The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 1982
Filed:
Jul. 09, 1979
Kanemasa Aoki, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Seiki Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention relates to a miniature rotary electric machine and more particularly to a coreless type of rotary electric machine. The coreless rotary electric machine includes a rotor coil formed as a coil body in a form of cup with its one end being open. The coil body has, on its circumference, a coil part wound with a predetermined inclination. An end connection wire part is provided to make a connection between adjacent windings only at the one side end of the inclined coil part so that each two adjacent windings of the inclined coil part are connected each other successively by the end connection wire part. According to a feature of the present invention, the inclined coil part and the end connection wire part are formed by coil assembly portions each comprising a plural number of groups of windings turned at the same position in layers with the same number of turns. The coil assembly portions form together a coil assembly of large winding capacity.