GB0622131D0 - Brushless electric motors - Google Patents

Brushless electric motors

Info

Publication number
GB0622131D0
GB0622131D0 GBGB0622131.1A GB0622131A GB0622131D0 GB 0622131 D0 GB0622131 D0 GB 0622131D0 GB 0622131 A GB0622131 A GB 0622131A GB 0622131 D0 GB0622131 D0 GB 0622131D0
Authority
GB
United Kingdom
Prior art keywords
electric motors
brushless electric
brushless
motors
electric
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Withdrawn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
GBGB0622131.1A
Other versions
GB2432057A (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.)
Denis Ferranti Meters Ltd
Original Assignee
Denis Ferranti Meters 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 Denis Ferranti Meters Ltd filed Critical Denis Ferranti Meters Ltd
Publication of GB0622131D0 publication Critical patent/GB0622131D0/en
Publication of GB2432057A publication Critical patent/GB2432057A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
GB0622131A 2005-11-08 2006-11-07 Brushless motor with rotor flux leakage derived control signals Withdrawn GB2432057A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0522723.6A GB0522723D0 (en) 2005-11-08 2005-11-08 Brushless electric motors

Publications (2)

Publication Number Publication Date
GB0622131D0 true GB0622131D0 (en) 2006-12-20
GB2432057A GB2432057A (en) 2007-05-09

Family

ID=35516514

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0522723.6A Pending GB0522723D0 (en) 2005-11-08 2005-11-08 Brushless electric motors
GB0622131A Withdrawn GB2432057A (en) 2005-11-08 2006-11-07 Brushless motor with rotor flux leakage derived control signals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0522723.6A Pending GB0522723D0 (en) 2005-11-08 2005-11-08 Brushless electric motors

Country Status (2)

Country Link
GB (2) GB0522723D0 (en)
WO (1) WO2007054676A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57166871A (en) * 1981-04-03 1982-10-14 Japan Servo Co Ltd Dc brushless motor
ATE54517T1 (en) * 1985-09-23 1990-07-15 Siemens Ag ELECTRIC MOTOR, IN PARTICULAR PERMANENT MAGNET EXCITED OUTSIDE ROTOR MOTOR.
JPH0352546A (en) * 1989-07-20 1991-03-06 Canon Electron Inc Brushless motor
JP3017953B2 (en) * 1996-07-24 2000-03-13 株式会社東芝 Motor rotor and method of manufacturing the same
JP3546817B2 (en) * 2000-07-11 2004-07-28 日産自動車株式会社 Magnetic pole position detection device for motor
JP3998118B2 (en) * 2000-10-10 2007-10-24 本田技研工業株式会社 Electric vehicle
AU2002361020A1 (en) * 2002-01-11 2003-07-24 Ebm-Papst St. Georgen Gmbh & Co. Kg Miniature fan or micro-fan
JP3769565B2 (en) * 2003-10-10 2006-04-26 住友重機械工業株式会社 Geared motor used in electric wheelchair drive device

Also Published As

Publication number Publication date
GB0522723D0 (en) 2005-12-14
WO2007054676A1 (en) 2007-05-18
GB2432057A (en) 2007-05-09

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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)