Impeller for turbo pump for water jet propulsion machinery, and

Details Impeller for turbo pump for water jet propulsion machinery, and Impeller for turbo pump for water jet propulsion machinery, and

1991-08-15

1992-04-28

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

415183, 416188, 416223B, F04D 2922, F04D 2944

Patent

active

051082578

ABSTRACT:
A turbo pump is provided with an impeller having a volute casing for a diffuser type casing. The configuration of a meridian section of the impeller shroud at the side of a boss is made as a concave arch-like surface of revolution. The shroud at the side of the blade inlet is cylindrical and substantially parallel to the shaft about which the impeller turns. Each of the blades of the impeller is so shaped that the edge of the blade inlet projects toward the impeller eye and is smoothly connected to the surface of the shroud. The inlet angle of the blade is as small as possible.

REFERENCES:
patent: 1795588 (1931-03-01), Wilson
patent: 2446879 (1948-08-01), Kennedy
patent: 2941780 (1960-06-01), Von Der Nuell et al.
patent: 3013501 (1961-12-01), Ygge
patent: 3187708 (1965-06-01), Fox
patent: 3306046 (1967-02-01), Trapp
patent: 3635579 (1972-01-01), Wood
patent: 3644056 (1972-02-01), Wiselius
patent: 3737249 (1973-06-01), Cooper
patent: 3904306 (1975-09-01), Navelsaker
patent: 4708585 (1987-11-01), Fukazawa et al.

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