Throttle-reverser control system for water jet propelled...

Details Throttle-reverser control system for water jet propelled... Throttle-reverser control system for water jet propelled...

G - Physics

05

D

342/24

G05D 1/00 (2006.01) B63H 11/11 (2006.01)

Patent

CA 1038950

A B S T R A C T A control system for water jet ship pro- pulsion apparatus of the type having reverser bucket means which is selectively and controllably movable into the path of a driving jet to reverse the thrust of the jet. The invention is characterised in the use of plural potentiometers connected to a single control throttle, one of the potentiometers acting to control the driving engine for the propulsion apparatus and the other acting to control the position of the reverser bucket means. Both potentiometers employ shorted sections such that the driving engine will run at idle speed on either side of a neutral setting while the reverser bucket means is moved from a full-retracted to a fully-extend- ed position for reverse thrust. Once the reverser bucket means reaches one of its two extreme positions, engine speed can be increased with increased thrust. In the engine idle region, reverser bucket modulation of the jet stream can be effected to give forward and reverse boat speed control at the engine idle setting.

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