Arrangement in vessels

Details Arrangement in vessels Arrangement in vessels

1985-10-11

1987-03-10

Barefoot, Galen L.

Ships

Ice breakers

114 67A, 114121, 114125, B63B 138, B63B 3508

Patent

active

046483420

ABSTRACT:
A vessel with a ballast system including a plurality of ballast tanks provided with means for feeding water into the tanks and expelling water therefrom and an air bubbling system including underwater openings and means for blowing air through said openings into the water surrounding said vessel. The ballast system and the air bubbling system include a common tube system being alternatively connectable to the ballast tanks, for operating the filling and emptying of the tanks, and to the air bubbling system for conducting air to the underwater openings as described in U.S. Pat. No. 3,580,204.

REFERENCES:
patent: 3922985 (1975-12-01), Hamilton
patent: 4029035 (1977-06-01), German
patent: 4314519 (1982-02-01), Yunoki et al.
patent: 4522141 (1985-06-01), Aker
patent: 4546719 (1985-10-01), Collins et al.

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