Abstract: A fuel injection pump is proposed, with an annular slide (20) that is displaceable on the pump piston by a governor and that has a control edge by which a relief conduit of the pump work chamber can be opened in the course of the pump piston supply stroke; the relief conduit portion emerging from the jacket face of the pump piston is embodied as a radial bore (18), and the fuel stream emerging from it is deflected by a deflection face (34) on the annular slide or a deflection face (76) on the pump piston, in such a manner that the stream is deflected out of the radial plane, avoiding axially active pressure zones, so that varying axial loads resulting from the various diversion events on one another on the control slide are avoided, and thus fluctuations in injection quantity from one injection event to another and the strain on parts of the governor are reduced as well.

Abstract: A fuel injection pump is disclosed in which the stroke disk of a rotating and reciprocating pump and distributor piston is supported on a rotatable roller ring. The roller ring is axially supported such that it slides on a support ring. In order to assure good lubrication of the supporting face of the support ring, the support ring has a plurality of flutes or grooves extending radially in its face oriented toward the roller ring. The grooves communicate with a radial conduit that is formed by an undercut or chamfer in the support ring.

Abstract: The vane-cell pump of a fuel injection pump for internal combustion engines has one or more adjustable throttle restrictions disposed on the intake side and/or on the compression side.By adjusting the particular throttle restriction, the slope of the characteristic curve of the course of the supply pump pressure can be influenced. In this way, it is possible to effect an increase in the slope over the entire rpm range, an increase only in the upper rpm range, or a lesser increase in slope only in the upper rpm range. The invention contemplates several embodiments which essentially cover location of the throttle restriction in the fuel injection pump.