Impeller for fluid pump, particularly liquid pump of internal combustion engine, has base body formed of plastic and coating consists of metal is arranged at base body

摘要

The impeller has a base body (5) formed of plastic. A coating (6) consists of a metal is arranged at the base body. The metal is formed as nano-crystalline. The coating consists of nickel, cobalt, iron, silver, titanium or copper. The coating completely covers the base body.