Pump having a single or a plurality of helical blades

Details Pump having a single or a plurality of helical blades Pump having a single or a plurality of helical blades

1994-10-17

1996-01-30

Kwon, John T.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing with axial flow runner

4151821, 415206, 415 71, F01D 900

Patent

active

054876443

ABSTRACT:
A vertical pump (1) having a single or plurality of helical blades (10, 11, 12) mounted on a forward end of a rotary drive shaft (2) of the pump. The pump is of nonblocked type in which the helical blade or blades (10, 11, 12) are disposed with superior balance with respect to the rotary drive shaft (2), and is wide in flow passage between blade portions of the helical blades. The pump is particularly suitable for sewage treatment or the like.

REFERENCES:
patent: 3010402 (1961-11-01), King
patent: 3148464 (1964-09-01), Jones
patent: 3156190 (1964-11-01), Stable
patent: 3163119 (1964-12-01), Huppert
patent: 3560106 (1971-02-01), Sshlstrom
patent: 3771900 (1973-11-01), Baehr
patent: 4063849 (1977-12-01), Modianos
patent: 4193737 (1980-03-01), Lemmon
patent: 4648796 (1987-03-01), Maghenzani
patent: 4688991 (1987-08-01), Howard
patent: 4792282 (1988-12-01), Jordan
"Die Pumpen in Meerwasserentsalzungsanlagen nach dem Mehrstufigen Entspannungsverdampfungs-Verfahren", vol. 113, No. 4, Mar. 1971, Manfred Lenhard.

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