Ice-breaking apparatus for ships and barges for operation on icy

Details Ice-breaking apparatus for ships and barges for operation on icy Ice-breaking apparatus for ships and barges for operation on icy

1977-12-05

1979-05-08

Frankfort, Charles E.

Ships

Ice breakers

Cutters

B63B 3508

Patent

active

041529995

ABSTRACT:
An ice-breaking apparatus for use in ships and barges operating on icy waters, including nozzles for jetting high pressure fluid, is disclosed. By impinging force or cavitation caused by the high pressure fluid jetted from the nozzles, grooves or cracks are formed on an ice floe, and then, the ice floe is broken from these grooves or cracks by the hull. This ice-breaking apparatus facilitates breakage of ice floes or the like, and when this ice-breaking apparatus is attached, ships or barges for operation on icy waters can be built without increasing dimensions or propulsion powers particularly for navigation on icy waters. The ice-breaking apparatus includes echo distance measuring apparatus for automatically controlling and maintaining the nozzles at optimum positions from the ice-surface.

REFERENCES:
patent: 3572273 (1971-03-01), Wood
patent: 3878804 (1975-04-01), Legerer
patent: 3977345 (1976-08-01), Worthing

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