Marine propulsion – Engine – motor – or transmission control means
Patent
1991-07-16
1992-07-07
Peters, Jr., Joseph F.
Marine propulsion
Engine, motor, or transmission control means
440 86, 440 87, 440 2, 3644241, B63H 2121, B63H 2122, B60K 4100, G06F 1550
Patent
active
051278588
ABSTRACT:
A marine vessel propulsion system includes one or more drive systems, each including an engine, an engine throttle, and a shiftable transmission. A control system for each drive system comprises a manually operable control lever assembly for electrically operating a servo assembly which mechanically operates the engine throttle and the transmission shifting clutches. The control lever assembly comprises a one-piece plastic support base which is adapted to pivotally support one or two identical one-piece plastic control levers. Components associated with a control lever are interchangeable and identical and include a potentiometer mechanically interconnected between the control lever and the base, a detent plate and a detent arm. The control lever assembly also comprises based-mounted components including a station selector switch, a mode selector switch, an electrical connector and a flexible circuit board for electrically connecting the potentiometer selector switches and electrical connector. The servo assembly comprises a plastic housing containing two identical servo units for mechanically operating the engine throttle and the transmission shifting clutches. Each servo unit comprises a support frame on which are mounted a reversible electric motor having a rotatable motor shaft, a rotatable link-drive shaft and a solenoid-operated clutch for connecting and disconnecting the motor shaft and the link-drive shaft. A potentiometer mechanically connected to the link-drive shaft is restrained from rotation by a clamp engaged with the motor housing.
REFERENCES:
patent: 4753618 (1988-06-01), Entringer
patent: 4759731 (1988-07-01), Uchida et al.
patent: 4836809 (1989-06-01), Pelligrino
Pelligrino Paul A.
Potter Gary L.
Schenk Robert N.
Lee Kenneth
Peters Jr. Joseph F.
Twin Disc Incorporated
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