DIAPHRAGM CARBURETOR Russian patent published in 1998 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: diaphragm carburetor for internal combustion engine has housing with main air channel and choke and throttle valves arranged in air channel, fuel feed regulator in form of diaphragm forming fuel chamber together with housing and connected to fuel channel with control member and lever arranged at channel outlet, main metering system with check valve and idling system communicating with fuel chamber of fuel feed regulator. Emulsion well in idling system is made in form of three dimensional space formed by L-shaped slot in housing where fuel feed channel is made narrowing after idling system throttle and widening before slot. Emulsion well is made in form of stepped space formed by channels. Emulsion well has idling hole, progression system hole and air hole. EFFECT: enhanced reliability of operation. 3 cl, 3 dwg