JPS5795169A - Rotor for synchronous motor with permanent magnet - Google Patents

Rotor for synchronous motor with permanent magnet

Info

Publication number
JPS5795169A
JPS5795169A JP55168638A JP16863880A JPS5795169A JP S5795169 A JPS5795169 A JP S5795169A JP 55168638 A JP55168638 A JP 55168638A JP 16863880 A JP16863880 A JP 16863880A JP S5795169 A JPS5795169 A JP S5795169A
Authority
JP
Japan
Prior art keywords
rotor
permanent magnet
anisotropic
rotor shaft
synchronous motor
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
Application number
JP55168638A
Other languages
Japanese (ja)
Inventor
Yutaka Maeda
Osamu Nishio
Takaharu Toida
Kinya Hirata
Masayuki Nashiki
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 Tekkosho KK
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 Tekkosho KK, Okuma Machinery Works Ltd filed Critical Okuma Tekkosho KK
Priority to JP55168638A priority Critical patent/JPS5795169A/en
Priority to GB8135907A priority patent/GB2089584B/en
Priority to DE3147102A priority patent/DE3147102C2/en
Publication of JPS5795169A publication Critical patent/JPS5795169A/en
Pending 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)

Abstract

PURPOSE: To form the rotor with a small diameter and an excellent overload capacity by a method wherein the anisotropic direction of the cylindrical anisotropic permanent magnet, coupled to a rotor shaft, is selected specifically.
CONSTITUTION: The cylindrical anisotropic magnet 7 is installed on the rotor shaft 6 consisted of a magnetic substance, and the rotor is formed by having the anisotropic direction of the permanent magnet 7 in slightly opening parallel or in parallel from the electromagnetic center on the outer section of the rotor heating to the rotor shaft center point. Then, the permanent magnet is effectively aranged on all sections, excluding the rotor shaft 6, and at the same time, taking into consideration of the anisotropic direction, the magnetic flux can be lead out to the maximum capacity. Accordingly, the moment of inertia can be reduced by reducing the diameter of the rotor, the control of acceleration and deceleration can be performed excellently and the thickness of the permanent magnet can also be increased, thereby enabling to improve the overload capacity for the subject rotor.
COPYRIGHT: (C)1982,JPO&Japio
JP55168638A 1980-11-29 1980-11-29 Rotor for synchronous motor with permanent magnet Pending JPS5795169A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP55168638A JPS5795169A (en) 1980-11-29 1980-11-29 Rotor for synchronous motor with permanent magnet
GB8135907A GB2089584B (en) 1980-11-29 1981-11-27 Magnetic rotors for synchronous electric motors
DE3147102A DE3147102C2 (en) 1980-11-29 1981-11-27 Permanent magnetic rotor for synchronous motors

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 (1)

Publication Number Publication Date
JPS5795169A true JPS5795169A (en) 1982-06-12

Family

ID=15871743

Family Applications (1)

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

Country Status (3)

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

Cited By (2)

* 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
KR100301517B1 (en) * 1999-07-23 2001-11-01 구자홍 Rotor for brushless d.c motor

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB0310639D0 (en) 2003-05-08 2003-06-11 Corac Group Plc Rotary electric machine
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
EP3451498A1 (en) * 2017-08-30 2019-03-06 Lakeview Innovation Ltd. Multipolar rotor with loaf-shaped permanent magnets

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49111102A (en) * 1973-02-27 1974-10-23

Family Cites Families (1)

* 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.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49111102A (en) * 1973-02-27 1974-10-23

Cited By (2)

* 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
KR100301517B1 (en) * 1999-07-23 2001-11-01 구자홍 Rotor for brushless d.c motor

Also Published As

Publication number Publication date
DE3147102A1 (en) 1982-07-22
GB2089584A (en) 1982-06-23
DE3147102C2 (en) 1984-07-19
GB2089584B (en) 1985-06-05

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