Patent · US Active

Filter for a respiratory air analyzer, respiratory air analyzer and method for monitoring a filter

US11047820B2 · kind B2 · utility

0Cited by

0References

15Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Heike Vogel · Waiblingen, DE
Christina Herlt · Waiblingen, DE
Kathy Sahner · Mannheim, DE
Hubert Wittmann · Amberg, DE

Key dates

Filing date	May 3, 2016
Grant date	Jun 29, 2021
Priority date	—
Expiry date	Feb 9, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG01N1/2205
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A filter for a respiratory air analyzer includes a filter housing, a converter material, and a sensor arranged in the filter housing. The converter material is arranged in the filter housing between a gas inlet opening and a gas outlet opening. The sensor has a first electrode and a second electrode that are configured to record a characteristic of at least a part of the converter material that is arranged between the first and second electrodes.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.