GB9102239D0 - Using unidirectional magnets for coreless torsional magnetic coupling - Google Patents

Using unidirectional magnets for coreless torsional magnetic coupling

Info

Publication number
GB9102239D0
GB9102239D0 GB919102239A GB9102239A GB9102239D0 GB 9102239 D0 GB9102239 D0 GB 9102239D0 GB 919102239 A GB919102239 A GB 919102239A GB 9102239 A GB9102239 A GB 9102239A GB 9102239 D0 GB9102239 D0 GB 9102239D0
Authority
GB
United Kingdom
Prior art keywords
coreless
magnetic coupling
unidirectional
magnets
torsional 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.)
Withdrawn
Application number
GB919102239A
Other versions
GB2240666A (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.)
Raytheon Technologies Corp
Original Assignee
United Technologies 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
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of GB9102239D0 publication Critical patent/GB9102239D0/en
Publication of GB2240666A publication Critical patent/GB2240666A/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Withdrawn legal-status Critical Current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
    • H02K1/278—Surface mounted magnets; Inset magnets
    • H02K1/2783—Surface mounted magnets; Inset magnets with magnets arranged in Halbach arrays
    • 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
    • H02K1/2786—Outer rotors
    • H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2789—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2791—Surface mounted magnets; Inset magnets
    • H02K1/2792—Surface mounted magnets; Inset magnets with magnets arranged in Halbach arrays
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
    • H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
    • H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
GB9102239A 1990-02-01 1991-02-01 Using unidirectional magnets for careless torsional magnetic coupling Withdrawn GB2240666A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47351490A 1990-02-01 1990-02-01

Publications (2)

Publication Number Publication Date
GB9102239D0 true GB9102239D0 (en) 1991-03-20
GB2240666A GB2240666A (en) 1991-08-07

Family

ID=23879851

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9102239A Withdrawn GB2240666A (en) 1990-02-01 1991-02-01 Using unidirectional magnets for careless torsional magnetic coupling

Country Status (2)

Country Link
FR (1) FR2660497A1 (en)
GB (1) GB2240666A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19614862A1 (en) * 1996-04-16 1997-11-06 Abb Daimler Benz Transp Transverse flux machine with permanent excitation
GB2378737A (en) * 2001-06-30 2003-02-19 Martin Boughtwood Permanent magnet differential reluctance torque limiting clutch
GB0310639D0 (en) * 2003-05-08 2003-06-11 Corac Group Plc Rotary electric machine
SE0401826D0 (en) * 2004-07-09 2004-07-09 Trimble Ab Method of preparing a winding for an n-phase motor
EP2330724B1 (en) 2009-12-02 2012-08-29 Ringfeder Power-Transmission GmbH Permanent magnetic coupling
DE202010001180U1 (en) * 2010-01-19 2010-05-06 Ringfeder Power Transmission Gmbh Permanent magnetic coupling
DE102011005713A1 (en) * 2011-03-17 2012-09-20 Siemens Aktiengesellschaft Rotor for an electric machine and electric machine
US10916999B2 (en) 2013-03-19 2021-02-09 Intellitech Pty Ltd Device and method for using a magnetic clutch in BLDC motors
US10312790B2 (en) 2013-03-19 2019-06-04 Intellitech Pty Ltd Device and method for using a magnetic clutch in BLDC motors
US20170227070A1 (en) * 2014-03-13 2017-08-10 Vastech Holdings Ltd. Magnetic clutch
DE102015204666A1 (en) * 2015-03-16 2016-09-22 Siemens Aktiengesellschaft Switching arrangement for a gas-insulated circuit system and corresponding circuit system
GB2544720A (en) 2015-10-15 2017-05-31 Vastech Holdings Ltd Electric motor
GB201722054D0 (en) 2017-12-28 2018-02-14 Vastech Holdings Ltd Electric Motor
CN111342633B (en) * 2020-04-07 2021-04-09 北京理工大学 Three-phase power generation device with high-power-density outer rotor structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB842531A (en) * 1958-12-24 1960-07-27 Mullard Ltd Permanent magnets
US3768054A (en) * 1972-04-03 1973-10-23 Gen Electric Low flux leakage magnet construction
GB1428164A (en) * 1973-03-16 1976-03-17 Inst Wlokiennictwa Apparatus for the contactless handling of objects
GB1561582A (en) * 1977-05-09 1980-02-27 Blache L A Magnetic drivemeans
JPS646631A (en) * 1987-06-30 1989-01-11 Komatsu Mfg Co Ltd Radiation type space cooler/heater

Also Published As

Publication number Publication date
FR2660497A1 (en) 1991-10-04
GB2240666A (en) 1991-08-07

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)