Method of altering an axial impeller/stator vane combination

Details Method of altering an axial impeller/stator vane combination Method of altering an axial impeller/stator vane combination

1978-05-02

1979-09-04

Culver, Horace M.

Metal working

Impeller making apparatus

291564R, 291568R, 29404, B21H 716

Patent

active

041663101

ABSTRACT:
Axial impellers for waterjet pumps, for example, require for each horsepower level a different stator vane housing in order to avoid stator vane cavitation damage. The invention allows the use of one stator housing for a wide horsepower range at constant speed by holding the ratio of impeller discharge flow coefficient over head coefficient constant.

REFERENCES:
patent: 2831434 (1958-04-01), Paashaus
patent: 2946288 (1960-07-01), Carter, Jr. et al.
patent: 3286641 (1966-11-01), Delao et al.
patent: 3543368 (1970-12-01), Marlow
patent: 3664001 (1972-05-01), Pilarczyk
patent: 3704500 (1972-12-01), Okamoto

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