Non-contact power supply device and method for conveyor carriage
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United States of America Patent
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-
Jul 18, 2000
Grant Date -
N/A
app pub date -
Sep 4, 1997
filing date -
Sep 5, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for feeding electric power to a movable body in a non-contact manner. Power lines on which electric power is transmitted are laid on a guide rail. The movable body is powered by the electric power from the power lines. A plurality of pick-up coils are positioned in the movable body for generating induced electromotive force as a drive voltage according to the electric power. The plurality of coils generate different voltages. A motor and a controller are connected to the coils. A motor is driven by a high voltage while the controller is driven by a low voltage.
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