Electric motor with multiple rotors in a concentrically circular arrangement around a rotation axis of the electric motor
An electric motor comprising an inner periphery side rotor provided with inner peripheral permanent magnets with unlike poles, which are disposed alternately along a circumferential direction of the inner periphery side rotor, an outer periphery side rotor provided with outer peripheral permanent ma...
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| creator | IWATA KAZUYUKI FUJIOKA MASATO IMAI TOSHITAKA |
| description | An electric motor comprising an inner periphery side rotor provided with inner peripheral permanent magnets with unlike poles, which are disposed alternately along a circumferential direction of the inner periphery side rotor, an outer periphery side rotor provided with outer peripheral permanent magnets with unlike poles, which are disposed alternately along a circumferential direction of the outer periphery side rotor, and a rotating device that varies a relative phase between the inner periphery side rotor and the outer periphery side rotor by rotating at least the inner periphery side rotor or the outer periphery side rotor around the rotational axis. The outer peripheral side rotor is arranged such that a rotational axis thereof is coaxial with a rotational axis of the inner periphery side rotor. The rotating device sets a variable width of the relative phase between the inner periphery side rotor and the outer periphery side rotor within a range of an electrical angle of below 180°. |
| format | Patent |
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The outer peripheral side rotor is arranged such that a rotational axis thereof is coaxial with a rotational axis of the inner periphery side rotor. The rotating device sets a variable width of the relative phase between the inner periphery side rotor and the outer periphery side rotor within a range of an electrical angle of below 180°.</description><language>eng</language><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DYNAMO-ELECTRIC MACHINES ; ELECTRICITY ; GENERATION</subject><creationdate>2009</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=20090804&DB=EPODOC&CC=US&NR=7569970B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090804&DB=EPODOC&CC=US&NR=7569970B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IWATA KAZUYUKI</creatorcontrib><creatorcontrib>FUJIOKA MASATO</creatorcontrib><creatorcontrib>IMAI TOSHITAKA</creatorcontrib><title>Electric motor with multiple rotors in a concentrically circular arrangement around a rotation axis of the electric motor</title><description>An electric motor comprising an inner periphery side rotor provided with inner peripheral permanent magnets with unlike poles, which are disposed alternately along a circumferential direction of the inner periphery side rotor, an outer periphery side rotor provided with outer peripheral permanent magnets with unlike poles, which are disposed alternately along a circumferential direction of the outer periphery side rotor, and a rotating device that varies a relative phase between the inner periphery side rotor and the outer periphery side rotor by rotating at least the inner periphery side rotor or the outer periphery side rotor around the rotational axis. The outer peripheral side rotor is arranged such that a rotational axis thereof is coaxial with a rotational axis of the inner periphery side rotor. The rotating device sets a variable width of the relative phase between the inner periphery side rotor and the outer periphery side rotor within a range of an electrical angle of below 180°.</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>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjbEKwkAQRNNYiPoP-wOCKBrSKhF7tQ7LuTELe7fhboPm772AjZ3VDDNvmHkx1kLOIjvwahrhxdaBH8S4F4I4ZQk4AILT4ChMKIqM4Di6QTACxojhST532esQHhnOQzTWvHtzAm3BOgL6uVoWsxYl0eqriwLO9e10WVOvDaUe8xtZc7-W-0NVlZvjdvcH8gHuuEcx</recordid><startdate>20090804</startdate><enddate>20090804</enddate><creator>IWATA KAZUYUKI</creator><creator>FUJIOKA MASATO</creator><creator>IMAI TOSHITAKA</creator><scope>EVB</scope></search><sort><creationdate>20090804</creationdate><title>Electric motor with multiple rotors in a concentrically circular arrangement around a rotation axis of the electric motor</title><author>IWATA KAZUYUKI ; FUJIOKA MASATO ; IMAI TOSHITAKA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US7569970B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2009</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>IWATA KAZUYUKI</creatorcontrib><creatorcontrib>FUJIOKA MASATO</creatorcontrib><creatorcontrib>IMAI TOSHITAKA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IWATA KAZUYUKI</au><au>FUJIOKA MASATO</au><au>IMAI TOSHITAKA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Electric motor with multiple rotors in a concentrically circular arrangement around a rotation axis of the electric motor</title><date>2009-08-04</date><risdate>2009</risdate><abstract>An electric motor comprising an inner periphery side rotor provided with inner peripheral permanent magnets with unlike poles, which are disposed alternately along a circumferential direction of the inner periphery side rotor, an outer periphery side rotor provided with outer peripheral permanent magnets with unlike poles, which are disposed alternately along a circumferential direction of the outer periphery side rotor, and a rotating device that varies a relative phase between the inner periphery side rotor and the outer periphery side rotor by rotating at least the inner periphery side rotor or the outer periphery side rotor around the rotational axis. The outer peripheral side rotor is arranged such that a rotational axis thereof is coaxial with a rotational axis of the inner periphery side rotor. The rotating device sets a variable width of the relative phase between the inner periphery side rotor and the outer periphery side rotor within a range of an electrical angle of below 180°.</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 | Electric motor with multiple rotors in a concentrically circular arrangement around a rotation axis of the electric motor |
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