WO2004030181A1 - アウタロータ型多極発電機 - Google Patents
アウタロータ型多極発電機 Download PDFInfo
- Publication number
- WO2004030181A1 WO2004030181A1 PCT/JP2003/012162 JP0312162W WO2004030181A1 WO 2004030181 A1 WO2004030181 A1 WO 2004030181A1 JP 0312162 W JP0312162 W JP 0312162W WO 2004030181 A1 WO2004030181 A1 WO 2004030181A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotor
- fixed
- coaxially
- yoke
- stay
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
- H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/2788—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
- H02K21/222—Flywheel magnetos
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
Definitions
- the present invention is directed to a stationary shaft attached to a fixed supporting portion, and a bottomed cylindrical shape coaxially fixed to an end of a drive shaft rotatably supported by the supporting portion and coaxially covering the stationary shaft.
- the present invention relates to an improvement of a rotor rotor type multipolar generator which includes a rotor having a magnet fixed to an inner periphery of a rotor yoke, and allows cooling air to flow in a fixed casing covering a stator and a mouth.
- a cooling fan separate from the rotor yoke is attached to a rotor yoke.
- the cooling air is circulated in the casing. Disclosure of the invention
- the present invention has been made in view of such circumstances, and aims to reduce the number of parts and improve the efficiency of assembly work, and to reduce the supporting rigidity of the mouth and to reduce the axial length of the entire generator. It is an object of the present invention to provide an autter rotor type multi-pole generator that has a relatively short length and allows more efficient cooling.
- the present invention provides a step which is attached to a fixed support, and wherein the switch is coaxially fixed to an end of a drive shaft rotatably supported by the support.
- An outer rotor having a rotor with a magnet fixed to the inner periphery of a bottomed cylindrical rotor yoke coaxially covering the housing, and allowing cooling air to flow through a fixed casing covering the stay and the rotor.
- a first feature of the multi-pole generator is that a plurality of radially extending blades are integrally provided at a closed end of the rotor yoke and a plurality of air intake holes are formed between the blades.
- a plurality of blades are integrally provided at the closed end of the rotor yoke with an intake hole interposed therebetween, so that the cooling fan is attached to the conventional one.
- the number of parts can be reduced and the efficiency of assembly work can be improved, and it is not necessary to secure a dedicated space for generating cooling air other than the rotor, and the length of the drive shaft can be set relatively large.
- the mouth yoke in addition to the configuration of the first aspect, includes a disk portion having a center portion fixed to an end of the drive shaft, and a ring portion coaxially surrounding the disk portion.
- An end wall member integrally formed with a plurality of wings connecting the disc portion and the ring portion, and formed by die force forming; and a cylindrical shape coaxially covering the stay.
- the ring member is constituted by a cylindrical member having one end fixed to the ring portion. According to such a structure, a plurality of blades can be formed precisely by die-casting the end wall member.
- FIG. 1 is a longitudinal sectional view of an auta rotor type multi-pole generator
- FIG. 2 is a perspective view of a mouth
- FIG. 3 is a front view of a rotor
- FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. 3
- FIG. 5 is a cross-sectional view taken along line 5-5 of FIG.
- this iron rotor type multipolar generator is, for example, an engine generator.
- a stay 8 attached to the engine body 6 via a hollow support portion 7, and a roaster 9 covering the stay 8, and the support portion 7 is rotated by itself.
- a rotor 9 is fixed to an end of a crankshaft 10 serving as a drive shaft that is arranged coaxially with the stay 8 through the shaft.
- the stay overnight 8 is provided with a stay overnight core 12 formed by laminating a plurality of ring-shaped core plates 11, 1 1,.
- a plurality of salient poles 13, 13 which are substantially T-shaped in a plane orthogonal to the axis of the stay core 12 are provided at regular intervals therebetween.
- the stay core 12 is covered with a synthetic resin pobin 14, and the pobin 14 is connected to the tip of each salient pole 13, 13, and both ends of the stay core 12. Injection molding is performed so that a part of the surface and the inner peripheral surface are exposed and the stay core 12 is covered. Moreover, the coils 15 are wound around the pobins 14 at the portions corresponding to the salient poles 13, 13, respectively.
- Through holes 16 are provided on the inner periphery of the stay core 12 at a plurality of locations spaced apart in the circumferential direction of the stay core 12, and each through hole 16 is provided with a through hole.
- the threaded ports 17 are screwed into the support 7 and tightened, so that the stay core 12 is coaxially fixed to the support 7.
- a casing 20 that covers the stay 8 and the rotor 9 is fixedly supported by the support portion 7.
- the rotor 9 has a plurality of magnets 22 fixed to the inner periphery of a cylindrical yoke 21 having a bottom and coaxially covering a stay 8. - evening closed end central portion of the yoke 2 1 is coaxially a solid wear on the end of the crankshaft 1 0.
- the rotor yoke 2 1 has one end an end wall member 2 3 which is die-cast molded by light alloy such Auminiumu, for example, the outer peripheral portion of a cylindrical shape covering the stearyl Isseki 8 coaxially the end wall member 2 3 by mild steel And a cylindrical member 24 to which a plurality of magnets 22 are fixed on the inner periphery.
- the end wall member 23 includes a disk portion 23 a having a central portion fixed to an end of the crankshaft 10, a ring portion 23 b coaxially surrounding the disk portion 23 a, and a disk portion 23. a and a plurality of wings 23 c connecting the ring portions 23 b are integrally formed. Are formed so as to connect radially between the disk portion 23a and the ring portion 23b, and the intake holes 25 arranged between the respective wings 23c are formed as end wall members 2. Formed into 3.
- the disc portion 23 a is provided with a hub 23 d partially accommodated in a concave portion 26 provided at the end of the support portion 7.
- An annular step 29 is formed.
- a tapered portion 10a fitted to the tapered hole 27 is provided coaxially, and the enlarged diameter head 30a is connected to the stepped portion 29.
- a flange portion 24 a protruding inward in the radial direction is provided at the end of the cylindrical member 24 opposite to the support portion 7, and a ring portion 2 3 b of the end wall member 23 is provided.
- the flange 24 a is pressed into the cylindrical member 24 such that the flange 24 a comes into contact with one end surface of the ring 23 b.
- a plurality of protrusions 31 protruding from one end face of the ring portion 23 b are provided at a plurality of positions in the circumferential direction of the ring portion 23 b, and a plurality of protrusions provided on the flange portion 24 a are provided.
- the projections 31 are inserted into the engagement holes 32, and are caulked so that the projections of the projections 31 from the engagement holes 32 engage the flanges 24a.
- a rolling caulking method is used in which a pressure is applied to the protrusions of the respective protrusions 31 while precessing in the axial direction to crush the protrusions.
- regulating protrusions 33 for determining the circumferential position of the plurality of magnets 22 are integrally provided at equal intervals in the circumferential direction. Inserted into the cylindrical member 24 until it comes into contact with the ring portion 23b while the positions of the restricting protrusions 33 are determined, and are fixed to the inner peripheral surface of the cylindrical member 24 by bonding or the like.
- grooves 34 extending in the axial direction are provided in portions corresponding to the magnets 22. A rod-shaped test piece (not shown) inserted into these grooves 34. By pressing the magnets 22, it can be confirmed whether or not the magnets 22 are securely fixed to the inner peripheral surface of the cylindrical member 24.
- a plurality of blades 23 b are integrally provided at a closed end of a rotor yoke 21 having a bottomed cylindrical shape with an intake hole 25 interposed therebetween.
- the number of parts can be reduced and the efficiency of assembly work can be improved as compared with the conventional cooling fan mounted.
- the rotor yoke 21 includes a disk portion 23 a having a center portion fixed to an end of the crankshaft 10, a ring portion 23 b coaxially surrounding the disk portion 23 a, and a disk portion 23 a and An end wall member 23 integrally formed with a plurality of wings 2 3 c... Connecting the ring portions 23 b and die-formed, and a cylindrical shape covering the stay 8 coaxially. It is constituted by a cylindrical member 24 having one end fixed to the ring portion 23b, and the plurality of blades 23c can be formed precisely by die-casting the end wall member.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/528,115 US7342333B2 (en) | 2002-09-25 | 2003-09-24 | Outer rotor type multipolar generator |
CN03822865.3A CN1685589B (zh) | 2002-09-25 | 2003-09-24 | 外转子型多极发电机 |
AU2003266580A AU2003266580A1 (en) | 2002-09-25 | 2003-09-24 | Outer rotor type multipolar generator |
EP03798462A EP1553683B1 (en) | 2002-09-25 | 2003-09-24 | Outer rotor type multipolar generator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-278480 | 2002-09-25 | ||
JP2002278480A JP2004120848A (ja) | 2002-09-25 | 2002-09-25 | アウタロータ型多極発電機 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004030181A1 true WO2004030181A1 (ja) | 2004-04-08 |
Family
ID=32040428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/012162 WO2004030181A1 (ja) | 2002-09-25 | 2003-09-24 | アウタロータ型多極発電機 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7342333B2 (ja) |
EP (1) | EP1553683B1 (ja) |
JP (1) | JP2004120848A (ja) |
CN (1) | CN1685589B (ja) |
AU (1) | AU2003266580A1 (ja) |
WO (1) | WO2004030181A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2465857A (en) * | 2008-12-03 | 2010-06-09 | Zhongshan Broad Ocean Motor Co | PMDC motor rotor and a method for producing the same |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004120848A (ja) * | 2002-09-25 | 2004-04-15 | Sawafuji Electric Co Ltd | アウタロータ型多極発電機 |
DE102006058064A1 (de) * | 2006-12-07 | 2008-06-19 | Ipgate Ag | Elektrische Drehfeldmaschine |
KR100986686B1 (ko) * | 2007-12-04 | 2010-10-11 | 엘지이노텍 주식회사 | 스핀들 모터 |
KR100955034B1 (ko) * | 2008-04-18 | 2010-04-28 | 씨엠아이 주식회사 | 아웃터 로터형 모터 및 이 구조를 적용한 아웃터 로터형인휠 모터 |
JP2009278751A (ja) * | 2008-05-14 | 2009-11-26 | Kokusan Denki Co Ltd | スタータジェネレータ |
CN101752935B (zh) * | 2008-12-03 | 2011-07-20 | 中山大洋电机股份有限公司 | 一种外转子电机的壳体结构及利用该壳体制造的转子部件 |
US8089189B2 (en) * | 2009-06-23 | 2012-01-03 | Hamilton Sundstrand Corporation | Rotor for permanent magnet electric machine |
IT1397780B1 (it) * | 2010-01-15 | 2013-01-24 | Gate Srl | Rotore per un motore elettrico del tipo a statore interno, in particolare un motore brushless a magneti permanenti |
CN101777810A (zh) * | 2010-03-31 | 2010-07-14 | 哈尔滨工业大学 | 高速永磁同步电机的自内冷转子 |
JP4730476B1 (ja) * | 2010-08-10 | 2011-07-20 | 株式会社安川電機 | 回転電機ユニット、発電機ユニット、風力発電システム、回転電機および発電機 |
US8760016B2 (en) * | 2011-07-29 | 2014-06-24 | Exelis Inc. | Electric machine with enhanced cooling |
JP5987331B2 (ja) * | 2012-02-02 | 2016-09-07 | 株式会社ジェイテクト | 電動オイルポンプ装置 |
DE102012106740A1 (de) * | 2012-07-25 | 2014-01-30 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Elektromaschine für ein Hybrid- oder Elektrofahrzeug |
DE102013204436A1 (de) * | 2013-03-14 | 2014-09-18 | Krones Ag | Antrieb für eine Transportvorrichtung, Satz von Antrieben und Verfahren zum Antreiben einer Transportvorrichtung |
JP6639883B2 (ja) * | 2015-02-23 | 2020-02-05 | 株式会社マキタ | 加工機及び電動モータ |
JP6059275B2 (ja) * | 2015-03-12 | 2017-01-11 | 本田技研工業株式会社 | アウタロータ型モータ |
CN109845079B (zh) * | 2016-10-12 | 2021-08-24 | 马勒电驱动日本株式会社 | 磁铁发电机 |
CN108725769A (zh) * | 2017-04-19 | 2018-11-02 | 深圳市道通智能航空技术有限公司 | 一种电机散热件、电机及飞行器 |
KR102371384B1 (ko) * | 2017-08-03 | 2022-03-07 | 엘지이노텍 주식회사 | 드론용 모터 |
US10256688B1 (en) * | 2017-10-10 | 2019-04-09 | Zero E Technologies, Llc | Electric machine rotor cooling systems and methods |
WO2019087350A1 (ja) * | 2017-11-02 | 2019-05-09 | 株式会社ミツバ | アウターロータ型回転電機 |
US11283315B2 (en) * | 2018-03-14 | 2022-03-22 | Accelerated Systems Inc. | Devices to be used as magnets |
GB201808132D0 (en) * | 2018-05-18 | 2018-07-11 | Electronica Products Ltd | Electrical Machine |
WO2020144492A1 (en) * | 2019-01-07 | 2020-07-16 | Roohian Ghasem | A combined cycle generator with a 100% efficiency |
DE102019104650A1 (de) * | 2019-02-25 | 2020-08-27 | Webasto SE | Antriebsvorrichtung für Fahrzeug-Dachkomponenten |
CN113615054A (zh) * | 2019-03-29 | 2021-11-05 | 本田技研工业株式会社 | 外转子型马达 |
EP3731376A1 (en) | 2019-04-24 | 2020-10-28 | Black & Decker Inc. | Outer rotor brushless motor stator mount |
US11811268B2 (en) * | 2021-04-06 | 2023-11-07 | Hamilton Sundstrand Corporation | Aircraft electric motor |
US11851196B2 (en) | 2021-04-06 | 2023-12-26 | Hamilton Sundstrand Corporation | Aircraft electric motor |
US11646633B2 (en) * | 2021-04-06 | 2023-05-09 | Hamilton Sundstrand Corporation | Aircraft electric motor |
KR102654663B1 (ko) * | 2021-09-29 | 2024-04-05 | 엘지전자 주식회사 | 외전형 모터 |
KR102596385B1 (ko) * | 2021-10-14 | 2023-11-01 | 엘지전자 주식회사 | 드론용 모터 및 이를 구비한 드론 |
EP4181353A1 (en) * | 2021-11-10 | 2023-05-17 | Hamilton Sundstrand Corporation | Composite magnet carrier |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001339925A (ja) * | 2000-05-30 | 2001-12-07 | Honda Motor Co Ltd | アウターロータ型モータ・ジェネレータ |
US20020053838A1 (en) * | 2000-05-30 | 2002-05-09 | Kazuma Okuda | Outer rotor type motor / generator |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2536222B1 (fr) * | 1982-11-15 | 1985-10-18 | Villeger Marcel | Alternateur annulaire |
CN1029343C (zh) * | 1991-11-13 | 1995-07-12 | 精工爱普生株式会社 | 无刷直流电机 |
DE19513134A1 (de) | 1995-04-07 | 1996-10-10 | Aeg Kleinmotoren Gmbh | Elektrische Maschine, insbesondere ein Dauermagnetgenerator |
JPH0993849A (ja) | 1995-09-20 | 1997-04-04 | Sawafuji Electric Co Ltd | アウタロータ型多極発電機 |
JP2004120848A (ja) * | 2002-09-25 | 2004-04-15 | Sawafuji Electric Co Ltd | アウタロータ型多極発電機 |
-
2002
- 2002-09-25 JP JP2002278480A patent/JP2004120848A/ja active Pending
-
2003
- 2003-09-24 AU AU2003266580A patent/AU2003266580A1/en not_active Abandoned
- 2003-09-24 US US10/528,115 patent/US7342333B2/en not_active Expired - Fee Related
- 2003-09-24 WO PCT/JP2003/012162 patent/WO2004030181A1/ja active IP Right Grant
- 2003-09-24 EP EP03798462A patent/EP1553683B1/en not_active Expired - Lifetime
- 2003-09-24 CN CN03822865.3A patent/CN1685589B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001339925A (ja) * | 2000-05-30 | 2001-12-07 | Honda Motor Co Ltd | アウターロータ型モータ・ジェネレータ |
US20020053838A1 (en) * | 2000-05-30 | 2002-05-09 | Kazuma Okuda | Outer rotor type motor / generator |
Non-Patent Citations (1)
Title |
---|
See also references of EP1553683A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2465857A (en) * | 2008-12-03 | 2010-06-09 | Zhongshan Broad Ocean Motor Co | PMDC motor rotor and a method for producing the same |
GB2465857B (en) * | 2008-12-03 | 2013-05-15 | Zhongshan Broad Ocean Motor Co | Rotor for a direct current drive motor and a method for producing the same |
Also Published As
Publication number | Publication date |
---|---|
CN1685589A (zh) | 2005-10-19 |
AU2003266580A1 (en) | 2004-04-19 |
CN1685589B (zh) | 2010-05-12 |
EP1553683B1 (en) | 2008-08-27 |
US20060250034A1 (en) | 2006-11-09 |
JP2004120848A (ja) | 2004-04-15 |
EP1553683A4 (en) | 2006-09-13 |
US7342333B2 (en) | 2008-03-11 |
EP1553683A1 (en) | 2005-07-13 |
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