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Gas sensor with structure resistant to signal loss due to condensation

A gas sensor and gas diffuser technology, applied in instruments, scientific instruments, measuring devices, etc., can solve the problems of reducing sensor performance, catalyst pollution, etc.

Active Publication Date: 2019-01-01
HONEYWELL INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Additionally, sensor performance may be degraded when used in "dirty" environments such as flue gas emissions due to contamination of the catalyst

Method used

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  • Gas sensor with structure resistant to signal loss due to condensation
  • Gas sensor with structure resistant to signal loss due to condensation
  • Gas sensor with structure resistant to signal loss due to condensation

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Embodiment Construction

[0025] It should be understood from the outset that while the following describes exemplary implementations of one or more embodiments, the disclosed embodiments may be implemented using any number of techniques, whether currently known or not in existence. systems and methods. The present disclosure is in no way limited to the exemplary embodiments, drawings, and techniques described below, but may be modified within the scope of the appended claims and their full scope of equivalents.

[0026] The following simple definitions of terms shall apply throughout this application.

[0027] The term "comprising" means including but not limited to, and should be construed in the manner normally used in the context of this patent.

[0028] The phrases "in one embodiment," "according to an embodiment," etc. generally mean that the particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of the invention and can be included in th...

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Abstract

Embodiments of the present disclosure relate to a capillary controlled gas sensor including a cap assembly, wherein the cap assembly is operable to reduce the effects of condensation and pressure changes on the effectiveness of the gas sensor. The cap assembly includes a capillary-controlled gas flow path, a header control assembly, and a raised portion surrounded by a groove.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to PCT Application No. PCT / US2015 / 015140 (filed February 10, 2015 and entitled "GAS SENSORS WITH STRUCTURE TO RESIST SIGNAL LOSSES DUE TO CONDENSATION"), which claims the serial number of U.S. provisional patent applications 61 / 938,937 (filed February 12, 2014 and entitled "GAS SENSORS WITH STRUCTURE TO RESIST SIGNAL LOSSES DUE TO CONDENSATION"), both of which are incorporated herein by reference in their entirety. [0003] Statement Regarding Federally Sponsored Research or Development [0004] Not applicable. [0005] Reference to Microfiche Addendum [0006] Not applicable. Background technique [0007] For electrochemical oxygen sensors used to measure concentrations around ambient levels, it may be necessary to greatly restrict the ingress of oxygen into the sensor in order to ensure that kinetic effects within the cell do not dominate the behaviour. This typically requires the u...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/404G01N27/407G01N33/00
CPCG01N27/4077G01N27/28G01N27/407
Inventor P.C.维斯特马兰M.J.凯莉J.查普尔斯N.R.S.汉森
Owner HONEYWELL INT INC