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Patent Searching and Data


Title:
回転電機の製造方法
Document Type and Number:
Japanese Patent JP3982446
Kind Code:
B2
Abstract:
Disclosed is an electric rotating machine comprising a rotor (6) having N and S poles, a stator (8) including an annular stator core (16) and slots (15), and multiple-phase stator windings (17) embedded in the slots; wherein the stator windings are formed by winding continuous wires (19) such that straight parts of the stator windings pressed in a flat shape are wound in rings around a cylindrical member (30) provided with grooves (29). The cylindrical member is inserted into a bore defined by the annular stator core so that the grooves of the cylindrical member are arranged opposite to the slots. The sets of the windings are folded back alternately outside the slots of the stator core and are wound such that the sets of the windings are embedded alternately in the direction of the depth of the slots. Leading and trailing ends of the continuous wires are superposed after being wound at least one turn around the circumferentially arranged slots of the stator.

Inventors:
Toshiaki Ueda
Yoshimi Mori
Masatake Okamura
Sakae Ishida
Toshinori Watanabe
Application Number:
JP2003110978A
Publication Date:
September 26, 2007
Filing Date:
April 16, 2003
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
H02K1/16; H02K3/04; H02K15/085; H02K3/48; H02K3/493; H02K15/00; H02K15/04; H02K15/06
Domestic Patent References:
JP2002176752A
JP55094567A
JP2001211584A
JP7264790A
JP2000139051A
Attorney, Agent or Firm:
Manabu Inoue