GB2317997B - A brushless motor having permanent magnets - Google Patents

A brushless motor having permanent magnets

Info

Publication number
GB2317997B
GB2317997B GB9720757A GB9720757A GB2317997B GB 2317997 B GB2317997 B GB 2317997B GB 9720757 A GB9720757 A GB 9720757A GB 9720757 A GB9720757 A GB 9720757A GB 2317997 B GB2317997 B GB 2317997B
Authority
GB
United Kingdom
Prior art keywords
permanent magnets
brushless motor
brushless
motor
magnets
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
GB9720757A
Other versions
GB2317997A (en
GB9720757D0 (en
Inventor
Masahiro Masuzawa
Noriyoshi Hirao
Takashi Sasaki
Masahiro Mita
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.)
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Publication of GB9720757D0 publication Critical patent/GB9720757D0/en
Publication of GB2317997A publication Critical patent/GB2317997A/en
Application granted granted Critical
Publication of GB2317997B publication Critical patent/GB2317997B/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
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/02—Details
    • H02K21/021—Means for mechanical adjustment of the excitation flux
    • H02K21/028—Means for mechanical adjustment of the excitation flux by modifying the magnetic circuit within the field or the armature, e.g. by using shunts, by adjusting the magnets position, by vectorial combination of field or armature sections
    • H02K21/029—Vectorial combination of the fluxes generated by a plurality of field sections or of the voltages induced in a plurality of armature sections
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H02K16/02—Machines with one stator and two or more rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
GB9720757A 1996-09-30 1997-09-30 A brushless motor having permanent magnets Expired - Fee Related GB2317997B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25871196 1996-09-30

Publications (3)

Publication Number Publication Date
GB9720757D0 GB9720757D0 (en) 1997-12-03
GB2317997A GB2317997A (en) 1998-04-08
GB2317997B true GB2317997B (en) 2000-06-07

Family

ID=17324040

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9720757A Expired - Fee Related GB2317997B (en) 1996-09-30 1997-09-30 A brushless motor having permanent magnets

Country Status (1)

Country Link
GB (1) GB2317997B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3468726B2 (en) 1999-09-01 2003-11-17 株式会社日立製作所 Hybrid vehicles and rotating electric machines
JP4013487B2 (en) * 2001-02-28 2007-11-28 株式会社日立製作所 Rotating electric machine and vehicle equipped with the same
GB0312486D0 (en) * 2003-05-30 2003-07-09 Univ Bath Improvements in or relating to electromotive machines
KR100624720B1 (en) * 2005-02-21 2006-09-20 엘지전자 주식회사 rotary resonance type motor
US7576465B2 (en) * 2006-10-26 2009-08-18 Deere & Company Dual rotor electromagnetic machine
US8288908B2 (en) * 2009-10-30 2012-10-16 Finkle Louis J Reconfigurable inductive to synchronous motor
DE102021101904B3 (en) * 2021-01-28 2022-05-12 Schaeffler Technologies AG & Co. KG Electrical machine with a mechanical field weakening module

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1366229A (en) * 1971-02-09 1974-09-11 Bosch Gmbh Robert Alternating current generators
US5200660A (en) * 1988-05-16 1993-04-06 Heidelberg Goetz Electric machine
GB2266197A (en) * 1992-04-16 1993-10-20 Deutsche Aerospace Voltage regulation in a generator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1366229A (en) * 1971-02-09 1974-09-11 Bosch Gmbh Robert Alternating current generators
US5200660A (en) * 1988-05-16 1993-04-06 Heidelberg Goetz Electric machine
GB2266197A (en) * 1992-04-16 1993-10-20 Deutsche Aerospace Voltage regulation in a generator

Also Published As

Publication number Publication date
GB2317997A (en) 1998-04-08
GB9720757D0 (en) 1997-12-03

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Legal Events

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

Effective date: 20040930