WO2020012421A3 - Elektromotor mit einstückigem innenläufer-rotorkern - Google Patents
Elektromotor mit einstückigem innenläufer-rotorkern Download PDFInfo
- Publication number
- WO2020012421A3 WO2020012421A3 PCT/IB2019/055947 IB2019055947W WO2020012421A3 WO 2020012421 A3 WO2020012421 A3 WO 2020012421A3 IB 2019055947 W IB2019055947 W IB 2019055947W WO 2020012421 A3 WO2020012421 A3 WO 2020012421A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotor core
- electric motor
- integrally formed
- inner rotor
- formed inner
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/002—Extruding materials of special alloys so far as the composition of the alloy requires or permits special extruding methods of sequences
-
- 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]
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
Die Erfindung betrifft einen einstückig ausgeformten Innenläufer-Rotorkern (3) für einen bürstenlosen Elektromotor aufweisend eine Mittelbohrung (4), wobei der Rotorkern (3) mittels eines Kaltfließpressverfahrens hergestellt ist.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/259,801 US20210313849A1 (en) | 2018-07-13 | 2019-07-12 | Electric motor comprising an integrally formed inner rotor core |
CN201980046774.9A CN112425037A (zh) | 2018-07-13 | 2019-07-12 | 具有一件式内转子-转子芯的电动机 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018116988.4 | 2018-07-13 | ||
DE102018116988.4A DE102018116988A1 (de) | 2018-07-13 | 2018-07-13 | Elektromotor mit einstückigem Innenläufer-Rotorkern |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2020012421A2 WO2020012421A2 (de) | 2020-01-16 |
WO2020012421A3 true WO2020012421A3 (de) | 2020-03-19 |
Family
ID=67989030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2019/055947 WO2020012421A2 (de) | 2018-07-13 | 2019-07-12 | Elektromotor mit einstückigem innenläufer-rotorkern |
Country Status (4)
Country | Link |
---|---|
US (1) | US20210313849A1 (de) |
CN (1) | CN112425037A (de) |
DE (1) | DE102018116988A1 (de) |
WO (1) | WO2020012421A2 (de) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1249918A1 (de) * | 2001-04-09 | 2002-10-16 | Kabushiki Kaisha Moric | Rotor für eine elektrische Maschine des permanentmagnetischen Typs |
US20110291498A1 (en) * | 2009-02-09 | 2011-12-01 | Takatoshi Sakata | Electric Motor and Rotor |
JP2014187828A (ja) * | 2013-03-25 | 2014-10-02 | Mitsuba Corp | モータ用ロータ、ブラシレスモータ及びモータ用ロータの製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4910861A (en) * | 1988-10-07 | 1990-03-27 | Emerson Electric Co. | Method of manufacturing retention structure for electric motor rotor magnets |
JP2002369464A (ja) * | 2001-06-04 | 2002-12-20 | Mitsuba Corp | 磁石発電機の製造方法 |
JP2003285228A (ja) * | 2002-03-28 | 2003-10-07 | Minebea Co Ltd | スピンドルモータ用ロータハブの製造方法 |
JP4167721B2 (ja) * | 2005-06-30 | 2008-10-22 | ミネベアモータ株式会社 | Dcモータ |
JP4856940B2 (ja) * | 2005-12-09 | 2012-01-18 | 日立オートモティブシステムズ株式会社 | 回転電機およびその製造方法 |
CN102280976B (zh) * | 2010-06-10 | 2013-01-23 | 怀特(中国)驱动产品有限公司 | 定子的加工工艺方法 |
JP5842365B2 (ja) * | 2011-04-02 | 2016-01-13 | 日本電産株式会社 | ロータユニット、回転電機、およびロータユニットの製造方法 |
JP6008228B2 (ja) * | 2011-12-26 | 2016-10-19 | 日本電産株式会社 | モータ |
DE102014202572A1 (de) * | 2014-02-12 | 2015-08-13 | BSH Hausgeräte GmbH | Elektrischer Antriebsmotor, Pumpe und Haushaltsgerät mit einer solchen Pumpe |
DE112014006539T5 (de) * | 2014-03-31 | 2016-12-15 | Mitsubishi Electric Corporation | Rotor für einen Käfigläufer-Motor und Käfigläufer-Motor |
CN107852051B (zh) * | 2015-07-21 | 2019-12-24 | 株式会社电装 | 电动机 |
US20170126087A1 (en) * | 2015-10-30 | 2017-05-04 | Rod F. Soderberg | Device including material originating from magnetic particles providing structural and magnetic capabilities |
-
2018
- 2018-07-13 DE DE102018116988.4A patent/DE102018116988A1/de not_active Withdrawn
-
2019
- 2019-07-12 CN CN201980046774.9A patent/CN112425037A/zh active Pending
- 2019-07-12 US US17/259,801 patent/US20210313849A1/en not_active Abandoned
- 2019-07-12 WO PCT/IB2019/055947 patent/WO2020012421A2/de active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1249918A1 (de) * | 2001-04-09 | 2002-10-16 | Kabushiki Kaisha Moric | Rotor für eine elektrische Maschine des permanentmagnetischen Typs |
US20110291498A1 (en) * | 2009-02-09 | 2011-12-01 | Takatoshi Sakata | Electric Motor and Rotor |
JP2014187828A (ja) * | 2013-03-25 | 2014-10-02 | Mitsuba Corp | モータ用ロータ、ブラシレスモータ及びモータ用ロータの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2020012421A2 (de) | 2020-01-16 |
US20210313849A1 (en) | 2021-10-07 |
CN112425037A (zh) | 2021-02-26 |
DE102018116988A1 (de) | 2020-01-16 |
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