Air cleaning apparatus and method for cleaning air

US6843835B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Daniele Fornai · Granaglione, IT
• Stylianos Kouvroukoglou · Kraainem, BE
• Patrizio Ricci · Wemmel, BE
• Renzo Rizzo · Cincinnati, US
• Sergio Rossi · Taufkirchen, DE
• Andrea Argentieri · Brussels, BE
• Stefano Scialla · Roma, IT

Key dates

• Filing date: Mar 25, 2002
• Grant date: Jan 18, 2005
• Expiry date: May 12, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S977/903
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

An air cleaning apparatus is disclosed which, in one embodiment, has: an inlet for ambient air; an outlet for purified air; a mechanism for the uptake of a scrubbing liquor and for the removal of impurities dissolved or dispersed in the ambient air by contact with said scrubbing liquor; an inlet for feeding a scrubbing liquor from a scrubbing liquor feeding tank; an outlet for discharging used scrubbing liquor; and a blower for drawing ambient air into the apparatus, flowing the air through the apparatus and discharging the purified air from the apparatus. A kit including an apparatus as described above and a refill of scrubbing liquor ingredients, or of a scrubbing liquor concentrate or of a ready-to-use scrubbing liquor is also disclosed.