Fuel system

4,830 views 15 slides Jan 06, 2020
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About This Presentation

Farm Machineries


Slide Content

Fuel System

The fuel system is made up of the fuel tank, pump, filter, and injectors or carburetor, and is responsible for delivering fuel to the engine as needed. Each component must perform flawlessly to achieve expected vehicle performance and reliability.

Jonas Hesselman  (1877 – 1957) The concept of direct fuel injection has been around since 1925 when Swedish engineer Jonas Hesselman   invented it. During WWII, some fighter planes were equipped with direct fuel injection to prevent stalling during high speed aerial maneuvers .

The main components of the fuel system include: fuel tank f uel pump f uel line fuel filter f uel pressure regulator injector/carburetor

Fuel Tank:  It acts as the reservoir for the vehicle's fuel. The tank has an electronic "trigger" that conveys information concerning the amount of fuel to the gas gauge.

Fuel Pump:  Its primary function is to draw fuel from the fuel tank and pump it into the internal combustion engine. There are two kinds of fuel pumps: mechanical and electric, which are used in vehicles with carburetors and electronic fuel injectors, respectively.

Fuel Line.  is a hose used to bring fuel from one point in a vehicle to another or from a storage tank to a vehicle. It is commonly made of reinforced rubber to prevent splitting and kinking.

Fuel Pressure Regulator. is an engine management component that is found in one form or another on virtually all internal combustion engines. It is a component of the vehicle's  fuel  system, and as it's name implies, is responsible for regulating the  pressure  of the  fuel  flowing through the system.

Fuel Filter.  It is fixed in both the ends of the fuel pumps to separate impurities from the fuel, thereby ensuring optimal engine performance.

Fuel Injector:  It is an electronic valve that opens/closes at regular intervals to deliver the right amount of fuel to the engine.

Carburetor:  Its main purpose is to mix the right amount of air and fuel and deliver it to the engine. The carburetor is the predecessor of the fuel injector.

PROPERTIES OF FUEL Fuel is a substance consumed by the engine to produce energy. The common fuels for internal combustion engines are: Petrol Power kerosene High speed diesel oil Light diesel oil.

QUALITY OF FUEL The quality of the fuel mainly depends upon the following properties: Volatility of the fuel Calorific value of the fuel Ignition quality of the fuel

Fuel System of Spark Engine
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