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WO2018099746A1 - Rotor, machine électrique contenant un tel rotor, et procédé de fabrication d'un rotor - Google Patents

Rotor, machine électrique contenant un tel rotor, et procédé de fabrication d'un rotor Download PDF

Info

Publication number
WO2018099746A1
WO2018099746A1 PCT/EP2017/079748 EP2017079748W WO2018099746A1 WO 2018099746 A1 WO2018099746 A1 WO 2018099746A1 EP 2017079748 W EP2017079748 W EP 2017079748W WO 2018099746 A1 WO2018099746 A1 WO 2018099746A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
winding
adhesive
commutator
face
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/EP2017/079748
Other languages
German (de)
English (en)
Inventor
Norbert Streibl
Frank Kopf
Benoit Monzie
Juergen Halfmann
Vincent Fix
Lena Wagner
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to KR1020197015553A priority Critical patent/KR102577383B1/ko
Priority to CN201780073854.4A priority patent/CN109997295B/zh
Publication of WO2018099746A1 publication Critical patent/WO2018099746A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
    • H02K3/51—Fastening of winding heads, equalising connectors, or connections thereto applicable to rotors only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/04—Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
    • 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
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
    • 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
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/26—Rotor cores with slots for windings
    • 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
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
    • H02K13/006—Structural associations of commutators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/021—Magnetic cores
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/12—Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
    • H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
    • 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
    • H02K7/003—Couplings; Details of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information

Definitions

  • Rotor electric machine including such a rotor, and method of manufacturing a rotor
  • the invention is based on a rotor, an electric machine including a rotor, and a method for producing a rotor
  • DE19840149A1 shows a rotor of an electrical machine with a laminated core and a collector, wherein at the collector a felt-like element is arranged, which is impregnated with a curable agent, to firmly fix the electric coil wire to the collector.
  • a felt-like element is arranged, which is impregnated with a curable agent, to firmly fix the electric coil wire to the collector.
  • the rotor according to the invention, the electric machine, as well as the inventive manufacturing method of such a rotor, with the features of the independent claims have the advantage that prevents the selective adhesion of the electrical winding at certain points of the rotor core on the one hand, a relative movement of the winding to the rotor core can be and on the other hand in other areas a certain elastic compensation movement of the winding is maintained on the rotor.
  • the electric machine according to the invention is also suitable for use in the engine compartment of a motor vehicle, preferably for attachment to the engine block, in which a long-lasting vibration is transmitted to the electric machine.
  • the adhesive can be sprayed on as an adhesive bead on the axial end face of the rotor teeth in a particularly favorable manner before the winding process begins.
  • the adhesive is advantageously pasty and stable.
  • winding the adhesive is distributed by pressing the winding wires according to the front side of the rotor core, wherein adhesive is also pressed axially into the rotor grooves. As a result, the winding wires in the area from the transition of the winding head to the rotor core are reliably adhered thereto.
  • this bonding method for a so-called tendon winding in which the winding wire is inserted from the one Rotornut not in the immediately adjacent Rotornut, but for example in the next but one or in the third or fourth Rotornut.
  • tendon winding with relatively long tendons along the end face of the rotor core, it is particularly important to reliably adhere these chords of the winding head to the end face of the rotor core.
  • the rotor core is preferably stacked from individual punched laminations in the axial direction and connected to each other for example by means of plastically shaped beads in the axial direction.
  • these contact surfaces are electrically isolated.
  • the grooves and the end faces are coated, for example, with an epoxy resin, in particular by means of an inductive powder coating method.
  • the adhesive can be applied directly to the insulation layer. When using an epoxy layer as insulation while the adhesive is very firmly connected via the epoxy layer with the rotor core.
  • the winding wires are preferably not stuck in this axial region.
  • the adhesive is applied not only to the front side of the rotor core, but also to other spatially limited locations of the rotor core.
  • the winding wires can also be glued in certain axial end regions of the rotor grooves or on the opposite, the commutator facing away from end face.
  • the winding can be glued to the rotor shaft at certain points or to the commutator at specific contact areas.
  • the bonding process can be carried out cleanly and reliably by means of a simple adhesive.
  • an adhesive is used, which is pasty and stable. The adhesive is distributed quite well during winding between the individual winding wires without running away. Thereafter, the adhesive can be thermally cured later in a simple manner, and thereafter remains temperature stable over a long time over a wide temperature range.
  • the winding wire may be coated with a baked enamel, so that when the rotor is heated and then re-cooled, the individual winding wires are firmly connected to one another via the baked enamel.
  • the baked enamel can be heated in a favorable process in the same process step with the curing of the adhesive, or in a separate process step.
  • the gluing of the winding on the rotor core according to the invention is particularly advantageous for rotors in which the rotor shaft has such a thin diameter that, in the case of an external shaking load, the commutator can execute elastic oscillations with respect to the rotor core.
  • the load of the winding between the rotor core and the commutator is particularly high. If the winding is now glued reliably on the end face of the rotor stack, the electrical winding between the end face and the commutator can perform a certain compensating movement for bending the rotor shaft, whereby the shearing load of the winding wires on the commutator is reduced.
  • Such elastic bending of the rotor shaft occurs, for example, in rotor shafts with a diameter smaller than 5 mm, in particular smaller than 4 mm.
  • a relative movement of the rotor winding to the rotor core caused by a rotor shaft bend, a rotor twist, a so-called rigid body movement of the entire rotor winding can be avoided.
  • an electric motor such an electric motor can be fastened, for example, directly to the engine block of a motor vehicle.
  • the rotor is first preassembled by fixing the rotor core and the commutator on the rotor shaft.
  • the rotor core can preferably be pressed onto the rotor shaft by means of a press fit, which optionally has longitudinal notches for the laminations.
  • the commutator can also be pressed or fastened by means of epoxy material on the rotor shaft.
  • the axial region between the rotor core and the commutator can also be insulated by means of the epoxy coating.
  • adhesive can be applied to the end face of the rotor packet, before then the rotor core is wound with conventional winding method.
  • the adhesive is distributed between the winding wires and the end face of the rotor core and forms after curing a reliable fixation of the individual winding wires on the front side of the rotor core.
  • the adhesive it can be sprayed on in the form of so-called adhesive beads or adhesive beads on the front side of the rotor package. These adhesive beads preferably extend over the entire radial extent of the rotor teeth.
  • additional adhesive may additionally be applied to certain points of the rotor, to improve the adhesion between the winding wire and the rotor.
  • additional adhesive can be inserted in the contact region between the winding and the stator core. It is also possible to introduce adhesive after winding at certain points of the rotor grooves or on the opposite side of the rotor package.
  • the adhesive can also be supplemented between the rotor shaft and the rotor winding or between selected points of the commutator and the winding.
  • the winding wire When winding the rotor of the winding wire is preferably inserted into Kommutatorhaken and then soldered or welded, for example.
  • the winding wire is rigidly connected on the one hand to the commutator hook and on the other hand by sticking to the end face of the rotor core, wherein in the axial region between the commutator and the end face of the rotor core, the winding wires are preferably not rigidly connected to the rotor shaft.
  • thermal curing of the adhesive can advantageously simultaneously - or optionally also in separate processes - and the baked enamel of the winding wire are heated so that it forms a rigid connection between the winding wires after cooling.
  • FIG. 1 shows a first exemplary embodiment of a rotor according to the invention
  • Fig. 2 another embodiment of a rotor before winding
  • FIG. 3 shows schematically an electrical machine 10, in which a rotor 12 is mounted within a stator 13.
  • the rotor 12 has a rotor shaft 14, on which a rotor core 16 is fastened, which is composed of individual laminations 18, wherein respective end laminations 19 form the first and second end faces 40, 42 of the rotor stack 16.
  • the laminations 18 are usually punched out of an electrical sheet.
  • the rotor core 16 is, for example, pressed onto the rotor shaft 14 and fixed in a rotationally fixed manner on it.
  • a commutator 22 is mounted on the rotor shaft 14 at an axial region 20 spaced from the rotor core 16. This is also, for example, rotatably pressed onto the rotor shaft 14.
  • an electrical winding 24 is arranged, which is electrically connected to the commutator 22.
  • the commutator 22 on Kommutatorhaken 23, which represent the electrical contact with the individual commutator 26.
  • the electrical winding 24 comprises a plurality of coils 25 which are each connected to a pair of commutator bars 26.
  • brushes which abut the commutator 26 the coils 25 can be energized to cooperate with a magnetic field of the stator 13.
  • the rotor core 16 has in the axial direction 70 rotor slots 30, which are formed between corresponding radial rotor teeth 32. At the radially outer periphery, the rotor teeth 32 each have a tooth tip 34.
  • the first end face 40 of the rotor core 16 faces the commutator 22 and the opposite second end face 42 faces away from the commutator 22.
  • the electrical winding 24 bears against contact surfaces 44 on the rotor core 16, these contact surfaces 44 being provided with an insulating layer 45 in order to prevent a short circuit between the electrical winding 24 and the rotor core 16.
  • the individual coils 25 extend in the axial direction 70 in the rotor slots 30 and form at the two end faces 40, 42 a so-called winding head 46.
  • the electrical winding 24 is at the first end face 40, which faces the commutator 22, taped.
  • the electrical winding 24 is rigidly connected to the rotor core 16 at the first end face 40, so that no relative movement between the electrical winding 24 and the rotor core 16 is possible at the first end face 40.
  • the electrical winding 24 is not glued to the rotor shaft 14. This allows the elec- Rische winding 24 in this axial region 20 perform an elastic compensation movement in external shaking loads and large temperature fluctuations.
  • the electrical winding 24 is mechanically rigidly fixed to the commutator hook 23, for example by means of welding or hot pressing (so-called "hot staking").
  • adhesive 50 is applied to the first end face 40 prior to winding of the rotor core 16 along the radial rotor teeth 32.
  • the adhesive 50 is here in the form of adhesive beads 52, which preferably extend over the entire radial extent of the rotor teeth 32.
  • the diameter of the adhesive beads 52 is here, for example, greater than the diameter of the winding wire 54, which presses the adhesive 50 in the axial direction 70 against the first end face 40 after the application of the adhesive 50 on the first end face 40.
  • the adhesive 50 of the adhesive beads 52 is distributed over the entire first end face 40 and, in particular, is also pressed axially into the rotor grooves 30 during winding.
  • the adhesive 50 has a soft consistency, so that the adhesive 50 distributed during the winding process between the bearing surfaces 44 and the individual winding wires 54.
  • Fig. 3 the same rotor 12 is shown in FIG. 2, after this is finished wound.
  • the electrical winding 24 is not designed as a single-tooth winding, but each individual coil 25 always encloses at least two rotor teeth 32. In this case, the individual coils overlap one another so that they are also arranged axially one above the other at the end faces 40,.
  • the amount of the adhesive 50 applied to the first end face 40 may influence that the adhesive 50 is not only directly between the first end face 40 and the electrical winding 24, but also between the individual winding wires 54 of the electrical winding 24 is pressed during winding. This will also make the relatively long
  • the winding wire 54 is coated in the second embodiment by means of a baked enamel.
  • the baked enamel also softens when it heats up, so that during subsequent cooling the enamel of the individual winding wires 54 connects them together.
  • the rotor 12 according to FIG. 3 has, for example, eight rotor teeth 32 and correspondingly eight rotor slots 30 lying therebetween.
  • the individual coils 25 enclose here, for example, three rotor teeth 32, so that the coil 25 runs from the rotor slot number 1 to the rotor slot number 4.
  • the entire electrical winding 24 is arranged radially inside the tooth heads 34, which hold the electrical winding 24 radially reliably on the rotor 12.
  • Both end faces 40, 42, and the inner sides of the rotor grooves 30 are formed in this embodiment with an epoxy layer 48 as an insulating layer 45.
  • This epoxy layer 48 adheres very firmly to the rotor core 16, so that likewise the adhesive 50, which is applied directly to the epoxy layer 48, reliably connects the electrical winding 24 to the rotor core 16 rigidly.
  • the rotor grooves 32 are completely covered with the epoxy layer 48 as an insulating layer 45.
  • the axial region 20 between the first end face 40 and the commutator 22 may be coated with the epoxy layer 48.
  • the commutator 22 and / or the laminations 18 may be secured to the rotor shaft 14 by means of the epoxy layer 48.
  • the end plates 19 are preferably also pressed onto the rotor shaft 14 by means of ring staking.
  • longitudinal grooves on the rotor shaft 14 for the rotor package 16 can be dispensed with.
  • the electrical winding 24 may additionally be glued to other contact surfaces 44 between the electrical winding 24 and the rotor 12.
  • the electrical winding 24 can also be glued to the second end face 42, which faces away from the commutator 22.
  • the electrical winding 24 can also be glued directly to the rotor shaft 14 at the second end face 42.
  • the winding wire 54 is also glued to the commutator 22, in particular to the commutator hook 23. It is also possible that only after the finished winding of the rotor 12 at specific points of the support surface 44 subsequently adhesive 50 is applied. This is then thermally cured together with the applied before winding adhesive 50.
  • the rotor shaft 14 has a diameter of 3.0 to 5.0 mm, but preferably has a diameter not larger than 4.0 mm.
  • the invention can also find application for rotor shafts with larger diameters, in which the rotor is exposed in operation to a large temperature fluctuation, for example from -40 ° C to + 180 ° C. By gluing the invention, the so-called rigid body vibration of the entire rotor winding relative to the rotor core can be prevented.
  • the rotor shaft 14 is mounted in a housing of the stator 13 and on the other side, for example in a bearing plate between the stator 13 and a transmission housing.
  • an unillustrated output element - for example, a rotor screw - arranged, which transmits the generated torque of the electric machine 10 via a mechanism, for example, to a throttle plate, which is arranged in the engine compartment of a motor vehicle.
  • the adhesive 50 can be applied to the contact surfaces 44 of the electrical winding 24 before and after winding.
  • the electrical winding 24 can also be glued to other locations, such as the second end face 42 and / or the rotor grooves 30.
  • the winding wire 54 can also be optionally fixed securely to the commutator 22 by means of adhesive 50.
  • the number and axial length of the rotor slots 30 and the type of electrical winding 24 may be varied according to the power requirements of the electric machine 10.
  • the insulation 45 of the rotor core 16 can be made by means of epoxy resin 48 or by means of separately produced insulation masks.
  • the electric machine 10 is preferably used for actuators in the motor vehicle, for example as an engine compartment plate, in particular for a throttle valve - but is not limited to such applications.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

L'invention concerne un rotor et une machine électrique (10), notamment pour régler par moteur un élément mobile d'un véhicule à moteur, ainsi qu'un procédé de fabrication d'un tel rotor, comprenant un arbre de rotor (14) sur lequel est fixé un paquet rotorique (16), y compris un commutateur axialement distant de ce dernier, aux fins de réception d'un enroulement rotorique (24), l'enroulement rotorique (24) étant collé à demeure à des zones limitées, sélectionnées, du paquet rotorique (16) et directement à ce dernier par de la colle (50).
PCT/EP2017/079748 2016-11-30 2017-11-20 Rotor, machine électrique contenant un tel rotor, et procédé de fabrication d'un rotor Ceased WO2018099746A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020197015553A KR102577383B1 (ko) 2016-11-30 2017-11-20 회전자, 상기 회전자를 포함하는 전기 기계, 및 회전자의 제조 방법
CN201780073854.4A CN109997295B (zh) 2016-11-30 2017-11-20 转子、含有这种转子的电机以及用于制造转子的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016223750.0A DE102016223750A1 (de) 2016-11-30 2016-11-30 Rotor, elektrische Maschine beinhaltend einen solchen Rotor, sowie Verfahren zum Herstellen eines Rotors
DE102016223750.0 2016-11-30

Publications (1)

Publication Number Publication Date
WO2018099746A1 true WO2018099746A1 (fr) 2018-06-07

Family

ID=60421780

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/079748 Ceased WO2018099746A1 (fr) 2016-11-30 2017-11-20 Rotor, machine électrique contenant un tel rotor, et procédé de fabrication d'un rotor

Country Status (4)

Country Link
KR (1) KR102577383B1 (fr)
CN (1) CN109997295B (fr)
DE (1) DE102016223750A1 (fr)
WO (1) WO2018099746A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP3840195A1 (fr) * 2019-12-20 2021-06-23 Siemens Aktiengesellschaft Composant pour une machine électrique doté d'un revêtement polymère et procédé de revêtement d'un composant

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Publication number Priority date Publication date Assignee Title
DE102020113110A1 (de) * 2020-05-14 2021-11-18 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Herstellen eines Rotors sowie Rotor
DE102022204802A1 (de) 2022-05-16 2023-11-16 Volkswagen Aktiengesellschaft Verfahren zur Herstellung eines Rotors, fremderregte Synchronmaschine und Kraftfahrzeug

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EP0895668B1 (fr) 1997-02-21 2009-04-08 Robert Bosch Gmbh Rotor et son procede de production
DE102012224375A1 (de) * 2012-12-27 2014-07-03 Robert Bosch Gmbh Verfahren zum Wickeln einer Erregerspule für eine elektrische Maschine sowie eine Erregerspule

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Publication number Priority date Publication date Assignee Title
US3973738A (en) * 1969-10-15 1976-08-10 The Globe Tool And Engineering Company Armature winding and leading connecting machine
EP0895668B1 (fr) 1997-02-21 2009-04-08 Robert Bosch Gmbh Rotor et son procede de production
DE19840149A1 (de) 1998-09-03 2000-03-16 Atlas Copco Electric Tools Läufer einer elektrischen Maschine
DE102012224375A1 (de) * 2012-12-27 2014-07-03 Robert Bosch Gmbh Verfahren zum Wickeln einer Erregerspule für eine elektrische Maschine sowie eine Erregerspule

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3840195A1 (fr) * 2019-12-20 2021-06-23 Siemens Aktiengesellschaft Composant pour une machine électrique doté d'un revêtement polymère et procédé de revêtement d'un composant
WO2021122450A1 (fr) * 2019-12-20 2021-06-24 Siemens Aktiengesellschaft Composant de machine électrique à revêtement polymère et procédé de revêtement d'un composant
US12074484B2 (en) 2019-12-20 2024-08-27 Innomotics Gmbh Component for an electric machine with a polymer coating, and method for coating a component

Also Published As

Publication number Publication date
CN109997295B (zh) 2021-10-08
KR20190086687A (ko) 2019-07-23
KR102577383B1 (ko) 2023-09-15
DE102016223750A1 (de) 2018-06-14
CN109997295A (zh) 2019-07-09

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