FUEL-INJECTION VALVE-TYPE NOZZLE Russian patent published in 2001 - IPC

FIELD: mechanical engineering; internal combustion engines with compression of working mixture and forced ignition. SUBSTANCE: fuel-injection valve-type nozzle has a body, movable shutoff element engaging with valve seat made on element forming the seat. The seat changes into outlet hole in direction of fuel flow. Cup-shaped seat forming element is manufactured from sheet metal by deep drawing and it has bottom part and ring wall. Seat is made on upper surface of bottom part pointed to ring wall. EFFECT: simplified design, reduced manufacturing costs. 2 cl, 2 dwg