Monolithic rotor and rigid coupling
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 4, 2002
Issued Date -
N/A
app pub date -
Jun 8, 2000
filing date -
Aug 11, 1998
priority date (Note) -
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Abstract
A device for pumping molten metal that eliminates rotor bearing members comprises a pump having a pump chamber including a first bearing surface, and a monolithic rotor having a second bearing surface that aligns with the first bearing surface. The second bearing surface is formed of and integral with the material forming the rotor. Preferably a rigid rotor shaft to motor shaft connection is utilized to rigidly center the rotor within the pump chamber and, hence, within the first bearing surface.
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