FUEL INJECTION VALVE NOZZLE Russian patent published in 2004 - IPC

FIELD: mechanical engineering; valve-type nozzles. SUBSTANCE: proposed fuel injection valve nozzle has excited drive, valve member moved by drive which interacts with contact surface of seat to open and close the nozzle, and disk atomizer located in direction of flow after contact surface of seat and provided with at least one of spray orifice. Disk atomizer is of cup shape formed by its bottom part and fastening bead projecting form bottom part. Disk atomizer is provided with shaped elements increasing rigidity of disk atomizer on section where its bottom part changes into fastening bead. EFFECT: improved design of valve-type nozzles, simplified assembling. 8 cl, 3 dwg