Электромагнитный двигатель переменного тока с плавным ходом на низких оборотах

Изобретение относится к электротехнике, в частности к электромагнитным двигателям. Технический результат – повышение стабильности частоты вращения. Электромагнитный двигатель переменного тока с плавным ходом на низких оборотах, включающий в себя медный диск, закрепленную перпендикулярно диску вертикальную ось, которая сверху закреплена в шариковом подшипнике, а снизу зафиксирована в посадочную канавку, две катушки разных диаметров, через которые пропускается переменный ток, постоянный магнит для обеспечения равномерности вращения диска. Особенностью изобретения является наличие петли обратной связи. Для ее осуществления микроконтроллер, соединенный с фоторезистором, получает и обрабатывает сигнал о прохождении лазерного луча через отверстие в диске, а затем передает его на ЭВМ с реализованным на нем ПИД-регулятором. 3 ил.

Мехатронный модуль для поворота рулевого вала транспортно-технологического средства

Изобретение относится к области электротехники, в частности к мехатронным системам управления транспортно-технологическими средствами, и может быть использовано при эксплуатации машин в точном земледелии. Технический результат - повышение точности процесса управления транспортно-технологическим средством за счёт точного поворота рулевого вала системы управления транспортно-технологического средства. Мехатронный модуль для поворота рулевого вала содержит в себе электродвигатель постоянного тока и две шестерни внутреннего зацепления для точного поворота рулевого вала при управлении транспортно-технологическим средством. Ведомая шестерня установлена жестко на рулевом валу, а для обеспечения временного зацепления на период работы мехатронного модуля ведущая шестерня размещена подвижно на шлицевой втулке с возможностью фиксации в верхнем рабочем положении, закрепленной жестко на валу редуктора электродвигателя с обратной связью, который с помощью кронштейнов установлен на рулевой колонке. Для ...

Блок из двигателя и генератора для гибридной силовой установки самолета

Изобретение относится к области электротехники. Технический результат – повышение энергоэффективности. Система привода воздушного винта самолета состоит из двигателя, генератора и силовой электроники. При этом генератор и двигатель расположены в одном корпусе концентрично относительно друг друга. Генератор имеет внутренний ротор, который приводится в движение от газотурбинного двигателя, а двигатель - внешний ротор, вал которого механически соединен с воздушным винтом самолета. Блок силовой электроники расположен между статорами двух электрических машин. 1 ил.

АСИНХРОННЫЙ НИЗКООБОРОТНЫЙ ДВИГАТЕЛЬ С СОСРЕДОТОЧЕННЫМИ ПОЛЮСАМИ И ПИТАНИЕМ ОТ ЭЛЕКТРОННОГО УПРАВЛЯЕМОГО ИСТОЧНИКА ТОКА СПЕЦИАЛЬНОЙ ТРАПЕЦЕИДАЛЬНОЙ ФОРМЫ

Изобретение относится к области электротехники, в частности к низкооборотным асинхронным двигателям с питанием от электронного управляемого по частоте источника тока трапецеидальной формы. Технический результат – повышение эффективности. Низкооборотный асинхронный двигатель с питанием от электронного управляемого по частоте источника тока трапецеидальной формы содержит статор с двухфазной многополюсной обмоткой, каждый полюс которой сосредоточен на одном зубцовом делении с одинаковой индукцией в зазоре каждого зубца полюса и расположен на внутренней стороне статора в периодической последовательности северный полюс первой фазы - северный полюс второй фазы - южный полюс первой фазы - южный полюс второй фазы (…-N1-N2-S1-S2), два электронных управляемых источника тока. Выход первого источника тока соединен с выводом обмотки первой фазы, а другого - соответственно с выводом второй фазы. Электронный блок с двумя выходами формирует периодические сигналы задания тока фаз трапецеидальной формы с ...

Подвижный узел для приема и транспортировки по меньшей мере одного пассажира, соответствующая аттракционная установка и способ управления ею

Предложен подвижный узел (30) для приема и транспортировки по меньшей мере одного пассажира, содержащий держатель (20), кабину (22) и направляющую (32) кабины (22) относительно держателя (20), вращающуюся вокруг горизонтальной основной оси (200). Подвижный узел (30) оснащен системой (36) стабилизации, содержащей зубчатый венец (38), зубчатое колесо (40), фрикционный тормоз (82), реверсивную синхронную машину (66) с постоянными магнитами для приведения в движение зубчатого колеса (40) и схему (74) переключения, выполненную с возможностью, в первом состоянии переключения, подключения обмоток (76) синхронной машины (66) к блоку (78) электропитания для использования двигателя синхронной машины (66) и, во втором состоянии переключения, подключения обмоток (76) синхронной машины (66) к диссипативной омической схеме (80) для диссипативного использования синхронной машины (66). 3 н. и 11 з.п. ф-лы, 9 ил.

Redundante elektrische Maschine zum Antreiben eines Vortriebsmittels

Die Erfindung betrifft eine insbesondere redundante elektrische Maschine zum Antreiben eines Vortriebsmittels mit erhöhter Ausfallsicherheit. Die Maschine umfasst bspw. zwei aus jeweils einem Statorwicklungssystem und einen Läufer bestehende Teilmaschinen, wobei die beiden Läufer drehfest auf einer gemeinsame Welle angeordnet sind, über die letztlich das Vortriebsmittel in Bewegung versetzt wird. Weiterhin ist eine Verschiebevorrichtung vorgesehen, die im Fehlerfall in einem der Statorwicklungssysteme derart wirkt, dass für die entsprechende fehlerhafte Teilmaschine der Luftspalt zwischen dem betroffenen Statorwicklungssystem und dem zugehörigen Läufer derart vergrößert wird, dass die elektromagnetische Wechselwirkung zwischen diesen Bauteilen unterbunden wird.

Bremsmotor

Elektromotor umfassend:eine Rotoreinheit, welche um eine vertikale Mittelachse dreht;eine Statoreinheit, welche um die Rotoreinheit angeordnet ist/wird;ein Gehäuse, in welchem die Statoreinheit im Inneren fixiert ist/wird;ein Lagermechanismus, welcher drehbar die Rotoreinheit relativ zu der Statoreinheit stützt, wobei das Gehäuse einen zylindrischen Wandabschnitt mit einem Boden und einer Abdeckplatte, welche eine Öffnung des zylindrischen Wandabschnitts abdeckt, umfasst wobei der Lagermechanismus zumindest zwei Lager umfasst, ein oberes Lager, welches durch die Abdeckplatte gehalten wird/ist, und ein unteres Lager, welches durch den Boden des Gehäuses gehalten wird/ist;wobei die Abdeckplatte aus elektrisch leitfähigen Elementen besteht unddadurch gekennzeichnet ist, dass die Abdeckplatte zumindest einen Vorsprung umfasst, welcher hin zu der oberen Außenseite der Abdeckplatte vorspringt, derart, dass der zumindest eine Vorsprung ausgestaltet ist, um direkt oder indirekt zumindest einen ...

ROTIERENDE ELEKTRISCHE MASCHINE

Eine rotierende elektrische Maschine umfasst einen Stator, einen Rotor mit einem Permanentmagneten, eine erste Anzahl von ersten Spulen und eine zweite Anzahl von zweiten Spulen. Die zweite Anzahl unterscheidet sich von der ersten Anzahl. Die erste Spule ist am Stator so angeordnet, dass sich Spulenachse entlang einer Drehachsenrichtung des Rotors erstreckt. Die zweite Spule ist auf dem Rotor so angeordnet, dass eine sich ihre Spulenachse entlang der Drehachsenrichtung des Rotors erstreckt. Die erste Spule und die zweite Spule sind auf dem Stator bzw. dem Rotor so angeordnet, dass sie sich in einem Zustand, in dem sich der Rotor in einer vorbestimmten Drehwinkelposition befindet, einander nahe gegenüberliegen. Die ersten Spulen sind so ausgebildet, dass sie abhängig von einer relativen Position in Bezug auf die zweite Spule eine Spannung induzieren.

Elektrische Antriebsvorrichtung und elektrische Servolenkvorrichtung

Die vorliegende Erfindung ist so konfiguriert, dass eine elektronische Steueranordnung in eine auf einem Metallsubstrat montierte Stromversorgungsschaltungseinheit, eine auf einem Metallsubstrat montierte Stromumwandlungsschaltungseinheit und eine auf einem Harzsubstrat montierte Steuerschaltungseinheit unterteilt ist; ein Stromversorgungsverbinder-Verdrahtungselement, das elektrischen Strom von der Stromversorgungsschaltungseinheit der Stromumwandlungsschaltungseinheit und der Steuerschaltungseinheit zuführt, und ein Signalübertragungsverbinder-Verdrahtungselement, das Signale, die in die Steuerschaltungseinheit eingegeben oder aus dieser ausgegeben werden sollen, in einer Verbinderanschlussanordnung eingebettet sind; und Verbinderanschlüsse des Stromversorgungsverbinder-Verdrahtungselements und des Signalübertragungsverbinder-Verdrahtungselements, die aus der Verbinderanschlussanordnung freiliegen, direkt mit den entsprechenden Schaltungseinheiten verbunden sind.

Gurtaufrollerbaugruppe für ein Insassenrückhaltesystem sowie Verfahren zur Montage einer solchen Gurtaufrollerbaugruppe

Die Erfindung betrifft eine Gurtaufrollerbaugruppe (10) für ein Insassenrückhaltesystem eines Kraftfahrzeugs, mit einer Elektromotoreinheit (14) zur Gurtbandstraffung, die eine Motorachse (A) aufweist und sich in axialer Richtung von einem Antriebsende (30) zur Kopplung mit einem Getriebe zu einem entgegengesetzten Anschlussende (32) zur Kopplung mit einer elektrischen Steuereinheit (20) erstreckt, einem Getriebegehäuse (16), das eine radial an die Elektromotoreinheit (14) angrenzende Gehäusewand (18) aufweist, einer elektrischen Steuereinheit (20), die eine radial an die Elektromotoreinheit (14) angrenzende Wand (22) aufweist und mit dem Getriebegehäuse (16) verbunden ist, sowie einer Gehäusekappe (12) zur Abdeckung des Anschlussendes (32) der Elektromotoreinheit (14), wobei die Gehäusekappe (12) radial an die elektrische Steuereinheit (20) angrenzt und axial vorstehende, konische Klemmfortsätze (24) aufweist, welche sich zwischen die Elektromotoreinheit (14) und die Gehäusewand (18) erstrecken ...

Bremsmotor

Ein Elektromotor ist bereitgestellt umfassend eine Rotoreinheit, eine Statoreinheit, ein Gehäuse und ein Lagermechanismus. Die Rotoreinheit dreht um eine vertikale Mittelachse. Die Statoreinheit ist um die Rotoreinheit angeordnet. Die Statoreinheit ist im Inneren des Gehäuses fixiert. Der Lagermechanismus stützt drehbar die Rotoreinheit relativ zu der Statoreinheit. Das Gehäuse umfasst einen zylindrischen Wandabschnitt mit einem Boden und einer Abdeckplatte, welche eine Öffnung des zylindrischen Wandabschnittes abdeckt. Der Lagermechanismus umfasst weiter zumindest zwei Lager, ein oberes Lager, welches durch die Abdeckplatte gehalten wird, und ein unteres Lager, welche durch den Boden des Gehäuses gehalten wird. Die Abdeckplatte besteht aus elektrisch leitfähigen Elementen und umfasst zumindest einen Vorsprung, welcher hin zu der oberen Außenseite der Abdeckplatte vorspringt, derart, dass der zumindest eine Vorsprung ausgestaltet ist, um direkt oder indirekt einen Massekontakt eines Controllers ...

MPE-ACHSSATZ MIT GEMEINSAMER ECU

Eine Vorrichtung (1) zum Bereitstellen von hydraulischer Energie in einem Fahrwerksystem (2) eines Fahrzeugs umfasst eine erste hydraulische Pumpe (11) und einen ersten Elektromotor (12) zum Antreiben der ersten hydraulischen Pumpe, eine zweite hydraulische Pumpe (21) und einen zweiten Elektromotor (22) zum Antreiben der zweiten hydraulischen Pumpe und eine gemeinsame Elektronikeinheit (30), welche eingerichtet ist, den ersten und den zweiten Elektromotor anzusteuern, wobei die beiden Elektromotoren und die beiden Pumpen vorzugsweise baugleich ausgestaltet sind und/oder jeweils erste und zweite Motor-Pumpe-Gruppen (12, 20) bilden.

Pump system supplied by frequency inverter e.g. for room heating medium circulation pump

The pump system has an electric motor and a gyro-pump driven by it. A clamp-on casing (8) attached to the motor housing (7) contains a frequency inverter, the base of the casing having an opening to allow heat from the power stage to escape. A heat conducting plate (6) arranged near the opening is thermally connected to a corresp. motor housing connecting surface (5). The clamp-on casing is made of metal and designed as a cooling body for convection cooling. The heat generating components of the power electronics are encapsulated in a metal intermediate housing (12) open to the casing opening, but otherwise closed, whereby at least two chambers at different temp. levels are formed in the clamp-on casing.

Elektronische Baugruppe und Verfahren zu deren Herstellung

Die vorliegende Erfindung betrifft eine elektronische Baugruppe (50, 50') mit einem Leiterplattenmehrschichtaufbau (10) aus mindestens zwei elektrisch leitenden Schichten (12, 14), die jeweils mindestens einen über den Mehrschichtaufbau (10) hinausragenden Schichtabschnitt (12.2, 14.1, 14.2) aufweisen, der einen zur direkten Ankontaktierung eines zusätzlichen passiven Bauelements (C, C'; L;) ausgebildeten Anschlussbereich definiert.

Design improvements for flux switching machines

Pump assembly

EC motor control

A stator for an electric motor or generator

A method and arrangement for assembling an electric motor or generator

A method of assembling an electric motor or generator having an annular first element 100 mounted on a circumferential mounting surface of a second element 110 comprises placing a heating coil (Fig 5, 500) within an inner annular surface of the annular first element and applying a current to the heating coil, which maybe an induction coil, to heat the inner annular surface of the annular first element to a temperature that results in the inner annular surface of the annular first element increasing in diameter to allow the annular first element to be mounted on or over the circumferential mounting surface of the second element. The annular first element is then cooled to form an interference fit with the circumferential mounting surface of the second element. The annular element may in various embodiments be a back iron, rotor or stator with the second element a stator support, back iron or rotor respectively.

Electrical machine

Stator for rotary field machine having axial heat dissipation

PCB mount for an electric motor

Vehicular drive device

A vehicular drive device (100) that comprises a rotary electric machine (MG) that is arranged on a first axis (A1), a differential gear mechanism (DF) that is arranged on a second axis (A2), an output member (OUT) that is arranged on the second axis (A2), an inverter device (INV), and a case (1). A first housing chamber (5) that houses the rotary electric machine (MG) and a second housing chamber (3) that houses the inverter device (INV) and is partitioned from the first housing chamber (5) by a partition wall (70) are integrally formed inside the case (1). A specific part (SP) of the output member (OUT) that coincides with the rotary electric machine (MG) in the axial direction (L) is housed in at least the first housing chamber (5), and the partition wall (70) is provided between the specific part (SP) and the inverter device (INV).

High voltage converter for use as electric power supply

An electric power supply 100 has high-voltage circuitry 125 converting a high-voltage, direct-current (HVDC) input 107 to multiphase high-voltage, alternating-current (HVAC) output 108, for example to power an electric appliance (e.g. an electric motor), and low-voltage circuitry 165 to power the auxiliary and control electronics controlling and managing the high-voltage circuitry as well as handling the system monitoring. The high voltage circuitry may comprise one or more DC pre-charge capacitors 116 and one or more power transistor switches 124. The HVDC circuitry is configured to receive HVDC input power of about 320 volts and/or greater and convert the HVDC input power to multi-phase HVAC output power of about 320 volts and/or greater. The low-voltage circuitry is configured to operate on low-voltage, direct-current (LVDC), and is configured to control and monitor the multi-phase HVAC output power. DC to DC converter circuitry 130 is configured to receive and convert the HVDC input ...

ELECTRIC MOTOR

SYNCHRONMOTOR

Es wird ein Drehantrieb (1) mit einem Stator (3) mit sechs Satorspulen und einem damit verbundenen Wechselrichter (13) angegeben. Der Stator (3) umfasst sechs mit dem Wechselrichter (13) verbundene Statorspulen. Der erste Ausgang des Wechselrichters (13) ist mit dem zweiten Anschluss der zweiten und dem zweiten Anschluss der ersten Spule, der zweite Ausgang mit dem ersten Anschluss der zweiten und dem zweiten Anschluss der fünften Spule, der dritte Ausgang mit dem ersten Anschluss der vierten und dem ersten Anschluss der fünften Spule, der vierte Ausgang mit dem zweiten Anschluss der vierten und dem ersten Anschluss der sechsten Spule, der fünfte Ausgang mit dem zweiten Anschluss der sechsten und dem ersten Anschluss der dritten Spule und der sechste Ausgang mit dem zweiten Anschluss der dritten und dem ersten Anschluss der ersten Spule verbunden. Der Wechselrichter (13) bestromt die sechs Ausgänge mit pulsweitenmodulierten Signalen, wobei Signale für den ersten, zweiten und vierten Ausgang ...

Linear actuator system

A linear actuator system comprising a linear actuator having a housing (1) and an outer tube (5), which with a rear end is secured to a side of the housing (1) at a front end thereof. The outer tube (5) surrounds an electric motor driven spindle unit (3) and an activation element. The linear actuator system further comprises a control box (9) having a control, where the control box (9) is arranged in the angle between the housing (1) and the outer tube (5) on the linear actuator. The control box (9) is fastened with a mounting bracket (8) to the outer tube (5) on the linear actuator. The mounting bracket (8) comprises a tubular portion (10), whereby it can be pushed in over the outer tube (5) and the mounting bracket (8) and the control box (9) are also designed with interacting fastening means for fastening the control box (9) to the mounting bracket (8). The tubular portion (10) of the mounting bracket (8) has an axially extending slit (12) and the interacting fastening means between ...

Linear actuator system

Linear actuator system comprising a linear actuator and at least one box, such as a control box containing a control and possibly also a mains-based power supply or a battery box (9) with a rechargeable battery pack (29, 29a). The linear actuator system further comprises a fastening means (8a, 22, 22a) for the box (9, 29, 29a), wherein the fastening means (8a, 22, 22a) is constituted by an elongated item with a rectangular outline and a square cross-section. The box (9, 29, 29a) has a groove (17, 17a, 17b) for receiving the fastening means (8a, 22, 22a). The fastening means (8a, 22, 22a) and the groove (17, 17a, 17b) are constituted with mutually interacting releasable locking connections. The fastening means (8a, 22, 22a) can be designed as an independent item that can be fastened where the box is to be placed. The fastening means (8a, 22, 22a) can also be used to interconnect two or more boxes by fastening the fastening means to a box (29, 29a). Alternatively, the fastening means (8a, ...

SOLID STATE MULTI-POLE AND UNI-POLE ELECTRIC GENERATOR ROTOR FOR AC/DC ELECTRIC GENERATORS

A solid-state electromagnetic rotor, comprising a plurality of salient pole pieces arranged around a supporting structure, wherein a first end of each salient pole piece is attached to the support structure and a second end of each salient pole piece points outward away from the supporting structure; and wires wound around each salient pole piece, wherein when the wires of the plurality of salient pole pieces are sequentially excited by an excitation circuit, the salient pole pieces are energized to provide a moving polar magnetic field in the form of distinct magnetic poles as desired to accomplish power generation.

FISHING LURE

A motorized fishing lure comprising (i) a mounting bracket having a first aperture about its proximal end and a second aperture about its distal end, said apertures for demountably engaging one or more of a swivel, a snap-lock, a split ring, a leader, a hook, and a hook assembly; (ii) a drive unit securely engaged to the mounting bracket, said drive unit comprising a power source for providing electrical energy, a controller connected to the power source, a motor connected to the controller for converting the electrical energy into mechanical energy and an articulating joint coupled to the actuator motor for converting the mechanical energy into movement of the fishing lure; and (iii) a pliable resilient shell for housing therein the mounting bracket and drive unit.

HYBRID AXLE ASSEMBLY FOR A MOTOR VEHICLE

An axle assembly for an electric or hybrid vehicle includes electrically powered drive motors for respectively driving vehicle wheels. The axle assembly preferably includes a dual motor arrangement, wherein two electric motors are arranged end- to-end. Each motor includes an inverter that is directly connected to its respective motor, and includes a gearbox assembly coupled between an output of the motor and a corresponding constant-velocity (CV) joint operatively connected to a wheel. The inboard ends of the motors are secured to opposite faces of a cooling manifold wherein the cooling manifold maintains the motors in axial alignment. The cooling manifold plate is positioned between an inboard end of each of the motor housings, and the cooling manifold plate axially aligns the first and second motors. Further, each motor drives its respective gearbox assembly, which includes a gear reduction and clutch mechanism having a brake band assembly that is selectively operable to disconnect the ...

ROTOR AND METHOD FOR PRODUCING A ROTOR

The invention relates to a rotor shaft (10) having a fastening section (12) along a fastening region of the shaft; and a plurality of permanent magnets (21, 22, 23, 24) which are fastened in the fastening section (12) to the rotor shaft (10), wherein the rotor shaft has a region in the fastening section having a reduced radius relative to a circular cross-section, so that a radially measured thickness of a permanent magnet (21) in the region is greater than in an adjacent region having a radius of the rotor shaft (10) which is not reduced.

Drive module for an electronic watch.

La présente invention concerne un module moteur comprenant un stator (111) formé d’une plaque principale d’une première épaisseur sur lequel est monté un rotor, ledit stator (111) étant réalisé afin de présenter, à chaque extrémité, une zone d’accueil (113) dont l’épaisseur est plus faible que la première épaisseur. Le module moteur est en particulier destiné à une montre électronique.

CAMP FOR THE SUPPORT OF WAVES OF ELECTRIC MOTORS.

Leiterplatten-Positioniereinrichtung für Elektroantriebe.

Leiterplatten-Positioniereinrichtung für Elektroantriebe, umfassend:ein Bodenelement (30), das im Hohlraumkörper eines Elektroantriebs positionierbar ist; einen ersten Blockkörper (40), der aus einem Isoliermaterial besteht, wobei sich seine Unterseite auf der linken Seite vom Bodenelement (30) befindet, wobei der erste Blockkörper (40) eine erste Außenfläche (41) und eine erste Innenfläche (42) aufweist, wobei die erste Innenfläche (42) mit mehreren ersten Positionierabschnitten (421) versehen ist, die von oben nach unten parallel zueinander angeordnet sind; und einen zweiten Blockkörpe (50), der aus einem Isoliermaterial besteht, wobei sich seine Unterseite auf der rechten Seite vom Bodenelement (30) befindet, wobei der zweite Blockkörper (50) eine zweite Außenfläche (51) und eine zweite Innenfläche (52) aufweist, wobei die zweite Innenfläche (52) mit mehreren zweiten Positionierabschnitten (521) versehen ist, die von oben nach unten parallel zueinander angeordnet sind und mit den ersten ...

BAIT FOR FISHING

Communication device

MOTOR AND METHOD FOR MANUFACTURING MOTOR

Including integrated contactor of the electric motor and winch

Composite power compressor and air conditioning system and control method of air conditioning system

Circuit board, motor assembly and fan

BLOWER UNIT AND INSTALLATION OF HEATING, VENTILATION AND/OR BICYCLE HANDLEBARS CORRESPONDING

ROTARY ELECTRIC MACHINE HAS JUST REVERSER

Une machine électrique rotative à onduleur intégré comprend une enceinte (100) dans laquelle un trou d'aération (90) est formé, un moteur à courant alternatif (4) placé dans l'enceinte (100), le moteur à courant alternatif (4) comprenant un rotor (11) et un ventilateur (2) dont la rotation introduit de l'air extérieur dans l'enceinte (100) depuis l'extérieur à travers le trou d'aération (90), le ventilateur (2) étant fixé au rotor (11), et une unité formant onduleur (50) placée dans l'enceinte (100) et disposée dans le trou d'aération (90). L'unité formant onduleur (50) comprend une partie de circuit électrique (60) et une partie de circuit de commande (70) dont le tableau de commande (72) est placé dans un boîtier (71) qui isole thermiquement le tableau de commande (72) de la partie de circuit électrique (60). La partie de circuit électrique (60) est située à une position faisant face au ventilateur (2) et la partie de circuit de commande (70) est située en amont de la partie de circuit ...

Enhanced motor assembly for clothes dryer machine and clothes dryer machine comprising said assembly

MAGNETIC SENSOR INTEGRATED CIRCUIT AND MOTOR COMPONENT

A magnetic sensor integrated circuit and a motor component are provided. The integrated circuit includes at least one input port (A1, A2), an output port (Pout), a magnetic field detection circuit (20), and an output control circuit (30). The magnetic field detection circuit (20) outputs magnetic field detection information by detecting an external magnetic field. The output control circuit (30) is at least switched between a first state in which a current flows from the output port (Pout) to the outside of the integrated circuit and a second state in which the current flows from the outside of the integrated circuit to the output port (Pout) based on the magnetic field detection information, at least. Accordingly, the present invention can improve the reliability of the magnetic sensor integrated circuit and reduce the costs of the magnetic sensor integrated circuit by extending a function of an existing magnetic sensor. COPYRIGHT KIPO 2017 (20) Magnetic field detection circuit (30) Output ...

MOTOR-DRIVEN COMPRESSOR

모터

... [과제] 플러그부가 케이싱으로부터 외부로 돌출하는 모터에 있어서, 플러그부에 외력이 가하여졌을 경우, 플러그부를 갖는 몰드재와, 몰드재와 시일부재를 통해서 접촉하는 홀더 베이스 및 케이싱 중의 적어도 한쪽이 변형할 우려가 있다. 이것에 의해, 모터의 밀폐성이 저하하는 문제가 있었다. [해결수단] 본 발명의 모터의 하나의 형태에 있어서, 버스바 홀더는 본체부와, 본체부로부터 지름 방향 외측으로 돌출하는 커넥터부와, 본체부의 내측면으로부터 지름 방향 내측으로 돌출하는 접속단자 유지부를 갖는다. 본체부에는 중심축의 둘레 방향의 일주에 걸쳐서 커버와 직접적 또는 간접적으로 접촉하는 시일부가 설치된다. 접속단자 유지부의 제 2 측의 면에는 회로기판보다 제 2 측으로 돌출하는 리브가 설치된다.

Electronic device

Disclosed is an electronic device wherein: a first semiconductor device having a switching power transistor is mounted on a power wiring board PB1; a semiconductor device PKG6 having a drive circuit that drives the first semiconductor device, and a semiconductor device PKG5 having a control circuit that controls the semiconductor device PKG6 are mounted on a first main surface of a control wiring board PB2; and a semiconductor device PKG4 having a regulator circuit is mounted on a second main surface of the control wiring board PB2. The semiconductor device PKG5 and the semiconductor device PKG6 are mounted on, out of a second region and a third region, the second region of the first main surface of the control wiring board PB2, said second region and third region being adjacent to each other by having therebetween a first region where a plurality of holes HC3 are disposed. The semiconductor device PKG4 is mounted on, out of a fourth region positioned on the reverse side of the second region ...

Wiper motor

In a wiper motor including a motor unit having a rotating shaft, and a gear unit having a speed reduction mechanism for reducing and outputting the speed-reduced rotation, a first speed reduction gear forming a speed reduction mechanism is provided to one end side of a rotating shaft, a sensor magnet is fixed to the other end side of the rotating shaft, a control board is provided so as to face the other end side of the rotating shaft from the axial direction of the rotating shaft, a MR sensor for detecting a rotational state of the rotating shaft is provided to a facing portion of the control board to the sensor magnet, and coil end portions of coils configured to generate an electromagnetic force for rotating the rotating shaft on the basis of supply of drive current from the control board is electrically connected to the control board.

ELECTROMAGNETIC DRIVING MODULE AND LENS DRIVING DEVICE USING THE SAME

An electromagnetic driving device is provided which includes a fixed assembly, a movable assembly, and an electromagnetic assembly. The fixed assembly and the movable assembly are arranged along a main axis. The fixed assembly has a surface that faces the movable assembly. The electromagnetic assembly is configured to drive the movement of the movable assembly relative to the fixed assembly. As observed from a direction that is perpendicular to the main axis, a portion of the movable assembly overlaps the plane on which the surface of the fixed assembly is located while the movable assembly is moved a portion of a path of travel.

Motor

A motor includes a motor main body including a rotor and a stator, a controller, a housing, and a connector. The housing includes a lower housing that holds the motor main body, and an upper housing that holds the controller and the connector. The upper housing includes a connector holder that protrudes outward in the radial direction from an outer peripheral end of the lower housing. The connector holder includes a connector inserting portion into which the connector is inserted in the axial direction. The connector inserting portion includes a ridge portion, which protrudes outward in the radial direction from a straight line connecting both ends of an inner-peripheral-side wall surface in the circumferential direction, on the inner-peripheral-side wall surface facing, in the radial direction, a surface of the connector facing inward in the radial direction.

SCREEN TURNING-OVER MECHANISM

A screen turning-over mechanism includes a rotating shaft connected to a screen and a motor drivably connected to the rotating shaft. The motor is connected to an electromagnetic damping loop which forms a closed path with the motor only when the motor is in a de-energized state. The rotating shaft is also connected to an elastic mechanism. When the motor is energized, the motor drives the rotating shaft to rotate to extend the screen, and the rotating shaft drives the elastic mechanism to deform elastically to store energy; and when the motor is de-energized, the elastic mechanism releases the stored energy to drive the rotating shaft to rotate to retract the screen. The screen turning-over mechanism according to the present application has a simple and compact structure, occupies a small volume of space, and has a long service life. 1. A screen turning-over mechanism , comprising:a rotating shaft connected to a screen;a motor drivably connected to the rotating shaft; andan elastic mechanism connected to the rotating shaft;whereinthe motor is connected to an electromagnetic damping loop which forms a closed path with the motor only when the motor is in a de-energized state;in the case that the motor is energized, the motor drives the rotating shaft to rotate to extend the screen, and the rotating shaft drives the elastic mechanism to deform elastically to store energy; andin the case that the motor is de-energized, the elastic mechanism releases the stored energy to drive the rotating shaft to rotate to retract the screen.2. The screen turning-over mechanism according to claim 1 , wherein the motor is controlled by a control module to be energized or de-energized claim 1 , a current feedback circuit connected to the motor is provided in the control module claim 1 , and the control module performs integral computation to a current flowing through the motor in the process of the screen being extended by the motor and thus control a rotation angle of the motor.3. The ...

ELECTRIC MOTOR AND ELECTRICAL APPARATUS COMPRISING SAME

Electric motor (100) according to the present invention includes stator (40), rotor (10), and a pair of bearings (30). Stator (40) has stator core (41) which is annularly formed. Rotor (10) is located on the inner circumferential side of stator core (41), and includes shaft (12), rotor core (11), and bonded magnets (14). Bonded magnets (14) are filled in magnet holes (13). Bonded magnets (14) are formed with high density portion (14b) having a high density and low density portion (14c) having a density lower than high density portion (14b). In electric motor (100), center position (11b) of rotor core (11) is located on the side where high density portion (14b) is present with respect to center position (41b) of stator core (41) in the direction of shaft center (12a) of shaft (12).

Stored electrical energy assisted ram air turbine (RAT) system

A system for providing alternating current (AC) power to an aircraft component includes a ram air turbine (RAT) configured to generate AC power. The system also includes an energy storage device configured to output direct current (DC) power. The system also includes an inverter configured to convert the DC power to the AC power. The system also includes a controller coupled to the RAT and the inverter and configured to cause the inverter to provide the AC power to the aircraft component, and to control the RAT to provide the AC power to the aircraft component in response to determining that the RAT can provide the AC power.

Drive device

A drive device includes a motor and a controller coaxially disposed with the motor for controlling the motor. The drive device further includes a cover for covering the controller with an opening, and a connector part separate from the cover for connecting to an external connector. The connector part includes connectors that extend and protrude longitudinally through the opening of the cover. The longitudinal axis of the mouth of each connector in the connector part is arranged and angled differently relative to the mouths of adjacent connectors so that the connectors are positioned within an axial silhouette of the motor.

Stator of a Waterproof Motor and Method for Manufacturing the same

A method for manufacturing a stator of a waterproof motor includes disposing a first assembly in a mold where the first assembly includes a coil unit wound around an iron core assembly, and filling the mold with a thermosetting plastic which forms a housing after curing. The housing houses the coil unit and the iron core assembly. A recess is formed at one end of the housing. The method further includes disposing a second assembly in the recess of the housing where the second assembly includes a circuit unit, and filling the recess of the housing with a waterproof glue which envelopes the circuit unit after curing. According to the above, the stator of the waterproof motor is formed.

MOTOR CONTROL CENTER BUCKETS WITH INTERLOCKED COVER-MOUNTED POWER DISCONNECT SWITCH MECHANISMS

An apparatus includes an enclosure (e.g., an MCC bucket enclosure) having a cover configured to be opened, a disconnect switch positioned in the enclosure, and a shaft having a first end inserted in the disconnect switch and configured to actuate at least one switch in the disconnect switch by rotation of the shaft. The apparatus further includes a switch handle mechanism mounted on the cover, configured to receive a second end of the shaft when the cover is in a closed position, and comprising a switch handle configured to rotate the shaft. The switch handle mechanism may be configured to allow withdrawal of the second end of the shaft from the switch handle mechanism when the switch handle is in a first position to allow opening of the cover and to prevent withdrawal of the second end of the shaft from the switch handle mechanism wherein the switch handle is in a second position to prevent opening of the cover.

ROTATING DEVICE

The application includes a rotating device 1 that includes a variable resistor, a voltage output line configured to output a voltage, and an adjustment resistor. A resistance value Rx of the adjustment resistor is set to a value between a minimum value RxMin determined in a manner for a ratio of an adjustment voltage Vx in a case of having the adjustment resistor to a reference voltage Vo in a case of not having the adjustment resistor to become greater than or equal to a predetermined value, and a maximum value RxMax determined in a manner for noise generated on the voltage output from the voltage output line with the contact position located within a dead zone of a position sensor 80 to become less than or equal to a predetermined value.

CONTROL DEVICE FOR HUMAN-POWERED VEHICLE

A control device is provided for a human-powered vehicle that includes a generator configured to output electrical power, an electric power storage device electrically connected to the generator, and a component having an actuator actuated by electrical power from at least one of the generator and the electric power storage device. The control device includes a controller electrically connected to at least one of the generator and the electric power storage device. The controller is configured to control an operation state of the component in accordance with information relating to at least one of an output state of the generator and a store state of the electric power storage device.

SWITCHED RELUCTANCE MOTOR CONTROL

DRIVING UNIT

A driving unit (30) includes a rotary electric machine MOT which has a rotation axis CL extending in a horizontal direction, a rotary electric machine case (40), and an electric power conversion device PDU. The electric power conversion device PDU has an electric power conversion device case (50) and is disposed on one side of the rotary electric machine MOT in an orthogonal direction. The electric power conversion device case (50) is fixed to the rotary electric machine case (40). At either the electric power conversion device case (50) or the rotary electric machine case (40), a guide portion (54) protruding in the orthogonal direction and extending in the rotation axis direction is formed above a connecting portion where the rotary electric machine MOT and the electric power conversion device PDU are electrically connected.

電動車両用の電力変換器

ЭЛЕКТРОДВИГАТЕЛЬ СТЕКЛООЧИСТИТЕЛЯ

Изобретение относится к электродвигателю для привода механизма стеклоочистителя. Технический результат - увеличении срока службы электродвигателя, повышение точности управления ведущим валом. Электродвигатель стеклоочистителя включает в себя ведущий вал, редуктор, предназначенный для уменьшения частоты вращения ведущего вала, и блок контроллера. Редуктор содержит корпус, первую шестерню, установленную с одного конца ведущего вала, вторую шестерню с соосным ей выходным валом, находящуюся в зацеплении с первой шестерней и образующую совместно с первой шестерней указанный редуктор. Электродвигатель стеклоочистителя включает в себя также блок контроллера, содержащий магнит датчика, закрепленный на другом конце ведущего вала, плату управления, обращенную к другому концу ведущего вала в его осевом направлении, датчик вращения, установленный на участке, обращенном к магниту датчика платы управления, для определения вращения ведущего вала и обмотку, имеющую один конец, электрически соединенный ...

Линейный электрический генератор

Изобретение относится к области электротехники, а именно к линейным электрическим генераторам. Технический результат - расширение функционального диапазона. Под действием силы тяжести цилиндрического стакана (5) и магнитного сердечника цилиндрической формы с осевой намагниченностью (4) и силы нажатия пружины (8) подвижный контакт (7) находится в контакте с нижней контактной площадкой (10). Замыкается ключ (13) и через пружину (8) начинает протекать ток. Между соседними витками пружины (8) возникает сила притяжения, в результате пружина (8) начнет сокращаться и магнитный сердечник цилиндрической формы с осевой намагниченностью (4) начнет движение вверх. В результате знакопеременное магнитное поле постоянных магнитов магнитного сердечника цилиндрической формы с осевой намагниченностью (4) индуцирует в витках цилиндрической катушки с осевой обмоткой (3) электродвижущую силу синусоидальной формы. В дальнейшем в результате отрыва подвижного контакта (7) от нижней контактной площадки (10) электрический ...

ДВИГАТЕЛЬНОЕ УСТРОЙСТВО С ЦИФРОВЫМ УПРАВЛЕНИЕМ И АККУМУЛИРОВАНИЕМ ЭНЕРГИИ

Ein Magnetsensor und eine Integrierte Schaltung

Magnetsensor, umfassend: einen Eingangsanschluss (1102), der mit einer externen Stromversorgung zu verbinden ist; eine Magnetfelderfassungsschaltung (1104), die ausgebildet ist, ein Magnetfelderfassungssignal zu erzeugen; eine Ausgabesteuerschaltung (1406), die ausgebildet ist, den Betrieb des Magnetsensors als Reaktion auf das Magneterfassungssignal zu steuern; und einen Ausgangsanschluss (1106), wobei die Magnetfelderfassungsschaltung (1104) aufweist: ein Magnetsensorelement (1108), das ausgebildet ist, ein externes Magnetfeld zu erfassen und ein Erfassungssignal auszugeben, ein Signalverarbeitungselement (1110), das ausgebildet ist, das Erfassungssignal zu verstärken und Störungen von dem Erfassungssignal zu entfernen, um ein verarbeitetes Erfassungssignal zu erzeugen, und ein Wanderelement (1114), das ausgebildet ist, das verarbeitete Erfassungssignal in das Magneterfassungssignal umzuwandeln, das verwendet wird, den Magnetsensor zu steuern, in wenigstens einem von einem ersten Zustand ...

Schnittstellenauslegung zwischen einer Steuerung und einer Kommutierungselektronik von Gleichstrommotoren

Die vorliegende Erfindung betrifft eine Schnittstelle (10) umfassend mehrere Schnittstellenverbindungen (32, 35, 45, 46) zwischen einer Steuerungselektronik (1) und einer Motorelektronik (2) eines EC-Motors (8), wobei die Spannungsversorgung der Steuerungselektronik (1) als gleichgerichtete Netzspannung der Motorelektronik (2) über eine Schnittstellenverbindung (32) zugeführt wird und die mehreren Schnittstellenverbindungen (32, 35, 45, 46) zwischen der Steuerungselektronik (1) und der Motorelektronik (2) auf einem gemeinsamen Spannungspotential liegen.

Elektromotor mit Verbinder, in den ein Stromsignal eingegeben wird, und Verfahren zum Herstellen des Elektromotors

Ein Elektromotor erleichtert das Verfahren zum Herstellen des Elektromotors. Der Elektromotor enthält einen Trägerwerkstoff mit einer elektronischen Komponente, einen ersten Verbinder am Stator, wobei der erste Verbinder eingerichtet ist zum Aufnehmen eines Stromsignals, welches in die Spule einzugeben ist, und eines Kommunikationssignals der elektronischen Komponente, und eine Verdrahtungsstruktur, welche die elektronische Komponente und den ersten Verbinder für eine Kommunikation verbindet. Die Verdrahtungsstruktur hat einen zweiten Verbinder, der auf dem Trägerwerkstoff angebracht ist, und einen dritten Verbinder, der am Stator befestigt ist, wobei der dritte Verbinder eingerichtet ist für eine Verbindung mit dem zweiten Verbinder und für die Anbringung des Trägerwerkstoffes am Stator durch Bewegung des Trägerwerkstoffes in Richtung auf den Stator.

Entfeuchtungsvorrichtung für ein Gehäuse

Die Erfindung betrifft eine Entfeuchtungsvorrichtung für ein Gehäuse (10), insbesondere ein Elektronikgehäuse eines Elektromotors, mit einer eine Wandung (2) aufweisenden Entfeuchtungskammer (3), innerhalb der hygroskopisches Material (4) aufgenommen ist, welches ausgebildet ist, Luftfeuchtigkeit aus der Entfeuchtungskammer (3) zu binden, wobei die Wandung (2) der Entfeuchtungskammer (3) zumindest eine innere dampfdurchlässige Membran (5) aufweist, die mit einem Aufnahmeinnenraum (6) des Gehäuses (10) in Wirkverbindung bringbar ist, und eine äußere Membran (7) aufweist, die mit der Außenumgebung (8) des Gehäuses (10) in Wirkverbindung bringbar ist, wobei die innere und äußere Membran (5, 7) jeweils in zumindest eine Richtung dampfdurchlässig sind, bei der ein Luftfeuchtigkeitstransport aus dem Aufnahmeinnenraum (6) des Gehäuses (10) durch die Entfeuchtungskammer (3) in eine Außenumgebung (8) gewährleistbar ist.

Elektronische Steuervorrichtung

Ein Halteaufbau umfasst ein Basisglied zum Halten einer Leiterplatte; einen Festhalter, der aufrecht von dem Basisglied vorsteht und die Leiterplatte hält; und eine Halterung, die aufrecht von dem Basisglied vorsteht und die Leiterplatte von der Seite hält. Die Halterung umfasst eine Säule, die aufrecht von dem Basisglied vorsteht und ein Elastizitätsmodul aufweist, das größer als dasjenige des Festhalters ist, und einen Anstoßteil zum Anstoßen gegen eine Seitenfläche der Leiterplatte.

Verfahren zum Herstellen von verschiedenen Varianten eines Antriebs aus einem Baukasten und Antrieb nach einem solchen Verfahren

Verfahren zum Herstellen von verschiedenen Varianten eines Antriebs aus einem Baukasten, wobei der Baukasten einen Elektromotor mit Motorgehäuse, ein vom Elektromotor antreibbares, insbesondere angetriebenes, Getriebe ein mit dem Motorgehäuse verbindbares Anschlusskastenunterteil, und ein mit dem Motorgehäuse verbindbares Gehäuseteil aufweist, wobei der Elektromotor einen Rotor aufweist, mit dem ein Lüfter drehfest verbunden ist, wobei das Getriebe mit dem Motorgehäuse verbunden wird und wahlweise zur Bildung einer ersten Variante das Anschlusskastenunterteil oder zur Bildung einer zweiten Variante das mit dem Motorgehäuse verbindbare Gehäuseteil mit dem Motorgehäuse verbunden wird, insbesondere auf der vom Getriebe abgewandten Seite des Motorgehäuses, wobei das Anschlusskastenunterteil gehäusebildend für den Lüfter vorgesehen ist und Öffnungen aufweist, durch welche der vom Lüfter angesaugte Luftstrom einströmt, insbesondere in axialer Richtung, wobei das Gehäuseteil gehäusebildend für ...

MOTOR UND ELEKTRISCHE SERVOLENKVORRICHTUNG

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

Elektronisch kommutierter Motor

Bei einem elektronisch kommutierten Motor (100) mit einem Stator (160), der eine Mehrzahl von Einzelspulen (185, 186) aufweist, die über ein Verschaltungselement (200) zu einer Motorwicklung (180) verschaltet sind, ist das Verschaltungselement (200) nach Art einer Leiterplatte (210) ausgebildet und weist Leiterbahnen (261, 262, 263) auf, die die Einzelspulen (185, 186) miteinander verschalten, wobei die Leiterbahnen (261, 262, 263) mit zugeordneten Einzelspulen (185, 186) verschweißt sind.

Pump Assembly With Rapid Assembly

A centrifugal pump assembly 10, with electric motor 19, arranged in a stator housing 11, in which a box 13, containing an electrical board 14, 5 is arranged at one end of the stator housing 11, comprising an intermediate element 16 between the motor 19 and the box 13, being complementary, on one side, to the stator housing 11 and, on the other side, to the box 13. Preferably the intermediate element 16 is a tubular covering and/or connecting element with seats and/or holes that interlock with protrusions in the stator housing and the electrical box.

Brushless direct current motor end cap

An end cap 120 for a brushless motor (figure 2), suitable for used in a power tool (figure 1), is arranged to dissipate heat from a controller having semiconductor switching elements 135 on pcb 130. The end cap has cooling fins 145 and may also have air circulation slots 146 (seen in cross-section in figure 5). The end cap can be directly or thermally coupled to the controller and switching elements to dissipate heat out through the fins. Connection means (150 figure 3) connect the endcap to the motor (115 figures 1, 2).

Electric motor and electric generator.

A highway grade crossing gate system including a gate mechanism to rotate a gate arm with human machine interface and voltage reduction circuit

Electric mototrs

Electrical generator

Improvements relating to multi-lane motors

A motor apparatus 200 comprises a permanent magnet synchronous motor circuit having a plurality of lanes, Lane 1, Lane 2, each comprising a plurality of unbalanced phases A1, B1, C1, A2, B2, C2. A current demand circuit 210 receives a torque demand signal Tz* having a value equal to the torque that is to be generated by the motor apparatus and generates a respective current demand signal for each lane indicative of the current to be applied to each phase of the lane to achieve the demanded torque. First and second drive circuits 220, 230 each comprise a plurality of switches 225, 235 which selectively connect the phases of a respective one of the plurality of lanes to a supply such that PWM modulated currents flow in each of the phases that correspond to the demanded current. The current demand circuit modifies one or both of the current demand signals such that one or both lanes additionally generate a set of radial forces that are applied to the rotor of the motor 100 that do not net ...

Improvements relating to multi-lane motors

A method of detecting a radial vibration in a motor circuit or a mechanical load driven by a permanent magnet synchronous motor 100 of the kind having a plurality of lanes in which each lane of the motor is unbalanced, the method comprising estimating the angular position of the rotor using a sensorless position measurement technique for at least two lanes to produce respective independent estimates of the rotor position, and estimating the radial position of the motor from the differences between the estimates, and monitoring changes in the estimated radial position of the rotor over time to identify the vibration. Position estimates may be produced for every lane of the motor. Optionally, the method may include identifying a fault in a load attached to the rotor of the motor by an additional step of correlating the identified vibration with a known signature pattern of vibration corresponding to a fault at the load, and the known signature pattern of the vibration may correspond to a ...

Axial field rotary energy device with segmented PCB stator having thermally conductive layer

An axial field rotary energy device has a PCB stator panel assembly between rotors with an axis of rotation. Each rotor has a magnet. The PCB stator panel assembly includes PCB panels. Each PCB panel can have layers, and each layer can have conductive coils. The PCB stator panel assembly can have a thermally conductive layer that extends from an inner diameter portion to an outer diameter portion thereof. Each PCB panel comprises discrete, PCB radial segments that are mechanically and electrically coupled together to form the respective PCB panels.

A method of operating a long stator linear motor

Um den Betrieb eines Langstatorlinearmotors besser an die Anforderungen oder die Zustände der einzelnen Transporteinheiten bzw. der Transportstrecke anpassen zu können ist vorgesehen, dass den Stellgrößen (StG) einer Antriebsspule (7, 8) des Langstatorlinearmotors ein Anregesignal (AS) mit einem vorgegebenen Frequenzband überlagert wird, dabei Istgrößen (IG) der Antriebsspulenregelung ermittelt werden, aus den mit dem Anregesignal (AS) überlagerten Stellgrößen (StGAS) und den ermittelten Istgrößen (IG) ein Frequenzgang ermittelt wird und aus dem Frequenzgang die Reglerparameter (RP) für diese Transporteinheit (Tx) ermittelt werden und die Transporteinheit (Tx) zum Bewegen entlang der Transportstrecke mit diesen ermittelten Reglerparametern (RP) geregelt wird.

Housing for an electrical machine with a cooling device

Die Erfindung bezieht sich auf ein Gehäuse für eine elektrische Maschine mit einer Kühlvorrichtung (14). Um vorteilhafte Konstruktionsbedingungen zu schaffen, wird vorgeschlagen, dass die Kühlvorrichtung (14) umlaufend auf einer Trägerplatte (10) angeordnet ist, dass die Kühlvorrichtung (14) einen mit dem Gehäuse verbundenen Wärmeleitring (17) kontaktiert, und dass die Trägerplatte (10) sowie auf dieser angeordnete Komponenten eine Vibrationsdämpfung und eine elektrische Isolation aufweisen. Dadurch wird einerseits eine günstige Kühlwirkung erzielt und Bereiche innerhalb der Kühlvorrichtung (14) können für Bestückungselemente der Trägerplatte (10) vorgesehen werden.

Motor rotation angle measurement device and method

Provided are a motor rotation angle measurement device and method. The motor rotation angle measurement device may comprise: a signal conditioning circuit, configured to receive a three-phase output voltage of a motor and separately generate a first square-wave signal, a second square-wave signal and a third square-wave signal; and a processor, configured to generate a six-multiplying frequency pulse whenever jumping of any one of the first square-wave signal, the second square-wave signal and the third square-wave signal is detected in a rotation period of a motor, generate compensation pulses between the current six-multiplying frequency pulse and a next six-multiplying frequency pulse based on a time interval between the current six-multiplying frequency pulse and a previous six-multiplying frequency pulse and a preset compensation subdivision coefficient k, and accumulate the number of the compensation pulses, wherein the number of the compensation pulses is related to the rotation ...

Electrical power generation from turbine engines

Electrical power generation in turbine engines (100) is provided by a permanent magnet (220) that emits a first magnetic field (215) and is disposed on a first rotor assembly (210A) of a turbine engine; an armature winding (230) connected to a second rotor assembly (21OB) of the turbine engine such that the armature winding (230) is positioned within the first magnetic field (215); a resonant emitter (240) configured to receive an electrical power input from the armature winding (230) to generate a second magnetic field (225) of at least a predefined frequency when the first rotor assembly (21OA) rotates relative to the second rotor assembly (210B); and a resonant receiver (250) disposed on an enclosure (120) of the turbine engine, positioned to receive the second magnetic field (225) and convert the second magnetic field (225) into an electrical power output. C\j C\j CD < 00 C\j co C\j < C\j C\j CD - ------ ------ co C\j C\J L ------- ----------- < C) C\j C) /--200A 170 -\/ 170 21 OA2I16B ...

Signal bypass routed through a motor of an electrical submersible pump

An ESP system includes a motor and which is disposed in a wellbore on an end of an umbilical, where the umbilical includes a power cable and control lines. The control lines carry signals for the control and operation of downhole elements that are below the ESP system. The control lines exit the umbilical at its connection to the ESP system and are routed through the motor. Example paths through the motor for the signal lines include winding slots and outer slots that extend through a stator stack of the motor. Examples of the control lines include electrically conducting members, fiber optic lines, and hydraulic lines. The downhole elements include completion equipment, such as subsurface safety valves, hydraulic set packers, gage packers, and the like.

METHOD FOR OPERATING A LONG STATOR LINEAR MOTOR

In order to improve the adaptation of a long stator linear motor to requirements or conditions of individual transport units or of the transport track it is foreseen, that the control variables (StG) of a driving coil (7, 8) of long stator linear motor are superimposed with an excitation signal (AS) with a predetermined frequency band, wherein actual variables (IG) of the driving coil control are determined, from the control variables (StGAS) superimposed with the excitation signal (AS) and from the determined actual variables (IG) a frequency response is determined and from the frequency response the control parameters (RP) for this transport unit (Tx) are determined and the transport unit (Tx) is controlled using these determined control parameters (RP) for movement along the transport track.

MOTOR CONTROL CENTER UNIT WITH RETRACTABLE STAB ASSEMBLY AND METHODS OF ASSEMBLYING THE SAME

A motor control unit (MCU) and methods of operating and assembling the same are provided. The MCU includes a housing enclosing a retractable stab assembly (RSA) having stabs attached thereto. The MCU further includes a bracket assembly having a mount for securing the bracket assembly to the RSA, guiderails for slideably engaging the RSA to facilitate the extending and retracting motion, and a lead screw accessible via an opening in the front of the housing. Rotating the lead screw causes the RSA to extend and retract which engages and disengages the stabs. The MCU also includes a motor assembly having a drive motor coupled to a drive shaft. The motor rotates the shaft in response to control signals from a remote-device. The motor assembly attaches to the housing such that the rotation of the shaft in response to the signals rotates the lead screw to engage and disengage the stabs.

Integrated type electric motor

Motor and controller integrated system

ADVANCED STRUCTURE FOR A DIRECT CURRENT MOTOR WITH ELECTRONIC COMMUTATION.

HIGH-COMPACTNESS ELECTRIC MOTOR

Improved structure for electronically commutated DC motor

La structure pour un moteur à rotor R et stator S comprend un moyeu support (10) avec des branches, un fourreau et éventuellement un couvercle (13), un mandrin (20) avec un tube et une couronne radiale centripète ainsi qu'un connecteur (30) en forme de bague tronconique. Application aux moteurs à fabrication automatisée notamment pour l'équipement des véhicules automobiles.

METHOD OF OPERATING A CONVERTER CONNECTED TO AN ELECTRIC MACHINE

ELECTRIC MOTOR

Integrated electronic range switching system

Apparatus and methods for synchronized distributed controllers

Intelligent servomotor controller, including integrated servomotor controller having motor with rotor in first housing; rotor position encoder producing measured position of rotor; microprocessor within second housing mating to first housing, electrically connected to rotor position encoder, serial communications port connecting to another integrated servomotor controller communicating desired rotor position command using serial digital data, microprocessor having software receiving desired position commands through communications port, computing error between desired position command and encoder-transmitted measured rotor reducing error signals to zero. Microprocessor is a position based servo system within second housing and rotor within first housing to desired position defined by communication with another integrated servo element. Microprocessor produces actuation signal to direct PID filter connected to microprocessor, PID filter providing drive amplifier servo control of supplying current to the motor. Cooperative communication facilitates synchronized action with integrated servo element. Embodiments also include method of operating IISMC group, including setting combined path target acceleration for IISMC; setting combined target velocity for IISMC; setting individual target position for IISMC; and initiating synchronized motion in the IISMC.

Generator regulating system having main and auxiliary regulators

A regulating device for regulating the output voltage of a generator; in particular a vehicle generator is described. To improve protection of the voltage regulation from failure, for normal operation it is proposed to perform the regulation using a main regulator which is implemented as software in a control unit, and in the event of a malfunction of the main regulator, to perform the regulation using an auxiliary regulator.

Fan device

A fan device includes an impeller, a motor, a fan frame, a circuit board and a covering member. The motor is used for driving rotation of the impeller. The fan frame includes an axial-flow channel for accommodating the impeller and the motor and includes a receptacle. The receptacle is defined by two airflow inlet/outlet plates, one channel wall and two lateral plates. The circuit board is accommodated within the receptacle. The covering member is used for sheltering the receptacle.

Dial switch for motor control

A motor assembly includes an electric motor having a stator and a rotor. A housing is coupled to the electric motor. A motor controller is disposed within the housing. A human machine interface (HMI) is coupled to the housing and in communication with the motor controller for user control of the electric motor. The HMI includes a rotatable user input providing simultaneous mode selection and mode indication.

Electrical machine

An integrated starter generator device comprising a housing, a stator and a rotor contained within the housing, the device further comprising control electronics operable to configure the device as either a starter or generator and contained entirely within the housing. The device may include a high current terminal having brass and rubber bonded together. The rubber forms both a sealing and an insulating function.

Electric motor

A rear frame has a fastening portion, which radially extends from an outer peripheral surface of the rear frame and receives a fastening force of a through bolt. A circuit board, which includes a control circuit, is installed to an axially outer surface of a main body of the rear frame. A reinforcing portion is provided in the fastening portion to limit deformation of the main body of the rear frame, which is induced by the fastening force of the through bolt.

HIGHWAY GRADE CROSSING GATE SYSTEM INCLUDING A GATE MECHANISM TO ROTATE A GATE ARM WITH HUMAN MACHINE INTERFACE AND VOLTAGE REDUCTION CIRCUIT

A highway grade crossing gate system comprises a gate arm configured to rotate 90 degrees from a horizontal position to a vertical position and vice versa and a highway grade crossing gate mechanism coupled to the gate arm for controlling rotation of the gate arm without mechanical user adjustments but rather use user angle and time inputs/outputs. The highway grade crossing gate mechanism includes a DC motor to drive the gate arm up and down and a voltage reduction circuit to receive an input voltage from a battery and reduce the input voltage. The highway grade crossing gate mechanism further includes a human machine interface (HMI) to receive a plurality of programmable set points as operational variables for operation of the gate arm without manually adjustable cams on a main shaft that move contacts to open or close at some preset angular rotation. The highway grade crossing gate mechanism further includes a control printed circuit board (PCB) coupled to the HMI, the voltage reduction circuit, the brake, and the DC motor. The control PCB to receive an output based on an angular position of the gate arm as a position indication to have the control PCB provide an output for the operation of the gate arm. 1. A highway grade crossing gate mechanism , comprising:a gate arm configured to rotate 90 degrees from a horizontal position to a vertical position and vice versa;a gear train coupled to a main shaft;a DC motor coupled to the gear train;a brake coupled to the DC motor;a voltage reduction circuit to receive an input voltage from a battery and reduce the input voltage;a human machine interface (HMI) to receive a plurality of programmable set points as operational variables for at least one of a power down indication, a power up indication, a brake application, a flashing lights turn on or turn off angle, a bell turn off or turn on angle, and angle information for a gate down position; anda control printed circuit board (PCB) coupled to the HMI, the voltage ...

INTELLIGENT POWER GENERATION MODULE

An intelligent power generation module includes: an electric motor including a motor housing, an inverter disposed at a first side of the motor housing and including an inverter housing configured to accommodate an insulated gate bipolar transistor (IGBT), an inner housing disposed inside the motor housing, and a dual flow path disposed at a circumferential surface of the motor housing on which the inner housing is disposed. The dual flow path includes a plurality of first cooling flow paths spaced apart from each other and through which a first fluid flows, a second cooling flow path defined between the plurality of first cooling flow paths and through which a second fluid flows, and a plurality of injection nozzles disposed at each of the plurality of first cooling flow paths, spaced apart from each other, and configured to spray the first fluid to an inner space of the inner housing. 1. An intelligent power generation module comprising:an electric motor that includes a motor housing defining an appearance of the electric motor;an inverter that is disposed at a first side of the motor housing and that includes an inverter housing configured to accommodate an insulated gate bipolar transistor (IGBT) and a capacitor;an inner housing that is disposed inside the motor housing and that is configured to accommodate a stator and a rotor; anda dual flow path disposed at a circumferential surface of the motor housing on which the inner housing is disposed, wherein the dual flow path comprises:a plurality of first cooling flow paths spaced apart from each other in a longitudinal direction of the inner housing and through which a first fluid flows, a second cooling flow path defined between the plurality of first cooling flow paths and through which a second fluid flows, and a plurality of injection nozzles that are disposed at each of the plurality of first cooling flow paths, that are spaced apart from each other, and that are configured to spray the first fluid to an ...

Electric Motor Connections for Power Tools

In at least one illustrative embodiment, a power tool may comprise an electric motor comprising a rotor configured to rotate about an axis, a stator assembly including at least three windings arranged around the rotor, and at least three lugs affixed to the stator assembly, where each of the lugs is electrically coupled to one or more of the windings. The lugs may all be arranged to one side of a plane that passes through the axis. The power tool may further comprise at least three electrical wires, where each of the electrical wires is removably coupled to one of the lugs, and a control circuit configured to supply electrical power to the windings, via the electrical wires and the lugs, to drive rotation of the rotor about the axis.

MOTOR DEVICE

A printed circuit board and multiple components, which are mounted on both sides of the printed circuit board, form a circuit to drive a motor. The printed circuit board is opposed to a case at a one side. First thermal conductive portion is interposed between a heat generating component of the components and the case. Second thermal conductive portion is interposed between the circuit board and the case. The first and second thermal conductive portions are formed of the same flexible material, are equipped to the same side of the circuit board, are in contact with both the circuit board and the case, and are located at different positions. 1. A motor device comprising:a case including a base and a cover, the base being formed of a metallic material and having a surface and a cover mounting surface, which is on an opposite side of the surface, the cover equipped to the cover mounting surface of the base and defining an accommodation space with the base;a motor located on a side of the surface of the base;a circuit board located in the accommodation space and including a printed circuit board and a plurality of components forming a circuit to drive the motor, the printed circuit board containing resin as a base material and having a one side and a rear side, the one side being opposed to the base, the rear side being on an opposite side of the one side in a thickness direction, the components being mounted on both the one side and the rear side of the printed circuit board; anda thermal conduction member having a flexibility and interposed between the circuit board and the case in the thickness direction, the thermal conduction member being in contact with both the circuit board and the case, whereinthe components include a heat generating component located on at least one of the one side and the rear side of the printed circuit board,the thermal conduction member includes a first thermal conductive portion and at least one second thermal conductive portion,the first ...

MOTOR WITH BRAKE

A controller controls switching between a braked state in which a movable meshing part comes close to and meshes with a motor meshing part and a brake released state in which the movable meshing part is separated from the motor meshing part 1. A motor with a brake , comprising:a motor driven to rotate about a motor shaft;a reduction gear rotating an output shaft with reduced speed about an input shaft drive-transmitted from the motor shaft through a gear mechanism;a brake mechanism including a motor meshing part integrally provided at the motor shaft on an opposite side of the reduction gear in an axial direction and a movable meshing part arranged opposite to the motor meshing part so as to be in contact with or separated from the motor meshing part; anda controller controlling a rotation operation of the motor and a braking operation of the brake mechanism;wherein the controller controls switching between a braked state in which the movable meshing part comes close to and meshes with the motor meshing part and a brake released state in which the movable meshing part is separated from the motor meshing part.2. The motor with the brake according to claim 1 , wherein the controller starts the motor through a motor controller in the brake released state in which the movable meshing part is separated from the motor meshing part claim 1 , and executes the braking operation in which the movable meshing part of the brake mechanism is pressed onto the motor meshing part through a brake controller after transmitting an instruction for stopping motor rotation in a state in which the motor reaches a specified torque.3. The motor with the brake according to claim 1 , wherein the brake mechanism is an electromagnetic brake mechanism provided with a movable yoke with which the movable meshing part is integrally formed claim 1 , a pair of fixed yokes in which both-side leg parts each having a U-shaped cross section are arranged so as to face the movable yoke through a gap claim 1 ...

ELECTRIC ASSEMBLY AND VEHICLE HAVING THE SAME

The present disclosure discloses an electric assembly and a vehicle having the same. The electric assembly includes: a box assembly, where an mounting plate is disposed in the box assembly, and the mounting plate divides a space within the box assembly into a motor holding cavity and a transmission holding cavity; a motor, disposed in the motor holding cavity; a transmission, disposed in the transmission holding cavity, where the motor is power-coupled to the transmission; and a cooling device, disposed in the motor holding cavity and cooling the box assembly. 1. An electric assembly , comprising:a box assembly, wherein an mounting plate is disposed in the box assembly, and the mounting plate divides a space within the box assembly into a motor holding cavity and a transmission holding cavity;a motor, wherein the motor is disposed in the motor holding cavity;a transmission, wherein the transmission is disposed in the transmission holding cavity, and the motor is power-coupled to the transmission; anda cooling device, wherein the cooling device is disposed in the motor holding cavity and cools the box assembly.2. The electric assembly according to claim 1 , whereinthe mounting plate is constructed as a part of the box assembly, andthe cooling device cools the box assembly through the mounting plate.3. The electric assembly according to claim 1 , whereinthe cooling device is a liquid cooling device,a motor cooling liquid passage is disposed in the motor holding cavity, andthe liquid cooling device transports cooling liquid to the mounting plate and the motor through the motor cooling liquid passage.4. The electric assembly according to claim 3 , whereina transmission cooling liquid passage is disposed in the transmission holding cavity,the transmission cooling liquid passage is in communication with the motor cooling liquid passage, andthe transmission cooling liquid passage transports the cooling liquid to the transmission.5. The electric assembly according to claim ...

Linear vibration generating device

A linear vibration generating device installed inside a cellular phone, a vibration bell or the like to generate vibration. Right after the power applied to the ‘circuit (a circuit generating and controlling vibration)’, which is one of elements constituting the linear vibration generating device, is turned off, the ‘circuit’ is configured as a short circuit. In addition, the linear vibration generating device can be easily manufactured since an additional space inside the linear vibration generating device is not required, and there is an outstanding effect of promptly removing residual vibration by increasing the amount of vibration damping after the vibration operation of the vibration generating device including a permanent magnet is finished.

Electro-magnetic generator for vehicle and power plant

An electro-magnetic power generator may be disclosed. The electro-magnetic power generator may include one or more magnetic cylinder which may be wrapped by coils. A controller may coordinate oscillations of the magnetic cylinders by magnetizing the cylinder with the coils, and electric powers are generated by the movement of the magnetic cylinders.

MOTOR DEVICE

A case includes a base and a cover and defines an accommodation space therein. The base has a first through hole through which a magnetoelectric conversion element, which is mounted on a circuit board, is opposed to a sensor magnet of a motor. A connector includes a terminal and a housing, which supports the terminal. The connector has a first protrusion projected toward the base for positioning. The first protrusion of the connector has a tip end inserted through a second through hole of the printed circuit board and further inserted in a hole portion of the base. A second protrusion of the base is projected toward the printed circuit board and is inserted in a third through hole of the printed circuit board for positioning. 1. A motor device comprising:a case including a base and a cover, the base having a first through hole, a surface, and a cover mounting surface, which is on an opposite side of the surface, the cover mounted to the cover mounting surface and defining an accommodation space with the base;a motor including a stator, a rotor, and a sensor magnet, the rotor rotational inside the stator, the sensor magnet mounted on a face of the rotor on a side of the base for detection of a rotary position of the rotor, the motor located on a side of the surface of the base;a circuit board located in the accommodation space and including a printed circuit board and a plurality of electronic components forming a circuit to drive the motor, the printed circuit board having a one side, which is opposed to the base, and a rear side, which is an opposite surface of the one side in a thickness direction, the electronic components mounted on both the one side and the rear side of the printed circuit board, the electronic components including a magnetoelectric conversion element mounted on the one side of the printed circuit board and opposed to the sensor magnet through the first through hole of the base; anda connector including a terminal and a housing, the terminal ...

VIBRATION MOTOR

A vibration motor is provided in the present disclosure. The vibration motor includes a stationary part, a vibration part and an elastic connector. The stationary part includes a housing providing an accommodating space. The vibration part is suspended within the accommodating space by the elastic connector. The stationary part comprises a coil, and the vibration part comprises a first magnet set and a second magnet set; the first magnet set and the second magnet set are respectively disposed at two opposite sides of the coil to generate a closed magnetic loop. The first magnet set includes a first left magnet, a first middle magnet and a first right magnet, the second magnet set includes a second left magnet, a second middle magnet and a second right magnet which are opposite to the first left magnet, the first middle magnet and the first right magnet respectively. 1. A vibration motor , comprising: A vibration motor , comprising:a stationary part comprising a housing providing an accommodating space;an elastic connector; anda vibration part suspended within the accommodating space by the elastic connector;wherein the stationary part comprises a coil, the vibration part comprises a first magnet set and a second magnet set, the first magnet set and the second magnet set are respectively disposed at two sides of the coil to generate a closed magnetic loop; the first magnet set comprises a first left magnet, a first middle magnet and a first right magnet, the second magnet set comprises a second left magnet, a second middle magnet and a second right magnet which are opposite to the first left magnet, the first middle magnet and the first right magnet respectively.2. The vibration motor of claim 1 , wherein the first left magnet and the second left magnet are perpendicular to and at two opposite sides of the coil with a same magnetized direction; the first right magnet and the second right magnet are also perpendicular to and at two opposite sides of the coil and with ...

VIBRATING MOTOR

A vibrating motor is provided in the present disclosure. The vibrating motor includes a housing providing a receiving cavity, a PCB fixed on the housing, a coil received in the receiving cavity and a magnetic assembly opposite to and keeping a distance from the coil. The coil includes a lead wire; the housing includes a base with a plurality of sidewalls. One of the sidewalls adjacent to the coil provides a supporting platform protruding from the receiving cavity. The PCB is positioned on the supporting platform. The lead wire extends to the supporting platform, and electrically connected to the PCB. 1. A vibrating motor , comprising:a housing providing a receiving cavity and comprising a base with a plurality of sidewalls;a print circuit board (PCB) fixed on the housing;a coil received in the receiving cavity and comprising a lead wire; anda magnetic assembly opposite to and keeping a distance from the coil;wherein one of the sidewalls adjacent to the coil provides a supporting platform protruding from the receiving cavity, the PCB is positioned on the supporting platform, the lead wire extends to the supporting platform, and is electrically connected to the PCB.2. The vibrating motor as described in claim 1 , wherein the lead wire is attached to the sidewall providing the supporting platform claim 1 , and is fixed to the PCB by spot welding.3. The vibrating motor as described in claim 1 , wherein the magnetic assembly comprises a first magnetic module and a second magnetic module disposed opposite to the first magnetic module.4. The vibrating motor as described in claim 3 , wherein the first magnetic module comprises a first mass member and a first magnet received in the first mass member claim 3 , and the first mass member comprises a groove formed at a central of a main body thereof.5. The vibrating motor as described in claim 4 , wherein the bottom comprises a first through hole for receiving the first magnet.6. The vibrating motor as described in claim 5 , ...

CONTROL DEVICE, CONTROL METHOD OF SECONDARY EXCITATION DEVICE, AND VARIABLE SPEED PUMPED-STORAGE GENERATING SYSTEM

According to one embodiment, there is provided a control device of a secondary excitation device which supplies a rotary machine with a voltage or current of a variable frequency. The control device includes a harmonic frequency calculation unit which calculates a frequency of a specific harmonic generated on a primary side of the rotary machine by using a slip frequency or rotation speed of the rotary machine and a carrier frequency of the secondary excitation device, and a carrier frequency correction unit which corrects the carrier frequency of the secondary excitation device such that the frequency of the specific harmonic calculated by the harmonic frequency calculation unit falls within a given band. 1. A control device of a secondary excitation device which supplies a rotary machine with a voltage or current of a variable frequency , the control device comprising:a harmonic frequency calculation unit which calculates a frequency of a specific harmonic generated on a primary side of the rotary machine by using a slip frequency or rotation speed of the rotary machine and a carrier frequency of the secondary excitation device; anda carrier frequency correction unit which corrects the carrier frequency of the secondary excitation device such that the frequency of the specific harmonic calculated by the harmonic frequency calculation unit falls within a given band.2. The control device according to claim 1 , further comprising:an information acquisition unit which acquires an impedance frequency characteristic of an electric power system or a circuit connected to the electric power system, or an electrical amount related to the impedance frequency characteristic, whereinthe carrier frequency correction unit corrects the carrier frequency of the secondary excitation device such that the frequency of the specific harmonic falls within a predetermined band determined in accordance with a result acquired by the information acquisition unit.3. The control device ...

BRUSHLESS DIRECT CURRENT MOTOR

A brushless DC motor, including a base, an insulation seat, a rotor assembly, a revolving shaft, a stator assembly, a control panel, a Hall circuit board, and an end cover. The revolving shaft is connected to the rotor assembly. The rotor assembly includes a housing and a plurality of magnetic tiles. The housing includes an inner wall and a cavity defined by the inner wall. The plurality of magnetic tiles is disposed on the inner wall. The stator assembly is disposed in the cavity. The base includes a cylindrical sleeve extending from a center of the base to the cavity of the rotor assembly. The stator assembly is connected to the cylindrical sleeve; two ends of the cylindrical sleeve are provided with a first bearing and a second bearing, respectively; and two ends of the revolving shaft are supported by the first bearing and the second bearing, respectively. 1. A device , comprising:a base;an insulation seat;a rotor assembly;a revolving shaft;a stator assembly;a control panel;a Hall circuit board; andan end cover;wherein:the revolving shaft is connected to the rotor assembly;the rotor assembly comprises a housing and a plurality of magnetic tiles;the housing comprises an inner wall and a cavity defined by the inner wall; the plurality of magnetic tiles is disposed on the inner wall;the stator assembly is disposed in the cavity;the base comprises a cylindrical sleeve extending from a center of the base to the cavity of the rotor assembly;the stator assembly is connected to the cylindrical sleeve;two ends of the cylindrical sleeve are provided with a first bearing and a second bearing, respectively; and two ends of the revolving shaft are supported by the first bearing and the second bearing, respectively;the end cover is disposed on the base and an accommodation cavity is formed therebetween;the base comprises a first through hole; the first through hole is disposed on an inner side of the plurality of magnetic tiles;the insulation seat is disposed in the ...

FOOD PROCESSOR AND ELECTRIC MOTOR FOR FOOD PROCESSOR

A food processor and an electric motor for a food processor. The electric motor includes: a stator core having a ring-shaped stator yoke and a plurality of stator teeth provided at an inner peripheral face of the stator yoke, two adjacent stator teeth defining a stator slot there between, the plurality of the stator teeth defining a stator hole coaxial with the stator yoke, and an outer contour of a radial section of the stator yoke being substantially circular and having a maximum radial dimension D; and a rotor core rotatably provided in the stator hole and coaxial with the stator hole, the rotor core having a maximum radial dimension d, in which 0.4≤d/D≤0.55. 1. An electric motor for a food processor , comprising:a stator core having a ring-shaped stator yoke and a plurality of stator teeth provided at an inner peripheral face of the ring-shaped stator yoke, two adjacent stator teeth defining a stator slot there between, the plurality of the stator teeth defining a stator hole coaxial with the shaped stator yoke, and an outer contour of a radial section of the ring-shaped stator yoke being substantially circular and having a maximum radial dimension D; anda rotor core rotatably provided in the stator hole and coaxial with the stator hole, the rotor core having a maximum radial dimension d, wherein D and d satisfy: 0.4≤d/D≤0.55.2. The electric motor according to claim 1 , wherein D and d further satisfy: 0.5≤d/D≤0.55.3. The electric motor according to claim 1 , wherein the rotor core is provided therein with a plurality of magnet slots spaced apart in a circumferential direction of the rotor core and configured to insert permanent magnets claim 1 , two ends of a magnet slot extend to two axial ends of the rotor core respectively claim 1 , and at least one end of each of the magnet slots in the circumferential direction of the rotor core is provided with a positioning groove configured to position the permanent magnet.4. The electric motor according to claim 3 , ...

Switched reluctance motor control

A switched reluctance motor for an electric vehicle. The switched reluctance motor includes an inverter with switchable windings to control the inductance of the motor. The motor also includes a high speed and low speed mode corresponding to the inductance of the motor. The inverter may include parallel switches, selectively running current to the windings in order to control the inductance.

LOCATING STRUCTURE BETWEEN PRINTED CIRCUIT BOARD AND INSULATING BOBBIN IN A BRUSHLESS MOTOR

A brushless motor includes a printed circuit board having a plurality of locating holes therethrough; and an upper insulating bobbin including a plurality of locating bosses distributed along a circumference direction of an upper surface of the upper insulating bobbin. Each locating boss has a locating column projecting from a top surface thereof such that each locating column is inserted into a respective locating hole. 1. A brushless motor , comprising:a printed circuit board having a plurality of locating holes therethrough; andan upper insulating bobbin including a plurality of locating bosses distributed along a circumference direction of an upper surface of the upper insulating bobbin,wherein each locating boss has a locating column projecting from a top surface thereof such that each locating column is inserted into a respective locating hole.2. The brushless motor according to claim 1 , wherein the locating bosses are distributed evenly along the circumference direction of the upper insulating bobbin.3. The brushless motor according to claim 1 , wherein each locating boss further includes a fixing hole and the printed circuit board includes a plurality of mounting holes each at a position corresponding to a respective one of the mounting holes.4. The brushless motor according to claim 1 , wherein the upper insulating bobbin further includes a plurality of terminal fixing blocks distributed along the circumference direction of an upper surface of the upper insulating bobbin claim 1 , the top surfaces of the locating bosses being higher than top surfaces of the terminal fixing blocks with respect to the upper surface of the upper insulating bobbin.5. The brushless motor according to claim 4 , wherein the terminal fixing blocks are used for insulation displacement connection terminal installation.6. The brushless motor according to claim 4 , wherein each locating boss defines a wire-through slot on its side wall facing the outer edge of the upper insulating ...

COIL-OSCILLATOR VIBRATION UNIT FOR RAIL WORKHEAD

A rail maintenance vehicle includes a frame, a workhead, and a vibrating unit. The frame includes wheels that travel along rails. The vibrating unit is coupled to the workhead and includes a rotor, a stator, a first rotor coil coupled to the rotor and a first stator coil coupled to the stator. 1. A rail maintenance vehicle , comprising:a frame having wheels that travel along rails;a workhead;a vibrating unit coupled to the workhead, the vibrating unit including a rotor, a stator, a first rotor coil coupled to the rotor and a first stator coil coupled to the stator.2. The rail maintenance vehicle of claim 1 , further comprising a flexible conductor coupled between the first rotor coil and the first stator coil.3. The rail maintenance vehicle of claim 1 , wherein the rotor includes a concave pole face.4. The rail maintenance vehicle of claim 3 , wherein the stator includes a convex pole face.5. The rail maintenance vehicle of claim 4 , wherein the concave pole face of the rotor is disposed adjacent the convex pole face of the stator.6. The rail maintenance vehicle of claim 1 , further comprising a second rotor coil coupled to the rotor and a second stator coil coupled to the stator claim 1 , whereinthe first rotor coil is disposed at a first side of a shaft coupled to the rotor,the second rotor coil is disposed at a second, opposing side of the shaft,the first rotor coil is disposed proximal to the first stator coil, andthe second rotor coil is disposed proximal to the second stator coil.7. The rail maintenance vehicle of claim 6 , further comprising a controller operable to alternatingly cause the first rotor coil and the first stator coil to have a same polarity and the second rotor coil and the second stator coil to have a same polarity.8. The rail maintenance vehicle of claim 6 , further comprising a controller operable to alternatingly cause the first rotor coil and the first stator coil to have opposite polarity and the second rotor coil and the second stator ...

ELECTROPERMANENT MAGNET ASSEMBLY

An assembly can include a rotor that defines a rotor axis and that includes a number of permanent magnets; a stator that defines a stator axis, coaxially aligned with the rotor axis, and that includes a number of electropermanent magnets; and a controller that controls polarity of the electropermanent magnets to rotate the rotor about the rotor axis. 1. An assembly comprising:a rotor that defines a rotor axis and that comprises a number of permanent magnets;a stator that defines a stator axis, coaxially aligned with the rotor axis, and that comprises a number of electropermanent magnets; anda controller that controls polarity of the electropermanent magnets to rotate the rotor about the rotor axis.2. The assembly of claim 1 , wherein the controller controls rotation of the rotor about the rotor axis according a step angle that is less than 360 degrees.3. The assembly of claim 2 , wherein the step angle is less than or equal to 90 degrees.4. The assembly of claim 1 , wherein the electropermanent magnets are disposed at angular increments with respect to the stator axis claim 1 , wherein the angular increments define claim 1 , at least in part claim 1 , step angles.5. The assembly of claim 4 , wherein the controller controls polarity of at least a portion of the electropermanent magnets to rotate the rotor by at least one of the step angles.6. The assembly of claim 1 , wherein the number of electropermanent magnets is at least three.7. The assembly of claim 1 , wherein the number of permanent magnets is at least four.8. The assembly of claim 1 , wherein the number of permanent magnets claim 1 , that are not electropermanent magnets claim 1 , exceeds the number of electropermanent magnets.9. The assembly of claim 1 , wherein the permanent magnets are disposed at angular increments with respect to the rotor axis.10. The assembly of claim 9 , wherein the angular increments are defined by an increment angle claim 9 , wherein the increment angle claim 9 , in degrees claim ...

Connector device

A connector device includes: a motor-side connector 30 including motor-side terminals 31; an inverter-side connector 60 including inverter-side terminals 70; a motor case 10 including the motor-side connector 30; and an inverter case 50 including the inverter-side connector 60. The connectors 30, 60 are fitted to each other when the inverter case 50 is stacked on and coupled with the motor case 10. The motor-side connector 30 is fixedly mounted in the motor case 10 via a mounting hole 11 of the motor case 10. The inverter-side connector 60 is supported on the inverter case 50 while penetrating through a mounting hole 79 of the inverter case 50 in a radially freely movable manner.

CROSS-COUPLED COMPOSITE MOTOR, CROSS-COUPLED COMPOSITE POWER GENERATOR, AND CROSS-COUPLED COMPOSITE LINEAR MOTOR

Provided is a motor system adapted for modern society, which does not use a rare-earth magnet, improves a torque weight ratio by approximately one digit in comparison with the conventional motor, and has transfer efficiency of 90% between electric energy and rotational energy. A stator () has a dual-ring tooth-groove iron core, which has magnetic pole surface on both side surfaces and receives coils of basically two-phase structure divided to be multiplexed, with divided coils being interconnected. A rotor () is formed to be capable of rotating while holding eight sets of attraction poles having magnetic pole surfaces on both ends, with each set of attraction poles forming four air-gap-facing surfaces by positioning the dual-ring tooth-groove iron core between the attraction poles so that both side surfaces of the dual-ring tooth-groove iron core face the attraction poles via an air gap (). Magnetic energy accompanying coil switching can be reduced to one part per dozens through the dual effect of reduction owing to coil division and dispersion owing to interconnection. The torque weight ratio can be improved approximately by one digit through synergistic effect of torque increase owing to integration of magnetomotive forces by interconnection, torque increase owing to composite structure of the attraction poles, and weight reduction of the iron core. 1. An interconnection-composite-type motor , comprising:a stator, in which a rectangular-cross-section dual-ring tooth-groove iron core has tooth iron cores, which each penetrate to both side surfaces and are finished on both side surfaces, and grooves for receiving coils wound on both the side surfaces, with the tooth iron cores and the grooves being arranged alternately in circumferential direction; and the dual-ring tooth-groove iron core receives and mechanistically holds coils of a first overlapping phase, coils of a second overlapping phase, coils of a third overlapping phase, coils of a fourth overlapping phase, ...

MOTOR, GIMBAL AND MECHANICAL ARM HAVING SAME

The present invention relates to the field of motor technologies, and provides a motor, a gimbal and a mechanical arm having same. The motor includes a rotary shaft, a first magnetic element, a first circuit board and a second circuit board. The first magnetic element is mounted on the rotary shaft and is capable of rotating with the rotary shaft. The first circuit board is mounted on the rotary shaft and disposed opposite to the first magnetic element. The first circuit board includes a coil circuit and the coil circuit faces toward the first magnetic element. The second circuit board is mounted on the rotary shaft, the second circuit board including an electronic speed control circuit, the second circuit board being electrically connected to the first circuit board. In the motor in the present invention, the second circuit board including the electronic speed control circuit is mounted on the rotary shaft, so that space of the motor can be properly used, thereby making a structure of the motor compact. 1. A motor , comprising:a rotary shaft;a first magnetic element, wherein the first magnetic element is mounted on the rotary shaft and is capable of rotating with the rotary shaft;a first circuit board, wherein the first circuit board is mounted on the rotary shaft and disposed close to the first magnetic element, the first circuit board being opposite to the first magnetic element, the first circuit board being provided with a coil circuit, and the coil circuit being disposed on a surface of the first circuit board facing toward the first magnetic element; anda second circuit board, wherein the second circuit board is mounted on the rotary shaft and disposed far away from the first magnetic element, the second circuit board being provided with an electronic speed control circuit, the second circuit board being electrically connected to the first circuit board.2. The motor according to further comprising a first supporting seat sleeved on the rotary shaft claim 1 , ...

Multi-lundell motor

A multi-Lundell motor includes a rotor and a stator. The rotor includes first and second rotor cores and a permanent magnet. The first and second rotor cores each include claw poles in the circumferential direction. The permanent magnet is magnetized in the axial direction between the first and second rotor cores. The stator includes first and second stator cores and a winding. The first and second stator cores each include claw poles in the circumferential direction. The winding is arranged between the first and second stator cores and extended in the circumferential direction. At least one of the first and second rotor cores and the first and second stator cores include core segments arranged in the circumferential direction.

MICRO FAN

A micro fan is provided. The micro fan includes a rotor and a stator. The stator includes a plurality of axial induced coil units and a circuit board. The axial induced coil units are respectively preformed as a plurality of stator magnetic pole units, and are coupled to the circuit board. At least one of the coil units includes a coil and insulation material. The insulation material is block-shaped and covers at least a portion of the coil, and the central axis of the coil is parallel to the shaft of the rotor. 1. A micro fan , comprising:a rotor; anda stator, comprising a plurality of axial induced coil units and a circuit board, wherein the axial induced coil units are respectively preformed as a plurality of stator magnetic pole units, and are coupled to the circuit board,wherein at least one of the axial induced coil units comprises a coil and an insulation material, the insulation material is block-shaped and covers at least a portion of the coil, a central axis of coil is parallel to a shaft of the rotor.2. The micro fan as claimed in claim 1 , wherein at least one of the axial induced coil units is made by the following steps:forming the coil;putting the coil on a lead frame;covering the coil and a portion of the lead frame with the insulation material; andcutting off the lead frame.3. The micro fan as claimed in claim 2 , wherein at least one end of at least one of the axial induced coil units is formed by the lead frame.4. The micro fan as claimed in claim 1 , wherein at least one of the axial induced coil units is coupled to the circuit board by surface mount technology.5. The micro fan as claimed in claim 1 , wherein at least one of the axial induced coil units is made by the following steps:forming the coil;covering the coil with the insulation material, wherein two ends of the coil are exposed.6. The micro fan as claimed in claim 1 , wherein at least one of the axial induced coil units is made by the following steps:forming the coil;connecting a first ...

SCREWING MACHINE AND TORQUE SENSOR

A screwing machine includes a motor, an output shaft, a twist portion, a plate portion, a strain gauge, an amplification circuit. The output shaft is driven by the motor. To the output shaft, a bit is attachable. The twist portion is hollow. To the twist portion, torque applied to the output shaft is transmitted through a transmission element. The output shaft is configured to be indirectly twisted by the torque applied to the output shaft. The plate portion is integrally formed with the twist portion. The strain gauge is disposed on the twist portion. The amplification circuit is disposed on the plate portion. To the amplification circuit, a signal from the strain gauge is input. 1. A screwing machine comprising:a motor;an output shaft that is driven by the motor and to which a bit is attachable;a twist portion that is hollow, to which torque applied to the output shaft is transmitted through a transmission element, and that is configured to be indirectly twisted by the torque applied to the output shaft;a plate portion integrally formed with the twist portion;a strain gauge disposed on the twist portion; andan amplification circuit that is disposed on the plate portion and to which a signal from the strain gauge is input.2. The screwing machine according to claim 1 , wherein the strain gauge and the amplification circuit are each fixed on a flexible substrate.3. The screwing machine according to claim 2 , wherein the strain gauge includes four strain gauges that are arranged on the flexible substrate that is bent claim 2 , along a circumferential direction of the twist portion.4. The screwing machine according to claim 2 , wherein the amplification circuit is disposed on the plate portion without being bent.5. The screwing machine according to claim 2 , whereinthe flexible substrate includes a first flexible substrate to which the strain gauge is fixed, and a second flexible substrate to which the amplification circuit is fixed,the first flexible substrate ...

Electric machine

An electric machine is provided. The electric machine defines a centerline and includes: a stator assembly; a rotor assembly rotatable relative to the stator assembly about the centerline; and an actuator coupled to the rotor assembly, the stator assembly, or both for moving the rotor assembly, the stator assembly, or both along the centerline between a first position and a second position, the rotor assembly positioned closer to the stator assembly when in the first position than when in the second position.

HIGH ACCELERATION ROTARY ACTUATOR

A high acceleration rotary actuator motor assembly is provided comprising a plurality of phase motor elements provided in tandem on a shaft, each phase element including a rotor carrying magnets which alternate exposed poles, the rotor being connected to the shaft and surrounded by a stator formed of a plurality of interconnected segmented stator elements having a contiguous winding to form four magnetic poles, the stator being in electrical communication with a phase electric drive unit, wherein each of the poles exert a magnetic force upon the magnets carried by the rotor when the poles are electrically charged by the phase electric drive unit. The rotors and magnets of each phase motor element are offset about the shaft from one another. In addition, the phase motor elements are electrically isolated from one another. 1. A high acceleration rotary actuator motor assembly comprising:a first phase motor element provided on a shaft, the first phase element including a first rotor carrying a plurality of magnets which alternate exposed poles, the first rotor being connected to the shaft and surrounded by a first stator formed of a plurality of interconnected segmented stator elements having a contiguous winding to form a plurality of magnetic poles;a second phase motor element provided on the shaft a first distance from the first phase motor element, the second phase motor element including a second rotor carrying a plurality of magnets which alternate exposed poles, the second rotor being connected to the shaft and surrounded by a second stator formed of a plurality of interconnected segmented stator elements having a contiguous winding to form a plurality of magnetic poles;a third phase motor element provided on the shaft a second distance from the second phase motor element, the third phase motor element including a third rotor carrying a plurality of magnets which alternate exposed poles, the third rotor being connected to the shaft and surrounded by a third ...

Connection terminal assembly and electromotive drive device using same

In an electrical connection terminal assembly and an electromotive drive device, a connector-side terminal is divided into two portions along an insertion direction of the connector-side terminal, thereby constituting divided terminal pieces. These divided terminal pieces are inserted between elastic terminal pieces of a base-board-side terminal, thereby electrically connecting the two parties. In this manner, the connector-side terminal is divided into the two portions to constitute the divided terminal pieces, and thus the rigidity of each of the divided terminal pieces can be decreased. Even if the connector-side terminal has been connected to the base-board-side terminal by prying, the divided terminal pieces of the connector-side terminal deform readily to follow the shape of the base-board-side terminal and thus it is possible to suppress an increased change in an electrical resistance and/or a thermal resistance between the base-board-side terminal and the connector-side terminal.

POWER GENERATION SYSTEM

According to one embodiment, a power generation system includes a power generator, a displacement measuring part, and a converter. The power generator includes a movable part and converts mechanical energy of the movable part into electric power. The displacement measuring part measures a displacement of the movable part. The converter includes a switching circuit whose duty ratio is controlled based on the measured displacement, and converts a voltage level of the electric power. 1. A power generation system comprising:a power generator that includes a movable part and converts mechanical energy of the movable part into electric power;a displacement measuring part that measures a displacement of the movable part; anda converter that includes a switching circuit whose duty ratio is controlled based on the measured displacement, and that converts a voltage level of the electric power.2. The power generation system according to claim 1 , further comprising:a comparator that compares the measured displacement with a reference displacement, whereinthe duty ratio is increased in response to the measured displacement becoming equal to or greater than the reference displacement.3. The power generation system according to claim 1 , further comprising:an absolute value circuit that calculates an absolute value of the measured displacement; anda comparator that compares the absolute value with a reference displacement, whereinthe duty ratio is set to a first value when the absolute value is less than the reference displacement, and is set to a second value when the absolute value is equal to or greater than the reference displacement, the second value being greater than the first value.4. The power generation system according to claim 1 , further comprising:an absolute value circuit that calculates an absolute value of the measured displacement; anda comparator that compares the absolute value with a first reference displacement and a second reference displacement, the second ...

Linear actuator

A linear actuator comprises a housing, inside which a spindle assembly, a push rod assembly driven by the spindle assembly, a limit switch for limiting stroke of the push rod assembly, and a motor for driving the spindle assembly are mounted. A connecting seat is disposed on the circuit board for centralizing connection terminals. The motor is electrically connected to the connection terminals. The housing is provided with a plug-in window aligned to the connecting seat. An electric plug of the linear actuator passes through the plug-in window and is plugged into the connecting seat. The electric plug and the housing are fastened together via a mounting component.

ELECTROMECHANICAL DRIVE SYSTEM

An electromechanical drive system for a mechanical power load. The system includes an electric motor connectable to an electric power source, a first transmission connected at one side with a first end of the shaft of the electric motor and connectable at the other end with a load, an electric power generator, and a second transmission connected at one side with a second end of the shaft of the electric motor, which extends in a direction opposite to that of the first end of the shaft of the electric motor, and which is connected at the other side with the electric power generator, wherein the electric power generator is electrically connectable via a switch with a power source and the electric motor, such that the electric current from the power generator can be directed either to electric power source or to an electric motor, with which charging of the electric power source is achieved when a need of the load for mechanical power is reduced. 2. The electromechanical drive system according to claim 1 , wherein the electric conductor between the electric power generator and the electric motor and the electric conductor between the electric motor and the electric power source is provided with a semiconductor diode.3. The electromechanical drive system according to claim 1 , wherein the electric power source is selected among an electric supply network claim 1 , a battery claim 1 , and a rechargeable battery pack.4. The electromechanical drive system according to claim 1 , further comprising a control system.5. The electromechanical drive system according to claim 1 , wherein the first and the second transmissions are selected among a stiff transmission system claim 1 , belt transmission claim 1 , gear transmission claim 1 , clutch claim 1 , mechanical switch claim 1 , chain transmission claim 1 , pneumatic transmission claim 1 , hydraulic transmission claim 1 , and magnetic transmission.6. The electromechanical drive system according to claim 1 , wherein the electric ...

Integrated Brushless Starter Generator

A brushless starter-generator system is contained within a single housing. The housing has a first end with an opening to receive a drive spline from a motive source and an opposing second end. A brushless, rotating, machine is located adjacent the first end and is kinetically connectable to the drive spline. A power control unit is adjacent the second end and electrically coupled to the brushless, rotating machine. The brushless, rotating machine is selected from the group consisting of a synchronous machine, a permanent magnet machine, and an induction machine. Electrical and mechanical interfaces are identical to a like-rated brushed version for a true “drop-in” replacement capability to facilitate replacements and up-grades

ELECTRIC POWER GENERATOR FOR VESSELS

An electric power generator () for marine vessels, comprises: a containment enclosure (); an internal combustion engine () housed in the containment enclosure () and including a drive shaft, rotating at a variable rotation speed; an alternator () housed in the containment enclosure () and configured to receive mechanical power from the internal combustion engine () and to convert it into electric power; a second cooling circuit (), configured to cause sea water to circulate; an electrical power converter () connected to the alternator () to receive an input current, having an input frequency, and to convert it into an output current, having an output frequency. The second cooling circuit () comprises a first heat exchanger () configured to allow heat exchange between the sea water and the electrical power converter (). 114-. (canceled)15. An electric power generator for marine vessels , comprising:a containment enclosure provided with an inlet section and an outlet section;an internal combustion engine housed in the containment enclosure and including a drive shaft, rotating at a variable rotation speed, the internal combustion engine including a first cooling circuit filled with a cooling liquid;{'claim-text': 'a stator;', '#text': 'an alternator housed in the containment enclosure and configured to receive mechanical power from the internal combustion engine and to convert the mechanical power into electric power, the alternator including:'}a driven shaft, connected to the drive shaft to receive the mechanical power;a rotor, keyed to the driven shaft and including permanent magnets;a second cooling circuit, configured to circulate sea water from the inlet section to the outlet section;an electrical power converter connected to the alternator to receive an input electrical current, having an input frequency, and to convert the input electrical current into an output electric current, having an output frequency different from the input frequency,wherein the second ...

ELECTRIC MOTOR, AND AIR BLAST DEVICE AND AIR-CONDITIONING AND/OR HEATING VENTILATION SYSTEM PROVIDED WITH SUCH A MOTOR

The invention relates to an electric motor () comprising a stator () and a rotor (), the rotor () being arranged around the stator (), an element () for supporting said rotor () and said stator (), a motor support () through which a stream of fluid flows, a radiator () and an electronic body (), said radiator () being inserted between said motor () support () and said electronic body (), characterised in that the element () for supporting the rotor () and the stator (), and the radiator (), form the same so-called bifunctional part (). 1. An electric motor comprising:a stator; anda rotor,the rotor being arranged around the stator, an element for supporting said rotor and said stator, a motor support through which a stream of fluid flows, a radiator and an electronic body, said radiator being inserted between said motor support and said electronic body, characterized in that the element for supporting the rotor and the stator and the radiator form the same so-called bifunctional part.2. The motor as claimed in claim 1 , wherein the bifunctional part comprises:a base serving as the radiator, anda hollow part that includes an internal channel that serves as the element for supporting the rotor and the stator.3. The motor as claimed in claim 2 , wherein the base of the bifunctional part is placed in contact with the motor support and the electronic body so that the stream of fluid passing through the motor support also cools the radiator and said radiator cools said electric body.4. The motor as claimed in claim 2 , wherein the base is disk-shaped and lies in a plane that is perpendicular to the axis of revolution of the internal channel of the hollow part.5. The motor as claimed in claim 2 , wherein the stator is arranged around the hollow part and in contact with the external surface of said hollow part and in that the internal channel is adapted to receive a central shaft of the rotor claim 2 , said rotor being positioned around said stator.6. The motor as claimed in ...

Automotive controlling apparatus

An external connection connector includes: an insulating resin molded body in which are formed integrally: a second flange portion that is fixed to a first axial end surface of a first bulging portion of a unit housing; an extended portion that extends from the second flange portion alongside an outer circumferential surface of the actuator housing toward the first axial end; a first flange portion that extends radially inward from a first axial end of the extended portion; and a connector portion that is formed on the first flange portion; and a plurality of electrical conductors that are insert-molded into the insulating resin molded body such that first ends thereof protrude inside the connector portion and second ends thereof protrude into a connection window that is formed on a second bulging portion of a heatsink, the electrical conductors being connected to control portion connecting terminals inside the connection window.

VIBRATING MOTOR

A vibrating motor is provided in the present disclosure. The vibrating motor includes a shell, a base covered by the shell for forming an accommodating space, a vibrating system accommodated in the accommodating space, and a pair of elastic connectors connected to two opposite ends of the vibrating system respectively for elastically suspending the vibrating system in the accommodating space. Each elastic connector includes a first elastic member and a second elastic member for connecting a corresponding end of the vibrating system to the shell; the first elastic member includes a first elastic arm, and the second elastic member includes a second elastic arm crossing over and interesting with the first elastic arm. 1. A vibrating motor , comprising:a shell;a base covered by the shell for forming an accommodating space;a vibrating system accommodated in the accommodating space; anda pair of elastic connectors connected to two opposite ends of the vibrating system respectively for elastically suspending the vibrating system in the accommodating space;wherein each elastic connector comprises a first elastic member and a second elastic member for connecting a corresponding end of the vibrating system to the shell; the first elastic member comprises a first elastic arm, and the second elastic member comprises a second elastic arm crossing over and interesting with the first elastic arm.2. The vibrating motor as described in claim 1 , wherein the vibrating system comprises a first vibrating unit and a second vibrating unit arranged in parallel claim 1 , the first vibrating unit comprises a first mass member and a magnet module received in the first mass member claim 1 , the second vibrating unit comprises a second mass member and a coil assembly received in the second mass member.3. The vibrating motor as described in claim 2 , wherein both the first elastic member and the second elastic member have a U-shaped configuration.4. The vibrating motor as described in claim 3 , ...

Vibration Motor

A vibration motor includes a first vibrator, a second vibrator and a fixing member having a part located between the first and second vibrators. The first and second vibrators are suspended by a number of guiding members each having a guide and a spring wound around the guide. The first and second vibrators are capable of vibrating along two perpendicular directions. 1. A vibration motor , comprising:a cover;a substrate forming an accommodation space together with the cover;a first vibrator accommodated in the accommodation space, the first vibrator having a first weight and a first driver assembled with the first weight;a second vibrator accommodated in the accommodation space, the second vibrator having a second weight and a second driver assembled with the second weight;a fixing member assembled with the cover and having a third driver located between the first and second drivers for producing an interaction between the first driver and the third driver for driving the first vibrator along a first direction, and for producing an interaction between the second driver and the third driver for driving the second vibrator along a second direction perpendicularly to the first direction.2. The vibration motor as described in claim 1 , wherein the first driver is a magnet assembled with the first weight claim 1 , the second driver is a magnet assembled with the second weight claim 1 , and the third driver is a coil.3. The vibration motor as described in claim 1 , wherein the first driver is a coil assembled with the first weight claim 1 , the second driver is a coil assembled with the second weight claim 1 , and the third driver is a magnet.4. The vibration motor as described in claim 1 , wherein the fixing member includes a top for carrying the third driver claim 1 , a side extending substantially vertically from the top claim 1 , and a bottom extending particularly to the side and fixed to the cover or the substrate.5. The vibration motor as described in further ...

Control Unit For a Power Tool

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

SERVOMOTOR AND CONTROL METHOD THEREOF

A servomotor includes a control circuit, an electric motor, a harmonic drive and a sensor. The control circuit is connected to the electric motor and used to control the electric motor. The harmonic drive includes an outer casing, a wave generator, a flex spline and a circular spline. The wave generator is driven by the electric motor. The flex spline is sleeved on an exterior of the wave generator and located within the circular spline and engages with the circular spline. The flex spline is connected with an output member that is used to output power, and a post is arranged along a rotation axis of the output member. The sensor is arranged within the outer casing and used to detect an angular displacement of the post. A method for controlling the servomotor is also provided. 1. A servomotor comprising:a control circuit, an electric motor, a harmonic drive and a sensor;the control circuit being electrically connected to the electric motor, and configured to output signals to control the electric motor to rotate;the harmonic drive comprising an outer casing, a wave generator, a flex spline and a circular spline that are arranged within the outer casing, the electric motor being arranged at one end of the outer casing, the wave generator being driven by the electric motor, the flex spline being sleeved on an exterior of the wave generator, the circular spline being fixed within the outer casing, the flex spline being located within the circular spline and engaging with the circular spline;the flex spline being connected with an output member that is configured to output power, and a post arranged along a rotation axis of the output member; andthe sensor being arranged within the outer casing and configured to detect angular displacement of the post.2. The servomotor of claim 1 , wherein an output shaft of the electric motor extends to an inside of the outer casing and comprises a first gear arranged thereto claim 1 , the wave generator comprises a second gear ...

MOTOR

A motor may include a rotor that rotates on a central axis; and a stator that is located radially outside the rotor. The rotor may include a rotor core; and a resin portion that is provided to cover at least a part of the rotor core. The rotor core has a plurality of through-holes that penetrate the rotor core in an axial direction. The resin portion may include a first resin portion that is provided to cover at least a part of an axially first-side end face of the rotor core; and an extension that is provided in at least one of the through-holes and extends from the first resin portion through the through-hole in the axial direction. The first resin portion may include a protrusion that protrudes toward an axially first side. The protrusion and the extension may overlap with each other as seen in axial plan view. 1. A motor comprising:a rotor that rotates on a central axis; anda stator that is located radially outside the rotor,wherein a rotor core; and', 'a resin portion that is provided to cover at least a part of the rotor core,, 'the rotor comprisesthe rotor core comprises a plurality of through-holes that penetrate the rotor core in an axial direction, a first resin portion that is provided to cover at least a part of an axially first-side end face of the rotor core; and', 'an extension that is provided in at least one of the through-holes and extends from the first resin portion through the through-hole in the axial direction,, 'the resin portion comprisesthe first resin portion comprises a protrusion that protrudes toward an axially first side, andthe protrusion and the extension overlap with each other as seen in an axial plan view.2. The motor according to claim 1 , whereinthe resin portion further comprises a second resin portion that is provided to cover at least a part of an axially second-side end face of the rotor core, andthe extension connects the first resin portion to the second resin portion.3. The motor according to claim 2 , whereinthe second ...

INTEGRATED ELECTRICAL MOTOR

The present disclosure discloses an integrated electrical motor, comprising at least two sets of corresponding stators and rotors, wherein the at least two sets of corresponding stators and rotors are mounted within the same housing, and are connected to the corresponding controllers, and the rotors are mounted on the same shaft. The total output torque of the electrical motor can be distributed to the shaft from different stator/rotor pairs, and when one or more of the sets of stators and rotors have malfunction, the remaining stators and rotors maintain running. The integrated electrical motor of the present disclosure has compact structure, small axial dimension, distributable torque, high safety margin and high reliability. 1. An integrated electrical motor , wherein the integrated electrical motor comprises: a shaft , a first stator , a first rotor , a second stator , a second rotor , a first controller , a second controller , a power supply and a housing ,the housing comprises: a middle shell and two end caps, wherein the two end caps are mounted at two ends of the middle shell; and two ends of the shaft are fixed on the two end caps respectively;the first rotor and the second rotor are fixedly mounted on the shaft, and the first stator and the second stator are fixed on inner sidewall of the middle shell and respectively correspond to locations of the first rotor and the second rotor;the power supply is connected to the first controller and the second controller, the first controller and the first stator are electrically connected, and the second controller and the second stator are electrically connected; andthe first controller and the second controller control rotational speeds of the first rotor and the second rotor by controlling electric currents in the first stator and the second stator.2. The integrated electrical motor according to claim 1 , wherein claim 1 , the integrated electrical motor further comprises: two bearings claim 1 ,wherein the two ...

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 ...

DRIVING DEVICE AND WINDOW LIFT ACTUATOR USING THE SAME

A driving device includes a motor and a control unit for controlling of the motor. The motor includes a motor body and an end cap assembly disposed at one end of the motor body. The motor body comprises a stator, a rotor rotatable relative to the stator, and a motor shaft fixed to and rotated with the rotor. The end cap assembly is provided with two brushes. The control unit includes two connectors for connecting with an external power source. The two brushes are respectively electrically connected to the connectors through the control unit. Lengths of connecting routes of the two brushes to the corresponding connectors are substantially equal to each other. 1. A driving device , comprising:a motor comprising a motor body and an end cap assembly disposed at one end of the motor body, the motor body comprising a stator, a rotor rotatable relative to the stator, and a motor shaft fixed to and rotated with the rotor, the end cap assembly is provided with two brushes, anda control unit for controlling the motor, the control unit comprising two connectors for connecting with an external power source; wherein the two brushes are respectively electrically connected to the connectors through the control unit, lengths of connecting routes of the two brushes to the corresponding connectors are substantially equal to each other.2. The driving device of claim 1 , wherein a ratio of a difference between the lengths of the connecting routes of the two brushes is less than 20%.3. The driving device of claim 1 , wherein the end cap assembly comprises a cover and a plurality of electronic components mounted on the cover claim 1 , the plurality of the electronic components comprising the two brushes claim 1 , two inductors claim 1 , and two connection terminals.4. The driving device of claim 3 , wherein the brushes are correspondingly connected to the control unit through the inductors and the connection terminals.5. The driving device of claim 4 , wherein the inductors and the ...

A Flywheel System

The present disclosure relates to a flywheel system. The flywheel system comprises a rotation axis and a flywheel rotor connected to the rotation axis. Further, the system comprises a drive and/or a power generator connected to the flywheel rotor. According to the invention, the flywheel rotor has an outer radius in radial direction of at least 0.85 meter, preferably at least meter, and more preferably at least 1.30 meter. The invention further relates to flywheel rotors having a thickness in axial direction of at least 0.30 meter, preferably at least 0.45 meter, and more preferably at least 0.60 meter. Finally, the invention also relates to a flywheel system of which the rotor has a weight of at least 2.5 tons, preferably at least 4 tons and more preferably at least 5 tons. 2. The flywheel system according to claim 1 , wherein the drive and/or the power generator is claim 1 , in use of the flywheel system claim 1 , arranged to allow rotation of the flywheel rotor at a speed of between at least 600 rpm and 1800 rpm.3. The flywheel system according to or claim 1 , comprisingan air ring under the flywheel rotor; andan air discharge associated with at least the air ring or a space defined thereby,wherein the air ring is arranged to air levitate the flywheel rotor on a cushion of air in the space defined and enclosed by the air ring, for instance underneath the flywheel rotor.4. The flywheel system according to claim 1 , wherein the flywheel rotor has an inner radius in radial direction of at least 0.75 meter.5. The flywheel system according to claim 1 , wherein at least one additional connection element is arranged between an axially opposing axial end of the flywheel rotor and the rotation axis.6. The flywheel system according to claim 5 , wherein the additional connection element is disk shaped.7. The flywheel system according to claim 6 , wherein the disk shaped connection element is flexible to support the ring shaped flywheel rotor.8. The flywheel system according ...

Motor with speed reducer

A motor with a speed reducer, comprising a motor main body including a rotary shaft; a speed reducer portion including a worm and a worm wheel, a housing including a housing main body and a housing cover, the housing main body accommodating the speed reducer portion and being open to one side in an axial direction of the worm wheel; a circuit board accommodated in the housing, a power component disposed at one side of the circuit board; and a heat-receiving portion disposed at the housing main body, the heat-receiving portion being adjacent to the worm and disposed such that a part of the heat-receiving portion overlaps with the worm as viewed from the side thereof where the opening of the housing main body is disposed, and the heat-receiving portion touching against a face at the other side of the circuit board and receiving heat generated by the power component.

AN ELECTRICAL MOTOR

An electrical motoris provided, comprising a rotor (), a stator (), and a housing () enclosing the rotor () and the stator (). The stator () comprises at least one end turn connection device () arranged on one axial end thereof, and a plurality of hollow winding pins () extending through the at least one end turn connection device (). 1234233656. An electrical motor , comprising a rotor () , a stator () , and a housing () enclosing the rotor () and the stator () , wherein the stator () comprises at least one end turn connection device () arranged on one axial end thereof , and a plurality of hollow winding pins () extending through the at least one end turn connection device ().23656. The electrical motor according to claim 1 , wherein the stator () comprises two end turn connection devices () arranged on a respective axial end thereof claim 1 , and wherein the hollow winding pins () extend through both end turn connection devices ().35. The electrical motor according to or claim 1 , wherein the hollow winding pins () are distributed at different radius.48656. The electrical motor according to any one of the preceding claims claim 1 , further comprising an oil inlet () arranged at the at least one end turn connection device () and configured to allow cooling oil to flow into the hollow winding pins () without contacting the end turn connection device ().5968956. The electrical motor according to and claim 1 , further comprising an oil outlet () arranged at the end turn connection device () positioned on the opposite end of said oil inlet () claim 1 , wherein the oil outlet () is configured to allow cooling oil to flow out from the hollow winding pins () without contacting the end turn connection device ().68976. The electrical motor according to or claim 1 , wherein the oil inlet () and/or oil outlet () are formed as respective covers () for the end turn connection devices ().756. The electrical motor according to any one of the preceding claims claim 1 , wherein ...

MOTOR

A motor includes a rotor rotatable about a center axis extending vertically, a stator radially opposing the rotor, a bracket holding the stator, a circuit board including an upper surface with a first wiring pattern and a lower surface with a second wiring pattern, and a first fixing portion having conductivity and fixing the circuit board to the stator. The stator includes a stator core having conductivity. The first fixing portion includes a board holding portion holding the circuit board, and a stator fixed portion fixed to a portion of the stator core. The board holding portion is in contact with the first wiring pattern and the second wiring pattern. 1. A motor comprising:a rotor rotatable about a center axis extending vertically;a stator radially opposing the rotor;a bracket holding the stator;a circuit board including an upper surface with a first wiring pattern and a lower surface with a second wiring pattern; anda first fixing portion having conductivity and fixing the circuit board to the stator; whereinthe stator includes a stator core having conductivity;the first fixing portion includes:a board holding portion holding the circuit board; anda stator fixed portion fixed to a portion of the stator core; andthe board holding portion being in contact with the first wiring pattern and the second wiring pattern.2. The motor according to claim 1 , whereinthe circuit board includes a board through-hole through which at least a portion of the board holding portion vertically passes; a large-diameter portion extending axially and having an outer diameter larger than an inner diameter of the board through-hole; and', 'a leg portion extending axially downward from a lower surface of the large-diameter portion;, 'the board holding portion includesthe lower surface of the large-diameter portion is in contact with the first wiring pattern; andthe leg portion is inserted into the board through-hole and is in contact with the second wiring pattern.3. The motor according ...

Component configured to stiffen an electric motor assembly

An apparatus includes a first component and a second component. The second component is located at a first position. The second component includes a first connection to the first component. The first position and the first connection are configured to stiffen an electric motor assembly.

ELECTRIC GENERATOR COOLING METHOD

Provided is a method for cooling an electric generator including the steps of: monitoring the temperature of the end winding and of the magnet through said first and second temperature sensors, if the temperatures of the end winding and/or of the magnet rises and reaches a first upper limit, operating the plurality of cooling fans for providing a first cooling power to the electric generator, if, while the first cooling power is provided, the temperature of the magnet reaches the second maximum acceptable temperature and the temperature of the end winding is lower than the first maximum acceptable temperature, operating the plurality of cooling fans for providing a second cooling power to the electric generator, the second cooling power being lower than the first cooling power. 1. A method for cooling an electric generator comprisinga stator including a plurality of windings and at least an end winding associated to a first temperature sensor, the end winding being operatable up to a first maximum acceptable temperature,a rotor including at least a magnet associated to a second temperature sensor, the magnet being operatable up to a second maximum acceptable temperature,one or more cooling fans, which in their active state generate air flows through the electric generator, for cooling the end winding and the magnet,wherein the method includes the steps of:monitoring the temperatures of the end winding and of the magnet through said first and second temperature sensors,if the temperature of the end winding and/or of the magnet rises and reaches a first upper limit, operating the plurality of cooling fans for providing a first cooling power to the electric generator,if, while the first cooling power is provided, the temperature of the magnet reaches the second maximum acceptable temperature and the temperature of the end winding is lower than the first maximum acceptable temperature, operating the plurality of cooling fans for providing a second cooling power to the ...

BRUSHLESS MOTOR FOR A POWER TOOL

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

ELECTRIC MOTOR SYSTEM, AND TURBO COMPRESSOR PROVIDED WITH SAME

An electric motor system includes a drive shaft that rotationally drives a load, a bearingless motor, a power source unit, and a control unit. The bearingless motor includes a rotor and a stator having armature and support windings. The bearingless motor rotationally drives the drive shaft and supports a radial load of the drive shaft in a contactless manner. The power source unit applies a voltage to the armature and support windings. The control unit controls the power source unit so that a radial support force that is a sum of a radial support force caused by a support current and a radial support force caused by both the support current and an armature current is output, and so that one of an armature voltage across the armature winding and the support current is increased and the other of the armature voltage and the support current is decreased. 1. An electric motor system comprising:a drive shaft that rotationally drives a load;a bearingless motor including a rotor and a stator having an armature winding and a support winding, the bearingless motor rotationally driving the drive shaft and supporting a radial load of the drive shaft in a contactless manner;a power source unit configured to apply a voltage to the armature winding and the support winding; and so that a radial support force that is a sum of a radial support force caused by a support current flowing through the support winding and a radial support force caused by both the support current and an armature current flowing through the armature winding is output, and', 'so that one of an armature voltage across the armature winding and the support current is increased and the other of the armature voltage and the support current is decreased., 'a control unit configured to control the power source unit'}2. The electric motor system according to claim 1 , wherein so that the armature voltage is increased and the support current is decreased or', 'so that the support current is increased and the armature ...

Device and process for the generation of electrical energy

A muonic electromagnetic generator for generating electrical energy is provided and includes a generator that is connectable to at least one source of electric energy with a lower power than the power generated by the generator. The generator includes at least one outer electric coil, at least one inner electric coil, situated substantially inside the outer electric coil, and an oscillator. The oscillator is connected between the source of electrical energy and the outer electric coil. When the outer electric coil is connected to a source of electric energy via an oscillator that was previously tuned to emit a frequency corresponding to a certain fraction specific to the Compton frequency of a muon, the muonic energy is absorbed by an inner electric coil, and this energy can be used to feed any external load. This muonic energy can be significantly greater than the power of the source of energy

INVERTER DRIVE SYSTEM, BUS BAR AND ASSEMBLY

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

Forced air cooling from piston movements of nailer tool

A fastener driving tool that forces air from its variable venting volume beneath the piston of the working cylinder and directs that forced air through passageways and toward an electronic controller and/or an electric motor before being vented to atmosphere, thereby drawing heat away from those components during an operational cycle of the movable piston. When the piston returns to its initial position, environmental air is drawn through the same passageways, again past the electronic controller and/or electric motor, thereby twice cooling these “hot” components during a single operational cycle.

Wave Energy Convertor

A device and method for generating electric energy/power from a wave motion. The device comprises an input branch connected to a movable element, a secondary branch connected to a main electric generator, a power split transmission comprising a first mechanical port connected to the input branch, and a second mechanical port connected to a secondary branch, and a third port being a mechanical or electrical control port. The device further comprises a variable speed auxiliary electrical machine connected to the control port for mechanically or electrically controlling power distribution in the power split transmission. The device further comprises a control unit adapted for controlling the variable speed auxiliary electrical machine in such a way as to realize a one-way rotation of the main electric generator. 1. A device for generating electric energy from a wave motion , the device being connectable to a movable element configured for performing an oscillatory movement under the influence of the wave motion , the device comprising:a main electric generator,an input branch operatively connectable to the movable element, the movable element, when connected to the input branch, being configured for imposing an oscillatory movement on the input branch as a result of the wave motion, the oscillatory movement being a periodic movement having a period wherein during alternating moments in time positive and negative speeds are imposed to the input branch,a secondary branch operatively connected to the main electric generator,a power split transmission comprising at least three ports, the at least three ports comprising:a first mechanical port connected to the input branch,a second mechanical port connected to the secondary branch, anda third port being a control port,the power split transmission being configured for distributing power between the at least three ports,wherein the device furthermore comprises a variable speed auxiliary electrical machine operatively ...

ROTATIONAL ELECTRIC MACHINE

A stator is disposed inside a motor case having a cylindrical shape. A winding wire is wound around the stator. A rotor is rotatably disposed inside the stator. A shaft is disposed in a rotational center of the rotor. A first plate covers one side of the motor case. The first plate rotatably supports one end portion of the shaft. A second plate has an insert hole extending in a thickness direction of the second plate. The second plate covers an other side of the motor case and rotatably supports an other end portion of the shaft. A wire extending portion has one end electrically connected to the winding wire. The wire extending portion extends from the winding wire and is inserted into the insert hole. A controller is disposed on a side of the second plate opposite to the motor case. The controller includes a substrate and is electrically connected to an other end of the wire extending portion at a side of the substrate opposite to the second plate to control energization to the winding wire. 1. An electrical power steering device comprising:a motor that includes a motor case having a cylindrical shape, a stator disposed inside the motor case, a winding wire wound around the stator, a rotor rotatably disposed inside the stator, and a shaft disposed in a rotational center of the rotor, a magnet being arranged on an end portion of the shaft;a first plate that covers one side of the motor case, the first plate rotatably supporting one end portion of the shaft; an insert hole extending in a thickness direction of the second plate,', 'a first recessed portion formed on a side of the second plate opposite to the motor case,', 'a second recessed portion formed on the side of the second plate opposite to the motor case, and', 'a shaft hole portion;, 'a second plate covering a another side of the motor case and rotatably supporting another end portion of the shaft, the second plate including'}a wire extending portion that has one end electrically connected to the winding ...

TURBOMACHINE EQUIPPED WITH AN EMBEDDED ELECTRIC MACHINE HAVING A SEGMENTED AND MOVABLE STATOR

A turbomachine equipped with an embedded electric machine having a segmented and movable stator is provided. In one aspect, a turbomachine defines a radial direction and includes a rotating component, actuators, and an electric machine. The electric machine includes a rotor assembly rotatable with and operatively coupled with the rotating component. The electric machine also includes a stator assembly having a stator split into stator segments. Each one of the stator segments is movable by one of the actuators between a first position and a second position along the radial direction, the stator segments each being closer to the rotor assembly along the radial direction when in the first position than when in the second position.

Electronic device

The reliability of an electronic device is improved. An electronic device has a wiring substrate and a housing made of a metal for supporting the wiring substrate. A semiconductor device having a switching power transistor is mounted at the wiring substrate. A ground pattern of a conductive film and a heat radiation pattern of a conductive film are formed at the wiring substrate. The heat radiation pattern is not electrically coupled with any electronic component mounted at the wiring substrate, and is also not electrically coupled with the ground pattern. The ground pattern overlaps the semiconductor device in the thickness direction of the wiring substrate. The heat radiation pattern overlaps the ground pattern in the thickness direction of the wiring substrate, and overlaps a region where the housing and the wiring substrate are in contact with each other.

Low-cost modular inductive position sensor and method of manufacturing it

A position sensor includes a plurality of E-shaped ferromagnetic cores arranged to define a circular opening therethrough to receive a shaft. Each E-shaped ferromagnetic core has a plurality of teeth, wherein adjacent E-shaped ferromagnetic cores of the arranged plurality of E-shaped ferromagnetic cores have an overlapping tooth. The position sensor further includes a frame surrounding the arranged plurality of E-shaped ferromagnetic cores, with the E-shaped ferromagnetic cores coupled to the frame. 1. A position sensor comprising:a plurality of E-shaped ferromagnetic cores arranged to define a circular opening therethrough to receive a shaft, each E-shaped ferromagnetic core having a plurality of teeth, wherein adjacent E-shaped ferromagnetic cores of the arranged plurality of E-shaped ferromagnetic cores have an overlapping tooth; anda frame surrounding the arranged plurality of E-shaped ferromagnetic cores, the E-shaped ferromagnetic cores coupled to the frame.2. The position sensor of claim 1 , wherein the plurality of E-shaped ferromagnetic cores are configured as a stator to receive therein the shaft configured as the rotor.3. The position sensor of claim 1 , wherein each E-shaped ferromagnetic core of the plurality of E-shaped ferromagnetic cores comprises a middle tooth and two side teeth claim 1 , one each on an opposite side of the middle tooth claim 1 , the middle tooth and two side teeth extending from a base to form an E-shaped profile.4. The position sensor of claim 3 , wherein the middle tooth had a first width and each of the two side teeth have a second width claim 3 , wherein the first width is twice the second width.5. The position sensor of claim 3 , wherein a side tooth of one E-shaped ferromagnetic core entirely overlaps a side tooth of an adjacent E-shaped ferromagnetic core.6. The position sensor of claim 1 , wherein a first set of the plurality of E-shaped ferromagnetic cores are arranged in a first plane and a second set of the plurality of ...

Torque tunnel halbach array electric machine

Disclosed are various embodiments for Torque Tunnel Halbach Array electric machines having a rotor comprising a plurality of rotor assemblies configured to form a magnetic torque tunnel having at least a first magnetic pole tunnel segment and a second magnetic pole tunnel segment, each of the rotor assemblies having a plurality of flux shaping Halbach Arrays configured to focus the Flux Density Distribution in the magnetic torque tunnel and a stator having a plurality of coils configured to form a coil winding assembly, the coil winding assembly positioned within the magnetic torque tunnel, such that at least one of the plurality of coils is surrounded by the first magnetic pole tunnel segment or the second magnetic pole tunnel segment, alternatively the rotor may be the coil winding assembly and the stator may be the magnetic torque tunnel.

MULTI-TUNNEL ELECTRIC MACHINE

Disclosed are various embodiments for an electric machine where the stator is a coil assembly and the rotor is a magnetic toroidal cylindrical tunnel or where the rotor is a coil assembly and the stator is a magnetic toroidal cylindrical tunnel. 1. A rotary electric machine comprising: [ a first magnetic outer wall;', 'a first magnetic inner wall;', 'a first side magnetic wall;', 'a first side opposing magnetic wall;', 'wherein each magnetic tunnel segment of the first plurality of magnetic tunnel segment has an NNNN magnetic polarity configuration;, 'a first plurality of magnetic tunnel segments, wherein each magnetic tunnel segment of the first plurality of magnetic tunnel comprises, a second magnetic outer wall;', 'a second magnetic inner wall;', 'a second side magnetic wall;', 'a second side opposing magnetic wall;', 'wherein each magnetic tunnel segment of the second plurality of magnetic tunnel segment has a SSSS magnetic polarity configuration;, 'a second plurality of magnetic tunnel segments, wherein each magnetic tunnel segment of the second plurality of magnetic tunnel segments is interspersed between individual tunnel segments of the first plurality of tunnel segments and each magnetic tunnel segment of the second plurality of tunnel segments comprises], 'a magnetic toroidal cylinder radially arranged about an axial axis to form a circular path, the magnetic toroidal cylinder comprising a circular yoke;', 'a plurality of coil modules radially positioned about the axial axis and wherein a portion of the coil goes through an aperture defined in each coil module, wherein each coil module comprises;', 'at least one coil winding,', 'a PCB module positioned radially adjacent to an inside face of the coil winding and is electrically coupled to the coil winding and having a PCB connector for electrically connecting the coil to a controller or a PCB power module,', 'at least one stator pole positioned on the yoke adjacent to the coil winding wherein the stator ...

ELECTRIC FLUID PUMP

An electric fluid pump may include a pump housing and an electric motor arranged in the pump housing. A rotor of the electric motor may have a rotor shaft and may be mounted in a stator of the electric motor so as to be rotatable about an axis of rotation. The pump housing may be divided into a dry region and a wet region in which the rotor may be disposed. The dry region and the wet region may be separated by a stator support piece which may at least regionally enclose the stator. 1. An electric fluid pump comprising:a pump housing; andan electric motor arranged in the pump housing;{'b': '5', 'wherein a rotor of the electric motor has a rotor shaft () and is mounted in a stator of the electric motor so as to be rotatable about an axis of rotation;'}wherein the pump housing is divided into a dry region and a wet region in which the rotor is disposed;wherein the dry region and the wet region are separated by a stator support piece which at least regionally encloses the stator.2. The fluid pump according to claim 1 , wherein the stator support piece is a plastic body into which the stator is at least regionally embedded.3. The fluid pump according to claim 2 , wherein at least one of:the plastic body is produced from a thermally conductive plastic; andthe plastic body has a protective layer on an inner surface facing towards the rotor.4. The fluid pump according to claim 3 , wherein at least one of:the plastic body is produced from the thermally conductive plastic via a first single-stage or multi-stage plastics overmoulding process; andthe protective layer is produced from a fluid-resistant plastic via a second plastics overmoulding process.5. The fluid pump according to claim 3 , wherein at least one of:{'sup': '10', 'the thermally conductive plastic of the plastic body has a specific volume resistance of greater than 10Ω*m and a thermal conductivity of greater than 6 W/(m*K); and'}a fluid-resistant plastic from which the protective layer is produced has a thermal ...

Rotor for a Synchronous Machine

A rotor for a synchronous machine of a motor vehicle includes an excitation coil configured to generate a magnetic field necessary for rotation of the rotor in a stator of the synchronous machine. The rotor also includes a supply circuit, to which energy is fed contactlessly such that the supply circuit supplies the excitation coil with the energy. The rotor also includes a demagnetization circuit configured to demagnetize the excitation coil, which, upon collapse of the energy supply of the excitation coil, diverts a current flowing through the excitation coil into a circuit branch in which at least one component for demagnetization is arranged, wherein the at least one component is also configured to perform a protection function to protect the supply circuit against an induced voltage generated at the excitation coil. 1. A rotor for a synchronous machine of a motor vehicle , wherein the rotor comprises:an excitation coil configured to generate a magnetic field necessary for rotation of the rotor in a stator of the synchronous machine;a supply circuit, to which energy is fed contactlessly such that the supply circuit supplies the excitation coil with the energy; anda demagnetization circuit configured to demagnetize the excitation coil, which, upon collapse of the energy supply of the excitation coil, diverts a current flowing through the excitation coil into a circuit branch in which at least one component for demagnetization is arranged,whereinthe at least one component is also configured to perform a protection function to protect the supply circuit against an induced voltage generated at the excitation coil.2. The rotor as claimed in claim 1 , whereinthe at least one component performs the protection function to protect the supply circuit against the induced voltage during a supply of energy to the excitation coil by the supply circuit and also upon or after a collapse of the supply of energy to the excitation coil by the supply circuit.3. The rotor as claimed ...

ELECTRONICS OF AN ELECTRIC MOTOR OF A MOTOR VEHICLE

The disclosure relates to electronics of an electric motor of a motor vehicle, having a connection unit that is placed in electrical contact with a circuit board and attached thereto. The connection unit has a number of leadframes that are stabilized with respect to one another. The connection unit at least partly forms a connector socket for a mating connector, and the connection unit at least partly forms a contact point for an electromagnet of the electric motor. 1. A brushless electric motor of a motor vehicle , comprising:a connection unit that is in electrical contact with a circuit board and attached thereto, wherein the circuit board includes a number of leadframes that are stabilized with respect to one another, wherein the connection unit at least partly forms a connector socket for a mating connector, and wherein the connection unit at least partly forms a contact point for an electromagnet of the electric motor.2. The brushless motor vehicle of claim 1 ,wherein at least part of the connector socket and at least part of the contact point are formed with a common one of the leadframes.3. The brushless electric motor of claim 1 ,wherein the leadframes are at least partly encapsulated with a thermoplastic.4. The brushless electric motor of claim 1 ,wherein the brushless electric motor includes a covering that is produced from a thermoset and that completely surrounds the circuit board and at least partly surrounds the connection unit.5. The brushless motor of claim 1 ,wherein the brushless motor includes a heat sink in thermal contact with the circuit board.6. The brushless motor of claim 1 ,wherein the connection unit is soldered to and pressed on the circuit board.7. The brushless motor of claim 1 ,wherein an electrical or electronic component is placed in direct electrical contact with at least one of the leadframes.8. The brushless motor of claim 1 , wherein the brushless motor includes an electromagnet that is energized in response to electronics.9. An ...

Fan motor

Disclosed herein is a fan motor including: a first bracket having a central portion through which a rotary shaft penetrates, the first bracket having an upper bearing insertion space which is formed in the first bracket and to which an upper bearing for supporting the upper end portion of the rotary shaft is inserted; a second bracket having an upper side to which the first bracket is connected, the second bracket having a lower bearing insertion space which is formed at the central portion of the lower side thereof and to which a lower bearing for supporting the lower end portion of the rotary shaft is inserted; a printed circuit board inserted and fixed into a PCB insertion space formed in the lower side of the second bracket; and a third bracket having an upper side to which the second bracket is connected.

APPARATUS FOR A MOTOR WITH OSCILLATING MAGNET

An apparatus is disclosed. The apparatus may include a pulse device that may include a magnet. The pulse device may be configured to move the magnet in a reciprocating motion. The apparatus may include a magnet wheel that may include a magnet. A magnetic field produced by the magnet of the pulse device may repulse the magnet of the magnet wheel and turn the magnet wheel. The apparatus may include an axle connected to the magnet wheel. The axle may rotate in response to the magnet wheel turning. A system and method are also disclosed. 1. An apparatus comprising:a pulse device comprising a magnet, wherein the pulse device is configured to move the magnet in a reciprocating motion;a magnet wheel comprising a magnet, wherein a magnetic field produced by the magnet of the pulse device repulses the magnet of the magnet wheel and turns the magnet wheel; andan axle connected to the magnet wheel that rotates in response to the magnet wheel turning.2. The apparatus of claim 1 , wherein the pulse device further comprises:an oscillator;a shaft coupled to the oscillator; anda lever comprising a first end and a second end, wherein the first end couples to the shaft and the second end couples to the magnet of the pulse device.3. The apparatus of claim 1 , wherein the magnet of the magnet wheel comprises a shield that covers a portion of a surface of the magnet.4. The apparatus of claim 1 , wherein a magnetic field produced by the magnet of the pulse device repulses the magnet of the magnet wheel in response to the magnet of the pulse device moving into a proximity of the magnet of the magnet wheel.5. The apparatus of claim 1 , further comprising a sensor device comprising:a trigger wheel connected to the axle, wherein the trigger wheel comprises a magnet disposed a surface of the trigger wheel; anda sensor plate comprising a sensor that detects a proximity of a magnet of the trigger wheel.6. The apparatus of claim 5 , further comprising a timing control connected to the sensor ...

SYSTEM AND APPARATUS FOR AXIAL FIELD ROTARY ENERGY DEVICE

An axial field rotary energy device can include a housing having an axis with an axial direction. A stator assembly can include a plurality of stator panels that are discrete panels from each other. The stators panels can be mechanically and stationarily coupled to the housing. Each stator panel can include a printed circuit board (PCB) having coils that are electrically conductive, each stator panel consists of a single electrical phase. In addition, rotors can be rotatably mounted within the housing on opposite axial ends of the stator assembly. The rotors can be mechanically coupled together with a rotor spacer. Each rotor can include magnets. In addition, in one version, no rotor is disposed between axially adjacent ones of the stator panels. 120.-. (canceled)21. An axial field rotary energy device , comprising:a housing having an axis with an axial direction;rotors rotatably and coaxially mounted within the housing, and each rotor comprises magnets; anda stator assembly comprising a printed circuit board (PCB) coaxially mounted between the rotors, the PCB has a plurality of coils that are electrically conductive and interconnected within the PCB, each coil comprises a conductor material, an inner diameter portion, an outer diameter portion and radial portions extending between the inner and outer diameter portions, and at least some of the coils have a higher density of conductor material adjacent the inner and outer diameter portions compared to the radial portions.22. The device of claim 21 , wherein the radial portions of the at least some of the coils are further spread apart than the inner and outer diameter portions thereof.23. The device of claim 21 , wherein the conductor material comprises copper.24. An axial field rotary energy device comprising:a rotor comprising an axis of rotation and magnets;a stator coaxial with the rotor, the stator comprising a printed circuit board (PCB) having a plurality of PCB layers that are spaced apart in an axial ...

ROTATING ELECTRIC MACHINE

The rotating electric machine is provided with an inner ring fixed to a rotating shaft, an outer ring fixed to a base portion having a diameter larger than that of the inner ring, and a bearing that supports the rotating shaft. The base portion is provided with an insertion hole formed larger than the outer diameter of the outer ring, and the insertion hole accepting the rotating shaft penetrating therethrough. The outer ring is provided with an outer ring side flange portion protruding radially outside and being engaged with the base portion in the axial direction and fixed thereto. The outer ring side flange portion is provided in plural number in a circumferential direction at predetermined intervals. In the insertion hole, groove portions recessed radially outside at predetermined intervals in the circumferential direction is provided to fit with a shape of the outer ring side flange portion. 2. The rotating electric machine according to claim 1 , whereinthe rotor is provided with a rotor carrier having a cup shape to which the magnet unit is attached, the rotor carrier rotating with the rotating shaft;the rotor carrier is rotatably fixed to the base portion via the bearing such that the stator to be fixed to the base portion is accommodated therein;{'b': '801', 'i': 'a', 'the inner ring is provided with an inner ring side flange portion () protruding radially outside, the inner ring side flange portion coming into contact with an inner side bottom surface of the rotor carrier; and'}the inner ring side flange portion is provided corresponding to shapes of the insertion hole and the groove portion such that the inner ring is capable of passing through the insertion hole.3. A rotating electric machine provided with a field magnet having a magnet unit including a plurality of magnetic poles having alternating polarities in a circumferential direction claim 1 , and an armature having a multi-phase armature winding claim 1 , a base portion to which the stator is ...

MOTOR AND ELECTRIC POWER STEERING DEVICE

An aspect of a motor of the invention includes a rotor having a shaft, a stator, a bearing supporting the shaft, a cylindrical motor housing holding the stator and opening to one side, a bearing holder positioned on one side of the stator and holding the bearing, a control circuit board positioned on one side of the bearing holder, a rotation sensor attached to the control circuit board, a control circuit board housing positioned on one side of the motor housing and housing the control circuit board, a sensor magnet positioned closer to one side than the bearing and attached to the shaft, and a nonmagnetic contamination cover at least a part of which is positioned between the control circuit board and the bearing holder in the axial direction and which covers one side of the shaft, the bearing, and the sensor magnet. 1. A motor comprising:a rotor which has a shaft centered on a center axis extending in an axial direction, a rotor core fixed to the shaft, and a rotor magnet fixed to the rotor core;a stator surrounding an outside of the rotor in a radial direction;a bearing positioned one side of the stator in the axial direction and supporting the shaft;a cylindrical motor housing holding the stator and opening to the one side;a bearing holder positioned on the one side of the stator and holding the bearing;a control circuit board positioned on the one side of the bearing holder;a rotation sensor attached to the control circuit board;a control circuit board housing positioned on the one side of the motor housing and housing the control circuit board;a sensor magnet positioned closer to the one side than the bearing and attached to the shaft; anda nonmagnetic contamination cover at least a part of which is positioned between the control circuit board and the bearing holder in the axial direction and which covers the one side of the shaft, the bearing, and the sensor magnet.2. The motor according to claim 1 ,wherein the stator includes a stator core and a coil exciting ...

Electronic device and robot controller

An electronic device includes: a first board configured as a printed circuit board having an electronic circuit component mounted thereon; a second board configured as a printed circuit board having an electronic circuit component mounted thereon; a board-to-board connector configured to electrically connect the first board and the second board, the board-to-board connector including a first terminal on the first board and a second terminal on the second board, the second terminal being configured to be connected to the first terminal; and a grip member on the second board.

BLOWER DEVICE

A blower device includes: a motor; a fan rotated by the motor; a printed circuit board electrically connected to the motor; an electronic part electrically connected to the printed circuit board; a first case, the motor and the fan being positioned in one side with respect to the first case, the printed circuit board and the electronic part being positioned in another side with respect to the first case; a holder holding the electronic part such that the electronic part is spaced apart from the printed circuit board and is in thermal contact with the first case; and a second case fixed in the other side with respect to the first case and covering the printed circuit board, the electronic part, and the holder. 1. A blower device comprising:a motor;a fan rotated by the motor;a printed circuit board electrically connected to the motor;an electronic part electrically connected to the printed circuit board;a first case, the motor and the fan being positioned in one side with respect to the first case, the printed circuit board and the electronic part being positioned in another side with respect to the first case;a holder holding the electronic part such that the electronic part is spaced apart from the printed circuit board and is in thermal contact with the first case; anda second case fixed in the other side with respect to the first case and covering the printed circuit board, the electronic part, and the holder.2. The blower device of claim 1 , further comprising a terminal pin electrically connected to the electronic part and the printed circuit board claim 1 , fixed to the printed circuit board claim 1 , and assembled into the holder so as to support the holder.3. The blower device of claim 1 , further comprising a heat transfer member interposed between the first case and the electronic part and transmitting heat from the electronic part to the first case.4. The blower device of claim 1 , whereinthe electronic part is in thermal contact with the first case,the ...

Compact integrated-drive pumps

Pump assemblies are disclosed that have a magnetically driven pump-head subassembly and a pump-driver subassembly coupled thereto, wherein the pump-driver subassembly includes a pump-driver enclosure. The pump-head subassembly comprises a rotatable magnet contained in a magnet cup extending into the pump-driver enclosure. The pump-driver subassembly has a printed circuit board (PCB) in the pump-driver enclosure and a stator mounted to the PCB. The stator coaxially surrounds the magnet cup. The magnet cup has a distal-end wall. The printed circuit board includes a stator-driving circuit and at least one signal-processing circuit. The PCB defines a void relative to the distal-end wall that exposes at least half the distal-end wall. The pump-driver enclosure has an aspect ratio of no greater than one (unity).

MICRO FAN

A micro fan is provided. The micro fan includes a rotor and a stator. The stator includes a plurality of axial induced coil units and a circuit board. The axial induced coil units are respectively preformed as a plurality of stator magnetic pole units, and are coupled to the circuit board. At least one of the coil units includes a coil and insulation material. The insulation material is block-shaped and covers at least a portion of the coil, and the central axis of the coil is parallel to the shaft of the rotor. 1. A micro fan , comprising:a rotor; anda stator, comprising a plurality of axial induced coil units and a circuit board, wherein the axial induced coil units are respectively preformed as a plurality of stator magnetic pole units, and are coupled to the circuit board, forming the coil;', 'putting the coil on a lead frame;', 'covering the coil and a portion of the lead frame with the non-magnetically-conductive material; and', 'cutting off the lead frame., 'wherein at least one of the axial induced coil units comprises a coil and an non-magnetically-conductive material, the non-magnetically-conductive material is block-shaped and covers at least a portion of the coil, a central axis of coil is parallel to a shaft of the rotor, wherein at least one of the axial induced coil units is made by the following steps2. The micro fan as claimed in claim 1 , wherein at least one pin of at least one of the axial induced coil units is formed by the lead frame.3. The micro fan as claimed in claim 1 , wherein at least one of the axial induced coil units is coupled to the circuit board by surface mount technology.4. The micro fan as claimed in claim 1 , wherein at least one of the axial induced coil units is made by the following steps:forming the coil;covering the coil with the non-magnetically-conductive material, wherein two ends of the coil are exposed.5. The micro fan as claimed in claim 1 , wherein at least one of the axial induced coil units is made by the following ...

MOTOR INTEGRATED WITH CONTROL UNIT AND WATER PUMP HAVING THE SAME

Provided are a motor integrated with a control unit, in which a motor unit and the control unit are efficiently cooled by allowing heat generated from the motor unit to be radiated from the motor unit, and heat generated from the control unit including a control board to be radiated from the control unit, respectively, and a water pump having the same. 1. A motor integrated with a control unit comprising:a motor unit including a stator, a motor housing having the stator disposed therein and fixed thereto and a rotor rotatably disposed in the stator in a radial direction;a control unit housing coupled to a bottom portion of the motor housing and having a central portion vertically open to form an empty space;a control board disposed in the control unit housing and fixed thereto, and having a first contact portion formed on a bottom surface thereof; anda control unit cover having a second contact portion formed on a top surface thereof and a heat sink formed on a bottom surface thereof and exposed to the outside, the second contact portion and the heat sink being connected to each other by a connecting portion, and coupled to a bottom portion of the control unit housing, thereby allowing the second contact portion to be in contact with the first contact portion of the control board.2. The motor integrated with a control unit of claim 1 , wherein the control unit housing has a protrusion protruding from an inner circumferential surface thereof claim 1 , and the control board is supported and fixed to a bottom end of the protrusion.3. The motor integrated with a control unit of claim 2 , wherein the control unit housing has a first connector pin protruding upward from a top surface of the protrusion and a second connector pin protruding downward from a bottom surface of the protrusion claim 2 , the first connector pin and the second connector pin being connected to each other claim 2 ,the motor unit has terminals connected to coils of the stator and drawn out of the ...

MOTOR CONTROL CENTER UNIT WITH RETRACTABLE STAB ASSEMBLY AND METHODS FOR USING THE SAME

Embodiments of a motor control unit for a motor control center and methods for servicing the same are provided. The motor control unit comprises a housing for enclosing one or more electrical components therein. The housing includes a retractable stab assembly and a lead screw assembly operably coupled thereto for extending and retracting one or more stabs for controlling the flow of power to the one or more electrical components. 1. A motor control unit for a motor control center comprising: 'a first panel comprising: a switch assembly comprising a switch for controlling power flow to one or more components enclosed in the housing, and', 'a housing comprising an second panel comprising: a bracket operably coupled to the switch assembly and including: a restrictor piece adapted to restrict movement of the motor control unit from the motor control center when the switch is in a first position, and an access shield adapted to limit access to one or more internal components enclosed in the housing when the switch is in the first position;', 'a third panel operably coupled to a stab assembly, the stab assembly comprising: a stab housing comprising one or more slots adapted to selectively attach one or more stabs thereto, a lead screw bracket comprising: a mounting plate operably coupled to the stab housing; a first bracket comprising: a first portion comprising a lead screw opening, and a second portion coupled to the mounting plate; a pair of guide rail brackets, each comprising: one or more guide rails extending rearwardly therefrom and at least partially disposed between one or more openings in the mounting plate for slideably engaging the mounting plate along the one or more guide rails; and a lead screw assembly comprising: a lead screw at least partially disposed between the lead screw opening, a first stopper operably engaged to the lead screw and coupled to the first portion for operably shifting the first stopper along an axis of the lead screw when the lead ...

BLOWER DEVICE

A blower device includes: a fan; a motor rotating the fan, and including: a stator; a coil; a housing supporting the stator; and a cover covering the stator and the coil; a case housing a printed circuit board electrically connected to the coil; a first elastic body; and a second elastic body. 1. A blower device comprising:a fan;a motor rotating the fan, and including: a stator; a coil; a housing supporting the stator; and a cover covering the stator and the coil;a case housing a printed circuit board electrically connected to the coil;a first elastic body; anda second elastic body,wherein a cylindrical portion supporting the stator at an outside of the cylindrical portion; and', 'a flange portion facing the cover, a diameter of the flange portion being greater than that of the cylindrical portion,, 'the housing includesthe case includes a peripheral wall portion,the peripheral wall portion defines a periphery of an opening receiving the housing such that the flange portion is positioned inside the case and that the cylindrical portion is positioned outside the case,the peripheral wall portion is positioned between the cover and the flange portion,the first elastic body is sandwiched between the cover and one surface of the peripheral wall portion, is compressed in an axial direction of the motor, and is formed into an annular shape,the second elastic body is sandwiched between the cover and the flange portion and between the flange portion and another surface of the peripheral wall portion, is compressed in the axial direction, and is formed into an annular shape,an outer diameter of the second elastic body is smaller than that of the first elastic body.2. The blower device of claim 1 , whereinthe first elastic body includes an outer circumferential wall portion, andthe outer circumferential wall portion is in contact with an outer peripheral edge of the cover.3. The blower device of claim 1 , whereinthe first elastic body includes protruding portions, andthe ...

SEGMENTED ELECTRICAL MACHINE

An electrical machine has a variable reluctance rotor, and a stator formed as an annular array of stator segments. The reluctance of the rotor-to-stator magnetic flux path varies with rotor position whereby the stator segments are magnetically energizable to rotate the rotor. The stator segments are arranged in the array such that, when energized to rotate the rotor, they produce an unbalanced force on the rotor. The machine further has a compensator including one or more balancing segments which are configured to be magnetically energizable to produce a balancing force on the rotor which balances the unbalanced force. The reluctance of the rotor-to-compensator magnetic flux path is substantially invariant with rotor position. 1. An electrical machine having:a variable reluctance rotor, anda stator formed as an annular array of stator segments, the reluctance of the rotor-to-stator magnetic flux path varying with rotor position whereby the stator segments are magnetically energizable to rotate the rotor;wherein:the stator segments are arranged in the array such that, when energized to rotate the rotor, they produce an unbalanced force on the rotor; andthe machine further has a compensator including one or more balancing segments which are configured to be magnetically energizable to produce a balancing force on the rotor which balances the unbalanced force, the reluctance of the rotor-to-compensator magnetic flux path being substantially invariant with rotor position.2. An electrical machine according to claim 1 , wherein the unbalanced force is radial or includes a radial component.3. An electrical machine according to claim 1 , wherein the unbalanced force is axial or includes an axial component.4. An electrical machine according to claim 1 , wherein the stator segments are non-axisymmetrically distributed in the annular array.5. An electrical machine according to claim 1 , wherein the claim 1 , or each claim 1 , balancing segment has a core structure and a ...

GENERATOR ASSEMBLY AND BEARING EQUIPPED WITH THE SAME

The invention relates to a generator assembly for harvesting energy in a bearing arrangement having a first ring and a second ring. The generator assembly includes a plurality of coils attached to the first ring and configured to interact with a magnet ring with alternating magnetization directions attached to the second ring. In order to provide a versatile power supply for electric and electronic external devices in machine applications, it is proposed to provide the generator assembly with a plug connector for supplying power generated by the generator assembly to external devices. 1. A generator assembly for harvesting energy in a bearing arrangement having a first ring and a second ring , the generator assembly comprising:a plurality of coils attached to the first ring and configured to interact with a magnet ring with alternating magnetization directions attached to the second ring, anda plug connector for supplying power generated by the generator assembly to external devices.2. The generator assembly according to claim 1 , wherein a first portion of the generator assembly is arranged on a first axial side of the bearing and a second portion of the generator assembly is arranged on a second axial side of the bearing opposite to the first axial side claim 1 , wherein the generator assembly further includes a conductor for connecting the first portion of the generator assembly with the second portion of the generator assembly.3. The generator assembly according to claim 2 , wherein one of the bearing rings is provided with a groove claim 2 , and wherein the groove accommodates the conductor.4. The generator assembly according to claim 3 , wherein the first ring is an outer ring of the bearing claim 3 , and wherein the groove is formed on an outer circumference of the first ring and is helicoidally shaped.5. The generator assembly according to claim 4 , wherein a helix angle of the groove is 45° or more.6. The generator assembly according to claim 2 , wherein ...

ELECTRIC MOTOR CONNECTIONS FOR POWER TOOLS

In at least one illustrative embodiment, a power tool may comprise an electric motor comprising a rotor configured to rotate about an axis, a stator assembly including at least three windings arranged around the rotor, and at least three lugs affixed to the stator assembly, where each of the lugs is electrically coupled to one or more of the windings. The lugs may all be arranged to one side of a plane that passes through the axis. The power tool may further comprise at least three electrical wires, where each of the electrical wires is removably coupled to one of the lugs, and a control circuit configured to supply electrical power to the windings, via the electrical wires and the lugs, to drive rotation of the rotor about the axis. 1an electric motor comprising a rotor configured to rotate about an axis, a stator assembly disposed around the rotor, and at least one lug affixed to the stator assembly, wherein the at least one lug is electrically coupled to a winding on the stator;at least one electrical wire removably coupled to the at least one lug;wherein the at least one lug includes an inner peripheral wall that defines an opening that extends into the lug; andat least one ferrule;wherein the at least one electrical wire extends into the at least one ferrule; andwherein the at least one ferrule extends into the opening of the lug and engages the inner peripheral wall of the opening to removably couple the at least one electrical wire to the at least one lug.. A power tool comprising: This Application is a Continuation Patent Application of U.S. patent application Ser. No. 15/995,644, entitled “Electric Motor Connections for Power Tools,” filed on Jun. 1, 2018, which is a continuation of and also claims benefit of U.S. patent application Ser. No. 14/742,527, entitled “Electric Motor Connections for Power Tools,” filed on Jun. 17, 2015; this Application also claims the benefit of U.S. Provisional Patent Application No. 62/019,863, filed Jul. 1, 2014 and entitled ...

Electric Motor, Generator and Battery Combination

To accomplish the invention, each individual stator pole winding has its own voltage and amperage matched battery, capacitor or storage device pack or packs and winding system controller or controllers which are signaled for operations and timing for the operation of all the similar other windings in the whole Electric Motor, Generator and battery combination without the necessity of wired interconnection of whole Electric Motor, Generator and battery combination winding electrical power in order to accomplish Electric Motor, Generator and battery combination functions.

ELECTRICAL SYSTEM WITH CLOSED COMPARTMENT FOR PREVENTING ACCESS TO AN ELECTRICAL CONDUCTOR EXTENDING IN THE COMPARTMENT AND METHODS FOR ALLOWING AND PREVENTING ACCESS TO AN ELECTRICAL CONDUCTOR

The electrical system comprises a cover () for closing the compartment () defined in a housing (). The electrical system further comprises a removable element () configured to be mounted proximate to the housing (), and a mobile hook () attached to one amongst the cover () and the housing (), and configured to take an engaged position with the other amongst the cover () and the housing () and a disengaged position from the other from the cover () and the housing (), wherein the removable element (), when mounted proximate to the housing (), is configured to cooperate with the mobile hook () to prevent the cover () from being separated from the housing (), thereby preventing an opening of the compartment ().

Brushless dc motor fan

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

MAGNETIC THRUST LOAD SUPPORT FOR DOWNHOLE-TYPE SYSTEM

A downhole-type system includes a rotatable shaft; a sensor that can sense an axial position of the shaft and generate a first signal corresponding to the axial position of the shaft; a controller coupled to the sensor, in which the controller can receive the first signal generated by the sensor, determine an amount of axial force to apply to the shaft to maintain a target axial position of the shaft, and transmit a second signal corresponding to the determined amount of axial force; and multiple magnetic thrust bearings coupled to the shaft and the controller, in which each magnetic thrust bearing can receive the second signal from the controller and modify a load, corresponding to the second signal, on the shaft to maintain the target axial position of the shaft. 1. A downhole-type system comprising:a shaft; sense an axial position of the shaft, and', 'generate a first signal corresponding to the axial position of the shaft;, 'a sensor configured to receive the first signal generated by the sensor,', 'determine an amount of axial force to apply to the shaft to maintain a target axial position of the shaft, and', 'transmit a second signal corresponding to the determined amount of axial force; and, 'a controller coupled to the sensor, the controller configured to receive the second signal from the controller, and', 'modify a load, corresponding to the second signal, on the shaft to maintain the target axial position of the shaft., 'a plurality of magnetic thrust bearings coupled to the shaft and the controller, each magnetic thrust bearing configured to2. The system of claim 1 , wherein the plurality of magnetic thrust bearings is sealed from a downhole environment.3. The system of claim 1 , wherein the plurality of magnetic thrust bearings is lubricant-free.4. The system of claim 1 , wherein critical components of the plurality of magnetic thrust bearings are sealed from a downhole environment.5. The system of claim 1 , wherein the load is transmitted on the shaft ...

Resin Sealing Device and Resin Sealing Method for Manufacturing Magnet Embedded Core

A magnet embedded core is manufactured in a stable manner by preventing an excessive pressurizing force from being applied to the laminated iron core and performing the clamping with an appropriate pressurizing force so that the leakage of the resin out of the magnet insertion holes can be minimized, and the reduction in the geometric and dimensional precision of the laminated iron core may be suppressed. An electric die clamping device is used, such that a laminated iron core is placed on one of a fixed die and a moveable die and upon clamping by the die clamping device, the other of the fixed die and the moveable die is caused to abut onto an end surface of the laminated iron core to close openings of magnet insertion holes and pressurize the laminated iron core in a laminating direction. 1. A resin sealing device for manufacturing a magnet embedded core including a laminated iron core having magnet insertion holes formed therein , each magnet insertion hole being provided with an opening at least at one of end surfaces of the laminated iron core , and a magnet piece inserted in each magnet insertion hole and sealed by resin charged into the magnet insertion hole , the resin sealing device comprising:a fixed platen;a moveable platen placed opposite to the fixed platen so as to be moveable in a direction toward and away from the fixed platen;a die clamping device configured to drive the moveable platen in the direction toward and away from the fixed platen;a fixed die attached to the fixed platen; anda moveable die attached to the moveable platen,wherein one of the fixed die and the moveable die is configured to place the laminated iron core thereon, and the other of the fixed die and the moveable die is configured to abut onto the end surface of the laminated iron core upon clamping by the die clamping device to close the openings of the magnet insertion holes and pressurize the laminated iron core in a laminating direction,the die clamping device comprising at ...

WIRING BOARD UNIT FOR DISK DEVICES, ACTUATOR ASSEMBLY FOR DISK DEVICES AND DISK DEVICE COMPRISING THE SAME

According to one embodiment, a wiring board unit includes a reinforcing board, a flexible printed circuit board includes a joint portion including a first plane and a second plane and attached on the reinforcing board, a relay unit extending from the first plane, a plurality of connection pad groups located on one of the first plane and the second plane and a first IC chip mounted on the first plane, and the joint portion is bent on a boundary between the first plane and the second plane. 1. A wiring board unit comprising:a board;a flexible printed circuit board comprising a joint portion attached on the board, the joint portion comprising a first plane and a second plane, a relay unit extending from the first plane, and a plurality of connection pad groups located on one of the first plane and the second plane; anda first IC chip mounted on the first plane, whereinthe joint portion being bent on a boundary between the first plane and the second plane.2. The wiring board unit of claim 1 , further comprising:a second IC chip mounted on the second plane,whereinthe relay unit extending from the joint portion in a direction along the boundary, andthe connection pad groups are located on an opposite side to the relay unit and provided on the first plane.3. The wiring board unit of claim 1 , further comprising:a second IC chip mounted on the second plane,whereinthe relay unit extending in a direction which intersects the boundary, andthe connection pad groups are located between the first IC chip and the boundary in the first plane.4. The wiring board unit of claim 1 , whereinthe relay unit extends from the joint portion in a direction along the boundary, andthe connection pad groups are located in the second plane.5. The wiring board unit of claim 1 , whereinthe second plane is folded back along the boundary and overlaid on the first plane, andthe board of a single layer is located between the first plane and the second plane.6. The wiring board unit of claim 1 , ...

Electric linear motion actuator

The linear motion mechanism and the electric motor are arranged in the axial direction with a rotary input-output shaft of the linear motion mechanism interposed therebetween. In the electric motor, orientation of a magnetic pole generating interlinkage flux is parallel with a rotation shaft of the motor. The linear motion mechanism has a thrust bearing for retaining a reaction force against a load in the axial direction in association with linear motion of the linear motion part. The control unit has a thrust force applying section for applying a thrust force such that a force acting in the axial direction of the rotary input-output shaft due to interlinkage flux between the stator and the rotor causes generation of a force, in the axial direction, acting on the thrust bearing.

COOL ACTUATOR

What is disclosed is an actuator that can include a linear or cylindrical actuator. The actuator utilizes two or more groups of magnets, at least one magnet group traveling inside the coil assembly magnetically coupled to at least one magnet group traveling parallel and outside the coil assembly. Contiguous leading and trailing coils are sequentially activated in tandem with the advancing magnet groups in order to continuously optimize electromotive force. 1. An actuator , said actuator comprising:a first magnet group;a first electric coil assembly, wherein said first electric coil assembly comprises a first electric coil and a second electric coil, wherein said first electric coil and said second electric coil are configured for providing a variable magnetic field generated by electricity passing through said coils, wherein said first electric coil and said second electric coil are adjacent and are configured for opposite current flow, wherein said first electric coil assembly is configured to provide a continuous first tunnel in which first magnet group is configured to travel;a second magnet group, wherein said first magnet group and said second magnet group are magnetically coupled so as to complete a magnetic circuit, wherein said first magnet group and said second magnet group are in a generally parallel orientation having a gap between said first magnet group and said second magnet group, wherein said first magnetic group said second magnetic group are fixably attached such that said first magnet group and said second magnet group configured to travel in parallel as said first magnet group travels in said first tunnel.2. The actuator of claim 1 , wherein said actuator comprises a second electric coil assembly claim 1 , wherein said second electric coil group comprises a first electric coil and a second electric coil claim 1 , wherein said first electric coil and said second electric coil of said second electric coil assembly are adjacent and are configured ...

Hybrid Axle Assembly For A Motor Vehicle

An axle assembly for an electric or hybrid vehicle includes electrically powered drive motors for respectively driving vehicle wheels. The axle assembly preferably includes a dual motor arrangement, wherein two electric motors are arranged end-to-end. Each motor includes an inverter that is directly connected to its respective motor, and includes a gearbox assembly coupled between an output of the motor and a corresponding constant-velocity (CV) joint operatively connected to a wheel. The inboard ends of the motors are secured to opposite faces of a cooling manifold wherein the cooling manifold maintains the motors in axial alignment. The cooling manifold plate is positioned between an inboard end of each of the motor housings, and the cooling manifold plate axially aligns the first and second motors. Further, each motor drives its respective gearbox assembly, which includes a gear reduction and clutch mechanism having a brake band assembly that is selectively operable to disconnect the respective motor from the vehicle wheel associated therewith. 1. A an electric axle assembly comprising:a motor housing unit having motor housing chambers which are open on at least one side;a pair of electric motors arranged end-to-end within said motor housing chambers respectively and having a cooling manifold plate disposed between inboard ends of said motors, said electric motors being fixedly secured in position on opposite sides of the cooling manifold plate to axially align the electric motors, and wherein the cooling manifold plate encloses said electric motors within said respective motor housing chambers.2. The electric axle assembly according to claim 1 , wherein said motor housing unit comprises first and second motor housings which each define a respective one of said motor housing chambers claim 1 , said manifold plate being sandwiched between inboard ends of said motor housings.3. The electric axle assembly according to claim 2 , wherein said manifold plate is ...

MOTOR UNIT

A motor unit according to an aspect of the present invention includes: a motor having a rotor that rotates about a motor axis and a stator located radially outside the rotor; an inverter that controls a current to be supplied to the motor; a housing body having a motor housing portion that houses the motor and an inverter housing portion that houses the inverter; and an inverter housing configured to cover an opening of the inverter housing portion while supporting the inverter. The housing body is provided with a first cooling path through which a first refrigerant for cooling the motor flows. The inverter housing is provided with a second cooling path through which a second refrigerant for cooling the inverter flows. 1. A motor unit comprising:a motor including a rotor that rotates about a motor axis and a stator located radially outside the rotor;an inverter that controls a current to be supplied to the motor;a housing body having a motor housing portion that houses the motor and an inverter housing portion that houses the inverter; andan inverter housing configured to cover an opening of the inverter housing portion while supporting the inverter,the housing body being provided with a first cooling path through which a first refrigerant for cooling the motor flows,the inverter housing being provided with a second cooling path through which a second refrigerant for cooling the inverter flows.2. The motor unit according to claim 1 , whereinthe first cooling path and the second cooling path are provided independently of each other.3. The motor unit according to claim 1 , whereinthe housing body includes a wall portion that partitions an inside of the inverter housing portion and an inside of the motor housing portion, anda gap is provided between the inverter and the wall portion inside the inverter housing portion.4. The motor unit according to claim 1 , whereinthe first cooling path includes a shielding flow passage through which the first refrigerant flows along ...

MOTOR AND MOTOR MANUFACTURING METHOD

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

COMPACT SERVO

A servo includes a housing, a motor, a printed circuit board (PCB) and a servo output shaft that are accommodated within the housing. The motor is electrically connected to the PCB. The housing has a lateral side defining a cutout. The servo further includes a gear transmission mechanism and an output arm. The gear transmission mechanism is used to connect a motor output shaft of the motor to the servo output shaft. The output arm has an end that is arranged within the housing at a substantially central position and connected to the servo output shaft, and another end extending out of the housing to connect with an external component. 1. A servo comprising:a housing comprising a lateral side defining a cutout at a substantially central portion of the lateral side;a motor, a printed circuit board (PCB) and a servo output shaft that are accommodated within the housing, the motor being electrically connected to the PCB, the motor comprising a motor output shaft, the lateral side being substantially parallel to the servo output shaft;a gear transmission mechanism configured to connect the motor output shaft to the servo output shaft; andan output arm comprising an end that is arranged within the housing through the cutout and connected to the servo output shaft, and another end extending out of the housing to connect with an external component.2. The servo of claim 1 , wherein the output arm is rotatable about an axis claim 1 , and the axis is either same as the servo output shaft claim 1 , or parallel to the servo output shaft.3. The servo of claim 2 , further comprising a fastening member claim 2 , wherein the end of the output arm defines a through hole that allows the servo output shaft to pass therethrough claim 2 , and a locking hole intersecting the through hole claim 2 , and the fastening member is received in the locking hole to fix the output arm to the servo output shaft.4. The servo of claim 2 , wherein the output arm defines a mounting hole in a distal end ...

Brushless servo

A brushless servo includes a housing, a motor, a printed circuit board (PCB), a servo output shaft and a gear transmission mechanism that are accommodated within the housing. The motor includes a motor output shaft that is arranged in parallel with the servo output shaft. The gear transmission mechanism includes a number of gearsets that connect the motor output shaft to the servo output shaft. Each gearset has a gear and a pinion that is smaller than the gear, and each of a first one of the gearsets and a last one of the gearsets is arranged in a manner that the gear is below the pinion thereof. Each of the rest of the gearsets is arranged in a manner that the gear is above the pinion thereof.

MOTOR CONTROLLER ASSEMBLY WITH CONTAINMENT SYSTEM FOR CAPACITOR

A motor controller assembly is configured for use with an electric motor and includes a controller and an absorbent pad. The controller includes a capacitor with a capacitor shell and a liquid electrolyte contained therein. The capacitor shell has a frangible rupture area that opens during a capacitor rupture event to permit the discharge of liquid electrolyte from the capacitor shell. The absorbent pad overlies the rupture area to collect discharged liquid electrolyte. 1. A motor controller assembly for an electric motor , said motor controller assembly comprising:a controller,said controller including a capacitor with a capacitor shell and a liquid electrolyte contained therein,said capacitor shell having a frangible rupture area that opens during a capacitor rupture event to permit the discharge of liquid electrolyte from the capacitor shell; andan absorbent pad overlying the rupture area to collect discharged liquid electrolyte.2. The motor controller assembly as claimed in claim 1 , further comprising:a capacitor cover being supported relative to the controller and overlying at least the rupture area.3. The motor controller assembly as claimed in claim 2 ,said capacitor cover presenting a socket receiving at least part of the absorbent pad and at least part of the capacitor.4. The motor controller assembly as claimed in claim 3 ,said capacitor cover presenting a vent opening in communication with the socket to permit gas to escape from the socket through the vent opening during the capacitor rupture event.5. The motor controller assembly as claimed in claim 4 ,said absorbent pad covering the vent opening.6. The motor controller assembly as claimed in claim 3 ,said capacitor cover presenting an open face through which the capacitor extends into the socket,said absorbent pad being substantially coextensive with the open face of the capacitor cover.7. The motor controller assembly as claimed in claim 6 ,said capacitor cover including an endwall and a perimetrical ...

MOTOR, MOTOR STATE DETECTION DEVICE, AND MOTOR STATE DETERMINATION DEVICE

A motor includes a rotor having a rotation shaft, a stator arranged oppositely in a circumferential direction of the rotor, and a pair of bearing portions rotatably supporting the rotation shaft, the pair of bearing portions each include a first bearing being rotatable together with the rotation shaft and a second bearing being rotatable together with the first bearing, the first bearing rotates together with the rotation shaft when the first bearing is normal, and the second bearing as well as the first bearing rotates together with the rotation shaft when the first bearing is abnormal. 1. A motor comprising:a rotor having a rotation shaft;a stator arranged oppositely in a circumferential direction of the rotor; anda pair of bearing portions rotatably supporting the rotation shaft, whereinthe pair of bearing portions each comprise:a first bearing being rotatable together with the rotation shaft; anda second bearing being rotatable together with the first bearing, andthe first bearing rotates together with the rotation shaft when the first bearing is normal, and the second bearing as well as the first bearing rotates together with the rotation shaft when the first bearing is abnormal.2. The motor according to claim 1 , whereinthe first bearing comprises a first inner race being rotatable together with the rotation shaft, a first outer race provided on an outer periphery side of the first inner race, and a first rolling element arranged between the first inner race and the first outer race, andthe second bearing comprises a second inner race being rotatable together with the first outer race, a second outer race provided on an outer periphery side of the second inner race, and a second rolling element arranged between the second inner race and the second outer race.3. The motor according to claim 2 , whereinthe second bearing is provided at a position distanced from the first bearing in an axial line direction of the rotation shaft.4. The motor according to claim 2 , ...