Series waterjet propulsion pumps for marine vehicles

Details Series waterjet propulsion pumps for marine vehicles Series waterjet propulsion pumps for marine vehicles

1976-02-20

1976-10-12

Blix, Trygve M.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural distributing means immediately upstream of runner

60222, 60229, 115 11, 115 16, 415145, 417 62, 417247, B63H 1108

Patent

active

039850943

ABSTRACT:
A waterjet propulsion system having at least two pumps in series so that low from a hull or other intake is directed through a first waterjet propulsion pump; and then via a two-position diverter valve, either out to a thrust nozzle, or to and through a second waterjet propulsion pump having a thrust nozzle. Subsequent series-pump units and diverter valves may follow to provide as many propulsion stages as required for power requirements. Each pump unit is driven by its own power unit which may be shut down when flow is diverted to the preceding unit's thrust nozzle. Good efficiencies are thereby attained over a wide range of power and speed requirements.

REFERENCES:
patent: 2730065 (1956-01-01), Piper
patent: 3285214 (1966-11-01), Patton
patent: 3531214 (1970-09-01), Abramson
patent: 3602611 (1971-08-01), Oplander
patent: 3763818 (1973-10-01), Davis

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