Multi-phase linear motor with induction coils arranged on an axis perpendicular to the direction of motion
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United States of America Patent
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-
Dec 30, 2003
Grant Date -
Oct 17, 2002
app pub date -
Jun 21, 2001
filing date -
Apr 12, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A multi-phase linear motor includes a number of magnets side by side with multiple phase coils in which alternating currents that are offset by a predetermined value are made to flow. The interaction between the magnets and the phase coils causes a relative linear displacement of magnets with respect to the phase coils. In the linear motor in question, the phase coils lie on an axis that is perpendicular to the direction of motion.
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