Patent ID: 6478548
Filing Date: 2002-11-12
Classification: F04B

Abstract:
A radial piston pump comprising(a) a plate-shaped housing having bores for conveying a fluid medium, (b) a drive unit joined to the housing at one side thereof and having a drive shaft projecting through the housing, (c) a storage container for the fluid medium fluid-tightly joined to the housing at a side thereof opposite to the one side, (c) pumping units comprising pump pistons arranged at the opposite side of the plate-shaped housing, the pump pistons circumferentially surrounding the drive shaft and being radially displaceable relative thereto, and (d) an eccentric actuator unit for radially displacing the pump pistons, the actuator unit having an axially extending bore receiving the drive shaft, being axially displaceably mounted on the drive shaft and keyed thereto for rotation therewith, and the actuator unit comprising (1) a cylindrical body having an axis inclined relative to the axis of the drive shaft and a like inclined surface bearing on the pump pistons.