Internal gear wheel pump, especially for electrohydraulic braking systems, has seal between housing or cover and axial disc in form of axial seal with supporting ring

摘要

The device has a shaft (2), a pinion (3) with external teeth, a hollow wheel (4) with internal teeth, an axial disc (7), a housing (5) and/or cover (6) and a pressure volume (8) bounding on the axial disc and the housing or cover. A seal (11) is provided between the housing or cover and the axial disc in the form of an axial seal with supporting ring.