JP2018033316A - 永久磁石を備えた同期モータ - Google Patents
永久磁石を備えた同期モータ Download PDFInfo
- Publication number
- JP2018033316A JP2018033316A JP2017228853A JP2017228853A JP2018033316A JP 2018033316 A JP2018033316 A JP 2018033316A JP 2017228853 A JP2017228853 A JP 2017228853A JP 2017228853 A JP2017228853 A JP 2017228853A JP 2018033316 A JP2018033316 A JP 2018033316A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- synchronous motor
- protrusion
- permanent magnet
- stator
- 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.)
- Pending
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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- 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
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- 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
- H02K1/2706—Inner rotors
-
- 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
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/47—Air-gap windings, i.e. iron-free windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Synchronous Machinery (AREA)
- Brushless Motors (AREA)
Abstract
Description
(n+1)E≦0.05P
ここで、Pはコイルが巻かれた2つのスロット間のピッチであり、Eはスロットの入口幅であり、nはコイル内に配置されたスロットの数である。
Claims (2)
- 円筒状のロータ(4)を具備するセンサレス同期モータであって、前記ロータ(4)が、巻き線(U,V,W)を具備する円筒状のステータの内側に配置されている、永久磁石を備えており、前記永久磁石が、前記ロータ(4)の側面の全体に亘って配置されており、前記ロータの前記側面の2つの軸方向端部には、軸方向に延在している突起が、前記巻き線(U,V,W)に面するように形成されている、前記センサレス同期モータにおいて、
前記ステータが、スロットレスステータとされ、
前記ロータ(4)が、前記ロータの極の組と同一の数量の突起(41)を有しており、
前記突起(41)が、前記ロータの中心に関して対称に配置されていることを特徴とするセンサレス同期モータ。 - 前記突起(41)が、接着又はネジによって固定されている前記ロータの材料とは相違する材料から形成されており、
前記突起(41)の材料が、例えばμメタルと同一の又はより高い透磁率を有していることを特徴とする請求項1に記載のセンサレス同期モータ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10195055.8A EP2466725B1 (en) | 2010-12-15 | 2010-12-15 | Synchronous motor with permanent magnets |
EP10195055.8 | 2010-12-15 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011273268A Division JP2012130245A (ja) | 2010-12-15 | 2011-12-14 | 永久磁石を備えた同期モータ |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019132799A Division JP2019198224A (ja) | 2010-12-15 | 2019-07-18 | 永久磁石を備えた同期モータ |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2018033316A true JP2018033316A (ja) | 2018-03-01 |
Family
ID=44070566
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011273268A Pending JP2012130245A (ja) | 2010-12-15 | 2011-12-14 | 永久磁石を備えた同期モータ |
JP2017228853A Pending JP2018033316A (ja) | 2010-12-15 | 2017-11-29 | 永久磁石を備えた同期モータ |
JP2019132799A Pending JP2019198224A (ja) | 2010-12-15 | 2019-07-18 | 永久磁石を備えた同期モータ |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011273268A Pending JP2012130245A (ja) | 2010-12-15 | 2011-12-14 | 永久磁石を備えた同期モータ |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019132799A Pending JP2019198224A (ja) | 2010-12-15 | 2019-07-18 | 永久磁石を備えた同期モータ |
Country Status (4)
Country | Link |
---|---|
US (1) | US9219388B2 (ja) |
EP (1) | EP2466725B1 (ja) |
JP (3) | JP2012130245A (ja) |
ES (1) | ES2524968T3 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018037455A1 (ja) * | 2016-08-22 | 2018-03-01 | 三菱電機株式会社 | コンシクエントポール型の回転子、電動機および空気調和機 |
JP7289717B2 (ja) * | 2019-05-13 | 2023-06-12 | 株式会社エクセディ | 回転電機 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003319583A (ja) * | 2002-04-17 | 2003-11-07 | Yaskawa Electric Corp | 同期モータ |
JP2006288185A (ja) * | 2005-04-04 | 2006-10-19 | Lg Electronics Inc | モータ |
JP2010172053A (ja) * | 2009-01-20 | 2010-08-05 | Yaskawa Electric Corp | スロットレスモータ |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2461296A (en) * | 1948-04-01 | 1949-02-08 | Gen Electric | Dynamoelectric machine core member |
US2739253A (en) * | 1953-01-30 | 1956-03-20 | Westinghouse Electric Corp | Permanent magnet rotor |
US4130769A (en) * | 1974-11-01 | 1978-12-19 | Canon Kabushiki Kaisha | Brushless DC motor |
US4868970A (en) * | 1985-03-08 | 1989-09-26 | Kolimorgen Corporation | Method of making an electric motor |
US4937485A (en) * | 1986-09-22 | 1990-06-26 | Hhk, Inc. | Coil/magnet structure for a brushless DC motor |
DE69735741T2 (de) * | 1996-02-23 | 2006-09-14 | Matsushita Electric Industrial Co., Ltd., Kadoma | Motor |
JPH09322452A (ja) * | 1996-05-24 | 1997-12-12 | Sankyo Seiki Mfg Co Ltd | 回転電機 |
EP0945966B1 (fr) | 1998-03-27 | 2005-08-10 | ISA Innovations SA | Moteur électrique |
KR20000009123A (ko) * | 1998-07-21 | 2000-02-15 | 윤종용 | 초고속 구동용 슬롯리스 모터 |
US6097784A (en) | 1998-09-30 | 2000-08-01 | Picker International, Inc. | 3D image reconstruction for helical partial cone beam data |
JP2000152534A (ja) * | 1998-11-16 | 2000-05-30 | Matsushita Electric Ind Co Ltd | 永久磁石電動機 |
JP3609649B2 (ja) * | 1999-06-29 | 2005-01-12 | 三洋電機株式会社 | ブラシレスdcモータ及びこのモータを用いた冷媒圧縮機 |
JP2004153886A (ja) * | 2002-10-29 | 2004-05-27 | Matsushita Electric Ind Co Ltd | 同期型モータ |
US20070001533A1 (en) * | 2005-06-30 | 2007-01-04 | Jansen Patrick L | System and method for protecting magnetic elements from demagnetization |
US7683518B2 (en) * | 2007-02-28 | 2010-03-23 | Panasonic Corporation | Motor |
US7999432B2 (en) * | 2007-08-17 | 2011-08-16 | Kura Laboratory Corporation | Field controllable rotating electric machine system with magnetic excitation part |
JP5394756B2 (ja) * | 2009-01-09 | 2014-01-22 | 三菱電機株式会社 | 永久磁石式回転電機の回転子 |
JP4685946B2 (ja) * | 2009-02-18 | 2011-05-18 | 三菱電機株式会社 | 永久磁石型回転電機の回転子およびその製造方法 |
US7994668B2 (en) * | 2009-05-18 | 2011-08-09 | General Electric Company | Cooling system for rotating machine |
-
2010
- 2010-12-15 EP EP10195055.8A patent/EP2466725B1/en active Active
- 2010-12-15 ES ES10195055.8T patent/ES2524968T3/es active Active
-
2011
- 2011-12-14 JP JP2011273268A patent/JP2012130245A/ja active Pending
- 2011-12-15 US US13/327,136 patent/US9219388B2/en active Active
-
2017
- 2017-11-29 JP JP2017228853A patent/JP2018033316A/ja active Pending
-
2019
- 2019-07-18 JP JP2019132799A patent/JP2019198224A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003319583A (ja) * | 2002-04-17 | 2003-11-07 | Yaskawa Electric Corp | 同期モータ |
JP2006288185A (ja) * | 2005-04-04 | 2006-10-19 | Lg Electronics Inc | モータ |
JP2010172053A (ja) * | 2009-01-20 | 2010-08-05 | Yaskawa Electric Corp | スロットレスモータ |
Also Published As
Publication number | Publication date |
---|---|
US9219388B2 (en) | 2015-12-22 |
EP2466725A1 (en) | 2012-06-20 |
JP2012130245A (ja) | 2012-07-05 |
JP2019198224A (ja) | 2019-11-14 |
EP2466725B1 (en) | 2014-09-03 |
US20120153764A1 (en) | 2012-06-21 |
ES2524968T3 (es) | 2014-12-16 |
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