Rotary valve for handling solid particulate material

US7597219B2 · kind B2 · utility

Assignee

• Owens Corning Intellectual Capital, LLC · US

Inventors

• Robert J. O'Leary · Newark, US
• Alvin L. Miller · Mount Holly, US
• John Hasselbach · Granville, US
• Michael W. Johnson · Rogers, US

Key dates

• Filing date: Dec 16, 2005
• Grant date: Oct 6, 2009
• Expiry date: Aug 15, 2027

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65G53/4633
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A rotary valve including a housing having an inner surface. A rotary assembly is positioned for rotation within the housing. The rotary assembly includes a plurality of radially outwardly extending vanes. The vanes extend toward the inner housing surface and are configured to transport material along the inner housing surface. Seal members are mounted upon the vanes. Spring members are secured to the vanes urging the seal members into contact with the inner housing surface.