WO2011160873A3 - Self-locking clamping element for magnets of a machine part of an electrical machine - Google Patents

Self-locking clamping element for magnets of a machine part of an electrical machine Download PDF

Info

Publication number
WO2011160873A3
WO2011160873A3 PCT/EP2011/056639 EP2011056639W WO2011160873A3 WO 2011160873 A3 WO2011160873 A3 WO 2011160873A3 EP 2011056639 W EP2011056639 W EP 2011056639W WO 2011160873 A3 WO2011160873 A3 WO 2011160873A3
Authority
WO
WIPO (PCT)
Prior art keywords
machine
magnets
self
clamping element
locking clamping
Prior art date
Application number
PCT/EP2011/056639
Other languages
German (de)
French (fr)
Other versions
WO2011160873A2 (en
Inventor
Christian Meyer
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to EP11716272.7A priority Critical patent/EP2586116A2/en
Priority to CN201180030948.6A priority patent/CN102948040B/en
Publication of WO2011160873A2 publication Critical patent/WO2011160873A2/en
Publication of WO2011160873A3 publication Critical patent/WO2011160873A3/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
    • H02K1/22—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
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial 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
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/17—Stator cores with permanent 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
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

The invention relates to a machine part (10), especially a rotor or stator of an electrical machine. Said machine part (10) comprises: a stack (12) of a plurality of laminations stacked one on top of the other, at least one magnet (16) which is accommodated in a pocket (14) formed in the stack (12), and a bracket spring element (18), comprising at least one spring element (22) which is arranged between the magnet (16) and an edge of the pocket (14).
PCT/EP2011/056639 2010-06-22 2011-04-27 Self-locking clamping element for magnets of a machine part of an electrical machine WO2011160873A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11716272.7A EP2586116A2 (en) 2010-06-22 2011-04-27 Self-locking clamping element for magnets of a machine part of an electrical machine
CN201180030948.6A CN102948040B (en) 2010-06-22 2011-04-27 For the self-locking tension element of the magnet of electro-mechanical machine parts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010030323 DE102010030323A1 (en) 2010-06-22 2010-06-22 Self-locking clamping element for magnets of a machine part of an electrical machine
DE102010030323.2 2010-06-22

Publications (2)

Publication Number Publication Date
WO2011160873A2 WO2011160873A2 (en) 2011-12-29
WO2011160873A3 true WO2011160873A3 (en) 2012-09-20

Family

ID=44626001

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/056639 WO2011160873A2 (en) 2010-06-22 2011-04-27 Self-locking clamping element for magnets of a machine part of an electrical machine

Country Status (4)

Country Link
EP (1) EP2586116A2 (en)
CN (1) CN102948040B (en)
DE (1) DE102010030323A1 (en)
WO (1) WO2011160873A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104682650A (en) * 2013-11-28 2015-06-03 德昌电机(深圳)有限公司 Motor rotor and brushless motor with motor rotor
FR3036008B1 (en) * 2015-05-07 2019-03-22 Valeo Equipements Electriques Moteur ROTOR OF ROTATING ELECTRIC MACHINE WITH AT LEAST ONE MAGNET PLATING ELEMENT
JP7443188B2 (en) 2020-08-11 2024-03-05 日立Astemo株式会社 Rotating electric machine rotor and electric drive system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61139253A (en) * 1984-12-06 1986-06-26 Nippon Denso Co Ltd Magnet fixing structure of rotary electric machine
EP1983634A2 (en) * 2007-03-27 2008-10-22 Miele & Cie. KG Rotor, in particular for an electromotor of a circulating pump
DE102008018724A1 (en) * 2008-04-14 2009-10-22 Siemens Aktiengesellschaft Secondary part i.e. rotor, for e.g. two-pole synchronous motor, has positioning elements e.g. steel tape, for positioning permanent magnets in magnet bags, and magnet bags with recesses for accommodation of positioning elements

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7932658B2 (en) * 2007-03-15 2011-04-26 A.O. Smith Corporation Interior permanent magnet motor including rotor with flux barriers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61139253A (en) * 1984-12-06 1986-06-26 Nippon Denso Co Ltd Magnet fixing structure of rotary electric machine
EP1983634A2 (en) * 2007-03-27 2008-10-22 Miele & Cie. KG Rotor, in particular for an electromotor of a circulating pump
DE102008018724A1 (en) * 2008-04-14 2009-10-22 Siemens Aktiengesellschaft Secondary part i.e. rotor, for e.g. two-pole synchronous motor, has positioning elements e.g. steel tape, for positioning permanent magnets in magnet bags, and magnet bags with recesses for accommodation of positioning elements

Also Published As

Publication number Publication date
CN102948040A (en) 2013-02-27
WO2011160873A2 (en) 2011-12-29
CN102948040B (en) 2016-01-06
EP2586116A2 (en) 2013-05-01
DE102010030323A1 (en) 2011-12-22

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