Internal-combustion engines – High tension ignition system – Using capacitive storage and discharge for spark energy
Patent
1988-05-09
1989-10-17
Nelli, Raymond A.
Internal-combustion engines
High tension ignition system
Using capacitive storage and discharge for spark energy
123149R, F02P 100
Patent
active
048739626
ABSTRACT:
A high efficiency marine alternator system employs a marine engine flywheel as a rotor in an alternator. The rotor has a cup-shaped portion defined by an outer circular wall, and wherein a stator is received within the cup-shaped portion. The rotor is formed of a one-piece net ductile iron casting by the lost foam process. Magnets are mounted on an inner surface of the circular wall such that as the rotor rotates, the magnets move past pole faces of the stator. A starter motor ring gear is mounted on an outer surface of the circular outer wall. By minimizing a thickness of the outer circular wall on which the magnets are directly mounted and by direct mounting of the magnets on an inner surface of the outer wall, for a given diameter of the rotor/flywheel, the rotor magnets can be mounted at a maximum radius from a central rotational axis of the rotor, thus increasing linear velocity of the magnets as they move past the rotor faces, and improving efficiency of the alternator. Additionally, in conjunction with the high efficiency alternator, a Hall effect device timing system is provided together with a high efficiency charging system.
REFERENCES:
patent: 2154591 (1939-04-01), Waseige
patent: 3955550 (1976-05-01), Carlsson
patent: 3991734 (1976-11-01), Martin
patent: 4160435 (1979-07-01), Sleder
patent: 4259938 (1981-04-01), Johansson
patent: 4412522 (1983-11-01), Fujimoto
patent: 4418677 (1983-12-01), Hofmann
patent: 4528970 (1985-07-01), Fujimoto
patent: 4558668 (1985-12-01), Yabunaka
F & B Mfg. Co.
Nelli Raymond A.
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