FUEL INJECTOR AT SPILL-FREE FUEL FEED

摘要

manufacture of engines; injectors for internal combustion engines. SUBSTANCE: injector has body, spring, pusher, spacer and atomizer with obturating needle; injector is additionally provided with ball valve fitted in spacer. Surface of spacer adjoining atomizer is provided with circular groove connecting passage feeding fuel to atomizer with cavity of injector body through above-mentioned valve. EFFECT: enhanced economical efficiency due to avoidance of secondary injection of fuel when injector needle is received by seat. 3 dwg