FUEL INJECTION CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE Russian patent published in 1996 - IPC

FIELD: mechanical engineering; engines. SUBSTANCE: fuel injection control device has synchronizing pulse filter whose repetition rate equals to that of sparking, internal combustion engine parameter combination command-to-voltage changer, voltage-to-pulse length changer and current pulse generator. Included additionally into device circuit is synchronizing pulse-to-voltage changer with frequency inversely proportional to generated voltage. Changer circuit enables real-time generation of underlaid output voltage whose value is refined with each following synchronizing pulse. EFFECT: stabilized speed of internal combustion engine, quantity control of fuel mixture, especially at idling, which reduces adverse effect of exhaust gases on ambient atmosphere. 2 cl, 2 dwg