cooling medium passage through which a cooling medium used for cooling the superconducting coil flows.3. The field rotor of the superconducting rotary machine according to claim 2 , comprising:gaps formed between the respective coil boxes and the peripheral surface such that each of the gaps extends in the center axis direction and a circumferential direction of the rotary shaft.4. The field rotor of the superconducting rotary machine according to claim 3 , comprising:protective resistors fastened to the coil boxes such that the protective resistors are disposed within the gaps, respectively, and connected in parallel with the superconducting coils corresponding to the gaps, respectively.5. The field rotor of the superconducting rotary machine according to claim 1 , comprising:low-heat contraction members, each ...

MOTOR

The present invention may provide a motor including a housing, a stator disposed in the housing, a rotor disposed inside the stator, and a shaft coupled to the rotor, wherein the stator includes a stator core, a first insulator disposed on the stator core, and a coil disposed on the first insulator, the first insulator includes a body on which the coil is disposed, a guide extending from one side of the body and including an opening, and a holder extending from one portion of the guide and including a groove, and one portion of the coil is disposed in the opening of the guide and the groove of the holder. 1. A motor comprising:a housing;a stator disposed in the housing;a rotor disposed inside the stator; anda shaft coupled to the rotor, wherein the first insulator includes a body on which the coil is disposed, a guide extending from one side of the body and including an opening, and a holder extending from one portion of the guide and including a groove, and', 'one portion of the coil is disposed in the opening of the guide and the groove of the holder, and the groove of the holder is disposed above the opening and an entrance direction of the groove is an outside of the first insulator., 'wherein the stator includes a stator core, a first insulator disposed on the stator core, and a coil disposed on the first insulator,'}2. The motor of claim 1 , wherein:the guide of the first insulator extends upward from an outer side of the body with respect to the shaft; andthe holder of the first insulator overlaps the opening of the guide in a rotating shaft direction and extends from an upper side of the guide.3. The motor of claim 1 , wherein an upper surface of the opening is the lower surface of the holder claim 1 , and one side surface of the opening is open.4. The motor of claim 1 , further comprising an upper surface claim 1 , a lower surface claim 1 , and a side surface which define the opening of the guide claim 1 ,wherein the lower surface of the opening includes an ...

MOTOR AND PUMP DEVICE

A motor may include a rotor; and a stator arranged on an outer peripheral side of the rotor. The stator may include a stator core, a plurality of insulators covering the stator core, a coil wound around the stator core through each of the insulators, and a common wire formed of a conductive wire drawn from the coil. At least one of the plurality of insulators includes a first common wire support portion configured to support the common wire from an outside in a radial direction. The first common wire support portion extends inward in the radial direction toward a tip end side of the common wire. 1. A motor comprising:a rotor; anda stator arranged on an outer peripheral side of the rotor,wherein the stator comprises a stator core, a plurality of insulators covering the stator core, a coil wound around the stator core through each of the insulators, and a common wire formed of a conductive wire drawn from the coil,at least one of the plurality of insulators includes a first common wire support portion configured to support the common wire from an outside in a radial direction, andthe first common wire support portion extends inward in the radial direction toward a tip end side of the common wire.2. The motor according to claim 1 , whereinthe insulator provided with the first common wire support portion comprises a second common wire support portion connected to an end portion of the first common wire support portion, the end portion being on an inner side in the radial direction.3. The motor according to claim 2 , comprising:a resin sealing member configured to cover the stator,wherein the resin sealing member comprises a plurality of holes as arrangement marks of pressing members configured to press the stator against a mold for forming the resin sealing member, andthe second common wire support portion is arranged in an angular range including an angular position of any of the plurality of holes.4. The motor according to claim 3 , whereinone insulator of the ...

COIL AND MOTOR USING SAME

A coil is a coil of a conductive wire that has a quadrangular cross section, that is spirally wound and laminated to have a series of turns including first to n-th turns (n is an integer of 3 or more), and that is provided, on at least some of the first to n-th turns in the coil, with deformed portions representing recesses each having a shape different from a shape of another portion of the conductive wire. In each of the first and n-th turns respectively lying at both ends of the series of turns, an outer surface lying on a side opposite to a center of the series of turns extends flush along with a plane intersecting the series of turns. 1. A coil of a conductive wire having a quadrangular cross section , the conductive wire being spirally wound and laminated to have a series of turns including first to n-th turns , where n is an integer of 3 or more , the conductive wire being provided , on at least some of the first to n-th turns in the coil , with deformed portions representing recesses each having a shape different from a shape of another portion of the conductive wire , where , in each of the first and n-th turns respectively lying at both ends of the series of turns , an outer surface lying on a side opposite to a center of the series of turns extends flush along with a plane intersecting the series of turns.2. The coil according to claim 1 , wherein the deformed portions are at least provided on the n-th turn.3. The coil according to claim 1 , wherein the deformed portions are provided claim 1 , on the conductive wire claim 1 , in a Z-axis direction representing a direction perpendicular to radial directions and circumferential directions of the coil claim 1 , with the recesses that are cut out in the circumferential directions of the conductive wire.4. The coil according to claim 1 , wherein the deformed portions include the recesses that are cut out claim 1 , and that are provided on a top side of the coil or a bottom side of the coil.5. The coil ...

MOTOR

Various embodiments relate to a motor in which a structure of an insulator is improved. The motor includes an insulator module coupled to a top face of a stator core. The insulator module includes: each power terminal unit connected to each of 3-phases power lead wires; a neutral terminal unit connected to a neutral point of a coil; and an insulator body for achieving insulations between the power and neutral terminal units and the stator core, and between the power and neutral terminal units, wherein the power terminal unit and the neutral terminal unit are positioned at different vertical levels. 1. A motor comprising:a stator; anda rotor configured to rotate with respect to the stator, a stator core that defines a back yoke;', 'teeth that extend radially from the back yoke;', 'coils configured to respectively round the teeth, wherein first ends of the coils are respectively drawn out of the teeth to define 3-phase power lead wires of the coils and second ends of the coils are respectively drawn out of the teeth to define neutral-point lead wires of the coils; and', 'an insulator module configured to couple to a top face of the stator core, wherein the insulator module includes:', 'power terminal units that connect to the 3-phase power lead wires;', 'a neutral terminal unit that connects to a neutral point of the coils; and', 'an insulator body configured to provide insulation between the power and neutral terminal units and the stator core, and between the power terminal units and neutral terminal unit,', 'wherein the power terminal units and the neutral terminal unit are located at different vertical levels., 'wherein the stator includes2. The motor of claim 1 , wherein each power terminal unit includes:a power terminal that is disposed on a top face of the insulator body and that connects to one of the 3-phase power lead wires; anda connection terminal that connects to the power terminal by connecting to the one of the 3-phase power lead wires.3. The motor of ...

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.

MOTOR

Various embodiments relate to a motor in which a structure of an insulator is improved. The motor includes an upper insulator coupled to a top face of a stator core. The upper insulator includes a power terminal unit connected to each of 3-phases power lead wires; and an upper insulator body for insulating the power terminal unit from the stator core. The upper insulator includes protrusions radially protruding from the upper insulator body. Each protrusion has a guide hole defined therein for receiving each of the 3-phases power lead wires. 1. A motor comprising:a stator; anda rotor configured to rotate relative to the stator, a stator core that defines a back yoke of the motor,', 'teeth that extend radially inward from the back yoke,', '3-phases power lead wires that extend to a portion of the teeth and that are configured to provide power to the stator,', 'coils, each of the coils being wound around one of the teeth, wherein an end of each of the coils is upwardly drawn out of the one of the teeth and connected to one of the 3-phases power lead wires, and', 'an upper insulator coupled to a top surface of the stator core, and, 'wherein the stator comprises power terminal units, each of the power terminal units being connected to one of the 3-phases power lead wires,', 'an upper insulator body that insulates the power terminal units from the stator core, and', 'protrusions that radially protrude from the upper insulator body, each of the protrusions defining a guide hole configured to receive one of the 3-phases power lead wires therein., 'wherein the upper insulator comprises2. The motor of claim 1 , wherein a cross sectional area of the guide hole decreases as one of the protrusions defining the guide hole extends upward from the upper insulator body.3. The motor of claim 1 , wherein the guide hole vertically extends through an inside of one of the protrusions defining the guide hole claim 1 , andwherein a cross sectional width of the guide hole decreases as the ...

BUS BAR UNIT

At least one bus bar, out of a plurality of bus bars of a bus bar unit, includes: a bent main body part that bends and extends across a first stacked position and a second stacked position, the positions being separated in the axial direction of the stator; a first arc-shaped main body part that extends from one end of the bent main body part to be arranged next to another bus bar at the first stacked position along a circumferential direction of the stator; and a second arc-shaped main body part that extends from other end of the bent main body part to be arranged next to another bus bar at the second stacked position along the circumferential direction of the stator. 1. A bus bar unit comprisinga plurality of bus bars to which winding terminals of a plurality of coils that forms a stator are connected, the plurality of the bus bars being arranged along an axial direction of the stator,wherein at least one bus bar, out of the plurality of the bus bars, comprises:a bent main body part that bends and extends across a first stacked position and a second stacked position, the positions being separated in the axial direction of the stator;a first arc-shaped main body part that extends from one end of the bent main body part to be arranged next to another bus bar at the first stacked position along a circumferential direction of the stator; anda second arc-shaped main body part that extends from other end of the bent main body part to be arranged next to another bus bar at the second stacked position along the circumferential direction of the stator.2. The bus bar unit according to claim 1 ,wherein the plurality of bus bars comprise a first bus bar, a second bus bar, a third bus bar and a fourth bus bar, the first, second and third bus bars electrically connecting the coils corresponding to respective phases of the stator, a fourth bus bar electrically connecting a neutral point of the coils,wherein the first bus bar is arranged at the first stacked position,the second ...

METHOD AND APPARATUS FOR MOTOR COOLING

For cooling an electric machine having stator windings, a housing including a series of interleading compartments is provided, the compartments being adapted for sealingly and removably enclosing one or more of the stator windings, so that during operation of the machine, a fluent coolant passing through the compartments and immersing the windings removes heat from the windings by thermal conduction. The disclosure has application to electric machines such as electric motors and generators, providing a modularised cooling system for the individual stator windings, allowing each one to be removed if necessary without requiring removal of the whole stator winding assembly. 1. A method of cooling an electric machine having stator windings , the method comprising:providing a housing comprising a series of interleading compartments;sealingly enclosing one or more of the stator windings removably in the respective compartments;operatively locating the housing in relation to a rotor of the machine; andduring operation of the machine passing a fluent coolant through the compartments to immerse the windings in the coolant, thereby to remove heat from the windings by thermal conduction with the coolant.2. The method of claim 1 , wherein the compartments are operatively arranged in a circular array.3. The method of claim 2 , including locating the array radially within the rotor.4. The method of claim 2 , including locating the array radially externally to the rotor.5. The method according to claim 1 , further comprising passing the coolant in series from one compartment to another in a generally circumferential direction in relation to the rotor.6. The method according to claim 1 , further comprising providing the compartments as separate electrically non-conductive parts for incorporation into the core of the stator.7. A cooling system for an electrodynamic machine comprising a plurality of stator windings operatively located in relation to a rotor of the machine claim 1 , a ...

Ceiling fan motor

A ceiling fan motor contains: a stator, at least one hook, and multiple coil winding sets, and an enameled wire connected with two coil winding sets and hooked by the at least one hook. The at least one hook is formed as a respective connection member of multiple connection members, and the multiple connection members are fixed in the stator. 1. A ceiling fan motor comprising: a stator , at least one hook , and multiple coil winding sets , and an enameled wire connected with two coil winding sets and hooked by the at least one hook.2. The ceiling fan motor as claimed in claim 1 , wherein the at least one hook is formed as a respective connection member of multiple connection members claim 1 , and the multiple connection members are fixed in the stator.3. The ceiling fan motor as claimed in claim 2 , wherein the stator includes a protrusion on which multiple receiving holes are formed claim 2 , the respective connection member includes a horizontal portion claim 2 , a vertical portion vertically extending upward from a first end of the horizontal portion claim 2 , an U-shaped bending portion extending from a second end of the horizontal portion and inserted into a respective receiving hole claim 2 , and the U-shaped bending portion supports the horizontal portion to be fixed outside the protrusion.4. The ceiling fan motor as claimed in claim 3 , wherein a perpendicular portion extends upward from an end of the U-shaped bending portion away from horizontal portion and parallel to the vertical portion claim 3 , and the perpendicular portion extends out of the respective receiving hole.5. The ceiling fan motor as claimed in claim 2 , wherein a tube is erected on a center of a top of the stator claim 2 , and the respective connection member includes a horizontal portion claim 2 , wherein the horizontal portion has an internal face connected with the tube claim 2 , and the horizontal portion has an external face and the at least one hook extending from the external face.6 ...

ISOLATION RING FOR ELECTRIC MOTOR END WINDINGS

An electric motor for a hybrid or electric vehicle drive unit includes a housing with a stator fixed within the housing and including a plurality of end windings. A rotor is disposed within the housing and connected to a drive shaft. An isolating ring is disposed within the housing between the end windings and the housing. 1. An electric motor for a vehicle drive unit , comprising:a housing;a stator fixed within the housing and including a plurality of end windings;a rotor disposed within the housing and connected to a drive shaft;an isolating ring disposed within the housing between the end windings and the housing.2. The electric motor according to claim 1 , wherein the isolation ring is an insert received in the housing.3. The electric motor according to claim 1 , wherein the isolation ring is sprayed on an interior surface of the housing.4. The electric motor according to claim 1 , wherein the isolation ring is made from a dielectric material.5. The electric motor according to claim 4 , wherein the isolation ring is made from one of PTFE claim 4 , PEEK and FEP.6. The electric motor according to claim 1 , wherein the isolation ring has a thickness of 1 mm or less. The present disclosure relates to electric motors and more particularly to an isolation ring for electric motor end windings.This section provides background information related to the present disclosure which is not necessarily prior art.Electric motors are becoming more commonly used in electric vehicle and hybrid vehicle drive units. The electric motors include a stator and a rotor connected to a drive shaft. Lengths of wire, called “conductors”, are wound around the stator structure. This winding process usually causes the windings and internal motor leads to be bent into relatively narrow radius curves defining end windings. The rotor and stator are disposed within a housing. Electric motor design requirements require a minimum spacing between the end windings and the housing without an insulation ...

BRUSHLESS MOTOR

A stator of a brushless motor may include a core; a bobbin including a pair of side surfaces, an inner wall, and an outer wall; a conductor wire wound by being overlapped in plural layers; and a resin layer covering the bobbin and the conductor wire. A profile of the conductor wire may become larger towards an outer circumferential side of the stator. Among portions of the conductor wire arranged along a rotary axis direction of a rotor on at least one side surface included in the pair of side surfaces and located on an innermost circumferential side of the stator in the respective plural layers, a portion of the conductor wire exposed to the resin layer and separated from the inner wall and the outer wall may be tilted from an inner circumferential side of the stator toward the outer circumferential side of the stator. 1. A brushless motor comprising:a rotor; anda stator arranged on an outer circumferential side of the rotor, a core circumscribing the rotor;', 'a bobbin covering the core and comprising a pair of side surfaces along a rotary axis of the rotor, an inner wall located on an inner circumferential side of the pair of side surfaces, and an outer wall located on an outer circumferential side of the pair of side surfaces;', 'a conductor wire wound on the bobbin by being overlapped in plural layers; and', 'a resin layer covering the bobbin and the conductor wire,, 'wherein the stator comprisesa profile of the conductor wire becomes larger towards an outer circumferential side of the stator, andamong portions of the conductor wire arranged along a rotary axis direction of the rotor on at least one side surface included in the pair of side surfaces and located on an innermost circumferential side of the stator in the respective plural layers, a portion of the conductor wire exposed to the resin layer and separated from the inner wall and the outer wall is tilted from an inner circumferential side of the stator toward the outer circumferential side of the ...

ELECTRIC MOTOR AND ELECTRIC MOTOR MANUFACTURING METHOD

An electric motor includes: a stator that has a stator core and has coils that are formed of an electric wire wound on the stator core and form a plurality of phases; a resin covering the stator; and a wire break facilitator that facilitates the electric wire to break at a time of abnormality. In the electric motor having the stator in which the coils are covered with molding resin, the wire break facilitator is attached to at least one of: a transition wire part between the coils wound on the stator core; a connection part at a neutral point; and a connection part of a lead wire. 1. An electric motor , comprising:a stator including: a stator core; and coils that are formed of an electric wire wound on the stator core and form a plurality of phases;a resin covering the stator; anda wire break facilitator that facilitates the electric wire to break,wherein the wire break facilitator is attached to at least one of: a transition wire part between the coils wound on the stator core; a connection part at a neutral point of the plurality of phases formed by the coils; and a connection part between the electric wire and a lead wire that supplies electric power to the electric wire from outside.2. The electric motor according to claim 1 , wherein the wire break facilitator is a space containing air.3. The electric motor according to claim 1 , wherein the wire break facilitator is formed of a member that melts into a liquid state at a temperature higher than a higher temperature of a molding temperature of the resin and a maximum achieving coil temperature when the electric motor is operating.4. The electric motor according to claim 3 , wherein the member that melts into a liquid state is made of at least any one of nylon 6 claim 3 , polybutylene terephthalate claim 3 , polyvinyl alcohol claim 3 , polyvinyl chloride claim 3 , polyvinylidene chloride claim 3 , polyacetal claim 3 , nylon 12 claim 3 , polymethyl methacrylate claim 3 , polyethylene terephthalate claim 3 , ...

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 ...

BRUSHLESS MOTOR, STATOR AND METHOD OF MANUFACTURING THE SAME

A stator of a brushless motor is disclosed which includes a stator core, an insulating frame arranged on the stator core, and a plurality of windings wound around the insulating frame. The stator core includes a ring-shaped yoke part and a pole part mounted to the radial inner side of the yoke part. The pole part includes a plurality of teeth spaced-apart from each other along the circumferential direction, and a ring-shaped portion arranged at and connected to the radial inner side of the teeth. The radial outer sides of the teeth abut against the radial inner side of the yoke part. The insulating frame is arranged on the pole part. A plurality of power terminals are fixed to one axial end of the insulating frame and respectively electrically connected to the windings. 1. A stator of a brushless motor , comprising a stator core , an insulation frame arranged on the stator core , and a plurality of windings wound around the insulating frame ,wherein, the stator core comprises a ring-shaped yoke part, and a pole part mounted to a radial inner side of the yoke part;the pole part comprises a plurality of teeth spaced-apart from each other along a circumferential direction, and a ring-shaped portion connected to radial inner sides of the teeth;radial outer sides of the teeth abut against the radial inner side of the yoke part;the insulating frame is arranged on the pole part; anda plurality of power terminals are fixed to one axial end of the insulating frame and respectively electrically connected to the windings.2. The stator of a brushless motor according to claim 1 , wherein the stator further comprises at least one compensation ring arranged at an axial end surface of the yoke part.3. The stator of a brushless motor according to claim 1 , wherein the insulating frame comprises an inner ring corresponding to the ring-shaped portion and a plurality of branches respectively corresponding to the teeth claim 1 , wherein the windings are wound around surfaces of the ...

STATOR WITH INSULATING BOBBIN IN A BRUSHLESS MOTOR

A brushless motor includes a stator core having a plurality of tooth portions; a lower insulating bobbin connected to a lower face of the stator core, the lower insulating bobbin having a plurality of lower slot insulation portions each corresponding to a respective tooth portion; and an upper insulating bobbin connected to an upper face of the stator core, the upper insulating bobbin having a plurality of upper slot insulation portions each corresponding to a respective tooth portions such that the upper slot insulation portions, the tooth portions, and the lower slot insulation portions define a plurality of coil wound portions. The plurality of coil wound portions includes at least one group of coil wound portions with each group having first to sixth coil wound portions. All of the coil wound portions of all groups are wound by a single lead wire. 1. A brushless motor , comprising:a stator core having a plurality of tooth portions;a lower insulating bobbin connected to a lower face of the stator core, the lower insulating bobbin having a plurality of lower slot insulation portions each corresponding to a respective tooth portion; andan upper insulating bobbin connected to an upper face of the stator core, the upper insulating bobbin having a plurality of upper slot insulation portions each corresponding to a respective tooth portions such that the upper slot insulation portions, the tooth portions, and the lower slot insulation portions define a plurality of coil wound portions,wherein the plurality of coil wound portions includes at least one group of coil wound portions, each group of coil wound portions having a first coil wound portion, a second coil wound portion, a third coil wound portion, a fourth coil wound portion, a fifth coil wound portion, and a sixth coil wound portion,wherein a single piece of lead wire is routed into an upper part of the first coil wound portion to be wound around the first coil wound portion,wherein the lead wire is routed out ...

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.

MOTOR

The present invention may provide a motor comprising: a housing; a stator disposed in the housing; a rotor disposed in the stator; and a shaft coupled to the rotor. The stator comprises: a stator core; an insulator disposed on the stator core; and a coil disposed at the insulator. The insulator comprises: a body at which the coil is disposed; a first guide which is extended from one side of the body; and a first protrusion and a second protrusion which protrude from the upper surface of the first guide. The first protrusion and the second protrusion are disposed to be spaced apart from each other so as to form a space in the circumferential direction with reference to the center of the stator. 1. A motor comprising:a housing;a stator disposed in the housing;a rotor disposed in the stator; anda shaft coupled to the rotor,wherein the stator comprises a stator core, an insulator disposed on the stator core, and a coil disposed on the insulator,wherein the insulator comprises a body on which the coil is disposed, a first guide extending from one side of the body, and a first protrusion and a second protrusion which protrude from a top surface of the first guide, andwherein the first protrusion and the second protrusion are disposed to be spaced apart from each other to form a space in a circumferential direction on the basis of a center of the stator,wherein the body comprises a first body and a second body disposed inside the first body, andwherein the insulator comprises a second guide protruding upward from the body between the first body and the second body,wherein the first protrusion and the second protrusion comprise areas protruding further than the second wide in a lateral direction of the insulator.2. The motor of claim 1 , wherein the first guide comprises a first inner surface and a first outer surface claim 1 , andwherein the first protrusion and the second protrusion are disposed between the first inner surface and the first outer surface on the basis of a ...

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 and pump device

A motor includes a connector detachably connected with an external cable and a resin sealing member which covers the connector. The connector includes a frame part into which a cable side connector is to be inserted and a step part on an outer peripheral face of the frame part. A shape of the step part when viewed in the inserting direction is a ring shape. The resin sealing member covers the connector from the front side and exposes an end face of the step part of the frame part and a portion of the frame part on the rear side to the step part end face to the outside, and an outer peripheral face of the resin sealing member is provided with an outer peripheral face portion which surrounds the frame part and is continuously connected with the step part end face without a step.

MOTOR AND PUMP DEVICE

A motor includes a rotor, a stator having coils, a connector for supplying electrical power to the coils, and a resin sealing member. The resin sealing member comprises an opposite-to-output side sealing part and a connector sealing part covering the connector. The connector comprises a frame part into which the cable side connector is to be inserted, and the opposite-to-output side sealing part comprises a first protruded part and a second protruded part. A tip end face of the first protruded part and a tip end face of the second protruded part are located on one imaginary face intersecting the rotation center line, a tip end on the opposite-to-output side of the frame part is located on the output side with respect to the imaginary face, and the second protruded part is provided at a position closer to the frame part between the first protruded part and the frame part. 1. A motor comprising:a rotor;a stator comprising a plurality of coils which are arranged in a ring shape and surround the rotor;a connector which is located on an outer peripheral side with respect to the plurality of the coils and is capable of being detachably connected with a cable side connector of an external cable for supplying electrical power to the plurality of the coils; anda resin sealing member which covers the coils;wherein when one side in a direction of a rotation center line of the rotor is referred to as an output side, and an other side is referred to as an opposite-to-output side, the resin sealing member comprises an opposite-to-output side sealing part which is disposed on the opposite-to-output side with respect to the rotor and the stator, and a connector sealing part which covers the connector from the output side;wherein the connector comprises a frame part into which the cable side connector is to be inserted from the opposite-to-output side;wherein an end portion on the opposite-to-output side of the frame part is exposed to the opposite-to-output side from the resin ...

MOTOR AND PUMP DEVICE

A motor includes a rotor having an output shaft and a rotor main body, a bearing member for supporting the output shaft movable in an axial line direction and rotatable around the axial line, and a bearing holding member holding the bearing member. The bearing member has a tube part supporting the output shaft and a slidably contacting part capable of slidably contacting with the rotor main body. The bearing holding member has an opposed face facing the rotor main body and a recessed part provided in the opposed face. The tube part of the bearing member is inserted into the recessed part and is separated from a bottom face of the recessed part. A space between the bottom face of the recessed part and the tube part is structured as a lubricant storage part and a communication path is provided between the bearing holding member and the bearing member. 1. A motor comprising:a rotor comprising an output shaft and a rotor main body which holds the output shaft from an outer peripheral side;a bearing member structured to support the output shaft movable in a direction of an axial line and rotatable around the axial line; anda bearing holding member which holds the bearing member; a tube part which supports a shaft portion on the opposite-to-output side of the output shaft with respect to the rotor main body in a penetrated state; and', 'a slidably contacting part which is capable of slidably contacting with the rotor main body from the opposite-to-output side;, 'wherein when one side of the output shaft in the direction of the axial line is referred to as an output side and another side of the output shaft is referred to as an opposite-to-output side, the bearing member compriseswherein the bearing holding member comprises an opposed face which faces the rotor main body from the opposite-to-output side, and a recessed part which is provided in the opposed face;wherein the tube part of the bearing member is inserted into the recessed part;wherein the tube part is separated ...

MOTOR

A motor may include a rotor rotating on a central axis; a stator located radially outside the rotor; a bearing supporting the rotor such that the rotor is rotatable with respect to the stator; and a holder that holds the stator. The stator may include a stator core; and a coil. The holder may include a cover disposed on an axially first side of the coil; and a bracket that is electrically connected to and fixed to the cover, is disposed on an axially second side of the coil, and is connectable to a ground. The holder may have an opening that penetrates the holder in a radial direction and is located between the axially first-side end of the coil and the cover, and an opening that penetrates the holder in the radial direction and is located between the axially second-side end of the coil and the bracket. 1. A motor comprising:a rotor that rotates on a central axis;a stator that is located radially outside the rotor;a bearing that supports the rotor such that the rotor is rotatable with respect to the stator; anda holder that supports the stator,wherein a stator core; and', 'a coil that is formed of a conductive wire wound around the stator core,, 'the stator comprises a cover that is disposed on an axially first side of the coil; and', 'a bracket that is electrically connected to and fixed to the cover, is disposed on an axially second side of the coil, and is connectable to a ground, and, 'the holder comprisesthe holder comprises an opening that penetrates the holder in a radial direction and is located between the axially first-side end of the coil and the cover, and an opening that penetrates the holder in the radial direction and is located between the axially second-side end of the coil and the bracket.2. The motor according to claim 1 , further comprisinga control circuit board that is electrically connected to the coil,whereinthe control circuit board is electrically connected to the bracket.3. The motor according to claim 1 , whereinthe coil is one of a ...

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 ...

Insulator, stator assembly, rotating electrical machine, and connection board

An insulator to be attached to a laminated core of a rotating electrical machine includes a frame-shaped body which surrounds the laminated core and around which a coil wire is wound, and first and second flanges provided at both open sides of the body. The second flange has a first recess that extends toward the body.

STATOR ASSEMBLY FOR A BRUSHLESS MOTOR IN A POWER TOOL

A power tool includes a motor having a stator assembly and a rotor pivotably arranged inside the stator. The stator assembly includes a lamination stack defining a plurality of poles; a plurality of field windings each arranged at at least two opposite poles of said plurality of poles and connected together around the stator assembly; and a plurality of conductive terminals longitudinally arranged along an outer surface of the lamination stack and electrically coupled to the plurality of field windings and a power source. 1. A power tool comprising:a housing; a lamination stack defining a plurality of poles;', 'a plurality of magnet wires, each magnet wire wound on two opposite poles of said plurality of poles connected together around the stator assembly; and', 'a bus bar longitudinally arranged along an outer surface of the lamination stack, the bus bar comprising a plurality of conductive terminals to provide electric power from a power source to the plurality of magnet wires, each conductive terminal including a main portion mounted on the bus bar and a tang portion arranged at a longitudinal end of the main portion and folded over the main portion at an angle, wherein each of the plurality of magnet wires is wrapped around and electrically connected to the tang portion of a corresponding conductive terminal., 'a motor housed inside the housing, the motor having a stator assembly and a rotor rotatably arranged inside the stator, the stator assembly comprising2. The power tool of claim 1 , wherein the stator assembly further comprises an end insulator arranged at a longitudinal end of the lamination stack.3. The power tool of claim 2 , wherein the end insulator comprises an extension portion extending longitudinally over an outer surface of the lamination stack to retain the bus bar on the outer surface of the lamination stack.4. The power tool of claim 2 , wherein the end insulator comprises two retaining walls protruding longitudinally along the outer surface ...

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 AND COMPRESSOR

A motor enables an insulator and an iron core to be secured without a reduction in the efficiency of the motor. A motor includes an iron core and an insulator disposed on an axial end surface of the iron core. The iron core includes at least one of grooves on an outer circumferential portion. Each of the grooves is arranged in an axial direction of the iron core on the outer circumferential portion from the end surface. The insulator includes at least one of claws protruding downward in the axial direction from a surface in contact with the iron core. The claws are fitted into the grooves. 1. A motor comprising:an iron core; andan insulator disposed on an axial end surface of the iron core,wherein the iron core includes at least one groove on an outer circumferential portion,wherein the groove is arranged in an axial direction of the iron core on the outer circumferential portion from the end surface of the iron core,wherein the iron core includes a core back portion extending in a circumferential direction, a tooth portion protruding in a central direction from a middle portion of the core back portion, and a tooth end portion located at an end of the tooth portion,wherein the insulator includes at least one first protrusion protruding in the axial direction from a surface in contact with the iron core,wherein the first protrusion is contained within the groove,wherein the insulator includes at least one second protrusion protruding in the axial direction from the surface in contact with the iron core, andwherein the second protrusion is in contact with an inner circumferential surface of the tooth end portion, and the insulator holds the iron core.2. (canceled)3. The motor of claim 1 ,wherein the second protrusion is in contact with the inner circumferential surface of the tooth end portion at a part of the tooth end portion that does not overlap a projection of the tooth portion onto a plane of the tooth end portion.4. The motor of claim 1 , further comprisinga ...

MOTOR AND DISK DRIVE APPARATUS

A motor includes a stationary unit and a rotary unit. The stationary unit includes a stator, a base portion having at least one hole extending in the up-down direction, and a flexible wiring substrate. The flexible wiring substrate reaches a position higher than a lower surface of the base portion through at least one hole and is arranged to supply electric power to the stator. The flexible wiring substrate includes a connection portion arranged higher than the lower surface of the base portion and connected to the stator. The connection portion includes a solder portion arranged on a lower surface thereof to cover a portion of a lead wire extending from a coil of the stator. At least a portion of the solder portion is positioned within the hole. 1. (canceled)2. A motor , comprising:a stationary unit including a stator, a base, and a flexible wiring substrate board;a rotary unit including a rotor magnet; anda bearing mechanism that supports the rotary unit so as to rotate with respect to the stationary unit about a center axis extending in an axial direction; whereinthe stator is positioned radially inward of the rotor magnet;the base is positioned axially below the stator and the rotor magnet and includes a hole extending therethrough;the hole is positioned in a region of the base in which the hole is located, the region of the base has a thickness which varies at different locations within the region of the base;the flexible wiring substrate board extends completely through the hole and supplies electric power to the stator;the flexible wiring substrate board extends beneath both of the rotor magnet and the stator; andthe stator includes at least one stator coil and the flexible wiring substrate board extends beneath a majority of an entire radial dimension of the at least one stator coil.3. The motor of claim 2 , further comprising:an additional hole defined in the base; whereinthe flexible wiring substrate board includes a lead located on a radially outward end ...

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 ...

STATOR AND MOTOR

A first coil fixing component has a first body portion inserted into a first void portion formed between a coil and a first end surface of a tooth portion, a first convex portion inserted into a first concave portion of the tooth portion, and a first locking portion extending from an end on an inner side of a radial direction of the first body portion toward the opposite side of the first end surface to lock the coil. A second coil fixing component has a second body portion inserted into a second void portion formed between the coil and a second end surface of the tooth portion, a second convex portion inserted into the second concave portion of the tooth portion, and a second locking portion extending from an end on the inner side of the radial direction of the second body portion toward the opposite side of the second end surface to lock the coil. The second body portion has an elastic structure that exerts elastic force in an axial direction. 1. A. stator comprising:a stator core having a cylindrical yoke portion and a plurality of tooth portions protruding toward an inner side of a radial direction of the yoke portion from positions spaced from each other in a circumferential direction of an inner circumferential portion of the yoke portion and extending in an axial direction of the yoke portion;a plurality of coils attached to the tooth portion so as to surround the tooth portion, the coils forming a first void portion between an inner circumferential portion of the coil and a first end surface on one end side in the axial direction of the tooth portion and forming a second void portion between the inner circumferential portion of the coil and a second end surface on the other end side in the axial direction of the tooth portion;a plurality of first coil fixing components inserted into the first void portion from an inner side of the radial direction toward an outer side thereof to fix the coils; anda plurality of second coil fixing components inserted into the ...

Stator arrangement comprising a winding arrangement

An external stator arrangement has a stator core, a wire guiding arrangement and a winding arrangement with a winding wire. The winding arrangement is designed as a delta circuit and has a number SC of stator coils. SC=N*3 where N=1, 2, 3, 4, 5, . . . . The stator core has a magnetic return path, stator poles and slots. The wire guiding arrangement has a first contact-making arrangement, a second contact-making arrangement and a third contact-making arrangement. The winding wire runs from the first contact-making arrangement, via at least one of the stator coils, to the second contact-making arrangement, from the second contact-making arrangement, via at least one of the stator coils, to the third contact-making arrangement, and from the third contact-making arrangement, via at least one of the stator coils to the first contact making arrangement. Contact elements are electrically connected to the winding wire in order to serve as winding connections.

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 ...

Cover assembly and motor including same

One embodiment relates to a cover assembly and a motor including the same, the cover assembly comprising: a cover body; and a plurality of grooves formed on the upper surface of the cover body so as to guide coils, wherein a hole is formed at one side of the groove so as to penetrate the cover body. Therefore, the motor guides the coils to the outside by using the hole formed in the cover assembly such that assemblability is improved.

MOTOR AND PUMP APPARATUS

A motor may include a rotor; a stator disposed on an outer peripheral side of the rotor; and a resin sealing member covering the stator. The stator may include a stator core; a coil wound around the stator core; and a connector disposed on an outer peripheral side of the stator core. The resin sealing member may include a connector sealing part protruding to the outer peripheral side of the stator core and covering the connector. The connector may include a connection opening through which an external connector is attached and detached, and the connection opening protrudes in an axial direction of the rotor from the connector sealing part and is opened in the direction of the axis. 1. A motor comprising:a rotor;a stator disposed on an outer peripheral side of the rotor; anda resin sealing member covering the stator, wherein a stator core;', 'a coil wound around the stator core; and', 'a connector disposed on an outer peripheral side of the stator core;, 'the stator comprisesthe resin sealing member comprises a connector sealing part protruding to the outer peripheral side of the stator core and covering the connector; andthe connector comprises a connection opening through which an external connector is attached and detached, and the connection opening protrudes in an axial direction of the rotor from the connector sealing part and is opened in the direction of the axis.2. The motor according to claim 1 , whereinthe resin sealing member comprises a sealing member bottom part covering the stator core and the coil from an axial direction side,the connector sealing part protrudes to a first side in the axial direction from the sealing member bottom part, anda height, in the axial direction, of the connection opening from the sealing member bottom part is larger than a height of protrusion of the connector sealing part from the sealing member bottom part.3. The motor according to claim 1 , comprising a cover member disposed on a first side of the resin sealing member in ...

Electrical collecting and distributing member holding structure, electric motor, and electric motor producing method

An electrical collecting and distributing member holding structure is composed of a stator including a multiplicity of cores arranged annularly, windings wound around the multiplicity of cores respectively, and an insulator for electrical insulation between the cores and the windings, a plurality of annular electrical collecting and distributing members held around the stator to collect and distribute electric current to the windings, and a holding portion formed on the insulator. The plurality of electrical collecting and distributing members are being held in the holding portion.

Electricity collection and distribution ring

An electricity collection and distribution ring for collecting and distributing electricity from/to multi-phase windings includes a plurality of annular conductors respectively connected to the multi-phase windings according to the phases of electric current, and a plurality of fixing members for fixing the plurality of annular conductors to each other. The annular conductor includes a plurality of connecting portions connected to end portions of the windings at a plurality of positions in a circumferential direction. The fixing members are disposed between a pair of the plurality of connecting portions adjacent along a circumferential direction of the plurality of annular conductors.