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introduction of carburetor

- Apr 03, 2018 -

Carburetor is a device that mixes air and fuel for internal combustion engines in the proper ratio for combustion. 

A carburetor basically consists of an open pipe through which the air passes into inlet manifold of the engine .The pipe is in the form of a venturi: it narrows in section and then widens again,causing the airflow to increase in speed in the narrowest part.Below the Venturi is a butterfly valve called the throttle valve-a rotating disc that can be turned end-on the airflow, so as to hardly restrict the flow at all ,or can be rotated so that it(almost) completely blocks the flow of air .This valve controls the flow of air through the carburetor or throat and thus the quantity of air/fuel mixture the system will deliver ,thereby regulating engine power and speed.The throttle is connected ,usually through a cable or a mechanical linkage of rods and joints or rarely by pneumatic link,to the accelerator pedal on a car ,a throttle level in an aircraft or the equivalent control on other vehicle or equipment.

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