Multi-piece valve disk

US8746657B2 · kind B2 · utility

Assignee

• KRONES AG · DE

Inventors

• Martin Sauer · Altisheim, DE
• Dieter Weimer · Aalen, DE

Key dates

• Filing date: Jun 21, 2011
• Grant date: Jun 10, 2014
• Expiry date: Sep 25, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T137/88038
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A multi-piece valve disk of a sliding and/or seat valve, a ring seal with an elastic sealing ring with an external sealing zone is placed in a ring groove of the valve disk onto a dimensionally stable backup ring, and where an elastic restoring region effectively positioned between the backup ring and the external sealing zone is arranged in the backup ring, the restoring region being embodied in one piece with the sealing ring of its material adjacent to the external sealing zone of the sealing ring.