专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20220373568A1 SENSOR INTERROGATION 有权
公开(公告)号：US20220373568A1
公开(公告)日：2022-11-24
申请号：US17873671
申请日：2022-07-26
申请人： MSA TECHNOLOGY, LLC
发明人： Towner Bennett Scheffler , Michael Alvin Brown , Andrew E. Nalepa , Brian Keith Davis
IPC分类号： G01N35/00 , G01N33/00 , G01N33/497
摘要： A method of operating a sensor system including at least one sensor to detect a first gas analyte and a control system includes electronically interrogating the sensor to determine the operational status thereof and, based upon the results of the electronic interrogation, the control system initiating an automated maintenance procedure for the sensor.

2. 发明授权

US10551396B2 Sensor interrogation 有权
公开(公告)号：US10551396B2
公开(公告)日：2020-02-04
申请号：US15715610
申请日：2017-09-26
申请人： MSA TECHNOLOGY, LLC
发明人： Towner Bennett Scheffler , Michael Alvin Brown , Andrew E. Nalepa , Brian Keith Davis
IPC分类号： G01N35/00 , G01N33/497 , G01N33/00
摘要： A method of operating a sensor system including at least one sensor for detecting an analyte gas and a control system includes electronically interrogating the sensor to determine the operational status thereof and upon determining that the operational status is non-conforming based upon one or more predetermined thresholds, the control system initiating an automated calibration of the sensor with the analyte gas or a simulant gas.

3. 发明申请

US20210148849A1 SENSOR INTERROGATION 有权
公开(公告)号：US20210148849A1
公开(公告)日：2021-05-20
申请号：US17163710
申请日：2021-02-01
申请人： MSA TECHNOLOGY, LLC
发明人： Towner Bennett Scheffler , Michael Alvin Brown , Brian Keith Davis
IPC分类号： G01N27/26 , G01N33/00 , G01N33/497 , G01N27/417
摘要： A system includes a system housing including an inlet, at least one gas sensor responsive to a first analyte gas other than oxygen within the system housing and in fluid connection with the inlet, and a sensor responsive to oxygen within the system housing and in fluid connection with the inlet. The sensor responsive to oxygen is formed to be chemically separate from the at least one gas sensor responsive to the first analyte gas other than oxygen. The sensor responsive to oxygen is responsive to a change in the concentration of oxygen arising from creation of a driving force in the vicinity of the inlet to provide an indication of a state of a transport path between the inlet of the system and the at least one gas sensor responsive to the first analyte gas other than oxygen.

4. 发明授权

US10197525B2 Pulsed potential gas sensors 有权
公开(公告)号：US10197525B2
公开(公告)日：2019-02-05
申请号：US14976034
申请日：2015-12-21
申请人： MSA TECHNOLOGY, LLC
发明人： Towner Bennett Scheffler
IPC分类号： G01N27/404 , G01N27/30
摘要： A method of operating an electrochemical gas sensor, which includes at least one working electrode including an electrocatalyst and having a ratio of total electrochemically accessible surface area to geometrical surface area of at least 2:1, includes alternatively biasing a potential of the at least one working electrode to a first potential at which the electrocatalyst is active to catalyze a redox reaction of a first target gas and to a second potential, different from the first potential, at which the electrocatalyst is substantially inactive to catalyze the redox reaction of the first target gas, a plurality of times, measuring a first output signal arising from the redox reaction of the first target gas at the first potential, and deconvoluting the first output signal while the at least one working electrode is biased at the first potential to separate a portion of the first output signal arising from non-faradaic current to determine a concentration of the first target gas.

5. 发明授权

US11112378B2 Interrogation of capillary-limited sensors 有权
公开(公告)号：US11112378B2
公开(公告)日：2021-09-07
申请号：US16437743
申请日：2019-06-11
申请人： MSA TECHNOLOGY, LLC
发明人： Towner Bennett Scheffler
IPC分类号： G01N27/413 , G01N27/28 , G01N27/30 , G01N27/404
摘要： A method of operating a gas detection device including a capillary-limited, electrochemical gas sensor includes operating the gas sensor in a sensing mode during which a signal from the gas sensor is representative of a concentration of the analyte gas measured by the gas sensor and in an interrogation mode during which the gas sensor is electronically interrogated by applying an electric signal to the gas sensor to generate a non-faradaic current flow between a working electrode and a counter electrode without the application of a test gas, periodically entering the interrogation mode, measuring a parameter of a gas sensor output during the interrogation mode, comparing the measured parameter to one or more previously measured parameters, determining an operational state from the comparison, and returning the gas sensor to the sensing mode if the operational state is determined to be within a predetermined range.

6. 发明授权

US10451581B2 Sensor interrogation 有权
公开(公告)号：US10451581B2
公开(公告)日：2019-10-22
申请号：US15388132
申请日：2016-12-22
申请人： MSA Technology, LLC
发明人： Towner Bennett Scheffler , Michael Alvin Brown
IPC分类号： G01N27/406 , G01N27/30 , G01N33/00 , G01N33/497
摘要： A system for detecting an analyte gas including a system housing having an inlet system, an electrochemical gas sensor within the housing and in fluid connection with the inlet system, the electrochemical sensor including a working electrode responsive to the analyte gas, and a control system in electrical connection with the working electrode. The control system is operative to bias the working electrode at a first potential at which the electrochemical gas sensor is responsive to the analyte gas and operative to bias the working electrode at a second potential, different from the first potential, at which the electrochemical gas sensor is sensitive to a driving force created in the vicinity of the inlet system to test at least one transport path of the system.

7. 发明授权

US10302627B2 Sensor interrogation 有权
公开(公告)号：US10302627B2
公开(公告)日：2019-05-28
申请号：US15202367
申请日：2016-07-05
申请人： MSA TECHNOLOGY, LLC
发明人： Towner Bennett Scheffler , Gregory L. Martin , Michael Alvin Brown
IPC分类号： G01N33/497 , G01N33/00 , G01N27/30 , G01N27/40 , G01N27/404 , G01N27/407
摘要： A method of testing a system, which has at least one electrochemical sensor for detecting an analyte gas within a housing of the system, and the housing has an inlet, includes exhaling in the vicinity of the inlet of the housing of the system and measuring a response to exhaled breath to test one or more transport paths of the system. Measuring the response to exhaled breath may, for example, include measuring the response of a sensor within the housing of the system that is responsive to the presence of exhaled breath. The sensor responsive to the presence of exhaled breath may, for example, include an electrochemically active electrode responsive to a gas within exhaled breath. The electrochemically active electrode may, for example, be responsive to carbon dioxide or to oxygen.

8. 发明申请

US20180017589A1 SENSOR INTERROGATION 审中-公开
公开(公告)号：US20180017589A1
公开(公告)日：2018-01-18
申请号：US15715610
申请日：2017-09-26
申请人： MSA TECHNOLOGY, LLC
发明人： Towner Bennett Scheffler , Michael Alvin Brown , Andrew E. Nalepa , Brian Keith Davis
IPC分类号： G01N35/00 , G01N33/497 , G01N33/00
CPC分类号： G01N35/00693 , G01N33/007 , G01N33/497
摘要： A method of operating a sensor system including at least one sensor for detecting an analyte gas and a control system includes electronically interrogating the sensor to determine the operational status thereof and upon determining that the operational status is non-conforming based upon one or more predetermined thresholds, the control system initiating an automated calibration of the sensor with the analyte gas or a simulant gas.

9. 发明申请

US20170102352A1 SENSOR INTERROGATION 审中-公开
公开(公告)号：US20170102352A1
公开(公告)日：2017-04-13
申请号：US15388132
申请日：2016-12-22
申请人： MSA Technology, LLC
发明人： Towner Bennett Scheffler , Michael Alvin Brown
IPC分类号： G01N27/406 , G01N33/00 , G01N33/497
CPC分类号： G01N27/4065 , G01N27/304 , G01N33/007 , G01N33/497
摘要： A system for detecting an analyte gas including a system housing having an inlet system, an electrochemical gas sensor within the housing and in fluid connection with the inlet system, the electrochemical sensor including a working electrode responsive to the analyte gas, and a control system in electrical connection with the working electrode. The control system is operative to bias the working electrode at a first potential at which the electrochemical gas sensor is responsive to the analyte gas and operative to bias the working electrode at a second potential, different from the first potential, at which the electrochemical gas sensor is sensitive to a driving force created in the vicinity of the inlet system to test at least one transport path of the system.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式