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SIMPLE CARBURATOR


Hello friends,

Show my previous articles for automobile engines details and this articles show on how supply fuel in engine? It’s  simplest form of carburetor form is show in figure . the basic construction of  the carburetor of the carburetor can be divide into the part of where the gasoline fuel and air are mixture and float chamber or the part where  constant amount of gasoline is always stored.
 
At the center of mixing chamber, there is part is called the vanturi where the diameter has been drawn  smaller , the main nozzle discharging the gasoline at normal engine speed is located at center of the vanturi. Below this at part is throttle valve is a disc shapes its adjusted serves to the amount of mixture. It’s linked at driver compartment to the accelerator pedal in the driver control the engine speed. The choke valve to adjusted the amount of air in the mixture.  The float chamber is comprise of bowl shape part cost integrated with the mixing fuel and needle valve is linked to the float are as show in the figure.


The principle shell now be taken up,
 The gasoline supplied by the fuel pump is first stored in the float chamber and maintain the float chamber level by float. In the engine intake stroke the piston moves downward  motion the air in the cylinder cousing fresh air flow in the cylinder through the air cleaner, carburetor, and intake manifold. When this air passes through the narrow part of the air horn or venturi, it’s speed rise and with the drop in the pressure, the gasoline in the drown through the main nozzle. The gasoline drawn in is blown by the fast  air-flow and vaporized and mixture is then drawn in the cylinder. That principle in this case is the same as that of household sprayer or atomize.

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