Moving magnet-type actuator
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United States of America Patent
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Jul 18, 1995
Grant Date -
N/A
app pub date -
Jul 20, 1993
filing date -
Jul 20, 1992
priority date (Note) -
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Abstract
In a moving magnet type actuator, a magnet moving body including at least two permanent magnets of which same poles are confronting each other and an intermediate magnetic substance. The magnet moving body is movably arranged inside at least three coils. The at least three coils are connected so that current flows in different directions with a zone between the permanent magnets as a boundary. Whereby thrust and efficiency of the moving magnet type actuator is improved.
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