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公开(公告)号：EP0009102B1
公开(公告)日：1983-04-20
申请号：EP79102749.3
申请日：1979-08-01
发明人： Toida, Ryuji , Sakai, Yuji , Ikegami, Mitsuru
CPC分类号： G01D5/2046 , G08C19/40 , H02K24/00
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公开(公告)号：EP0009102A1
公开(公告)日：1980-04-02
申请号：EP79102749.3
申请日：1979-08-01
发明人： Toida, Ryuji , Sakai, Yuji , Ikegami, Mitsuru
CPC分类号： G01D5/2046 , G08C19/40 , H02K24/00
摘要： A multipolar resolver having a substantially cylindrical rotor of magnetic material with A· n rotor poles (12, B 1 -B 10 ) provided equidistantly on the outer periphery thereof, a stator of magnetic material with B n stator poles (P 1 -P 8 ) provided equidistantly along the circumference concentric with the axis of said rotor, and a central coil (15) provided on said stator along substantially the same axis as said rotor axis.
A, B and n are positive integers and the value of A differs from the value of B by one such that |A-B| = 1.
In order to provide a multipolar resolver which requires no coils on the rotor and which permits an increase in the number of poles of the resolver without a corresponding increase in complexity and manufacturing cost, sine and cosine coils (16, S 1 -S 4 ; 17, C 1 -C 4 ) are wound alternately on circumferentially successive ones of the stator poles (P 2 , P 4 , P 6 , P e ; P 1 , P 3 , P 5 , P 7 ). Circumferentially successive ones of the sine coils (16, S 1 -S 4 ) are connected in series with each other and are wound in opposite directions of winding alternately and circumferentially successive ones of said cosine coils (17, C 1 -C 4 ) are connected in series with each other and wound in opposite directions of winding alternately.
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