JP2000253635A - Axial gap motor - Google Patents

Axial gap motor

Info

Publication number
JP2000253635A
JP2000253635A JP11009182A JP918299A JP2000253635A JP 2000253635 A JP2000253635 A JP 2000253635A JP 11009182 A JP11009182 A JP 11009182A JP 918299 A JP918299 A JP 918299A JP 2000253635 A JP2000253635 A JP 2000253635A
Authority
JP
Japan
Prior art keywords
stator
axial gap
magnet
gap motor
motor
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.)
Granted
Application number
JP11009182A
Other languages
Japanese (ja)
Other versions
JP4234831B2 (en
Inventor
Hisao Igarashi
久男 五十嵐
Original Assignee
Shibaura Densan Kk
芝浦電産株式会社
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
Priority to JP37396098 priority Critical
Priority to JP10-373960 priority
Application filed by Shibaura Densan Kk, 芝浦電産株式会社 filed Critical Shibaura Densan Kk
Priority to JP00918299A priority patent/JP4234831B2/en
Publication of JP2000253635A publication Critical patent/JP2000253635A/en
Application granted granted Critical
Publication of JP4234831B2 publication Critical patent/JP4234831B2/en
Anticipated expiration legal-status Critical
Application status is Expired - Fee Related legal-status Critical

Links

Abstract

(57) [Problem] To provide an axial gap motor capable of easily obtaining high torque. SOLUTION: A stator 22 composed of six small stators 24
The rotor 11 composed of a disk-shaped first magnet 18 and a second magnet 20 is disposed on the front and rear surfaces of the rotor.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to an axial gap motor.

[0002]

2. Description of the Related Art Conventionally, there has been known an axial gap motor in which a rotor magnet has a disk shape and a stator has a cylindrical shape. With this axial gap motor, the axial length, that is, the thickness of the axial gap motor can be reduced.

However, in the case of this axial gap motor, it was necessary to increase the outer diameter of the coil in order to increase the space factor of the coil. Further, when a coil is wound around the stator, there is a problem that it is difficult to wind a coil having a large wire diameter due to its structure. Furthermore, in order to obtain a high torque, it was necessary to increase the outer diameter as described above.

Therefore, the present invention provides an axial gap motor capable of easily obtaining a high torque.

[0005]

An axial gap motor according to a first aspect of the present invention is provided with a disk-shaped first magnet using a first yoke on a rotating shaft, and a disk-shaped first magnet on the rotating shaft. A small stator in which a rotor is formed by providing a second magnet having a shape in parallel with the first magnet at a predetermined interval using a second yoke to form a rotor and winding a coil around a stator core Are arranged circumferentially around the rotation axis to form a stator, the stator is arranged between the first magnet and the second magnet, and the stator is mounted on a bracket. It is fixed.

The axial gap motor according to claim 2 is
2. The device according to claim 1, wherein a bearing is provided on an inner peripheral side of the stator, and the rotating shaft is rotatably arranged by the bearing.

The axial gap motor according to claim 3 is
2. The device according to claim 1, wherein a substrate is provided on an inner peripheral side of the stator, and the rotating shaft is disposed on an inner peripheral side of the substrate.

An axial gap motor according to claim 4 is
2. The stator according to claim 1, wherein the stator core is formed by laminating iron plates.

An axial gap motor according to claim 5 is
The stator according to claim 4, wherein the stator is molded with a molding resin.

The axial gap motor according to claim 6 is
2. The stator according to claim 1, wherein the stator core is formed of a sintered material or a mixture of a synthetic resin and iron powder.

An axial gap motor according to claim 7 is
2. The device according to claim 1, wherein a plurality of spools for winding the coil are connected to each other, and the plurality of small stators are integrated.

According to the axial gap motor of the first aspect, since the stator is sandwiched between the rotor composed of the first disc-shaped magnet and the second disc-shaped magnet, the magnetic flux is effectively utilized. High torque can be obtained.

According to the axial gap motor of the second aspect, since the bearing is provided on the inner peripheral side of the stator, the protrusion of the bearing is eliminated, and the thickness can be further reduced.

According to the axial gap motor of the third aspect, by arranging the substrate on the inner peripheral side of the stator, the thickness can be reduced.

According to the axial gap motor of the fourth aspect, the stator core can be manufactured by laminating iron plates, so that the manufacture can be facilitated.

In the axial gap motor according to the fifth aspect, the stator core, in which the iron plates are laminated, is molded with a molding resin, so that the stator core is bonded, press-fitted, welded, and so on.
This eliminates the need for a step of performing screwing and the like, and improves the reliability without any risk of loosening or movement of the stator core.

According to the axial gap motor of the sixth aspect, the stator can be formed of a sintered material or a mixture of a synthetic resin and iron powder, thereby facilitating the formation of the magnetic material.

According to the axial gap motor of the seventh aspect, the stator can be easily manufactured.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) Hereinafter, an axial gap motor 10 which is a four-pole DC brushless motor according to a first embodiment of the present invention will be described with reference to FIGS.
It will be described based on.

FIG. 1 is a half longitudinal sectional view of an axial gap motor (hereinafter, referred to as a motor) 10. FIG. 2 is a sectional view taken along line AA in FIG. FIG. 3 is a front view of the rotor.

First, the structure of the rotor 11 will be described.

The central portion of the rotary shaft 12 has a larger diameter than other portions, and a disk-shaped first yoke 14 is provided at a front portion of the thickened portion, and at a rear portion thereof. Is provided with a disk-shaped second yoke 16. And
A disk-shaped first magnet 18 is provided on the rear surface side of the first yoke 14. Disc-shaped first magnet 1
8 has an N pole and an S pole every 45 °. Also,
A disk-shaped second magnet 20 is provided on the front side of the second yoke 16. The first disc-shaped magnet 18 and the second disc-shaped magnet 20 are arranged in parallel,
Further, the N pole of the first magnet 18 is arranged so that the S pole of the second magnet 20 faces the N pole.

Next, the structure of the stator 22 will be described.

As shown in FIG. 2, the stator 22 is composed of six small stators 24 arranged at intervals of 60 ° on a circumference around the rotary shaft 12. It is fixed to the inner peripheral surface of a cylindrical container-like bracket 32 made of a magnetic material, for example, made of aluminum. In addition, the six small stators 24 are composed of a disk-shaped first magnet 18 and a disk-shaped second magnet 18.
It is located between the magnet 20.

The stator core 30 of each small stator 24 is shown in FIG.
As shown in the figure, the shape is such that a plurality of H-shaped iron plates are laminated. On the other hand, a coil 28 is wound around the spool 26.
The stator core 30 is fitted in the spool 26 around which the coil 28 is wound. As shown in FIG. 1, the H-shaped stator core 30 is divided into a T-shaped front part 30a and a T-shaped rear part 30b, and can be fitted to the spool 26.

At the front of the bracket 32, a disk-shaped bracket 34 is fitted. The front of the rotating shaft 12 is attached to the bracket 34 via a bearing 36, and the rear of the rotating shaft 12 is mounted on the bracket 3 via a bearing 38.
2 attached to the rear. Ring-shaped retaining rings 40 and 42 are provided so that the rotating shaft 12 is fixed to the bearings 36 and 38.

On the front side of the first yoke 16, a motor 10
Is provided with a disk-shaped substrate 44 in which the above-mentioned drive circuit is built. This board 44 is attached to the inner peripheral surface of the bracket 32. From the outer peripheral portion of the substrate 44, the first magnet 1
A plurality of Hall ICs 46 project in the direction of 8, and the position of the rotor 11 can be detected by the Hall ICs 46. A power cord 48 is drawn out of the board 44.

The rotor 11 of the motor 10 includes a first magnet 18 and a second magnet 20, which are provided so as to sandwich six small stators 24.
The magnetic fluxes of the first magnet 18 and the second magnet 20 located in front of and behind the six small stators 24
4, a higher torque than the conventional motor can be realized. Further, the space factor of the coil 28 can be increased without increasing the outer diameter of the motor 10. Further, when the coil 28 is wound around the spool 26, a coil having a large wire diameter can be wound, so that a low-speed and high-torque motor can be realized.

Since the motor 10 of the present embodiment is a four-pole DC brushless motor, it has six small stators 24.
However, the number of the small stators 24 may be determined according to the number of poles.

(Second Embodiment) Referring to FIG.
The motor 10 according to the embodiment will be described.

FIG. 4 is a half longitudinal sectional view of the motor 10 of the present embodiment.

The motor 1 according to the present embodiment and the first embodiment
The difference from 0 is in the positions of the bearings 36 and 38. That is, as shown in FIG. 4, the bearings 36 and 38 are arranged inside the stator 27. In this case, in order to fix the bearings 36 and 38, the bracket 32 is divided into a front bracket 32a and a rear bracket 32b.

The manufacturing process will be described.

A disc-shaped substrate 44 is mounted on the rear bracket 32b.
After the bearing 38 is fitted to the rotating shaft 12, the second yoke 16 is mounted.

Next, the stator 27 is inserted into the bearing 38,
The stator 27 is fitted into the spigot portion of the rear bracket 32b. In this case, a non-magnetic ring-shaped holding member 50 made of brass or the like is interposed between the bearing 38 and the stator 22.

Next, the bearing 36 is fitted on the rotating shaft 12, and the first yoke 14 is further fitted.

Thereafter, the front bracket 32b is fitted into the rear bracket 32b, and the front bracket 32a and the rear bracket 32b are fixed by bolts 52.

With this motor 10, the bearings 36, 38
Are arranged on the inner peripheral side of the stator 22, so that the bearing 3
6, 38 does not protrude in the axial direction, and the bearing 3
The thickness of the motor 10 can be made smaller than that of the motor 10 of the first embodiment by 6,38.

The bearings 36 and 38 and the stator 22 are
Since it is fixed to the bracket 32, components can be easily arranged inside.

(Third Embodiment) Next, a motor 10 of a third embodiment will be described with reference to FIG.

FIG. 5 is a semi-longitudinal sectional view of the motor 10 according to the third embodiment.

The motor 10 according to the present embodiment and the first embodiment
The difference from the above is the position of the substrate 44. That is, in the present embodiment, the position of the substrate 44 is disposed on the inner peripheral side of the stator 22.

According to the motor 10, the motor 10 can be made thinner by the amount of the substrate 44.
It can be achieved more.

(Fourth Embodiment) Next, a motor 10 according to a fourth embodiment will be described with reference to FIG.

FIG. 6 is a half longitudinal sectional view of the motor 10 according to the fourth embodiment.

The motor 10 according to the present embodiment and the first embodiment
Is that the entire stator 22 is molded with a molding resin.

By molding the stator 22 with the molding resin in this way, each component of the stator 22 is held by the molding resin, so that manufacturing processes such as bonding, press-fitting, welding, screwing, etc. of each component can be performed. This can be unnecessary, and the risk of loosening or movement of each component can be prevented. Therefore, the reliability of the stator 22 can be improved. The stator core 30 includes a front portion 30a and a rear portion 30b.
However, these parts are also fixed with the mold resin.

(Fifth Embodiment) A motor 10 according to a fifth embodiment will be described with reference to FIGS.

The difference between the motor 10 of the present embodiment and the motor 10 of the first embodiment lies in the structure of the stator 22.

That is, in the motor 10 of the first embodiment, the six small stators 24 are divided, but in the stator 22 of the present embodiment, as shown in FIG. Together, they form a ring-shaped ring spool 54. The ring spool 54 is provided with a small spool 56 for winding the six coils 28. Then, as shown in FIG. 9, the stator core 30a and the stator core 30b, which are divided into two, are fitted into the ring spool 54 from front and rear as shown in FIG. 22 is assembled.

The stator cores 30a, 30 divided into two parts
As a method for holding b, the two parts are bonded or
A method of molding the entire stator 22 with a mold resin as in the above embodiment is conceivable.

According to this embodiment, the stator core 30 is divided, and the stator core 30 is inserted into the ring spool 54 on both sides, so that the assembly is possible.

As shown in FIG. 9, the stator core may have a configuration in which the portion into which the small spool 56 is inserted is formed small. However, as shown in FIG. 10, a stator core in which T-shaped iron plates are stacked is used. You may.

(Sixth Embodiment) In the above embodiment, the stator core 30 is formed by laminating iron plates. Alternatively, the stator core 30 may be formed of a sintered material made of a soft magnetic material. Also,
It may be formed by a resin molded product of a mixture of a synthetic resin and iron powder.

According to this embodiment, the magnetic material of the stator core 30 can be easily formed.

Further, the stator core 30 may be manufactured with another structure.

[0057]

According to the axial gap motor of the first aspect of the present invention, without increasing the outer diameter of the motor,
The space factor of the coil can be increased. Further, since a coil having a large wire diameter can be wound, a motor having a low voltage and a high torque can be obtained. Since the small stator is sandwiched by the rotor composed of the first magnet and the second magnet, high torque can be obtained. A low-vibration motor is possible by balancing the thrust load of the shaft.

According to the axial gap motor of the second aspect, by providing a bearing on the inner peripheral side of the stator, the axial gap motor can be made thinner.

According to the axial gap motor of the third aspect, by providing the substrate inside the stator, the axial gap motor can be made thinner.

According to the axial gap motor of the fourth aspect, the stator can be easily manufactured only by laminating the iron plates.

According to the axial gap motor of the fifth aspect, by molding the stator with a molding resin, the manufacturing process of the stator can be simplified, and the risk of loosening or movement of each part can be prevented. Can be.

According to the axial gap motor of the sixth aspect, the formation of the magnetic body can be facilitated by forming the stator core with a sintered material or a mixture of a synthetic resin and iron powder.

According to the axial gap motor of the seventh aspect, the stator can be easily manufactured.

[Brief description of the drawings]

FIG. 1 is a half longitudinal sectional view of an axial gap motor according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA in FIG.

FIG. 3 is a front view of a rotor.

FIG. 4 is a half longitudinal sectional view of an axial gap motor according to a second embodiment.

FIG. 5 is a half longitudinal sectional view of an axial gap motor according to a third embodiment.

FIG. 6 is a semi-longitudinal sectional view of an axial gap motor according to a fourth embodiment.

FIG. 7 is a configuration example of a stator core in which iron plates are stacked.

FIG. 8 is an exploded perspective view of a stator in a motor according to a fifth embodiment.

FIG. 9 is a configuration example of a stator core.

FIG. 10 is another configuration example of the stator core.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Motor 11 Rotor 12 Rotation axis 14 1st yoke 16 2nd yoke 18 1st magnet 20 2nd magnet 22 Stator 24 Small stator 26 Spool 28 Coil 30 Stator

Claims (7)

[Claims]
1. A disk-shaped first magnet is provided on a rotating shaft of a first magnet.
The rotor is provided by using a yoke, and a disk-shaped second magnet is provided in parallel with the first magnet at a predetermined distance from the second magnet using the second yoke. A plurality of small stators each having a coil wound around a stator core are arranged circumferentially around the rotation axis to form a stator, and the stator is formed by the first magnet and the second magnet. An axial gap motor, wherein the stator is fixed to a bracket while being disposed between the magnets.
2. The axial gap motor according to claim 1, wherein a bearing is provided on an inner peripheral side of the stator, and the rotating shaft is rotatably arranged by the bearing.
3. The axial gap motor according to claim 1, wherein a substrate is provided on an inner peripheral side of said stator, and said rotating shaft is arranged on an inner peripheral side of said substrate.
4. The axial gap motor according to claim 1, wherein said stator core is formed by laminating iron plates.
5. The axial gap motor according to claim 4, wherein said stator is molded with a molding resin.
6. The axial gap motor according to claim 1, wherein said stator core is formed of a sintered material or a mixture of a synthetic resin and iron powder.
7. The axial gap motor according to claim 1, wherein a plurality of spools for winding said coil are connected to integrate said plurality of small stators.
JP00918299A 1998-12-28 1999-01-18 Axial gap motor Expired - Fee Related JP4234831B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP37396098 1998-12-28
JP10-373960 1998-12-28
JP00918299A JP4234831B2 (en) 1998-12-28 1999-01-18 Axial gap motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP00918299A JP4234831B2 (en) 1998-12-28 1999-01-18 Axial gap motor

Publications (2)

Publication Number Publication Date
JP2000253635A true JP2000253635A (en) 2000-09-14
JP4234831B2 JP4234831B2 (en) 2009-03-04

Family

ID=26343864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP00918299A Expired - Fee Related JP4234831B2 (en) 1998-12-28 1999-01-18 Axial gap motor

Country Status (1)

Country Link
JP (1) JP4234831B2 (en)

Cited By (24)

* Cited by examiner, † Cited by third party
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EP1516418A1 (en) * 2002-06-26 2005-03-23 Amotech Co., Ltd. Brushless direct-current motor of radial core type having a structure of double rotors and method for making the same
JP2006254562A (en) * 2005-03-09 2006-09-21 Nissan Motor Co Ltd Rotary electric machine
JP2006296140A (en) * 2005-04-13 2006-10-26 Fujitsu General Ltd Axial air-gap electric motor
US7256524B2 (en) 2004-08-06 2007-08-14 Nissan Motor Co., Ltd. Axial gap electric motor
WO2007114079A1 (en) 2006-03-27 2007-10-11 Daikin Industries, Ltd. Armature core, motor using it, and its manufacturing method
US7323799B2 (en) * 2001-11-29 2008-01-29 Yamaha Hatsudoki Kabushiki Kaisha Axial gap type rotating electric machine
JP2008092735A (en) * 2006-10-04 2008-04-17 Nissan Motor Co Ltd Stator structure of axial gap type rotary electric machine
JP2008131683A (en) * 2006-11-16 2008-06-05 Fujitsu General Ltd Axial air gap type motor
JP2008245504A (en) * 2007-10-24 2008-10-09 Daikin Ind Ltd Manufacturing method of armature core, and armature core
US20100275660A1 (en) * 2009-04-30 2010-11-04 Samsung Electronics Co., Ltd. Motor, method of manufacturing the same, and washing machine having motor manufactured thereby
KR101022389B1 (en) * 2003-02-26 2011-03-22 가부시키가이샤 후지쯔 제네랄 Axial gap electronic motor
WO2012134114A2 (en) * 2011-03-25 2012-10-04 주식회사 아모텍 Amorphous divided-core stator and axial-gap-type motor using same
CN102969851A (en) * 2012-10-29 2013-03-13 常州工学院 Magnetic powder casting mold bilateral rotor motor
WO2013094923A1 (en) * 2011-12-22 2013-06-27 주식회사 아모텍 Motor comprising integrated stator core
JP2013135541A (en) * 2011-12-27 2013-07-08 Hitachi Industrial Equipment Systems Co Ltd Axial gap rotary electric machine
WO2013114921A1 (en) * 2012-01-30 2013-08-08 株式会社日立産機システム Impeller system having axial gap rotor
WO2013180435A1 (en) * 2012-06-01 2013-12-05 주식회사 아모텍 Axial gap-type motor and method for manufacturing same
JP2014017915A (en) * 2012-07-06 2014-01-30 Hitachi Ltd Axial gap type rotary electric machine
US8710785B2 (en) 2007-12-18 2014-04-29 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Method of operating an electromechanical converter, a controller and a computer program product
CN103795216A (en) * 2012-10-29 2014-05-14 常州工学院 Magnetic-powder casting-mold unilateral rotor motor
KR101437546B1 (en) 2012-09-13 2014-09-04 현대모비스 주식회사 Stator assembly, axial flux permanent magnet motor and method for manufacturing stator
CN104283387A (en) * 2012-10-29 2015-01-14 常州工学院 Magnetic powder casting type bilateral rotor motor easy to manufacture
CN104300753B (en) * 2012-10-29 2017-02-01 常州工学院 Magnetic powder cast bilateral rotor motor high in working reliability
CN106416025A (en) * 2014-04-11 2017-02-15 株式会社日立产机系统 Axial air gap rotating electric machine

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Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7323799B2 (en) * 2001-11-29 2008-01-29 Yamaha Hatsudoki Kabushiki Kaisha Axial gap type rotating electric machine
EP1516418A4 (en) * 2002-06-26 2006-08-09 Amotech Co Ltd Brushless direct-current motor of radial core type having a structure of double rotors and method for making the same
EP1516418A1 (en) * 2002-06-26 2005-03-23 Amotech Co., Ltd. Brushless direct-current motor of radial core type having a structure of double rotors and method for making the same
JP2008048599A (en) * 2002-06-26 2008-02-28 Amotech Co Ltd Drive arrangement for washing machines using bldc motor of radial-core double rotor structure
KR101022389B1 (en) * 2003-02-26 2011-03-22 가부시키가이샤 후지쯔 제네랄 Axial gap electronic motor
US7256524B2 (en) 2004-08-06 2007-08-14 Nissan Motor Co., Ltd. Axial gap electric motor
JP2006254562A (en) * 2005-03-09 2006-09-21 Nissan Motor Co Ltd Rotary electric machine
JP4720980B2 (en) * 2005-04-13 2011-07-13 株式会社富士通ゼネラル Axial air gap type electric motor
JP2006296140A (en) * 2005-04-13 2006-10-26 Fujitsu General Ltd Axial air-gap electric motor
WO2007114079A1 (en) 2006-03-27 2007-10-11 Daikin Industries, Ltd. Armature core, motor using it, and its manufacturing method
EP2022983A2 (en) 2006-03-27 2009-02-11 Daikin Industries, Ltd. Armature core, motor using it, and its manufacturing method
JPWO2007114079A1 (en) * 2006-03-27 2009-08-13 ダイキン工業株式会社 Motor, motor manufacturing method and compressor
JP2008092735A (en) * 2006-10-04 2008-04-17 Nissan Motor Co Ltd Stator structure of axial gap type rotary electric machine
JP2008131683A (en) * 2006-11-16 2008-06-05 Fujitsu General Ltd Axial air gap type motor
JP2008245504A (en) * 2007-10-24 2008-10-09 Daikin Ind Ltd Manufacturing method of armature core, and armature core
US8710785B2 (en) 2007-12-18 2014-04-29 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Method of operating an electromechanical converter, a controller and a computer program product
US20100275660A1 (en) * 2009-04-30 2010-11-04 Samsung Electronics Co., Ltd. Motor, method of manufacturing the same, and washing machine having motor manufactured thereby
WO2012134114A2 (en) * 2011-03-25 2012-10-04 주식회사 아모텍 Amorphous divided-core stator and axial-gap-type motor using same
WO2012134114A3 (en) * 2011-03-25 2012-12-06 주식회사 아모텍 Amorphous divided-core stator and axial-gap-type motor using same
KR101217223B1 (en) * 2011-03-25 2012-12-31 주식회사 아모텍 Stator Having Division Type Amorphous Cores and Axial Gap Type Electric Motor Using the Same
CN103430428A (en) * 2011-03-25 2013-12-04 阿莫泰克有限公司 Amorphous divided-core stator and axial-gap-type motor using same
US9391499B2 (en) 2011-03-25 2016-07-12 Amotech Co., Ltd. Amorphous divided-core stator and axial-gap-type motor using same
KR101289289B1 (en) 2011-12-22 2013-07-24 주식회사 아모텍 Motor having one-body type stator core
WO2013094923A1 (en) * 2011-12-22 2013-06-27 주식회사 아모텍 Motor comprising integrated stator core
JP2013135541A (en) * 2011-12-27 2013-07-08 Hitachi Industrial Equipment Systems Co Ltd Axial gap rotary electric machine
WO2013114921A1 (en) * 2012-01-30 2013-08-08 株式会社日立産機システム Impeller system having axial gap rotor
JP2013155649A (en) * 2012-01-30 2013-08-15 Hitachi Industrial Equipment Systems Co Ltd Impeller system having axial gap rotor
WO2013180435A1 (en) * 2012-06-01 2013-12-05 주식회사 아모텍 Axial gap-type motor and method for manufacturing same
JP2014017915A (en) * 2012-07-06 2014-01-30 Hitachi Ltd Axial gap type rotary electric machine
KR101437546B1 (en) 2012-09-13 2014-09-04 현대모비스 주식회사 Stator assembly, axial flux permanent magnet motor and method for manufacturing stator
CN102969851A (en) * 2012-10-29 2013-03-13 常州工学院 Magnetic powder casting mold bilateral rotor motor
CN104283387A (en) * 2012-10-29 2015-01-14 常州工学院 Magnetic powder casting type bilateral rotor motor easy to manufacture
CN103795216A (en) * 2012-10-29 2014-05-14 常州工学院 Magnetic-powder casting-mold unilateral rotor motor
CN104283387B (en) * 2012-10-29 2017-01-11 常州工学院 Magnetic powder casting type bilateral rotor motor easy to manufacture
CN104300753B (en) * 2012-10-29 2017-02-01 常州工学院 Magnetic powder cast bilateral rotor motor high in working reliability
CN106416025A (en) * 2014-04-11 2017-02-15 株式会社日立产机系统 Axial air gap rotating electric machine
EP3131188A4 (en) * 2014-04-11 2018-03-14 Hitachi Industrial Equipment Systems Co., Ltd. Axial air gap rotating electric machine
US10530210B2 (en) 2014-04-11 2020-01-07 Hitachi Industrial Equipment Systems Co., Ltd. Axial air gap rotating electric machine

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