WO2011007881A1 - Stator, moteur et compresseur - Google Patents

Stator, moteur et compresseur Download PDF

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Publication number
WO2011007881A1
WO2011007881A1 PCT/JP2010/062120 JP2010062120W WO2011007881A1 WO 2011007881 A1 WO2011007881 A1 WO 2011007881A1 JP 2010062120 W JP2010062120 W JP 2010062120W WO 2011007881 A1 WO2011007881 A1 WO 2011007881A1
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WO
WIPO (PCT)
Prior art keywords
coil
tooth
winding start
portions
winding
Prior art date
Application number
PCT/JP2010/062120
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English (en)
Japanese (ja)
Inventor
安一 鍋谷
梓 宇治原
Original Assignee
ダイキン工業株式会社
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 ダイキン工業株式会社 filed Critical ダイキン工業株式会社
Priority to CN201080021392XA priority Critical patent/CN102428624A/zh
Publication of WO2011007881A1 publication Critical patent/WO2011007881A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto
    • H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles

Definitions

  • the present invention relates to a stator, a motor, and a compressor including an insulator for insulating a core and a coil.
  • a conventional stator including an insulator an insulating member is coated on a portion where a coil starts to be wound (hereinafter referred to as a “winding start portion”), and the inner peripheral surface or outer peripheral surface of the insulator wall portion is provided. It was. And the winding start part of each phase was twisted and bundled so that the winding start part of each phase of a coil might not be unwound (for example, refer to patent documents 1).
  • the winding start portion of the coil is pressed against the wall portion of the insulator from the winding wound thereafter.
  • the winding start portion is sandwiched between the winding and the insulator wall, if the winding start portion is routed or twisted, stress is applied to the winding start portion and the coil winding start portion may be damaged. There is a risk of disconnection.
  • the coil winding start portion is sandwiched between the winding and the insulator wall, stress is applied due to vibration during compressor operation, and the coil winding start portion is damaged or disconnected. There are things to do.
  • the present invention has been made to solve the above-described problems, and an object thereof is to provide a stator, a motor, and a compressor that can improve the winding quality of a coil.
  • a stator includes a core having a plurality of teeth arranged in an annular shape, a plurality of protrusions stacked on the teeth, and a ring disposed on the radially outer side of the plurality of protrusions.
  • An insulator having a wall portion, a tooth portion and a coil wound around a protruding portion laminated on the tooth portion, the wall portion being disposed at a position corresponding to the radially outer side of the tooth portion; and When the coil is wound around the tooth portion and the projecting portion laminated on the tooth portion, a coil passage portion is formed that allows the coil winding start portion to pass therethrough.
  • the coil passage part formed in the annular wall part may be a notch part formed by notching a part of the wall part, or a part of the annular wall part may be cut. In other words, it may be a gap formed between the wall portions adjacent in the circumferential direction (where the wall portion is not partially provided).
  • the winding start portion of the coil when the coil is wound around the tooth portion and the protruding portion laminated on the tooth portion, the winding start portion of the coil can be released to the outside of the wall portion via the coil passage portion. It can suppress that a starting part is compressed between the wall part of an insulator, and the coil wound. Thus, even if the winding start portion is routed or twisted in a state where the stress applied to the winding start portion is small, the winding start portion can be prevented from being damaged or disconnected, so that the coil Winding quality is improved.
  • the stator according to a second aspect of the invention is the stator according to the first aspect of the invention, wherein the stator is routed along the outer peripheral surface of the wall portion on the core side of the coil passing portion on the outer peripheral surface of the wall portion. Protrusions that restrict movement of the coil winding to the opposite side of the core are provided.
  • the stator according to a third aspect of the invention is the stator according to the first or second aspect of the invention, wherein the coil passage portion is formed to be biased to one side with respect to a center line passing through the center of the tooth portion in plan view. Yes.
  • stator it is possible to provide the coil passing portion at a location close to the winding start portion, and the winding start portion can easily escape to the outside of the wall portion. As a result, it is possible to further suppress the winding start portion from being pressed between the wall portion of the insulator and the wound coil. Moreover, in this stator, since the coil passage part is formed only on one side, the winding start part can be released to the outside of the wall part while leaving a part of the wall part to prevent collapse.
  • a stator according to a fourth invention is the stator according to any one of the first to third inventions,
  • the winding start part of the coil is a power line connected to a power source.
  • the coil winding start part is used as a power supply line, it is possible to fix the power supply line with a high potential without swaying. To prevent contact with the coil wound around the adjacent tooth part, and to prevent contact with the coil wound around the adjacent tooth part. Can do. As a result, a stable function can be exhibited over a long period of time. Further, even if the power supply line is routed or twisted and bundled, the power supply line can be prevented from being damaged or disconnected.
  • a motor according to a fifth aspect of the present invention includes any one of the above-described stators and a rotor disposed inside the core.
  • the winding quality of the coil can be improved by using the stator described above.
  • a compressor according to a sixth aspect of the invention includes the motor described above.
  • the winding quality of the coil can be improved by using the motor described above.
  • the winding start portion of the coil when the coil is wound around the tooth portion and the protruding portion laminated on the tooth portion, the winding start portion of the coil can be released to the outside of the wall portion via the coil passage portion. It can suppress that a winding start part is compressed between the wall part of an insulator, and the wound coil. Thus, even if the winding start portion is routed or twisted in a state where the stress applied to the winding start portion is small, the winding start portion can be prevented from being damaged or disconnected, so that the coil Winding quality is improved.
  • the second invention even if the winding of the coil routed along the outer peripheral surface of the wall portion moves to the side opposite to the core, the movement is restricted by the projection portion before reaching the coil passage portion. Is done. Thereby, it can prevent that the said coil
  • the coil passage portion can be provided at a location close to the winding start portion, and the winding start portion can easily escape to the outside of the wall portion. As a result, it is possible to further suppress the winding start portion from being pressed between the wall portion of the insulator and the wound coil.
  • the coil passage portion is formed only on one side, the winding start portion can be escaped to the outside of the wall portion while leaving a part of the wall portion to prevent collapse.
  • the winding start portion of the coil is used as a power supply line, it is possible to fix the power supply line having a high potential without causing fluctuations. Since the wire is not securely fixed, it can be removed from the slot and contact with the coil wound around the adjacent tooth portion), and the contact with the coil wound around the adjacent tooth portion can be reliably ensured. Can be prevented. As a result, a stable function can be exhibited over a long period of time. Further, even if the power supply line is routed or twisted and bundled, the power supply line can be prevented from being damaged or disconnected.
  • a motor capable of improving the coil winding quality can be obtained by using the above-described stator.
  • a compressor capable of improving the winding quality of the coil can be obtained by using the motor described above.
  • FIG. 3 is a development view of the insulator insulator shown in FIG. 2. It is a top view of the insulator of the stator shown in FIG. 3 is a schematic plan view of an insulator of the stator shown in FIG. 2. It is an enlarged plan view of S2 part of FIG. It is the enlarged plan view which showed the winding method of the coil in S1 part of FIG. It is an expanded view of the insulator which concerns on 2nd Embodiment of this invention.
  • the compressor 1 according to the first embodiment is a one-cylinder rotary compressor, and includes a sealed casing 10, a motor 20 and a compression mechanism 30 disposed in the sealed casing 10.
  • the compressor 1 is a so-called high-pressure dome type compressor, and uses an R410A refrigerant (hereinafter abbreviated as a refrigerant).
  • the compression mechanism 30 is disposed below the motor 20 in the sealed casing 10.
  • the lubricating oil 2 supplied to each sliding portion of the compression mechanism 30 is stored in the lower portion of the hermetic casing 10.
  • the hermetic casing 10 includes a pipe 11, a top 12, and a bottom 13.
  • the pipe 11 is a substantially cylindrical member extending in the vertical direction, and the upper and lower ends thereof are open. Further, a connection port 11 a for introducing an inlet tube 14 connected to an accumulator (not shown) into the closed casing 10 is formed on the side surface of the pipe 11.
  • a cylindrical joint pipe 15 that holds the inlet tube 14 is joined to the inner peripheral surface of the connection port 11a.
  • the top 12 is a member that closes the opening at the upper end of the pipe 11.
  • the top 12 is provided with a discharge pipe 16 for discharging the high-temperature and high-pressure refrigerant compressed by the compression mechanism 30 to the outside of the sealed casing 10.
  • the top 12 is provided with a terminal terminal 17 connected to the motor 20.
  • the bottom 13 is a member that closes the opening at the lower end of the pipe 11. In the sealed casing 10 having the above-described configuration, a sealed space surrounded by the pipe 11, the top 12, and the bottom 13 is formed.
  • the compression mechanism 30 includes a muffler 31, a front head (end plate member) 32, a cylinder 33 and a piston 34, and a rear head (end plate member) from the top to the bottom along the rotation axis of the shaft 44 of the motor 20. 35.
  • the motor 20 is provided to drive the compression mechanism 30 described above, and includes a rotor 40 and a stator 50 that is disposed on the radially outer side of the rotor 40 via an air gap. .
  • the rotor 40 has a core 41 and a plurality of permanent magnets (not shown).
  • the core 41 is A plurality of thin plates made of a metal material are stacked on each other and joined together by welding or the like.
  • the core 41 is formed with a substantially circular through hole 43 at a substantially central portion in plan view. The upper end portion of the shaft 44 is inserted into the through hole 43, and the shaft 44 rotates together with the rotor 40 by the magnetic force generated between the rotor 40 and the stator 50.
  • the stator 50 includes a core 51, coils 52 (52U, 52V, 52W), insulators 60 and 70 (see FIG. 1) disposed at the upper end portion and the lower end portion of the core 51, respectively. have.
  • the core 51 is formed by laminating a plurality of thin plates made of a metal material and joining them together by welding or the like. As shown in FIG. 3, the core 51 has an annular back yoke portion 53 and six tooth portions 54A to 54F protruding from the back yoke portion 53 inward in the radial direction.
  • a through hole H extending in the vertical direction (Z direction) is formed in a substantially central portion of the core 51. Inside the through hole H, the rotor 40 described above is arranged.
  • Each of the tooth portions 54A to 54F is provided at the protrusions 55A to 55F extending radially inward from the inner peripheral surface of the back yoke portion 53 and the tips of the protrusions 55A to 55F, and from the protrusions 55A to 55F. And tip portions 56A to 56F formed to be wide in the circumferential direction.
  • a coil 52 (52U, 52V, 52W) of each phase (U phase, V phase, W phase) is wound around each of the six tooth portions 54A to 54F.
  • a U-phase coil 52U is wound around the tooth portions 54A and 54D arranged to face each other
  • a V-phase coil 52V is wound around the tooth portions 54B and 54E arranged to face each other.
  • W-phase coil 52W is wound around portions 54C and 54F.
  • a winding having an outer diameter of 0.5 mm to 1.5 mm is used.
  • the winding start portion 52a that is the winding start of the coil 52U wound around the tooth portion 54A
  • the winding start portion 52a that is the winding start of the coil 52V wound around the tooth portion 54B
  • the winding start portion 52a (see FIG. 7), which is the winding start of the coil 52W wound around the tooth portion 54C, is the power lines PU, PV, and PW connected to the power source (terminal terminal 17).
  • Each of these power supply lines PU, PV, and PW is covered with an insulating member, and three of them are bundled in a twisted state. Further, as shown in FIG.
  • the neutral wires 52b of the coils 52U, 52V, and 52W are wound around the outer peripheral surface of the outer wall portion 62 of the insulator 60 described later, and are bound at the neutral wire binding position Q.
  • the winding start portion 52a that is the start of winding of the coil 52W is, as shown in FIG. 7, the coil 52W is wound around the protruding portion 55C of the tooth portion 54C and the protruding portion 61C stacked thereon.
  • a portion (including a portion disposed above the protruding portion 61C) extending from the portion contacting the inner peripheral surface of the outer wall portion 62 to the side opposite to the winding portion in the base portion of the protruding portion 61C.
  • ⁇ Slot> As shown in FIG. 3, six slots 57A to 57F that penetrate the core 51 in the vertical direction (Z direction) are formed between the adjacent tooth portions 54A to 54F. Each of the slots 57A to 57F communicates with the through hole H through an opening G formed between the front end portions 56A to 56F of the adjacent tooth portions 54A to 54F.
  • the coil 52 is wound around the respective tooth portions 54A to 54F by a winding machine nozzle (not shown) inserted into the slots 57A to 57F through the opening G.
  • the insulator 60 is provided to insulate the core 51 and the coil 52 from each other. As shown in FIGS. 5 and 6, the insulator 60 includes a plurality of protrusions 61A to 61F stacked on the protrusions 55A to 55F of the plurality of tooth portions 54A to 54F, and the diameters of the plurality of protrusions 61A to 61F. An annular outer wall portion 62 disposed on the outer side in the direction, and inner wall portions 63A to 63F disposed on the radially inner side of each of the plurality of projecting portions 61A to 61F and stacked on the tip portions 56A to 56F. ing.
  • the outer wall portion 62 and the inner wall portions 63A to 63F extend upward (opposite the core 51) and are wound around the tooth portions 54A to 54F and the protruding portions 61A to 61F stacked on the tooth portions 54A to 54F. It has a function to prevent the rotated coil 52 from collapsing.
  • the annular outer wall portion 62 is partially cut and has a portion where the wall portion is not partially formed, but is formed in an annular shape as a whole. Further, the positions (A1) to (F2) shown in FIG. 4 correspond to the positions (A1) to (F2) shown in FIG.
  • the outer wall portion 62 has coil passage portions 62a to 62c through which the winding start portion 52a of the coil 52 passes, in the radial direction of the tooth portions 54A to 54C. It is formed at a position corresponding to the outside. Specifically, a coil passage portion that allows the winding start portion 52a of the coil 52U (see FIG. 2) related to the U phase to pass through the portion corresponding to the radially outer side of the tooth portion 54A (see FIG. 3) of the outer wall portion 62. 62a is formed, and a coil passage portion through which the winding start portion 52a of the coil 52V (see FIG.
  • the “position corresponding to the radially outer side of the tooth portions 54A to 54C” is “the position corresponding to the radially outer side of the protruding portions 55A to 55C of the tooth portions 54A to 54C”. As an example, in FIG.
  • the coil passage portions 62a to 62c of the present embodiment are configured by gaps (places where the wall portion is partially absent) formed between the outer wall portions adjacent to each other in the circumferential direction by cutting a part of the annular outer wall portion 62. ing.
  • the opening width W1 of the coil passage portions 62a to 62c of the present embodiment is larger than the outer diameter (0.5 mm to 1.5 mm) of the winding of the coil 52, and the tooth portions 54A to 54F (projecting portions 55A to 55A). 55F) is designed to be smaller than the circumferential width.
  • the opening width W1 of the coil passage portions 62a to 62c is preferably 4 mm to 7 mm, which is about half of the circumferential width of the tooth portions 54A to 54F (projections 55A to 55F).
  • the coil passage part 62c which passes the winding start part 52a of the coil 52W which concerns on W phase passes the centerline L (FIG.3 and FIG.3) which passes the center of the tooth
  • the coil passage portion 62a through which the winding start portion 52a of the coil 52U related to the U phase passes is also provided at a position biased to one side with respect to a center line (not shown) passing through the center of the tooth portion 54A. ing.
  • the neutral wire 52b of the coil 52 routed along the outer peripheral surface of the outer wall portion 62 moves upward (opposite to the core 51).
  • the protrusions 62d and 62e are disposed below and above the power supply line PU of the coil 52U routed along the outer peripheral surface of the outer wall 62.
  • protrusions 62d are provided on the walls 62L and 62R arranged on both sides of the coil passage part 62b, respectively, and the protrusions 62d are in the height direction (Z direction) of the outer wall part 62. It is provided below the core part (core 51 side).
  • the outer wall 62 is provided with a plurality of coil passage portions 62f for pulling out the neutral wire 52b of the coil 52 to the outside of the outer wall 62.
  • the outer wall portion 62 is provided with a coil passage portion 62g for drawing the power supply line PU of the coil 52U to the outside of the outer wall portion 62.
  • the coil passage portion 62b that passes the winding start portion 52a of the coil 52V related to the V phase is configured such that the power supply line PU drawn to the outside of the outer wall portion 62 through the notch portion 62g is connected to the inside of the outer wall portion 62. It also has a function of drawing in.
  • the opening width W1 of the coil passage portions 62a to 62c for allowing the winding start portion 52a of the coil 52 to escape is larger than the opening width W2 of the notches 62f and 62g.
  • the insulator 70 arranged at the lower end of the core 51 is substantially the same as the configuration of the insulator 60 described above, and thus the description thereof is omitted.
  • the coil 52U is wound around the tooth portion 54A and the protruding portion 61A stacked on the tooth portion 54A
  • the coil 52W is wound around the tooth portion 54C and the protruding portion 61C stacked on the tooth portion 54C.
  • the winding start portions 52a of the coils 52U and 52W are arranged outside the outer wall portion 62 via the coil passage portions 62a and 62c, respectively.
  • the power supply lines PU, PV, and PW covering the respective winding start portions 52a are routed along the inner peripheral surface and the outer peripheral surface of the outer wall portion 62 of the insulator 60, and these three power supply lines PU, PV, and PW are twisted.
  • a plurality of neutral wires 52b drawn from each coil 52 are routed to the outside of the outer wall portion 62 via the coil passage portion 62f, and the neutral wire binding position Q is United in. In this way, the coil 52 is wound around the tooth portions 54A to 54F.
  • the compressor 1 of this embodiment has the following characteristics.
  • the coil passing portions 62a, 62b, and 62c described above are formed on the outer wall portion 62, whereby the tooth portions 54A to 54C and the protruding portions 61A to 61C stacked on the tooth portions 54A to 54C.
  • the winding start portion 52a of the coil 52 can be released to the outside of the outer wall portion 62 through the coil passage portions 62a, 62b, and 62c. Thereby, it can suppress that the winding start part 52a is compressed between the outer wall part 62 of the insulator 60, and the coil 52 wound.
  • the winding start portion 52a power supply lines PU, PV, PW
  • the winding start portion 52a is damaged or disconnected. Therefore, the winding quality of the coil 52 is improved.
  • the winding start portion 52a of the coil 52 is disposed inside the outer wall portion 62.
  • the winding start portion 52a of the coil 52 is sandwiched between the outer wall portion 62 of the insulator 60 and the wound coil 52. There is no. Therefore, it is possible to suppress stress from being applied by vibration during operation of the compressor and damage or disconnection of the winding start portion 52a of the coil 52, so that the winding quality of the coil 52 is improved.
  • the coil passage portion 62c is provided close to the winding start portion 52a by providing the coil passage portion 62c at a position biased to one side with respect to the center line L passing through the center of the tooth portion 54C. It can be provided at a location. Thereby, the said winding start part 52a can escape to the outer side of the outer wall part 62 easily. As a result, it is possible to further suppress the winding start portion 52a from being pressed between the outer wall portion 62 of the insulator 60 and the wound coil 52.
  • the coil passing portions 62a and 62c are formed only on one side with respect to the center line passing through the centers of the tooth portions 54A and 54C, respectively.
  • the winding start portion 51a can be released to the outside of the outer wall portion 62 while leaving a part.
  • the compressor 1 of this embodiment even if the power supply lines PU, PV, and PW are routed or twisted and bundled by setting the winding start portion 52a of the coil 52 to the power supply lines PU, PV, and PW, the power supply lines It can suppress that PU, PV, and PW are damaged or disconnected.
  • the winding start portion 52a of the coil 52 is the power supply lines PU, PV, and PW, the potential is high compared to the winding start portion of other coils that are not the power supply lines PU, PV, and PW, and damage or disconnection is likely to occur. This is particularly effective.
  • the winding start portion 52a of the coil 52 is set to the power supply lines PU, PV, and PW, so that wiring can be performed without causing the power supply lines PU, PV, and PW having high potentials to fluctuate. Therefore, it is possible to solve the problem when the power source line is the end of winding of the coil (the power source line is not securely fixed, so it is separated from the slot and comes into contact with the coil wound around the adjacent tooth part) Contact with the coil 52 wound around the adjacent tooth portions 54A to 54F can be reliably prevented. As a result, the function of the motor 20 that is stable over a long period of time can be exhibited.
  • coil passage portions 162a to 162c that allow the winding start portion 52a of the coil 52 to pass are formed at positions corresponding to the radially outer sides of the tooth portions 54A to 54C.
  • 162a is formed, and a coil passage portion through which the winding start portion 52a of the coil 52V (see FIG. 2) relating to the V phase passes through the portion corresponding to the radially outer side of the tooth portion 54B (see FIG.
  • the coil passage portions 162a and 162c of the present embodiment are configured by gaps (places where the wall portions are partially absent) formed between the outer wall portions adjacent to each other in the circumferential direction by cutting a part of the annular outer wall portion 162.
  • the notch 162b is configured by notching the upper end of the outer wall 162.
  • the neutral wire 52b of the coil 52 routed along the outer peripheral surface of the outer wall portion 162 moves upward (opposite to the core 51) on the outer peripheral surface of the outer wall portion 162.
  • a protrusion 162d that restricts the above is provided.
  • the protrusion 162d is provided below (on the core 51 side) of the coil passing portion 162b.
  • the compressor of this embodiment has the following features.
  • a coil 162 d that is routed along the outer peripheral surface of the outer wall 162 is provided below the notch 162 b by providing a protrusion 162 d that restricts the neutral wire 52 b from moving upward. 52, even if the neutral wire 52b moves upward, the movement is restricted by the protrusion 162d just before reaching the coil passage portion 162b. As a result, the neutral wire 52b can be prevented from coming into contact with the coil 52 exposed from the notch 162b.
  • the compressor using the R410A refrigerant has been described, but the present invention can also be applied to a compressor using a CO 2 refrigerant, an R22 refrigerant, or the like other than the R410A refrigerant.
  • a CO 2 refrigerant since it is used at a higher temperature than other refrigerants, expansion and expansion / contraction of the coil is increased.
  • the present invention is not limited to this, and the coil passage portion 62a that passes the winding start portion 52a of the coil 52U related to the U phase is closer to the winding start portion 52a than the center line that passes through the center of the tooth portion 54A.
  • the coil passage portion 62b that allows the winding start portion 52a of the coil 52V related to the V phase to pass therethrough is provided on the winding start portion 52a side from the center line that passes through the center of the tooth portion 54B. Also good.
  • this invention is not limited to this, It is applicable also to a multiple cylinder type compressor.
  • the present invention can be applied to scroll compressors and reciprocating compressors other than the rotary compressor.
  • this insulator has the slot cell (insulation member which aims at insulation with a core and a coil) arrange
  • a slot cell integrated insulator formed integrally is included.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Compressor (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Windings For Motors And Generators (AREA)

Abstract

Selon l'invention, la qualité de bobinage est améliorée. L'invention porte sur un compresseur (1) qui comprend : un noyau comprenant une pluralité de parties dent agencées dans un anneau ; un isolateur (60) comprenant une pluralité de parties saillantes (61B) empilées sur les parties dent respectives et une partie paroi extérieure annulaire (62) agencée sur l'extérieur des parties saillantes (61B) dans la direction radiale ; et une bobine (52V) enroulée autour des parties dent et des parties saillantes (61B) empilées sur les parties dent. Des parties de passage de bobine (62b) sont également formées au niveau de la partie paroi extérieure (62). Les parties de passage de bobine (62b) sont agencées en des positions qui correspondent à l'extérieur des parties dent dans la direction radiale et permettent à la partie de début d'enroulement (52a) de la bobine (52V) de passer à travers lorsque la bobine (52V) est enroulée autour des parties dent et des parties saillantes (61B) empilées sur les parties dent.
PCT/JP2010/062120 2009-07-17 2010-07-16 Stator, moteur et compresseur WO2011007881A1 (fr)

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CN201080021392XA CN102428624A (zh) 2009-07-17 2010-07-16 定子、电动机以及压缩机

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JP2009168769 2009-07-17
JP2009-168769 2009-07-17

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WO2011007881A1 true WO2011007881A1 (fr) 2011-01-20

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WO2022024503A1 (fr) * 2020-07-28 2022-02-03 ダイキン工業株式会社 Stator, moteur et compresseur
US20220140687A1 (en) * 2019-02-28 2022-05-05 Fujitsu General Limited Motor and compressor

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JP2014017914A (ja) * 2012-07-06 2014-01-30 Aisin Seiki Co Ltd 回転電機用ステータ
JP6364703B2 (ja) * 2013-04-08 2018-08-01 ダイキン工業株式会社 固定子、モータ及び圧縮機
US11496005B2 (en) * 2017-05-10 2022-11-08 Mitsubishi Electric Corporation Stator, electric motor, compressor, refrigerating and air conditioning apparatus, and method for manufacturing stator
CN111247719B (zh) * 2017-10-20 2022-06-14 松下知识产权经营株式会社 定子、电动机和压缩机

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JP2000232748A (ja) * 1999-02-10 2000-08-22 Toshiba Corp 圧縮機用電動機の固定子
JP2005269755A (ja) * 2004-03-18 2005-09-29 Japan Servo Co Ltd 分割コアを持つ回転電機のステータの巻線ボビン
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JP2022024625A (ja) * 2020-07-28 2022-02-09 ダイキン工業株式会社 ステータ、モータおよび圧縮機
JP7089195B2 (ja) 2020-07-28 2022-06-22 ダイキン工業株式会社 ステータ、モータおよび圧縮機
CN115917929A (zh) * 2020-07-28 2023-04-04 大金工业株式会社 定子、马达以及压缩机
US11837932B2 (en) 2020-07-28 2023-12-05 Daikin Industries, Ltd. Stator, motor, and compressor

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JP2011193721A (ja) 2011-09-29
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CN102428624A (zh) 2012-04-25
JP4743337B2 (ja) 2011-08-10

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