Methods and apparatus for controlling the propulsion of aquatic

Details Methods and apparatus for controlling the propulsion of aquatic Methods and apparatus for controlling the propulsion of aquatic

1974-11-18

1976-06-29

Kunin, Stephen G.

Ships

Steering mechanism

Remote control steering excluding manual operation

2351502, B63H 2500

Patent

active

039658406

ABSTRACT:
For the purpose of controlling the position of an oil rig or other vessel, it is provided with a plurality of steerable thrusters, one pair being located at the bow and one pair at the stern. The two thrusters of each pair are arranged to exert thrust at an angle of 90.degree. so that the net thrust vector may be "steered" merely by controlling the magnitude and direction of thrust of each thruster. By this means it is only necessary to change the directions of the thrust of the thrusters relatively infrequently.

REFERENCES:
patent: 837288 (1906-12-01), Dieckmann
patent: 2735393 (1956-02-01), White
patent: 3311079 (1967-03-01), Berne
patent: 3508512 (1970-04-01), Desrayaup et al.
patent: 3509844 (1970-05-01), Doyle
patent: 3730126 (1973-05-01), Zunderdorp et al.

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