Start-up method for an internal combustion engine

Details Start-up method for an internal combustion engine Start-up method for an internal combustion engine

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 67/04 (2006.01) F02M 67/02 (2006.01)

Patent

CA 2307211

An internal combustion engine and a method of operating said engine, the engine having a plurality of cylinders each respectively supporting a piston therein, a fuel injection system including a plurality of selectively operable delivery injector nozzles, and a gas supply system for supplying gas to the delivery injector nozzles, each delivery injector nozzle arranged to respectively deliver fuel by way of said gas directly into a said engine cylinder, the method including opening the delivery injector nozzles of a first said cylinder and a second said cylinder such that gas within the first said cylinder is transferred through the delivery injector nozzle thereof and into the gas supply system resulting in gas being supplied to the delivery injector nozzle of the second said cylinder to thereby effect the delivery of fuel by way of the gas to the second said cylinder.

L'invention a trait à un moteur à combustion interne et à une technique permettant de le faire fonctionner. Ce moteur est pourvu de plusieurs cylindres (3, 4, 5) renfermant chacun un piston (6), d'un système d'injection de carburant (2) comportant plusieurs injecteurs (10) à fonctionnement sélectif et d'un système d'alimentation en gaz (7) approvisionnant en gaz les injecteurs (10), chaque injecteur (10) étant conçu pour fournir le carburant à l'aide dudit gaz et ce, directement dans le cylindre respectif (3, 4, 5). La technique consiste à ouvrir l'injecteur (10) du premier et du deuxième cylindre de manière que le gaz présent dans le premier cylindre soit transféré par l'injecteur (10) correspondant dans le système d'alimentation en gaz (7), ce qui fait que la gaz amené dans l'injecteur (10) du deuxième cylindre approvisionne en carburant ce deuxième cylindre.

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