WO2019123513A1 - Noyau de stator et moteur en étant équipé - Google Patents

Noyau de stator et moteur en étant équipé Download PDF

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Publication number
WO2019123513A1
WO2019123513A1 PCT/JP2017/045310 JP2017045310W WO2019123513A1 WO 2019123513 A1 WO2019123513 A1 WO 2019123513A1 JP 2017045310 W JP2017045310 W JP 2017045310W WO 2019123513 A1 WO2019123513 A1 WO 2019123513A1
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WO
WIPO (PCT)
Prior art keywords
electromagnetic steel
stator core
crimped
joint
stacking direction
Prior art date
Application number
PCT/JP2017/045310
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English (en)
Japanese (ja)
Inventor
雄康 平戸
裕史 庄子
剛仙 岩邊
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2019559878A priority Critical patent/JP6727458B2/ja
Priority to PCT/JP2017/045310 priority patent/WO2019123513A1/fr
Priority to CN201780096571.1A priority patent/CN111448741A/zh
Publication of WO2019123513A1 publication Critical patent/WO2019123513A1/fr

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    • 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
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures

Definitions

  • the present invention relates to a stator core formed by laminating a plurality of electromagnetic steel sheets and a motor including the stator core.
  • a stator core is known as one that constitutes a stator used, for example, in a motor.
  • the stator core is formed by laminating a plurality of electromagnetic steel plates, and includes an annular core back portion and a plurality of teeth portions extending inward from the core back portion. An insulation process is applied to the teeth portion and the winding is wound.
  • the stator core has a configuration in which electromagnetic steel plates adjacent in the stacking direction are caulked and joined at the core back portion and the teeth portion.
  • the magnetic permeability is lowered or the insulating layer is broken due to the influence of the strain due to the press fit and the press fit of the caulking convex part and the recess in the teeth part, and the fractured surfaces of the magnetic steel sheets As a result, an eddy current may be generated between the layers. Therefore, in the stator core, there is a possibility that the magnetic characteristics deteriorate due to the increase of iron loss, and the motor characteristics of the motor are adversely affected.
  • the stator core can not wind the winding sufficiently, and there is a problem such as an efficiency loss.
  • Patent Document 1 a region having a crimped joint where electromagnetic steel plates are crimped and fixed to each other and a region not having a crimped joint are provided in the teeth portion, and the crimped joint of the teeth is formed.
  • a stator core of reduced construction is disclosed.
  • the electromagnetic steel plates adjacent in the stacking direction in the core back portion are all caulked and joined. Therefore, in the stator core, the strong pressure of the wound winding may be concentrated and act on the crimped joint partially provided in the teeth portion. That is, in this stator core, the crimped joint portion provided in the tooth portion is crushed by the pressure of the winding, and the lamination width on the tooth portion side changes to cause winding contraction due to the winding, and as a result, the winding There is a risk of winding disorder.
  • the present invention has been made to solve the above-described problems, and suppresses distortion due to press-fit and press-fit due to press-fit of caulking convex and concave parts in the teeth and also suppresses shrinkage due to winding. It is an object of the present invention to provide a stator core that can be used and a motor provided with the stator core.
  • the stator core according to the present invention is configured by laminating a plurality of electromagnetic steel sheets, and includes an annular core back portion, a plurality of teeth portions extending inwardly from the core back portion, and in which a winding is wound.
  • the core back portion is a first crimped joint portion in which the electromagnetic steel plates adjacent to each other in the stacking direction are caulked and fixed, and the electromagnetic steel plates adjacent to each other in the stacking direction
  • the first flat plate portions which are not crimped together are alternately arranged along the stacking direction, and the electromagnetic steel plates adjacent to each other in the stacking direction are crimped and fixed to the teeth portion.
  • the second flat plate portion where the second crimped joint portion is provided to the electromagnetic steel plate having the first flat plate portion and the electromagnetic steel plates adjacent in the stacking direction are not crimped to each other is the first flat plate portion.
  • the second flat plate portion in which the electromagnetic steel plates adjacent to each other in the stacking direction are not caulked and joined in the teeth portion is provided, distortion due to press fitting of the caulking joining convex and concave portions and stress due to the press fitting The influence can be suppressed.
  • the first crimped joint portion and the first crimped joint portion are formed on the core back portion so that the lamination width of the core back portion and the lamination width of the teeth portion subjected to tension by winding of the winding become substantially equal. Since the flat plate portion is provided and the second caulking joint portion and the second flat surface portion are provided in the tooth portion, the winding contraction can be suppressed.
  • stator core It is a longitudinal section of an electric motor provided with a stator core concerning an embodiment of the invention. It is the top view which showed the stator provided with the stator core which concerns on embodiment of this invention. It is a top view explaining the connection structure of the segment which constitutes a stator core concerning an embodiment of the invention. It is the top view which showed the modification of the stator provided with the stator core which concerns on embodiment of this invention. It is the top view which showed the different modification of the stator provided with the stator core based on embodiment of this invention. It is a longitudinal cross-sectional view of a stator core concerning an embodiment of the invention.
  • stator core which concerns on embodiment of this invention, Comprising: It is explanatory drawing which showed the relationship between a 1st crimp joint part and a 1st through-hole. It is the top view which showed an example of the kind of electromagnetic steel plate which comprises the stator core which concerns on embodiment of this invention. It is the top view which showed an example of the kind of electromagnetic steel plate which comprises the stator core which concerns on embodiment of this invention. It is the top view which showed an example of the kind of electromagnetic steel plate which comprises the stator core which concerns on embodiment of this invention. It is the top view which showed an example of the kind of electromagnetic steel plate which comprises the stator core which concerns on embodiment of this invention. It is the top view which showed an example of the kind of electromagnetic steel plate which comprises the stator core which concerns on embodiment of this invention.
  • FIG. 1 is a longitudinal sectional view of a motor provided with a stator core according to an embodiment of the present invention.
  • FIG. 2 is a plan view showing a stator provided with a stator core according to the embodiment of the present invention.
  • a stator core 1 according to the present embodiment constitutes a stator 10 used in a motor 100.
  • the electric motor 100 includes, for example, an annular stator 10 fixedly supported on the inner wall surface of the closed container 100a by shrink fitting or the like, and a rotor 20 rotatably provided opposite to the inner surface of the stator 10 It is done.
  • the rotor 20 is inserted into a rotor core 21 configured by laminating a plurality of electromagnetic steel plates 2 punched into a predetermined shape as shown in FIG. 1 and insertion holes formed in the rotor core 21.
  • a permanent magnet 22 is provided.
  • the rotor 20 is fixed to the shaft 23 of the compression mechanism by shrink fitting or the like. The rotor 20 rotates in response to the rotational force from the rotating magnetic field generated by the stator 10.
  • the stator 10 is comprised of a stator core 1 and windings 14 wound around the stator core 1, as shown in FIGS. 1 and 2.
  • the stator core 1 is formed by laminating a plurality of thin electromagnetic steel plates 2 having a thickness of about 0.1 mm to 0.7 mm as an example, and the core back portion 3 configured in an annular shape, and the core back A plurality of teeth 4 extend inward from the portion 3 and on which the winding 14 is wound.
  • FIG. 3 is a plan view illustrating the connection structure of the segments constituting the stator core according to the embodiment of the present invention.
  • the stator core 1 is configured by connecting approximately T-shaped segments 11 (segmented iron cores) obtained by dividing the core back portion 3 into nine in the annular direction.
  • the core back portion 3 has a connecting portion 13 in which adjacent segments 11 are rotatably connected to the adjacent segments 11.
  • the electromagnetic steel plates 2 in the core back portion 3 of the adjacent segments 11 alternately overlap at the end of the core back portion 3, and a common pin hole is formed at the overlapping portion, and the pin is formed in the pin hole It is inserted and connected by pins.
  • stator core 1 can be changed into various shapes such as an annular shape or a linear shape reverse to that in FIG. 2 by rotating each segment 11, and the winding The work space for winding 14 can be secured.
  • the adjacent segments 11 may be rotatably connected by providing concavo-convex fitting portions fitting with each other at the end of the core back portion 3. In other words, as long as the segments 11 adjacent to each other in the annular direction are rotatably connected to the adjacent segments 11, other configurations may be used.
  • FIG. 4 is the top view which showed the modification of the stator provided with the stator core concerning embodiment of this invention.
  • the core back portion 3 may have a welded portion 15 in which the segments 11 adjacent to each other in the ring direction are welded and connected.
  • the stator core 1 can enhance the accuracy of the roundness on the inner diameter side of the teeth portion 4 and thus contributes to the improvement of the operating efficiency of the compressor, for example, when the motor 100 is incorporated into the compressor. be able to.
  • FIG. 5 is a plan view showing another modified example of the stator provided with the stator core according to the embodiment of the present invention.
  • the core back part 3 is not limited to the structure which connected the segment 11 divided
  • each segment 11 is subjected to an insulating process by an insulating material 12 such as a paper or a resin sheet having an insulating function.
  • Windings 14 are wound on the teeth portion 4 of each segment 11 from above the insulating material 12.
  • a slot is formed between the adjacent teeth portions 4, and the slot is a storage space for the winding 14.
  • a magnet wire or the like in which an insulating coating is applied to the outside of a copper wire is used.
  • FIG. 6 is a longitudinal sectional view of a stator core according to an embodiment of the present invention.
  • the first caulking joint in which the electromagnetic steel plates 2 adjacent to each other in the stacking direction are caulked and fixed to the core back portion 3 of each segment 11 at two positions.
  • the portions 5 and the first flat plate portions 6 in which the electromagnetic steel plates 2 adjacent to each other in the stacking direction are not crimped to each other are alternately arranged along the stacking direction.
  • the first crimped joint 5 is configured as a first crimped assembly 50 in which a plurality of electromagnetic steel plates 2 adjacent in the stacking direction are continuously provided. Note that FIG. 1 shows a configuration in which the first crimped joint 5 is continuously formed in four stages, and FIG. 6 shows a configuration in which the first crimped joint 5 is continuously formed in nine stages.
  • the second caulking joint 7 in which the electromagnetic steel plates 2 adjacent to each other in the stacking direction are caulked and fixed to the teeth portion 4 of each segment 11 is the first flat plate portion 6. It is provided in the electromagnetic steel plate 2 which it has. Further, the second flat plate portion 8 in which the electromagnetic steel plates 2 adjacent to each other in the stacking direction are not crimped to each other is provided to the teeth portion 4 of each segment 11 in the electromagnetic steel plate 2 having the first crimped joint 5 It is done.
  • the second crimped joint 7 is configured as a second crimped assembly 70 in which a plurality of electromagnetic steel plates 2 adjacent in the stacking direction are continuously fixed.
  • FIG. 1 the structure which formed the 2nd crimping
  • the lamination width of the core back portion 3 and the lamination width of the teeth portion 4 on which the tension F acts by the winding of the winding 14 become substantially equal. It shall be formed in shape and number.
  • first crimping joint portion 5 by V-crimping is performed by cutting and bending electromagnetic steel plate 2 and fastening a plurality of electromagnetic steel plates 2 with a protrusion having a thickness greater than the thickness thereof.
  • the second caulking joint 7 is applied to the tooth portion 4 by the V caulking.
  • crimping there is a configuration in which circular protrusions called round crimping are formed, and magnetic plates adjacent in the stacking direction are fastened in a press-fit relationship.
  • round V-shaped crimps in which semicircles are deformed diagonally as similar shapes of round crimps, and corner crimps similar to round crimps as crimps having a thickness not greater than the plate thickness.
  • V-crimping has a larger fastening force at the same joint area as round caulking or the like, but the gap between the laminates tends to increase.
  • any of the above-described caulking is a fastening method utilizing press-fitting of the caulking deformed portion, and there is a defect that distortion and stress of the stator core by press-fitting of the convex portion and the concave portion become large and the magnetic characteristics deteriorate.
  • the electromagnetic steel plates 2 of the segments 11 are joined by V caulking, and the number of caulking is reduced to suppress distortion and stress due to press fitting of the convex portion and the concave portion.
  • V staking it is not limited to V staking, and round staking or square staking may be performed.
  • the stator core 1 is not limited to the electromagnetic steel sheet 2 located below the first crimped joint 5 at the lowermost level of the first crimped assembly 50.
  • a first through hole 30 into which the 1 crimped joint 5 is fitted is formed. This is because the interference between the first crimped joint 5 and the upper surface of the electromagnetic steel plate 2 is prevented by inserting the first crimped joint 5 positioned at the lowermost stage into the first through hole 30, and the gap between the laminations is increased.
  • the second crimped joint 7 is fitted to the electromagnetic steel plate 2 located below the second crimped joint 7 in the lowermost stage of the second crimped assembly 70.
  • a second through hole 40 to be inserted is formed.
  • FIG. 7 is a stator core according to the embodiment of the present invention, and is an explanatory view showing a relationship between a first crimped joint and a first through hole.
  • the first through hole 30 is formed in one electromagnetic steel plate 2 when the relationship between the thickness h of the electromagnetic steel plate 2 and the caulking depth y is h ⁇ y.
  • the first through holes 30 have h ⁇ k> y such that h ⁇ k> y. It is necessary to form the electromagnetic steel sheet 2 (three sheets in the case of the illustrated example).
  • the first penetration is performed.
  • the second crimped joint 7 on the lower electromagnetic steel plate 2 including the lowermost electromagnetic steel plate 2.
  • the lowermost electromagnetic steel plate 2 is included among the k electromagnetic steel plates 2 in which the second through holes 40 are formed. It is desirable to provide the first crimped joint 5 on the lower electromagnetic steel sheet 2. This is to reduce the unnecessary first crimped joint 5 and the second crimped joint 7.
  • the total number of electromagnetic steel sheets 2 in which the first through holes 30 are formed in the core back part 3 and the electromagnetic steel sheets 2 in which the second through holes 40 are formed in the teeth part 4 is the first crimped aggregate 50 and the second crimped.
  • the number of positions at which the assembly 70 is exchanged is m, it is composed of m sheets.
  • the stator core 1 when the number m of positions at which the first crimp assembly 50 and the second crimp assembly 70 are interchanged is large, a through hole is formed in the core back portion 3 or the teeth portion 4 by that amount. And the magnetic properties may be degraded. Therefore, it is desirable for the stator core 1 to reduce the number m of positions at which the first crimp assembly 50 and the second crimp assembly 70 are interchanged as much as possible.
  • the amount H of contraction with respect to the gap X between the laminations of the first crimped joint 5 is (D1 ⁇ D2) / 2.
  • D1 is (the number of sheets of the electromagnetic steel plate 2 having the first crimped joint 5)
  • ⁇ (plate thickness h) + the total of the lamination gap X in the electromagnetic steel plate 2 having the first crimped joint 5) Therefore, [(n ⁇ m) / (m + 1)] ⁇ h + ⁇ [(n ⁇ m) ⁇ 1] / (m + 1) ⁇ ⁇ X.
  • FIGS. 8A to 8D are plan views showing an example of the types of electromagnetic steel sheets constituting the stator core according to the embodiment of the present invention.
  • the electromagnetic steel plate 2 shown to FIG. 8A is the structure which provided the 1st crimp joining part 5 in the core back part 3.
  • the electromagnetic steel plate 2 shown to FIG. 8B is the structure which formed the 1st through-hole 30 in the core back part 3, and provided the 2nd crimp joint part 7 in the teeth part 4.
  • FIG. 8C has a configuration in which the second caulking joint 7 is provided in the teeth 4.
  • the stator core 1 of the present embodiment has these four types of electromagnetic steel plates 2 stacked in the order of FIG. 8A, FIG. 8B, FIG. 8C and FIG. 8D, or FIG. 8C, FIG. 8D, FIG. 8A and FIG. It is composed in layers.
  • the electromagnetic steel plates 2 shown in FIGS. 8A to 8D may be formed by continuously laminating the electromagnetic steel plates 2 having the same configuration, for example, as shown in FIG.
  • the 1st crimp joining part 5 in this Embodiment is not limited to the structure made into the 1st crimp assembly 50 which the electromagnetic steel plate 2 which adjoins in the lamination direction was provided in multiple steps continuously. Although illustration is omitted, for example, the first crimped joint 5 may be provided on every other electromagnetic steel plates 2 in the stacking direction.
  • FIG. 9A and FIG. 9B are explanatory views schematically showing main parts of a mold for forming a first crimped joint on a magnetic steel sheet.
  • the first crimped joint 5 is formed by a mold 200 provided with a cam mechanism 201 and a forming punch 202 operating up and down relative to the cam mechanism 201. From the state shown in FIG.
  • the forming punch 202 is moved up and down by the cam mechanism 201 which moves in the left and right direction from the state shown in FIG. 9A.
  • the crimped joint 5 is formed. After the first crimped joint 5 is formed one by one by the mold 200, a plurality of electromagnetic steel sheets 2 are stacked and caulked. When the second crimped joint 7 is formed on the electromagnetic steel sheet 2, the same operation is performed by the mold 200.
  • FIG. 10 is an explanatory view showing a stator core having a crimped joint only at the core back portion.
  • FIG. 11 is an explanatory view showing a state in which the tension by the winding acts on the stator core shown in FIG.
  • a gap is generated between the lamination of the core back portion 3 and the teeth portion 4 by the crimp joint 9. Therefore, as shown in FIG. 11, when the winding is wound around the teeth 4 and tension F acts, the core back portion 3 maintains the lamination gap at the caulking joint 9, but the teeth 4 are wound.
  • the electromagnetic steel plate 2 is bent from the core back portion 3 toward the teeth portion 4 by the contraction. And the tip by the side of the inner diameter of teeth part 4 which adjoins in the lamination direction is deformed so that a crevice may disappear between teeth parts 4 which adjoin.
  • the stator core 1 can not wind the winding 14 to the target position when the winding contraction occurs, and a manufacturing failure such as winding disorder occurs to affect the manufacturing quality.
  • stator core 1 is deformed on the inner diameter side by being contracted, when the segments 11 are arranged in an annular shape, the outer diameter and the inner diameter become barrel-shaped. Therefore, in the stator core 1, the inner diameter roundness and the degree of cylindricality deteriorate, the air gap between the rotor 20 and the stator 10 becomes nonuniform, and the motor characteristics may be adversely affected.
  • the core back portion 3 of the stator core 1 of the present embodiment includes the first crimped joint portion 5 in which the electromagnetic steel plates 2 adjacent to each other in the lamination direction are caulked and fixed, and the electromagnetic steel plates adjacent to the lamination direction
  • the first flat plate portions 6 which are not crimped to each other are alternately arranged along the stacking direction.
  • a second crimped joint portion 7 is provided on the electromagnetic steel plate 2 having the first flat plate portion 6 in which the electromagnetic steel plates 2 adjacent to each other in the stacking direction are crimped and fixed to the teeth portion 4.
  • the second flat plate portion 8 in which the electromagnetic steel plates 2 adjacent to each other in the stacking direction are not crimped to each other is provided to the electromagnetic steel plate 2 having the first crimped joint 5.
  • stator iron core 1 of the present embodiment is provided with second flat plate portion 8 in which electromagnetic steel plates adjacent to each other in the stacking direction are not crimped and joined in teeth portion 4, convexed portions and recessed portions of crimped joint Distortion due to press-in and the influence of stress due to the press-in can be suppressed. Therefore, the stator core 1 can suppress the decrease in the magnetic permeability and can also suppress the eddy current generated between the laminations.
  • the core back is made so that the lamination width of the core back portion 3 and the lamination width of the teeth portion 4 on which tension acts by the winding of the winding 14 become substantially equal. Since the first crimped joint 5 and the first flat plate 6 are provided in the portion 3 and the second crimped joint 7 and the second flat plate 8 are provided in the tooth 4, suppressing the contraction of the winding 14 Can. That is, since the stator core 1 can wind the winding 14 to the target position, it is possible to reduce manufacturing problems such as winding disorder. Further, since the stator core 1 can improve the winding quality, it is possible to reduce the number of rework steps and defects in the process, and to provide a high quality motor 100.
  • first crimped joint 5 of the stator core 1 of the present embodiment is configured as a first crimped assembly 50 in which a plurality of electromagnetic steel plates 2 adjacent in the stacking direction are continuously provided.
  • second crimped joint portion 7 is configured as a second crimped aggregate 70 in which the electromagnetic steel plates 2 adjacent in the stacking direction are continuously fixed in a plurality of stages. That is, the stator core 1 can suppress the deterioration of the magnetic characteristics due to the formation of the through holes in the core back portion 3 and the teeth portion 4.
  • the stator core 1 of the present embodiment inserts the first crimped joint 5 into the electromagnetic steel sheet 2 located below the first crimped joint 5 at the lowermost stage of the first crimped assembly 50.
  • a first through hole 30 is formed.
  • a second through hole 40 in which the second crimped joint 7 is fitted is formed in the electromagnetic steel plate 2 located below the second crimped joint 7 in the lowermost stage of the second crimped assembly 70. Therefore, the stator core 1 prevents interference between the first crimped joint 5 and the upper surface of the electromagnetic steel plate 2 by inserting the first crimped joint 5 located at the lowermost stage into the first through hole 30.
  • the second caulking joint 7 located at the lowermost stage into the second through hole 40 interference between the second caulking joint 7 and the upper surface of the electromagnetic steel sheet 2 can be prevented. It is possible to prevent an increase in the gap between them.
  • stator core 1 of the present embodiment has a configuration in which segments 11 adjacent in the annular direction have connecting portions 13 rotatably connected to adjacent segments 11, each segment 11 can be obtained. By turning it, it can be changed into various shapes, such as an annular ring or a straight line opposite to FIG. 2. Therefore, the stator core 1 can secure a working space for winding the winding 14 and can easily wind the winding 14.
  • the stator core 1 of the present embodiment has a welded portion 15 in which the segments 11 adjacent to each other in the annular direction are welded and connected, whereby the roundness on the inner diameter side of the teeth portion 4 is achieved.
  • the motor 100 is incorporated into a compressor, it can contribute to the improvement of the operating efficiency of the compressor.
  • the stator core 1 can reduce the number of parts and the time for processing, productivity can be improved.
  • stator core 1 of the present embodiment has a configuration in which teeth portion 4 is subjected to an insulating process by insulating material 12 made of a paper material or a resin sheet having an insulating function, and wound by winding 14. The insulation between the winding 14 and the teeth 4 is good.
  • the present invention has been described above based on the embodiment, the present invention is not limited to the configuration of the embodiment described above.
  • the number of first crimped joints 5 constituting the first crimped assembly 50 and the number of second crimped joints 7 constituting the second crimped assembly 70 may not be the same.
  • the lamination width of the core back portion 3 and the lamination width of the teeth portion 4 on which the tension F acts by the winding of the winding 14 may be substantially equal.

Abstract

L'invention concerne un noyau de stator pourvu : d'une partie arrière de noyau annulaire formée par empilement d'une pluralité de feuilles d'acier électromagnétique ; et d'une pluralité de parties dents s'étendant vers l'intérieur à partir de la partie arrière de noyau et ayant un enroulement enroulé autour. La partie arrière de noyau comprend : des premières sections de joint de matage auxquelles les feuilles d'acier électromagnétique adjacentes les unes aux autres dans la direction d'empilement sont fixées par matage et assemblage ; et des premières sections de plaque plate dans lesquelles les feuilles d'acier électromagnétique adjacentes les unes aux autres dans la direction d'empilement ne sont pas matées ni jointes, les premières sections de joint de matage et les premières sections de plaque plate étant disposées en alternance dans la direction d'empilement. Dans les parties dents, des secondes sections de joint de matage, auxquelles les feuilles d'acier électromagnétique adjacentes les unes aux autres dans la direction d'empilement sont fixées par matage et assemblage, sont disposées sur les feuilles d'acier électromagnétique qui comportent les premières sections de plaque plate ; et des secondes sections de plaque plate, dans lesquelles les feuilles d'acier électromagnétique adjacentes les unes aux autres dans la direction d'empilement ne sont pas matées ni jointes les unes aux autres, sont disposées sur les feuilles d'acier électromagnétique qui comportent les premières sections de joint de matage.
PCT/JP2017/045310 2017-12-18 2017-12-18 Noyau de stator et moteur en étant équipé WO2019123513A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019559878A JP6727458B2 (ja) 2017-12-18 2017-12-18 固定子鉄心及びその固定子鉄心を備えた電動機
PCT/JP2017/045310 WO2019123513A1 (fr) 2017-12-18 2017-12-18 Noyau de stator et moteur en étant équipé
CN201780096571.1A CN111448741A (zh) 2017-12-18 2017-12-18 定子铁心和具备该定子铁心的电动机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/045310 WO2019123513A1 (fr) 2017-12-18 2017-12-18 Noyau de stator et moteur en étant équipé

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WO2019123513A1 true WO2019123513A1 (fr) 2019-06-27

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CN (1) CN111448741A (fr)
WO (1) WO2019123513A1 (fr)

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KR20220120845A (ko) 2021-02-24 2022-08-31 현대자동차주식회사 모터의 분할코어

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011120392A (ja) * 2009-12-04 2011-06-16 Mitsubishi Electric Corp 固定子鉄心及び固定子及び電動機及び圧縮機
JP2015142424A (ja) * 2014-01-28 2015-08-03 トヨタ自動車株式会社 モータ構造
JP2016082627A (ja) * 2014-10-10 2016-05-16 トヨタ自動車株式会社 回転電機のステータ
WO2016113876A1 (fr) * 2015-01-15 2016-07-21 三菱電機株式会社 Machine électrique rotative

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5623498B2 (ja) * 2012-12-28 2014-11-12 三菱電機株式会社 固定子鉄心及び固定子及び電動機及び圧縮機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011120392A (ja) * 2009-12-04 2011-06-16 Mitsubishi Electric Corp 固定子鉄心及び固定子及び電動機及び圧縮機
JP2015142424A (ja) * 2014-01-28 2015-08-03 トヨタ自動車株式会社 モータ構造
JP2016082627A (ja) * 2014-10-10 2016-05-16 トヨタ自動車株式会社 回転電機のステータ
WO2016113876A1 (fr) * 2015-01-15 2016-07-21 三菱電機株式会社 Machine électrique rotative

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CN111448741A (zh) 2020-07-24
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