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:
Feb. 09, 1982
Filed:
May. 05, 1980
Itsuki Ban, Higashi-Oizumimachi, Nerima-ku, Tokyo, JP;
Manabu Shiraki, Shimotsuruma, Yamato-shi, Kanagawa-ken, JP;
Kazuhito Egami, Chuo, Nakano-ku, Tokyo, JP;
Other;
Abstract
A direct current motor is provided with a field magnet having l(2m+2n) alternating N and S poles (l and m being positive integers of one or more and n being a positive integer of two or more) that are magnetized within segments of equiangular width about the field magnet, a magnetic-material member for closing the magnetic path of the field magnet, and an armature having 2ln armature windings distributed thereon in a non-superposed manner with respect to each other and in a face-to-face relationship with respect to the field magnet poles, each winding having an angular spacing between those conductor portions thereof that contribute to the generation of the torque that is equal to the angular width of a field magnet pole.