A VIBRATION PUMP

摘要

A vibration pump comprises: a housing (1) accomodating a linear electromagnetic motor with a moveable armature (2), an inner yoke (3) and an exciting winding (4); a rod (5) with a working unit (6) mounted thereon, the rod being mounted in the hydraulic chamber (7) and connected to the moveable armature (2); an elastic damper (8) situated between the moveable armature (2) and the hydraulic chamber and connected to the former. In addition, an elastic element (9) and a rectifier diode (10) are also provided. The elastic element (9) is arranged between the inner yoke (3) and the moveable armature (2). The rectifier diode is connected to an output of the exciting winding.