Safety systems for roller mills

US7926754B2 · kind B2 · utility

Assignee

• Gebr. Pfeiffer AG · DE

Inventors

• Dirk Hoffmann · Kürten, DE
• Otto Jung · Stuttgart, DE
• Karl-Heinz Schuette · Trippstadt, DE

Key dates

• Filing date: Apr 27, 2009
• Grant date: Apr 19, 2011
• Expiry date: Apr 27, 2029

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B02C15/006
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A drive systems for a roller mill is provided. To ensure the continuous availability of the mill, more than two drives are provided, wherein the at least two drives are capable of achieving the full grinding capacity of the roller mill.