Metal melt circulating drive device and main bath including the same
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United States of America Patent
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-
Mar 21, 2017
Grant Date -
Oct 8, 2015
app pub date -
Mar 31, 2014
filing date -
Apr 23, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A melt circulating drive device mounted on a side wall of a main bath and driven to agitate nonferrous metal melt present in a melt storage room storing nonferrous metal melt of the main bath. The melt circulating drive device includes a melt drive tank, a melt drive unit, and a partition plate. The melt drive tank includes a hermetically-sealed drive chamber including an opening allowing the drive chamber to communicate with the melt storage room, and the melt drive tank stores melt, which flows from the opening, in the drive chamber. The melt drive unit includes a permanent magnet unit rotated about a first up and down axis while making magnetic lines of force up and down pass through the melt, and a drive unit for the permanent magnet unit that rotates the melt, about the first up and down axis by rotationally driving the permanent magnet unit.
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