CARBURETOR FOR TWO-STROKE INTERNAL COMBUSTION ENGINE Russian patent published in 1999 - IPC

FIELD: mechanical engineering; two-stroke engines. SUBSTANCE: carburetor has throttle spool valve chamber, throttle spool valve, spring of throttle spool valve, control cable, needle, mixing chamber, emulsion tube, jet, float chamber with union and float with needle valve. Needle is connected with control cable and is arranged in guide tube of throttle spool valve. Rigidly of needle spring exceeds that of throttle spool valve spring, and ratio of needle spring travel and throttle spool valve spring travel is 3/17 of control cable travel. EFFECT: increased engine power output by regulating fuel mixture depending on engine operating conditions. 1 dwg