WO2019183657A1 - Stator - Google Patents

Stator Download PDF

Info

Publication number
WO2019183657A1
WO2019183657A1 PCT/AT2019/060106 AT2019060106W WO2019183657A1 WO 2019183657 A1 WO2019183657 A1 WO 2019183657A1 AT 2019060106 W AT2019060106 W AT 2019060106W WO 2019183657 A1 WO2019183657 A1 WO 2019183657A1
Authority
WO
WIPO (PCT)
Prior art keywords
grooves
stator
collecting channel
potting compound
electrical conductors
Prior art date
Application number
PCT/AT2019/060106
Other languages
German (de)
English (en)
Inventor
Andreas EILENBERGER
Original Assignee
Miba Aktiengesellschaft
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
Priority claimed from ATA50260/2018A external-priority patent/AT521060A1/de
Application filed by Miba Aktiengesellschaft filed Critical Miba Aktiengesellschaft
Priority to US16/976,935 priority Critical patent/US20200412193A1/en
Priority to CN201980019732.6A priority patent/CN111869059A/zh
Priority to DE112019001547.8T priority patent/DE112019001547A5/de
Publication of WO2019183657A1 publication Critical patent/WO2019183657A1/fr

Links

Classifications

    • 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
    • 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
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
    • 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
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors

Definitions

  • the invention relates to a stator for an electric machine, having a plurality of grooves for receiving in each case at least one electrical conductor, wherein in at least some of the grooves in addition to the at least one electrical conductor in each case at least onedemit telkanal and in the remaining volume of the grooves a potting compound is arranged ,
  • the invention relates to an electrical machine comprising a stator.
  • the invention relates to a method for producing a stator for an electric machine in which a plurality of grooves for receiving at least one electrical conductor are formed, wherein in at least some of the grooves in addition to the at least one electrical conductor in each case at least one coolant channel is formed and the remaining volume of the grooves is filled with a potting compound.
  • the invention also relates to a potting tool for filling grooves for receiving in each case at least one electrical conductor of a stator for an electrical machine with a potting compound comprising a core rod with which the potting compound can be displaced into the grooves as well as a plurality of Lormstäbe or Lormrohre to training of coolant channels can be introduced into the grooves.
  • the invention also relates to a device for introducing electrical conductors into a stator or rotor for an electric machine, comprising feed elements for the introduction of the electrical conductors in grooves of a laminated core for the production of the stator or rotor.
  • DE 10 2014 213 159 A1 describes an arrangement for stator cooling for an electric motor, comprising a stator laminated core comprising a plurality of axially aligned stator laminations and a plurality of axially extending winding slots in the stator laminations for accommodating associated stator windings one of the stator laminations formed radial recess opens, wherein the Ra dialaus predominantlyung communicates for supplying coolant with a pre-arranged on the stator lamination cooling liquid line.
  • the US 2011/0133580 Al describes a variant of a slot cooling, in which coolant channels are formed in the potting compound for the groove, which is introduced for insulation reasons.
  • the advantage here is that no additional cooling ducts drilled who have to or appropriate piping must be provided for this.
  • this publication leaves open how the cooling channels can be introduced into the further coolant supply.
  • the object of the present invention is to provide an improved slot-cooled stator for an electric machine.
  • the object of the invention is achieved in the stator mentioned above in that at least some of thedemittekanäle in the region of at least one axial stator end face via at least one collecting channel with at least one collecting duct wall with each other Strö determination s are connected.
  • the invention is achieved by the method mentioned, after vorgese hen that at least some of thedemittekanäle in the region of at least one axial Stator- stimisation via at least one collecting channel, which is formed with at least one collecting channel wall, are fluidly connected to each other.
  • the invention is also achieved with the casting tool mentioned above, wherein at least one cover is arranged, wherein in the cover a mold element for the formation of a collecting channel with which at least some of the coolant channels flow can be connected, is arranged.
  • the object of the invention is also achieved with the aforementioned device for introducing electrical conductors into a stator or rotor for an electric machine, in which additionally at least one feed element for the introduction of form bars or forming tubes in the grooves as a placeholder for the formation of Coolant channels is arranged.
  • the advantage here is that through the front-end distribution of the coolant to thedemit telkanäle a compact way to supply coolant can be achieved in the grooves of a stator. This makes it possible to use the space available for the electrical machine for availably to increase the achievable power. It is thus easier to represent the integration of the cooling channels in the cooling system.
  • the process for the preparation of the stator of an electric machine can be significantly simplified, as an additional Ar beits Colour omitted.
  • the automated division of the groove volumes on the conductors and the placeholders for the coolant channels with less likelihood of misplacement can be realized.
  • the at least one collector channel wall at least partially consists of a polymer or is made at least partially from a polymer or its precursor so as to maximize the magnetic field of the electric machine during operation little influence.
  • it can be used to improve the corrosion resistance of the cooling system.
  • the polymer is made of the potting compound for the grooves or that the at least one collecting duct wall is made of the potting compound for the grooves. It In this way, the material compatibility of the materials used in the stator can be improved, in particular with regard to different thermal expansions. In addition, this can improve the cost-effectiveness of the process and thus reduce the manufacturing costs of the stator.
  • the at least one collecting channel wall and the potting compound are formed in one piece in the grooves or in one piece. It can thus be improved system integrity. In particular, so that leaks can be better avoided.
  • the at least one collecting channel wall can be used as protection for the stator according to a further embodiment, for which it can be provided that the at least one collecting channel wall, the stator end face completely covers.
  • the Sam melkanal is designed as an annular channel, whereby this is easier to produce from the potting compound or a polymer or its precursor.
  • the at least one collecting duct wall can also be used to pour therein a contact for the electrical conductors and / or a temperature sensor, whereby a further reduction of the manufacturing costs of the stator can be achieved.
  • a temperature sensor also a Popemm ble temperature level of the stator can be maintained during operation by this is integrated into a corresponding regulation or control of the stator cooling.
  • the electrical conductors in the grooves are thus no placeholder for the introduction of electrical conductors in the grooves required.
  • the shaped rods or molding tubes for the formation of the coolant channels are introduced in a device in which Also, the electrical conductors are introduced into the grooves.
  • the form rods or the shaping tubes are introduced into the grooves after the electrical conductors or simultaneously with the electrical conductors. It is thus possible, by the introduction of the form of rods or the molding tubes, the electrical conductors within the grooves still slightly shift, so that at the same time with the introduction of the form of rods or molding tubes, a positioning of the electrical conductors can be done in the grooves.
  • FIG. 1 shows a stator in view in the axial direction.
  • Figure 2 shows a detail of a stator in the region of a groove for receiving the electrical rule ladder.
  • FIG. 3 shows a section of a variant of the stator in the region of a groove for receiving the electrical conductors
  • Fig. 6 shows a variant of a Vergusstechnikmaschinemaschinees in partial section.
  • a stator 1 for an electric machine in end view is shown.
  • the electric machine is in particular a motor or a generator.
  • the electric machine preferably also comprises a rotor, which is arranged to form an air gap to the stator 1 in the electric machine.
  • the rotor may for example be arranged rotationally fixed on a shaft. Due to the generated in the operation of the electric motor as an electric motor is generated due to the generated Mag netfelder the rotor in a rotary motion.
  • the stator 1 can in principle also be used without a rotor for generating a rotating field.
  • the rotor itself may be designed according to the prior art.
  • the stator 1 comprises a number of in a axial direction 2 (Fig. 4) successively arranged sheet metal elements 3 (in particular electrical sheets), which are connected together to form a Blechpa ket, as is known per se.
  • sheet metal elements 3 in particular electrical sheets
  • inwardly open grooves 5 are formed in a Ra dialraum. The exact number of grooves 5 depends on the desired size or power of the electric machine.
  • the grooves 5 may have a variety of cross-sectional shapes (viewed in the direction of the axial direction 2), as indicated in Fig. 1 by means of grooves 5, which are shown in the lower left Quadran th.
  • the grooves 5 may have a round, an oval, a rectangular, a square, a trapezoidal, etc. cross-sectional shape.
  • the grooves 5 of a stator 1 preferably all have the same cross-sectional shape, although mixed variants are possible with at least two under different cross-sectional shapes.
  • the grooves 5 are formed open in the radially inner end region.
  • this Be is performed rich on the narrowest, so that the grooves 5 so in the radial direction 4 are wider towards the outside (each viewed in cross-section in the radial direction 4).
  • the grooves 5 serve to receive at least one electrical conductor 6 per groove 5.
  • the electrical conductors 6 form the stator windings. These are indicated in Fig. 1 only in a groove 5.
  • the electrical conductors 6 may be made of a wire.
  • the wire can, for example, therefore, be round wire (FIG. 1) or flat wire (FIG. 2).
  • the stator windings 6 may preferably be designed as so-called hair pins or I pins.
  • one or more electrical conductors 6 may be provided, as indicated by four electrical conductors 6 by way of example in Figs. 1 or six electrical conductors 6 at play in Figs. 2 and 3.
  • the number of electrical conductors 6 shown in detail is not intended to be restrictive.
  • the position shown in the figures konk ret and their orientation of the electrical conductor 6 within the grooves 5 is not restrictive to understand.
  • At least one coolant channel 7 is arranged in at least some of the grooves 5, preferably in all the grooves 5.
  • Thesedeffenka channels 7 serve to receive a cooling fluid, in particular a cooling liquid which flows through these coolant channels 7 for cooling the stator 1.
  • a plurality of coolant channels 7 may be arranged in at least one of the grooves 5, for example two or three, which may also be flowed through in different directions by the cooling fluid.
  • the exact location of the coolant channel 7, as shown in the figures, is not to be understood as mitier Schl.
  • the illustrated cross-sectional shape is not limited to ver.
  • the coolant channels can be circular, oval, rectangular, square, etc. (each viewed in cross-section in the radial direction 4).
  • the at least one coolant channel 6 is in the groove 5 subsequent to the ra dial inner beginning of the groove 5 (in particular in the radial direction 4 to the outside and subsequently chd to the narrowed portion of the groove 5), as shown in Fig. 2, or in the groove 5 and (immediately) adjacent to the radially outer groove bottom, as shown in Fig. 3, arranged or formed.
  • the stator 1 is produced by full potting, as will be explained nä ago hereafter.
  • the space between the electrical conductors 6 is filled in the grooves 5 with a potting compound 8, as shown with reference to a section of the stator 1 in the region of a groove 5 in Fig. 2 and Fig. 3.
  • the potting compound may correspond to the prior art, for example, be a thermosetting casting resin. Examples of the type of casting resins are polyester resins, epoxy resins, etc.
  • the at least one collecting channel 10 serves to supply the cooling fluid to the coolant channels 7. After the cooling fluid via the collecting channel 10 on the coolant channels 7 ver shares, this can also be referred to as a distribution channel.
  • the cooling fluid is withdrawn from the coolant channels 7 on the at least one collecting channel 10 along the axial direction 2 opposite end of the stator 1 individually per coolant channel 7, an embodiment is preferred in which at this other end a collection channel 10 is arranged with at least one Sam melkanalwand 11, in which the cooling fluid for further removal, for example, is collected to a heat exchanger of the cooling system, as shown in Fig. 3.
  • At least individual, in particular all, coolant channels 7 extend from the collecting channel 10 at one end face of the stator 1 through the grooves 5 in the sheet metal elements 3 in the axial direction 2 and open into the second collecting channel 10 at the other end of the stator 1.
  • the coolant channels 7 are preferably formed exclusively by the groove filling, so in particular the potting compound 8, ie there are no dedicated pipe or hose lines are provided for this purpose.
  • the side walls of the cooling medium channels of the groove filling, in particular the potting compound 8 are formed.
  • coolant channels 7 it is possible, although not preferred, for the coolant channels 7 to be formed by separate pipe or hose lines which are introduced into the grooves 5 before they are filled.
  • the cooling fluid flows from one end face to the other end face of the stator 1 and then leaves the stator 1 at this end face.
  • the supply and removal of the cooling fluid to and from the stator 1 thus takes place on different sides of the stator 1
  • the cooling fluid is deflected at one end face of the stator 1 and again flows through the stator 1 in the opposite direction.
  • the supply and the removal of the cooling fluid can therefore also take place on an end face of the stator 1.
  • the collecting channel 10 for the supply of the cooling fluid to and the collecting channel 10 for the removal of the cooling fluid from the coolant channels 7 are arranged on an end face of the stator 1. On the second end face of the stator 1, a further collecting channel 10 may be located. However, there is also the possibility that the coolant channels 7 have at this two th end face of the stator 1, a deflection, so for example, U-shaped out forms.
  • the preferred embodiment of the stator 1, for the preparation of a polymer or its precursor can be used ver generally. It is also possible for the filling of the grooves 5, a polymer or its precursor is used, in particular the polymer that may optionally be used for the production of the at least one collecting channel 10. In the case of the use of a precursor for the polymer, this polymerized after filling the grooves 5 who the.
  • the potting compound 8, however, is usually crosslinked.
  • a polymer is understood to mean a material consisting of organic, synthetic or natural, macromolecules of interconnected monomers.
  • the polymer or potting compound 8 additives are added, such as ceramic or metal filaments, so as to stiffen the To reach collecting duct side wall 11.
  • other stiffening elements such as lattice-shaped or rod-shaped stiffeners, can be embedded in the collecting duct side wall 11.
  • the collecting channel 10 or the collecting duct wall 11 can be produced as a separate component and then connected to the coolant channels 7. However, it is preferred that at least one collection channel 10, i. the at least one collecting channel wall 11, with the cooling medium channels 7, i. with the potting compound 8 of the grooves 5, formed in one piece.
  • the at least one collecting channel wall 11 and the collecting channel walls 11 can cover only a portion of the stator end face (s) 9, so that therefore the end plates of the laminated core of the stator 1 are still partially visible when viewed in the direction of the axial direction 2.
  • the stator end face 9 completely covers, as shown in Fig. 5.
  • the representation of the grooves 5 was omitted in Fig. 5 ver.
  • the collection channel 10 and the end of the coolant channels 7 can be seen in dotted lines.
  • FIG. 5 also shows a further preferred embodiment of the stator 1, in which the at least one collecting channel 10 is designed as an annular channel.
  • the Sammelka signal 10 but also have a different, suitable shape.
  • the cross-sectional shape of the collecting channel 10 viewed in the direction of a circumferential direction 12 of the stator 1
  • the open cross-sectional area between the at least egg nen collecting channel wall 11 this circular, oval, square, rectangular, etc. can be out leads.
  • stator 1 can be provided that at least one further component is embedded in the at least one collecting channel wall 11.
  • a contact for the electrical conductors 6 and / or at least one tempera ture sensor 14 are poured into the at least one collecting channel wall 11.
  • the Kunststoffie tion 13 and the temperature sensor 14 are shown in Fig. 5 only indicated by dashed lines.
  • the stator 1 for an electric machine it is preferably provided that at least a plurality of the grooves 5 for receiving the electrical conductors 6 coolant channels 7 are formed by pouring the grooves 5 with the potting compound 8, and in that at least some of the coolant passages 7 in the region are connected to one another at least one of the axial stator stop surfaces 9 via the at least one collecting channel 10.
  • a polymer or its precursor or, in particular, the potting compound 8 can be used to fill in the grooves 5.
  • the pouring of the grooves 5 is preferably carried out in Vollvergussclar.
  • Fig. 6 which is provided with the electrical conductors 6 (Fig. 2 and 3) provided Blechpa ket in a casting tool 15.
  • a low-viscosity degassed potting compound 8 is used.
  • the method for further reduction of Lucasein conclusions can also be performed under vacuum, including the casting tool 15 can be placed in a corresponding device for evacuation.
  • mold bars 18 or molding tubes or tubes are inserted into the grooves 5.
  • correspondingly shaped cores (generally also referred to as placeholders) inserted, which are removed after filling the grooves 5 with the potting compound 8 again, as soon as the potting compound 8 has the necessary strength to it.
  • the mold bars 18 or molding tubes or cores may for example consist of polytetrafluoroethylene or have such Be coating.
  • the at least one collecting channel wall 11 and thus the Sam melkanal 10 can be made separately and connected to the coolant channels 7, for example, glued be.
  • the at least one collecting channel wall 11 is provided together with the coolant channels 7 ago, so made in one piece with it.
  • the potting tool for this purpose may have a cover 19, in which at least one mold element 20 for the formation of the at least one collecting channel 10 and the at least one collecting channel wall 11 is arranged or removable det.
  • the casting tool 15 may have a further such cover 19. This can also be formed by the bottom of the Vergussiatas 15.
  • the grooves 5 can also be filled with another method with the potting compound 8 ge, for example by means of hot dipping or trickling.
  • the full potting method is preferred.
  • the collecting channel 10 and the collecting channels 10 are preferably formed as closed channels. But there is also the possibility of this e.g. Make in the form of a half shell and then close it with another half shell.
  • the collecting channel 10 or the collecting channels 10 preferably each have at least one connection 21 (FIG. 4, FIG. 5) for the supply or removal of the cooling fluid into or out of the collecting channel 10 or collecting channels 10, respectively at different Places can be placed, as shown by two examples in the figures.
  • the mold rods 18 or molded tubes into the grooves 5 is introduced, and that additionally before the introduction of the potting compound in the grooves 5, the electrical conductors be introduced into the grooves 5.
  • gegebsch pending, variant of the invention it can be provided that the form of bars 18 or mold tubes for the formation of the coolant channels 7 are introduced in a device in which the electrical Lei tern 6 are introduced into the grooves 5.
  • This device may for example be any known, but adapted for the introduction of the forming tubes winding machine. If, instead of a winding, pins are used as electrical conductors 6, this device can be a corresponding machine, as it is used for inserting the pins into the stator laminations.
  • the device for introducing the electrical conductors 6 in a stator or rotor for the electric machine can be carried out conventionally per se, and accordingly have to guide elements for the introduction of the electrical conductors 6 in the grooves 5 of a laminated core for the manufacture of the stator or rotor.
  • the device has at least one feeding element for the introduction of form bars 18 or forming tubes into the grooves 5 as a placeholder for the formation of coolant channels 7, starting from the deviation from the Vorrichutngen known from the prior art. If only one feed element is used, all grooves 5 can be equipped with the placeholders at the same time.
  • the feed element can have a number of fingers corresponding to the grooves 5, on which the form bars 18 or shaping tubes are arranged.
  • the relative position of the fingers to each other depends on the position of the grooves 5 in the laminated core.
  • the shaping tubes or shaped rods 18 it is also possible for the shaping tubes or shaped rods 18 to be introduced into the grooves 5 individually or in groups, with the result that a correspondingly larger number of feed elements are also present here.
  • the groups each comprise only a fraction of the total number of molding tubes or mold bars 18, wherein the sum of all groups Grup the total number of mold tubes or mold bars 18 results.
  • the electrical conductors 6 are introduced into the grooves 5 in the latter after the arrangement of the shaped rods 18 or the molding tubes. According to a preferred embodiment, however, it may be provided that the shaped rods 18 or shaping tubes are introduced into the grooves 5 after the electrical conductors 6 or simultaneously with the electrical conductors 6. In this case, the individual grooves 5 can be successively filled with the electrical conductors 6 and the form bars 18 or forming tubes or divided into groups at the same time or all grooves 5 are filled simultaneously.
  • the inven tion also includes a method for producing a stator 1 for an electric machine in which a plurality of grooves 5 for receiving at least one electrical conductor 6 are madebil det, wherein in at least some of the grooves 5 in addition to the at least one electrical conductor 6 each at least one coolant channel 7 is formed and the remaining residual volume of the grooves 5 is filled with a potting compound 8, wherein the form of bars 18 or molding tubes for the formation of the coolant channels 7 are introduced in a device in which the electrical conductors 6 in the Grooves 5 are introduced.

Abstract

L'invention concerne un stator (1) destinée à une machine électrique et comportant une pluralité de gorges destinées à recevoir au moins un conducteur électrique. Au moins un conduit d'agent de refroidissement est disposé dans au moins certaines des gorges en plus de l'au moins un conducteur électrique et un composé d'enrobage est disposé dans le volume restant des gorges. Au moins certains des conduits d'agent de refroidissement sont reliés fluidiquement les uns aux autres dans la région d'au moins une surface d'extrémité de stator (9) axiale par le biais d'au moins un conduit collecteur (10) pourvu d'au moins une paroi de conduit collecteur (11).
PCT/AT2019/060106 2018-03-27 2019-03-27 Stator WO2019183657A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US16/976,935 US20200412193A1 (en) 2018-03-27 2019-03-27 Stator
CN201980019732.6A CN111869059A (zh) 2018-03-27 2019-03-27 定子
DE112019001547.8T DE112019001547A5 (de) 2018-03-27 2019-03-27 Stator

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ATA50260/2018A AT521060A1 (de) 2018-03-27 2018-03-27 Stator
ATA50260/2018 2018-03-27
ATA50729/2018 2018-08-24
ATA50729/2018A AT521063A3 (de) 2018-03-27 2018-08-24 Stator

Publications (1)

Publication Number Publication Date
WO2019183657A1 true WO2019183657A1 (fr) 2019-10-03

Family

ID=66349204

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2019/060106 WO2019183657A1 (fr) 2018-03-27 2019-03-27 Stator

Country Status (1)

Country Link
WO (1) WO2019183657A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3852240A1 (fr) * 2020-01-14 2021-07-21 Hamilton Sundstrand Corporation Moteur électrique doté de canaux de refroidissement
DE102020102776A1 (de) 2020-02-04 2021-08-05 Audi Aktiengesellschaft Kühlen eines Wicklungskopfs einer rotierenden elektrischen Maschine
DE102020117267A1 (de) 2020-07-01 2022-01-05 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Statoranordnung mit Kühlung
AT524472A1 (de) * 2020-12-03 2022-06-15 Miba Emobility Gmbh Stator für eine elektrische Maschine
DE102021114737A1 (de) 2021-06-08 2022-12-08 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Stator für eine elektrische Maschine, elektrische Maschine, Kraftfahrzeug
EP4300777A1 (fr) 2022-06-27 2024-01-03 Lotus Tech Innovation Centre GmbH Dispositif de stator à refroidissement de fente

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006174637A (ja) * 2004-12-17 2006-06-29 Nissan Motor Co Ltd 回転電機のステータ製造方法
US20110133580A1 (en) 2009-12-04 2011-06-09 Hitachi, Ltd. Rotating Electrical Machine
EP2372882A1 (fr) * 2010-04-05 2011-10-05 General Electric Company Surveillance de la réduction du flux de refroidissement des têtes d'enroulement du stator
US20130140924A1 (en) * 2011-12-06 2013-06-06 Dale Glubrecht Electric machine module cooling system and method
DE102014213159A1 (de) 2014-07-07 2016-01-07 Deere & Company Anordnung zur Statorkühlung eines elektrischen Motors
US20170063200A1 (en) * 2015-08-29 2017-03-02 Abb Technology Ltd. Fluid-cooled stator assemblies having multilayer and multifunctional tubing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006174637A (ja) * 2004-12-17 2006-06-29 Nissan Motor Co Ltd 回転電機のステータ製造方法
US20110133580A1 (en) 2009-12-04 2011-06-09 Hitachi, Ltd. Rotating Electrical Machine
EP2372882A1 (fr) * 2010-04-05 2011-10-05 General Electric Company Surveillance de la réduction du flux de refroidissement des têtes d'enroulement du stator
US20130140924A1 (en) * 2011-12-06 2013-06-06 Dale Glubrecht Electric machine module cooling system and method
DE102014213159A1 (de) 2014-07-07 2016-01-07 Deere & Company Anordnung zur Statorkühlung eines elektrischen Motors
US20170063200A1 (en) * 2015-08-29 2017-03-02 Abb Technology Ltd. Fluid-cooled stator assemblies having multilayer and multifunctional tubing

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3852240A1 (fr) * 2020-01-14 2021-07-21 Hamilton Sundstrand Corporation Moteur électrique doté de canaux de refroidissement
US11876405B2 (en) 2020-01-14 2024-01-16 Hamilton Sundstrand Corporation Electric motor with cooling channels
DE102020102776A1 (de) 2020-02-04 2021-08-05 Audi Aktiengesellschaft Kühlen eines Wicklungskopfs einer rotierenden elektrischen Maschine
DE102020117267A1 (de) 2020-07-01 2022-01-05 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Statoranordnung mit Kühlung
DE102020117267B4 (de) 2020-07-01 2022-01-20 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Statoranordnung mit Kühlung
AT524472A1 (de) * 2020-12-03 2022-06-15 Miba Emobility Gmbh Stator für eine elektrische Maschine
DE102021114737A1 (de) 2021-06-08 2022-12-08 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Stator für eine elektrische Maschine, elektrische Maschine, Kraftfahrzeug
EP4102684A1 (fr) * 2021-06-08 2022-12-14 Dr. Ing. h.c. F. Porsche Aktiengesellschaft Stator pour une machine électrique, machine électrique, véhicule automobile
EP4300777A1 (fr) 2022-06-27 2024-01-03 Lotus Tech Innovation Centre GmbH Dispositif de stator à refroidissement de fente

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