Partial throat diffuser

Details Partial throat diffuser Partial throat diffuser

1989-11-01

1991-11-12

Kwon, John T.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Radial flow casing having vaneless annulus diffuser

4152083, 4152112, 415914, F04D 2944

Patent

active

050643444

ABSTRACT:
A centrifugal fluid handling apparatus such as, for example, a centrifugal fuel pump for, for example, an aircraft engine, which includes a impeller rotatably mounted in a housing, with an annular diffuser ring being disposed about a periphery of the impeller. The annular diffuser ring includes at least one passage for discharging a fluid from the impeller, and a passive control is provided in a diffuser throat of the at least one passage at an entrance area thereof for providing a stabilized fluid discharge pressure through the at least one passage throughout an entire flow range of the fuel pump.

REFERENCES:
patent: 1998784 (1935-04-01), Mock
patent: 2471174 (1949-05-01), Trumpler
patent: 3010642 (1961-11-01), Dickmann et al.
patent: 3289921 (1966-12-01), Soo
patent: 3625630 (1971-12-01), Soo
patent: 3658437 (1972-04-01), Soo
patent: 4844692 (1989-07-01), Minkkinen et al.
patent: 4888417 (1989-12-01), Remstad et al.

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