HYDRAULIC POSITIVE-DISPLACEMENT PUMP

摘要

In a hydraulic positive-displacement pump with at least one rotor (2) turning in a housing and fitted with pistons (8) or the like which form parts of the walls of rotating displacement chambers (11), the displacement chamber (11) concerned is connected on the pressure side of the pump with a plurality of outlet apertures (15) which succeed one another at a distance such that at least one of them is connected to at least one displacement chamber and to each of which is allocated a check valve.