SPIRAL COIL
PROBLEM TO BE SOLVED: To provide a spiral coil which is manufactured at a low cost and reduces the high-frequency loss resulting from the eddy current loss. SOLUTION: A braided wire having a flatly crushed shape wherein strands is insulated, or a plain stitch wire wherein strands is insulated, is wo...
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| creator | KO YOSHIO FUJIOKA JUNICHI MARUYAMA KAZUMASA IKEDA CHISATO |
| description | PROBLEM TO BE SOLVED: To provide a spiral coil which is manufactured at a low cost and reduces the high-frequency loss resulting from the eddy current loss. SOLUTION: A braided wire having a flatly crushed shape wherein strands is insulated, or a plain stitch wire wherein strands is insulated, is wound in such a direction that the surfaces of the longer side are superimposed, or is spirally wound in such a direction that the surfaces of the shorter side are superimposed to constitute the spiral coil. In this case, because an ordinary braided wire or an ordinary plain stitch wire is used, it is manufactured at a low cost and the high-frequency loss is reduced. The spiral coil, which is wound in such a direction that the surfaces of the longer side are superimposed, has more windings with respect to the same coil diameter than that in the round wire case. The spiral coil, which is wound in such a direction that the surfaces of the shorter side are superimposed, has a coil thickness thinner than that in the case wherein a round wire of the same cross-sectional area is used. COPYRIGHT: (C)2009,JPO&INPIT |
| format | Patent |
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SOLUTION: A braided wire having a flatly crushed shape wherein strands is insulated, or a plain stitch wire wherein strands is insulated, is wound in such a direction that the surfaces of the longer side are superimposed, or is spirally wound in such a direction that the surfaces of the shorter side are superimposed to constitute the spiral coil. In this case, because an ordinary braided wire or an ordinary plain stitch wire is used, it is manufactured at a low cost and the high-frequency loss is reduced. The spiral coil, which is wound in such a direction that the surfaces of the longer side are superimposed, has more windings with respect to the same coil diameter than that in the round wire case. The spiral coil, which is wound in such a direction that the surfaces of the shorter side are superimposed, has a coil thickness thinner than that in the case wherein a round wire of the same cross-sectional area is used. 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COPYRIGHT: (C)2009,JPO&INPIT</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>ELECTRIC HEATING</subject><subject>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>INDUCTANCES</subject><subject>MAGNETS</subject><subject>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</subject><subject>TRANSFORMERS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOAODvAMcvRRcPb39OFhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGBpYGZiYWpmaOxkQpAgClORyI</recordid><startdate>20090326</startdate><enddate>20090326</enddate><creator>KO YOSHIO</creator><creator>FUJIOKA JUNICHI</creator><creator>MARUYAMA KAZUMASA</creator><creator>IKEDA CHISATO</creator><scope>EVB</scope></search><sort><creationdate>20090326</creationdate><title>SPIRAL COIL</title><author>KO YOSHIO ; FUJIOKA JUNICHI ; MARUYAMA KAZUMASA ; IKEDA CHISATO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2009064856A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2009</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>ELECTRIC HEATING</topic><topic>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>INDUCTANCES</topic><topic>MAGNETS</topic><topic>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</topic><topic>TRANSFORMERS</topic><toplevel>online_resources</toplevel><creatorcontrib>KO YOSHIO</creatorcontrib><creatorcontrib>FUJIOKA JUNICHI</creatorcontrib><creatorcontrib>MARUYAMA KAZUMASA</creatorcontrib><creatorcontrib>IKEDA CHISATO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KO YOSHIO</au><au>FUJIOKA JUNICHI</au><au>MARUYAMA KAZUMASA</au><au>IKEDA CHISATO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SPIRAL COIL</title><date>2009-03-26</date><risdate>2009</risdate><abstract>PROBLEM TO BE SOLVED: To provide a spiral coil which is manufactured at a low cost and reduces the high-frequency loss resulting from the eddy current loss. SOLUTION: A braided wire having a flatly crushed shape wherein strands is insulated, or a plain stitch wire wherein strands is insulated, is wound in such a direction that the surfaces of the longer side are superimposed, or is spirally wound in such a direction that the surfaces of the shorter side are superimposed to constitute the spiral coil. In this case, because an ordinary braided wire or an ordinary plain stitch wire is used, it is manufactured at a low cost and the high-frequency loss is reduced. The spiral coil, which is wound in such a direction that the surfaces of the longer side are superimposed, has more windings with respect to the same coil diameter than that in the round wire case. The spiral coil, which is wound in such a direction that the surfaces of the shorter side are superimposed, has a coil thickness thinner than that in the case wherein a round wire of the same cross-sectional area is used. COPYRIGHT: (C)2009,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INDUCTANCES MAGNETS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS |
| title | SPIRAL COIL |
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