EP3408923A1 - Rotor, moteur électrique et procédé de fabrication d'un rotor - Google Patents

Rotor, moteur électrique et procédé de fabrication d'un rotor

Info

Publication number
EP3408923A1
EP3408923A1 EP17700253.2A EP17700253A EP3408923A1 EP 3408923 A1 EP3408923 A1 EP 3408923A1 EP 17700253 A EP17700253 A EP 17700253A EP 3408923 A1 EP3408923 A1 EP 3408923A1
Authority
EP
European Patent Office
Prior art keywords
rotor
grooves
laminated core
extending
peripheral surface
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Withdrawn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
EP17700253.2A
Other languages
German (de)
English (en)
Inventor
Arash Shaghaghi
Cleef Thackwell
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Publication of EP3408923A1 publication Critical patent/EP3408923A1/fr
Withdrawn legal-status Critical Current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
    • H02K3/48—Fastening of windings on the stator or rotor structure in slots
    • H02K3/487—Slot-closing devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/0012—Manufacturing cage rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/0018—Applying slot closure means in the core; Manufacture of slot closure means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors

Definitions

  • the invention relates to a rotor for an electric machine.
  • the invention further relates to an electrical machine with such a rotor.
  • the invention also relates to a method for producing such a rotor or an electric machine with such a rotor.
  • a squirrel cage induction machine which is designed to increase the peripheral speed of the induction machine with located in grooves of the squirrel cage form bars which are hollow and axially projecting frontally.
  • Each groove may have a plurality of mold bars which are inserted into each other.
  • the forming bars at least at their axially projecting ends, or the cavity between two forming bars, can be filled with copper or aluminum in a die casting process with simultaneous casting of shorting rings against the axially projecting ends of the forming bars.
  • the hollow shape rods reduce mass and inertia of the squirrel cage and thus the centrifugal forces occurring therein.
  • the grooves can be formed with radially outwardly facing slot slots, so be semi-open.
  • the forming rods may be provided with axially extending slots, which allows the slot slots to be potted during the casting process.
  • the shaped rods can also be designed to be closed, so that the groove slot remains free during the pouring out of the shaped rods.
  • the grooves preferably taper toward the axis, respectively, and at least some of the grooves are radially outwardly open and have a lint slot.
  • rods of comparatively high electrical conductivity, in particular copper rods are used whose cross-section is at least partially adapted to the cross-section of the groove.
  • Tilting moment can be increased.
  • Sheet metal package should remain free of conductor material, according to the aforementioned documents always a two-stage process in which in a first step, a part of the conductor material must be introduced as forming rods in the grooves and can be cast only in the second step.
  • a part of the conductor material When inserting the form of rods, in particular copper rods, special care must be taken on the seal, since the die-cast material, here aluminum, is cast at high pressure and can penetrate even in small spaces.
  • conductor material e.g. Copper or aluminum, whose magnetic conductivity does not affect, but are present in the presence of electrical conductors in the area of the stray wire during operation of the machine electrical currents there due to the current displacement particularly concentrated and lead to increased electrical
  • the invention has the object of developing a rotor of an electric machine such that it is simple and inexpensive to produce and thereby has low Stromverdrfitungshiele and a high overturning moment by low tooth head scattering.
  • a rotor for an electric machine formed with a substantially cylindrical laminated core with axially laminated sheets, wherein in the laminated core along a peripheral surface of the laminated core substantially axially extending grooves are excluded, at least some of which are open by a respective radially extending from the groove outwardly to the peripheral surface scattered slot towards this peripheral surface, and wherein extending in the stray strands in the axial direction and at least partially positively locking the grooves towards the peripheral surface finally electrically and magnetically non-conductive closure elements are added.
  • a cylindrical configuration is preferably a circular-cylindrical design, i. a design in the form and form of a circular cylinder, understood.
  • a substantially cylindrical design designates a design with a contour that has no or only slight deviations from an exact cylindrical shape. As minor are those deviations which are small in relation to a radial and / or axial dimension of the rotor in the sense of the mathematical term, e.g. Recesses whose dimensions are smaller by at least a factor of 5, preferably by at least a factor 10, than the radial and / or axial dimension of the rotor.
  • a substantially cylindrical laminated core also includes a laminated core with a truncated cone shape, even if a difference between it and its smallest and smallest radius occurs which is greater than one-tenth of one of the radii.
  • the radii are always dimensioned from a rotational axis of the rotor.
  • the extension direction of the rotation axis indicates an axial direction of the rotor.
  • this circular cylinder extends with its lateral surface on the one hand in the axial direction, on the other hand in perpendicular thereto, along the lateral surface tangential circumferential direction of the rotor.
  • the term axial direction is also used here when this direction extends along a lateral surface of a truncated cone. In this sense are further referred to as axially extending, ie axial, grooves such grooves, which are aligned in the above-defined meaning of the term substantially in the axial direction or with a twist in the circumferential direction of the machine.
  • the grooves in the laminated core of the rotor preferably extend exactly in the axial direction, ie parallel to the axis of rotation of the rotor.
  • the grooves extend with a twist about this axis of rotation, preferably with a constant radial distance from the axis of rotation.
  • the twist In relation to an axial dimension of the rotor is the twist, ie the rotation of the grooves along the circumferential direction of the rotor over the entire length of the rotor, but small, preferably by at least a factor of 5, especially preferably by an order of magnitude, ie by at least a factor of 10, less.
  • the grooves extend along the lateral surface of a truncated cone.
  • the grooves which are formed with such a swirl or along the lateral surface of a truncated cone are hereafter as well
  • the radial direction of the rotor extends at right angles away from the axis of rotation.
  • the circumferential direction is that direction in which a point firmly assumed on the rotor moves around the axis of rotation when the rotor rotates.
  • a peripheral surface is the exact or substantially by a lateral surface of a cylinder, in particular circular cylinder, or a truncated cone
  • one each of the stray wires separates two radially in each case between each two of the grooves extending in the axial and radial direction, formed in the laminated core with radial end, that is. along the peripheral surface of the rotor and the rotor teeth end-closing, i. bordering, pole pieces from each other.
  • closure elements By the term of the positive closure of the closure elements is here their bounds, i. Walls circumscribed by the lintel sealing abutments. It is preferred, but not required, for the closure elements to abut the walls of the lintel along an entire extent of these walls, i. cover the entire walls.
  • the closure elements have the task to close the grooves in the radial direction, and fulfill this task depending on the training, even if a part of the walls is not covered, in particular, if the walls of the
  • Litter slot have a larger radial dimension or extension than the
  • the closure elements are formed with magnetically non-conductive material.
  • a concentration of the magnetic flux is avoided in the litter strands, the magnetic Rather flow from the litter strands off and steered by the rotor teeth directly into opposite stator teeth of the machine, whereby the force applied by the machine and thus its overturning moment can be increased.
  • Rotor according to the invention is thus adapted to deliver higher torque and power.
  • closure elements are also electrically non-conductive, so that they can not take over electrical current from arranged in the grooves conductors of the rotor during operation.
  • the closure elements are arranged in a spatial region of the rotor near its peripheral surface in which the electrical currents are particularly concentrated in conductors extending there due to the current displacement effect. There then occurs a particularly high power loss. This is prevented by the electrically insulating closure elements.
  • the invention thus makes it possible to construct a rotor of an electric machine in a simple and cost-effective manner while achieving low current displacement losses and a high overturning moment due to low tooth head scattering.
  • the invention makes it possible in a particularly advantageous manner to manufacture a rotor with these properties, which is formed with cast, in particular directly die-cast in the grooves, conductors.
  • Locking elements frictionally bounded, also called walls, connected to the litter.
  • the closure elements are in particular frictionally received in the litter strands; Particularly preferably, the closure elements fill the
  • the closure elements are advantageous with bead-, falz- or angle-like or -shaped
  • these holding elements and the complementary shaped receiving elements for introducing the Closure elements in the lattice strand and for a case to be performed insertion, engagement or the like formed at least substantially in the axial direction.
  • This at least one retaining bead and / or retaining fold or the like forms a non-positive connection and a seal of the groove, so advantageously combined form and adhesion with each other.
  • the traction is
  • the closure elements are formed with temperature-resistant and / or heat-conducting, preferably at least virtually metal-equivalent, heat-conducting material.
  • the temperature resistance of the material of the closure elements must be chosen such that the
  • Closure elements capable of withstanding at least the temperatures acting during manufacture and operation of the rotor.
  • the temperature resistance is selected in view of a preferred manufacture of the conductors in the grooves by a metal casting process, as explained below, i. E. the operating temperature of the material of
  • Closure elements corresponds at least to the die-cast temperature.
  • a preferably comparable metals heat conductivity, particularly preferably a thermal conductivity which is at least almost equal to that of the laminated core, allows for a production of the conductors in the grooves by a metal casting all around at least almost uniform removal of the process heat from the cast conductor and thus its uniform cooling, thereby Thermal stresses reduced and cracking can be avoided.
  • a dissipation in the rotor occurring power loss is improved in particular via an air gap to the stator.
  • Closure elements formed with a ceramic material Such a material combines in a particularly favorable manner excellent electrical and magnetic
  • the closure elements are formed with a material containing alumina as a ceramic material, with particular cost advantages by the simple and
  • electrical conductors are received in the grooves of a cast conductor material;
  • the electrical conductors are received in the grooves at least almost form-fitting;
  • the electrical conductors are formed by a casting process, particularly preferably by a die-casting process, in the grooves.
  • the conductors are through
  • Metal casting process particularly preferably metal die casting process, poured directly into the grooves of the laminated core, wherein grooves and closure elements together form a mold, particularly preferably a die-casting mold.
  • a mold particularly preferably a die-casting mold.
  • electrical conductors are included in the grooves, which form one for use in a
  • Asynchronous certain and trained ladder cage are determined and designed.
  • the simple design of such a conductor cage of an asynchronous machine is special can be advantageously formed in the manner described above according to the invention.
  • the short-circuit rings can be mitgefertigt easy, preferably with the same casting or
  • an electrical machine in particular an asynchronous machine, characterized by a rotor of the type described above, in particular by a rotor designed as a squirrel cage rotor.
  • the above object is also achieved by a method for producing a rotor formed according to the aforementioned kind, in particular for an electrical
  • Substantially axially extending grooves are excluded, of which at least some are open to each by a respective radially extending from the groove outwardly to the peripheral surface scattered slot towards this peripheral surface,
  • an electrically conductive material in particular a metallically conductive material, preferably with a aluminum and / or copper-containing material.
  • Closure elements and the introduction of the casting material done.
  • all manufacturing steps e.g. be performed in a single workpiece holder, in the first layered and adjusted the sheets, then mounted the closure elements and finally the casting of the conductor is made;
  • this workpiece holder can be formed by a casting or die casting tool or a part thereof.
  • FIG. 1 shows a roughly schematic representation of an outbreak from a cross section through a rotor of an electrical machine along a sectional plane extending at right angles to the axis of rotation, reproduced for an example of a rotor of an asynchronous machine with conductors in open slots,
  • Figure 2 is a rough schematic representation of an outbreak from a cross section through an electric machine with a rotor and a stator along a perpendicular to the axis of rotation extending cutting plane, reproduced for an example of a rotor of an asynchronous machine with conductors in closed grooves
  • Figure 3 is a rough schematic representation of an outbreak from a cross section through an embodiment of a rotor according to the invention an electrical machine along a perpendicular to the axis of rotation extending cutting plane, reproduced for an example of a rotor of an asynchronous machine with conductors in open, closed by closure elements grooves.
  • the reference numeral 52 denotes a laminated core of a rotor 51 of an electric machine 50, in particular an asynchronous machine, reproduced in a roughly schematic representation of an outbreak from a cross section through the rotor 51 along a perpendicular to a not shown, outside of the reproduced outbreak located rotational axis of the rotor 51 extending cutting plane.
  • the laminated core 52 of the rotor 51 is made in the direction A of the axis of rotation, i. from in a direction perpendicular to the plane in the axial direction, laminated sheets assembled.
  • the laminations of the laminated core 52 extend parallel to the aforementioned cutting plane, i.
  • Circumferential coordinate U of the rotor 51 formed at least almost constant radius boundary of the laminated core 52, along the peripheral coordinate U are arranged evenly distributed.
  • rotor teeth 55 are formed with pole pieces 56 through the laminated core 52, the pole faces 57 extend along the peripheral surface 54 of the rotor 51 and span it.
  • a respective leakage slot 58 into which the groove 53 extending between the associated rotor teeth 55 opens.
  • the groove 53 and the lintel 58 are filled with a conductor 59, here in particular a rod-shaped conductor 59 of a rotor cage of an asynchronous machine.
  • Figure 2 shows a rough schematic representation of an outbreak from a cross section through an electric machine 70, in particular an asynchronous machine, with a rotor 71 and a stator 81 along a perpendicular to an unillustrated axis of rotation extending cutting plane, i. the axis of rotation and thus the axial direction A is again at right angles to the plane of the drawing.
  • the rotor 71 again comprises a lamination stack 72 composed of sheets stacked in the axial direction A, with the laminations of the lamination stack 72 parallel to the cutting plane, i. extend on all sides in a direction perpendicular to the rotational axis of the rotor 71 leading away radial direction R of the rotor 71.
  • the laminated core 72 of the rotor 71 are in the axial direction A and thus substantially at right angles to the drawing or cutting plane extending, but now in the radial direction R of the rotor 71 all-round closed grooves 73 except.
  • the grooves 73 are in the rotor 71 below a peripheral surface 74, i. within a bounding of the laminated core 72, which is rotationally symmetrical about the rotational axis and at least approximately circular cylindrical with a radius of curvature U of the rotor 71 of at least approximately constant radius, is distributed uniformly along the circumferential coordinate U. Between the grooves 73 are through the laminated core 72 rotor teeth 75 with
  • Pole shoes 76 are formed, the pole faces 77 extend along the peripheral surface 74 of the rotor 71 and span it.
  • Each of the grooves 73 is filled with a respective conductor 79, here in particular a rod-shaped conductor 79 of a rotor cage of an asynchronous machine. Since the grooves 73 also for
  • Peripheral surface 74 of the rotor 71 are closed, go the pole pieces 76 and their pole faces 77 directly seamlessly into each other, so that between the grooves 73 and the peripheral surface 74 of the rotor 71 sections 80 of the laminated core 72 are formed, which does not include the conductors 79 are, ie do not conduct electricity.
  • sections 80 can thus be caused in the operation of the electric machine 70 by the effect of the current displacement no electric current, certainly no increased electrical current density.
  • the rotor 71 no power loss, and the efficiency of the machine 70 is not affected in this respect.
  • magnetically conductive connections are formed in the sections 80 of the laminated core 72 and thus of the rotor 71 between the grooves 73 and the peripheral surface 74 of the rotor 71.
  • a magnetic leakage flux can thus occur during operation of the electric machine 70, also referred to as tooth head scattering, by means of which the tilting moment of the machine 70, in particular asynchronous machine, is reduced.
  • 2 also shows an outbreak from a cross section through the stator 81 of the electric machine 70, in particular an asynchronous machine, along the designated cutting plane extending at right angles to the not depicted axis of rotation.
  • the stator 81 has a laminated core 82, which is comparable to the laminated core 72 of the rotor 71 composed of laminated in the axial direction A sheets, wherein the sheets of the laminated core 82 of the stator 81 also parallel to the cutting or drawing plane, ie all sides in extend the radial direction R of the rotor 71, which is also radial direction of the stator 81 so far.
  • the laminated core 82 of the rotor 81 are in the axial direction A and thus substantially perpendicular to the drawing or cutting plane extending, in the radial direction R the rotor 71 facing open grooves 83 excluded.
  • the grooves 83 are in the stator 81 of the peripheral surface 74 of the rotor 71 opposite and separated from it by an air gap 84 along the circumferential coordinate U uniformly distributed on the circumference of the stator 81. Between the grooves 83 are through the laminated core 82nd
  • Statorzähne 85 formed with pole pieces 86, the pole faces 87 of the peripheral surface 74 of the rotor 71 opposite to each other along the circumference of the stator 81 extend. In the grooves 83 of the stator 81, conductors 89 of stator windings are arranged.
  • FIG. 2 In the illustration of Figure 2 are roughly schematically indicated lines of force 90 of the magnetic flux, as it is formed during operation of the machine 70.
  • the lines of force 90 pass through the stator teeth 85 and pass through their pole pieces 86 along the pole surfaces 87 via the air gap 84 in the rotor 71 and there along the pole faces 77 of the pole pieces 76 of the rotor 71 in the rotor teeth 75.
  • Laminated core 72 of the rotor 71 between the grooves 73 and the peripheral surface 74 is directed.
  • This part of the magnetic flux or its lines of force, designated by the reference numeral 91 form the leakage magnetic flux passing through the sections 80, also referred to as tooth head scattering, through which the magnetic field generated by the machine 70 in the illustrated embodiment maximum achievable torque, referred to as tilting torque in asynchronous machines, is reduced.
  • FIG. 3 shows an embodiment of the invention shown in an outbreak from a cross-section through a rotor 100 according to the invention of an electric machine 101 along a line that is not shown at right angles to one another
  • FIG. 3 shows the example of a rotor 100 of an asynchronous machine 101.
  • the rotor 100 is formed with a cylindrical laminated core 102, which with axially
  • Cutting plane stacked sheets, is formed so that the sheets extend in the plane or parallel to it.
  • the laminated core are along a
  • Peripheral surface 104 this is a circular cylindrical lateral surface of the rotor 100 and the laminated core 102, which is aligned at right angles to the plane, except substantially axially extending grooves 103.
  • the grooves 103 are each outwardly in the radial direction R of the groove 103 to the outside, i. away from the axis of rotation until the
  • a rotor tooth 105 of the rotor 100 and laminated core 102 is bounded.
  • a pole shoe 106 is formed between each two scattered strands 108. Pole surfaces 107 of the pole pieces 106 extend along the peripheral surface 104 of the rotor 100 and clamp them.
  • Closing elements 1 10 recorded. Both the adhesion and the positive connection between the closure elements 1 10 and the pole shoes 106 is produced by bead-like holding elements 1 1 1, extending in the axial direction of the
  • Closure elements 1 10 are formed.
  • the holding elements 1 1 1 engage in groove-like, to the holding elements 1 1 1 complementary shaped receiving elements 1 12, in the
  • the closure elements 1 10 for mounting in the axial direction A in the litter 108 can be inserted easily, close them and thus the grooves 103 in the radial direction R completely positive and non-positive and form this way the peripheral surface 104 towards a stable completion of the grooves 103.
  • a fold-like connection or the like between the support members 1 1 1 and the receiving elements 1 12 may be provided, as far as this compound is formed, a complete completion of the grooves 103 for
  • peripheral surface 104 To ensure peripheral surface 104 back and absorb radially directed forces.
  • a conductor 109 is arranged, which fills this groove 103 positively.
  • the ladder are by a metal casting process, in particular die-cast, preferably from copper and / or aluminum-containing materials, directly into by the
  • the closure elements 1 10 are formed with temperature-resistant material, in particular with a ceramic material, preferably alumina, which is inexpensive, heat-resistant and mechanically strong.
  • the closure elements 10 thus make it possible to cast the conductors 109 in the grooves 103, without thereby introducing conductor material into the stray wire 108.
  • the stray wire 108 remain electrically and magnetically non-conductive in this embodiment and this method of manufacturing the conductor 109, whereby the machine 101 has low losses and a high overturning torque during operation.
  • stator teeth from 81, 82

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Induction Machinery (AREA)

Abstract

L'invention vise à confectionner un rotor (100) d'un moteur électrique (101) de manière simple et économique avec de faibles pertes d'effet pelliculaire et un couple de renversement élevé par faible diffusion de sommet de dent. À cet effet, le rotor (100) est formé avec un paquet de tôles (102) de forme sensiblement cylindrique comportant des tôles disposées en couches dans une direction axiale (A). Des rainures (103) s'étendant sensiblement dans une direction axiale (A) sont ménagées dans le paquet de tôles (102) le long d'une surface périphérique (104) du paquet de tôles (102), au moins une partie de ces rainures sont formées par une fente de diffusion (108) respective, qui s'étend dans une direction radiale (R) de la rainure (103) vers l'extérieur jusqu'à la surface périphérique (104), en étant ouvertes en direction de cette surface périphérique (104), et des éléments de fermeture électriquement et magnétiquement non conducteurs (110) sont logés dans les fentes de diffusion (108) de façon à s'étendre dans la direction axiale (A) de celles-ci et de façon à fermer au moins partiellement par complémentarité de formes les rainures (103) en direction de la surface périphérique (104). L'invention concerne également un moteur électrique (101) comportant un tel rotor (100) et un procédé de fabrication d'un tel rotor (100).
EP17700253.2A 2016-01-26 2017-01-11 Rotor, moteur électrique et procédé de fabrication d'un rotor Withdrawn EP3408923A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016201048.4A DE102016201048A1 (de) 2016-01-26 2016-01-26 Rotor, elektrische Maschine und Verfahren zur Herstellung
PCT/EP2017/050499 WO2017129407A1 (fr) 2016-01-26 2017-01-11 Rotor, moteur électrique et procédé de fabrication d'un rotor

Publications (1)

Publication Number Publication Date
EP3408923A1 true EP3408923A1 (fr) 2018-12-05

Family

ID=57777659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17700253.2A Withdrawn EP3408923A1 (fr) 2016-01-26 2017-01-11 Rotor, moteur électrique et procédé de fabrication d'un rotor

Country Status (4)

Country Link
EP (1) EP3408923A1 (fr)
CN (1) CN108496295A (fr)
DE (1) DE102016201048A1 (fr)
WO (1) WO2017129407A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111082608B (zh) * 2019-11-26 2020-11-24 华北电力大学 一种高压大功率笼型电机转子铜条消谐槽加工方法
CN114598067A (zh) * 2022-03-21 2022-06-07 珠海格力电器股份有限公司 鼠笼型转子组件、鼠笼型转子和电机
DE102022208672A1 (de) 2022-08-22 2024-02-22 Volkswagen Aktiengesellschaft Rotor für eine Asynchronmaschine mit Kühlkanälen, Asynchronmaschine und Kraftfahrzeug

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE711184C (de) * 1937-04-01 1941-09-26 Aeg Verfahren zur Herstellung von Laeufern elektrischer Maschinen mit gegossener Laeuferwicklung und halboffenen Nuten
DE19526509A1 (de) * 1995-07-20 1997-01-23 Still Gmbh Elektrische Maschine
DE102004015243B4 (de) * 2004-03-29 2008-03-20 Siemens Ag Elektrische Maschine mit Deckschiebern
DE102005030797A1 (de) 2005-06-29 2007-01-04 Siemens Ag Käfigläufer einer Induktionsmaschine
US7936103B2 (en) * 2007-11-21 2011-05-03 General Electric Company Methods for fabricating a wedge system for an electric machine
DE102010043384A1 (de) 2010-11-04 2012-05-10 Siemens Aktiengesellschaft Asynchronmaschine, insbesondere stromrichtergespeiste Asynchronmaschine mit Kurzschlussläufer und Verfahren zur Herstellung eines Kurzschlussläufers
AT12977U1 (de) * 2011-06-10 2013-03-15 Seewald Hansjoerg Ing Verschlusskeil
DE102011106480A1 (de) * 2011-06-14 2012-12-20 Voith Patent Gmbh Asynchronmaschine
DE102011086181A1 (de) * 2011-11-11 2013-05-16 Robert Bosch Gmbh Nutverschlusskeil für ein Maschinenelement einer elektrischen Maschine
DE102013218822A1 (de) * 2013-09-19 2015-03-19 Robert Bosch Gmbh Nutverschluss für elektrische Maschinen

Also Published As

Publication number Publication date
CN108496295A (zh) 2018-09-04
WO2017129407A1 (fr) 2017-08-03
DE102016201048A1 (de) 2017-07-27

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