WO2008152957A1 - 電動ポンプ用ロータ及び電動ポンプ - Google Patents

電動ポンプ用ロータ及び電動ポンプ Download PDF

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Publication number
WO2008152957A1
WO2008152957A1 PCT/JP2008/060275 JP2008060275W WO2008152957A1 WO 2008152957 A1 WO2008152957 A1 WO 2008152957A1 JP 2008060275 W JP2008060275 W JP 2008060275W WO 2008152957 A1 WO2008152957 A1 WO 2008152957A1
Authority
WO
WIPO (PCT)
Prior art keywords
electric pump
magnet unit
rotor
magnetism
circumferential direction
Prior art date
Application number
PCT/JP2008/060275
Other languages
English (en)
French (fr)
Inventor
Motohisa Ishiguro
Naoki Kamiya
Takahiro Araki
Katsumi Nakai
Original Assignee
Aisin Seiki Kabushiki Kaisha
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 Aisin Seiki Kabushiki Kaisha filed Critical Aisin Seiki Kabushiki Kaisha
Priority to EP08765088A priority Critical patent/EP2124316A4/en
Priority to US12/531,323 priority patent/US20100098565A1/en
Publication of WO2008152957A1 publication Critical patent/WO2008152957A1/ja

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
    • H02K1/2726—Inner 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
    • H02K1/2733—Annular magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Abstract

　磁石部の形成を容易に行うことができながら、磁石部の重量を低減できる電動ポンプ用ロータの提供。リング状に形成されてＮ極とＳ極とが周方向に交互に現出するように極異方配向された磁石部を備え、磁石部の内周部が、磁石部の周方向において磁気が集中する磁気集中部位に角部を位置させた多角形に形成されている。
PCT/JP2008/060275 2007-06-12 2008-06-04 電動ポンプ用ロータ及び電動ポンプ WO2008152957A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08765088A EP2124316A4 (en) 2007-06-12 2008-06-04 ROTOR FOR AN ELECTRIC PUMP AND ELECTRIC PUMP
US12/531,323 US20100098565A1 (en) 2007-06-12 2008-06-04 Electric pump rotor and electric pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007155391A JP5039439B2 (ja) 2007-06-12 2007-06-12 電動ポンプ用ロータ
JP2007-155391 2007-06-12

Publications (1)

Publication Number Publication Date
WO2008152957A1 true WO2008152957A1 (ja) 2008-12-18

Family

ID=40129563

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/060275 WO2008152957A1 (ja) 2007-06-12 2008-06-04 電動ポンプ用ロータ及び電動ポンプ

Country Status (5)

Country Link
US (1) US20100098565A1 (ja)
EP (1) EP2124316A4 (ja)
JP (1) JP5039439B2 (ja)
CN (1) CN101632212A (ja)
WO (1) WO2008152957A1 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI373903B (en) * 2008-09-23 2012-10-01 Sunonwealth Electr Mach Ind Co Inner-rotor type fan
JP2011239546A (ja) * 2010-05-10 2011-11-24 Makita Corp Ｄｃブラシレスモータ
JP2014180146A (ja) * 2013-03-15 2014-09-25 Hitachi Automotive Systems Ltd ロータ構造および電動流体ポンプ
JP6459536B2 (ja) * 2015-01-19 2019-01-30 株式会社デンソー モータ
US10673290B2 (en) * 2015-02-26 2020-06-02 American Axle & Manufacturing, Inc. Brushless DC electric motor
JP6737034B2 (ja) * 2015-08-26 2020-08-05 日立金属株式会社 表面磁石型回転子
DE102017114683A1 (de) * 2017-02-23 2018-08-23 Ebm-Papst Landshut Gmbh Rotor eines Elektromotors
JP6907707B2 (ja) * 2017-05-26 2021-07-21 株式会社デンソー ロータの製造方法
JP2020031480A (ja) * 2018-08-22 2020-02-27 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
CN109861422A (zh) * 2018-12-04 2019-06-07 上海大学 一种应用于高速永磁电机的新型转子
JP7327947B2 (ja) * 2019-02-25 2023-08-16 ニデックプレシジョン株式会社 モータ
JP7131457B2 (ja) * 2019-03-28 2022-09-06 三菱電機株式会社 電動機の製造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003124019A (ja) 2001-10-18 2003-04-25 Yaskawa Electric Corp 永久磁石とそれを用いた回転形モータのロータ
JP2004274859A (ja) * 2003-03-07 2004-09-30 Asmo Co Ltd ロータ及びブラシレスモータ
JP2005237047A (ja) 2004-02-17 2005-09-02 Yaskawa Electric Corp ボンド磁石一体成形ロータ
JP2007032370A (ja) 2005-07-25 2007-02-08 Aisin Seiki Co Ltd 電動ポンプ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0824413B2 (ja) * 1985-06-05 1996-03-06 株式会社日立製作所 永久磁石を有する回転子
US6204584B1 (en) * 2000-01-18 2001-03-20 Cleveland Motion Controls, Inc. Low cogging torque brushless motor rotor
DE60306594T2 (de) * 2002-09-03 2006-11-16 Emerson Appliance Motors Europe S.R.L., Moncalieri Kreiselpumpe für Haushaltsgeräte
JP4701641B2 (ja) * 2004-07-02 2011-06-15 三菱電機株式会社 複合ボンド磁石、複合ボンド磁石の製造方法、複合ボンド磁石を搭載したｄｃブラシレスモータの回転子。
US7679252B2 (en) * 2005-04-13 2010-03-16 Aisin Seiki Kabushiki Kaisha Magnet embedded motor, rotor unit, and method for manufacturing rotor unit
US20080197731A1 (en) * 2007-02-15 2008-08-21 Nidec Corporation Brushless motor and pump mounted with brushless motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003124019A (ja) 2001-10-18 2003-04-25 Yaskawa Electric Corp 永久磁石とそれを用いた回転形モータのロータ
JP2004274859A (ja) * 2003-03-07 2004-09-30 Asmo Co Ltd ロータ及びブラシレスモータ
JP2005237047A (ja) 2004-02-17 2005-09-02 Yaskawa Electric Corp ボンド磁石一体成形ロータ
JP2007032370A (ja) 2005-07-25 2007-02-08 Aisin Seiki Co Ltd 電動ポンプ

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2124316A4

Also Published As

Publication number Publication date
US20100098565A1 (en) 2010-04-22
EP2124316A1 (en) 2009-11-25
CN101632212A (zh) 2010-01-20
JP2008312284A (ja) 2008-12-25
EP2124316A4 (en) 2011-04-27
JP5039439B2 (ja) 2012-10-03

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