Method for diagnosing evaporative losses from a fuel tank of an internal combustion engine; the method of diagnosis consisting of: isolating the tank; pressurizing/depressurizing the tank by means of a pneumatic machine driven by an electric motor; measuring the time profile of at least one characteristic value of the electric motor; and diagnosing the rate of evaporative loss from the tank as a function of the frequency range of the characteristic value of the electric motor.
Method for diagnosting evaporative losses from a fuel tank of an internal combastion engine
CAVINA, NICOLO';
2009
Abstract
Method for diagnosing evaporative losses from a fuel tank of an internal combustion engine; the method of diagnosis consisting of: isolating the tank; pressurizing/depressurizing the tank by means of a pneumatic machine driven by an electric motor; measuring the time profile of at least one characteristic value of the electric motor; and diagnosing the rate of evaporative loss from the tank as a function of the frequency range of the characteristic value of the electric motor.File in questo prodotto:
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