Marine propulsion – Jet drive
Patent
1990-10-19
1993-01-26
Basinger, Sherman
Marine propulsion
Jet drive
440 67, 416177, B63H 1100
Patent
active
051818680
ABSTRACT:
A jet propulsion drive element is disclosed for the increasing of the power yield of jet engines, in particular for watercraft, employing a rotary-driven jet propulsion pipe (11). A thrust propulsion element is disposed at the inner jacket of the jet propulsion pipe (11), covers an outer annular face (A), and is formed as a screw (17). The outer edge of the screw (17) is connected to the inner jacket of the jet propulsion pipe (11). The edge screw (17) is furnished with a through borehole, such that a part of the fluid entering into the jet propulsion pipe (11) is not directly accelerated by the edge screw (17). In addition, drive elements such as a screw propeller (18) can be furnished at the outer jacket of the jet propulsion pipe (11). The invention structure can be employed also for circulating pumps in addition to applications in aircrafts.
REFERENCES:
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patent: 2997015 (1961-08-01), Richter
patent: 3011561 (1961-12-01), Wagener
patent: 3598080 (1971-08-01), Shields
patent: 3804553 (1974-04-01), Hickey, Jr.
patent: 3914629 (1975-10-01), Gardiner
patent: 3977353 (1976-08-01), Toyama
Basinger Sherman
Kasper Horst M.
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