SE0202985D0 - Electric machine - Google Patents

Electric machine

Info

Publication number
SE0202985D0
SE0202985D0 SE0202985A SE0202985A SE0202985D0 SE 0202985 D0 SE0202985 D0 SE 0202985D0 SE 0202985 A SE0202985 A SE 0202985A SE 0202985 A SE0202985 A SE 0202985A SE 0202985 D0 SE0202985 D0 SE 0202985D0
Authority
SE
Sweden
Prior art keywords
rotor
stator
respective tooth
viewed
teeth
Prior art date
Application number
SE0202985A
Other languages
Swedish (sv)
Other versions
SE524857C2 (en
SE0202985L (en
Inventor
Jan Jamali
Original Assignee
Itt Mfg Enterprises Inc
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 Itt Mfg Enterprises Inc filed Critical Itt Mfg Enterprises Inc
Priority to SE0202985A priority Critical patent/SE524857C2/en
Publication of SE0202985D0 publication Critical patent/SE0202985D0/en
Priority to PCT/SE2003/001586 priority patent/WO2004034549A1/en
Priority to AU2003269764A priority patent/AU2003269764A1/en
Publication of SE0202985L publication Critical patent/SE0202985L/en
Publication of SE524857C2 publication Critical patent/SE524857C2/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • 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
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/16—Stator cores with slots for windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

AbstractThe present invention provides a rotating electric machine comprising a stator and a rotor. The stator is equipped with a plurality of teeth each having essentially the same shape in each single radial cross section of the stator, said teeth being arranged at equal distance from each other on the periphery of the stator so as to form an air gap between the envelope surface of said rotor and surface of each respective tooth facing the rotor. At least part of the surface of the respective tooth, viewed from an axial direction of the stator is arranged having a relation between a first distance between a striking edge, viewed tangentially in the direction of rotation of the rotor of the respective tooth and the envelope surface of said rotor and having a second distance between a trailing edge, viewed in said direction of the respective tooth and the envelope surface of said rotor, said relation being capable of affecting the magnetic field generated in operation between said surface of each respective tooth and envelope surface of the rotor so as to make the flux density of the field essentially evenly distributed across the full width of the tooth in a tangential direction. The design will thus reduce the temperature increase in the stator teeth generated by an unevenly distributed flux density in the air gap.
SE0202985A 2002-10-10 2002-10-10 Rotating electric machine, stator for such and use of stator SE524857C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE0202985A SE524857C2 (en) 2002-10-10 2002-10-10 Rotating electric machine, stator for such and use of stator
PCT/SE2003/001586 WO2004034549A1 (en) 2002-10-10 2003-10-10 Electric machine
AU2003269764A AU2003269764A1 (en) 2002-10-10 2003-10-10 Electric machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0202985A SE524857C2 (en) 2002-10-10 2002-10-10 Rotating electric machine, stator for such and use of stator

Publications (3)

Publication Number Publication Date
SE0202985D0 true SE0202985D0 (en) 2002-10-10
SE0202985L SE0202985L (en) 2004-04-11
SE524857C2 SE524857C2 (en) 2004-10-12

Family

ID=20289220

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0202985A SE524857C2 (en) 2002-10-10 2002-10-10 Rotating electric machine, stator for such and use of stator

Country Status (3)

Country Link
AU (1) AU2003269764A1 (en)
SE (1) SE524857C2 (en)
WO (1) WO2004034549A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017107897A1 (en) 2017-04-12 2018-10-18 Wobben Properties Gmbh Method for cooling a gearless wind turbine
EP4064555A1 (en) 2021-03-25 2022-09-28 Wobben Properties GmbH Wind turbine and method for controlling a wind turbine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1523356A (en) * 1967-03-21 1968-05-03 Ducellier & Cie Stator for electrical machines, in particular for alternators fitted to motor vehicles
JP2000253603A (en) * 1999-03-04 2000-09-14 Matsushita Seiko Co Ltd Stator core for induction motor
JP2001061241A (en) * 1999-08-20 2001-03-06 Matsushita Seiko Co Ltd Stator core of half-pitched motor
JP2002101628A (en) * 2000-09-22 2002-04-05 Hitachi Ltd Permanent magnet rotating electric machine

Also Published As

Publication number Publication date
SE524857C2 (en) 2004-10-12
SE0202985L (en) 2004-04-11
AU2003269764A1 (en) 2004-05-04
WO2004034549A1 (en) 2004-04-22

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Legal Events

Date Code Title Description
NUG Patent has lapsed