VARIABLE DISPLACEMENT PUMP

摘要

The invention relates to a variable displacement pump for regulating the supply of a plurality of consumers, having a movable cam ring for adjusting the stroke of the variable displacement pump, and a control valve device. The invention is characterized in that the control valve device is hydraulically connected to a control chamber and a compensation chamber, from which pressure forces are exerted in opposing directions on the cam ring, wherein the pressures or volumes thereof can be controlled using the control valve device.