STUDY OF THE FUEL SUPPLY SYSTEM, STRUCTURE AND OPERATION OF CARBURETOR ENGINES
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Abstract
This article presents a comprehensive overview of the fuel supply system of carburetor engines, describing its purpose, overall structure, operating principles, and the devices that form the combustible mixture and remove exhaust gases. Special attention is paid to the concepts of carburetion, mixture preparation, excess air coefficient (λ), and the operation of key subsystems such as the starting device, economizer, and acceleration pump. Figure references from the original text are preserved as “Figure …”.
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References
Explain the purpose and components of the fuel supply system of carburetor engines.
Define the excess air coefficient (λ).
Enumerate the engine operating modes and the corresponding mixture compositions.
Describe the operation of a simple carburetor.
List the carburetor metering devices and specify the engine modes in which each operates.