INJECTOR FOR DIESEL ENGINE Russian patent published in 2002 - IPC

FIELD: manufacture of engines; diesel engine fuel supply systems. SUBSTANCE: proposed injector has hollow body with fuel feed passage, hollow atomizer with nozzle orifices, shut-off valve needle located in atomizer cavity at circular clearance between cylindrical guide portion of shut-off needle valve and inner surface of atomizer body. Pressure rod is engageable with shut-off needle valve and flexible loading member made from elastomer located in cavity of injector body. Flexible member is located in clearance between outer lateral surface of pressure rod and inner surface of regulating member made in form of sleeve. EFFECT: enhanced reliability and durability of injector; simplified construction of fuel feed system; enhanced stability of regulation; ease of maintenance. 1 dwg