FUEL INJECTION SYSTEM Russian patent published in 2004 - IPC

FIELD: mechanical engineering; engines. SUBSTANCE: invention relates to systems for direct injection of fuel into engine combustion chamber. In proposed fuel injection system at least one valve nozzle is provided for each combustion chamber, fitted by outlet end from side of injection into corresponding seat hole made in cylinder block head of internal combustion engine and is provided with fuel inlet hole. System has also distributing fuel pipeline with fuel outlet hole for each valve nozzle. Said pipeline is secured on cylinder block head by special attachment device. Pressure device is provided for each valve nozzle to press valve nozzle in corresponding seat hole in cylinder block head. Each valve nozzle is furnished with attachment device, and each pressure device is connected with corresponding attachment device. Each attachment device has first attachment member designed for fastening distributing fuel pipeline to cylinder block head, and second attachment member designed for application of pressure to corresponding valve nozzle. EFFECT: simplified assembling. 10 cl, 4 dwg