Agitator mill

US7216822B2 · kind B2 · utility

Assignee

• Bühler AG · CH

Inventors

• Norbert Stehr · Grünstadt, DE
• Philipp Schmitt · Lampertheim, DE

Key dates

• Filing date: Jul 1, 2005
• Grant date: May 15, 2007
• Expiry date: Nov 9, 2025

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B02C17/166
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

An agitator mill comprises an annular cylindrical exterior grinding chamber which is defined by an inner wall of a grinding receptacle and an outer wall of a rotor; and an interior grinding chamber which is defined by an inner wall of the rotor and an outer casing of an interior stator. The grinding chambers are interconnected by a deflection chamber. g<h applies to the radial gap width g of the exterior grinding chamber in relation to the radial gap width h of the interior grinding chamber.