WO2013171961A1 - 電動機アセンブリ及びその製造方法 - Google Patents
電動機アセンブリ及びその製造方法 Download PDFInfo
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- WO2013171961A1 WO2013171961A1 PCT/JP2013/002350 JP2013002350W WO2013171961A1 WO 2013171961 A1 WO2013171961 A1 WO 2013171961A1 JP 2013002350 W JP2013002350 W JP 2013002350W WO 2013171961 A1 WO2013171961 A1 WO 2013171961A1
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- electric motor
- hole
- plug
- casing
- lead wire
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/44—Protection against moisture or chemical attack; Windings specially adapted for operation in liquid or gas
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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
-
- 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
- H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/08—Insulating casings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/10—Applying solid insulation to windings, stators or rotors
- H02K15/105—Applying solid insulation to windings, stators or rotors to the windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
Definitions
- the present invention includes a stator including a coil end, and a motor assembly in which a sealant can be molded so as to seal all or a part of the stator, and a method of manufacturing a motor using the motor assembly. It is about.
- FIG. 6 shows a conventional electric motor.
- the electric motor includes an electric motor shaft 1, a rotor 2 that rotates about the electric motor shaft 1, a stator 3 disposed on the outer periphery of the rotor 2, a casing 4 that houses the rotor 2 and the stator 3, and this casing. 4 and a cover 5 attached to one end in the axial direction.
- This electric motor is installed in a vertically placed posture in which the electric motor shaft 1 is vertical, for example, like a shovel turning electric motor.
- the axial direction of the electric motor will be described as the vertical direction in the prior art shown in FIG. 6 and an embodiment of the present invention described later.
- the “motor” includes a generator and a generator motor based on the same principle as the motor in addition to the motor in a narrow sense.
- the cover 5 is attached to the upper end surface of the casing 4 with a bolt (not shown).
- the upper and lower parts of the motor shaft 1 are rotatably supported by the cover 5 and the lower part of the casing 4 via bearings 6 and 7, respectively.
- the stator 3 includes a stator core 8 made of electromagnetic steel plates stacked on each other, and a stator coil 9 wound around the stator core 8 in the vertical direction (the axial direction of the electric motor shaft, hereinafter sometimes referred to as the electric motor axial direction);
- the stator coil 9 has a pair of coil ends 9a that are folded portions on both the upper and lower sides, and the coil ends 9a are wound in a state of projecting from both axial end surfaces of the stator core 8 in the electric motor axial direction.
- the stator 3 is inserted into the casing 4 after the coil is wound.
- the casing 4 is covered with an upper mold so that the casing 4 is used as a receiving mold (lower mold).
- a sealing agent 10 is injected from the upper mold and filled in the casing 4, and the sealing agent 10 is made of a synthetic resin material such as unsaturated polyester having electrical insulation and heat conductivity.
- the sealing agent 10 is arrange
- the sealant 10 is injected under a certain pressure so as to surely penetrate into a portion that needs to be sealed, for example, between the stator coils.
- a lead wire (not shown) for connecting the external wiring and the stator coil 9 is connected to the coil end 9a, and the lead wire is taken out through a through hole provided in the peripheral wall of the casing.
- the terminal block provided on the outer peripheral wall of the casing is connected.
- the structure shown in Patent Document 2 is generally known. This structure includes a sealing member (grommet) that is packed in the through hole. The seal member surrounds a lead wire through hole at the center thereof, and the lead wire is passed through the lead through hole.
- the sealant 10 injected into the casing 4 as described above is caused by the injection pressure (flow pressure) between the lead wire through hole of the seal member or between the seal member and the through hole peripheral surface. There is a possibility of leaking outside. This leakage of the sealant lowers the injection pressure and lowers the stator sealing effect. Further, the leaked sealant may enter the terminal block and reduce the electrical insulation.
- the present invention provides an electric motor assembly capable of preventing a sealant injected for manufacturing an electric motor from leaking from a lead wire extraction portion, and a method for manufacturing the electric motor using the electric motor assembly. With the goal.
- An electric motor assembly includes an electric motor shaft, a rotor that rotates about the electric motor shaft, a stator that is disposed on the outer periphery of the rotor, and has a pair of coil ends that are both ends in the axial direction of the electric motor shaft.
- a casing that accommodates the rotor and the stator and in which a sealing agent made of a synthetic resin material having heat conductivity and electrical insulation is injected in a state of covering the at least the coil end;
- a lead wire connected to at least one of the coil ends of the stator and having a portion led out of the casing, a sealing space into which the sealing agent is injected, and a non-sealing in which the sealing agent is not injected
- a partition wall that separates the space, and the partition wall is communicated with the sealed space and the non-sealed space. Comprising as a through hole for passing is formed, and a plug mounted to the partition wall so as to close the through hole.
- the plug is formed of a material having elasticity higher than that of the material constituting the casing, and has a tapered outer peripheral surface whose diameter decreases from the sealed space side toward the non-sealed space side and is located at the center thereof.
- the lead wire is formed in a cylindrical shape surrounding the lead wire through hole, and the end of the plug having both ends on the side having the larger outer diameter is located on the sealing space side. The plug is fitted into the through hole so that the outer peripheral surface of the plug is in contact with the inner peripheral surface of the partition wall surrounding the through hole.
- the method of manufacturing an electric motor includes an electric motor assembly, an electric motor shaft, a rotor that rotates about the electric motor shaft, an outer periphery of the rotor, and an axial direction of the electric motor shaft.
- a stator having a pair of coil ends at both ends, a casing for housing the rotor and the stator, and a lead wire having a portion connected to at least one of the coil ends of the stator and led to the outside of the casing;
- a partition that separates the sealing space into which the sealing agent is injected and the non-sealing space into which the sealing agent is not injected, so that the sealing space communicates with the non-sealing space
- a plug that is attached to the partition wall so as to close the through hole.
- the lead wire is formed of a material having higher elasticity than the material constituting the casing and has a tapered outer peripheral surface whose diameter is reduced from the sealed space side toward the non-sealed space side and is located at the center thereof A cylindrical shape surrounding the through hole, the lead wire being passed through the lead wire through hole, and the end of the plug having the larger outer peripheral diameter positioned on the sealing space side A step of preparing the plug to be fitted in the through hole so that the outer peripheral surface of the plug and the inner peripheral surface of the partition wall surrounding the through hole are in contact with each other, and heat transfer and electrical insulation in the casing of the motor assembly.
- FIG. 2 is a sectional view taken along line II-II in FIG. (A) is the figure which expanded the part enclosed by the circle III in FIG. 1, Comprising: Sectional drawing which shows the state before inject
- FIGS. Embodiments of the present invention will be described with reference to FIGS. These embodiments are applied to an electric motor that is installed in a vertical orientation similar to the electric motor illustrated in FIG. 6.
- the electric motor according to each embodiment is manufactured by injecting the sealant 10 into the electric motor assembly, and the electric motor assembly includes an electric motor shaft 11 and a rotor 12 that rotates around the electric motor shaft 11.
- a stator 13 disposed on the outer periphery of the rotor 12, a casing 14 that houses the rotor 12 and the stator 13, and a cover 15 that is attached to one end of the casing 14 in the axial direction.
- the casing 14 includes a bottom wall 14a and a peripheral wall 14b that is located above the bottom wall 14a and is connected to the periphery of the bottom wall 14a.
- the cover 15 is attached to the upper end surface of the casing 14 with a bolt (not shown).
- the stator 13 includes a stator core 18 made of electromagnetic steel plates stacked on each other, and a stator coil 19 wound around the stator core 18 in the vertical direction.
- the stator coil 19 has a pair of coil ends 19a which are folded portions on both the upper and lower sides, that is, both ends in the axial direction of the electric motor shaft 11, and these coil ends 19a extend from both axial end surfaces of the stator core 18 in the electric motor axial direction.
- the whole of the stator 13 or a part of the stator 13 including both side coil ends 19a is sealed with a sealing agent 20 made of a synthetic resin such as unsaturated polyester having electrical insulation and heat conductivity. Covered.
- the electric motor assembly according to the first embodiment further includes a partition wall 21, a plurality of plugs 23, a plurality of lead wires 25, and a terminal block 27.
- the partition wall 21 is formed in a thick square plate shape with a material having high elasticity such as silicon rubber and at least higher elasticity than the material constituting the casing 14, and is provided on the upper portion of the peripheral wall 14 b of the casing 14. Specifically, a part of the upper portion of the peripheral wall 14b is notched, and the sealing space S1 into which the sealing agent 20 is injected, that is, the space in the casing 14 is filled so as to fill the notched portion.
- the partition wall 21 is provided so as to partition with respect to a non-sealed space in which 20 is not injected, that is, a space outside the casing 14.
- the partition wall 21 is provided with one or a plurality of through holes 22.
- three through holes 22 are provided in the center of the partition wall 21 in the vertical direction and spaced apart from each other in the horizontal direction.
- Each through hole 22 is a tapered hole having a diameter reduced from the sealing space S1 side toward the non-sealing space side, and each through hole 22 is closed by the plug 23.
- Each plug 23 is tapered at the same angle as the through hole 22 from the sealing space S1 side to the non-sealing space side by at least the material having high elasticity such as silicon rubber, like the partition wall 21.
- Each lead wire 25 is connected to the upper coil end 19 a and led out to the outside of the plug 23 through the lead wire through hole 24 of each plug 23.
- the terminal block 27 connects the lead wires 25 and the external wiring 28, and is supported by a terminal block support portion 26 provided on the upper portion of the casing 14.
- the terminal block support portion 26 is disposed outside the partition wall 21 and has a shape surrounding the cavity S2 which is a non-sealing space.
- the terminal block support portion 26 according to this embodiment includes a bottom wall 26a, an outer wall 26b, and left and right side walls 26c and 26d located on the lower side, the outer side, and the left and right sides of the cavity S2, respectively.
- the base 27 is attached to the bottom wall 26 a of the terminal base support 26. That is, the terminal block support portion 26 supports the terminal block 27 so as to form the cavity S ⁇ b> 2 between the partition wall 21 and the terminal block 27.
- the electric motor according to this embodiment is manufactured as follows, for example.
- a stator coil 19 is wound around the stator core 18, thereby forming the stator 13.
- the stator 13 is inserted into a predetermined position in the casing 14 to which the partition wall 21 is previously attached.
- the plug 23 is fitted into the through hole 22 of the partition wall 21 with the lead wire 25 being passed through the lead wire through hole 24 of the plug 23.
- An upper mold that is, an injection mold is set on the upper surface of the casing 14, and the sealant 20 is injected from the upper mold into the casing 14 as a lower mold as shown in FIG.
- the taper-shaped outer peripheral surface of the plug 23 surrounds the through-hole 22 from the inner side to the outer side of the casing 14 by the injection (flow) pressure of the sealant 20 (the inner peripheral surface of the partition wall 21). ).
- the outer peripheral surface comes into close contact with the inner peripheral surface, and the plug 23 is elastically deformed in the direction of diameter reduction by the reaction force received from the inner peripheral surface to close the lead wire through hole 24.
- the gap between the inner peripheral surface of the partition wall 21 surrounding the through hole 22 and the lead wire 25 is closed.
- the force of elastic recovery of both the plug 23 and the partition wall 21 brings the outer peripheral surface of the plug 23 into close contact with the inner peripheral surface of the partition wall 21 surrounding the lead wire through hole 24 and the lead wire through hole 24.
- the outer peripheral surface and the inner peripheral surface are formed as taper surfaces corresponding to each other, and the contact force between the taper surfaces and the diameter reduction direction of the plug 23 This force acts over the entire length of the plug 23, whereby the effect of preventing the sealant from leaking can be further enhanced.
- the partition wall 21 and the plug 23 are formed of an elastic material such as silicon rubber, and the through hole 22 and the plug 23 extend from the sealed space S1 to the non-sealed space, that is, the space outside the casing 14. It is the same as the first embodiment in that it is formed in a taper shape with a diameter decreasing toward it.
- the basic effect that is, the injection pressure of the sealant 20 presses the plug 23 outward and the partition wall 21 surrounds the through hole 22 on the outer peripheral surface thereof. It is possible to obtain an effect of closely contacting the inner peripheral surface and closing the gap inside the lead wire through hole 24, thereby preventing leakage of the sealing agent 20 from the casing 14 at the lead wire extraction portion.
- the present invention is not limited to the first and second embodiments, and includes the following embodiments, for example.
- the through hole 22 of the partition wall 21 may be a straight hole having a uniform diameter over its entire length, and a plug 23 having a tapered outer peripheral surface may be fitted therein.
- the partition wall 21 is formed of a material having substantially no elasticity or low elasticity, for example, a metal, and the plug 23 is elastic only in its own elasticity in the direction of diameter reduction due to the sealing agent injection pressure. It may be deformed.
- a part of the peripheral wall of the casing 14 may directly constitute a partition wall and the through hole 22 may be provided in the partition wall.
- the present invention is not limited to the vertically arranged electric motor, but can be similarly applied to the production of the horizontally arranged electric motor and the generator and the electric motor of the same principle as described above. .
- an electric motor assembly capable of preventing the sealant injected for manufacturing the electric motor from leaking from the lead wire takeout portion, and the electric motor using the electric motor assembly are provided.
- a method of manufacturing is provided.
- An electric motor assembly includes an electric motor shaft, a rotor that rotates about the electric motor shaft, a stator that is disposed on the outer periphery of the rotor, and has a pair of coil ends that are both ends in the axial direction of the electric motor shaft.
- a casing that accommodates the rotor and the stator and in which a sealing agent made of a synthetic resin material having heat conductivity and electrical insulation is injected in a state of covering the at least the coil end;
- a lead wire connected to at least one of the coil ends of the stator and having a portion led out of the casing, a sealing space into which the sealing agent is injected, and a non-sealing in which the sealing agent is not injected
- a partition wall that separates the space, and the partition wall is communicated with the sealed space and the non-sealed space. Comprising as a through hole for passing is formed, and a plug mounted to the partition wall so as to close the through hole.
- the plug is formed of a material having elasticity higher than that of the material constituting the casing, and has a tapered outer peripheral surface whose diameter decreases from the sealed space side toward the non-sealed space side and is located at the center thereof.
- the lead wire is formed in a cylindrical shape surrounding the lead wire through hole, and the end of the plug having both ends on the side having the larger outer diameter is located on the sealing space side. The plug is fitted into the through hole so that the outer peripheral surface of the plug is in contact with the inner peripheral surface of the partition wall surrounding the through hole.
- the method of manufacturing an electric motor includes an electric motor assembly, an electric motor shaft, a rotor that rotates about the electric motor shaft, an outer periphery of the rotor, and an axial direction of the electric motor shaft.
- a stator having a pair of coil ends at both ends, a casing for housing the rotor and the stator, and a lead wire having a portion connected to at least one of the coil ends of the stator and led to the outside of the casing;
- a partition that separates the sealing space into which the sealing agent is injected and the non-sealing space into which the sealing agent is not injected, so that the sealing space communicates with the non-sealing space
- a plug that is attached to the partition wall so as to close the through hole.
- the lead wire is formed of a material having higher elasticity than the material constituting the casing and has a tapered outer peripheral surface whose diameter is reduced from the sealed space side toward the non-sealed space side and is located at the center thereof A cylindrical shape surrounding the through hole, the lead wire being passed through the lead wire through hole, and the end of the plug having the larger outer peripheral diameter positioned on the sealing space side A step of preparing the plug to be fitted in the through hole so that the outer peripheral surface of the plug and the inner peripheral surface of the partition wall surrounding the through hole are in contact with each other, and heat transfer and electrical insulation in the casing of the motor assembly.
- the plug fitted in the through hole of the partition wall is pressed outward by the injection pressure of the sealing agent, the tapered outer peripheral surface penetrates.
- the reaction force that the plug receives from the inner peripheral surface elastically deforms the plug in the diameter-reducing direction, and the gap inside the lead wire through hole, that is, the lead wire
- the gap between the inner peripheral surface of the plug surrounding the through hole and the lead wire is closed.
- the partition wall is formed of a material having higher elasticity than a material forming the casing.
- the high elasticity of the material composing the partition wall combined with the elasticity of the material composing the plug, enhances the adhesion force that closely contacts the outer peripheral surface of the plug and the inner peripheral surface of the partition wall surrounding the through hole.
- the force for closing the lead wire through hole is increased, thereby further improving the sealant leakage preventing effect.
- the inner peripheral surface of the partition wall surrounding the through hole is a tapered shape whose diameter decreases from the sealed space side toward the non-sealed space side, and the inner peripheral surface of the plug It is desirable to have a tapered shape corresponding to.
- Such a shape of the inner peripheral surface enables the contact force and the force to compress the plug in the diameter reducing direction to act over the entire length of the plug, thereby further enhancing the leakage preventing effect of the sealant. Can do.
- the partition wall may be provided on the bottom wall. It may be provided.
- the electric motor assembly further includes a terminal block for connecting the lead wire and the external wiring, and a terminal block support portion provided outside the partition wall, and the terminal block support portion is the non-sealing portion. It is desirable to support the terminal block so that a hollow portion that is a space is formed between the partition wall and the terminal block.
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- Engineering & Computer Science (AREA)
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- Manufacture Of Motors, Generators (AREA)
- Motor Or Generator Frames (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
Description
Claims (5)
- 電動機を構成するための電動機アセンブリであって、
電動機シャフトと、
この電動機シャフトを中心として回転するロータと、
このロータの外周に配置され、前記電動機シャフトの軸方向についての両端である一対のコイルエンドを有するステータと、
前記ロータ及び前記ステータを収容するとともに、その内部に伝熱性及び電気絶縁性を有する合成樹脂材料からなる封止剤が前記少なくとも前記コイルエンドを覆う状態で注入されることが可能なケーシングと、
前記ステータのコイルエンドの少なくとも一方に接続されるとともに前記ケーシングの外部に導出される部分を有するリード線と、
前記封止剤が注入される封止空間と前記封止剤が注入されない非封止空間とを隔離する隔壁であって前記封止空間と前記非封止空間とを連通するように当該隔壁を貫通する貫通穴が形成されたものと、
前記貫通穴を塞ぐように前記隔壁に装着されるプラグと、を備え、前記プラグは、前記ケーシングを構成する材料よりも高い弾性を有する材料により形成され、前記封止空間側から非封止空間側に向かって縮径するテーパー状の外周面を有するとともにその中心に位置するリード線通し穴を囲む筒状をなし、前記リード線が前記リード線通し穴に通されかつ前記プラグの両端部のうちその外周面の径が大きい側の端部が前記封止空間側に位置する状態で当該プラグの外周面と前記貫通穴を囲む前記隔壁の内周面とが接触するように、前記貫通穴に嵌め込まれる、電動機アセンブリ。 - 請求項1記載の電動機アセンブリであって、前記隔壁は、前記ケーシングを形成する材料よりも高い弾性を有する材料によって形成される、電動機アセンブリ。
- 請求項1または2記載の電動機アセンブリであって、前記貫通穴を囲む前記隔壁の内周面は、前記封止空間側から前記非封止空間側に向かって縮径するテーパー状であって前記プラグの内周面に対応するテーパー状である、電動機アセンブリ。
- 請求項1~3のいずれかに記載の電動機アセンブリであって、前記ケーシングが底壁とその上側に位置して当該底壁の周縁部につながる周壁とを有し、前記隔壁が前記周壁に設けられ、前記電動機アセンブリは、前記リード線と外部配線とを接続する端子台と、前記隔壁の外側に設けられる端子台支持部と、をさらに備え、この端子台支持部は前記非封止空間である空洞部を前記隔壁と前記端子台との間に形成するように当該端子台を支持する、電動機アセンブリ。
- 電動機を製造するための方法であって、
電動機アセンブリであって、電動機シャフトと、この電動機シャフトを中心として回転するロータと、このロータの外周に配置され、前記電動機シャフトの軸方向についての両端である一対のコイルエンドを有するステータと、前記ロータ及び前記ステータを収容するケーシングと、前記ステータのコイルエンドの少なくとも一方に接続されるとともに前記ケーシングの外部に導出される部分を有するリード線と、前記封止剤が注入される封止空間と前記封止剤が注入されない非封止空間とを隔離する隔壁であって前記封止空間と前記非封止空間とを連通するように当該隔壁を貫通する貫通穴が形成されたものと、前記貫通穴を塞ぐように前記隔壁に装着されるプラグと、を備え、前記プラグは、前記ケーシングを構成する材料よりも高い弾性を有する材料により形成され、前記封止空間側から非封止空間側に向かって縮径するテーパー状の外周面を有するとともにその中心に位置するリード線通し穴を囲む筒状をなし、前記リード線が前記リード線通し穴に通されかつ前記プラグの両端部のうちその外周面の径が大きい側の端部が前記封止空間側に位置する状態で当該プラグの外周面と前記貫通穴を囲む前記隔壁の内周面とが接触するように前記貫通穴に嵌め込まれるもの、を用意する工程と、
この電動機アセンブリのケーシングの内部に伝熱性及び電気絶縁性を有する合成樹脂材料からなる封止剤をこの封止剤が少なくとも前記コイルエンドを覆う状態で注入するとともにその注入圧力により前記プラグを外向きに押圧して当該プラグのテーパー状の外周面を前記貫通穴を囲む前記隔壁の内周面に押付ける工程と、を含む、電動機の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US14/399,061 US9973053B2 (en) | 2012-05-16 | 2013-04-04 | Electric motor having sealed casing and manufacturing method thereof |
CN201380025485.3A CN104285359B (zh) | 2012-05-16 | 2013-04-04 | 电动机组件及电动机的制造方法 |
KR20147035084A KR20150014968A (ko) | 2012-05-16 | 2013-04-04 | 전동기 어셈블리 및 그 제조 방법 |
EP13791252.3A EP2852033B1 (en) | 2012-05-16 | 2013-04-04 | Electric motor assembly and manufacturing method thereof |
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JP2012-112302 | 2012-05-16 | ||
JP2012112302A JP5942585B2 (ja) | 2012-05-16 | 2012-05-16 | 電動機及びその製造方法 |
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WO2013171961A1 true WO2013171961A1 (ja) | 2013-11-21 |
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US (1) | US9973053B2 (ja) |
EP (1) | EP2852033B1 (ja) |
JP (1) | JP5942585B2 (ja) |
KR (1) | KR20150014968A (ja) |
CN (1) | CN104285359B (ja) |
WO (1) | WO2013171961A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2017018066A1 (ja) * | 2015-07-29 | 2017-02-02 | 日本電産テクノモータ株式会社 | モータおよびモータの製造方法 |
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WO2018138852A1 (ja) * | 2017-01-27 | 2018-08-02 | 株式会社日立産機システム | 回転電機 |
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DE102018204790A1 (de) | 2018-03-28 | 2019-10-02 | Robert Bosch Gmbh | Elektrischer Antrieb |
CN108631484B (zh) * | 2018-07-16 | 2023-06-23 | 莱克电气股份有限公司 | 磁阻电动机端盖及磁阻电动机 |
CN109049502A (zh) * | 2018-08-31 | 2018-12-21 | 三巨科技电机(深圳)有限公司 | 一种防水密封装置 |
US10998792B2 (en) * | 2018-12-21 | 2021-05-04 | Abb Schweiz Ag | Polymeric industrial electrical machine |
JP2020124003A (ja) * | 2019-01-29 | 2020-08-13 | 日本電産サンキョー株式会社 | ポンプ装置 |
JP7348781B2 (ja) * | 2019-09-10 | 2023-09-21 | ミネベアミツミ株式会社 | ファンモータ |
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Also Published As
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US9973053B2 (en) | 2018-05-15 |
US20150108859A1 (en) | 2015-04-23 |
JP2013240215A (ja) | 2013-11-28 |
CN104285359B (zh) | 2018-02-02 |
KR20150014968A (ko) | 2015-02-09 |
CN104285359A (zh) | 2015-01-14 |
EP2852033B1 (en) | 2016-11-30 |
EP2852033A4 (en) | 2016-03-16 |
EP2852033A1 (en) | 2015-03-25 |
JP5942585B2 (ja) | 2016-06-29 |
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