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Title:
回転電機のアマチュア及びその製造方法
Document Type and Number:
Japanese Patent JP3559172
Kind Code:
B2
Abstract:
A method for manufacturing an armature including securing a core to the shaft having a plurality of slots extending in the axial direction formed on the outer circumferential surface thereof, forming a coil composed of a plurality of coil portions by simultaneously winding wires a plurality of turns around a pair of slots separated by a predetermined number of slots and offsetting each of the coil portions one slot at a time in the circumferential direction of the core, securing a commutator to the shaft having a plurality of segments, adjacent coil portions having a slot along one side thereof, wherein a number of vacant slots between adjacent ones of the coil portions within each of simultaneously-wound coil portion groups is nonuniform, and electronically connecting segments which should have the same electric potential by means of equalizing connectors so that each of pairs of the coil portions that should have the same electric potential has a substantially equal electric potential.

Inventors:
Toshinori Tanaka
Kyohei Yamamoto
Akihiro Ogura
Akihiko Imajo
Yoshio Yoshikuwa
Mitsuyuki Tsumura
Application Number:
JP22631898A
Publication Date:
August 25, 2004
Filing Date:
August 10, 1998
Export Citation:
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Assignee:
Mitsubishi Electric Corporation
International Classes:
H02K3/50; H02K3/28; H02K13/04; (IPC1-7): H02K3/50; H02K13/04
Domestic Patent References:
JP6070524A
JP48051205A
JP58026562A
Attorney, Agent or Firm:
Michiteru Soga
Michiharu Soga
Yutaka Ikeya
Hidetoshi Furukawa
Suzuki Kenchi
Masahisa Hase
Koji Fukui