STRUCTURE OF INDUCTION MOTOR

PURPOSE:To obtain an induction motor of high output and high accelerating properties by juxtaposing a plurality of rotors between stator lengths over the lengthwise direction of a stator. CONSTITUTION:An output shaft 18 is rotatably journaled by front and rear bearings 22, 24 received in housings 12...

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Bibliographic Details
Main Authors NAKAMURA ATSUO, NUMAI KAZUHISA, HAYASHI YOSHIYUKI, TAKEYA KIYOSHI, KIMIJIMA MASAMI
Format Patent
LanguageEnglish
Published 05.09.1990
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:PURPOSE:To obtain an induction motor of high output and high accelerating properties by juxtaposing a plurality of rotors between stator lengths over the lengthwise direction of a stator. CONSTITUTION:An output shaft 18 is rotatably journaled by front and rear bearings 22, 24 received in housings 12, 14 before and behind a stator 10. Also, rotor elements 20A or 20B equipped with cage bars 32A, 32B are juxtaposed with said shaft 18. Said rotor elements 20A or 20B is received within the length dimension of the stator 10 excepting an end ring 30A or 30B respectively at one end. Then, the rotor elements 20A, 20B function as rotors of an induction motor. That is, in consideration of difficulty in manufacturing one long cage, the rotor is divided into a plurality of rotors and divided respective rotors are juxtaposed to function as one rotor. This, it is possible to display the output and accelerating properties equal to those of an induction motor having one ideal long rotor.
Bibliography:Application Number: JP19890040317