Fluidic controlled diffusers for turbopumps

Details Fluidic controlled diffusers for turbopumps Fluidic controlled diffusers for turbopumps

1979-02-27

1980-10-21

Basinger, Sherman D.

Ships

Building

Antifriction surfaces

180118, 415 48, 415115, 415211, 415DIG1, B63B 138, F03B 318, F04D 2968

Patent

active

042287537

ABSTRACT:
An arrangement for controlling the apparent curvature of diffuser vanes of turbine fan to reduce stalling of the vanes and increase efficiency of the fan output over a wider range of flow demand. Sensors responsive to pressure on opposite sides of the vanes selectively control the discharge of pressurized fluid from the diffuser vanes to effect their apparent curvature changes. The arrangement has particular use in a ride control system for surface effect ships.

REFERENCES:
patent: 2084463 (1937-06-01), Stalker
patent: 2920813 (1960-01-01), Goldschmied
patent: 3016213 (1962-01-01), Griswold
patent: 3237850 (1966-03-01), Troller
patent: 3424266 (1969-01-01), Cockerell
patent: 3446224 (1969-05-01), Zwicky, Jr.
patent: 3889775 (1967-06-01), Luscher
patent: 3941335 (1976-03-01), Viets

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