Multifunctional control valve for gas measurement instruments

US8955366B2 · kind B2 · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Klaus Abraham-Fuchs · Erlangen, DE
• Maximilian Fleischer · Ehrenkirchen, DE
• Karsten Hiltawsky · Stockelsdorf, DE
• Oliver Hornung · Fürth, DE
• Thomas Krüger-Sundhaus · Pommersfelden, DE
• Erhard Magori · Straubing, DE
• Peter Paulicka · Erlangen, DE
• Roland Pohle · Füssen, DE
• Oliver von Sicard · Munich, DE

Key dates

• Filing date: Sep 27, 2010
• Grant date: Feb 17, 2015
• Expiry date: Oct 20, 2033

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N33/497
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A multifunctional control valve for gas measurement instruments, e.g., for respiratory gas analysis, is disclosed. In at least one embodiment, the multifunctional control valve includes a first inlet opening, an outlet opening, a main line, and a bypass line, wherein a measurement chamber is in the main line, wherein the measurement chamber is arranged downstream of a first multiway valve which can selectively connect the main line or the bypass line with the inlet opening, and wherein the measurement chamber is arranged upstream of a second multiway valve which can selectively connect the main line or the bypass line with the outlet opening.