Internal-combustion engines – Charge forming device – Fuel flow regulation between the pump and the charge-forming...
Patent
1998-05-15
1999-03-09
Moulis, Thomas N.
Internal-combustion engines
Charge forming device
Fuel flow regulation between the pump and the charge-forming...
123195P, F02M 3704
Patent
active
058787267
ABSTRACT:
A fuel injection system for an internal combustion engine of the type utilized to power an outboard motor of a watercraft is disclosed. The engine is oriented with its crankshaft vertically extending, such that the engine has a top and a bottom, a first end and a second end, and a side between the ends. An air delivery passage extends generally from the first end along said side to an intake passage leading through the engine to a combustion chamber therein. A fuel injector is positioned along the side of the engine and arranged to deliver fuel into air flowing through the passage. In one arrangement, the fuel injector is connected to an intake manifold defining at least a part of the air delivery passage and is adapted to deliver fuel opposite the flow of air through the passage at the point of delivery. In a second embodiment, the fuel injector is positioned between the air delivery passage and the side of the engine. In this embodiment, the fuel injector is preferably arranged to deliver fuel perpendicular to the flow of air through the passage.
REFERENCES:
patent: 5103793 (1992-04-01), Riese et al.
patent: 5309885 (1994-05-01), Rawlings et al.
patent: 5375578 (1994-12-01), Kato et al.
patent: 5554060 (1996-09-01), Koishikawa et al.
patent: 5683277 (1997-11-01), Tsunoda et al.
Takahashi Masanori
Watanabe Hitoshi
Moulis Thomas N.
Sanshin Kogyo Kabushiki Kaisha
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