GB9825173D0 - Asymmetric pole electric motors - Google Patents

Asymmetric pole electric motors

Info

Publication number
GB9825173D0
GB9825173D0 GBGB9825173.9A GB9825173A GB9825173D0 GB 9825173 D0 GB9825173 D0 GB 9825173D0 GB 9825173 A GB9825173 A GB 9825173A GB 9825173 D0 GB9825173 D0 GB 9825173D0
Authority
GB
United Kingdom
Prior art keywords
electric motors
pole electric
asymmetric pole
asymmetric
motors
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Withdrawn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
GBGB9825173.9A
Other versions
GB2341732A (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.)
FLOWERDAY MICHAEL J
Original Assignee
FLOWERDAY MICHAEL J
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 FLOWERDAY MICHAEL J filed Critical FLOWERDAY MICHAEL J
Publication of GB9825173D0 publication Critical patent/GB9825173D0/en
Publication of GB2341732A publication Critical patent/GB2341732A/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Withdrawn legal-status Critical Current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
    • 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
    • H02K1/2793—Rotors axially facing stators
    • H02K1/2795—Rotors axially facing stators the rotor consisting of two or more circumferentially positioned 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
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
    • 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
    • H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Linear Motors (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
GB9825173A 1998-09-18 1998-11-18 Layout of rotor poles in an electric motor Withdrawn GB2341732A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9820251.8A GB9820251D0 (en) 1998-09-18 1998-09-18 Improvements to single phase motors

Publications (2)

Publication Number Publication Date
GB9825173D0 true GB9825173D0 (en) 1999-01-13
GB2341732A GB2341732A (en) 2000-03-22

Family

ID=10839014

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9820251.8A Ceased GB9820251D0 (en) 1998-09-18 1998-09-18 Improvements to single phase motors
GB9825173A Withdrawn GB2341732A (en) 1998-09-18 1998-11-18 Layout of rotor poles in an electric motor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9820251.8A Ceased GB9820251D0 (en) 1998-09-18 1998-09-18 Improvements to single phase motors

Country Status (1)

Country Link
GB (2) GB9820251D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004058046B4 (en) * 2004-12-01 2012-10-31 Siemens Ag High-pole permanent-magnet synchronous machine with toothed coils
DE102005038377B4 (en) * 2005-08-13 2012-07-26 Rotek Kg synchronous motor
ITMI20061208A1 (en) * 2006-06-23 2007-12-24 Diego Troisi SINGLE-PHASE ELECTRIC MAGNET WITH PERMANENT MAGNETS
GB2525582B (en) 2014-02-26 2018-06-27 Yasa Ltd Asymmetric machines
JP2021166456A (en) * 2020-04-08 2021-10-14 日立Astemo株式会社 Rotor and rotary electric machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3149256A (en) * 1960-12-20 1964-09-15 Kohlhagen Walter Self-starting rotors for synchronous reaction motors
JPS633638A (en) * 1986-06-23 1988-01-08 Tamagawa Seiki Co Ltd Brushless dc motor
US5852334A (en) * 1995-10-19 1998-12-22 Tridelta Industries, Inc. Staggered pole switched reluctance motor
JPH1032967A (en) * 1996-07-15 1998-02-03 Tsujikawa Keiko Torque developing device

Also Published As

Publication number Publication date
GB2341732A (en) 2000-03-22
GB9820251D0 (en) 1998-11-11

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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)