CARBURETOR Russian patent published in 1995 - IPC

FIELD: engine engineering. SUBSTANCE: carburetor has main air path for falling flow, fuel chamber wherein the level of liquid fuel is maintained, main batching system having step-like inclined passage with downstream widened part, main fuel nozzle built in the path between the chamber and inclined passage, sprayer mounted at the outlet of the inclined passage which is connected to the main air path, passage for supplying correcting air to the narrowed part of the inclined passage, and passage for discharging fuel to the free-running system. The initial part of the fuel discharging passage is positioned in widened part of the inclined passage. The narrowed part of the inclined passage has a piping member at the its bottom part. The piping member and inner wall of the widened part of the inclined passage define a ring flowing passage. The passage for supplying fuel to the free-running system is connected to the top part of the ring flowing passage. EFFECT: improved design. 2 dwg