Vane pump

Rotary kinetic fluid motors or pumps – Runner has spirally arranged blade or fluid passage – Extending along runner axis

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Details

415143, F04D 302

Patent

active

044261900

ABSTRACT:
The pump comprises a housing (1) in which are installed with a radial clearance an axial-flow suction wheel (5) and an axial-flow impeller wheel (6), which wheels are mounted on a common drive shaft (4) one after the other in the direction of flow. The inside diameter of the pump housing (1) in the zone of the suction wheel (5) decreases in the direction of flow. The inside diameter of the pump housing at the entry to the suction wheel (5) is calculated from the formula:

REFERENCES:
patent: 2407748 (1946-09-01), Schmidt
patent: 3163119 (1964-12-01), Huppert et al.
patent: 3299821 (1967-01-01), Silvern
patent: 3384022 (1968-05-01), Oshima
patent: 3723019 (1973-03-01), Berman
patent: 4150916 (1979-04-01), Tsutsui et al.
patent: 4275988 (1981-06-01), Kalashnikov et al.
"High-Speed Impeller Pumps," edited by B. V. Ovsyannikov, Dr. Techn. Sci., and V. F. Chebayevski, Dr. Techn. Sci., Moscow Mashinostroyeniya (Mechanical Engineering) Publishers, 1975.
Transactions of the ASME, Series D, Journal of Basic Engineering, vol. 84, Series D, No. 3, Sep. 1962.
Centrifugal and Axial Flow Pumps, by A. J. Stepanoff, 2nd Ed., John Wiley & Sons, Inc., pp. 148-153.

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