Barge construction for warm air canopy ice-free zone

Details Barge construction for warm air canopy ice-free zone Barge construction for warm air canopy ice-free zone

1979-07-05

1981-06-02

Blix, Trygve M.

Ships

Ice breakers

B63B 3508

Patent

active

042704766

ABSTRACT:
A novel barge construction is disclosed herein for providing a substantially ice-free zone around a vessel out to at least 100 feet from the vessel. The barge comprises: (a) a hull including a bow, a stern and, a pair of sides, a flat bottom all covered by plating and a deck covered by decking; (b) a hull stabilization system including a lattice framework filled with solid insulation material; (c) a liquid/gas heat exchange system within the hull, such heat exchange system having ducts and outlets therefrom from the hull to project hot gas towards the surface of the water and recirculation inflow structure to recover air and hot gas from the region of the surface of the water; (d) a cantilevered section extending forwardly from the bow and including longitudinally extending skirt ducts therein connected to the heat exchange system ducts and outlets; and (e) a skirt suspended from the forward edge of the cantilevered section to below the waterline of the barge. The skirt comprises an outside depending portion to project below the surface of the water and a shorter inside depending portion to terminate above the surface of the water, to define a hot gas chamber therebetween, the hot gas chamber being connected to the skirt ducts. The barge distributes warm air in a manner and quantity sufficient substantially to prevent ice formation under the barge hulls and under the cantilevered sections.

REFERENCES:
patent: 3139635 (1964-07-01), Daffer
patent: 3749162 (1973-07-01), Anders
patent: 3929083 (1975-12-01), Blankenship et al.
patent: 3972199 (1976-08-01), Hudson et al.

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