WO2026049201A1 - Moteur électrique - Google Patents

Moteur électrique

Info

Publication number
WO2026049201A1
WO2026049201A1 PCT/KR2025/005980 KR2025005980W WO2026049201A1 WO 2026049201 A1 WO2026049201 A1 WO 2026049201A1 KR 2025005980 W KR2025005980 W KR 2025005980W WO 2026049201 A1 WO2026049201 A1 WO 2026049201A1
Authority
WO
WIPO (PCT)
Prior art keywords
pin
core
pins
straight portion
slots
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/KR2025/005980
Other languages
English (en)
Korean (ko)
Inventor
민정연
안치호
이종현
강용수
설국진
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Magna E Powertrain Co Ltd
Original Assignee
LG Magna E Powertrain Co Ltd
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 LG Magna E Powertrain Co Ltd filed Critical LG Magna E Powertrain Co Ltd
Publication of WO2026049201A1 publication Critical patent/WO2026049201A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/04—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
    • H02K15/0414—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines the windings consisting of separate elements, e.g. bars, segments or half coils
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/06—Embedding prefabricated windings in the machines
    • H02K15/062—Windings in slots; Salient pole windings
    • H02K15/064—Windings consisting of separate segments
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/06—Embedding prefabricated windings in the machines
    • H02K15/062—Windings in slots; Salient pole windings
    • H02K15/065—Windings consisting of complete sections, e.g. coils or waves
    • H02K15/066—Windings consisting of complete sections, e.g. coils or waves inserted perpendicularly to the axis of the slots or inter-polar channels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
    • H02K3/14—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots with transposed conductors, e.g. twisted conductors

Definitions

  • the present disclosure relates to an electric motor.
  • An electric motor is a device that converts electrical energy into rotational kinetic energy.
  • the electromagnetic interaction between the stator and rotor of an electric motor causes the rotor to rotate at high speeds.
  • the rotational power generated by an electric motor can be used in a variety of products, including electric vehicles. Recently, with the rapid growth of the electric vehicle (EV) market, research into high-speed, high-output electric motors is actively underway.
  • EV electric vehicle
  • the present disclosure aims to solve the above-mentioned and other problems.
  • Another purpose may be to provide a structure that can improve the efficiency of electric motors.
  • Another purpose may be to provide a structure that can improve the packaging efficiency of electric motors.
  • Another purpose may be to provide a structure that can eliminate the twisting process of pins inserted into the stator core.
  • Another purpose may be to provide a structure that can reduce the height of the end-turn of a pin inserted into the core.
  • Another purpose may be to provide a structure and method for inserting and aligning pins into a stator core.
  • Another purpose may be to provide a structure and method for welding pins inserted into a stator core.
  • Another purpose may be to provide various examples of pins inserted into the stator core.
  • the stator may include: a core having a hollow cylindrical shape; a core having slots spaced apart from each other in a circumferential direction of the core; and a coil inserted into the core, the coil may include: a first pin having a straight portion penetrating a first slot, which is one of the slots; a first pin having an inclined portion adjacent to one end of the core and extending in a direction intersecting the straight portion; and a second pin having a straight portion penetrating a second slot, which is another of the slots; a second pin having an inclined portion adjacent to the other end of the core and extending in a direction intersecting the straight portion, and a distal end of the inclined portion of the second pin may be welded to a distal end of the straight portion of the first pin.
  • An electric motor may include: a rotor; and a stator.
  • a structure capable of improving the efficiency of an electric motor can be provided.
  • a structure capable of improving the packaging efficiency of an electric motor can be provided.
  • a structure can be provided that can eliminate the twisting process of a pin inserted into a stator core.
  • a structure capable of reducing the height of an end-turn of a pin inserted into a core can be provided.
  • a structure and method for inserting and aligning a pin into a stator core can be provided.
  • a structure and method for welding pins inserted into a stator core can be provided.
  • various examples of pins inserted into a stator core can be provided.
  • Figures 1 to 34 are drawings illustrating examples of electric motors according to embodiments of the present disclosure.
  • an electric motor may include a stator (1) and a rotor (2).
  • the stator (1) may have a hollow cylinder shape.
  • a coil (30''') may be wound around the stator (1), and current may flow through the coil (30''').
  • the coil (30''') may be a component of the stator (1).
  • the housing (3) may surround the side of the stator (1).
  • the rotor (2) can be located inside the stator (1) and can have a cylindrical shape.
  • the rotor (2) can be provided with magnet(s), and when current flows in the coil (30''') of the stator (1), the rotor (2) can rotate with respect to the stator (1).
  • the magnet(s) can be a component of the rotor (2).
  • the shaft (4) can be fixed to the center of the rotor (2) and can rotate together with the rotor (2).
  • the rotation axis (A) of the shaft (4) can be parallel in the front-rear direction.
  • the shaft (4) can be connected to a drive shaft of an electric vehicle.
  • the stator (1) may include a core (10) and a coil (30''').
  • the core (10) may be referred to as a stator core (10).
  • the core (10) may have an overall hollow cylinder shape.
  • the coil (30''') may be composed of pins (30P''').
  • the pin (30P''') may be referred to as a hairpin (30P''').
  • the pin (30P'') may include a first part (30Pa'''), a second part (30Pb'''), a third part (30Pc'''), and a fourth part (30Pd'').
  • the first part (30Pa''') and the second part (30Pb''') can penetrate one end (10a) and the other end (10b) of the core (10).
  • the first part (30Pa''') and the second part (30Pb''') can be spaced apart from each other.
  • the third part (30Pc''') and the fourth part (30Pd''') can form a V-shaped bent portion and connect the first part (30Pa''') and the second part (30Pb''').
  • the first part (30Pa''') and the second part (30Pb''') can form a straight line.
  • a part of the first part (30Pa''') and a part of the second part (30Pb''') can be twisted.
  • a plurality of pins (30P''') can be inserted and twisted into the core (10).
  • the twisted portions of the pins (30P''') can be welded to each other. Accordingly, the pins (30P''') can form a coil (30''') wound around the core (10).
  • fingers (JF) of a jig (J) can be inserted between the pins (30P''').
  • the fingers (JF) of the jig (J) can be positioned on the other end (10b) of the core (10) and can be arranged along the circumferential direction of the core (10).
  • a part of each pin (30P''') can be supported by the fingers (JF) of the jig (J), and the remainder of each pin (30P''') can be twisted while being bent along the fingers (JF) of the jig (J).
  • the fingers (JF) of the jig (J) can prevent collision between the pins (30P''') and the core (10) during the twisting process of the pins (30P''').
  • the fingers (JF) of the jig (J) can be separated from the stator (1) when the twisting process of the pins (30P''') is completed.
  • a portion of the coil (30''') may protrude from one end (10a) of the core (10) and may be referred to as a first end-turn portion (301''') (see FIG. 2).
  • a portion of the coil (30''') may protrude from the other end (10b) of the core (10) and may be referred to as a second end-turn portion (302''').
  • a portion of the second end-turn portion (302''') may be referred to as a straight portion (30Pf''') and may form a space (30S''') into which fingers (JF) of the jig (J) are inserted.
  • the second end-turn portion (302''') having a straight portion (30Pf''') of a predetermined height (H0''') may have a height (H2''').
  • the stator (1) may include a core (10) and a coil (30).
  • the core (10) may be referred to as a stator core (10).
  • the core (10) may have an overall hollow cylinder shape.
  • the core (10) may include plates laminated to each other.
  • the core (10) may be a collection of thin plates and may be referred to as a lamination core.
  • the plates of the core (10) may be bonded to each other.
  • the plates of the core (10) may be referred to as sheets and may include a metal material such as steel.
  • the plates of the core (10) may have the same shape.
  • the coil (30) may be composed of pins (30P).
  • the coil (30) may include first pins (31) and second pins (32).
  • the first pins (31) may be inserted into slots (102) of the core (10) through one end (10a) of the core (10).
  • the second pins (32) may be inserted into slots (102) of the core (10) through the other end (10b) of the core (10).
  • the core (10) may include a body (101) and a slot (102).
  • the core (10) may further include a slit (103).
  • the body (101) may have a hollow cylinder shape.
  • the thickness (t1) of the body (101) may be the distance between the inner peripheral surface (101a) and the outer peripheral surface (101b) of the body (101).
  • the thickness (t1) of the body (101) may be smaller than the radius (r1) of the body (101).
  • the slot (102) may be formed by penetrating both ends of the body (101) in the axial direction of the body (101). That is, the length of the slot (102) may be equal to the length (l1, see FIG. 6) of the body (101).
  • the slot (102) may be adjacent to the inner peripheral surface (101a) of the body (101).
  • the slot (102) may extend in a direction intersecting the inner peripheral surface (101a) and the outer peripheral surface (101b) of the body (101).
  • the slot (102) may extend in the radial direction of the body (101).
  • a plurality of slots (102) may be spaced apart from each other in the circumferential direction of the body (101). For example, the number of slots (102) may be 48.
  • a slit (103) may be formed on an inner surface (101a) of the body (101) and may face a slot (102).
  • the slot (102) may be opened toward the slit (103).
  • the slit (103) may be formed long along the slot (102).
  • the length of the slit (103) may be the same as the length of the slot (102).
  • the width of the slit (103) may be smaller than the width of the slot (102).
  • the plurality of slits (103) may be spaced apart from each other in the circumferential direction of the body (101) and may correspond to the plurality of slots (102).
  • Each of the plurality of slits (103) may be aligned with each of the plurality of slots (102).
  • the slit (103) and the slot (102) may be aligned with each other in the radial direction of the body (101).
  • the pins (30P) of the coil (30) can be inserted into the slots (102) of the core (10).
  • the pins (30P) inserted into each slot (102) can form a plurality of layers. For example, six pins (30P) can be inserted into each slot (102).
  • the pins (30P) of the first layer (Y1), the pins (30P) of the second layer (Y2), the pins (30P) of the third layer (Y3), the pins (30P) of the fourth layer (Y4), the pins (30P) of the fifth layer (Y5), and the pins (30P) of the sixth layer (Y6) can be arranged in the slots (102).
  • a pin (30P) can be manufactured through the following three steps.
  • the first step (S1) may be referred to as a stripping process.
  • the second step (S2) may be referred to as a banding process.
  • the third step (S3) may be referred to as a cutting process.
  • the pin (30PP) of the first step (S1) can be extended linearly.
  • the pin (30PP) can include a conductor (30PU, conductor) and an insulating sheath (30PV, insulation [sheath]) of an insulating material surrounding the conductor (30PU).
  • a part of the sheath (30PV) can be peeled off, and a part of the conductor (30PU) can be exposed to the outside.
  • a first part (30PUa) of the conductor (30PU) can form one end of the pin (30PP) and may not be covered by the sheath (30PV).
  • a second part (30PUd) of the conductor (30PU) can be located at the center of the pin (30PP) and may not be covered by the sheath (30PV).
  • the third part (30PUc) of the conductor (30PU) may form the other end of the pin (30PP) and may not be covered by the covering (30PV).
  • the pin (30PP) of the second step (S2) can be bent.
  • the pin (30PP) can include a straight portion (30Pa), an inclined portion (30Pd), and a straight portion (30Pc).
  • the straight portion (30Pa) can extend linearly and include a first portion (30PUa) of a conductor (30PU).
  • the inclined portion (30Pd) can be bent in a first direction (DR1) from the straight portion (30Pa) and include a second portion (30PUd) of the conductor (30PU).
  • the straight portion (30Pc) can be bent in a second direction (DR2) opposite to the first direction (DR1) from the inclined portion (30Pd) and include a third portion (30PUc) of the conductor (30PU).
  • the angle (theta a) between the straight portion (30Pa) and the inclined portion (30Pd) can be an obtuse angle.
  • the angle (theta b) between the inclined portion (30Pd) and the straight portion (30Pc) may be an obtuse angle.
  • the angles (theta a, b) may be equal to each other.
  • the pin (30PP) may be symmetrical with respect to the center point of the inclined portion (30Pd).
  • the pin (30PP) of the third step (S3) may be divided into two pins (30P, pins) by cutting the second part (30PUd) of the conductor (30PU).
  • the two pins (30P) may have the same shape.
  • the first pin (31) may include a straight part (30Pa) and an inclined part (30Pd) that is cut in half.
  • the second pin (32) may include a straight part (30Pc) and an inclined part (30Pd) that is cut in half.
  • the inclined part (30Pd) that is cut in half may be referred to as an inclined part (30Pb).
  • the second part (30PUd) of the conductor (30PU) that is cut in half may be referred to as a second part (30PUb).
  • the straight part (30Pc) of the second pin (32) may be referred to as a straight part (30Pa).
  • the third portion (30PUc) of the second pin (32) may be referred to as the first portion (30PUa).
  • Each pin (30P) may be referred to as a hairpin (30P).
  • each pin (30P) may have a bent shape before being inserted into the core (10) of the stator (1), and may be referred to as a pre-bent pin (30P) or a pre-twisted pin (30P).
  • the plurality of pins (30P) may have the same or similar shapes.
  • the plurality of pins (30P) may be inserted into the core (10) of the stator (1).
  • the straight portion (30Pa) of the first pin (31) can sequentially penetrate one end (10a) and the other end (10b) of the core (10).
  • the length of the straight portion (30Pa) can be greater than the length (l1) of the core (10).
  • the inclined portion (30Pb) of the first pin (31) can extend inclinedly adjacent to one end (10a) of the core (10).
  • the inclined portion (30Pb) of one first pin (31) can extend inclinedly in the first direction.
  • the inclined portion (30Pb) of the other first pin (31) can extend inclinedly in the second direction.
  • the straight portion (30Pa) of the second pin (32) can sequentially penetrate the other end (10b) and one end (10a) of the core (10).
  • the length of the straight portion (30Pa) can be greater than the length (l1) of the core (10).
  • the inclined portion (30Pb) of the second pin (32) can extend inclinedly adjacent to the other end (10b) of the core (10).
  • the inclined portion (30Pb) of one of the second pins (32) can extend inclinedly in a third direction.
  • the inclined portion (30Pb) of the other of the second pins (32) can extend inclinedly in a fourth direction.
  • a plurality of second pins (32) may be inserted into slots (102) of the core (10) from one side of the core (10).
  • a plurality of first pins (31) may be inserted into slots (102) of the core (10) from the other side of the core (10).
  • the pins (31, 32) of the first layers of the slots (102) may be arranged alternately with each other.
  • the remaining pins (not shown) may also be inserted into the remaining layers of the slots (102).
  • the number of slots (102) may be 48
  • each slot (102) may include 6 layers
  • the total number of pins (30P) inserted into the core (10) may be 288.
  • a portion of the coil (30) may protrude from one end (10a) of the core (10) and may be referred to as a first end-turn portion (301).
  • a portion of the coil (30) may protrude from the other end (10b) of the core (10) and may be referred to as a second end-turn portion (302).
  • the coil (30) inserted into the core (10) already has a twisted form, so that a separate twisting process is unnecessary.
  • the coil (30) can lower the height of the end-turn portions (301, 302) by an amount corresponding to the height of the jig (J).
  • the electrical efficiency of the motor can be improved.
  • the overall height (length) of the motor can be lowered, so that the packaging efficiency can be improved.
  • the pin (30P) may include a conductor (30PU) and an insulating sheath (30PV) made of an insulating material surrounding the conductor (30PU).
  • a first portion (30PUa) of the conductor (30PU) may form one end of the pin (30P) and may not be covered by the sheath (30PV).
  • a second portion (30PUb) of the conductor (30PU) may form the other end of the pin (30P) and may not be covered by the sheath (30PV).
  • the pin (30P) may have an overall r shape.
  • the pin (30P) may include a straight portion (30Pa) and an inclined portion (30Pb).
  • the straight portion (30Pa) may extend linearly.
  • the longitudinal direction of the straight portion (30Pa) may be parallel to the longitudinal direction of the slot (102) of the core (10) (see FIG. 6).
  • the length of the straight portion (30Pa) may be greater than the length of the slot (102) (see FIG. 6).
  • the first portion (30PUa) of the conductor (30PU) may be formed in the straight portion (30Pa).
  • the inclined portion (30Pb) may extend in a direction intersecting the straight portion (30Pa).
  • the inclined portion (30Pb) may extend diagonally with respect to the straight portion (30Pa).
  • the angle between the inclined portion (30Pb) and the straight portion (30Pa) may be an obtuse angle.
  • the length of the inclined portion (30Pb) may be smaller than the length of the straight portion (30Pa).
  • the second portion (30PUb) of the conductor (30PU) may be formed on the inclined portion (30Pb).
  • the longitudinal direction of the slot (102) may correspond to the longitudinal direction of the core (10)
  • the depth direction of the slot (102) may correspond to the radial direction of the core (10)
  • the width direction of the slot (102) may correspond to the circumferential direction of the core (10) (see FIGS. 6 and 7).
  • a portion of the straight portion (30Pa) forming the end of the straight portion (30Pa) may form a stepped portion (30Pa3) with respect to the remaining portion of the straight portion (30Pa).
  • the stepped portion (30Pa3) may be formed in the depth direction of the slot (102) (see FIG. 7).
  • the straight portion (30Pa) may include a first part (30Pa1) and a second part (30Pa2).
  • the first part (30Pa1) may form most of the straight portion (30Pa) and may extend linearly.
  • the second part (30Pa2) may form the end of the straight portion (30Pa) and may form a stepped portion (30Pa3) that is lowered from the first part (30Pa1) in the depth direction of the slot (102).
  • the step portion (30Pa3) can be bent in a direction parallel to the depth direction of the slot (102) from the first part (30Pa1), and the second part (30Pa2) can be bent in a direction parallel to the first part (30Pa1) from the step portion (30Pa3).
  • the inclined portion (30Pb) can form a stepped portion (30Pb3) that is lowered from the straight portion (30Pa) in the depth direction of the slot (102) (see FIG. 7).
  • the stepped portion (30Pbc) of the inclined portion (30Pb) can be bent from the straight portion (30Pa) in a direction parallel to the depth direction of the slot (102), and the remaining portion of the inclined portion (30Pb) can extend from the stepped portion (30Pbc) in a direction intersecting the straight portion (30Pa).
  • a portion of the straight portion (30Pa) forming the end of the straight portion (30Pa) may form a stepped portion (30Pa3) with respect to the remaining portion of the straight portion (30Pa).
  • the stepped portion (30Pa3) may be formed in the depth direction of the slot (102) (see FIG. 7).
  • the straight portion (30Pa) may include a first part (30Pa1) and a second part (30Pa2).
  • the first part (30Pa1) may form most of the straight portion (30Pa) and may extend linearly.
  • the second part (30Pa2) may form the end of the straight portion (30Pa) and may form a stepped portion (30Pa3) that is lowered from the first part (30Pa1) in the depth direction of the slot (102).
  • the step portion (30Pa3) can be bent in a direction parallel to the depth direction of the slot (102) from the first part (30Pa1), and the second part (30Pa2) can be bent in a direction parallel to the first part (30Pa1) from the step portion (30Pa3).
  • the inclined portion (30Pb) may not form a step with respect to the straight portion (30Pa), and may extend from the straight portion (30Pa) in a direction intersecting the straight portion (30Pa).
  • a straight section (30Pa) may not form a step with respect to another part and may extend linearly.
  • the inclined portion (30Pb) can form a stepped portion (30Pb3) that is lowered from the straight portion (30Pa) in the depth direction of the slot (102) (see FIG. 7).
  • the stepped portion (30Pbc) of the inclined portion (30Pb) can be bent from the straight portion (30Pa) in a direction parallel to the depth direction of the slot (102), and the remaining portion of the inclined portion (30Pb) can extend from the stepped portion (30Pbc) in a direction intersecting the straight portion (30Pa).
  • a straight section (30Pa) may not form a step in one part relative to another part and may extend linearly.
  • the inclined portion (30Pb) may not form a step with respect to the straight portion (30Pa), and may extend from the straight portion (30Pa) in a direction intersecting the straight portion (30Pa).
  • the pin (30P) having a straight portion (30Pa) and an inclined portion (30Pb) may include a step portion (30Pa3) and/or a step portion (30Pb3), or may not include steps (30Pa3, 30Pb3).
  • the pin (30P) of Fig. 13 may be referred to as a pin (30P) having steps (30Pa3, 30Pb3)
  • the pin (30P) of Fig. 14 may be referred to as a pin (30P) having a step portion (30Pa3)
  • the pin (30P) of Fig. 15 may be referred to as a pin (30P) having a step portion (30Pb3)
  • the pin (30P) of Fig. 16 may be referred to as a pin (30P) not having steps (30Pa3, 30Pb3).
  • each slot (102) can form multiple layers.
  • the first layer (Y1) of the slot (102) can face the slit (103), and the second to sixth layers (Y2, Y3, Y4, Y5, Y6) of the slot (102) can be sequentially formed on the first layer (Y1) (see FIG. 8).
  • the second pin (32-1) inserted into the slot (102) may have a straight portion (30Pa) having a step portion (30Pa3).
  • the straight portion (30Pa) of the second pin (32-1) may sequentially penetrate the other end (10b) and one end (10a) of the core (10) (see FIG. 6).
  • the straight portion (30Pa) of the second pin (32-1) may move in a direction from the inner peripheral surface (101a) of the core (10) toward the outer peripheral surface (101b) (see the dotted arrow in FIG. 18) and may be located in the sixth layer (Y6, see FIG. 8) of the slot (102).
  • the second part (30Pa2) of the straight section (30Pa) can be offset from the first part (30Pa1) of the sixth layer (Y6) in the radial direction of the core (10) (i.e., in the direction toward the outer surface (101b) of the core (10)) in correspondence with the step section (30Pa3).
  • the first pin (31-2) inserted into the slot (102) may have an inclined portion (30Pb) having a stepped portion (30Pb3).
  • the straight portion (30Pa) of the first pin (31-2) may sequentially penetrate one end (10a) and the other end (10b) of the core (10) (see FIG. 6).
  • the straight portion (30Pa) of the first pin (31-2) may move in a direction from the inner peripheral surface (101a) of the core (10) toward the inner peripheral surface (101b) and may be positioned in the fifth layer (Y5, see FIG. 8) of the slot (102).
  • the inclined portion (30Pb) may be offset in the radial direction of the core (10) (i.e., in the direction toward the outer surface (101b) of the core (10)) from the straight portion (30Pa) of the fifth layer (Y5) in correspondence with the step portion (30Pb3).
  • the step portion (30Pb3) of the first pin (31-2) may overlap with the step portion (30Pa3) of the second pin (32-1).
  • the first pin (31-3) inserted into the slot (102) may have an inclined portion (30Pb) having a stepped portion (30Pb3).
  • the straight portion (30Pa) of the first pin (31-3) may sequentially penetrate one end (10a) and the other end (10b) of the core (10) (see FIG. 6).
  • the straight portion (30Pa) of the first pin (31-3) may move in a direction from the outer peripheral surface (101b) of the core (10) toward the inner peripheral surface (101a) and may be positioned on the first layer (Y1, see FIG. 8) of the slot (102).
  • the inclined portion (30Pb) may be offset from the straight portion (30Pa) of the first layer (Y1) in a direction opposite to the radial direction of the core (10) (i.e., in a direction toward the inner surface (101a) of the core (10)) in correspondence with the step portion (30Pb3).
  • the second pin (32-4) inserted into the slot (102) may have a straight portion (30Pa) having a step portion (30Pa3).
  • the straight portion (30Pa) of the second pin (32-4) may sequentially penetrate the other end (10b) and one end (10a) of the core (10) (see FIG. 6).
  • the straight portion (30Pa) of the second pin (32-4) may move in a direction from the outer surface (101b) of the core (10) toward the outer surface (101a) and may be positioned in the second layer (Y2, see FIG. 8) of the slot (102).
  • the second part (30Pa2) of the straight portion (30Pa) may be offset from the first part (30Pa1) of the second layer (Y2) in a direction opposite to the radial direction of the core (10) (i.e., toward the inner surface (101a) of the core (10)) in correspondence with the step portion (30Pa3).
  • the step portion (30Pa3) of the second pin (32-4) may overlap with the step portion (30Pb3) of the first pin (32-3).
  • the first pin (31-5) inserted into the slot (102) may have an inclined portion (30Pb) without a step portion (30Pb3).
  • the straight portion (30Pa) of the first pin (31-5) may sequentially penetrate one end (10a) and the other end (10b) of the core (10) (see FIG. 6).
  • the straight portion (30Pa) of the first pin (31-5) may be located in the third layer (Y3, see FIG. 8) of the slot (102).
  • the second pin (32-6) inserted into the slot (102) may have a straight portion (30Pa) without a step portion (30Pa3).
  • the straight portion (30Pa) of the second pin (32-6) may sequentially penetrate the other end (10b) and one end (10a) of the core (10) (see FIG. 6).
  • the straight portion (30Pa) of the second pin (32-6) may be located in the fourth layer (Y4, see FIG. 8) of the slot (102).
  • six pins (30P) can be inserted and aligned in the slot (102).
  • three first pins (31) and three second pins (32) can be alternately arranged.
  • the three first pins (31-3, 31-5, 31-2) can be positioned in the first, third, and fifth layers (Y1, Y3, Y5) of the slot (102).
  • the three second pins (32-4, 32-6, 32-1) can be positioned in the second, fourth, and sixth layers (Y2, Y4, Y6).
  • the direction of the inclined portion (30Pb) of the first pin (31-3) can be opposite to the direction of the inclined portions (30Pb) of the other first pins (31-2, 31-5).
  • an insulating paper (40, see FIGS. 25 and 26) may wrap the pins (30P) within the slot (102).
  • the insulating paper (40) may provide electrical insulation between the pins (30P) and the core (10).
  • Figs. 17 to 20 may be drawings for explaining a method of inserting and aligning the pins (30P) into odd-numbered slots (102-1).
  • the straight portion (30Pa) of the first pin (31-3) may be positioned in the first layer (Y1), and the inclined portion (30Pb) of the first pin (31-3) may be positioned corresponding to a layer lower than the first layer (Y1) (i.e., a layer closer to the center of the core (10).
  • the inclined portion (30Pb) of the first pin (31-3) may extend in a counterclockwise direction (CCW).
  • the straight portion (30Pa) of the first pin (31-5) may be positioned on the third layer (Y3), and the inclined portion (30Pb) of the first pin (31-5) may be positioned corresponding to the third layer (Y3).
  • the inclined portion (30Pb) of the first pin (31-3) may extend in a clockwise direction (CW).
  • the straight portion (30Pa) of the first pin (31-2) may be positioned in the fifth layer (Y5), and the inclined portion (30Pb) of the first pin (31-2) may be positioned corresponding to a layer higher than the fifth layer (Y5) (i.e., a layer further from the center of the core (10).
  • the inclined portion (30Pb) of the first pin (31-2) may be positioned corresponding to the sixth layer (Y6) and may extend in a clockwise direction (CW).
  • the inclined portion (30Pb) of the first pin (31) having a straight portion (30Pa) located on the second layer (Y2) can be positioned corresponding to the second layer (Y2).
  • the inclined portion (30Pb) of the first pin (31) can extend in a counterclockwise direction (CCW).
  • the inclined portion (30Pb) of the first fin (31) having a straight portion (30Pa) located on the fourth layer (Y4) may be positioned corresponding to a layer higher than the fourth layer (Y4) (i.e., a layer further from the center of the core (10).
  • the inclined portion (30Pb) of the first fin (31) may be positioned corresponding to the fifth layer (Y5) and may extend in a counterclockwise direction (CCW).
  • the inclined portion (30Pb) of the first fin (31) having a straight portion (30Pa) located on the sixth layer (Y6) may be positioned corresponding to a layer higher than the sixth layer (Y6) (i.e., a layer further from the center of the core (10).
  • the inclined portion (30Pb) of the first fin (31) may extend in a counterclockwise direction (CCW).
  • Figs. 17 to 20 may be drawings for explaining a method of inserting and aligning the pins (30P) into odd-numbered slots (102-1).
  • the straight portion (30Pa) of the first pin (31-3) may be located on the first layer (Y1) and may not have a step portion (30Pa3).
  • the first portion (30PUa) of the first pin (31-3) may be located corresponding to the first layer (Y1).
  • the straight portion (30Pa) of the first pin (31-5) may be positioned on the third layer (Y3) and may have a stepped portion (30Pa3).
  • the first portion (30PUa) of the first pin (31-5) may be positioned corresponding to a layer higher than the third layer (Y3) (i.e., a layer further from the center of the core (10).
  • the first portion (30PUa) of the first pin (31-5) may be positioned corresponding to the fourth layer (Y4).
  • the straight portion (30Pa) of the first fin (31-2) may be positioned on the fifth layer (Y5) and may have a stepped portion (30Pa3).
  • the first portion (30PUa) of the first fin (31-2) may be positioned corresponding to a layer higher than the sixth layer (Y6) (i.e., a layer further from the center of the core (10).
  • the first portion (30PUa) of the first fin (31-2) may be positioned corresponding to a layer higher than the sixth layer (Y6).
  • the first part (30PUa) of the first fin (31) having a straight portion (30Pa) located on the second layer (Y2) can be positioned corresponding to a layer lower than the second layer (Y2) (i.e., a layer closer to the center of the core (10)).
  • the first part (30PUa) of the first pin (31) having a straight portion (30Pa) located on the fourth layer (Y4) can be positioned corresponding to the fourth layer (Y4).
  • the first part (30PUa) of the first fin (31) having a straight portion (30Pa) located on the sixth layer (Y6) can be positioned corresponding to a layer higher than the sixth layer (Y6) (i.e., a layer further from the center of the core (10)).
  • the first pins (31) and the second pins (32) in the even-numbered slots (102) may be alternately arranged.
  • the second pins (32) may be positioned in the first, third, and fifth layers (Y1, Y3, Y5).
  • the first pins (31) may be positioned in the second, fourth, and sixth layers (Y2, Y4, Y6).
  • the second pin (32) of the first layer (Y1) may include a straight portion (30Pa) and an inclined portion (30Pb), and may include a step portion (30Pb3) between the straight portion (30Pa) and the inclined portion (30Pb).
  • the first pin (31) of the second layer (Y2) may include a straight portion (30Pa) and an inclined portion (30Pb), and may include a step portion (30Pa3) between the first part (30Pa1) and the second part (30Pa2) of the straight portion (30Pa).
  • the second pin (32) of the third layer (Y3) may include a straight portion (30Pa) and an inclined portion (30Pb), and a step portion may not be formed between the straight portion (30Pa) and the inclined portion (30Pb).
  • the first pin (31) of the fourth layer (Y4) may include a straight portion (30Pa) and an inclined portion (30Pb), and a step portion may not be formed in the straight portion (30Pa).
  • the second pin (32) of the fifth layer (Y5) may include a straight portion (30Pa) and an inclined portion (30Pb), and may include a step portion (30Pb3) between the straight portion (30Pa) and the inclined portion (30Pb).
  • the first pin (31) of the sixth layer (Y6) may include a straight portion (30Pa) and an inclined portion (30Pb), and may include a step portion (30Pa3) between the first part (30Pa1) and the second part (30Pa2) of the straight portion (30Pa).
  • the step portion (30Pa3) of the first pin (31) of the second layer (Y2) may overlap with or be adjacent to the step portion (30Pb3) of the second pin (32) of the first layer (Y1).
  • the step portion (30Pb3) of the second fin (32) of the fifth layer (Y5) may overlap with or be adjacent to the step portion (30Pa3) of the first fin (31) of the sixth layer (Y6).
  • the first pins (31) and the second pins (32) in the odd-numbered slots (102) may be alternately arranged.
  • the first pins (31) may be positioned in the first, third, and fifth layers (Y1, Y3, Y5).
  • the second pins (32) may be positioned in the second, fourth, and sixth layers (Y2, Y4, Y6).
  • the first pin (31) of the first layer (Y1) may include a straight portion (30Pa) and an inclined portion (30Pb), and a step portion may not be formed in the straight portion (30Pa).
  • the second pin (32) of the second layer (Y2) may include a straight portion (30Pa) and an inclined portion (30Pb), and a step portion may not be formed between the straight portion (30Pa) and the inclined portion (30Pb).
  • the first pin (31) of the third layer (Y3) may include a straight portion (30Pa) and an inclined portion (30Pb), and may include a step portion (30Pa3) between the first part (30Pa1) and the second part (30Pa2) of the straight portion (30Pa).
  • the second pin (32) of the fourth layer (Y4) may include a straight portion (30Pa) and an inclined portion (30Pb), and may include a step portion (30Pb3) between the straight portion (30Pa) and the inclined portion (30Pb).
  • the first pin (31) of the fifth layer (Y5) may include a straight portion (30Pa) and an inclined portion (30Pb), and may include a step portion (30Pa3) between the first part (30Pa1) and the second part (30Pa2) of the straight portion (30Pa).
  • the second pin (32) of the sixth layer (Y6) may include a straight portion (30Pa) and an inclined portion (30Pb), and may include a step portion (30Pb3) between the straight portion (30Pa) and the inclined portion (30Pb).
  • the step portion (30Pa3) of the first pin (31) of the third layer (Y3), the step portion (30Pb3) of the second pin (32) of the fourth layer (Y4), the step portion (30Pa3) of the first pin (31) of the fifth layer (Y5), and the step portion (30Pb3) of the second pin (32) of the sixth layer (Y6) may overlap or be adjacent to each other.
  • the first pins (31) and the second pins (32) may be alternately arranged within each slot (102).
  • the first pins (31) may be positioned in the first layers (Y1, see FIG. 8) of odd-numbered slots (102-1, 102-3, 102-5, 102-7, 102-9, 102-11).
  • the second pins (32) may be positioned in the first layers (Y1, see FIG. 8) of even-numbered slots (102-2, 102-4, 102-6, 102-8, 102-10). That is, in the circumferential direction of the core (10), the first pins (31) and the second pins (32) can be arranged alternately.
  • the inclined portions (30Pb) of the second fins (32) may be arranged along the circumferential direction of the core (10).
  • the inclined portions (30Pb) of the second fins (32) located at a first distance from the center of the core (10) may extend in a first direction.
  • the inclined portions (30Pb) of the second fins (32) located at a second distance from the center of the core (10) may extend in a second direction intersecting the first direction.
  • the distance between the inclined portion (30Pb) and the other end (10b) of the core (10) may increase.
  • the inclined portion (30Pb) of one second fin (32) may extend along the edge of the inclined portion (30Pb) of the other second fin (32).
  • inclined portions (30Pb) extending diagonally can be overlapped (or close to) in a chain.
  • the inclined portion (30Pb) of the second pin (32) inserted into the first layer (Y1) of the second slot (102-2) can extend along the inclined portion (30Pb) of the second pin (32) inserted into the first layer (Y1) of the fourth slot (102-4).
  • the inclined portion (30Pb) of the second pin (32) inserted into the first layer (Y1) of the fourth slot (102-4) can extend along the inclined portion (30Pb) of the second pin (32) inserted into the first layer (Y1) of the sixth slot (102-6).
  • the inclined portion (30Pb) of the second pin (32) inserted into the first layer (Y1) of the sixth slot (102-6) can extend along the inclined portion (30Pb) of the second pin (32) inserted into the first layer (Y1) of the eighth slot (102-8).
  • the inclined portion (30Pb) of the second pin (32) inserted into the first layer (Y1) of the eighth slot (102-8) can extend along the inclined portion (30Pb) of the second pin (32) inserted into the first layer (Y1) of the tenth slot (102-10).
  • the straight portions (30Pa) of the first pins (31) may be arranged along the circumferential direction of the core (10). An end of the straight portion (30Pa) of one of the first pins (31) may overlap an end of an inclined portion (30Pb) of one of the second pins (32). An end of the inclined portion (30Pb) of the second pin (32) may be positioned corresponding to one of the slots (102) and may be (laser) welded to an end of the straight portion (30Pa) of the first pin (31) inserted into one of the slots (102). Each of the inclined portions (30Pb) and the straight portions (30Pa) welded to each other may form a hypotenuse and a height of a right triangle (see FIG. 27).
  • a first portion (30PUa) of each of the first pins (31) can be welded to a second portion (30PUb) of each of the second pins (32) (see welding points in Fig. 26).
  • the first portion (30PUa) can be referred to as a first weld portion (30PUa)
  • the second portion (30PUb) can be referred to as a second weld portion (30PUb).
  • the second part (30PUb) of the second pin (32) inserted into the first layer (Y1) of the second slot (102-2) can be positioned corresponding to the eighth slot (102-8) and can be welded to the first part (30PUa) of the first pin (31) inserted into the second layer (Y2) of the eighth slot (102-8).
  • the second part (30PUb) of the second pin (32) inserted into the first layer (Y1) of the fourth slot (102-4) can be positioned corresponding to the tenth slot (102-10) and can be welded to the first part (30PUa) of the first pin (31) inserted into the second layer (Y2) of the tenth slot (102-10).
  • each of the pins (30P) inserted into the core (10) can be welded to another pin adjacent to the other end (10b) of the core (10) and can be welded to another pin adjacent to one end (10a) of the core (10).
  • each of the first portion (30PUa) and the second pin (30PUb) of each pin (30P) can provide a welding point.
  • the welded pins (30P) can be provided as a coil (30) wound around the core (10).
  • the pins (30P) welded in the above-described manner can form a continuous hairpin (30).
  • the first layer (1L) may be located at a first distance from the center of the core (10).
  • the second layer (2L) may be located at a second distance greater than the first distance from the center of the core (10).
  • the third layer (3L) may be located at a third distance greater than the second distance from the center of the core (10).
  • the fourth layer (4L) may be located at a fourth distance greater than the third distance from the center of the core (10).
  • the fifth layer (5L) may be located at a fifth distance greater than the fourth distance from the center of the core (10).
  • the sixth layer (6L) may be located at a sixth distance greater than the fifth distance from the center of the core (10).
  • the seventh layer (7L) may be located at a seventh distance greater than the sixth distance from the center of the core (10).
  • the eighth layer (8L) may be located at an eighth distance greater than the seventh distance from the center of the core (10).
  • the ninth layer (9L) may be located at a ninth distance greater than the eighth distance from the center of the core (10).
  • the first weld portion (30PUa) may be welded to the second weld portion (30PUb) to form a welding pair.
  • One welding pair may be located in two layers.
  • One layer may be located between two welding pairs.
  • the pins (30P) inserted into the odd-numbered slots (102) can form three weld pairs located in the second, third, fifth, sixth, eighth, and ninth layers (2L, 3L, 5L, 6L, 8L, 9L).
  • the pins (30P) located in the even-numbered slots (102) can form three weld pairs located in the first, second, fourth, fifth, seventh, and eighth layers (1L, 2L, 4L, 5L, 7L, 8L).
  • the weld pairs In the circumferential direction of the core (10), the weld pairs can be arranged in a zigzag pattern.
  • weld pairs of the coil (30) can be positioned across nine layers (1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L), and the above nine layers can be referred to as twisting layers.
  • the pins (30P) inserted into the six layers (Y1, Y2, Y3, Y4, Y5, Y6) of the slot (102) can form nine layers (1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L). This may be possible due to the shape of the step portion of the pin (30P) and the arrangement of the pins (30P) described above with reference to FIGS. 13-16 and 23-24, etc.
  • the second to seventh layers (2L, 3L, 4L, 5L, 6L, 7L, 8L) may correspond to the first to sixth layers (Y1, Y2, Y3, Y4, Y5, Y6).
  • a pin (30P') may be provided.
  • the inclined portion (30Pb') of the pin (30P') may extend obliquely from the straight portion (30Pa) and may have a wave shape. That is, the inclined portion (30Pb') may include ridges (30Pb1', ridge) and valleys (30Pb2', groove) that are alternately arranged.
  • the straight portion (30Pa) of the first pin (31') can sequentially penetrate one end (10a) and the other end (10b) of the core (10).
  • the straight portion (30Pa) of the first pin (31') can have a shape protruding from one end (10a) of the core (10).
  • the straight portion (30Pa) of the second pin (32') can sequentially penetrate the other end (10b) and one end (10a) of the core (10).
  • the inclined portion (30Pb') of the second pin (32') can have a shape that extends diagonally adjacent to the other end (10b) of the core (10).
  • first fins (31') and the second fins (32') may be alternately arranged.
  • the inclined portion (30Pb') of the second fin (32') may have a wave shape to avoid the straight portions (30Pa) of the first fins (31').
  • the inclined portion (30Pb') may include valleys (30Pb2') where three straight portions (30Pa) are located.
  • the step between the inclined portion (30Pb) and the straight portion (30Pa) described above in FIGS. 13 to 16 may be omitted.
  • some of the pins (30P') may not be positioned outside the slot (102).
  • a pin (30P'') may be provided as a modified example of the aforementioned pin (30P).
  • the inclined portion (30Pb'') of the pin (30P'') may extend obliquely from the straight portion (30Pa) and may have a pulse shape. That is, the inclined portion (30Pb') may include ridges (30Pb1'', ridge) and valleys (30Pb2'', groove) that are alternately arranged.
  • the straight portion (30Pa) of the first pin (31'') can sequentially penetrate one end (10a) and the other end (10b) of the core (10).
  • the straight portion (30Pa) of the first pin (31'') can have a shape protruding from one end (10a) of the core (10).
  • the straight portion (30Pa) of the second pin (32'') can sequentially penetrate the other end (10b) and one end (10a) of the core (10).
  • the inclined portion (30Pb'') of the second pin (32'') can have a shape that extends diagonally adjacent to the other end (10b) of the core (10).
  • the inclined portion (30Pb') of the second pin (32'') has a pulse shape so as to avoid the straight portions (30Pa) of the first pins (31'').
  • the inclined portion (30Pb'') can include a valley (30Pb2') where two straight portions (30Pa) are located.
  • the step between the inclined portion (30Pb) and the straight portion (30Pa) described above in FIGS. 13 to 16 may be omitted.
  • some of the pins (30P'') may not be positioned outside the slot (102).
  • the current of the first phase (U, phase 1) can be applied to the coil (30) inserted in slots 1, 2, 7, 8, 13, 14, 19, 20, 25, 26, 31, 32, 37, 38, 43, and 44.
  • the current of the first phase (U) can flow in the order 1->2->3->...->46->47->48 indicated in the shaded portions of Fig. 33 (i.e., slots 1, 2, 7, 8, 13, 14, 19, 20, 25, 26, 31, 32, 37, 38, 43, and 44).
  • the current of the first phase can flow in the order 48->47->46->...->3->2->1 indicated in the shaded portions of Fig. 34 (i.e., slots 1, 2, 7, 8, 13, 14, 19, 20, 25, 26, 31, 32, 37, 38, 43, 44). Accordingly, the current of the first phase (U) can pass through the first winding of the coil (30).
  • the current of the second phase (V, phase 2) can be applied to the coil (30) inserted in slots 3, 4, 9, 10, 15, 16, 21, 22, 27, 28, 33, 34, 39, 40, 45, and 46. Accordingly, the current of the second phase (V) can pass through the second winding of the coil (30).
  • the current of the third phase can be applied to the coil (30) inserted in slots 5, 6, 11, 12, 17, 18, 23, 24, 29, 30, 35, 36, 41, 42, 47, and 48. Accordingly, the current of the third phase (W) can pass through the third winding of the coil (30).
  • the stator of the present disclosure may include: a core having a hollow cylindrical shape; a core having slots spaced apart from each other in a circumferential direction of the core; and a coil inserted into the core, the coil including: a first pin having a straight portion penetrating a first slot, which is one of the slots; a first pin having an inclined portion adjacent to one end of the core and extending in a direction intersecting the straight portion; and a second pin having a straight portion penetrating a second slot, which is another of the slots; a second pin having an inclined portion adjacent to the other end of the core and extending in a direction intersecting the straight portion, wherein a distal end of the inclined portion of the second pin may be welded to a distal end of the straight portion of the first pin.
  • the angle between the inclined portion of the second pin and the straight portion of the second pin may be an obtuse angle.
  • the distance between the inclined portion of the second pin and the other end of the core may increase as the inclined portion of the second pin moves away from the straight portion of the second pin.
  • the above first pin and the above second pin can be separated from one pin.
  • the first pin and the second pin may be symmetrical with respect to the center point of one pin.
  • the straight portion of the first pin may include: a first part positioned within the first slot and extending in the longitudinal direction of the first slot; a second part positioned outside the first slot; and a step portion bent from the first part in the depth direction of the first slot and connecting the first part and the second part.
  • the inclined portion of the first pin may form a step portion with respect to the straight portion of the first pin, and the step portion of the first pin may be bent in the depth direction of the first slot from the straight portion of the first pin.
  • the first pin may be one of the first pins
  • the second pin may be one of the second pins
  • the first pins and the second pins may be inserted into each of the slots and may be arranged alternately in the depth direction of each of the slots.
  • Some of the first pins inserted into each of the slots may include a step portion that is bent in the depth direction of each of the slots, and some of the second pins inserted into each of the slots may include a step portion that is bent in the depth direction of each of the slots.
  • the number of layers formed by the first and second pins within the slot may be less than the number of layers formed by the first and second pins outside the slot.
  • the step portion of the first pin and the step portion of the second pin can overlap each other in a diagonal direction.
  • the first pins and the second pins may be arranged alternately in the circumferential direction of the core.
  • the inclined portions of the second pins may be overlapped in a chain manner in the circumferential direction of the core.
  • the inclined portion of the second pin may have a wave or pulse shape and may include a groove in which the straight portion of the first pin is located.
  • the first pins and the second pins can form a continuous hairpin wound around the core.
  • the stator may include: a core having a hollow cylindrical shape; a core having slots spaced apart from each other in a circumferential direction of the core; and a coil inserted into the core, the coil including: a first pin having a straight portion penetrating a first slot, which is one of the slots; a first pin adjacent to one end of the core and having an inclined portion extending in a direction intersecting the straight portion; and a second pin having a straight portion penetrating a second slot, which is another of the slots; a second pin adjacent to the other end of the core and having an inclined portion extending in a direction intersecting the straight portion; and both ends of the first pin and the second pin may form a welded portion.
  • the first pin may be one of the first pins
  • the second pin may be one of the second pins
  • the first pins and the second pins may be inserted into each of the slots and may be alternately arranged in the depth direction of each of the slots
  • the second pin among the second pins located at a first distance from the center of the core may include an inclined portion extending in a first direction
  • the second pin among the second pins located at a second distance from the center of the core may include an inclined portion extending in a second direction intersecting the first direction.
  • the stator may further include an insulating material positioned in each of the slots and surrounding the first pins and the second pins.
  • the core may further include slits formed on an inner surface of the core and positioned corresponding to the slots, and the width of the slits may be smaller than the width of the slots.
  • An electric motor may include: a rotor; and a stator.
  • a configuration A described in a particular embodiment and/or drawing can be combined with a configuration B described in another embodiment and/or drawing. That is, even if a combination between configurations is not directly described, it means that a combination is possible, except in cases where a combination is described as impossible.

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

Abstract

Un stator de la présente divulgation peut comprendre : un noyau présentant une forme cylindrique creuse et comportant des fentes espacées les unes des autres dans la direction circonférentielle du noyau ; et une bobine insérée dans le noyau. La bobine peut comprendre : une première broche comportant une partie rectiligne passant à travers une première fente, qui est l'une quelconque des fentes, la première broche étant adjacente à une extrémité du noyau et possédant une partie inclinée qui s'étend dans une direction croisant la partie rectiligne ; et une seconde broche comportant une partie rectiligne passant à travers une deuxième fente, qui est une autre des fentes, la seconde broche étant adjacente à l'autre extrémité du noyau et possédant une partie inclinée qui s'étend dans une direction croisant la partie rectiligne, l'extrémité de la partie inclinée de la seconde broche pouvant être soudée à l'extrémité de la partie rectiligne de la première broche.
PCT/KR2025/005980 2024-08-26 2025-05-02 Moteur électrique Pending WO2026049201A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2024-0114239 2024-08-26
KR20240114239 2024-08-26

Publications (1)

Publication Number Publication Date
WO2026049201A1 true WO2026049201A1 (fr) 2026-03-05

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150249369A1 (en) * 2014-03-03 2015-09-03 Hon Hai Precision Industry Co., Ltd. Stator
JP6485548B2 (ja) * 2015-07-23 2019-03-20 アイシン・エィ・ダブリュ株式会社 ステータおよびステータの製造方法
KR20200085560A (ko) * 2019-01-07 2020-07-15 엘지전자 주식회사 회전전기기계의 스테이터
KR20210089500A (ko) * 2020-01-08 2021-07-16 엘지전자 주식회사 회전 전기 기기의 스테이터
KR20210117057A (ko) * 2020-03-18 2021-09-28 엘지마그나 이파워트레인 주식회사 전동기의 스테이터

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150249369A1 (en) * 2014-03-03 2015-09-03 Hon Hai Precision Industry Co., Ltd. Stator
JP6485548B2 (ja) * 2015-07-23 2019-03-20 アイシン・エィ・ダブリュ株式会社 ステータおよびステータの製造方法
KR20200085560A (ko) * 2019-01-07 2020-07-15 엘지전자 주식회사 회전전기기계의 스테이터
KR20210089500A (ko) * 2020-01-08 2021-07-16 엘지전자 주식회사 회전 전기 기기의 스테이터
KR20210117057A (ko) * 2020-03-18 2021-09-28 엘지마그나 이파워트레인 주식회사 전동기의 스테이터

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