Lateral maneuvering control for water-jet propulsion systems

Details Lateral maneuvering control for water-jet propulsion systems Lateral maneuvering control for water-jet propulsion systems

1977-04-07

1978-02-14

Blix, Trygve M.

Ships

Building

Canal and ferry boats

115 37, 114151, B63H 1110

Patent

active

040732584

ABSTRACT:
A control system is provided for water-jet propulsion systems for watercraft which provides for lateral maneuvering of the craft, as in docking operations. Water-jet propulsion systems, such as are used on hydrofoil craft, have two normally-parallel jets directed rearwardly of the craft, with individual means for reversing each jet. The angular direction of the jets is controlled by deflectors for use in steering the craft. In accordance with the invention, lateral movement of the craft is effected by moving the jets oppositely into divergent angular positions and simultaneously reversing the direction of one of the jets. This results in a lateral component of movement with a controllable rate and direction of yaw determined by the angles of the jets.

REFERENCES:
patent: 3143995 (1964-08-01), Koppen
patent: 3198158 (1965-08-01), Winter
patent: 3412705 (1968-11-01), Nesson
patent: 3675611 (1972-07-01), Glass
patent: 3827389 (1974-08-01), Kureth
patent: 3942464 (1976-03-01), Schoell
patent: 3982494 (1976-09-01), Posti

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