FUEL SYSTEM OF MULTICYLINDER DIESEL ENGINE AND UNIT-INJECTOR FOR FUEL SYSTEM Russian patent published in 1997 - IPC

FIELD: mechanical engineering; multicylinder diesel engines. SUBSTANCE: fuel system has fuel feed pressure source, controllable throttle connected hydraulically in series with source and coupled with control device and unit-injectors with pumping chambers hydraulically connected in series with controllable throttle and in parallel with each other by means of hydraulically branched circuit including pipes and adapters. Each supply pipe connected with adapter is arranged at angle, close to right angle, to outgoing pipes connected to the same adapter. Unit-injector has check valve installed between pumping chamber and sprayer. Throttle installed in fuel feed channel to pumping chamber of unit injector can be made either replaceable or controllable. EFFECT: enlarged operating capabilities, improved reliability. 4 cl, 4 dwg