Anti-vortex pintle

Details Anti-vortex pintle Anti-vortex pintle

1977-03-15

1978-10-17

Husar, C. J.

Power plants

Reaction motor

Motive fluid principally liquid

115 16, 415209, 415 72, 415215, B63H 1100

Patent

active

041201523

ABSTRACT:
In high velocity pumps such as waterjet pumps, flow leaving the rotor is guided to a smaller discharge diameter by a stator-nozzle combination. To achieve maximum thrust efficiency, the whirl component of velocity must be eliminated at the nozzle exit. Two or more low profile, substantially straight guide vanes are added to the pintle body to destroy any potential whirl component of velocity leaving the stator before being discharged in the exiting stream of water.

REFERENCES:
patent: 3030909 (1962-04-01), Barnes et al.
patent: 3306046 (1967-02-01), Trapp
patent: 3328961 (1967-07-01), Aschauer
patent: 3405526 (1968-10-01), Aschauer
patent: 3849982 (1974-11-01), Hall
patent: 3951565 (1976-04-01), Rothe et al.
patent: 3977353 (1976-08-01), Toyama

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