Internal thrust reverser

Details Internal thrust reverser Internal thrust reverser

1975-09-25

1976-07-20

Kunin, Stephen G.

Fluid sprinkling, spraying, and diffusing

Rigid fluid confining distributor

Fluidic oscillator

115 14, 23926531, B63H 1110

Patent

active

039700305

ABSTRACT:
An internal thrust reverser duct is utilized in a waterjet pump design which comprises a center pintle body concentric with an outer housing forming an annular passage thereby downstream of an inducer. To divert the flow upstream of the nozzle plane in this configuration passage, a simple device that does not cause a significant loss in efficiency is required. A nozzle plate is axially moved closer to the pintle which simultaneously diverts the flow into an annularly exposed volute positioned upstream of the movable nozzle. The flow is diverted symmetrically and uniformly into the internal reversing duct. The velocity head is not lost in either of the flow that enters the volute or the flow that continues to pass through the movable nozzle.

REFERENCES:
patent: 2797659 (1957-07-01), Haase et al.
patent: 3266242 (1966-08-01), Aschauer
patent: 3857355 (1974-12-01), Woodfill

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