Polyphase electric motor especially for driving pumps or ventilators
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United States of America Patent
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Jan 24, 2012
Grant Date -
Jul 9, 2009
app pub date -
Mar 28, 2007
filing date -
Mar 30, 2006
priority date (Note) -
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Abstract
A polyphase motor, for example for applications for driving pumps or ventilators in the automobile industry, including a stator part excited by electric coils and a rotor exhibiting N pairs of poles that are magnetized radially in alternate senses, the stator part exhibiting wide teeth and narrow teeth extending radially from an annular ring. The wide teeth carry the coil windings and the distance between a wide tooth and a narrow tooth is greater than the width of a narrow tooth.
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