Marine propulsion – Engine – motor – or transmission control means
Patent
1995-09-08
1998-04-21
Swinehart, Edwin L.
Marine propulsion
Engine, motor, or transmission control means
B60K 4100
Patent
active
057411662
ABSTRACT:
One or more helm stations are provided to remotely control the engine, transmission and steering functions of a boat or ship. Multiple station remote helms, either portable or stationary, include electric switches that, when closed, energize solenoids and relays to control single or multiple engine throttles, transmissions, ignition, starting, stopping and steering functions of a boat or ship. These switch groups are placed in any location on the vessel or may be mounted on a hand held portable unit which is plugged into various locations where matching receptacles are placed. The throttle, transmission shifting and steering movement is provided by hydraulic cylinders, with fluid pressure supplied by electrically powered hydraulic pumps. The fluid supply to these cylinders is controlled by electric solenoid operated valves, which in turn are activated by the electric helm switches. The ignition and starting functions of the engines are energized by relays, which in turn are closed or opened by any of the multiple helm switches.
REFERENCES:
patent: 2714874 (1955-08-01), Hart
patent: 3488954 (1970-01-01), Thomas et al.
patent: 4698035 (1987-10-01), Ferguson
patent: 4718869 (1988-01-01), Fisher
patent: 4739236 (1988-04-01), Burkenpas
patent: 5280282 (1994-01-01), Nagafusa et al.
patent: 5318466 (1994-06-01), Nagafusa
patent: 5408230 (1995-04-01), Okita
patent: 5505641 (1996-04-01), Onoue
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