Assembly of a filter and a ring

摘要

The filter has a ring (2) mounted on a disk shaped filter (1) with a predetermined radial clearance and radially adjustable in position with respect to the filter. The ring is blocked in rotation with respect to the filter, where the filter includes notches (11). The ring includes a body, a set of lugs (212) and another set of lugs (211) radially extended in the corresponding notches, where the ring is made of plastic material. The filter is placed between the former set of lugs and the body and is made of steel or bronze. An independent claim is also included for a pump comprising a turbine and a motor.