Rotary kinetic fluid motors or pumps – With cutter or comminutor for debris in working fluid
Patent
1992-05-26
1993-10-26
Kwon, John T.
Rotary kinetic fluid motors or pumps
With cutter or comminutor for debris in working fluid
F04D 2970
Patent
active
052560325
ABSTRACT:
A centrifugal pump has an open impeller with vanes having cutting edges at both the intake side of the pump bowl and the closed side of the bowl. The cutting edges of the vanes cooperate with narrow anvil ribs projecting inward from both sides of the pump bowl such that solid matter in the material being pumped is sliced and chopped inside the bowl. In addition, the intake end plate of the pump has an outer depression or recess with raised anvil ribs extending externally outward and cooperating with an additional external cutter received in the recess.
REFERENCES:
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patent: 3155046 (1964-11-01), Vaughan
patent: 3325107 (1967-06-01), Peterson
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patent: 4842479 (1989-06-01), Dorsch
"General Notes on Adding an Integral Cutter to a Vaughan Cutter Bar in The Field," Vaughan Company, Inc., 1987.
Kwon John T.
Vaugan Co., Inc.
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