Cell pump with adjustable displacement with pivotable cam ring

摘要

The quantity-adjustable vane pump has a tilted valve spool (1), a drive shaft (3) supported in a pump housing (2), and an interior rotor (4) arranged on the drive shaft. A bearing element is provided, which acts around a bearing sleeve (16) with a flow opening (17), where the flow opening of the bearing sleeve is reciprocally arranged in the pump housing covers or in the pump housing.