Two-or three-phase polyphase motor with R pairs of poles and a stator with S trapeziodal shaped poles
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United States of America Patent
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Oct 14, 2014
Grant Date -
Jan 6, 2005
app pub date -
Sep 25, 2002
filing date -
Sep 25, 2001
priority date (Note) -
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Abstract
The invention concerns a polyphase motor comprising M phases, M being equal to 2 or 3, the motor consisting of a stator part (1) excited by electric coils and by a magnetized rotor (2). The invention is characterized in that the rotor (2) has a disc-shaped magnetized part with R pairs of alternately poles magnetized in alternating directions in the thickness, R being equal to n*(M+1) or 5*n, and said stator part (1) has S poles, some of which excited at least by an electric coil, S being equal to 8*n, for even M, and 9*n for odd M, n being an integer not less than 1.
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