Slot valve for use in the pneumatic switching circuit of a respirator

US8662104B2 · kind B2 · utility

Assignee

• Dräger Medical GmbH · DE

Inventors

• Hans-Ulrich Hansmann · Reinfeld, DE
• Kirll Koulechov · Wulfen, DE
• Tilman von BLUMENTHAL · Wulfen, DE
• Andreas Hengstenberg · Reinfeld, DE
• Andreas Neumann · Hamburg, DE
• Torge WALL · Wulfen, DE
• Andreas Otto · Fürth, DE
• Markus Kaemer · Langenau, DE

Key dates

• Filing date: Mar 5, 2010
• Grant date: Mar 4, 2014
• Expiry date: Oct 8, 2030

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T137/7885
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A slot valve (20) for use in the pneumatic switching circuit of a respirator, wherein said slot valve is designed to act bidirectionally and to pass over into the opened state to make possible the flow of a fluid at different pressure threshold values depending on the direction of flow of a fluid.