Device for absorbing a gas mixture consisting of laughing gas and anesthetic vapor

US5928411A · kind A · utility

Assignee

• DRAGERWERK AKTIEGESELLSCHAFT · DE

Inventors

• Wolfgang Falb · Krummesse, DE
• Karl-Ludwig Gippert · Lübeck, DE
• Uwe Bausch · Wulfen, DE
• Dirk-Stefan Reichert · Lübeck, DE
• Stefan Linke · Koblenzer Straße, DE
• Udo Feldhoff · Malkendorf, DE

Key dates

• Filing date: Jul 21, 1997
• Grant date: Jul 27, 1999
• Expiry date: Jul 21, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S95/902
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A device for removing at least laughing gas and anesthetic vapor from a gas sample based on a molecular sieve shall be improved such that it possesses good adsorption properties for both gas components. A molecular sieve arrangement is provided, which is flown through from a gas inlet to a gas outlet and comprises a first molecular sieve area with a first pore size between about 0.3 nm and 0.5 nm and a second molecular sieve area with a second pore size between about 0.8 nm and 1 nm.