FR2266969A1 - Self-synchronising asynchronous motor - has pairs of inner rotor magnets shunted by rotor during starting - Google Patents

Self-synchronising asynchronous motor - has pairs of inner rotor magnets shunted by rotor during starting

Info

Publication number
FR2266969A1
FR2266969A1 FR7412118A FR7412118A FR2266969A1 FR 2266969 A1 FR2266969 A1 FR 2266969A1 FR 7412118 A FR7412118 A FR 7412118A FR 7412118 A FR7412118 A FR 7412118A FR 2266969 A1 FR2266969 A1 FR 2266969A1
Authority
FR
France
Prior art keywords
rotor
pairs
magnets
synchronising
shunted
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.)
Withdrawn
Application number
FR7412118A
Other languages
French (fr)
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.)
Compagnie Electro Mecanique SA
Original Assignee
Compagnie Electro Mecanique SA
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 Compagnie Electro Mecanique SA filed Critical Compagnie Electro Mecanique SA
Priority to FR7412118A priority Critical patent/FR2266969A1/en
Publication of FR2266969A1 publication Critical patent/FR2266969A1/en
Withdrawn legal-status Critical Current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
    • H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/46—Motors having additional short-circuited winding for starting as an asynchronous motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

A non-magnetic shaft (3) carries a rotor with peripheral slots (14) for bars (15) of a short circuited cage winding. On the middle part of the rotor is an even number of pairs of housings for magnets distributed around the shaft of the rotor so as to produce, near to the rotor periphery, a number of magnetic pole pairs of alternate polarity. The magnets in the rotor have their pole faces parallel to the symmetrical radial plane of their respective housings, so that the pole faces of the same number of two neighbouring magnets are turned towards each other. The side of each magnet housing, which is farthest from the rotor shaft, is separated from the rotor peripheral slots above the housing by a rotor zone which partially shunts two corresponding poles of the magnet at the moment of asynchronous starting.
FR7412118A 1974-04-05 1974-04-05 Self-synchronising asynchronous motor - has pairs of inner rotor magnets shunted by rotor during starting Withdrawn FR2266969A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7412118A FR2266969A1 (en) 1974-04-05 1974-04-05 Self-synchronising asynchronous motor - has pairs of inner rotor magnets shunted by rotor during starting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7412118A FR2266969A1 (en) 1974-04-05 1974-04-05 Self-synchronising asynchronous motor - has pairs of inner rotor magnets shunted by rotor during starting

Publications (1)

Publication Number Publication Date
FR2266969A1 true FR2266969A1 (en) 1975-10-31

Family

ID=9137343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7412118A Withdrawn FR2266969A1 (en) 1974-04-05 1974-04-05 Self-synchronising asynchronous motor - has pairs of inner rotor magnets shunted by rotor during starting

Country Status (1)

Country Link
FR (1) FR2266969A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0327470A1 (en) * 1988-02-05 1989-08-09 Louis Banon Rotor of a rotary electric machine with permanent magnets of the flux concentration type
EP0438594A1 (en) * 1989-06-26 1991-07-31 Fanuc Ltd. Rotor structure of the radial type
WO2007098754A1 (en) * 2006-03-02 2007-09-07 Danfoss Compressors Gmbh Rotor with a thermal barrier and engine comprising one such rotor
EP2509199A1 (en) * 2011-04-08 2012-10-10 Grundfos Management A/S Rotor
JP2014045609A (en) * 2012-08-28 2014-03-13 Mitsubishi Electric Corp Rotor of rotary electric machine

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0327470A1 (en) * 1988-02-05 1989-08-09 Louis Banon Rotor of a rotary electric machine with permanent magnets of the flux concentration type
FR2627030A1 (en) * 1988-02-05 1989-08-11 Banon Louis ROTOR OF ROTATING ELECTRIC MACHINE WITH PERMANENT MAGNETS OF FLOW CONCENTRATION TYPE
EP0438594A1 (en) * 1989-06-26 1991-07-31 Fanuc Ltd. Rotor structure of the radial type
EP0438594A4 (en) * 1989-06-26 1991-12-04 Fanuc Ltd. Rotor structure of the radial type
US5157297A (en) * 1989-06-26 1992-10-20 Fanuc, Ltd. Structure of radial type rotor
WO2007098754A1 (en) * 2006-03-02 2007-09-07 Danfoss Compressors Gmbh Rotor with a thermal barrier and engine comprising one such rotor
EP2509199A1 (en) * 2011-04-08 2012-10-10 Grundfos Management A/S Rotor
WO2012136576A1 (en) * 2011-04-08 2012-10-11 Grundfos Management A/S Rotor
CN103460573A (en) * 2011-04-08 2013-12-18 格伦德福斯管理联合股份公司 Rotor
CN103460573B (en) * 2011-04-08 2016-08-24 格伦德福斯管理联合股份公司 Rotor and the pump installation with the across-the-line starting motor including this rotor
JP2014045609A (en) * 2012-08-28 2014-03-13 Mitsubishi Electric Corp Rotor of rotary electric machine

Similar Documents

Publication Publication Date Title
GB1485305A (en) Dynamoelectric machines
GB1489055A (en) Magnetic coupling
GB1028712A (en) A dynamo electric machine
ES337345A1 (en) An Electric Machine having Permanent Magnets Mounted in the Rotor between its Pole Segments
FR2266969A1 (en) Self-synchronising asynchronous motor - has pairs of inner rotor magnets shunted by rotor during starting
GB1324147A (en) Permanent magnet rotor for synchronous electric machine
NL6913200A (en)
GB1112753A (en) Improvements in or relating to a synchronous electric motor
FR2257077A1 (en) Artificial moon inertia flywheel - has magnetic radial and axial centring mechanisms and damper also motor generator
GB1266312A (en)
GB1314901A (en) Synchronous alternating current motors
GB953644A (en) Method of producing a double system of electrical synchronous machines with rotating poles of opposite sign
FR2294430A2 (en) Artificial moon inertia flywheel - has magnetic radial and axial centring mechanisms and damper also motor generator
FR2379933A1 (en) Motor with two torque velocity characteristics - has radial permanent magnets set in stator slots associated with wound rotor
GB1321737A (en) Engine having an electrical generator
FR1454811A (en) Synchronous motor excited by a permanent magnet
GB1180588A (en) Apparatus for Measuring Pulses Produced in Rotary Electric Machines
SU488033A1 (en) Electromagnetic powder coupling
US811154A (en) Dynamo-electric machine.
JPS57122663A (en) Brushless motor
GB747587A (en) Improvements in alternators
GB251461A (en) Improvements in electrical generators
GB876576A (en) Improvements in or relating to unidirectionally self-starting synchronous motors
FR2236301A1 (en) Miniature synchronous or stepper motor - with low power demand and suitable for mass production has ferrite rotor core
SU731519A1 (en) Synchronous generator with switching-over of magnetic flux

Legal Events

Date Code Title Description
CL Concession to grant licenses
ST Notification of lapse