VANE ROTOR FOR A ROTARY VOLUMETRIC PUMP

摘要

In a vane rotor (1) for a rotary pump, each of the radial slots (4) housing the vanes (5) ends with a widened blind bottom (6) having a cross-sectional profile which is defined by a pair of first arcs (6a) arranged with facing concavities and having radially outer ends joined with a respective wall (4a) of the slot itself, and by a connecting portion (6b) connecting the radially inner ends of the first arcs (6a).