VANE PUMP

摘要

The invention relates to a vane pump (1) comprising an electrical drive unit having an electric motor and a motor shaft (6), a pump chamber (2) connecting to the electrical drive unit, a rotor (7) having a quantity of sliders (8) and disposed concentrically to the motor shaft (6) within the pump chamber (2), wherein the motor shaft (6) engages with the rotor (7) by means of a pusher dog (9) rotationally fixed to the motor shaft (6) and the pusher dog (9) comprises at least one tappet (90) engaging in a corresponding rotor recess (72), wherein the at least one rotor recess (72) is oval in shape and the tappet (90) is contoured such that two first slightly curved contour segments (91, 92) each form a contact region with one elongated surface segment (721) of the rotor recess (72).