"The system to qualify and inhibit the flow of combustu00ecveis automatically adulterated or contaminated.The present invention, for here to automobile fuels, liquid fuels, qualifies the tracks of density or specific weight cited here.And inhibit the flow of fuel when automatically disqualified, thus providing greater safety, efficiency and reliability for the quality, in a practical process and automatic.The said system is composed of the pipe (3) whose shape in cross-section as the figure (1) resembles a circle, in a continuous flow in path, connected directly to the flow of the fuel pump.And connected to the lower containers (7) and upper (11) in an inclined position 30 198 from vertical, which contain in each of them a vial (5 and 10) round.With the density or specific weight term - offset with respect to the density or specific weight of the fuel in the test.To qualify the fuel and to inhibit the flow of fuel when automatically disqualified, with the presence of one of the two ampoules (5 and 10) in the internal channel (3) of the pipe.Generating clogging by contact with a small and resistant barriers (8) within the pipe, which inhibit the flow.
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