WO2017046952A1 - Machine électrique tournante - Google Patents

Machine électrique tournante Download PDF

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Publication number
WO2017046952A1
WO2017046952A1 PCT/JP2015/076732 JP2015076732W WO2017046952A1 WO 2017046952 A1 WO2017046952 A1 WO 2017046952A1 JP 2015076732 W JP2015076732 W JP 2015076732W WO 2017046952 A1 WO2017046952 A1 WO 2017046952A1
Authority
WO
WIPO (PCT)
Prior art keywords
stator
coil
rotor
core
stator core
Prior art date
Application number
PCT/JP2015/076732
Other languages
English (en)
Japanese (ja)
Inventor
昭仁 豊田
真一郎 向
広一 福村
宏之 前澤
大戸　基道
Original Assignee
株式会社安川電機
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 株式会社安川電機 filed Critical 株式会社安川電機
Priority to PCT/JP2015/076732 priority Critical patent/WO2017046952A1/fr
Priority to JP2016052777A priority patent/JP6428684B2/ja
Priority to CN201610154199.2A priority patent/CN106549515B/zh
Publication of WO2017046952A1 publication Critical patent/WO2017046952A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/16—Stator 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
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • 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

Definitions

  • This disclosure relates to a rotating electrical machine.
  • Patent Document 1 discloses a rotating electrical machine that includes a stator that generates a rotating magnetic field, and a rotor that is arranged on the inner peripheral side of the stator and rotates according to the rotating magnetic field.
  • the rotor has a plurality of permanent magnets arranged in the rotation direction of the rotor, and a rotor core interposed between the permanent magnets.
  • This disclosure aims to provide a rotating electric machine with higher output.
  • a rotating electrical machine includes a stator that generates a rotating magnetic field, and a rotor that is arranged on an inner peripheral side of the stator and rotates according to the rotating magnetic field, and the stator includes a stator core that includes a slot; A coil disposed in the slot, the coil having a molding surface that follows the surface of the stator core, and at least one of the stator core surface and the coil molding surface facing each other from the other of the surface and the molding surface The receding surface which goes away is partially formed.
  • FIG. 2 is a cross-sectional view taken along the line II-II in FIG. It is sectional drawing in the cross section perpendicular
  • FIG. 3 is a cross-sectional view of the rotor taken along line VIII-VIII in FIG. 2.
  • FIG. 3 is an end view of the rotor taken along line IX-IX in FIG. 2.
  • It is sectional drawing of the rotary electric machine in alignment with a central axis which shows another example of arrangement
  • the motor (rotating electric machine) 1 is, for example, a synchronous motor with a built-in permanent magnet.
  • the motor 1 can be used as a power source of an electric device, for example.
  • the motor 1 includes a motor case 10, a stator 20, and a rotor 30.
  • the motor case 10 houses the stator 20 and the rotor 30.
  • the motor case 10 includes a cylindrical frame 11, and a first bracket 12 and a second bracket 13 that close both ends of the frame 11.
  • the first bracket 12 is attached to a motor mount to be driven.
  • the stator 20 generates a rotating magnetic field.
  • the stator 20 includes, for example, a plurality of coils 21 and a stator core 24.
  • Stator core 24 includes a yoke 24a and a plurality of teeth 24b.
  • the yoke 24a is annular, and is fixed to the inner surface of the frame 11 with its center axis Ax1 being along the center axis of the frame 11.
  • the plurality of teeth 24b are disposed so as to surround the central axis Ax1 of the yoke 24a, and project from the inner peripheral surface of the yoke 24a toward the central axis Ax1.
  • the yoke 24a and the teeth 24b may be a laminate of electromagnetic steel plates or may be a compression-molded soft magnetic composite material (SMC).
  • the stator core 24 may be divided into a plurality of blocks 25 surrounding the central axis Ax1, and the teeth 24b may be provided for each block 25. Each of the teeth 24 b may be located at the center of the block 25 in the circumferential direction of the stator core 24.
  • the plurality of coils 21 are respectively attached to the plurality of teeth 24b.
  • the strands of the coil 21 are accommodated between the adjacent teeth 24b in a state of surrounding the teeth 24b. That is, between the teeth 24b is a slot 26 for accommodating the coil 21, and the coil 21 is wound around the tooth 24b.
  • the stator core 24 includes the slot 26, and the coil 21 is disposed in the slot 26.
  • the coil 21 may be integrated with the stator core 24 by molding using a resin material.
  • Driving power (for example, three-phase AC power) is supplied to the plurality of coils 21 via the connection part 22.
  • the plurality of coils 21 generate a rotating magnetic field around the central axis Ax1 according to the supply of driving power.
  • the connection part 22 is provided between the coil 21 and the 2nd bracket 13, for example.
  • the stator 20 may further include an insulator 27.
  • the insulator 27 has electrical insulation and is interposed between the stator core 24 and the coil 21.
  • the insulator 27 is, for example, a resinous thin member.
  • the insulator 27 includes a cylindrical portion 27a mounted around the teeth 24b, and a flange portion 27b projecting from the end of the cylindrical portion 27a to the outer peripheral side on the yoke 24a side.
  • the shape of the insulator 27 can be appropriately changed according to the shape of the stator core 24. Further, the thickness and material of the insulator 27 can be appropriately set according to the electrical insulation performance to be secured between the coil 21 and the stator core 24.
  • the insulator 27 may be integrated with the coil 21 and the stator core 24 by molding using, for example, a resin material.
  • the coil 21 may have a molding surface 21 a that follows the surface 24 c of the stator core 24. As shown in FIG. 4, the coil 21 may further include a molding surface 21 b that follows the inner surface (the surface on the second bracket 13 side) 12 a of the first bracket 12.
  • the molding surfaces 21a and 21b are formed by press-molding the coil 21, for example.
  • the coil 21 is press-molded by compressing a coil 21 formed by winding an element wire 51 with a molding die (for example, a die) 50 as indicated by an arrow A. It is formed by pressing the inner surface 50 a against the outer surface of the coil 21.
  • the molding surfaces 21a and 21b which respectively follow the said surface 24c and the inner surface 12a are formed by making the inner surface shape of the shaping
  • the gap between the coil 21 and the stator core 24 can be reduced, and the cross-sectional area of the coil 21 can be enlarged within a limited space.
  • the molding surface 21 b on the coil 21 the gap between the coil 21 and the first bracket 12 can be reduced, and the cross-sectional area of the coil 21 can be further enlarged.
  • the wire 51 is thickened without changing the number of turns of the coil 21, and heat generation due to the electric resistance of the wire 51 is suppressed. Temperature rise can be suppressed.
  • the gap between the coil 21 and the stator core 24 and reducing the gap between the coil 21 and the first bracket 12 an improvement in heat dissipation from the coil 21 is also expected. Thereby, the temperature rise of the coil 21 can further be suppressed.
  • the input current to the coil 21 can be increased without increasing the motor 1 and the output of the motor 1 can be improved.
  • At least one of the surface 24c of the stator core 24 and the molding surface 21a of the coil 21 may be partially formed with a receding surface 23 away from the other of the surface 24c and the molding surface 21a.
  • the receding surface 23 may be formed on the molding surface 21a.
  • the receding surface 23 is formed so as to be away from the surface 24 c of the stator core 24.
  • the receding surface 23 of the molding surface 21a can be formed by the press molding described above.
  • the receding surface 23 may be provided on the surface 24 c of the stator core 24.
  • the receding surface 23 is provided so as to be away from the molding surface 21 a of the coil 21.
  • the case where the receding surface 23 is formed in the molding surface 21a is demonstrated in detail.
  • the receding surface 23 may be provided at a position corresponding to the edge of the insulator 27.
  • the receding surface 23 may be provided at a position corresponding to at least a part of the peripheral edge portion 27c at the tip (end on the central axis Ax1 side) of the cylindrical portion 27a.
  • the position corresponding to the peripheral part 27c means the position where the space between the receding surface 23 and the insulator 27 is formed in the peripheral part 27c. The same applies to the following.
  • the receding surface 23 may be provided at a position corresponding to at least a part of the peripheral edge portion 27d of the flange portion 27b.
  • the receding surface 23 may extend along the central axis Ax1.
  • the receding surface 23 may be provided in a portion along the central axis Ax1 in the peripheral portions 27c and 27d. As shown in FIG.3 and FIG.4, the receding surface 23 may be provided over the perimeter of the peripheral parts 27c and 27d.
  • the space S formed between the receding surface 23 and the surface 24c of the stator core 24 may be filled with resin. That is, the stator 20 may further include a resin portion 28 formed between the stator core 24 and the coil 21 at a position corresponding to the receding surface 23. This resin may be the resin for molding described above.
  • the space S may be a cavity that is not filled with resin.
  • the size of the space S between the receding surface 23 and the stator core 24 is preferably sufficiently smaller than the cross-sectional area of the coil 21 in the direction perpendicular to the central axis Ax1.
  • the size of the space S is determined according to the following two conditions, for example.
  • the first condition is that the creepage distance between the coil 21 and the stator core 24 can be secured to a degree sufficient to maintain the electrical insulation between the coil 21 and the stator core 24.
  • the second condition is that the space S can be filled with resin in the molding.
  • FIG. 7 is a perspective view of the rotor 30.
  • the rotor 30 is disposed on the inner peripheral side of the stator 20 and rotates according to a rotating magnetic field generated by the stator 20.
  • the rotor 30 includes a shaft 31 extending along the central axis Ax1, a plurality (ten in this embodiment) of permanent magnets 35, a rotor core 36, and a plate 38.
  • the shaft 31 is disposed along the central axis Ax1 of the stator 20.
  • the shaft 31 is rotatably held around the central axis Ax1 by the first bearing 14 provided on the first bracket 12 and the second bearing 15 provided on the second bracket 13.
  • the rotor 30 is rotatable around the central axis Ax1. That is, the central axis Ax1 is the rotation axis of the rotor 30.
  • the first bearing 14 and the second bearing 15 include a rolling bearing and a sliding bearing.
  • the one end 31 a of the shaft 31 penetrates the first bracket 12.
  • the one end 31 a functions as an output shaft of the motor 1.
  • the other end 31 b of the shaft 31 passes through the second bracket 13.
  • the other end 31b can be used for detecting a rotation angle or the like.
  • the other end 31b may be connected to a rotary shaft of a rotary encoder 41 provided outside the second bracket 13 (on the opposite side of the first bracket 12).
  • the plurality of permanent magnets 35 are arranged on the outer periphery of the shaft 31 so as to be aligned in the rotational direction of the rotor 30. In other words, the plurality of permanent magnets 35 are arranged so as to surround the shaft 31.
  • the permanent magnets 35 each have a flat plate shape extending along the central axis Ax1, and are arranged radially when viewed from the extended line of the central axis Ax1.
  • the permanent magnet 35 is arranged so that its magnetization direction is along the rotation direction of the rotor 30. That is, the N pole and S pole of the permanent magnet 35 are arranged along the rotation direction of the rotor 30. Further, the magnetization directions of the permanent magnets 35 adjacent to each other in the rotation direction of the rotor 30 are opposite to each other. That is, between the adjacent permanent magnets 35, the N poles or the S poles face each other.
  • the rotor core 36 is interposed between the permanent magnets 35.
  • the rotor core 36 is fixed to the shaft 31 and guides the magnetic flux of the permanent magnet 35 to the rotor core 36 side.
  • the rotor core 36 may include a plurality of (10 in this embodiment) core blocks 37 that are alternately arranged with the permanent magnets 35 in the rotation direction of the rotor 30.
  • the plurality of core blocks 37 may be separated from each other, and may be fixed to the outer periphery of the shaft 31.
  • the permanent magnet 35 and the rotor core 36 form a field in which magnetic poles (N poles) that emit magnetic flux to the stator 20 side and magnetic poles (S pole) that receive magnetic flux from the stator 20 side are alternately arranged. .
  • the rotor core 36 is made of a magnetic material such as a soft magnetic material.
  • the rotor core 36 may be a laminated body of electromagnetic steel plates.
  • the rotor core 36 may be configured by stacking electromagnetic steel plates in a direction along the central axis Ax1 and integrating them by caulking in the caulking portion 36a (see FIG. 8).
  • the method for fixing the electromagnetic steel sheets is not limited to caulking.
  • the electromagnetic steel plates may be fixed to each other by passing a pin along the central axis Ax1 through each electromagnetic steel plate.
  • each of the core blocks 37 is configured, for example, by stacking sector-shaped electromagnetic steel plates in a direction along the central axis Ax1.
  • the rotor core 36 is configured not to hang on the outer periphery of the permanent magnet 35 (side surface 35a on the stator 20 side). In other words, the rotor core 36 is configured so as not to overlap the permanent magnet 35 in the radial direction of the rotor 30 on the outer peripheral side of the permanent magnet 35.
  • the rotor core 36 opens toward the stator 20 at an interval equal to or greater than the thickness of the permanent magnet 35 in the rotation direction of the rotor 30. That is, the space between the core blocks 37 is open to the stator 20 side at an interval equal to or greater than the thickness of the permanent magnet 35 in the rotation direction of the rotor 30.
  • the rotor core 36 may be hooked on a part of the side surface 35a of the permanent magnet 35 on the stator 20 side, and only a part of the side surface 35a may be exposed on the stator 20 side.
  • the rotor core 36 may be configured not to be applied to the inner periphery (side surface 35b on the central axis Ax1 side) of the permanent magnet 35.
  • the rotor core 36 may be configured so as not to overlap the permanent magnet 35 in the radial direction of the rotor 30 on the inner peripheral side of the permanent magnet 35.
  • the rotor core 36 opens to the shaft 31 side at equal intervals or more with respect to the thickness of the permanent magnet 35 in the rotation direction of the rotor 30. That is, the space between the core blocks 37 is open toward the shaft 31 at an interval equal to or greater than the thickness of the permanent magnet 35 in the rotation direction of the rotor 30.
  • the rotor core 36 may be hooked on a part of the side surface 35b on the central axis Ax1 side of the permanent magnet 35, and only a part of the side surface 35b may be exposed on the central axis Ax1 side.
  • the rotor core 36 is divided into a plurality of core blocks 37, it is possible to easily configure a state in which the rotor core 36 does not reach both the outer periphery and the inner periphery of the permanent magnet 35.
  • At least a portion 31 c of the shaft 31 fixed to the rotor core 36 may be made of a low magnetic material having a lower magnetic permeability than the magnetic permeability of the rotor core 36.
  • the relative magnetic permeability of the low magnetic material is, for example, 500 or less, preferably 100 or less, and more preferably 50 or less.
  • Examples of the low magnetic material include a nonmagnetic stainless material.
  • the portion 31c is referred to as a “low magnetic portion 31c”.
  • the low magnetic portion 31c may have at least one convex portion 31d fitted into the rotor core 36.
  • the rotor core 36 is provided with a concave portion 36b having a shape corresponding to the convex portion 31d, and the convex portion 31d is fitted into the concave portion 36b.
  • the convex portion 31d extends, for example, along the central axis Ax1.
  • the convex portion 31d may be disposed between the adjacent permanent magnets 35.
  • the convex portion 31d may have a shape that expands toward the outer peripheral side.
  • the low magnetic portion 31 c may have a plurality of convex portions 31 d arranged alternately with the permanent magnet 35 in the rotation direction of the rotor 30.
  • the shaft 31 having the convex portion 31d is synonymous with the shaft 31 having the concave portion 31e.
  • the portions other than the low magnetic portion 31 c of the shaft 31 may be made of the above-described low magnetic material, or may be made of the same soft magnetic material as the rotor core 36.
  • the shaft 31 may be divided into a shaft body 32 and a low magnetic pipe 33 attached to the outer periphery of the shaft body 32.
  • the shaft body 32 and the low magnetic pipe 33 are fixed to each other, for example, by shrink fitting or press fitting.
  • the constituent material of the shaft body 32 can be appropriately selected from the viewpoint of strength and the like.
  • the low magnetic pipe 33 is made of the above-described low magnetic material, and includes the low magnetic portion 31c on the outer periphery thereof. That is, the rotor core 36 is fixed to the outer periphery of the low magnetic pipe 33.
  • the plate 38 is disposed so as to overlap the rotor core 36 along the central axis Ax1. As shown in FIGS. 2, 7, and 9, the plate 38 is configured to be engaged with the outer periphery of the permanent magnet 35 (the side surface 35 a on the stator 20 side). With this configuration, the plate 38 restricts the movement of the permanent magnet 35 in the radial direction around the central axis Ax1, and fixes the permanent magnet 35.
  • the plate 38 may be configured to be applied to the inner periphery (side surface 35b on the side of the central axis Ax1) of the permanent magnet 35.
  • the plate 38 has a circular outer shape concentric with the shaft 31.
  • the plate 38 has a hole 38a at the center thereof, and further includes a plurality of holes 38b surrounding the hole 38a.
  • the shaft 31 is passed through the hole 38a, and the plurality of permanent magnets 35 are passed through the plurality of holes 38b.
  • the outer diameter of the plate 38 may be equal to the outer diameter of the rotor core 36. Accordingly, the outer periphery of the permanent magnet 35 may be positioned closer to the central axis Ax1 than the outer periphery of the rotor core 36.
  • the inner diameter of the plate 38 may be equal to the inner diameter of the rotor core 36. Accordingly, the inner periphery of the permanent magnet 35 may be located closer to the stator 20 than the outer periphery of the rotor core 36. That is, the inner periphery of the permanent magnet 35 may be separated from the outer periphery of the shaft 31.
  • the rotor 30 may have a plurality of plates 38.
  • the plurality of plates 38 may be arranged so as to sandwich the rotor core 36 in the direction in which the central axis Ax1 extends.
  • the plurality of plates 38 may include two plates 38 disposed at both ends of the rotor core 36 in the direction in which the central axis Ax1 extends.
  • the plate 38 may be disposed at a position that does not overlap the teeth 24b in the direction along the central axis Ax1 (see FIG. 2). Note that the rotor 30 does not necessarily have a plurality of plates 38.
  • the plate 38 may be disposed at any position between both ends of the rotor core 36 instead of both ends of the rotor core 36 in the direction in which the central axis Ax1 extends.
  • the number of plates 38 may be one or plural.
  • three plates 38 may be provided at both ends and the center of the rotor core 36 in the direction along the central axis Ax ⁇ b> 1.
  • the material constituting the plate 38 may have a lower magnetic permeability than the material constituting the rotor core 36.
  • the plate 38 may be made of the above-described low magnetic material.
  • the convex portion 31 d may be fitted into the plate 38 in addition to the rotor core 36.
  • the plate 38 is provided with a concave portion 38c having a shape corresponding to the convex portion 31d, and the convex portion 31d is fitted into the concave portion 38c.
  • the core blocks 37 may be integrated via a plate 38.
  • the plurality of core blocks 37 may be grouped together by being attached to the plate 38.
  • the plate 38 may be fixed to the rotor core 36 by performing a caulking process in the caulking portion 38d corresponding to the caulking portion 36a, for example.
  • the plate 38 may be fixed to the rotor core 36 by allowing the pins to penetrate the plate 38.
  • the magnetic flux which passes along the magnetic path R3 which circulates through the inner peripheral side of the permanent magnet 35 without passing through the stator 20 is reduced.
  • the magnetic flux passing through the magnetic path R3 is further reduced.
  • the motor 1 includes a stator 20 that generates a rotating magnetic field, and a rotor 30 that is arranged on the inner peripheral side of the stator 20 and rotates according to the rotating magnetic field.
  • the stator 20 includes a stator core 24 that includes a slot 26, and a slot 26.
  • the coil 21 has molding surfaces 21a and 21b that follow the surface 24c of the stator core 24, and the surface 24c of the stator core 24 and the molding surfaces 21a and 21b of the coil 21 that face each other. At least one of them is partially formed with a receding surface 23 away from the other of the surfaces 24c and 21a, 21b.
  • the coil 21 is brought close to the stator core 24 by providing the molding surfaces 21 a and 21 b, and the coil 21 and the stator core 24 are separated by providing the receding surface 23 in the portion where the insulation should be strengthened.
  • the cross-sectional area of the coil 21 can be increased while maintaining reliability. Therefore, a large current can be passed through the coil 21.
  • the heat dissipation of the coil 21 is improved. Therefore, a large current can be passed through the coil 21 while suppressing the temperature rise of the coil 21. As a result, the output of the motor 1 can be improved.
  • the stator 20 may further include a resin portion 28 formed between the stator core 24 and the coil 21 at a position corresponding to the receding surface 23.
  • electrical insulation between the stator core 24 and the coil 21 can be enhanced by interposing a resin between the coil 21 and the stator core 24 at a position corresponding to the receding surface 23.
  • the receding surface 23 may be formed on the molding surface 21 a of the coil 21. In this case, the receding surface 23 can be easily formed by the molding die 50 for forming the molding surface 21a by pressing.
  • the stator 20 further includes an insulator 27 that is interposed between the stator core 24 and the coil 21 and has electrical insulation, and the receding surface 23 is provided at a position corresponding to the edges (peripheral portions 27 c and 27 d) of the insulator 27. It may be done. In this case, the distance between the coil 21 and the stator core 24 increases at positions corresponding to the peripheral portions 27c and 27d of the coil 21, the stator core 24, and the insulator 27, and therefore the creepage distance between the coil 21 and the stator core 24 is small. The creepage distance can be sufficiently secured even at the position, and the electrical insulation between the coil 21 and the stator core 24 can be enhanced.
  • the receding surface 23 may extend along the central axis Ax1 of the rotor 30.
  • a resin flow path is formed along the direction of the central axis Ax1 of the rotor 30, it is easy to fill the resin between the coil 21 and the stator core 24 at a position corresponding to the receding surface 23. For this reason, the resin portion 28 is easily formed.
  • the coil 21 and the stator core 24 are integrated by molding, it is easy to form the resin portion with a molding resin.
  • This disclosure can be used for rotating electrical machines.
  • SYMBOLS 1 Motor (rotary electric machine), 20 ... Stator, 21a ... Molding surface, 23 ... Retraction surface, 24 ... Stator core, 24c ... Surface, 26 ... Slot, 27 ... Insulator, 27c, 27d ... Peripheral part (edge part), 28 ... resin part, 30 ... rotor, Ax1 ... center axis (rotary axis).

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Windings For Motors And Generators (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Abstract

Selon l'invention, un moteur (1) est équipé d'un stator (20) générant un champ magnétique tournant, et d'un rotor (30) disposé côté périphérie interne du stator (20) et tournant selon le champ magnétique tournant. Le stator (20) possède : un noyau statorique (24) contenant des fentes (26) ; et des bobines (21) disposées dans ces fentes (26). Les bobines (21) possèdent une face de formation (21a) qui suit une surface (24c) du noyau statorique (24). Au moins l'une de la surface (24c) du noyau statorique (24) et de la face de formation (21a) des bobines (21) en opposition mutuelle, est telle qu'est formée de manière partielle une face recul (23) s'éloignant de l'autre surface (24c) ou face de formation (21a).
PCT/JP2015/076732 2015-09-18 2015-09-18 Machine électrique tournante WO2017046952A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2015/076732 WO2017046952A1 (fr) 2015-09-18 2015-09-18 Machine électrique tournante
JP2016052777A JP6428684B2 (ja) 2015-09-18 2016-03-16 回転電機
CN201610154199.2A CN106549515B (zh) 2015-09-18 2016-03-17 旋转电机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/076732 WO2017046952A1 (fr) 2015-09-18 2015-09-18 Machine électrique tournante

Publications (1)

Publication Number Publication Date
WO2017046952A1 true WO2017046952A1 (fr) 2017-03-23

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PCT/JP2015/076732 WO2017046952A1 (fr) 2015-09-18 2015-09-18 Machine électrique tournante

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JP (1) JP6428684B2 (fr)
CN (1) CN106549515B (fr)
WO (1) WO2017046952A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017127157A1 (de) * 2017-11-17 2019-05-23 Gkn Sinter Metals Engineering Gmbh Rotor für einen Axialflussmotor

Citations (4)

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Publication number Priority date Publication date Assignee Title
WO2008149649A1 (fr) * 2007-06-06 2008-12-11 Kabushiki Kaisha Yaskawa Denki Dispositif électrique tournant, et son procédé de fabrication
JP2009100625A (ja) * 2007-10-19 2009-05-07 Toyota Motor Corp ステータおよび回転電機
JP2013005652A (ja) * 2011-06-20 2013-01-07 Toyota Motor Corp 回転電機及び集中巻コイル
JP2013158105A (ja) * 2012-01-27 2013-08-15 Denso Corp 回転電機の固定子

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Publication number Priority date Publication date Assignee Title
JPH11122855A (ja) * 1997-10-17 1999-04-30 Toshiba Corp ステータ用コイルボビンと電動機
JP2006081252A (ja) * 2004-09-07 2006-03-23 Toyota Motor Corp コイルの巻線構造およびモータおよびコイルの形成方法
JP2011036010A (ja) * 2009-07-31 2011-02-17 Hitachi Ltd 回転電機
JP2011200050A (ja) * 2010-03-23 2011-10-06 Daikin Industries Ltd 固定子、モータ及び圧縮機
JP5429241B2 (ja) * 2011-08-02 2014-02-26 株式会社安川電機 回転電機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008149649A1 (fr) * 2007-06-06 2008-12-11 Kabushiki Kaisha Yaskawa Denki Dispositif électrique tournant, et son procédé de fabrication
JP2009100625A (ja) * 2007-10-19 2009-05-07 Toyota Motor Corp ステータおよび回転電機
JP2013005652A (ja) * 2011-06-20 2013-01-07 Toyota Motor Corp 回転電機及び集中巻コイル
JP2013158105A (ja) * 2012-01-27 2013-08-15 Denso Corp 回転電機の固定子

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CN106549515A (zh) 2017-03-29
JP2017060376A (ja) 2017-03-23
JP6428684B2 (ja) 2018-11-28
CN106549515B (zh) 2019-03-01

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