Rotary kinetic fluid motors or pumps – With lubricating – sealing – packing or bearing means having...
Patent
1997-07-03
1999-09-14
Verdier, Christopher
Rotary kinetic fluid motors or pumps
With lubricating, sealing, packing or bearing means having...
4151701, 4151731, 415200, 416174, 416244R, F04D 706
Patent
active
059512431
ABSTRACT:
A system and device for pumping molten metal that reduces bearing member fractures comprises a pump having a pump chamber including a first bearing surface, a rotor having a second bearing surface that aligns with the first bearing surface. The second bearing surface is formed by a plurality of spaced bearing pins attached to the rotor. Each bearing pin has an outer surface preferably substantially flush with the outer perimeter of the rotor. The pins are comprised of a heat resistent material that is harder than the material comprising the rotor.
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Communication relating to the results of the Partial International search report for PCT/US97/22440 dated May 13, 1998.
Rogers David E.
Verdier Christopher
LandOfFree
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