Bearing arrangement for molten aluminum pumps
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United States of America Patent
Stats
-
Nov 11, 1997
Grant Date -
N/A
app pub date -
Jun 1, 1995
filing date -
Jun 1, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A molten aluminum pump comprised of an impeller attached to a vertical rotary shaft, the shaft forming a connecting portion between a motor and the impeller and being comprised of a refractory material without a radial bearing surface. The impeller is housed within a pumping chamber of a base member wherein rotation of the shaft and impeller draws molten aluminum into the chamber and forces the molten aluminum through an outlet in the chamber. The motor is secured to the shaft with a rigid coupling and at least one bearing journaling the coupling.
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