Marine propulsion control transfer system

Details Marine propulsion control transfer system Marine propulsion control transfer system

F - Mech Eng,Light,Heat,Weapons

15

B

121/64

F15B 13/06 (2006.01) B63H 21/22 (2006.01) G05G 13/00 (2006.01)

Patent

CA 1073762

MARINE PROPULSION CONTROL TRANSFER SYSTEM Abstract of the Disclosure A plurality of single lever control stands are provided at remote locations for controlling a pneu- matically operated marine propulsion system. Control of the propulsion system is transferred between the several control stands by connecting each stand to a source of supply air under pressure. The control stands each include a throttle valve which will produce a set of three pres- sure signals. A valve located at each stand must be actuated by an operator at that location before the air supply will be activated for that station. Two of the signals select the ahead and astern direction of motion for the vessel and the third signal varies in propor- tion to the throttle lever position and controls engine speed. Banks of shuttle valves receive pairs of sets of these pressure signals and pass onto the control the signals at the higher pressure level. The system includes transfer valves at the main and secondary stations which cannot be overridden by stations of lower priority.

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