Axial gap electric rotary machine
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United States of America Patent
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Issued Date -
Aug 18, 2005
app pub date -
Nov 9, 2004
filing date -
Nov 10, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An axial gap electric rotary machine includes a rotor and a stator which face each other with an axial gap therebetween. The rotor includes permanent magnets which are arranged with their magnetic poles spaced around the circumference of the rotor, with the magnetic poles of adjacent permanent magnets being opposite each other. The permanent magnets and rotor cores are alternately arranged around the circumference of the rotor. Consequently, north poles and south poles are alternately formed at a surface of the rotor facing the stator, and reluctance of a magnetic path which passes through a permanent magnet is larger than reluctance of a magnetic path which does not pass through the permanent magnet, whereby the functions of a reluctance type rotary machine and a permanent magnet synchronous machine are combined in a compact structure.
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