Marine propulsion – Jet drive
Patent
1989-04-24
1990-06-05
Basinger, Sherman D.
Marine propulsion
Jet drive
440 49, 60221, 416193R, 416 93R, B63H 126
Patent
active
049310267
ABSTRACT:
A jet propulsion engine submergible in water for driving a water craft wherein a drive shaft is connected to an internal combustion engine for rotation thereof. A first turbine is mounted on the drive shaft for rotation therewith for providing a first high velocity stream of water axially through the propulsion engine. A propeller is journalled on the drive shaft adjacent to and downstream of the first turbine for rotation independently of the drive shaft. A second turbine is mounted on the drive shaft adjacent to and downstream of the propeller for rotation therewith for generating a second high velocity stream of water axially through the propulsion engine. The speed of the propulsion engine increases through the effects of the first and second high velocity streams of water for driving the water craft while the propeller becomes less effective until it is rendered free wheeling at cruising speeds of the water craft.
REFERENCES:
patent: 2076428 (1937-04-01), Drudy et al.
patent: 3102506 (1963-09-01), Kiekhaefer
patent: 3598080 (1971-08-01), Shields
patent: 4050849 (1977-09-01), Sheets
patent: 4150301 (1979-04-01), Bergey
patent: 4623299 (1986-11-01), Grim
patent: 4834683 (1989-05-01), Govan
Avila Stephen P.
Basinger Sherman D.
Lindsley Warren F. B.
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