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The vapors which are displaced from the fuel tank by the incoming fuel are routed via the vapor vent line to the canister and are absorbed by activated carbon. These canisters are made of either steel or plastic. The size of this canister is tailored to accommodate expected evaporative emissions.
Fuel vapor storage canister for a Peugeot 205. Evaporative emissions are the result of gasoline vapors escaping from the vehicle's fuel system. Since 1971, all U.S. vehicles have had fully sealed fuel systems that do not vent directly to the atmosphere; mandates for systems of this type appeared contemporaneously in other jurisdictions.
The crankcase air outlet, where the PCV valve is located, is generally placed as far as possible from the crankcase breather. For example, the breather and outlet are frequently on opposite valve covers on a V engine, or on opposite ends of the valve cover on an inline engine. The PCV valve is often, but not always, placed at the valve cover ...
All metal fuel system components (fuel rail, injectors, tank ventilation valve, etc.) are made of stainless steel and are fastened together using coupling-type connectors. [3] Fuel tank and tank ventilation system: The fuel tank, tank filler neck, and evaporative canister are made of stainless steel.
The early fuel evaporator is a device found in some internal combustion engines with carburetors.It can sometimes be referred to as an electronic fuel evaporator. The device on a car, commonly referred to as an EFE heater, is located between the throttle body of the carburetor and the intake manifold as a gasket and contains a resistance grid that heats the air/fuel mixture.
Storage of fuel: the system must contain a given quantity of fuel and must avoid leakage and limit evaporative emissions. Filling: the fuel tank must be filled in a secure way, without sparks. Provide a method for determining level of fuel in tank, gauging (the remaining quantity of fuel in the tank must be measured or evaluated).