Star-shaped piston cylinder assembly e.g. radial piston pump

摘要

The displaceable pistons are connected to the shaft by connecting rods (7) whose inner ends are fixed at different points of the circumference of a common ring (8). The connecting rods can be swivelled opposite the ring in the plane of the ring. The common ring engages round an eccentric (9) and is rotatable about the eccentric axially parallel with the shaft (2). The ring has recesses connected through a gap to the radially outer side (11). The connecting rods pass through the gap and have a thickened area at the end whose diameter exceeds that of the gap and fits in the recess.