Marine propulsion – Jet drive – Having means to increase fluid drive means efficiency
Patent
1988-03-23
1989-04-25
Basinger, Sherman D.
Marine propulsion
Jet drive
Having means to increase fluid drive means efficiency
440 89, B63H 1102
Patent
active
048244090
ABSTRACT:
A boat having an internal combustion engine with an exhaust pipe comprises a boat body having a bow and a stern, and a hollow section formed in the boat body. The hollow section is provided with at least one opening at the stern for communication between the hollow section and the atmosphere. The exhaust pipe is connected to the hollow section so that exhaust gas from the engine is exhausted to the atmosphere through the hollow section.
REFERENCES:
patent: 3273333 (1966-09-01), Roulund
patent: 3624737 (1971-11-01), Keller
patent: 3659547 (1972-05-01), Stuart
patent: 3943876 (1976-03-01), Kiekhaefer
patent: 4552537 (1985-11-01), Haynes
patent: 4616168 (1986-10-01), Nishida
Avila Stephen P.
Basinger Sherman D.
Yamaha Hatsudoki Kabushiki Kaisha
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