GB2284104B - Adjustable flux permanent magnet brushless DC motor - Google Patents

Adjustable flux permanent magnet brushless DC motor

Info

Publication number
GB2284104B
GB2284104B GB9323677A GB9323677A GB2284104B GB 2284104 B GB2284104 B GB 2284104B GB 9323677 A GB9323677 A GB 9323677A GB 9323677 A GB9323677 A GB 9323677A GB 2284104 B GB2284104 B GB 2284104B
Authority
GB
United Kingdom
Prior art keywords
motor
permanent magnet
magnet brushless
flux permanent
adjustable flux
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 - Fee Related
Application number
GB9323677A
Other versions
GB9323677D0 (en
GB2284104A (en
Inventor
Ching Chuen Chan
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9323677A priority Critical patent/GB2284104B/en
Publication of GB9323677D0 publication Critical patent/GB9323677D0/en
Publication of GB2284104A publication Critical patent/GB2284104A/en
Application granted granted Critical
Publication of GB2284104B publication Critical patent/GB2284104B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H02K1/2746—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 arranged with the same polarity, e.g. consequent pole type
    • 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]
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
GB9323677A 1993-11-17 1993-11-17 Adjustable flux permanent magnet brushless DC motor Expired - Fee Related GB2284104B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9323677A GB2284104B (en) 1993-11-17 1993-11-17 Adjustable flux permanent magnet brushless DC motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9323677A GB2284104B (en) 1993-11-17 1993-11-17 Adjustable flux permanent magnet brushless DC motor

Publications (3)

Publication Number Publication Date
GB9323677D0 GB9323677D0 (en) 1994-01-05
GB2284104A GB2284104A (en) 1995-05-24
GB2284104B true GB2284104B (en) 1998-04-15

Family

ID=10745299

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9323677A Expired - Fee Related GB2284104B (en) 1993-11-17 1993-11-17 Adjustable flux permanent magnet brushless DC motor

Country Status (1)

Country Link
GB (1) GB2284104B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006006824A1 (en) * 2006-02-14 2007-08-23 Siemens Ag Permanent magnet synchronous machine and method and apparatus for its operation
DE102007029157A1 (en) * 2007-06-25 2009-01-08 Robert Bosch Gmbh Synchronous motor with 12 stator teeth and 10 rotor poles
FI20090417A (en) * 2009-11-10 2011-05-11 Abb Oy With permanent magnets synchronized synchronous machine and method of manufacture and assembly thereof
US11936256B2 (en) 2020-04-24 2024-03-19 Jacobi Motors, Llc Flux-mnemonic permanent magnet synchronous machine and magnetizing a flux-mnemonic permanent magnet synchronous machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB213979A (en) * 1923-01-10 1924-04-10 Ml Magneto Syndicate Ltd Improvements relating to magneto electric machines
GB373537A (en) * 1930-11-05 1932-05-26 Kienzle Taxameter Und App A G Improvements in synchronous electromotors for driving clocks and the like
GB535302A (en) * 1938-10-06 1941-04-04 Bendix Aviat Corp Improvements in permanent magnet rotors for magneto electric generators and like apparatus
GB1314901A (en) * 1969-04-26 1973-04-26 Brook Motors Ltd Synchronous alternating current motors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB213979A (en) * 1923-01-10 1924-04-10 Ml Magneto Syndicate Ltd Improvements relating to magneto electric machines
GB373537A (en) * 1930-11-05 1932-05-26 Kienzle Taxameter Und App A G Improvements in synchronous electromotors for driving clocks and the like
GB535302A (en) * 1938-10-06 1941-04-04 Bendix Aviat Corp Improvements in permanent magnet rotors for magneto electric generators and like apparatus
GB1314901A (en) * 1969-04-26 1973-04-26 Brook Motors Ltd Synchronous alternating current motors

Also Published As

Publication number Publication date
GB9323677D0 (en) 1994-01-05
GB2284104A (en) 1995-05-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20061117