Internal-combustion engines – Combustion chamber means combined with air-fuel mixture... – Air or combustible mixture entering the combustion chamber...
Patent
1979-07-12
1982-04-06
Lazarus, Ronald H.
Internal-combustion engines
Combustion chamber means combined with air-fuel mixture...
Air or combustible mixture entering the combustion chamber...
123308, 123472, F02M 3200
Patent
active
043230415
ABSTRACT:
An induction system for a multiple cylinder internal combustion engine embodying a simplified fuel injection arrangement that reduces the number of injection nozzles. The engine is provided with a relatively large cross sectional area main induction system and a relatively small cross sectional area auxiliary induction system. A valving arrangement is incorporated so that a major portion of the engine charge requirements are supplied to the chambers through auxiliary induction system at idle and low speed. As a result, turbulence in the combustion chamber at the time of ignition is increased to provide improved fuel economy and exhaust emission control. One fuel injection nozzle is positioned in an inlet passage of the auxiliary induction system which serves a plurality of chambers. In this way, one injection nozzle can serve multiple chambers without adversely affecting mixture distribution. In accordance with another embodiment of the invention, pairs of injection nozzles are provided in this common inlet which are fired alternately so that each nozzle serves separate cylinders.
REFERENCES:
patent: 4140088 (1979-02-01), Vulpillieres
patent: 4149496 (1979-04-01), Palma
patent: 4153014 (1979-05-01), Sailet
patent: 4186708 (1980-02-01), Bowler
patent: 4216753 (1980-08-01), Inoue
patent: 4235205 (1980-11-01), Fuhui
Endo Yoshinori
Yoshikawa Masaaki
Beutler Ernest A.
Lazarus Ronald H.
Yamaha Hatsudoki Kabushiki Kaisha
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