WO2023234266A1 - ステータ及び回転電機 - Google Patents

ステータ及び回転電機 Download PDF

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Publication number
WO2023234266A1
WO2023234266A1 PCT/JP2023/019952 JP2023019952W WO2023234266A1 WO 2023234266 A1 WO2023234266 A1 WO 2023234266A1 JP 2023019952 W JP2023019952 W JP 2023019952W WO 2023234266 A1 WO2023234266 A1 WO 2023234266A1
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WO
WIPO (PCT)
Prior art keywords
covering
stator
coil
bobbin
teeth
Prior art date
Application number
PCT/JP2023/019952
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English (en)
French (fr)
Japanese (ja)
Inventor
哲矢 丸山
Original Assignee
株式会社デンソー
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 株式会社デンソー filed Critical 株式会社デンソー
Priority to CN202380023690.XA priority Critical patent/CN118765476A/zh
Publication of WO2023234266A1 publication Critical patent/WO2023234266A1/ja

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    • 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

Definitions

  • the present disclosure relates to a stator and a rotating electric machine.
  • the stator described in Patent Document 1 includes a stator core having teeth, a bobbin that covers the teeth, and a coil wound around the bobbin.
  • the bobbin has a first covering part that covers the axial end face of the tooth, and a second covering part that covers the circumferential end face of the tooth.
  • a concave-convex guide portion is formed on the surface of the bobbin to guide the conducting wire forming the coil.
  • the guide portion is provided at a corner where the first covering portion and the second covering portion intersect. That is, the guide portion is provided from the first covering portion to the second covering portion.
  • the stator described above by transmitting the heat generated in the coil to the teeth of the stator core via the bobbin, it is possible to radiate the heat from the stator core to the outside.
  • the thickness of the guide part becomes thicker at the convex part between each recess of the guide part. This has caused a problem in that heat transfer from the coil to the teeth is inhibited by the guide portion.
  • the stator includes a stator core having teeth extending in a radial direction, a bobbin covering the teeth, and a coil wound around the bobbin.
  • the bobbin includes a first covering part that covers an axial end face of the tooth, and a second covering part that covers a circumferential end face of the tooth, and the first covering part covers the coil.
  • the second covering part has an uneven guide part that guides the conducting wire to be formed, and the second covering part has a flat part extending from one end in the axial direction to the other end in the axial direction on the surface of the second covering part.
  • a rotating electrical machine in a second aspect of the present disclosure, includes a stator and a rotor facing the stator, and the stator includes a stator core having teeth extending in a radial direction; A bobbin that covers the teeth and a coil that is wound around the bobbin, the bobbin includes a first covering portion that covers an axial end surface of the teeth, and a first covering portion that covers a circumferential end surface of the teeth. a second covering part, the first covering part has an uneven guide part that guides the conducting wire forming the coil, and the second covering part has an axis on the surface of the second covering part. It has a flat portion extending from one end in the direction to the other end in the axial direction.
  • the second covering portion of the bobbin since the second covering portion of the bobbin has the flat portion, it is possible to configure the second covering portion without a guide portion. Thereby, in the second covering part that does not have a guide part, heat transfer from the coil to the teeth is not inhibited by the guide part. Therefore, it becomes possible to improve heat transfer from the coil to the teeth. As a result, it becomes possible to improve the heat dissipation of heat generated in the coil.
  • FIG. 1 is a schematic diagram of a rotating electric machine in an embodiment
  • FIG. 2 is a perspective view of a split core and a bobbin in a stator of the same type
  • FIG. 3 is a plan view of a divided unit in a stator of the same type
  • FIG. 4 is a sectional view taken along line 4-4 in FIG.
  • FIG. 5 is a sectional view taken along line 5-5 in FIG.
  • FIG. 6 is a sectional view taken along line 6-6 in FIG.
  • FIG. 7 is a plan view of a divided unit in a stator of a modified example;
  • FIG. 1 is a schematic diagram of a rotating electric machine in an embodiment
  • FIG. 2 is a perspective view of a split core and a bobbin in a stator of the same type
  • FIG. 3 is a plan view of a divided unit in a stator of the same type
  • FIG. 4 is a sectional view taken along line 4-4 in FIG.
  • FIG. 5 is a
  • FIG. 8 is a plan view of a divided unit in a stator of a modified example
  • FIG. 9 is a plan view of a divided unit in a stator of a modified example
  • FIG. 10 is a partial perspective view of the split core and bobbin in the stator of the modified example
  • FIG. 11 is a schematic cross-sectional view of the stator of the modified example
  • FIG. 12 is a schematic cross-sectional view of the stator of the modified example.
  • the rotating electric machine 10 includes a stator 11 and a rotor 12 facing the stator 11.
  • the stator 11 has an annular shape.
  • Rotor 12 is arranged inside stator 11 .
  • the rotor 12 has a rotating shaft 13.
  • the rotor 12 faces the stator 11 in the radial direction.
  • the stator 11 includes a stator core 20, a bobbin 30, and a coil 40.
  • Stator core 20 has a plurality of split cores 21 arranged in an annular manner along the circumferential direction of stator 11 .
  • the stator core 20 of this embodiment has, for example, twelve divided cores 21.
  • Each divided core 21 is made of, for example, a magnetic metal material.
  • the circumferential direction of the stator 11, the radial direction of the stator 11, and the axial direction of the stator 11 may be simply referred to as the "circumferential direction,”"radialdirection,” and "axial direction,” respectively.
  • Each split core 21 has a back yoke 22 and teeth 23 extending from the back yoke 22 in the radial direction.
  • the plurality of split cores 21 are arranged along the circumferential direction so that each back yoke 22 has an annular shape as a whole.
  • Each tooth 23 extends along the radial direction.
  • the teeth 23 protrude radially inward from the inner surface of the back yoke 22, for example.
  • the tips of the teeth 23 face the axis L1 of the stator 11.
  • the base end portion of the tooth 23 is the radially outer end portion of the tooth 23 .
  • Each split core 21 is provided with a bobbin 30.
  • a coil 40 is wound around each bobbin 30. That is, the bobbin 30 is interposed between the split core 21 and the coil 40. Thereby, the bobbin 30 electrically insulates between the split core 21 and the coil 40.
  • Each of one divided core 21, one bobbin 30, and one coil 40 constitutes one divided unit U.
  • the split unit U is an integral part consisting of a split core 21, a bobbin 30, and a coil 40.
  • FIG. 2 shows the split core 21 and the bobbin 30 provided on the split core 21.
  • the bobbin 30 is made of an insulator such as synthetic resin. As the material for the bobbin 30, for example, epoxy resin or the like can be used.
  • the bobbin 30 is, for example, molded onto the split core 21. That is, it is formed integrally with the split core 21. This allows the bobbin 30 to be in close contact with the split core 21.
  • the teeth 23 have an axial end surface 24 and a circumferential end surface 25.
  • the axial end surfaces 24 are provided at one end of the teeth 23 in the axial direction and at the other end of the teeth 23 in the axial direction.
  • the circumferential end surface 25 is provided at one circumferential end of the teeth 23 and at the other circumferential end.
  • the cross-sectional shape of the teeth 23 perpendicular to the radial direction is, for example, rectangular.
  • Each axial end surface 24 has, for example, a planar shape perpendicular to the axial direction.
  • Each circumferential end surface 25 has, for example, a planar shape parallel to the axial direction.
  • the bobbin 30 has a first covering part 31 that covers the axial end face 24 of the tooth 23 and a second covering part 32 that covers the circumferential end face 25 of the tooth 23.
  • a pair of first covering portions 31 are provided corresponding to the axial end surfaces 24 on both axial sides of the teeth 23, respectively.
  • a pair of second covering portions 32 are provided corresponding to the circumferential end surfaces 25 on both circumferential sides of the teeth 23, respectively.
  • the portion of the bobbin 30 that covers the teeth 23 has a ring shape surrounding the teeth 23 by the first covering portion 31 and the second covering portion 32 .
  • the coil 40 is composed of, for example, one conductive wire 41.
  • the conducting wire 41 constituting the coil 40 is wound in plural turns on the outer surfaces of the first covering part 31 and the second covering part 32.
  • the first covering part 31 and the second covering part 32 are interposed between the coil 40 and the teeth 23.
  • the conducting wire 41 is, for example, an insulated wire.
  • the cross-sectional shape of the conducting wire 41 is, for example, circular.
  • the conducting wire 41 is wound around the bobbin 30 by a winding machine (not shown) such as a nozzle type or a flyer type. In this way, the coil 40 is directly wound around the bobbin 30.
  • the coil 40 is not a separately manufactured so-called cassette coil that is attached to the teeth 23 from above the bobbin 30. Therefore, the gap between the coil 40 and the first covering section 31 and the second covering section 32 of the bobbin 30 can be kept small. Therefore, it is possible to improve the space factor of the coil 40 in the slot formed between the circumferentially adjacent teeth 23.
  • the first covering portion 31 has an uneven guide portion 33 that guides the conducting wire 41 forming the coil 40.
  • the guide portion 33 is provided along the winding direction of the conducting wire 41.
  • the first covering part 31 has, for example, a pair of guide parts 33.
  • the pair of guide portions 33 are provided at both ends of the first covering portion 31 in the circumferential direction.
  • Each guide portion 33 is curved so that the thickness of the first covering portion 31 in the axial direction decreases from the center side in the circumferential direction of the first covering portion 31 to the end portion thereof.
  • the first covering portion 31 has an intermediate portion 34 between the pair of guide portions 33 .
  • the intermediate portion 34 has, for example, a planar shape perpendicular to the axial direction.
  • Each guide portion 33 has a plurality of convex portions 35 and a plurality of concave portions 36.
  • the convex portions 35 and the concave portions 36 are arranged alternately in the radial direction.
  • Each convex portion 35 and each concave portion 36 extend along the winding direction of the conducting wire 41.
  • the conducting wire 41 is sequentially wound along the recesses 36 so as to fit into each recess 36 . Note that, as shown in FIG. 3, the guide portion 33 is provided throughout the range A in the radial direction of the first covering portion 31 where the coil 40 is provided.
  • the groove pitch D1 in the guide portion 33 is set to be greater than or equal to the diameter D2 of the conducting wire 41.
  • the groove pitch D1 is the length between the tops of adjacent convex portions 35. That is, by setting the groove pitch D1 to the diameter D2 of the conducting wire 41, it is possible to configure the conducting wires 41 that are accommodated in adjacent recesses 36 so as not to contact each other.
  • each of the pair of second covering parts 32 has a flat part 37 on the surface of the second covering part 32.
  • the plane portion 37 is provided from one end in the axial direction to the other end in the axial direction on the surface of the second covering portion 32 .
  • the surface of each second covering portion 32 has a linear shape with no unevenness when viewed from the axial direction.
  • each guide portion 33 is adjacent to the intermediate portion 34.
  • the circumferential outer end of each guide portion 33 extends to the circumferential end of the first covering portion 31 .
  • the guide portion 33 has a flat end portion 38 located on the same plane as the flat portion 37 at the circumferentially outer end of the guide portion 33 .
  • the flat end portion 38 is located on the outer side in the axial direction than the axial end surface 24. As shown in FIG. In other words, the flat end portion 38 is located at a position that does not overlap the teeth 23 in the circumferential direction.
  • the teeth 23 have protrusions 26 that protrude from the distal ends of the teeth 23 on both sides in the circumferential direction. This makes it possible to widen the tip surface of the teeth 23 that faces the rotor 12 in the radial direction.
  • Each second covering portion 32 of the bobbin 30 extends between the protrusion 26 and the coil 40.
  • each second covering portion 32 of the bobbin 30 has a flat portion 37 extending from one end in the axial direction to the other end in the axial direction. That is, the uneven guide portion 33 provided on the bobbin 30 is not provided on the second covering portion 32, but is provided only on the first covering portion 31. Thereby, the second covering part 32 does not become partially thick due to the formation of the guide part 33. Therefore, in the second covering portion 32 , heat transfer from the coil 40 to the teeth 23 is not inhibited by the guide portion 33 . As a result, it is possible to suitably transfer the heat of the coil 40 to the teeth 23.
  • the bobbin 30 includes a first covering section 31 that covers the axial end surface 24 of the tooth 23 and a second covering section 32 that covers the circumferential end surface 25 of the tooth 23.
  • the first covering portion 31 has an uneven guide portion 33 that guides the conducting wire 41 forming the coil 40 .
  • the second covering portion 32 has a flat portion 37 extending from one end in the axial direction to the other end in the axial direction on the surface of the second covering portion 32 . According to this configuration, it is possible to configure the second covering section 32 without the guide section 33. That is, it is possible to make the surface of the second covering part 32 linear with no unevenness when viewed from the axial direction.
  • each second covering portion 32 has the flat portion 37, it is possible to eliminate undercuts during die cutting along the axial direction during molding of the bobbin 30. Thereby, it becomes possible to improve the moldability of the bobbin 30.
  • the guide portion 33 has a flat end portion 38 that is provided at the circumferential end of the first covering portion and is located on the same plane as the flat portion 37. According to this configuration, the guide portion 33 can guide the vicinity of the bent portion of the conducting wire 41 from a portion along the first covering portion 31 to a portion along the second covering portion 32. This can contribute to improving the alignment of the conducting wires 41. As a result, it becomes possible to improve the space factor of the coil 40 in the slot formed between the circumferentially adjacent teeth 23. Further, the flat end portion 38 of the guide portion 33 allows the bent portion of the conducting wire 41 to be guided appropriately.
  • a pair of second covering portions 32 are provided corresponding to the circumferential end surfaces 25 on both sides of the teeth 23, respectively.
  • the pair of second covering parts 32 each have a flat part 37. According to this configuration, each of the pair of second covering portions 32 can be configured without the guide portion 33. Therefore, it becomes possible to improve heat transfer from the coil 40 to the teeth 23 more suitably.
  • the groove pitch D1 in the guide portion 33 is greater than or equal to the diameter D2 of the conducting wire 41. According to this configuration, in the first stage of the coil 40 in contact with the bobbin 30, it becomes easy to ensure a distance between adjacent conductive wires 41. Therefore, it is possible to suppress interference between the adjacent conducting wires 41. As a result, it is possible to contribute to improving the alignment of the coil 40 and, by extension, the space factor of the coil 40.
  • the bobbin 30 is molded onto the stator core 20. According to this configuration, compared to a configuration in which a separately manufactured bobbin is attached to the stator core 20, it is possible to eliminate the gap between the stator core 20 and the bobbin 30, or to suppress the gap to a small size. Thereby, heat is easily transferred from the bobbin 30 to the stator core 20 including the teeth 23. Therefore, it becomes possible to easily transfer the heat of the coil 40 to the stator core 20 via the bobbin 30. Further, by eliminating the gap between the stator core 20 and the bobbin 30 or keeping the gap small, it is possible to secure a wide slot formed between the circumferentially adjacent teeth 23. As a result, it is possible to contribute to improving the space factor of the coil 40 within the slot.
  • the guide portion 33 is partially provided within a range A in the radial direction of the first covering portion 31 where the coil 40 is provided.
  • the guide portions 33 are provided only at both ends of the range A in the radial direction.
  • the guide portions 33 provided at both ends of the range A each have at least one convex portion 35 and at least one concave portion 36.
  • An intermediate portion 39 having no unevenness like the guide portions 33 is provided between the guide portions 33 in the radial direction.
  • the guide portion 33 is partially provided in the radial direction of the first covering portion 31. Therefore, an intermediate portion 39 without the guide portion 33 can be provided in the radial direction of the first covering portion 31. Thereby, heat transfer from the coil 40 to the teeth 23 in the first covering portion 31 is not inhibited by the guide portion 33 . Therefore, it becomes possible to further improve heat transfer from the coil 40 to the teeth 23.
  • the guide portion 33 is partially provided in the radial direction of the first covering portion 31, it is possible to simplify the structure of the bobbin 30, and therefore it is possible to improve the manufacturability of the stator 11. As a result, it can contribute to improving yield.
  • each of the pair of second covering parts 32 has a flat part 37, but it is not particularly limited to this.
  • the pair of second covering parts 32 A configuration may be adopted in which only one of them has the flat portion 37.
  • the second covering part 32 having the flat part 37 is referred to as a second covering part 32a
  • the second covering part 32 not having the flat part 37 is referred to as a second covering part 32b.
  • the guide portion 33 adjacent to the second covering portion 32b extends to at least the axial end of the second covering portion 32b. That is, the guide portion 33 adjacent to the second covering portion 32b does not have a flat end portion 38.
  • the second covering portion 32b has a guide portion 33 including a convex portion 35 and a concave portion 36 at least at its axial end portion. According to such a configuration, the alignment of the conducting wires 41 can be improved by the guide portion 33 extending to the second covering portion 32b.
  • the guide portion 33 may have a rearrangement angle ⁇ .
  • the rearrangement angle ⁇ is an angle with respect to a reference line L2 perpendicular to the radial direction when the bobbin 30 is viewed from the axial direction.
  • the row change angle ⁇ is set to an angle larger than 0 degrees according to the diameter of the conducting wire 41.
  • the conductive wire 41 is wound in the first covering part 31 provided with the guide part 33 having a rearrangement angle ⁇ so as to be shifted by one row in the radial direction along the guide part 33 . In this way, the conductor wires 41 are rearranged at the axial ends of the coil 40 along the first covering portion 31.
  • the conductive wires 41 are not rearranged at the portion of the coil 40 along the second covering portion 32, and the conductive wires 41 can be arranged along the axial direction at this portion. As a result, it becomes possible to improve the space factor of the coil 40 in the slot formed between the circumferentially adjacent teeth 23.
  • the stator 11 may be configured to include a resin molded portion 50 that covers the coil 40.
  • the resin mold part 50 collectively covers the plurality of coils 40.
  • the resin molded portion 50 has a first portion 51 interposed between circumferentially adjacent coils 40.
  • the resin mold part 50 has a second portion 52 that covers the outer side of the coil 40 in the axial direction.
  • the divided unit U including the divided core 21, the bobbin 30, and the coil 40 is arranged in a ring shape, and each coil 40 is electrically connected by, for example, a bus bar. Thereafter, for example, a resin mold part 50 is molded to collectively cover each coil 40, each bobbin 30, the bus bar, and the like.
  • the resin mold part 50 is made of, for example, a resin having higher thermal conductivity than the bobbin 30.
  • a resin having higher thermal conductivity than the bobbin 30 for example, a material obtained by mixing an epoxy resin or an unsaturated polyester resin with alumina powder or the like can be used.
  • the thermal conductivity of the bobbin 30 is set to, for example, 1.0 (W/m ⁇ K).
  • the thermal conductivity of the resin molded part 50 is preferably set to, for example, 2.0 (W/m ⁇ K) or more.
  • the first covering portion 31 has a groove portion 31a extending in the radial direction on the surface of the first covering portion 31.
  • the groove portion 31a is provided, for example, between guide portions 33 provided at both ends of the first covering portion 31 in the circumferential direction.
  • the groove portion 31a is formed, for example, from one end of the bobbin 30 in the radial direction to the other end.
  • the resin mold part 50 has a filling part 53 that enters the groove part 31a.
  • the filling part 53 is interposed between the coil 40 and the first covering part 31.
  • the filling portion 53 is in close contact with the surface of the groove portion 31a and the inner peripheral surface of the coil 40, respectively.
  • the heat radiation path include a heat radiation path from the coil 40 to the stator core 20 via the resin molded part 50, and a heat radiation path from the coil 40 to the stator housing (not shown) via the resin molded part 50.
  • a certain degree of axial thickness is required in the circumferential center portion of the first covering part 31. Therefore, a groove portion 31a is formed in the circumferential center of the first covering portion 31, and the groove portion 31a is further filled with a filling portion 53 having a higher thermal conductivity than the bobbin 30. Thereby, it becomes possible to improve heat transfer from the coil 40 to the teeth 23 by the filling portion 53. Furthermore, a heat dissipation path from the inner peripheral side of the coil 40 to the resin molded part 50 can be formed at a portion of the coil 40 along the first covering part 31 . As a result, it becomes possible to further improve the heat dissipation performance of the coil 40.
  • the guide portions 33 are provided at both end portions of the first covering portion 31 in the circumferential direction, but in addition to this, for example, the guide portions 33 may be formed only at the center portion of the first covering portion 31 in the circumferential direction. It's okay.
  • the size of the groove pitch D1 of the guide portion 33 is not limited to the above embodiment; for example, the groove pitch D1 may be set to be less than the diameter D2 of the conducting wire 41.
  • the cross-sectional shape of the conducting wire 41 is not limited to a circular shape, but may be a polygonal shape, an elliptical shape, or any other arbitrary shape.
  • the present invention is not limited to this, and, for example, a separately manufactured bobbin may be attached to the stator core 20.
  • the rotating electric machine 10 of the above embodiment is an inner rotor type rotating electric machine in which the rotor 12 is arranged on the inner circumferential side of the stator 11, but in addition to this, for example, an outer rotor type rotating electric machine in which the rotor is arranged on the outer circumferential side of the stator is used. It may also be applied to rotating electric machines.
  • the bobbin includes a first covering part (31) that covers the axial end face (24) of the tooth, and a second covering part that covers the circumferential end face (25) of the tooth.
  • the first covering part has an uneven guide part (33) that guides the conductive wire (41) forming the coil
  • the second covering part has a guide part (33) having an uneven shape that guides the conductive wire (41) forming the coil
  • a stator having a flat part (37) extending from one axial end to the other axial end on the surface of the stator.
  • the guide portion has a flat end portion (38) provided at a circumferential end portion of the first covering portion and located on the same plane as the flat portion, as described in [1] above. stator.
  • a pair of the second covering parts are provided corresponding to both end surfaces (25, 25) in the circumferential direction of the teeth, and each of the pair of second covering parts has the flat part, The stator according to [1] or [2] above.
  • the guide portion is provided in any one of the above [1] to [3], wherein the guide portion is partially provided within the range (A) in the radial direction of the first covering portion where the coil is provided.
  • the stated stator is not limited to any one of the above [1] to [3], wherein the guide portion is partially provided within the range (A) in the radial direction of the first covering portion where the coil is provided.
  • stator according to any one of [1] to [6] above, wherein the guide portion has a rearrangement angle ( ⁇ ).
  • a resin mold part (50) that covers the coil is provided, the first covering part has a groove part (31a) extending in the radial direction on the surface of the first covering part, and the resin mold part , has a filling part (53) that enters the groove, and the filling part is interposed between the coil and the first covering part, any one of [1] to [7] above.
  • a rotating electric machine comprising a stator (11) and a rotor (12) facing the stator, the stator having a stator core having teeth (23) extending in a radial direction.
  • the stator having a stator core having teeth (23) extending in a radial direction.
  • the bobbin includes a coil (40) that covers the axial end surface (24) of the teeth.
  • a second covering part (32) that covers the circumferential end surface (25) of the teeth, and the first covering part guides the conductive wire (41) forming the coil.
  • the rotating electric machine has a guide portion (33) having an uneven shape, and the second covering portion has a flat portion (37) extending from one end in the axial direction to the other end in the axial direction on the surface of the second covering portion. .

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
PCT/JP2023/019952 2022-05-31 2023-05-29 ステータ及び回転電機 WO2023234266A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202380023690.XA CN118765476A (zh) 2022-05-31 2023-05-29 定子和旋转电机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022088747A JP2023176458A (ja) 2022-05-31 2022-05-31 ステータ及び回転電機
JP2022-088747 2022-05-31

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Publication Number Publication Date
WO2023234266A1 true WO2023234266A1 (ja) 2023-12-07

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PCT/JP2023/019952 WO2023234266A1 (ja) 2022-05-31 2023-05-29 ステータ及び回転電機

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JP (1) JP2023176458A (enrdf_load_stackoverflow)
CN (1) CN118765476A (enrdf_load_stackoverflow)
WO (1) WO2023234266A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230036262A1 (en) * 2019-12-18 2023-02-02 Lg Innotek Co., Ltd. Motor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014103712A (ja) * 2012-11-16 2014-06-05 Samsung R&D Institute Japan Co Ltd モータ
WO2014115775A1 (ja) * 2013-01-25 2014-07-31 日産自動車株式会社 電動機のボビン構造及びその製造方法
JP2020043624A (ja) * 2018-09-06 2020-03-19 多摩川精機株式会社 レゾルバステータおよびレゾルバ
WO2020121806A1 (ja) * 2018-12-13 2020-06-18 パナソニックＩｐマネジメント株式会社 ステータ及びそれを用いたモータ
JP2021100345A (ja) * 2019-12-23 2021-07-01 株式会社ジェイテクト インシュレータ及びモータ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014103712A (ja) * 2012-11-16 2014-06-05 Samsung R&D Institute Japan Co Ltd モータ
WO2014115775A1 (ja) * 2013-01-25 2014-07-31 日産自動車株式会社 電動機のボビン構造及びその製造方法
JP2020043624A (ja) * 2018-09-06 2020-03-19 多摩川精機株式会社 レゾルバステータおよびレゾルバ
WO2020121806A1 (ja) * 2018-12-13 2020-06-18 パナソニックＩｐマネジメント株式会社 ステータ及びそれを用いたモータ
JP2021100345A (ja) * 2019-12-23 2021-07-01 株式会社ジェイテクト インシュレータ及びモータ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230036262A1 (en) * 2019-12-18 2023-02-02 Lg Innotek Co., Ltd. Motor
US12166395B2 (en) * 2019-12-18 2024-12-10 Lg Innotek Co., Ltd. Motor

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CN118765476A (zh) 2024-10-11

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