Vane pump, has housing and curve ring between which extended sealed border is provided and spring support supported against housing and formed by bending bar in form of leaf spring

摘要

The pump has a housing (3) and a curve ring (7) between which an extended sealed border (10) is provided. Pressure chambers (8, 9) lie on both sides of the sealed border. The curve ring is admitted in the direction of one of the pressure chambers. A spring support (18) is supported against the housing and is formed by a bending bar in the form of a leaf spring. A partition wall of the spring support has a throttled passage opening.