Motor and fan device using the same

The present invention provides a motor which includes a stator including a plurality of one-phase stators composed of a pair of stator cores having claw-type teeth and a coil for generating magnetic flux at the claw-type teeth, and a rotor for generating torque at a rotary shaft, wherein the stator...

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Main Authors Masaki, Ryoso, Enomoto, Yuji, Ito, Motoya, Amano, Hisato, Morinaga, Shigeki, Yamazaki, Katsuyuki, Ebine, Kazuhide
Format Patent
LanguageEnglish
Published 21.06.2011
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Abstract The present invention provides a motor which includes a stator including a plurality of one-phase stators composed of a pair of stator cores having claw-type teeth and a coil for generating magnetic flux at the claw-type teeth, and a rotor for generating torque at a rotary shaft, wherein the stator core includes a plurality of split cores having the same shape, and the split cores are formed to have a recessed portion and a projected portion to be fitted in the recessed portion. Thereby, by using a plurality of the split cores having the same shape, one stator core is formed. On this occasion, the shape of the split cores is molded so that the recessed portion and the projected portion of one stator core are disposed at positions at which those are fitted to the projected portion and the recessed portion of the opposing stator core, respectively.
AbstractList The present invention provides a motor which includes a stator including a plurality of one-phase stators composed of a pair of stator cores having claw-type teeth and a coil for generating magnetic flux at the claw-type teeth, and a rotor for generating torque at a rotary shaft, wherein the stator core includes a plurality of split cores having the same shape, and the split cores are formed to have a recessed portion and a projected portion to be fitted in the recessed portion. Thereby, by using a plurality of the split cores having the same shape, one stator core is formed. On this occasion, the shape of the split cores is molded so that the recessed portion and the projected portion of one stator core are disposed at positions at which those are fitted to the projected portion and the recessed portion of the opposing stator core, respectively.
Author Ito, Motoya
Morinaga, Shigeki
Ebine, Kazuhide
Masaki, Ryoso
Amano, Hisato
Enomoto, Yuji
Yamazaki, Katsuyuki
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References Office Action in German Patent Appln. 10 2007 038 416.7-32, dated Feb. 22, 2011; includes English language translation.
(2003-513599) 20030400
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Lange (5773910) 19980600
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Asao (6157111) 20001200
Ward et al. (2002/0070627) 20020600
Gianni et al. (6492758) 20021200
Office Action in CN 200710146506.3-dated Sep. 11, 2009; (6 pgs., in Chinese); English language translation (3 pgs).
(2001-161054) 20010600
(WO2004/008605) 20040100
(WO 01/31766) 20010500
(20115258) 20010900
(2378047) 20030100
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Title Motor and fan device using the same
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