METHOD FOR INCREASING EFFICIENCY AND REDUCING EMISSIONS OF A COMPRESSION IGNITION ENGINE

The invention relates to a method for increasing efficiency and reducing emissions for a compression ignition engine containing at least one cylinder. According to the invention, the method consists of a first supply of gaseous fuel having a low reactivity, followed by a second supply of liquid fuel...

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Bibliographische Detailangaben
Hauptverfasser: BIRTAS ADRIAN, CHIRIAC RADU, BOICEA NICULAE
Format: Patent
Sprache:eng ; rum
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Zusammenfassung:The invention relates to a method for increasing efficiency and reducing emissions for a compression ignition engine containing at least one cylinder. According to the invention, the method consists of a first supply of gaseous fuel having a low reactivity, followed by a second supply of liquid fuel having a high reactivity, both being injected by direct injection, by means of a dual fuel injector (4) in a combustion chamber (1) defined by a cylinder (3) and a piston (2) from a cylinder head (7) of an engine and, in the end, a third supply of liquid fuel having a low reactivity is injected by indirect injection into an intake manifold (6) by means of an injector (5). Invenţia se referă la o metodă pentru creşterea eficienţei şi reducerea emisiilor pentru un motor cu aprindere prin compresie care conţine cel puţin un cilindru. Metoda conform invenţiei constă într-o primă alimentare de combustibil gazos având o reactivitate scăzută, urmată apoi de o a doua alimentare de combustibil lichid având o reactivitate ridicată, ambele sunt injectate prin injecţie directă prin intermediul unui injector (4) cu dublu combustibil într-o cameră (1) de combustie definită de un cilindru (3) şi de un piston (2) dintr-o chiulasă (7) a unui motor şi în final o treia alimentare de combustibil lichid având o reactivitate scăzută este injectată prin injecţie indirectă într-un colector (6) de admisie prin intermediul unui injector (5).