Rotary kinetic fluid motors or pumps – With cutter or comminutor for debris in working fluid
Reexamination Certificate
2006-10-10
2006-10-10
Nguyen, Ninh H. (Department: 3745)
Rotary kinetic fluid motors or pumps
With cutter or comminutor for debris in working fluid
C415S121200
Reexamination Certificate
active
07118327
ABSTRACT:
A pump impeller and associated cutting elements are disclosed which are especially designed and positioned near the periphery of the impeller to reduce the size of entrained solids in a pumped fluid, or slurry, and to expel such solids from the impeller, drive shaft and associated sealing mechanisms.
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Doering Brandon R.
Harmon James C.
EnviroTech Pumpsystems, Inc.
Morriss O'Bryant Compagni P.C.
Nguyen Ninh H.
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