Rotor, motor having the rotor and method for reducing torque ripple of rotor
The embodiments of the present invention provide a rotor, a motor having the rotor and a method for reducing a torque ripple of the rotor. The rotor rotates with a rotation axis as the center; the rotor comprises electromagnetic steel sheets laminated in an axial direction and a plurality of flux ba...
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| creator | LIN XINNAN YAN SHENGZHAN XU YUWEI LIU CHENGZONG |
| description | The embodiments of the present invention provide a rotor, a motor having the rotor and a method for reducing a torque ripple of the rotor. The rotor rotates with a rotation axis as the center; the rotor comprises electromagnetic steel sheets laminated in an axial direction and a plurality of flux barriers axially penetrating the electromagnetic steel sheets, wherein when being observed in the axial direction, in any two imaginary straight lines passing through at least one flux barrier from the center of the rotor and extending to the radial outer side, sums of the lengths of line segments superimposed on the flux barriers respectively for the two imaginary straight lines keep consistent. Through the embodiments of the present invention, the torque ripple of the rotor can be reduced, thereby reducing vibrations, noise and losses of the motor provided with the rotor.
本发明实施例提供种转子、具有该转子的马达以及降低转子的转矩链波的方法。该转子以旋转轴线为中心旋转，该转子具有：沿轴向层叠的电磁钢板；以及沿轴向贯穿电磁钢板的多个磁通屏障，其中，沿轴向观察时，从该转子的中心经过至少个该磁通屏障并向径向外侧延伸的任意两条假想直线中，该两条假想直线分别与磁通屏障 |
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本发明实施例提供种转子、具有该转子的马达以及降低转子的转矩链波的方法。该转子以旋转轴线为中心旋转，该转子具有：沿轴向层叠的电磁钢板；以及沿轴向贯穿电磁钢板的多个磁通屏障，其中，沿轴向观察时，从该转子的中心经过至少个该磁通屏障并向径向外侧延伸的任意两条假想直线中，该两条假想直线分别与磁通屏障</description><language>chi ; eng</language><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DYNAMO-ELECTRIC MACHINES ; ELECTRICITY ; GENERATION</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20181102&DB=EPODOC&CC=CN&NR=108736601A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20181102&DB=EPODOC&CC=CN&NR=108736601A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIN XINNAN</creatorcontrib><creatorcontrib>YAN SHENGZHAN</creatorcontrib><creatorcontrib>XU YUWEI</creatorcontrib><creatorcontrib>LIU CHENGZONG</creatorcontrib><title>Rotor, motor having the rotor and method for reducing torque ripple of rotor</title><description>The embodiments of the present invention provide a rotor, a motor having the rotor and a method for reducing a torque ripple of the rotor. The rotor rotates with a rotation axis as the center; the rotor comprises electromagnetic steel sheets laminated in an axial direction and a plurality of flux barriers axially penetrating the electromagnetic steel sheets, wherein when being observed in the axial direction, in any two imaginary straight lines passing through at least one flux barrier from the center of the rotor and extending to the radial outer side, sums of the lengths of line segments superimposed on the flux barriers respectively for the two imaginary straight lines keep consistent. Through the embodiments of the present invention, the torque ripple of the rotor can be reduced, thereby reducing vibrations, noise and losses of the motor provided with the rotor.
本发明实施例提供种转子、具有该转子的马达以及降低转子的转矩链波的方法。该转子以旋转轴线为中心旋转，该转子具有：沿轴向层叠的电磁钢板；以及沿轴向贯穿电磁钢板的多个磁通屏障，其中，沿轴向观察时，从该转子的中心经过至少个该磁通屏障并向径向外侧延伸的任意两条假想直线中，该两条假想直线分别与磁通屏障</description><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>DYNAMO-ELECTRIC MACHINES</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPAJyi_JL9JRyAVRChmJZZl56QolGakKRWCBxLwUhdzUkoz8FIU0ILcoNaU0Gawiv6iwFKgos6AgJ1UhPw2inIeBNS0xpziVF0pzMyi6uYY4e-imFuTHpxYXJCan5qWWxDv7GRpYmBubmRkYOhoTowYAe941nQ</recordid><startdate>20181102</startdate><enddate>20181102</enddate><creator>LIN XINNAN</creator><creator>YAN SHENGZHAN</creator><creator>XU YUWEI</creator><creator>LIU CHENGZONG</creator><scope>EVB</scope></search><sort><creationdate>20181102</creationdate><title>Rotor, motor having the rotor and method for reducing torque ripple of rotor</title><author>LIN XINNAN ; YAN SHENGZHAN ; XU YUWEI ; LIU CHENGZONG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN108736601A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2018</creationdate><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>DYNAMO-ELECTRIC MACHINES</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><toplevel>online_resources</toplevel><creatorcontrib>LIN XINNAN</creatorcontrib><creatorcontrib>YAN SHENGZHAN</creatorcontrib><creatorcontrib>XU YUWEI</creatorcontrib><creatorcontrib>LIU CHENGZONG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LIN XINNAN</au><au>YAN SHENGZHAN</au><au>XU YUWEI</au><au>LIU CHENGZONG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Rotor, motor having the rotor and method for reducing torque ripple of rotor</title><date>2018-11-02</date><risdate>2018</risdate><abstract>The embodiments of the present invention provide a rotor, a motor having the rotor and a method for reducing a torque ripple of the rotor. The rotor rotates with a rotation axis as the center; the rotor comprises electromagnetic steel sheets laminated in an axial direction and a plurality of flux barriers axially penetrating the electromagnetic steel sheets, wherein when being observed in the axial direction, in any two imaginary straight lines passing through at least one flux barrier from the center of the rotor and extending to the radial outer side, sums of the lengths of line segments superimposed on the flux barriers respectively for the two imaginary straight lines keep consistent. Through the embodiments of the present invention, the torque ripple of the rotor can be reduced, thereby reducing vibrations, noise and losses of the motor provided with the rotor.
本发明实施例提供种转子、具有该转子的马达以及降低转子的转矩链波的方法。该转子以旋转轴线为中心旋转，该转子具有：沿轴向层叠的电磁钢板；以及沿轴向贯穿电磁钢板的多个磁通屏障，其中，沿轴向观察时，从该转子的中心经过至少个该磁通屏障并向径向外侧延伸的任意两条假想直线中，该两条假想直线分别与磁通屏障</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION |
| title | Rotor, motor having the rotor and method for reducing torque ripple of rotor |
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