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AssigneeRobert Bosch GmbH
InventorsJosef Wahl, Alf Loffler, Hermann Grieshaber, Wilhelm Polach, Ewald Eblen, Joachim Tauscher, Helmut Laufer, Ulrich Flaig, Johannes Locher, Manfred Birk, Gerhard Engel, Alfred Schmitt, Pierre Lauvin, Fridolin Piwonka, Anton Karle, Hermann Kull
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The invention is directed to a method and an arrangement for controlling the fuel injection in a high-pressure fuel pump. Magnetic valves determine the fuel quantity to be injected into the engine. The magnetic valve is controlled during the pumping phase of the pumping element in such a manner that first a preinjection and then a main injection is carried out. In specific operating conditions, the control apparatus determines the duration of the drive pulses for the magnetic valve at which a preinjection just takes place. With the duration of the drive pulses as a basis, the control apparatus forms compensating signals for the drive pulses which effect preinjection and stores the same.
An arrangement for controlling the injection of fuel in a high-pressure fuel pump having a pumping element and wherein at least one magnetic valve determines the quantity of fuel to be injected into the engine, the arrangement comprising:
A method for controlling the injection of fuel in a high-pressure fuel pump having a pumping element and wherein at least one magnetic valve determines the quantity of fuel to be injected into the engine, the method comprising the steps of:
Dependencies are inferred from the claim text.