Low-profile stepping motor
A low-profile stepping motor is disclosed, which is preferably used in downsized and lower-profiled electronic devices, such as a printer, a facsimile, a floppy disk drive, and the like. The motor comprises a stator assembly composed of first and second stator units (A, B) , and a rotor assembly rot...
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| creator | Matsushita, Kunitake |
| description | A low-profile stepping motor is disclosed, which is preferably used in downsized and lower-profiled electronic devices, such as a printer, a facsimile, a floppy disk drive, and the like. The motor comprises a stator assembly composed of first and second stator units (A, B) , and a rotor assembly rotatably disposes inside the stator assembly. The stator units (A, B) are shaped and structured identically with each other, and each structured such that upper and lower stator yokes , which each have a plurality of pole teeth formed along one side, and which each have an exciting coil disposed toward one side opposite to the one side having the pole teeth, are coupled to each other with their respective pole teeth intermeshing with each other with a shift of 180 degree electrical angle. The stator units (A, B) thus structured are joined to each other such that respective distal pole teeth adjacent to each other are shifted from each other by an electrical angle of either 90 or 270 degrees, and in this way the stator assembly is completed. |
| format | Patent |
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The motor comprises a stator assembly composed of first and second stator units (A, B) , and a rotor assembly rotatably disposes inside the stator assembly. The stator units (A, B) are shaped and structured identically with each other, and each structured such that upper and lower stator yokes , which each have a plurality of pole teeth formed along one side, and which each have an exciting coil disposed toward one side opposite to the one side having the pole teeth, are coupled to each other with their respective pole teeth intermeshing with each other with a shift of 180 degree electrical angle. 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The motor comprises a stator assembly composed of first and second stator units (A, B) , and a rotor assembly rotatably disposes inside the stator assembly. The stator units (A, B) are shaped and structured identically with each other, and each structured such that upper and lower stator yokes , which each have a plurality of pole teeth formed along one side, and which each have an exciting coil disposed toward one side opposite to the one side having the pole teeth, are coupled to each other with their respective pole teeth intermeshing with each other with a shift of 180 degree electrical angle. The stator units (A, B) thus structured are joined to each other such that respective distal pole teeth adjacent to each other are shifted from each other by an electrical angle of either 90 or 270 degrees, and in this way the stator assembly is completed.</description><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2007</creationdate><recordtype>patent</recordtype><sourceid>EFH</sourceid><recordid>eNrjZJDyyS_XLSjKT8vMSVUoLkktKMjMS1fIzS_JL-JhYE1LzClO5YXS3AwKbq4hzh66pcUFiSWpeSXF8elFiSDKwNzQ0tjYxMCYCCUAQJckEA</recordid><startdate>20070320</startdate><enddate>20070320</enddate><creator>Matsushita, Kunitake</creator><scope>EFH</scope></search><sort><creationdate>20070320</creationdate><title>Low-profile stepping motor</title><author>Matsushita, Kunitake</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-uspatents_grants_071933403</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2007</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Matsushita, Kunitake</creatorcontrib><creatorcontrib>Minebea Co., Ltd</creatorcontrib><collection>USPTO Issued Patents</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Matsushita, Kunitake</au><aucorp>Minebea Co., Ltd</aucorp><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Low-profile stepping motor</title><date>2007-03-20</date><risdate>2007</risdate><abstract>A low-profile stepping motor is disclosed, which is preferably used in downsized and lower-profiled electronic devices, such as a printer, a facsimile, a floppy disk drive, and the like. The motor comprises a stator assembly composed of first and second stator units (A, B) , and a rotor assembly rotatably disposes inside the stator assembly. The stator units (A, B) are shaped and structured identically with each other, and each structured such that upper and lower stator yokes , which each have a plurality of pole teeth formed along one side, and which each have an exciting coil disposed toward one side opposite to the one side having the pole teeth, are coupled to each other with their respective pole teeth intermeshing with each other with a shift of 180 degree electrical angle. The stator units (A, B) thus structured are joined to each other such that respective distal pole teeth adjacent to each other are shifted from each other by an electrical angle of either 90 or 270 degrees, and in this way the stator assembly is completed.</abstract><oa>free_for_read</oa></addata></record> |
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| title | Low-profile stepping motor |
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