GB2089584B - Magnetic rotors for synchronous electric motors - Google Patents

Magnetic rotors for synchronous electric motors

Info

Publication number
GB2089584B
GB2089584B GB8135907A GB8135907A GB2089584B GB 2089584 B GB2089584 B GB 2089584B GB 8135907 A GB8135907 A GB 8135907A GB 8135907 A GB8135907 A GB 8135907A GB 2089584 B GB2089584 B GB 2089584B
Authority
GB
United Kingdom
Prior art keywords
electric motors
synchronous electric
magnetic rotors
rotors
magnetic
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.)
Expired
Application number
GB8135907A
Other versions
GB2089584A (en
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.)
Okuma Corp
Original Assignee
Okuma Machinery Works 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 Okuma Machinery Works Ltd filed Critical Okuma Machinery Works Ltd
Publication of GB2089584A publication Critical patent/GB2089584A/en
Application granted granted Critical
Publication of GB2089584B publication Critical patent/GB2089584B/en
Expired legal-status Critical Current

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
    • H02K1/278—Surface mounted magnets; Inset magnets
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
GB8135907A 1980-11-29 1981-11-27 Magnetic rotors for synchronous electric motors Expired GB2089584B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55168638A JPS5795169A (en) 1980-11-29 1980-11-29 Rotor for synchronous motor with permanent magnet

Publications (2)

Publication Number Publication Date
GB2089584A GB2089584A (en) 1982-06-23
GB2089584B true GB2089584B (en) 1985-06-05

Family

ID=15871743

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8135907A Expired GB2089584B (en) 1980-11-29 1981-11-27 Magnetic rotors for synchronous electric motors

Country Status (3)

Country Link
JP (1) JPS5795169A (en)
DE (1) DE3147102C2 (en)
GB (1) GB2089584B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105915011A (en) * 2016-06-27 2016-08-31 江西东江机电有限公司 Vacuum pump brushless motor of automobile brake system

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5992758A (en) * 1982-11-17 1984-05-29 Toshiba Corp Brushless motor
WO1990002433A1 (en) * 1988-08-19 1990-03-08 Nauchno-Proizvodstvennoe Obiedinenie 'magneton' Multipole rotor of electric machine
US5861696A (en) * 1996-09-04 1999-01-19 Quantum Corporation Methods and apparatus for improved DC motors and magnetic clutches
BR9702802A (en) * 1997-08-28 2000-02-15 Brasil Compressores Sa Rotor for electric motor.
GB2333906A (en) * 1998-01-30 1999-08-04 Aisin Seiki Austenitic/Martensitic rotor for a reluctance machine
KR100301517B1 (en) * 1999-07-23 2001-11-01 구자홍 Rotor for brushless d.c motor
GB0310639D0 (en) 2003-05-08 2003-06-11 Corac Group Plc Rotary electric machine
EP3451498A1 (en) * 2017-08-30 2019-03-06 Lakeview Innovation Ltd. Multipolar rotor with loaf-shaped permanent magnets

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1938162U (en) * 1966-03-10 1966-05-12 Heinz Ahlswede OXYD MAGNET RUNNER FOR OXYD RUNNER MOTORS.
JPS49111102A (en) * 1973-02-27 1974-10-23

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105915011A (en) * 2016-06-27 2016-08-31 江西东江机电有限公司 Vacuum pump brushless motor of automobile brake system

Also Published As

Publication number Publication date
JPS5795169A (en) 1982-06-12
DE3147102A1 (en) 1982-07-22
GB2089584A (en) 1982-06-23
DE3147102C2 (en) 1984-07-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921127