EP2556580A2 - Stator et procédé de production d'un stator - Google Patents

Stator et procédé de production d'un stator

Info

Publication number
EP2556580A2
EP2556580A2 EP10728157A EP10728157A EP2556580A2 EP 2556580 A2 EP2556580 A2 EP 2556580A2 EP 10728157 A EP10728157 A EP 10728157A EP 10728157 A EP10728157 A EP 10728157A EP 2556580 A2 EP2556580 A2 EP 2556580A2
Authority
EP
European Patent Office
Prior art keywords
webs
stator
grain
oriented material
web
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10728157A
Other languages
German (de)
English (en)
Inventor
Gerhard Riepl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANTERA Motoren GmbH
Original Assignee
ANTERA Motoren GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ANTERA Motoren GmbH filed Critical ANTERA Motoren GmbH
Publication of EP2556580A2 publication Critical patent/EP2556580A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
    • H02K7/1021—Magnetically influenced friction brakes
    • H02K7/1023—Magnetically influenced friction brakes using electromagnets
    • H02K7/1025—Magnetically influenced friction brakes using electromagnets using axial electromagnets with generally annular air gap
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/24—Electrodynamic brake systems for vehicles in general with additional mechanical or electromagnetic braking
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/02—Details of the magnetic circuit characterised by the magnetic material
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H02K1/148—Sectional cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/34—Wheel chairs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/40—Electrical machine applications
    • B60L2220/44—Wheel Hub motors, i.e. integrated in the wheel hub
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the invention relates to a stator, in particular for an electric motor according to the preamble of claim 1, an electric motor according to the preamble of claim 10 and a method for producing a stator according to the
  • Electric motors and electric generators of the type discussed here have a stator and a rotor arranged coaxially therewith. In operation of a
  • the rotor rotates relative to the fixed stator.
  • the relative movement between the two engine components is usually effected by magnets arranged on the rotor and electromagnets cooperating therewith and provided on the stator.
  • the stator can be provided in the interior of the rotor for realizing an external rotor motor, while the rotor is arranged in the interior of the stator for realizing an internal rotor motor.
  • the rotor also serves as a rim for a wheel of the small vehicle.
  • stator of an electric motor or a generator In order to reduce the material consumption in the production of stators and to be able to use simpler winding techniques for the production of electromagnets, it is known to form the stator of an electric motor or a generator at least in two parts.
  • Multi-part stators are known, for example, from the publications DE 295 22 169 Ul, GB 2 423 421 A and from CH 261 739. Such stators have a yoke ring and several with the
  • Electromagnets are wrapped in a wire. Due to the separate production of the return ring and the webs of the stator, the material consumption in the Production can be significantly reduced. In addition, a simpler winding technique for generating the electromagnets can be applied in this way.
  • Electric motors of the type mentioned here can, as already mentioned
  • traction drives in wheelchairs and scooters in rehabilitation are used.
  • battery-powered vehicles such as golf caddies, bicycles, vans or floor cleaning machines.
  • Other applications are printing machines,
  • Object of the present invention is therefore to provide a stator, in particular for an electric motor for use in a wheelchair or similar vehicles, which has a high peak performance and at the same time can be made compact and which is also inexpensive to produce.
  • Patent claim 1 solved. It is at least in two parts and has a yoke ring and a plurality of webs connected to the yoke ring, which are provided for receiving windings.
  • the stator is characterized in that at least some, preferably all webs at least partially consist of a grain-oriented material. This means that at least some of the webs consist of a grain-oriented material. It must therefore not necessarily be formed all ridges of a grain-oriented material. It is also conceivable, for example, to produce only every second or third web of a grain-oriented material.
  • all the webs are made entirely of a grain-oriented material.
  • the invention is based on the finding that the peak power of an electric motor or of an electric generator depends inter alia on the magnitude of the magnetic flux which is generated in the electromagnet of the stator.
  • the electromagnets of the stator are formed by the webs provided with windings.
  • the magnetic flux in the webs which for example by a
  • alternating electrical current in the webs surrounding windings is created, should be as large as possible to achieve a power maximization of the electric motor.
  • alternating electrical fields result in a permanent re-magnetization of the webs, resulting in the re-magnetization losses that cause the
  • the material has a uniform grain structure, i. the grains are the same orientation with respect to the orientation of their crystal axes unlike a non-oriented material.
  • a grain-oriented material has a lower Ummagnetleiterswiderstand compared to a non-grain-oriented material.
  • a grain-oriented material in particular a grain-oriented steel, also called electrical steel, can be produced for example by a thermal treatment.
  • stator proposed here can be used for both DC motors and AC motors.
  • the proposed stator can also be used for electric motors or generators of various types
  • Performance classes are used. The invention is therefore not on a
  • the grain orientation runs essentially in the longitudinal direction of the webs.
  • the material used is preferably electrical steel, but the use of another suitable grain-oriented material is also conceivable.
  • the stator proposed here is preferably intended for use with an external rotor motor, but in principle it can also be used for the realization of an internal rotor motor.
  • the stator according to the invention may also be provided for use with a generator.
  • the web can be formed in two parts, moreover.
  • a web has a web body and a web head, wherein the web body consists of the grain-oriented material and the web head can either consist of a grain-oriented material or of a magnetic powder, of a magnetic powder mixture or of any other suitable material.
  • the web consists only partially of a grain-oriented material.
  • the return ring preferably consists of a non-grain-oriented material.
  • the yoke ring is formed segment-like and the individual segments are made of a grain-oriented material.
  • stator according to the invention for an external rotor motor, an internal rotor motor or proposed for a generator.
  • an electric motor with the features of claim 10 will propose, in particular an external rotor motor having a stator according to the invention.
  • a method for producing a stator with the features of claim 11, in particular for an electric motor is proposed to solve the above object, wherein the stator is formed at least in two parts and has a yoke ring and a plurality of webs.
  • the method is characterized in that at least some, preferably all webs are at least partially made of a grain-oriented material. This means that at least some of the webs are made of a grain-oriented material. It must therefore not necessarily be formed all ridges of a grain-oriented material. It is also conceivable, for example, to produce only every second or third web of a grain-oriented material. In principle, it is conceivable to construct at least one, preferably all webs in several parts, in particular two parts, wherein only a part of the multi-part web can consist of a grain-oriented material.
  • the webs are preferably punched or lasered from the grain-oriented material.
  • the stator is brought to the desired stator length. It is preferably provided that the webs are punched or lasered such that the grain orientation of the material used extends substantially in a longitudinal direction of the webs.
  • FIG. 1 is a sectional view of an electric motor according to the invention
  • Fig. 2 is a schematic side view of a stator according to the invention.
  • Fig. 3 is a schematic representation of a two-part web formed
  • FIG. 5 is a plan view of a web head.
  • Fig. 6 is a schematic representation of several interconnected
  • FIG. 7 is a schematic representation of a plurality of interconnected
  • Fig. 1 shows an electric motor 1, which is purely exemplified as an external rotor motor and serves as a drive for a wheelchair or the like.
  • the electric motor 1 has a rotor 3 and a stator 5.
  • the stator 5 is formed in several parts and comprises a yoke ring 7, which is connected to a plurality of webs 9, which are preferably pressed into the yoke ring 7.
  • the webs 9 are formed by laminated cores and are each provided with windings 11 for the realization of electromagnets.
  • the number of windings and the thickness of the wire used may vary depending on the application.
  • the windings 11 can be protected as complete windings and insulated applied directly to the webs 9. Also conceivable is the use of air coils or the use of coils on bobbins.
  • the outer peripheral surface u of the rotor 3 is exemplified in the figure 1 as a rim, and on the inner peripheral surface i of the rotor 3 magnets 13 are applied, preferably glued. Furthermore, the rotor 3 with a
  • the rotor 3 is also supported with two ball bearings 19 and 21 and on the hub 23 from.
  • the yoke ring 7 is arranged on a closed housing 25 of an electromagnetic brake 27.
  • the solenoid brake 27 is formed here without a mechanical manual release.
  • the housing 25 of the solenoid brake 27 is connected by screws 29 to the hub 23 and has a two-sided brake disc 31st
  • the hub 23 serves to receive the electric motor 1 on a shaft of the vehicle.
  • FIG. 2 shows the stator 5 according to FIG. 1 in a schematic side view.
  • the same parts are provided with the same reference numerals, so that in so far on the
  • the stator 5 has, as already stated above, arranged on the housing 25 of the solenoid brake 27 return yoke ring 7 and a plurality of webs 9 connected thereto.
  • the yoke ring 7 For receiving the webs 9, the yoke ring 7 in its peripheral surface 35 a plurality of recesses 37, in which projections 38 of the respective webs 9 are to be arranged.
  • the projections 38 of the webs 9 are pressed into the recesses 37. It is understood that the webs 9 may be connected in other ways with the yoke ring.
  • the peripheral surface 35 of the yoke ring 7 is not completely provided with recesses 37 to simplify the illustration.
  • recesses 37 only three integrally formed webs 9 are shown in corresponding recesses 37 of the yoke ring 7. It is understood that the recesses 37
  • each recess 37 has an associated web 9.
  • the number of recesses 37 and the associated webs 9 may vary.
  • the three webs 9 are arranged side by side as shown in FIG. 2 and have a defined distance from each other in a radially outer region.
  • some, preferably all webs 9 are made of a grain-oriented material, in particular of electric sheet or dynamo sheet with a certain thickness.
  • the grain orientation of the material used In this case, the tool in the production of the webs 9 must be aligned relative to the material so that the longitudinal axis L of the webs to be produced points in the direction of the grain orientation.
  • the direction of grain orientation of the material used must be known.
  • the grain orientation of the webs 9 is indicated in FIG. 2 by arrows 39.
  • An integrally formed yoke ring 7, as shown in FIG. 2, can indeed be produced from a grain-oriented material, but the grain orientation then does not run continuously in a radial direction r of the yoke ring, as would be desirable.
  • the yoke ring 7 is therefore preferably a non-grain-oriented material, in particular an electrical sheet or
  • Return yoke 7 is indicated in Fig. 2 by pointing in different directions arrows 41. It is clear that, in contrast to the grain-oriented material, the orientation of the crystal axes of a non-grain-oriented material is not ordered.
  • the return ring 7 it is also conceivable to subdivide the return ring 7 into a plurality of segments (not shown) of suitable size and to then manufacture the individual segments from a grain-oriented material, in particular from electrical steel. In the preparation is to ensure that the grain orientation of the material in a radial direction r of the segments of the yoke ring 7 extends. The individual segments can then in a suitable manner to a yoke ring. 7
  • Fig. 3 is an imple mentation shape of a web 9 is shown, which is formed in two parts.
  • the two-part web 9 comprises a web body 43 and a
  • Both components of the web 9 can be made of a grain-oriented material. However, it is also conceivable to produce only the web body 43 from a grain-oriented material and the web head 45 from a magnetic powder or from a magnetic powder mixture. The latter embodiment additionally improves the magnetic conduction of the webs 9.
  • the web body 43 and the web head 45 can be connected to each other in a suitable manner, for example, glued or pressed together. For this purpose, the web body 43 preferably has a projection 47 and the web head 45 to a complementary opening 49 formed.
  • Fig. 4 the two-part web 9 is shown in an assembled state. It is clear that the projection 47 engages in the opening 49.
  • Fig. 5 shows a plan view of the web head 45 according to FIGS. 3 and 4. The same parts are provided with the same reference numerals, so that in so far on the
  • Figs. 3 and 4 are sectional views along the section line A-A of Fig. 5 represent.
  • the length of the opening 49 and the length of the web head 45 depend on the required length of the stator core.
  • a plurality of interconnected webs 9 and web body 43 are shown, which are made of a grain-oriented material in one piece from the band, in particular punched or laser cut and packaged in one piece. Each two adjacent webs 9 are for this purpose by a thin
  • the number of interconnected webs 9 and the length of the material webs 51 can be adapted in this way exactly to the circumference of the yoke ring 7 and the number of recesses 37 provided.
  • the length of the individual material webs 51 may be corresponding to the distance between
  • the webs 9 may be integrally formed, as shown in Fig. 6. In this case, the windings 11 before connecting the webs 9 with the
  • Return ring 7 are applied by means of a suitable winding technique on the webs 9.
  • the webs 9 may also be formed in two parts, as shown in Fig. 7. In this case, it is possible to first only manufacture the web body 43 and connect it to the yoke ring 7 and only then to provide the web body 43 with windings 11. Subsequently, the web heads 45 can then be connected to the web bodies 43.
  • some, preferably all webs 9 are at least partially made of a grain-oriented material, wherein the webs are preferably processed by means of conventional methods, in particular punched or lasered, that the grain orientation of the material in the
  • L longitudinal direction L of the webs 9 extends. This results in a substantially lower loss of core magnetization than is the case with the use of non-grain-oriented standard electrical metal sheets for the webs 9.
  • the cross section of the webs 9 can be substantially reduced, so that the distance a between the webs 9, as shown for example in Fig. 6, is greater. This also causes the existing volume between the webs 9. This in turn causes a winding wire of larger diameter for generating electromagnets can be wound around the webs 9.
  • the web body 45 can be arranged close together with a small distance, because the webs 9 are individually with
  • Windings provided so that it is not necessary to introduce the winding wire through the narrow distances between the web bodies 45.
  • the thicker winding wire can then be up to 54% higher output power can be achieved.
  • the size and configuration of all components of an electric motor or a generator according to the invention can vary depending on the application. This applies in particular to the length of the stator, the circumference of the stator
  • stator has at least two components, namely a
  • grain-oriented material in particular its quality, may vary depending on the application.
  • stamped individual sheets in particular dynamo sheets, also called electrical sheet or transformer sheet, are used to produce the webs, which generally sheet metal material of an iron-silicon alloy with soft magnetic properties
  • the sheet is described in the standard "grain-oriented electrical steel sheet and strip in final annealed condition" (DIN EN 10107: 2005-10).
  • the present invention advantageously combines a multi-part design of the stator 5 with the use of a grain-oriented material for the webs 9 of the stator 5.
  • an electric motor or a generator can be created, which has a greater power than a conventional electric motor of comparable size and which is also inexpensive to produce.
  • stator for an external rotor motor.
  • stator according to the invention can readily be used for an internal rotor motor.
  • stator is then appropriate designed differently, in particular, the "web ring" is then arranged radially inwardly with respect to the yoke ring.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

L'invention concerne un stator (5), en particulier pour un moteur électrique (1), qui est réalisé en au moins deux parties et qui présente une culasse annulaire (7) ainsi que plusieurs pattes (9) reliées à la culasse annulaire (7) et recevant des enroulements (11). Le stator (5) selon l'invention est caractérisé en ce qu'au moins quelques-unes des pattes (9) sont au moins partiellement constituées d'un matériau à grains orientés.
EP10728157A 2009-07-07 2010-06-17 Stator et procédé de production d'un stator Withdrawn EP2556580A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202009009304U DE202009009304U1 (de) 2009-07-07 2009-07-07 Außenläufermotor mit einem 2- oder mehrfach geteilten Stator aus unterschiedlichem Material und einer integrierten Elektromagnet-Bremse ohne Handlüftung
PCT/EP2010/058581 WO2011003718A2 (fr) 2009-07-07 2010-06-17 Stator et procédé de production d'un stator

Publications (1)

Publication Number Publication Date
EP2556580A2 true EP2556580A2 (fr) 2013-02-13

Family

ID=41153084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10728157A Withdrawn EP2556580A2 (fr) 2009-07-07 2010-06-17 Stator et procédé de production d'un stator

Country Status (3)

Country Link
EP (1) EP2556580A2 (fr)
DE (1) DE202009009304U1 (fr)
WO (1) WO2011003718A2 (fr)

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Publication number Priority date Publication date Assignee Title
EP2360813A1 (fr) * 2010-02-12 2011-08-24 Hansjörg Cueni Machine dynamoélectrique
ES2618295T3 (es) * 2013-05-06 2017-06-21 Tata Steel Uk Ltd. Polo de rotor o estator de múltiples materiales para motores y generadores eléctricos y método para fabricar tales polos
HUE060780T2 (hu) * 2013-05-06 2023-04-28 Tata Steel Uk Ltd Eljárás több anyagból készült forgórész és/vagy állórész elõállítására villamos gépekhez
CN105958738A (zh) * 2016-06-16 2016-09-21 安乃达驱动技术（江苏）有限公司 电动车用一体化电机的结构及电动车
WO2019130903A1 (fr) * 2017-12-29 2019-07-04 ヤマハ発動機株式会社 Véhicule électrique à selle
KR102600922B1 (ko) 2019-04-18 2023-11-13 파커-한니핀 코포레이션 전기 모터
CN110027407A (zh) * 2019-04-19 2019-07-19 丁钰松 新能源汽车动能回收轮毂内置发电机
CN110601449B (zh) * 2019-09-26 2021-01-26 沈阳理工大学 一种电动汽车轮毂电机冷却系统
IT202000022951A1 (it) * 2020-09-29 2022-03-29 Ducati Energia S P A Generatore a magneti permanenti per la ricarica di bordo veicolo

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DE29522169U1 (de) 1995-01-23 2000-03-09 Schmid, Egon, 88605 Sauldorf Motor/Generator
US20010030486A1 (en) * 2000-03-06 2001-10-18 Pijanowski Joseph M. Electric machine with structural spacer
AU2002220912A1 (en) * 2000-12-06 2002-06-18 Newage International Limited Electrical machine magnetic cores
GB0030494D0 (en) * 2000-12-14 2001-01-24 Europ Electrical Steels Ltd Mixed directionality of metal for machine teeth and back iron
JP4491225B2 (ja) * 2003-12-17 2010-06-30 住友電気工業株式会社 圧粉磁心およびステータコア
GB0503085D0 (en) 2005-02-15 2005-03-23 Compactcaddy Ltd Electric motor
GB0610933D0 (en) * 2006-06-02 2006-07-12 Nexxtdrive Ltd Electric machine

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Title
See references of WO2011003718A2 *

Also Published As

Publication number Publication date
WO2011003718A2 (fr) 2011-01-13
WO2011003718A3 (fr) 2011-10-13
DE202009009304U1 (de) 2009-10-08

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