Method and the means for removing ice from a ship's channel

Details Method and the means for removing ice from a ship's channel Method and the means for removing ice from a ship's channel

1988-04-18

1991-08-06

Sotelo, Jesus D.

Ships

Ice breakers

114 67A, B63B 3508

Patent

active

050367811

ABSTRACT:
The method and the apparatus for removing ice from a ship's channel or from around the ship, to ease its navigation. The invention is characterized in that the propeller stream is used for removing the ice by turning the propeller stream up to the surface where the ice is. The removing influence of the stream can be further strengthened by diverting it also to the sides. Turning up the stream can be done for instance by mixing air into the propeller stream. Mechanical foils (8), for instance tilted ploughing rudders (9,10), can be used for turning the stream up and to the sides. The same air blowing apparatus can be used also for other applications, as loading the payload, or for biological aeration of water.

REFERENCES:
patent: 1007583 (1911-10-01), Loetzer
patent: 3434447 (1969-03-01), Christensen et al.
patent: 3575526 (1971-04-01), van Gunsteren
patent: 3745964 (1973-07-01), Henrich
patent: 3788267 (1974-01-01), Strong
patent: 3924556 (1975-12-01), Wacker
patent: 3985091 (1976-10-01), Waas
patent: 4102288 (1978-07-01), Berry et al.
patent: 4188906 (1980-02-01), Tachmindji et al.
patent: 4383829 (1983-05-01), Allen, Jr. et al.
patent: 4543900 (1985-10-01), Akev
"Multi-Modul Ice Management System" by Charles M. Aker; The Society of Naval Architects & Marine Engineers, Ice Tech '84.
"Ivanov Publication", Zimnaja Explutanija Objektov Vodnogo Transporta (1978), p. 117, picture 58.
"Rodionov Publication", Sovremennye Tankery 1980, pp. 274-275, picture 157.

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