Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1997-03-11
1998-06-23
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310257, 310 49R, 310 89, H02K 2114
Patent
active
057709050
ABSTRACT:
A shield plate for preventing the leakage of a magnetic flux and for reducing acoustic/electromagnetic noise leaking out from the interior of the motor is arranged so as to cover the corresponding end surface of an armature. The inner diameter of the shield plate is made smaller than the outer diameter of a rotor in order to prevent the rotor from being detached from a stator assembly.
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Patent Abstracts of Japan, vol. 018, No. 073 (E-1503), 7 Feb. 1994 and JP 05-284710 A (Mitsubishi Electric Corp.), 29 Oct. 1993--Abstract Only.
T. Kenjo; "Stepping Motors and Their Microprocessor Controls"; 1984; pp. 40-45; Oxford Science Publications; Monographs in Electrical and Electronic Engineering 16.
Fujitani Sakae
Ishii Takashi
Suzuki Yuzuru
Minebea Co. Ltd.
Mullins B.
Stephan Steven L.
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