ELECTROMAGNETIC NOZZLE CONTROL DEVICE Russian patent published in 2003 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: invention is designed to provide electric control of delivery of liquid or gaseous fuel into cylinders of internal combustion engines, mainly diesel engines, equipped with fuel injection nozzles with electromagnetic drive of shutoff member. Proposed control device contains load current sensor, pulse generator with synchronous input and control input, single-pulse square- wave generator, blocking capacitor, first second and third switches, pulse shaper with control input and additional switch. Device contains also two differentiator units, two comparators, logic circuit and trigger. EFFECT: reduced fuel consumption and improved reliability owing to reduction of power dissipation, improved stability in operation. 2 cl, 7 dwg