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US Patent 7291956 Laminate coil and brushless motor using same

Patent 7291956 was granted and assigned to Hitachi on November, 2007 by the United States Patent and Trademark Office.

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Is a
Patent
Patent
1

Patent attributes

Current Assignee
Hitachi
Hitachi
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
72919561
Patent Inventor Names
Hiroyuki Itoh1
Tadaaki Hourai1
Date of Patent
November 6, 2007
1
Patent Application Number
105238221
Date Filed
August 7, 2003
1
Patent Citations Received
‌
US Patent 11909290 Electromagnetic drive device and operation device
2
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US Patent 11710995 Axial field rotary energy device with segmented PCB stator having thermally conductive layer
3
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US Patent 11757323 Axial flux permanent magnet motor/generator
‌
US Patent 11777354 Axial field rotary energy device having PCB stator with non-linear traces
‌
US Patent 11881751 System and apparatus for segmented axial field rotary energy device
4
Patent Primary Examiner
‌
Dang Le
1
Patent abstract

A laminate coil for an integral n-phase motor (n is a natural number of 2 or more) having pluralities of coil poles formed by patterned conductor coils formed in a laminate constituted by pluralities of insulating layers, the laminate coil comprising input and output terminals formed on an outer surface of the laminate, a first connecting line connecting the input terminal to the coil poles, and second connecting lines series-connecting coil poles having the same polarity, the first and second connecting lines being formed by conductor patterns, and the coil poles being formed on pluralities of insulating layers sandwiched by the first and second connecting lines.

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