Impeller arrangement for pump, has plate or ring-like impeller body with two front sides, where multiple shovels are provided, which are fixed on former front surface

摘要

The impeller arrangement has a plate or ring-like impeller body (1) with two front sides. Multiple shovels (2) are provided, which are fixed on the former front surface. An impeller body or a ring body is provided, which is made of radial thermally flexible or shrink material arrangement around a desired overlapped depth. An independent claim is included for a method for manufacturing an impeller arrangement.