Carburetors

Carburetors

A carburetor is a mechanical device that mixes air and fuel in an internal combustion engine. It is responsible for regulating the flow of fuel into the engine, ensuring that the correct amount of fuel is delivered to the combustion chamber. Carburetors were widely used in automobiles and other vehicles before the advent of fuel injection systems. The basic design of a carburetor includes a venturi, a throttle valve, and a fuel bowl. The venturi is a narrow tube that creates a vacuum as air flows through it. This vacuum draws fuel from the fuel bowl and mixes it with the incoming air. The amount of fuel delivered to the engine is regulated by the throttle valve, which controls the amount of air that enters the engine. One of the main advantages of carburetors is their simplicity. They are relatively easy to manufacture and maintain, and they can be adjusted to suit different engine configurations. However, they are less efficient than fuel injection systems, as they tend to waste fuel and produce more emissions. In addition, carburetors can be affected by changes in altitude and temperature, which can affect their performance. Despite their drawbacks, carburetors remain an important part of automotive history and are still used in some applications today. They are often used in small engines, such as those found in lawnmowers and chainsaws, as well as in some high-performance racing engines.

internal combustion engine, fuel injection, throttle valve, emissions, small engines

— Brian Gonzalez

CITATION : "Brian Gonzalez. 'Carburetors.' Design+Encyclopedia. https://design-encyclopedia.com/define/carburetors?E=368396 (Accessed on October 14, 2026)"