Internal-combustion engines – Two-cycle – Rear compression
Patent
1991-10-21
1993-10-12
Okonsky, David A.
Internal-combustion engines
Two-cycle
Rear compression
123 73C, 123431, F02B 3304
Patent
active
052515826
ABSTRACT:
A motorcycle powered by a two cycle crankcase compression fuel injected internal combustion engine. The injection system for the engine includes a main fuel air/injector that injects fuel directly into the combustion chamber and a second or auxiliary fuel injector that injects fuel into the induction system for the engine. Control means control the fuel injectors so that the second or auxiliary fuel injector supplies fuel only during starting and high load, high speed conditions. The engine components are laid out in such a way that the spark plugs of the engine and the fuel injector will each be exposed to unobstructed air flow for cooling.
REFERENCES:
patent: 4779581 (1988-10-01), Maier
patent: 5005535 (1991-04-01), Binversie et al.
patent: 5092287 (1992-03-01), Motoyama et al.
patent: 5113829 (1992-05-01), Motoyama
Beutler Ernest A.
Okonsky David A.
Yamaha Hatsudoki Kabushiki Kaisha
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