FIELD: mechanical engineering; internal combustion engines; fuel injecting devices. SUBSTANCE: nozzle is set into operation by compression pressure in engine cylinder acting onto face surface 31 of piston arrangement 30, 35 and compressing fuel in high pressure chamber in nozzle body 10. Piston arrangement 30, 35 moves, overcoming resistance of spring 36 and regulated fuel pressure in low pressure chamber 37. High pressure chamber 45 is connected with injection orifice through pressure chamber 65 and check valve 56. Fuel delivery is regulated by changing its pressure in low pressure chamber 37. To regulate pressure different means can be used. EFFECT: enlarged operating capabilities. 15 cl, 6 dwg
