WO2012110134A1 - Moteur électrique et système pour l'arrêt forcé de l'alimentation en énergie d'un tel moteur - Google Patents

Moteur électrique et système pour l'arrêt forcé de l'alimentation en énergie d'un tel moteur Download PDF

Info

Publication number
WO2012110134A1
WO2012110134A1 PCT/EP2011/072083 EP2011072083W WO2012110134A1 WO 2012110134 A1 WO2012110134 A1 WO 2012110134A1 EP 2011072083 W EP2011072083 W EP 2011072083W WO 2012110134 A1 WO2012110134 A1 WO 2012110134A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
signal lines
sensor
electrical machine
electric machine
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.)
Ceased
Application number
PCT/EP2011/072083
Other languages
German (de)
English (en)
Inventor
Raphael Fischer
Tobias Vogler
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
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 Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to DE112011104897T priority Critical patent/DE112011104897A5/de
Publication of WO2012110134A1 publication Critical patent/WO2012110134A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/25—Devices for sensing temperature, or actuated thereby
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements

Definitions

  • the invention relates to an electric machine, in particular a 10-wheeled electric motor, with a rotor, a stator and a housing at least partially housing the rotor and the stator, wherein the rotor and / or the stator has circumferentially arranged pole teeth and intermediate slots.
  • Such an electric machine is known, for example, as an electric wheel motor from the patent EP 0751 026 B1.
  • This electric motor has a rotor and a rotor circumferentially surrounding the stator with a yoke core and a plurality of pole teeth having magnetic pole core. Between each two adjacent pole teeth results in a slot.
  • Some electrical machines such as electric machines for electric or hybrid powertrains of motor vehicles, are loaded with voltages.
  • interlock system a system for forced shutdown
  • at least one sensor checks whether the system or the device is in a suitable operating condition for the operation and the system or the device disconnects from its power supply, if this is not the case.
  • the electric machine can be designed as a generator and / or electric motor.
  • a particular embodiment of the electric motor is the electric wheel hub motor.
  • a wheel hub motor is an electric motor that is directly installed in a wheel of a vehicle and at the same time carries the wheel hub, so that a part of the engine rotates with the wheel.
  • When designed as an internal rotor electric wheel hub motor often results in a very tight radial dimensioned space within the housing.
  • the invention has for its object to provide an electrical machine, which ensures reliable transmission of a forced shutdown causing signal even in a small space within its housing.
  • the electric machine further comprises at least one sensor with sensor element and signal lines for a system for forced shutdown (interlock system), wherein the signal lines of the sensor are guided in one of the slots. If several sensors are provided, the corresponding signal lines of the individual sensors are preferably guided in separate slots. The slots accommodate the windings of the rotor or stator, but are generally not completely filled with them. Therefore, there is usually enough space to lay the signal lines.
  • the electric machine can have one or more sensors. The sensor or the sensors monitor whether the electric machine is in a suitable state for the operation thereof.
  • a control device for controlling the power supply of the electrical machine of the system for forced shutdown disconnects the electric machine from its power supply.
  • the sensor signal can alternatively or additionally be used for other measures, such as a signaling of the state.
  • the electric machine is an electric motor and / or a generator.
  • a particular embodiment of the electric motor is a wheel hub motor; the corresponding embodiment of the generator is a hub dynamo.
  • the electric machine is in particular an electric machine for driving a motor vehicle. Such electrical machines are operated with voltages of more than 100 volts.
  • the corresponding drive types are an electric drive or a hybrid drive, in which the electric machine is usually used together with an internal combustion engine as drive machines.
  • the sensor element or the sensor elements is arranged in the interior of the housing / are.
  • the housing is formed as an apparent housing.
  • at least one sensor monitors whether the housing of the electrical machine is in the "housing open” or “housing closed” state. When the housing is closed, the electrical machine is in a proper operating state, with the housing open in an improper operating state.
  • the housing part is for example a cover, a lid, a flap, etc.
  • the sensor element is designed as a switch.
  • This switch is preferably a push button switch. It is advantageously provided that the switch is designed as a switch closing in its depressed state.
  • the switch is depressed by the housing part when the housing is closed. For example, as long as the switch is depressed, a forced shutdown circuit is closed, signaling the proper operating condition. If the housing part is displaced, the switch is no longer depressed, the circuit is opened and the system for forced shutdown disconnects the electrical machine from its power supply.
  • an end facing away from the sensor element the signal lines is led out of the housing. This end can be used for electrical connection to the remaining components of the system for forced shutdown.
  • the signal lines of the sensor are twisted together. Twisted signal lines are less prone to the electromagnetic interference caused by the electromagnetically interacting parts of the electric machine and introduce the corresponding interference signals in the signal lines.
  • the signal lines have a common shielding.
  • a shield surrounds the signal lines of the sensor and shields them against external influences such as the aforementioned electromagnetic interference.
  • the signal lines are surrounded at its end facing away from the sensor element with a ferrite core or connected to a frequency filter.
  • the frequency filter is in particular an active or passive low-pass filter. All these measures are used to filter out faults.
  • the senor further comprises an antenna extending parallel to the signal lines, the signal of which is fed to the frequency filter designed as an active filter.
  • an antenna is particularly susceptible to the aforementioned external influences, including the electromagnetic interference.
  • the sensor element is detachably fastened to at least one pole tooth or is releasably secured.
  • the sensor element is preferably clamped / clamped to the pole tooth.
  • the invention further relates to a system for forced shutdown, with an electrical machine and a control device for controlling the power supply of the electrical machine in response to a sensor signal.
  • the electric machine is designed as an electrical machine mentioned above, wherein the signal lines of the sensor for the transmission of the sensor signal are signal-technologically connected to the control device.
  • the control device is, for example, a control unit of the electric machine, in the case of an electric motor that is an engine control unit.
  • the electric machine is preferably a wheel hub motor.
  • FIG. 1 a sectional view of the upper part of an electric wheel hub motor designed as an electric machine with stator, rotor and housing according to a first embodiment of the invention, a detailed representation of the pole teeth with intermediate slots on the inside of the stator shown in Fig. 1, a sectional view of the in Fig. 2 of the stator, a detailed view corresponding to FIG. 2, wherein anchoring structures for fastening the sensor element of the sensor to the stator are shown, FIG.
  • Fig. 5 is a sectional view corresponding to FIG. 2, wherein the attached
  • Fig. 6 to 10 detailed representations of the wiring of the sensor on the stator with various measures for the suppression of interference signals.
  • FIG. 1 shows a sectional view of one half of an electric wheel hub motor 10 designed as electrical machine 12.
  • the electric machine 12 has a rotor 14 (also called rotor), a stator 16 (also called stator) and a rotor 14 and the stator 16 housing housing 18 on.
  • Rotor 14 and stator 16 are arranged coaxially with respect to a motor axis 20.
  • the rotor 14 is rotatably mounted on a shaft 22 running along the motor axis 20.
  • a plurality of bearings 24 are arranged between the rotor 14 and the shaft 22. These are formed in the illustrated electric machine 12 as a ball bearing.
  • the rotor 14 has at its Outer periphery 26 magnets 28, of which in Fig. 1, only one is visible.
  • the magnets 28 are designed as permanent magnets.
  • the stator 16 surrounds the rotor 14 circumferentially and, on its inner periphery 30 facing the magnets 28, has a multiplicity of pole teeth 32 with slots 34 (ie, spaces between the teeth 32) between them. Described differently around these slots 34 can be in the form of grooves on the inner circumference of the stator 16, a plurality of pole teeth 32 arise. Between the highest elevations of these pole teeth 32 and the outer surface of the magnets 28, the so-called air gap of the electric machine 12 is formed.
  • the stator 16 further has a winding arrangement 36, the individual windings 38 are inserted into the slots 34. At their respective axial end areas 40, 42, corresponding winding heads 44, 46 are formed.
  • Rotor 14 and stator 16 are surrounded in their outer area by an outer housing part 48 of housing 18, while in their inner area at least on one side by a housing inner part 50 having the shaft 22 be covered.
  • another housing part 52 is releasably secured to the housing outer part 48, wherein this housing part 52 at least partially covers the rotor 14 and the stator 16 in a housing-like manner.
  • the housing 18 is thus designed as an apparent housing 54.
  • the electric machine 12 also has a sensor 56 with a sensor element 58 and associated signal lines 60 for a system for forced shutdown, an interlock system, the electric machine 12, this system is not shown in its entirety.
  • the sensor element 58 of the sensor 56 is designed as a switch 62, more precisely as a pushbutton switch.
  • This key switch serves as a break contact of the interlock system or an interlock circuit.
  • the sensor element 58 designed as a switch 62 is fastened to the one end region 40 such that the switch 62 is pressed down by the housing part 52 when the housing 18, 54 is closed. If the housing part 52 is removed or removed, the switch 62 opens and the corresponding interlock circuit is opened.
  • the signal lines 60 of the sensor 56 are guided by the sensor element 58 or the switch 62 through or along the one winding head 44 at one end portion 40 radially outward and then axially through one of the slots 34 to the other end portion 42. There, an end 64 of the signal lines 60 is guided through a corresponding opening 66 in the housing 18, 54 to the outside.
  • This guidance of the signal lines 60 contributes to the particular installation space situation in compact electrical machines 12, such as wheel hub motors 10. But it is equally applicable to all tasks in which similar geometric situations occur.
  • the signal lines are therefore guided through the stationary part of the electric machine 12.
  • This standing part is formed by the lamination of the stator 16, the winding assembly 36, a cooling jacket, not shown here, and the housing 18, 54.
  • the space situation is in the optimized case so close that at first viewing no way for the signal lines 60 remains.
  • Figs. 2 and 3 show this situation in detail. They each show a portion of the stator 16 with three pole teeth 32 and intermediate slots 34. The pole teeth 32 are wound with turns 38 of the winding assembly 36 of the stator 16. In one of the slots 34 are the signal lines 60 (one outgoing and one return line) of the sensor 56 a.
  • FIG. 4 essentially corresponds to that of FIG. 2 and shows additional anchoring arms 68 of the sensor element 58, by means of which the sensor element 58 can be fastened to the stator 16.
  • the type of attachment is particularly clear in Fig. 5.
  • FIG. 5 shows a sectional view corresponding to FIG. 3, wherein the detachable attachment of the sensor element 58 to the stator 16 is shown.
  • the sensor element 58 has the two anchoring arms 68, by means of which it is fastened to a pole tooth 32 and the corresponding turns 38 wound around this pole tooth 32 in the area of the one winding head 44 (for example by casting in / on this winding head 44) ,
  • the sensor signal on the signal lines 60 usually consists of a predetermined current of e.g. 10 mA.
  • a voltage drop in the interlock system or interlock circuit is evaluated for the forced shutdown. If the voltage drop too high, the shutdown of the power supply of the electric machine 12 is caused by the system for forced shutdown.
  • FIG. 6 shows detailed representations of the wiring of the sensor 56 on the stator 16 with various measures for the suppression of interference signals.
  • Fig. 6 shows the return line of the signal lines 60, which are laid close to each other, here even twisted together. Due to the close spatial guidance of the forward and return lines, induced disturbances at least partially cancel each other out.
  • FIG. 7 shows a shielding 70 of the signal lines 60.
  • a shield 70 of the signal lines 60 further attenuates the influence of interference.
  • damping in the signal lines 60 can be achieved by the use of ferrite cores 72 (FIG. 8).
  • the leads 60 are for this purpose led close to the terminals or the end 64 through the ferrite core 72.
  • Fig. 9 shows a corresponding arrangement in which the signal lines 60 at its the sensor element 58 facing away from the end 64 are connected to a frequency filter 74.
  • the interfering pulses in the winding arrangement can be detected by an antenna 76, which is guided parallel to the signal lines 60, and fed to a frequency filter 74, which is designed as an active filter.
  • the senor element 58 itself. Since, as shown in the exemplary embodiment, it can be arranged such that it is in the way when the rotor 14 is dismantled, it must itself also be removable. At the same time its attachment (so for example, the two anchoring arms 68) to be designed so that it disappears in the bobbin of the machine 12.
  • the mechanical orientation of the sensor element 58 is combined with the electrical contact.
  • the easiest way is to connect by screws.
  • the contact is first positioned against rotation by means of a suitable contour and then secured with one or more screws.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un moteur électrique (12), en particulier un moteur électrique (10) de moyeu de roue, comportant un rotor (14), un stator (16) et un carter (18) renfermant au moins partiellement le rotor (14) et le stator (16), le rotor (14) et/ou le stator (16) présentant des dents polaires (32) situées en périphérie (32) et des fentes (34) situées entre les dents. Selon l'invention, le moteur électrique (12) comporte également au moins un capteur (56) pourvu d'un élément capteur (58) et de lignes d'acheminement de signaux (60) pour un système d'arrêt forcé, les lignes d'acheminement de signaux (60) du capteur (56) étant guidées dans l'une des fentes (34). L'invention concerne également un système correspondant d'arrêt forcé.
PCT/EP2011/072083 2011-02-16 2011-12-07 Moteur électrique et système pour l'arrêt forcé de l'alimentation en énergie d'un tel moteur Ceased WO2012110134A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112011104897T DE112011104897A5 (de) 2011-02-16 2011-12-07 Elektrische Maschine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011004201.6 2011-02-16
DE102011004201 2011-02-16

Publications (1)

Publication Number Publication Date
WO2012110134A1 true WO2012110134A1 (fr) 2012-08-23

Family

ID=45315787

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2011/072083 Ceased WO2012110134A1 (fr) 2011-02-16 2011-12-07 Moteur électrique et système pour l'arrêt forcé de l'alimentation en énergie d'un tel moteur
PCT/EP2011/072468 Ceased WO2012110138A1 (fr) 2011-02-16 2011-12-12 Dispositif de montage de commutateur d'interverrouillage, système haute tension pourvu d'un tel dispositif, et véhicule électrique ou hybride pourvu d'un dispositif de montage de commutateur d'interverrouillage et d'un système haute tension de ce type

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/072468 Ceased WO2012110138A1 (fr) 2011-02-16 2011-12-12 Dispositif de montage de commutateur d'interverrouillage, système haute tension pourvu d'un tel dispositif, et véhicule électrique ou hybride pourvu d'un dispositif de montage de commutateur d'interverrouillage et d'un système haute tension de ce type

Country Status (2)

Country Link
DE (2) DE102011080005A1 (fr)
WO (2) WO2012110134A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107437695A (zh) * 2017-04-11 2017-12-05 广州方阁建筑工程技术开发有限公司 一种新型焊接设备
CN108233052A (zh) * 2017-09-12 2018-06-29 韦健敏 一种改进型的除尘器设备
CN108242732A (zh) * 2017-12-01 2018-07-03 广州冠松电力科技有限公司 一种改进型led灯装置
FR3146381A1 (fr) * 2023-03-01 2024-09-06 Valeo Eautomotive Germany Gmbh Machine électrique avec un capteur et essai d’isolement amélioré pour ledit capteur

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106825864B (zh) * 2017-03-31 2018-07-06 河北华孚洁净技术有限公司 一种用于焊接机的开启装置
CN113903621B (zh) * 2021-10-29 2023-08-15 盐城市正龙电热科技有限公司 一种便于安装的温控表

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1121722B (de) * 1960-10-19 1962-01-11 Danfoss Ved Ing M Clausen Motorkompressor, insbesondere fuer hermetisch gekapselte Kleinkaeltemaschinen
JPH0739111A (ja) * 1993-07-20 1995-02-07 Kansai Electric Power Co Inc:The 回転電機の異常検出装置
US6028382A (en) * 1998-07-14 2000-02-22 Reliance Electrical Industrial Company Temperature sensing arrangement for the stator core of an electromechanical machine
EP0751026B1 (fr) 1995-06-30 2001-01-03 Honda Giken Kogyo Kabushiki Kaisha Ensemble de moteur électrique monté dans une roue
US20030055584A1 (en) * 2001-09-17 2003-03-20 Abbas Raftari Demagnetization for a motor in an electric or partially electric motor vehicle
DE102004004227A1 (de) * 2004-01-28 2005-08-18 Ebm-Papst Mulfingen Gmbh & Co. Kg Kollektorloser Gleichstrommotor
EP2214296A1 (fr) * 2009-02-03 2010-08-04 Robert Bosch Gmbh Ensemble moteur à commutation électronique

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201901A (en) * 1978-03-20 1980-05-06 Amana Refrigeration, Inc. Adjustable safety interlock for microwave ovens
DE3842261C2 (de) * 1988-12-15 2001-11-15 Linde Ag Sicherheitsvorrichtung für ein Flurförderzeug
JP3612439B2 (ja) * 1999-05-06 2005-01-19 矢崎総業株式会社 電源遮断装置
US20030022535A1 (en) * 2001-06-25 2003-01-30 Thomas Schoepf Fuse and relay box in a motor vehicle
US7084361B1 (en) * 2005-09-22 2006-08-01 General Motors Corporation High voltage interlock switch
US7641499B1 (en) * 2008-08-28 2010-01-05 Delphi Technologies, Inc. High voltage connector and interlocking loop connector assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1121722B (de) * 1960-10-19 1962-01-11 Danfoss Ved Ing M Clausen Motorkompressor, insbesondere fuer hermetisch gekapselte Kleinkaeltemaschinen
JPH0739111A (ja) * 1993-07-20 1995-02-07 Kansai Electric Power Co Inc:The 回転電機の異常検出装置
EP0751026B1 (fr) 1995-06-30 2001-01-03 Honda Giken Kogyo Kabushiki Kaisha Ensemble de moteur électrique monté dans une roue
US6028382A (en) * 1998-07-14 2000-02-22 Reliance Electrical Industrial Company Temperature sensing arrangement for the stator core of an electromechanical machine
US20030055584A1 (en) * 2001-09-17 2003-03-20 Abbas Raftari Demagnetization for a motor in an electric or partially electric motor vehicle
DE102004004227A1 (de) * 2004-01-28 2005-08-18 Ebm-Papst Mulfingen Gmbh & Co. Kg Kollektorloser Gleichstrommotor
EP2214296A1 (fr) * 2009-02-03 2010-08-04 Robert Bosch Gmbh Ensemble moteur à commutation électronique

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107437695A (zh) * 2017-04-11 2017-12-05 广州方阁建筑工程技术开发有限公司 一种新型焊接设备
CN108233052A (zh) * 2017-09-12 2018-06-29 韦健敏 一种改进型的除尘器设备
CN108242732A (zh) * 2017-12-01 2018-07-03 广州冠松电力科技有限公司 一种改进型led灯装置
FR3146381A1 (fr) * 2023-03-01 2024-09-06 Valeo Eautomotive Germany Gmbh Machine électrique avec un capteur et essai d’isolement amélioré pour ledit capteur

Also Published As

Publication number Publication date
DE102011080005A1 (de) 2012-08-16
WO2012110138A1 (fr) 2012-08-23
DE112011104897A5 (de) 2013-11-14

Similar Documents

Publication Publication Date Title
DE102007044230B4 (de) Drehmelder und bürstenfreier Motor
WO2012110134A1 (fr) Moteur électrique et système pour l'arrêt forcé de l'alimentation en énergie d'un tel moteur
DE102009002739B4 (de) Elektrische Maschine
DE112013004395T5 (de) Variabler Reluktanzresolver mit integraler elektromagnetischer Störabschirmung und rotierende elektrische Maschine mit diesem
DE102020129142B4 (de) Läufer für eine rotierende elektrische Maschine
DE102010021159B4 (de) Wälzlager mit einer integrierten permanenterregten elektrischen Maschine
DE102014115929A1 (de) Türantrieb
DE102017102495A1 (de) Stator für einen Elektromotor
DE4303480A1 (de) Elektromotor, insbesondere ein umrichtergespeister Asynchronmotor zum Antrieb von Kraftfahrzeugen
DE60309778T2 (de) Elektronisch kommutierter Motor
DE102010022369A1 (de) Lager mit einer Energieerzeugungseinheit sowie Käfig für ein Wälzlager
DE102010043970A1 (de) Elektrische Maschine für einen Lenkantrieb
DE112013007366T5 (de) Elektromotor
DE102012022152A1 (de) Elektrische Maschine und Rotor für eine elektrische Maschine
DE102015211836A1 (de) Verfahren zum Bewickeln eines Stators, sowie ein Stator und eine elektrische Maschine beinhaltend einen solchen Stator
DE102013107633A1 (de) Kappenaufbau für eine Riemenscheibenbefestigungsmutter für eine elektrische Rotationsmaschine für ein Fahrzeug
DE29901967U1 (de) Elektromotor mit einer Anordnung zur Drehzahlüberwachung
DE102015201218A1 (de) Stator für eine elektrische Maschine mit einer gekapselten Verschaltungseinrichtung
DE102017101041A1 (de) Motor und Resolver davon
DE102021212149A1 (de) Drehtransformatorsystem
EP1420502B1 (fr) Moteur électrique
DE112014005305T5 (de) Motor
DE102008041604A1 (de) Rotor für eine elektrische Maschine mit reduziertem Rastmoment
DE102017106399A1 (de) Elektromotor
EP1312929B1 (fr) Procédé de surveillance de l'isolation électrique d'un rotor dans une machine électrique

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11794130

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 1120111048971

Country of ref document: DE

Ref document number: 112011104897

Country of ref document: DE

REG Reference to national code

Ref country code: DE

Ref legal event code: R225

Ref document number: 112011104897

Country of ref document: DE

Effective date: 20131114

122 Ep: pct application non-entry in european phase

Ref document number: 11794130

Country of ref document: EP

Kind code of ref document: A1