Centrifugal pump impeller

US5478200A · kind A · utility

Assignee

• KSB Aktiengesellschaft · DE

Inventors

• Sonke Brodersen · Schriesheim, DE
• Peter Hergt · Ludwigshafen, DE
• Wolfgang Metzinger · Pegnitz, DE
• Paul A. Krieger · North Ridgeville, US

Key dates

• Filing date: Apr 6, 1994
• Grant date: Dec 26, 1995
• Expiry date: Apr 6, 2014

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F05D2240/303
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A centrifugal pump impeller for delivering solids-containing media includes a blade having a beginning portion. In the plane of the middle blade surface, there is, in front of the blade beginnings, a very fiat transition from the impeller covering disks to the blade beginnings.