Cylinder-like electromagnetic motor
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United States of America Patent
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N/A
Issued Date -
May 17, 2007
app pub date -
Nov 14, 2005
filing date -
Nov 14, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A cylinder-like electromagnetic motor of the present invention includes a base having a closed-bottom central hole; a cover connected to the top of the base; a spring piece located between the cover and the top of the base; a holder movably received in the central hole of the base; a magnetic element fitted to a bottom of the central hole of the base to locate below the holder; and an electromagnetic element fitted below the magnetic element. When a current is supplied to the electromagnetic element to produce an electromagnetic field, the magnet element and the electromagnetic element mutually repulse or attract to produce a push force against the holder to move the holder forward. When the current is cut off, the electromagnetic field vanishes and the spring piece elastically pushes the holder backward to an initial position in the base.
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