Distributor increasing amount of fuel. / p & & p & the dispenser comprises a feed orifice 58 and an element of the metering valve 136 cooperating; a winding of solenoid 42 is placed in the manner to modify, during its excitation and of its deexcitation, the position of the element of the metering valve with respect to the feed orifice, the winding solenoid being excited by means of a control means associated with 82 that react to the conditions corresponding to the needs of the fuel is delivered to the motor in order to remove, alternately, the element of the metering valve to close and the spacing of the feed orifice cooperating, thus, to control the metering through said orifice, which is reflected by the passage of the flow of fuel required dose. / p & & p & it thus provides a better precision of metering and a purification more thrust of the exhaust gases of
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