Rotary kinetic fluid motors or pumps – Axially opposed working fluid paths to or from runner – Plural – separate – parallel – simultaneous flow paths
Reexamination Certificate
2005-09-08
2008-10-28
Kershteyn, Igor (Department: 3745)
Rotary kinetic fluid motors or pumps
Axially opposed working fluid paths to or from runner
Plural, separate, parallel, simultaneous flow paths
C415S200000, C415S214100, C417S423300
Reexamination Certificate
active
07442003
ABSTRACT:
A centrifugal pump is provided for use with fluids, gases, and solids in connection with a drive shaft and a motor. The pump has a housing and at least a 30 degree sloped impeller mounted on the shaft within the housing. The housing has opposing inlet means on each side of the impeller and a discharge outlet. The impeller can be constructed as split through its center with an associated split housing or being an integral part.
REFERENCES:
patent: 5122032 (1992-06-01), Shields et al.
Fast Flow LLC
John Lezdey & Associates
Kershteyn Igor
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