VALVE NOZZLE FOR FUEL INJECTION SYSTEMS AND METHOD OF ITS MANUFACTURE Russian patent published in 2003 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: invention relates to fuel injecting devices of internal combustion engines. Proposed valve nozzle contains electromagnetic circuit and it consists of pre-assembled functional unit and-pre-assembled connecting unit. Functional unit includes electromagnetic circuit and sealed valve. Connecting unit includes means for electrical connection and hydraulic connection. Functional unit and connecting unit form independent design units made for rigid connection to each other. Reliable electrical and hydraulic connection of both units is provided by interaction of corresponding connecting elements and hydraulic connecting elements. Longitudinal axis of nozzle functional unit can be orientated in direction differing from direction of longitudinal axis of seat for nozzle mounting. EFFECT: simplified design, improved reliability of electrical and hydraulic connection, improved economy characteristics, facilitated manufacture and assembling. 20 cl, 4 dwg