Armature, motor and compressor and methods of manufacturing the same
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United States of America Patent
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Aug 17, 2010
Grant Date -
Jan 15, 2009
app pub date -
Dec 19, 2005
filing date -
Jan 18, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An armature including magnetic cores arranged on a surface of a plate, coils provided around the magnetic cores, and a magnetic material plate having a plurality of first magnetic members is characterized in that the magnetic material plate is attached to a surface on the opposite side to a surface where the magnetic cores and the plate come in contact, a gap is provided between each of the first magnetic members adjacent to each other, and the area of a surface where the first magnetic members come in contact with the magnetic cores is larger than the area of a surface where the magnetic cores come in contact with the first magnetic members.
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