Fuel injection pump

A fuel injection pump having at least one work chamber defined by a pump piston, which chamber communicates continuously with a distributor opening on a distributor rotating in a bore and coupled with a drive shaft and by means of this distributor opening the work chamber can upon the rotation of the distributor, be made to communicate in sequence during a supply stroke of the pump piston with supply lines disposed about the circumference of the bore and which leads to the fuel injection location, and the pump work chamber furthermore communicates continuously with a control groove in a jacket face of the distributor, said control groove being disposed obliquely with respect to the axis of said distributor cooperating with at least one opening discharging into the bore of a fuel conduit and communicates with a fuel supply source, and the distributor is axially displaceable with respect to said drive shaft while maintaining its rotational angle position and thus the rotational position of the control groove is variable with respect to the opening of the fuel conduit and of the drive shaft wherein the fuel conduit can be made to communicate via an electrically actuatable switching valve with the fuel supply source, and the switching valve is controllable during the intake stroke of the pump piston by an electrical control device in such a manner that the switching valve is at the latest opened after the opening, in its function as the metering opening of the fuel conduit, has been opened by the control groove and the switching valve is closed at a time that the control groove has still opened the opening of the fuel conduit, and that furthermore a transducer is associated with the distributor, said transducer has a movable part connected with the distributor and also has a stationary part, the stationary part being a receiver and the movable part having a control edge for triggering a pulse on the part of the receiver, an inclination B.sub.1 of the control edge being opposite in the displacement direction of the distributor from an inclination .alpha..sub.1 of the control groove, which transducer ascertains an axial position of the distributor as a signal for the rotational position of the control groove with respect to the opening of the fuel conduit, which signal serves as signal for the onset of the metering of the fuel to be injected which is controlled by a control device via the switching valve.