WO2015118660A1 - 全閉形主電動機 - Google Patents
全閉形主電動機 Download PDFInfo
- Publication number
- WO2015118660A1 WO2015118660A1 PCT/JP2014/052911 JP2014052911W WO2015118660A1 WO 2015118660 A1 WO2015118660 A1 WO 2015118660A1 JP 2014052911 W JP2014052911 W JP 2014052911W WO 2015118660 A1 WO2015118660 A1 WO 2015118660A1
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- WIPO (PCT)
- Prior art keywords
- guide
- bracket
- rotor
- main motor
- air
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
- H02K9/12—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing wherein the cooling medium circulates freely within the casing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
- H02K9/16—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle wherein the cooling medium circulates through ducts or tubes within the casing
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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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
Definitions
- the present invention relates to a hermetic main motor for driving a railway vehicle.
- a fully enclosed main motor (fully closed main motor) is often used from the viewpoint of maintenance saving.
- This fully closed main motor mainly includes a cylindrical frame, a bracket that closes both ends of the frame, a rotor shaft supported by bearings provided on the bracket, and a rotor core provided on the rotor shaft.
- the stator iron core fixed to the frame and the stator coil attached to the stator iron core are configured to seal the air inside the motor.
- the fully-enclosed main motor constructed in this way has a structure that seals the inside of the motor, so it cannot cool by taking outside air into the machine, so to dissipate the heat inside the machine to the outside, the frame is enlarged and the heat radiation area It is necessary to take measures such as increasing
- a fully-enclosed main motor using a cooling fan as a part for separating the inside of the machine from the outside of the machine has been proposed.
- this main motor when the rotor rotates, the air (inside air) in the machine is agitated by the cooling fan fixed to the rotor, and the inside air heated by the rotor and the stator core is cooled by the cooling fan and the frame. In this way, the heat is exchanged and the main motor is efficiently cooled.
- an opening is formed in the bracket, and an air passage extending from the opening to the vicinity of the rotor shaft is formed inside the bracket.
- the main plate of the cooling fan is formed with a plurality of wings on the side of the bracket, and outside air is taken in from the opening as the cooling fan rotates.
- the outside air flows as cooling air for cooling the main motor in the order of the ventilation path of the bracket, the rotor shaft, and the wings, and is discharged outside the apparatus through the ventilation path formed in the frame.
- an air passage for introducing outside air to the vicinity of the rotor shaft is formed on the inner side of the bracket. That is, there is a protrusion between the main plate and the bracket. Therefore, it is necessary to arrange the wing part of the cooling fan on the outer diameter side of the ventilation path.
- the peripheral speed of the wing outer diameter portion increases as the wing portion of the cooling fan is located on the outer diameter side, which increases the noise generated in the cooling fan by blowing the wind at high speed. . Therefore, in the structure of the above prior art, there is a problem that if the outer diameter of the wing is reduced in order to reduce the noise of the cooling fan, the wing area is reduced and the necessary air volume cannot be maintained.
- the present invention has been made in view of the above, and an object of the present invention is to obtain a fully-enclosed main motor capable of improving the heat dissipation efficiency by securing a necessary cooling air volume while suppressing noise.
- the present invention provides a stator, a rotor having a rotor core and a cooling fan disposed on the inner peripheral side of the stator, the stator, and the A fully-enclosed main electric motor comprising a frame including a rotor, a bracket connected to the frame and supporting a rotor shaft, and a bearing portion provided on the bracket and supporting the rotor shaft,
- the cooling fan has a main plate that expands in diameter from the iron core retainer toward the bearing portion and partitions the inside and the outside of the fully-closed main electric motor, and a plurality of cooling fans provided in the rotation direction of the rotor on the bracket side of the cooling fan
- the peripheral speed of the outer diameter portion of the wing is reduced without reducing the wing area, the heat radiation efficiency can be improved by securing the necessary cooling air volume while suppressing noise. , Has the effect.
- FIG. 1 is a longitudinal sectional view of a fully closed main electric motor according to an embodiment of the present invention.
- FIG. 2 is a perspective sectional view of the cooling fan shown in FIG.
- FIG. 3 is a view showing a modification of the cooling fan shown in FIG.
- FIG. 4 is a perspective view of the cooling fan shown in FIG.
- FIG. 5 is a perspective sectional view of the cooling fan shown in FIG.
- FIG. 1 is a longitudinal sectional view of a fully closed main motor according to an embodiment of the present invention.
- FIG. 2 is a perspective sectional view of the cooling fan shown in FIG.
- a fully closed main motor (hereinafter referred to as “main motor”) 100 includes a stator 10 composed of a stator core 3 and a stator coil 8, a rotor 7 disposed in the stator 10, a stator 10 and a rotation.
- the frame 2 includes the child 7, the bracket 1 disposed on the driving side 60 of the frame 2, and the cartridge 51 provided at the axial center of the counter driving side 61 of the frame 2. .
- the bracket 1 has a ventilation path 21 and an intake port 20 communicating with the ventilation path 22 of the frame 2.
- the intake port 20 is provided in the circumferential direction.
- the intake port 20 is provided in a region formed by projecting the guide 33 toward the bracket 1.
- the frame 2 is formed with a ventilation path 22 positioned on the outer peripheral side of the stator core 3.
- a plurality of ventilation paths 22 are provided in the circumferential direction of the frame 2 so that one end communicates with the ventilation path 21 of the bracket 1.
- an exhaust port 25 for discharging the cooling air flowing through the ventilation path 21 of the bracket 1 and the ventilation path 22 of the frame 2 to the outside of the machine is formed.
- the rotor 7 When the rotor 7 is formed by laminating electromagnetic steel plates, the rotor core 4, the iron core retainer 5 that covers the drive side 60 of the rotor core 4, the iron core retainer 6 that covers the counter drive side 61 of the rotor core 4, and the iron core
- a cooling fan 30 attached to the presser 5, a rotor bar 13 embedded in the rotor core 4, and ring-shaped end rings 14 provided at both ends of the rotor bar 13 are integrally connected to form a cage type of induction motor.
- a rotor is formed.
- the bearing portion 50 at the center of the bracket 1 houses a bearing that rotatably supports one end of the rotor shaft 9 and has a labyrinth structure.
- the labyrinth is a structure that forms a boundary between the rotating part and the fixed part, prevents the grease for bearing lubrication from leaking out of the machine, and prevents dust from entering the bearing and the machine from outside the machine.
- the cartridge 51 houses a bearing that rotatably supports the other end of the rotor shaft 9 and has a labyrinth structure. With such a configuration, the rotational force of the rotor 7 is transmitted to the wheel via a joint and a gear device (not shown) disposed on the drive side 60.
- the cooling fan 30 includes a main plate 31, a plurality of wings 32 (first wings), and a guide 33 (first guide).
- the main plate 31 has a shape that increases in diameter from the iron core retainer 5 toward the bracket 1.
- the main motor 100 is arranged so as to partition the inside and the outside. Details of the guide 33 will be described later.
- the outer peripheral end 31 a of the main plate 31 is disposed in the vicinity of the bracket 1, and a labyrinth (a minute gap 11) is provided between the main plate 31 and the bracket 1. As a result, the cooling air flowing between the cooling fan 30 and the bracket 1 is prevented from entering the machine.
- the main plate 31 is provided with a through hole 31b into which the rotor shaft 9 is inserted, and a plurality of blades 32 are formed on the surface of the main plate 31 on the bracket 1 side (surface on the drive side 60 in the illustrated example).
- the wing 32 is provided in the circumferential direction of the rotor 7 and is disposed between the main plate 31 and the guide 33.
- the wing 32 is formed so as to extend from the center of the cooling fan 30 toward the outer peripheral end 31 a of the main plate, the inner diameter side end portion 32 b is located on the center side of the main plate 31, and the outer diameter side end portion 32 a is the outer peripheral end of the main plate 31. It is located on the 31a side.
- the guide 33 is formed, for example, in a bottomless mortar shape, and is provided on the other end (drive side 60) of the wing 32 at a position facing the intake port 20.
- the guide 33 is provided in parallel to the main plate 31 so as not to hinder the flow of cooling air taken from the intake port 20.
- the guide 33 in the illustrated example has a width e from the peripheral edge (inner peripheral edge 33b) on the main plate 31 side to the peripheral edge (outer peripheral edge 33a) on the bracket 1 side, from the inner diameter side end 32b to the outer diameter side end 32a. It is formed larger than the width f.
- the inner peripheral edge 33 b of the guide 33 is located near the fitting part between the main plate 31 and the rotor shaft 9, and the outer peripheral edge 33 a of the guide 33 is provided near the bracket 1. .
- the inner peripheral edge portion 33b in the vicinity of the fitting portion the outside air introduced from the intake port 20 can be guided to the vicinity of the through hole 31b of the main plate 31, and the heat exchange rate in the main plate 31 can be improved. it can.
- the outer peripheral edge portion 33 a in the vicinity of the bracket 1 it is possible to prevent the outside air introduced from the air inlet 20 from being released from the minute gap 12 between the outer peripheral edge portion 33 a and the bracket 1 to the ventilation path 21.
- the guide 33 Since the guide 33 is interposed between the wing 32 and the intake port 20, the noise generated by the wing 32 is blocked by the guide 33, and the noise leaking out of the machine from the intake port 20 can be suppressed. . Moreover, in the guide 33, since heat exchange is performed between the heat inside the main motor absorbed by the main plate 31 and the low-temperature outside air, the heat exchange efficiency in the main plate is improved, and the cooling efficiency of the main motor 100 is improved. .
- the cross section of the air inlet 20 (d in the figure), the cross section of the air path between the guide 33 and the bracket 1 (a in the figure), and the wind between the main plate 31 and the guide 33 are shown.
- the road cross section (b in the figure) and the air path cross section (c in the figure) between the portion where the wing 32 of the main plate 31 is not provided and the bracket 1 are formed to have the same size.
- FIG. 3 is a view showing a modification of the cooling fan shown in FIG.
- FIG. 4 is a perspective view of the cooling fan shown in FIG.
- FIG. 5 is a perspective sectional view of the cooling fan shown in FIG.
- a main plate 3 includes a main plate 31, wings 32, guides 33, wings 34 (second wings), and guides 35 (second guides).
- a plurality of wings 34 are formed on the surface of the main plate 31 on the side of the stator coil 8 (surface on the non-driving side 61).
- a plurality of blades 34 are provided in the circumferential direction of the rotor 7, and are disposed between the main plate 31 and the guide 35.
- the wings 34 are formed so as to extend from the center of the cooling fan 30 toward the outer peripheral end 31a of the main plate.
- the inner diameter side end 34 b of the wing 34 is located on the end ring 14 side, and the outer diameter side end 34 a is located on the outer peripheral end 31 a side of the main plate 31.
- the inner diameter side end 34b is preferably provided in the vicinity of the end ring 14 so that the inside air that has passed through the ventilation path 23 of the rotor core 4 is effectively guided to the main plate 31 side.
- the guide 35 is formed, for example, in a bottomless mortar shape, and the peripheral portion (inner peripheral portion 35 b) on the stator 10 side forms a gap between the inner peripheral surface of the stator core 3 and the outer peripheral surface of the rotor core 4. It is located in the vicinity of the end of the rotor 7 so that the passed air is guided to the outer peripheral end 31 a of the main plate 31, and the peripheral portion (outer peripheral portion 35 a) on the main plate 31 side is in the vicinity of the outer peripheral end 31 a of the main plate 31. It is provided so that it may be located in.
- the end of the rotor 7 is, for example, between the end ring 14 and the coil end 8a.
- the position of the inner peripheral edge 35b is not limited to the illustrated example, but by providing the inner peripheral edge 35b at the end of the rotor 7, the inside air that has passed through the ventilation path 23 of the rotor 7 is diffused around the stator coil. Without passing through, the surface of the main plate 31 is efficiently passed to the air passage 24 of the stator. Therefore, when the inside air circulation efficiency is increased, the inside air temperature is lowered and the cooling efficiency of the main motor 100 is improved.
- the inside air is agitated by the rotation of the cooling fan 30 and passes through the ventilation path 24 of the stator core 3 and the ventilation path 23 of the rotor core 4 as shown by the dotted line B in FIG. Circulate.
- the inside air heated by the rotor 7 and the stator core 3 is taken in between the guide 35 and the main plate 31 from the inner peripheral edge 35b side, and passes through the outer periphery from the center of the main plate 31. It is cooled by heat exchange.
- an air passage for introducing outside air to the vicinity of the rotor shaft is formed on the inner side of the bracket. That is, there is a protrusion between the main plate and the bracket. Therefore, the inner diameter side end of the wing cannot be provided on the inner diameter side of the ventilation path. Therefore, in order to secure the necessary air volume, it is necessary to increase the wing area by arranging the outer diameter side end of the wing in the vicinity of the outer peripheral edge of the cooling fan.
- the peripheral speed on the outer diameter side of the wing increases as the outer diameter side end of the wing is positioned on the outer diameter side, and the noise generated by the cooling fan increases as the peripheral speed increases.
- the structure of the above prior art has a problem in that noise generated by the cooling fan cannot be reduced while the wing area is secured.
- the outer diameter of the wing 32 and the guide 33 can be reduced without reducing the wing area. Accordingly, the peripheral speed of the outer peripheral portion of the wing decreases while maintaining the required cooling air volume, and noise can be reduced without reducing the cooling efficiency of the main motor 100. Moreover, according to the main electric motor 100, the shape of a bracket is simplified and manufacturing cost can be reduced.
- the main plate 31 in the illustrated example is provided with a guide 35 as an example, but the configuration of the main plate 31 is not limited to the illustrated example, and the guide 35 may be omitted. In this case, although the flow rate of the inside air flowing through the main plate 31 is reduced, the heat exchange rate can be increased as compared with the case without the wings 34.
- the intake port 20 is provided in the bracket 1 on the driving side 60, and the wing 32, the guide 33, the wing 34, and the guide 35 are provided on the cooling fan 30 on the driving side 60.
- the configuration of the main motor 100 is not limited to the illustrated example.
- a through hole corresponding to the air inlet 20 may be provided on the surface of the non-driving side 61 of the frame 2, and a cooling fan similar to the cooling fan 30 may be provided in the iron core pusher 6. You may comprise so that the mechanism equivalent to the wing
- the position of the inner peripheral edge 35b of the illustrated guide 35 is not limited to the illustrated example.
- the guide 35 may be formed in a shape similar to the shape of the coil end 8a, with the inner peripheral edge 35b positioned in the vicinity of the end of the rotor 7.
- the guide 35 is formed in parallel along the coil end 8a, the heat of the coil end 8a is absorbed by the guide 35, and the stator core 3 and the coil end 8a can be effectively cooled.
- the main motor 100 includes the stator 10, the rotor 7 having the rotor core 4 and the cooling fan 30 disposed on the inner peripheral side of the stator 10, and the fixed A frame 2 containing the rotor 10 and the rotor 7, a bracket 1 connected to the frame 2 and supporting the rotor shaft 9, and a bearing 50 provided on the bracket 1 and supporting the rotor shaft 9;
- the fan 30 is provided in the rotational direction of the rotor 7 on the bracket 1 side of the cooling fan 30 and the main plate 31 that increases the diameter from the iron core retainer 5 toward the bearing and partitions the inside and the outside of the fully closed main motor 100.
- the outer diameter of the wing 32 and the guide 33 can be reduced without reducing the wing area. Therefore, the peripheral speed of the outer peripheral portion of the wing can be reduced while maintaining the necessary cooling air volume, and noise can be reduced without reducing the cooling efficiency of the main motor 100.
- the shape of the bracket 1 is simplified, and the manufacturing cost can be reduced.
- the guide 33 is formed so that the air that has passed through the wings 32 does not return to the intake port 20, the outside air introduced from the intake port 20 is ventilated from the minute gap 12 between the outer peripheral edge 33 a and the bracket 1. It is possible to prevent the passage to the road 21. Further, since the inner peripheral edge portion 33b of the guide 33 is formed so that the air sucked from the air inlet 20 is guided to the rotor shaft 9, the outside air introduced from the air inlet 20 is passed through the through hole of the main plate 31. It can guide
- the fully-enclosed main motor according to the embodiment shows an example of the content of the present invention, can be combined with another known technique, and does not depart from the gist of the present invention.
- the present invention can be applied to a fully-enclosed main motor, and is particularly useful as an invention capable of improving the heat dissipation efficiency by securing the necessary cooling air volume while suppressing noise.
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- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
図1は本発明の実施の形態にかかる全閉形主電動機の縦断面図である。図2は図1に示される冷却ファンの斜視断面図である。
Claims (7)
- 固定子と、
固定子の内周側に配置される回転子コアと冷却ファンとを有する回転子と、
前記固定子と前記回転子とを内包するフレームと、
前記フレームに接続され回転子軸を支持するブラケットと、
前記ブラケットに設けられ回転子軸を支持する軸受部と、
を備えた全閉形主電動機であって、
前記冷却ファンは、前記鉄心押えから前記軸受部に向かうにつれて拡径して全閉形主電動機の内部と外部とを仕切る主板と、前記冷却ファンのブラケット側にて回転子の回転方向に設けられた複数の第1の羽と、前記各第1の羽のブラケット側にて前記主板と平行に配置された第1のガイドと、で構成され、
前記ブラケットには、前記第1のガイドを前記ブラケットに向かって投影してなる領域内に吸気口が設けられ、
前記第1のガイドは、前記吸気口から吸入された空気が前記回転子軸に誘導されるように形成されていることを特徴とする全閉形主電動機。 - 前記第1のガイドは、前記第1の羽を通過した空気が前記吸気口に戻らないように形成されていることを特徴とする請求項1に記載の全閉形主電動機。
- 前記第1のガイドの内周縁部は、前記吸気口から吸入された空気が前記回転子軸に誘導されるように形成されていることを特徴とする請求項1に記載の全閉形主電動機。
- 前記吸気口の断面と、
前記第1のガイドと前記ブラケットとの間の風路断面と、
前記主板と前記第1のガイドとの間の風路断面と、
前記主板の前記第1の羽が設けられていない箇所と前記ブラケットとの間の風路断面とが、同じ大きさに形成されていることを特徴とする請求項1に記載の全閉形主電動機。 - 前記冷却ファンの固定子側には、前記回転子の回転方向に内気循環用の第2の羽が複数設けられていることを特徴とする請求項1に記載の全閉形主電動機。
- 前記第2の羽の固定子側には、前記固定子のコイルエンドに沿って平行に形成されている第2のガイドが設けられていることを特徴とする請求項5に記載の全閉形主電動機。
- 前記第2のガイドは、その内周縁部が前記回転子の端部の近くに位置するように形成されていることを特徴とする請求項6に記載の全閉形主電動機。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480074829.4A CN105981269B (zh) | 2014-02-07 | 2014-02-07 | 全封闭型牵引电动机 |
EP14881811.5A EP3093962B1 (en) | 2014-02-07 | 2014-02-07 | Totally enclosed main motor |
JP2014526723A JP5599539B1 (ja) | 2014-02-07 | 2014-02-07 | 全閉形主電動機 |
PCT/JP2014/052911 WO2015118660A1 (ja) | 2014-02-07 | 2014-02-07 | 全閉形主電動機 |
US15/109,517 US10418882B2 (en) | 2014-02-07 | 2014-02-07 | Traction motor with cooling fan for improved cooling flow |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2014/052911 WO2015118660A1 (ja) | 2014-02-07 | 2014-02-07 | 全閉形主電動機 |
Publications (1)
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WO2015118660A1 true WO2015118660A1 (ja) | 2015-08-13 |
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Family Applications (1)
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PCT/JP2014/052911 WO2015118660A1 (ja) | 2014-02-07 | 2014-02-07 | 全閉形主電動機 |
Country Status (5)
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US (1) | US10418882B2 (ja) |
EP (1) | EP3093962B1 (ja) |
JP (1) | JP5599539B1 (ja) |
CN (1) | CN105981269B (ja) |
WO (1) | WO2015118660A1 (ja) |
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JP2019198192A (ja) * | 2018-05-11 | 2019-11-14 | 株式会社日立製作所 | 電動機 |
JP2020048273A (ja) * | 2018-09-14 | 2020-03-26 | 富士電機株式会社 | 車両用主電動機 |
JP7495972B2 (ja) | 2022-12-05 | 2024-06-05 | 株式会社日立インダストリアルプロダクツ | 回転電機 |
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FR3102716B1 (fr) * | 2019-11-06 | 2021-12-03 | Alstom Transp Tech | Dispositif de refroidissement d’un moteur électrique de traction d’un véhicule, ensemble de motorisation, véhicule et procédé de remplacement associés |
JP6974760B2 (ja) * | 2019-11-29 | 2021-12-01 | ダイキン工業株式会社 | モータ組立体、及び、空気調和装置 |
CN113541398A (zh) * | 2021-07-14 | 2021-10-22 | 中车株洲电机有限公司 | 一种永磁电机及轨道机车 |
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CN114362424B (zh) * | 2021-12-15 | 2024-04-19 | 中车永济电机有限公司 | 一种高速自通风牵引电机 |
CN115589105B (zh) * | 2022-10-13 | 2024-04-12 | 浙江欣立电器科技有限公司 | 一种多功能增强型集成式伺服电机 |
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JP2019198192A (ja) * | 2018-05-11 | 2019-11-14 | 株式会社日立製作所 | 電動機 |
WO2019215969A1 (ja) | 2018-05-11 | 2019-11-14 | 株式会社日立製作所 | 回転電機 |
CN112292802A (zh) * | 2018-05-11 | 2021-01-29 | 株式会社日立产业机器 | 旋转电机 |
CN112292802B (zh) * | 2018-05-11 | 2023-12-08 | 株式会社日立产业机器 | 旋转电机 |
JP2020048273A (ja) * | 2018-09-14 | 2020-03-26 | 富士電機株式会社 | 車両用主電動機 |
JP7222207B2 (ja) | 2018-09-14 | 2023-02-15 | 富士電機株式会社 | 車両用主電動機 |
JP7495972B2 (ja) | 2022-12-05 | 2024-06-05 | 株式会社日立インダストリアルプロダクツ | 回転電機 |
Also Published As
Publication number | Publication date |
---|---|
EP3093962A4 (en) | 2017-09-13 |
US20160329778A1 (en) | 2016-11-10 |
EP3093962B1 (en) | 2019-12-25 |
JPWO2015118660A1 (ja) | 2017-03-23 |
US10418882B2 (en) | 2019-09-17 |
JP5599539B1 (ja) | 2014-10-01 |
CN105981269B (zh) | 2019-03-01 |
CN105981269A (zh) | 2016-09-28 |
EP3093962A1 (en) | 2016-11-16 |
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