ROTARY-PISTON ENGINE WITH INJECTION OF FUEL Russian patent published in 2001 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: proposed engine has housing with internal trochoidal surface and rectangular cross-section intake channel. Rectangular cross-section throttle valve and fuel injection nozzle are installed in channel. Throttle valve is installed directly at trochoidal surface for reciprocation. Such arrangement of throttle valve precludes overflow of large amount of exhaust gases when rotor top passes by intake port. Recess can be made on throttle valve in its lower part to provide uniform distribution of fuel at idling. Nozzle, in this case, is installed to deliver fuel into zone of throttle valve recess. EFFECT: reduced consumption of fuel and toxicity of exhaust gases at idling owing to improved mixing of fuel and air and reduced amount of exhaust gases getting into intake channel. 4 cl, 1 dwg