Selfpriming centrifugal pump

Details Selfpriming centrifugal pump Selfpriming centrifugal pump

1988-04-14

1989-07-04

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Pump priming means

415 563, 4152082, F04D 902

Patent

active

048446874

ABSTRACT:
The invention is directed to a selfpriming centrifugal pump having a symmetrical annular guide channel with a centrally mounted cover disc. A pair of guide ribs improve the loading of the impeller and increase the capacity for drawing air by suction. The guide rib pair is mounted in the annular guide channel. Each guide rib includes an injection rib and a separation rib. The ribs preferably have a width corresponding to the width of the annular guide channel and are arranged on a secant drawn through the circular peripheral band defined by the outer tips of the vanes of the impeller as the latter rotates.

REFERENCES:
patent: 2247817 (1941-07-01), McMahan
patent: 2461925 (1946-09-01), Rupp
patent: 2945448 (1960-07-01), Frederick
patent: 3103177 (1963-09-01), Gatto et al.
patent: 3873231 (1975-03-01), Callahan
patent: 4401409 (1983-08-01), Torbica et al.
"Die Pumpen" by Fuchslocher/Schulz, 1963, pp. 187 to 189, Springer-Verlag, Berlin/Gottingen/Heidelberg.
"Stromungsmaschinen" by Pfleiderer/Petermann, 1972, pp. 316 to 319, Springer-Verlag Berlin Heidelberg, New York.

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