US20140169969A1 - Axial flow fan - Google Patents

Axial flow fan Download PDF

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Publication number
US20140169969A1
US20140169969A1 US14/106,920 US201314106920A US2014169969A1 US 20140169969 A1 US20140169969 A1 US 20140169969A1 US 201314106920 A US201314106920 A US 201314106920A US 2014169969 A1 US2014169969 A1 US 2014169969A1
Authority
US
United States
Prior art keywords
conductive pin
reduced diameter
diameter portion
film conductor
flow fan
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.)
Abandoned
Application number
US14/106,920
Other languages
English (en)
Inventor
Munenori Takakuwa
Mitsutaka Kubota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Denki Co Ltd
Original Assignee
Sanyo Denki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Denki Co Ltd filed Critical Sanyo Denki Co Ltd
Assigned to SANYO DENKI CO., LTD. reassignment SANYO DENKI CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KUBOTA, MITSUTAKA, TAKAKUWA, MUNENORI
Publication of US20140169969A1 publication Critical patent/US20140169969A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/068—Mechanical details of the pump control unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0693—Details or arrangements of the wiring

Definitions

  • the invention relates to an axial flow fan having conductive pins with an improved structure for electrically connecting a coil and a circuit board as well as holding a film conductor of a coil.
  • an outer rotor type of brushless motor is usually used as a rotation driving device for an impeller.
  • an armature having coils of a plurality of phases is used as a stator, and an exciter having a permanent magnet is provided as a rotor at an outer circumference of the stator.
  • a winding start end and a winding finish end of the coil of each phase are electrically connected to a circuit board through a conductive pin fixed to an insulator of a stator core.
  • a jumper wire connecting coils to each other to form the coils of respective phases is held by being wound around the conductive pin.
  • an axial flow fan in which front ends of a plurality of teeth are different in length in a circumferential direction and are formed unsymmetrically, and on the shorter side surface of the front end, a terminal holding portion with an implanted terminal pin is disposed in a close contact state.
  • a terminal of a coil is wound around one end of an end terminal, and the other end is electrically connected to a circuit board (for example, see Japanese Patent Laid-Open Publication No. 2011-182612).
  • a conventional axial flow fan has employed a columnar or quadrangular prism-shaped conductive pin.
  • the frictional force of the columnar conductive pin having no corner is small, and thus a film conductor wound around the conductive pin is easily shifted.
  • the film conductor wound around the conductive pin could not have been held depending on the wire diameter of the film conductor.
  • the film conductor having been wound up by an automatic winding machine is automatically cut, the film conductor is cut by utilizing the corner of the conductive pin. Therefore, in the columnar conductive pin, the film conductor cannot be automatically cut, and the film conductor should be cut manually.
  • the film conductor having been wound up by using the automatic winding machine can be automatically cut. Further, the film conductor wound around the conductive pin can be held by the frictional force of the corners of the conductive pin.
  • the quadrangular prism-shaped conductive pin have corners, if an unexpected load is applied to the conductive pin, the film conductor wound around the conductive pin may be broken by the corners of the conductive pin.
  • the present invention provides an axial flow fan having conductive pins, each of which can reliably hold a film conductor of a coil, is not less likely to be broken even if an unexpected load is applied to the film conductor, and can be used in automatic cutting of the film conductor having been wound up.
  • an axial flow fan according to the present invention is provided with a stator having coils of a plurality of phases and a rotor having a permanent magnet.
  • the axial flow fan has conductive pins, each of which is used for electrically connecting the coil and a circuit board and holding a jumper wire connecting the coils to each other.
  • one end is fixed to an electrical insulator covering a core stack of the stator, while the other end is electrically connected to the circuit board.
  • the conductive pin is a quadrangular prism pin as a basic configuration and has, in at least a part of a portion exposed from the electrical insulator, a reduced diameter portion in which no corners of the quadrangular prism pin exist.
  • the conductive pin is a quadrangular prism pin as a basic configuration and has, in at least a part of a portion exposed from an electrical insulator, a reduced diameter portion in which no corners of the quadrangular prism pin exist . Since no corners of the quadrangular prism pin exist in the reduced diameter portion, the film conductor is less likely to be broken even if an unexpected load is applied to a film conductor of a coil.
  • the film conductor wound around the conductive pin can be reliably held by the corners. Further, the film conductor having been wound up can be automatically cut by utilizing the corners of the exposed portion other than the reduced diameter portion of the conductive pin.
  • FIG. 1 is a cross-sectional view of an axial flow fan according to an embodiment of the present invention
  • FIG. 2 is a perspective view of a stator of the embodiment
  • FIG. 3 is a perspective view of a conductive pin of the embodiment
  • FIG. 4 is a perspective view of a state in which the conductive pin of the embodiment is fixed to an electrical insulator
  • FIG. 5 is a perspective view of a state in which a film conductor is wound around the conductive pin of the embodiment
  • FIG. 6A is a perspective view of a positional relationship of the conductive pins of the embodiment.
  • FIG. 6B is a view provided for explaining how the film conductor is wound around the conductive pin
  • FIG. 6C is a view provided for explaining how the film conductor is wound around the conductive pin.
  • FIG. 6D is a view provided for explaining how the film conductor is wound around the conductive pin.
  • a conductive pin is a quadrangular prism pin as a basic configuration and has, in at least a part of a portion exposed from the electrical insulator, a reduced diameter portion in which no corners of the quadrangular prism pin exist. According to the embodiment, it is possible to realize the axial flow fan having conductive pins, each of which can reliably hold a film conductor of a coil, is not less likely to be broken even if an unexpected load is applied to the film conductor, and can be used in automatic cutting of the film conductor having been wound up.
  • the basic shape of the conductive pin is a quadrangular prism having an inner angle of 90°, it may be a triangular prism having an inner angle of less than 90° or a polygonal shape whose at least one corner has an inner angle of not more than 90°.
  • a reduced diameter portion in the embodiment is a portion in which a maximum distance in a diameter direction of the conductive pin, other than the reduced diameter portion, is reduced and has a polygonal shape having an inner diameter more than 90° or a circular shape having no corners.
  • FIG. 1 is a cross-sectional view of the axial flow fan according to the embodiment.
  • FIG. 2 is a perspective view of a stator of the embodiment.
  • an axial flow fan 1 is a blower which sucks air from one end in the axial direction of a rotating shaft 10 by rotation of impellers 20 attached to the rotating shaft 10 , and discharges a fluid to the other end in the axial direction.
  • the axial flow fan 1 has a simple structure and such a feature that although the static pressure is small, the air volume is large.
  • the axial flow fan 1 is used for, for example, a cooling fan of an electronic device such as a server and a personal computer.
  • the axial flow fan 1 is provided with the impellers 20 attached to the rotating shaft 10 , a motor 30 as a rotation driving device for the impeller 20 , and a venturi casing (hereinafter referred to as “casing”) 40 surrounding the outer circumference in the diameter direction of the impeller 20 .
  • the impeller 20 has a cupped hub portion 21 at its central portion. Blades 22 are attached radially and integrally around the hub portion 21 . Each of the blades 22 is inclined with respect to the axial direction of the rotating shaft 10 .
  • the motor 30 is provided in the hub portion 21 .
  • the motor 30 is provided with an outer rotor 50 as an exciter having a permanent magnet 51 and an inner stator 60 as an armature around which coils 61 having a plurality of phases are wrapped.
  • the rotor 50 includes a rotor yoke 52 having a shape of a two stage cup, the rotating shaft 10 press-fitted into a fitting-in portion 53 at the center of the rotor yoke 52 , and the permanent magnet 51 .
  • the stator 60 includes core stacks 62 and coil 61 stored in slots 64 of the core stacks 62 .
  • the rotor yoke 52 is fitted into the hub portion 21 .
  • the permanent magnet 51 is fixed to the inner circumferential surface of the rotor yoke 52 .
  • the rotor yoke 52 has a function of closing magnetic field lines from the exciter and maximizing an electromagnetic induction effect of the permanent magnet 51 .
  • the rotor yoke 52 further has a function of preventing peripheral devices of the motor 30 from being affected by the electric field due to electromagnetic induction.
  • an iron-based magnetic material such as an SC material
  • SC material As a constituent material of the rotor yoke 52 , an iron-based magnetic material such as an SC material is used; however, the invention is not limited to the exemplified material.
  • the rotating shaft 10 is rotatably supported by a bearing 70 .
  • the bearing 70 is fixed to an inner surface of a cylindrical bearing supporting portion 71 .
  • the bearing supporting portion 71 is formed at the center of a base portion 73 .
  • a core stack 62 is fixed to an outer surface of the bearing supporting portion 71 .
  • the core stack 62 and the permanent magnet 51 of the rotor yoke 52 face each other with a gap therebetween.
  • the core stack 62 is formed by stacking a plurality of cross-ring shaped thin metal plates in a plate thickness direction.
  • a silicon steel plate is preferred in order to realize both the performance and the cost.
  • the metal plates of the core stack 62 are stacked while covering an insulating material such as varnish.
  • teeth portions 63 (see FIG. 2 ) as protrusions used for wrapping the coil 61 therearound are formed in the core stack 62 .
  • the slot 64 as a convex used for storing the coils 61 is formed between the teeth portions 63 by partitioning the teeth portions 63 .
  • the teeth portions 63 and the slot 64 are evenly arranged along the circumferential direction of the core stack 62 .
  • the teeth portions 63 and the slots 64 respectively provided at four portions are formed in the circumferential direction of the core stacks 62 ; however, the number of the phases of the coil 61 and each number of the teeth portions 63 and the slots 64 are not limited.
  • each of the slots 64 is covered with an electrical insulator 80 .
  • the periphery of the coil 61 wrapped around the teeth portions 63 is covered with the electrical insulator 80 .
  • the electrical insulator 80 a synthetic resin is employed, for example.
  • a circuit board 90 is supported on the base portion 73 (see FIG. 1 ).
  • a wiring pattern used for controlling the axial flow fan 1 is formed on the circuit board 90 .
  • Conductive pins 100 are fixed to the electrical insulator 80 around the coils 61 .
  • a portion of the electrical insulator 80 corresponding to the teeth portion is provided with a pin fixing portion 81 used for fixing the conductive pin 100 .
  • the pin fixing portion 81 is raised toward outside in the axial direction.
  • the pin fixing portions 81 of the embodiment are provided at three portions of the electrical insulator 80 corresponding to the teeth portions, the invention is not limited thereto.
  • FIG. 3 is a perspective view of the conductive pin of the embodiment.
  • FIG. 4 is a perspective view of a state in which the conductive pin of the embodiment is fixed to the electrical insulator.
  • FIG. 5 is a perspective view of a state in which the film conductor is wound around the conductive pin of the embodiment.
  • one end of the conductive pin 100 is fixed to the pin fixing portion 81 of the electrical insulator 80 .
  • the other end of the conductive pin 100 is inserted into a through-hole 91 of the circuit board 90 and electrically connected to the circuit board 90 by soldering 92 , or the like.
  • a metal material having an excellent conductivity such as copper, is used.
  • the conductive pin 100 is a quadrangular prism pin as a basic configuration.
  • the conductive pin 100 has, in at least a portion in the axial direction, a reduced diameter portion 120 in which no corners of the quadrangular prism pin exist. Namely, although the conductive pin 100 of the embodiment has, in an intermediate potion in the axial direction, the reduced diameter portion 120 in which the corners of the quadrangular prism pin are chipped off, the present invention is not limited thereto.
  • the conductive pin 100 may have the reduced diameter portion 120 in a multistage fashion.
  • the reduced diameter portion 120 of the embodiment is formed by mechanically crushing the corners of the quadrangular prism conductive pin 100 with a tool such as a caulking machine.
  • a method of the reduced diameter portion 120 formation in which the corners are chipped off not limited, and although the reduced diameter portion 120 may be formed by using other means such as cutting, the crushing processing is simple.
  • one end of the conductive pin 100 is fixed by being embedded in the pin fixing portion 81 of the electrical insulator 80 . While the conductive pin 100 is fixed to the electrical insulator 80 , the conductive pin 100 is provided along the axial direction of the rotating shaft 10 (see FIG. 1 ).
  • the reduced diameter portion 120 having no corners of the conductive pin 100 is disposed in at least a part of a portion 110 exposed from the pin fixing portion 81 of the electrical insulator 80 .
  • the reduced diameter portion 120 of the embodiment is positioned at a base end (root) of the portion 110 exposed from the electrical insulator 80 .
  • the reduced diameter portion 120 is positioned at the base end of the exposed portion 110 of the conductive pin 100 , all the embedding sides of the conductive pin 100 may be formed by the reduced diameter portions 120 . In order to prevent the conductive pin 100 from being slipped off from the electrical insulator 80 , it is preferable that the reduced diameter portion 120 is formed at the intermediate portion of the conductive pin 100 , as shown in FIG. 3 .
  • the film conductor 65 of the coil 61 is held by being wound around the other end of the conductive pin 100 .
  • Winding of the film conductor 65 of the coil 61 is started from an exposed portion, other than the reduced diameter portion of the exposed portion 110 of the conductive pin 100 , and finished at the reduced diameter portion 120 on the base end side.
  • winding of the film conductor 65 of the coil 61 is started from the reduced diameter portion 120 on the base end side of the conductive pin 100 and finished at a portion 130 other than the reduced diameter portion on the front end side.
  • a coated copper wire such as an enamel wire is used, for example.
  • the conductive pin 100 is inserted into the through-hole 91 of the circuit board 90 in such a state that the film conductor 65 of the coil 61 is wound around the conductive pin 100 concerned, and the conductive pin 100 is electrically connected by the soldering 92 , or the like.
  • the winding start end and the winding finish end of the film conductor 65 of the coil 61 of each phase are wound around the exposed portion 110 of the conductive pin 100 fixed to the electrical insulator 80 .
  • the conductive pin 100 around which the film conductor 65 is wound is inserted into the through-hole 91 of the circuit board 90 , and is electrically connected by the soldering 92 , or the like.
  • a transition portion of the film conductor 65 connecting the coils to each other to form the coils 61 of respective phases is held by being wound around the conductive pin 100 in the same manner as above.
  • the film conductor 65 is held by being wound around the exposed portion 110 of the conductive pin 100 . More specifically, the winding of the film conductor 65 is started from the portion 130 other than the reduced diameter portion on the front end side in the exposed portion 110 of the conductive pin 100 and finished at the reduced diameter portion 120 on the base end side. Alternatively, the winding of the film conductor 65 is started from the reduced diameter portion 120 on the base end side in the exposed portion 110 of the conductive pin 100 and finished at the portion 130 other than the reduced diameter portion on the front end side. Even when the film conductor 65 is wound in any one of the above procedures, both the property of the portion 130 , having corners 131 , other than the reduced diameter portion and the property of the reduced diameter portion 120 in which no corners 131 exist can be received.
  • FIG. 6A is a perspective view of a positional relationship of the conductive pins of the embodiment
  • FIGS. 6B to 6D are views provided for explaining how the film conductor is wound around the conductive pin.
  • the film conductor 65 is wound from the front end portion of a conductive pin 100 a toward the base end side.
  • the winding start portion of the film conductor 65 is the portion 130 other than the reduced diameter portion, and there are the corners 131 (see FIG. 4 ).
  • the film conductor 65 is wrapped around a teeth portion 63 of the core stack 62 to form the coil 61 .
  • the winding of the film conductor 65 is finished (see FIG. 4 ), so that the film conductor 65 is laid to the teeth portion 63 .
  • the film conductor 65 is wound around the next conductive pin 100 b, as shown in FIG. 6C .
  • the winding start position where the film conductor 65 laid from the teeth portion 63 in a preceding process is started to be wound around the conductive pin 100 b , is the reduced diameter portion 120 .
  • the film conductor 65 Upon completion of winding of the film conductor 65 up to the front end side of the conductive pin 100 b, the film conductor 65 is wound up to the base end of the conductive pin 100 b again. The film conductor 65 wound up to the base end side of the conductive pin 100 b is laid to the next teeth portion 63 to form the coil 61 .
  • the film conductor 65 Upon completion of the formation of the coils 61 in all the teeth portions 63 , the film conductor 65 is wound around a conductive pin 100 c, as shown in FIG. 6D .
  • the film conductor 65 is moved from the base end side of the conductive pin 100 c to the front end side and wound up to the front end, and the winding process is terminated. Since a transition portion from the teeth portion 63 in a preceding process as the winding start of the film conductor 65 is the reduced diameter portion 120 having no corners 131 , and the front end as the winding finish of the film conductor 65 is the portion 130 , having the corners 131 , other than the reduced diameter portion (see FIG. 4 ).
  • the conductive pin 100 is in a quadrangular prism shape as a basic configuration.
  • the conductive pin 100 has, in at least a portion of the exposed portion 110 exposed from the electrical insulator 80 of the conductive pin 100 , the reduced diameter portion 120 where no corners of the quadrangular prism exist.
  • the reduced diameter portion 120 is processed so that the corners are eliminated by crushing, for example. Since the reduced diameter portion 120 has no corners, even if an unexpected load is applied to the film conductor 65 of the coil 61 , the film conductor 65 wound around the conductive pin 100 is less likely to be broken.
  • the portion 130 other than the reduced diameter portion of the exposed portion 110 of the conductive pin 100 has a quadrangular prism shape having the corners 131 . Accordingly, the film conductor 65 wound around the conductive pin 100 can be reliably held by the corners 131 of the portion 130 other than the reduced diameter portion.
  • the reduced diameter portion 120 is positioned at the base end (root) of the exposed portion 110 of the conductive pin 100 . Accordingly, the film conductor 65 wound around the reduced diameter portion 120 of the exposed portion 110 is prevented from being shifted from the reduced diameter portion 120 to come out, because the portion 130 on the front end side other than the reduced diameter portion is enlarged to be larger than the reduced diameter portion 120 .
  • the film conductor 65 having been wound up can be automatically cut by using an automatic winding machine.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
US14/106,920 2012-12-18 2013-12-16 Axial flow fan Abandoned US20140169969A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-275998 2012-12-18
JP2012275998A JP2014121210A (ja) 2012-12-18 2012-12-18 軸流ファン

Publications (1)

Publication Number Publication Date
US20140169969A1 true US20140169969A1 (en) 2014-06-19

Family

ID=50911065

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/106,920 Abandoned US20140169969A1 (en) 2012-12-18 2013-12-16 Axial flow fan

Country Status (5)

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US (1) US20140169969A1 (ja)
JP (1) JP2014121210A (ja)
CN (1) CN103872828A (ja)
PH (1) PH12013000371A1 (ja)
TW (1) TW201431252A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI565195B (zh) * 2015-01-23 2017-01-01 Asia Vital Components Co Ltd 定子結構
US20200303990A1 (en) * 2019-03-19 2020-09-24 Sanyo Denki Co., Ltd. Molded structure of brushless fan motor and method for molding brushless fan motor
US20210140440A1 (en) * 2019-11-08 2021-05-13 Delta Electronics, Inc. Fan

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105119427B (zh) * 2015-08-24 2018-01-16 佛山市顺德区科霸菱电机有限公司 一种电机
WO2017175358A1 (ja) * 2016-04-07 2017-10-12 三菱電機株式会社 固定子および電動機
JP6843688B2 (ja) * 2017-04-20 2021-03-17 日立グローバルライフソリューションズ株式会社 電動送風機及びそれを搭載した電気掃除機
JP2019068570A (ja) * 2017-09-29 2019-04-25 日本電産株式会社 モータ、及び、ステータ

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US5240442A (en) * 1991-05-17 1993-08-31 Amp Incorporated Electrical connector with posts having improved tip geometry
US5635781A (en) * 1993-12-22 1997-06-03 Matsushita Electric Industrial Co., Ltd. Brushless motor with an improved connector terminal
US20080169713A1 (en) * 2007-01-11 2008-07-17 Nidec Corporation Resolver and manufacturing method of the same
US20090096304A1 (en) * 2007-10-12 2009-04-16 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. Mounting structure for fan motor
JP2009095175A (ja) * 2007-10-11 2009-04-30 Nidec Sankyo Corp 端子構造、モータ、およびモータの製造方法
US20090256438A1 (en) * 2008-04-15 2009-10-15 Asmo Co., Ltd. Stator, motor, and method of manufacturing stator
US7876008B2 (en) * 2006-08-31 2011-01-25 Nidec Corporation Fan and motor having multiple insulators with an axially protruding conductor pin

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JPS5818317U (ja) * 1981-07-25 1983-02-04 オムロン株式会社 コイル端子
JPH0667156B2 (ja) * 1986-07-21 1994-08-24 松下電器産業株式会社 無刷子電動機の固定子の製造方法
JP5707834B2 (ja) * 2010-10-04 2015-04-30 日本電産株式会社 ファン

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US5240442A (en) * 1991-05-17 1993-08-31 Amp Incorporated Electrical connector with posts having improved tip geometry
US5635781A (en) * 1993-12-22 1997-06-03 Matsushita Electric Industrial Co., Ltd. Brushless motor with an improved connector terminal
US7876008B2 (en) * 2006-08-31 2011-01-25 Nidec Corporation Fan and motor having multiple insulators with an axially protruding conductor pin
US20080169713A1 (en) * 2007-01-11 2008-07-17 Nidec Corporation Resolver and manufacturing method of the same
JP2009095175A (ja) * 2007-10-11 2009-04-30 Nidec Sankyo Corp 端子構造、モータ、およびモータの製造方法
US20090096304A1 (en) * 2007-10-12 2009-04-16 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. Mounting structure for fan motor
US20090256438A1 (en) * 2008-04-15 2009-10-15 Asmo Co., Ltd. Stator, motor, and method of manufacturing stator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI565195B (zh) * 2015-01-23 2017-01-01 Asia Vital Components Co Ltd 定子結構
US20200303990A1 (en) * 2019-03-19 2020-09-24 Sanyo Denki Co., Ltd. Molded structure of brushless fan motor and method for molding brushless fan motor
US11522410B2 (en) * 2019-03-19 2022-12-06 Sanyo Denki Co., Ltd. Molded structure of brushless fan motor and method for molding brushless fan motor
US20210140440A1 (en) * 2019-11-08 2021-05-13 Delta Electronics, Inc. Fan

Also Published As

Publication number Publication date
CN103872828A (zh) 2014-06-18
PH12013000371A1 (en) 2015-06-22
JP2014121210A (ja) 2014-06-30
TW201431252A (zh) 2014-08-01

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Owner name: SANYO DENKI CO., LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TAKAKUWA, MUNENORI;KUBOTA, MITSUTAKA;SIGNING DATES FROM 20131031 TO 20131101;REEL/FRAME:031785/0440

STCB Information on status: application discontinuation

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