CA1035403A - Rare earth permanent magnet rotor and method of manufacturing same - Google Patents

Rare earth permanent magnet rotor and method of manufacturing same

Info

Publication number
CA1035403A
CA1035403A CA234,456A CA234456A CA1035403A CA 1035403 A CA1035403 A CA 1035403A CA 234456 A CA234456 A CA 234456A CA 1035403 A CA1035403 A CA 1035403A
Authority
CA
Canada
Prior art keywords
permanent magnet
rare earth
magnet rotor
earth permanent
manufacturing same
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
CA234,456A
Other languages
English (en)
French (fr)
Other versions
CA234456S (en
Inventor
Samuel Noodleman
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.)
Kollmorgen Corp
Original Assignee
Kollmorgen Corp
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
Priority claimed from US05/502,213 external-priority patent/US3937993A/en
Priority claimed from US05/576,125 external-priority patent/US3991331A/en
Priority claimed from US05/586,909 external-priority patent/US3979821A/en
Application filed by Kollmorgen Corp filed Critical Kollmorgen Corp
Priority to CA297,287A priority Critical patent/CA1046568A/en
Application granted granted Critical
Publication of CA1035403A publication Critical patent/CA1035403A/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
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
    • H02K13/006—Structural associations of commutators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K25/00—DC interrupter motors or generators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Dc Machiner (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
CA234,456A 1974-08-30 1975-08-29 Rare earth permanent magnet rotor and method of manufacturing same Expired CA1035403A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA297,287A CA1046568A (en) 1974-08-30 1978-02-20 Switching apparatus for a machine responsive to a source of dc power

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/502,213 US3937993A (en) 1974-05-20 1974-08-30 Commutating structure for DC machines
US05/576,125 US3991331A (en) 1973-07-30 1975-05-09 Commutating structure for DC machines
US05/586,909 US3979821A (en) 1975-05-09 1975-06-16 Method of manufacturing rare earth permanent magnet rotor

Publications (1)

Publication Number Publication Date
CA1035403A true CA1035403A (en) 1978-07-25

Family

ID=27414199

Family Applications (1)

Application Number Title Priority Date Filing Date
CA234,456A Expired CA1035403A (en) 1974-08-30 1975-08-29 Rare earth permanent magnet rotor and method of manufacturing same

Country Status (8)

Country Link
JP (1) JPS576340B2 (enrdf_load_stackoverflow)
CA (1) CA1035403A (enrdf_load_stackoverflow)
CH (1) CH589379A5 (enrdf_load_stackoverflow)
DE (1) DE2538320B2 (enrdf_load_stackoverflow)
FR (1) FR2283572A1 (enrdf_load_stackoverflow)
GB (1) GB1503708A (enrdf_load_stackoverflow)
IE (1) IE43265B1 (enrdf_load_stackoverflow)
IT (1) IT1044440B (enrdf_load_stackoverflow)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5846857A (ja) * 1981-09-11 1983-03-18 Fanuc Ltd 同期モ−タ用ロ−タの製造方法
DE3245400A1 (de) * 1982-12-08 1984-06-14 Robert Bosch Gmbh, 7000 Stuttgart Permanenterregter generator fuer fahrzeuge
JPS59230454A (ja) * 1983-06-10 1984-12-25 Fanuc Ltd 永久磁石界磁回転子の製造方法
US4504755A (en) * 1983-11-03 1985-03-12 Kollmorgen Technologies Corporation Rotor reluctance notch for cogging control
JPS62193537A (ja) * 1986-02-17 1987-08-25 Fanuc Ltd 永久界磁回転子
JP2574007B2 (ja) * 1988-08-02 1997-01-22 ファナック株式会社 同期電動機のロータ
IT1294560B1 (it) * 1997-01-29 1999-04-12 Idm Srl Generatore elettrico con rotore interno per piccoli motori endotermici
JP2001204146A (ja) 1999-11-08 2001-07-27 Isuzu Motors Ltd 回転機のロータ及びその製作方法
JP2001136690A (ja) 1999-11-10 2001-05-18 Isuzu Motors Ltd 回転機のロータ
EP1420500A1 (en) 2002-11-15 2004-05-19 Minebea Co., Ltd. Rotor assembly for an electrical machine
EP1420499B1 (en) * 2002-11-15 2006-06-14 Minebea Co., Ltd. Rotor with embedded permanent magnets
DE102009026288A1 (de) * 2009-07-29 2011-02-10 Sabinski, Joachim, Dr.-Ing. Permanentmagnetläufer mit geschützt und versenkt angeordneten, radial ausgerichteten Permanentmagneten bei tangentialer Ausrichtung der Magnetpole als Innenläuferausführung oder Außenläuferausführung rotierender elektrischer Maschinen und Verfahren zur Montage dieser Permanentmagnetläufer
CN102315710B (zh) * 2010-07-01 2014-03-26 京能新能源科技（上海）有限公司 永磁发电机或电动机永磁体固定结构
JP6282795B2 (ja) * 2011-11-10 2018-02-21 日本電産株式会社 モータ
JP5888490B2 (ja) * 2011-11-10 2016-03-22 日本電産株式会社 モータ
DE102021118832A1 (de) * 2021-07-21 2023-01-26 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Rotor für eine elektrische Maschine, elektrische Maschine und Verfahren zum Betreiben einer elektrischen Maschine
EP4220900A1 (de) * 2022-01-28 2023-08-02 Siemens Aktiengesellschaft Dynamoelektrische rotatorische maschine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1272067A (fr) * 1960-07-19 1961-09-22 Comp Generale Electricite Rotor d'alternateur
US3768054A (en) * 1972-04-03 1973-10-23 Gen Electric Low flux leakage magnet construction

Also Published As

Publication number Publication date
IE43265B1 (en) 1981-01-28
IT1044440B (it) 1980-03-20
GB1503708A (en) 1978-03-15
DE2538320A1 (de) 1976-03-18
FR2283572A1 (fr) 1976-03-26
CH589379A5 (enrdf_load_stackoverflow) 1977-06-30
JPS5150408A (enrdf_load_stackoverflow) 1976-05-04
DE2538320B2 (de) 1980-01-24
FR2283572B1 (enrdf_load_stackoverflow) 1978-04-07
IE43265L (en) 1976-02-29
JPS576340B2 (enrdf_load_stackoverflow) 1982-02-04

Similar Documents

Publication Publication Date Title
CA1035403A (en) Rare earth permanent magnet rotor and method of manufacturing same
CA1004274A (en) Permanent magnet hermetic synchronous motor
CA1030585A (en) High efficiency induction motor with multi-cage circuit rotor and method of making same
CA1000773A (en) Permanent magnet rotor for a synchronous motor and method of making same
JPS5357492A (en) Anisotropic permanent magnet alloy and method of manufacture thereof
CA921095A (en) Synchronous reluctance motors and method of starting
JPS5654015A (en) Method of manufacturing anisotropic permanent magnet
CA932247A (en) Method of manufacturing a permanent magnet
JPS52126795A (en) Method of manufacturing oxide sintered permanent magnet
CA1036212A (en) Bonding agent for cobalt-rare earth alloy magnets and composite
CA1002573A (en) Permanent magnet motor and method of assembling same
AU473533B2 (en) METHOD OF MAKING PERMANENT MAGNETS OF Mn-ALC ALLOY
JPS5655013A (en) Method of manufacturing permanent magnet
JPS52102595A (en) Method of manufacturing rare earth cobalt magnet
CA933344A (en) Magnetically-anisotropic permanent magnets and method of making same
JPS5339500A (en) Method of manufacturing permanent magnet composition
SU584398A1 (ru) Способ изготовлени роторов с посто нными магнитами
JPS52118298A (en) Permanent magnet and method of manufacture thereof
JPS538047A (en) Method of fabricating magnetron sintered permanent magnet
CA1036213A (en) Method for producing large and/or complex permanent magnet structures
JPS53899A (en) Method of machining rare earth magnet
JPS5235719A (en) Method of manufacturing permanent magnets with magnetic anisotropy
CA890350A (en) Permanent magnet materials having superior magnetic characteristics and method
CA842178A (en) Method of manufacturing anisotropic permanent magnets and magnets thus manufactured
CA791853A (en) Permanent holding magnet and method of making same