F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
F02M 21/02 (2006.01) F02B 15/00 (2006.01) F02B 43/00 (2006.01) F02B 43/12 (2006.01) F02D 19/02 (2006.01)
Patent
CA 2463791
A method for providing a directly injected gaseous fuel into the combustion chamber of an internal combustion engine is provided. The compressibility of the gaseous fuel is used to provide a fuel to the combustion chamber that is injected over all engine operating conditions at pressures that result in fuel jet speeds beyond the injector nozzle in excess of sonic speeds as determined in reference to the combustion chamber environment. The resulting fuel injection speed results in the fuel passing through shock waves within the combustion chamber, which, in turn, promotes combustion of the fuel by promoting turbulence and mixing of the fuel and intake charge within the combustion chamber where fuel burns in a non-premixed combustion mode.
Il s'agit d'une méthode qui consiste à injecter directement du carburant gazeux dans la chambre de combustion d'un moteur à combustion interne. La compressibilité de ce carburant gazeux permet d'alimenter en carburant la chambre de combustion recevant les injections dans toutes les conditions de fonctionnement du moteur, à des pressions qui résultent dans des vitesses de jet de carburant au-delà de la buse de l'injecteur, qui dépassent la vitesse du son, selon le résultat obtenu par rapport au milieu de la chambre de combustion. La vitesse d'injection du carburant résultante a pour effet que le carburant traverse les ondes de choc à l'intérieur de la chambre de combustion. Cette chambre à son tour, stimule la combustion du carburant en favorisant la turbulence et le mélange du carburant et de la charge d'admission à l'intérieur de ladite chambre de combustion où le carburant se consume dans un mode de combustion sans prémélange.
Oyen Wiggs Green & Mutala Llp
Westport Power Inc.
Westport Research Inc.
LandOfFree
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