Filter apparatus and method of operating same

US4904282A · kind A · utility

Assignee

• LTG Lufttechnische Gesellschaft mit beschrankter Haftung · DE

Inventors

• Helmut Stuble · Spartanburg, US
• Heinz Burkhardt · Tamm, DE
• Josef Velinsky · Kornwestheim, DE

Key dates

• Filing date: Jun 15, 1988
• Grant date: Feb 27, 1990
• Expiry date: Jun 15, 2008

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D2273/28
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

An apparatus for filtering air containing textile impurities, comprises an air-permeable, fixed collecting device preferably of accordion shape, for separating the textile impurities. The collecting device has a number of filtering portions which can be cleaned by at least one suction device.