FR2283572A1 - ROTOR WITH PERMANENT MAGNETS IN RARE-EARTHS FOR DYNAMO-ELECTRIC MACHINES AND PROCESS FOR MANUFACTURING THE DIT ROTOR - Google Patents

ROTOR WITH PERMANENT MAGNETS IN RARE-EARTHS FOR DYNAMO-ELECTRIC MACHINES AND PROCESS FOR MANUFACTURING THE DIT ROTOR

Info

Publication number
FR2283572A1
FR2283572A1 FR7526749A FR7526749A FR2283572A1 FR 2283572 A1 FR2283572 A1 FR 2283572A1 FR 7526749 A FR7526749 A FR 7526749A FR 7526749 A FR7526749 A FR 7526749A FR 2283572 A1 FR2283572 A1 FR 2283572A1
Authority
FR
France
Prior art keywords
rotor
dit
dynamo
earths
rare
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.)
Granted
Application number
FR7526749A
Other languages
French (fr)
Other versions
FR2283572B1 (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.)
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
Publication of FR2283572A1 publication Critical patent/FR2283572A1/en
Application granted granted Critical
Publication of FR2283572B1 publication Critical patent/FR2283572B1/fr
Granted 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—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03—Methods 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)
FR7526749A 1974-08-30 1975-09-01 ROTOR WITH PERMANENT MAGNETS IN RARE-EARTHS FOR DYNAMO-ELECTRIC MACHINES AND PROCESS FOR MANUFACTURING THE DIT ROTOR Granted FR2283572A1 (en)

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 (2)

Publication Number Publication Date
FR2283572A1 true FR2283572A1 (en) 1976-03-26
FR2283572B1 FR2283572B1 (en) 1978-04-07

Family

ID=27414199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7526749A Granted FR2283572A1 (en) 1974-08-30 1975-09-01 ROTOR WITH PERMANENT MAGNETS IN RARE-EARTHS FOR DYNAMO-ELECTRIC MACHINES AND PROCESS FOR MANUFACTURING THE DIT ROTOR

Country Status (8)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2537799A1 (en) * 1982-12-08 1984-06-15 Bosch Gmbh Robert
EP0381769A1 (en) * 1988-08-02 1990-08-16 Fanuc Ltd. Structure and method for fixing radial type rotor to output shaft of synchronous motor

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5846857A (en) * 1981-09-11 1983-03-18 Fanuc Ltd Manufacture of rotor for synchronous motor
JPS59230454A (en) * 1983-06-10 1984-12-25 Fanuc Ltd Manufacture of permanent magnet field rotor
US4504755A (en) * 1983-11-03 1985-03-12 Kollmorgen Technologies Corporation Rotor reluctance notch for cogging control
JPS62193537A (en) * 1986-02-17 1987-08-25 Fanuc Ltd Permanent field rotor
IT1294560B1 (en) * 1997-01-29 1999-04-12 Idm Srl ELECTRIC GENERATOR WITH INTERNAL ROTOR FOR SMALL ENDOTHERMAL MOTORS
JP2001204146A (en) * 1999-11-08 2001-07-27 Isuzu Motors Ltd Rotor of rotating machine and its fabrication
JP2001136690A (en) * 1999-11-10 2001-05-18 Isuzu Motors Ltd Rotor of rotating machine
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 (en) * 2009-07-29 2011-02-10 Sabinski, Joachim, Dr.-Ing. Permanent magnetic rotor with protected and sunk arranged, radially aligned permanent magnet with tangential orientation of the magnetic poles as an internal rotor design or external rotor design of rotating electrical machines and method for mounting these permanent magnet rotor
CN102315710B (en) * 2010-07-01 2014-03-26 京能新能源科技（上海）有限公司 Fixing structure of permanent magnet generator or motor permanent magnet
JP5888490B2 (en) * 2011-11-10 2016-03-22 日本電産株式会社 motor
JP6282795B2 (en) * 2011-11-10 2018-02-21 日本電産株式会社 motor
DE102021118832A1 (en) * 2021-07-21 2023-01-26 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Rotor for an electrical machine, electrical machine and method for operating an electrical machine
EP4220900A1 (en) * 2022-01-28 2023-08-02 Siemens Aktiengesellschaft Dynamo-electric rotary machine

Citations (2)

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

Patent Citations (2)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2537799A1 (en) * 1982-12-08 1984-06-15 Bosch Gmbh Robert
EP0381769A1 (en) * 1988-08-02 1990-08-16 Fanuc Ltd. Structure and method for fixing radial type rotor to output shaft of synchronous motor
EP0381769A4 (en) * 1988-08-02 1990-12-27 Fanuc Ltd Structure for fixing radial type rotor to output shaft of synchronous motor

Also Published As

Publication number Publication date
GB1503708A (en) 1978-03-15
IE43265B1 (en) 1981-01-28
DE2538320B2 (en) 1980-01-24
CA1035403A (en) 1978-07-25
DE2538320A1 (en) 1976-03-18
IT1044440B (en) 1980-03-20
JPS5150408A (en) 1976-05-04
CH589379A5 (en) 1977-06-30
FR2283572B1 (en) 1978-04-07
JPS576340B2 (en) 1982-02-04
IE43265L (en) 1976-02-29

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Legal Events

Date Code Title Description
ST Notification of lapse