WO2013045240A3 - Electric machine having a stator with a variable slot spacing - Google Patents

Electric machine having a stator with a variable slot spacing Download PDF

Info

Publication number
WO2013045240A3
WO2013045240A3 PCT/EP2012/067287 EP2012067287W WO2013045240A3 WO 2013045240 A3 WO2013045240 A3 WO 2013045240A3 EP 2012067287 W EP2012067287 W EP 2012067287W WO 2013045240 A3 WO2013045240 A3 WO 2013045240A3
Authority
WO
WIPO (PCT)
Prior art keywords
stator
slots
rotation
axis
electric machine
Prior art date
Application number
PCT/EP2012/067287
Other languages
German (de)
French (fr)
Other versions
WO2013045240A2 (en
Inventor
Norbert WÖHNER
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to CN201280046925.9A priority Critical patent/CN103931082B/en
Publication of WO2013045240A2 publication Critical patent/WO2013045240A2/en
Publication of WO2013045240A3 publication Critical patent/WO2013045240A3/en

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
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/16—Stator cores with slots for windings
    • H02K1/165—Shape, form or location of the slots
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots

Landscapes

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

Abstract

An electric machine has a stator (1) and a rotor (2). The stator (1) is arranged around an axis of rotation (4) and extends in the direction of the axis of rotation (4) from a first axial end (5) via a central region (6) to a second axial end (7). The stator (1) has slots (8), which each extend from the first to the second axial end (5, 7) of the stator (1). The windings (11) of a three-phase winding system are arranged in the slots (8). The slots (8) are delimited radially outwards by a respective slot base (10). The slots (8) form slot groups (12), when viewed around the axis of rotation (4). A radial spacing (r1, r2, r3) which the slot bases (10) have from the axis of rotation (4) at least at the axial ends (5, 7) of the stator (1) is constant within the respective slot group (12), but varies from slot group (12) to slot group (12).
PCT/EP2012/067287 2011-09-28 2012-09-05 Electric machine having a stator with a variable slot spacing WO2013045240A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201280046925.9A CN103931082B (en) 2011-09-28 2012-09-05 Motor with stator and variable separation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110083577 DE102011083577A1 (en) 2011-09-28 2011-09-28 Electric machine with stator with variable slot spacing
DE102011083577.6 2011-09-28

Publications (2)

Publication Number Publication Date
WO2013045240A2 WO2013045240A2 (en) 2013-04-04
WO2013045240A3 true WO2013045240A3 (en) 2014-05-30

Family

ID=47010505

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/067287 WO2013045240A2 (en) 2011-09-28 2012-09-05 Electric machine having a stator with a variable slot spacing

Country Status (3)

Country Link
CN (1) CN103931082B (en)
DE (1) DE102011083577A1 (en)
WO (1) WO2013045240A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014221939A1 (en) * 2014-10-28 2016-04-28 Robert Bosch Gmbh Insulating element for the stator winding of an electrical machine and an electrical machine
CN106936233B (en) * 2015-12-31 2020-01-03 中山大洋电机股份有限公司 Stator module and external rotor motor
FR3065591B1 (en) * 2017-04-20 2021-01-01 Valeo Equip Electr Moteur ROTATING ELECTRIC MACHINE WITH VARIABLE STATORIC NOTCH WIDTH
CN112104175B (en) * 2020-11-09 2021-01-29 宁波震裕科技股份有限公司 Manufacturing process of motor stator core with straight tooth groove and special-shaped notch
CN114244020B (en) * 2021-12-13 2023-12-22 陕西航空电气有限责任公司 High-power-density air-cooled aviation permanent magnet motor

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1488657A1 (en) * 1965-03-13 1969-06-12 Siemens Ag Grooved sheets for electrical machines with axially running cooling ducts in the yoke
DE2021916A1 (en) * 1970-05-05 1971-11-25 Licentia Gmbh Insulation lining for grooves made by injection molding
GB2203597A (en) * 1987-04-10 1988-10-19 Danfoss As Windings on laminated cores for electrical machines and methods of making same
US4982129A (en) * 1988-09-21 1991-01-01 Empresa Brasileira De Compressores Single phase asynchronous motor with two magnetic poles
DE19832576A1 (en) * 1997-07-24 2000-01-27 Eckert Frank Brushless synchronous generator and/or motor e.g. for automobile i.c. engine has 2 rotor windings with different number of pole pairs providing 2 rotating magnetic fields rotating in opposite directions within same space
DE102007004562A1 (en) * 2007-01-30 2008-07-31 Robert Bosch Gmbh Isolation lamella for electrical machine anchor, particularly electric motor anchor or electrical generator anchor, contains ferromagnetic material with modified plastic and powder composite material
US20080303370A1 (en) * 2007-06-07 2008-12-11 Rahman Khwaja M Permanent magnet motors with reduced torque ripple and methods for designing the same
CN201274423Y (en) * 2008-10-07 2009-07-15 广东威灵电机制造有限公司 Punched sheet for AC asynchronous motor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3942055A (en) * 1974-10-16 1976-03-02 General Electric Company Hermetic motor stator
DE102005002364B4 (en) 2005-01-18 2007-04-05 Siemens Ag Phase machine
DE102005037375B4 (en) 2005-08-08 2007-08-30 Siemens Ag Method for winding an electrical machine
CN201639378U (en) * 2010-02-25 2010-11-17 中山大洋电机制造有限公司 Punching structure of motor stator iron core
CN201947071U (en) * 2011-03-01 2011-08-24 中山大洋电机制造有限公司 Motor stator lamination

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1488657A1 (en) * 1965-03-13 1969-06-12 Siemens Ag Grooved sheets for electrical machines with axially running cooling ducts in the yoke
DE2021916A1 (en) * 1970-05-05 1971-11-25 Licentia Gmbh Insulation lining for grooves made by injection molding
GB2203597A (en) * 1987-04-10 1988-10-19 Danfoss As Windings on laminated cores for electrical machines and methods of making same
US4982129A (en) * 1988-09-21 1991-01-01 Empresa Brasileira De Compressores Single phase asynchronous motor with two magnetic poles
DE19832576A1 (en) * 1997-07-24 2000-01-27 Eckert Frank Brushless synchronous generator and/or motor e.g. for automobile i.c. engine has 2 rotor windings with different number of pole pairs providing 2 rotating magnetic fields rotating in opposite directions within same space
DE102007004562A1 (en) * 2007-01-30 2008-07-31 Robert Bosch Gmbh Isolation lamella for electrical machine anchor, particularly electric motor anchor or electrical generator anchor, contains ferromagnetic material with modified plastic and powder composite material
US20080303370A1 (en) * 2007-06-07 2008-12-11 Rahman Khwaja M Permanent magnet motors with reduced torque ripple and methods for designing the same
CN201274423Y (en) * 2008-10-07 2009-07-15 广东威灵电机制造有限公司 Punched sheet for AC asynchronous motor

Also Published As

Publication number Publication date
WO2013045240A2 (en) 2013-04-04
CN103931082B (en) 2017-10-20
CN103931082A (en) 2014-07-16
DE102011083577A1 (en) 2013-03-28

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