Variable reluctance resolver and method of producing the variable reluctance resolver
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United States of America Patent
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Mar 24, 2015
Grant Date -
Nov 17, 2011
app pub date -
May 10, 2011
filing date -
May 13, 2010
priority date (Note) -
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Abstract
A variable reluctance resolver includes a rotor that rotates about a rotational axis, a plurality of detection coils that detect rotation of the rotor, and a magnetic member that magnetically connects adjacent ones of the detection coils to each other. The magnetic member includes a pair of body portions around which the detection coils are wound, and a connection portion that connects the pair of body portions to each other. Both the body portions and the connection portion have a thin flat shape. The body portions are flat so that a direction of extension of the flat shape is along a rotational axis direction, and the magnetic member has a U shape as viewed from the rotational axis direction.
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