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1. 发明专利

AU2018269399B2 Dynamic comparative diagnostics for catalytic structures and combustible gas sensors including catalytic structures 未知
公开(公告)号：AU2018269399B2
公开(公告)日：2021-08-12
申请号：AU2018269399
申请日：2018-04-28
申请人： MSA TECHNOLOGY LLC
发明人： ZANELLA SR MARK FLORI , BROWN MICHAEL ALVIN , SWANSON MEGHAN E , SANTORO JR , AUDIA JEFF , SHERRY RYAN ALAN
IPC分类号： G01N27/16 , G01N33/00
摘要： A combustible gas sensor for detecting an analyte gas includes a first element including a first electric heating element, a first support structure on the first electric heating element and a first catalyst supported on the first support structure and electronic circuitry in electrical connection with the first element. The electronic circuitry is configured to provide energy to the first element to heat the first element to at least a first temperature at which the first catalyst catalyzes combustion of the analyte gas and to determine if the analyte gas is present based on a response of the first element to being heated to at least the first temperature. The electronic circuitry is further configured to apply an interrogation pulse to the first element in which energy to the first element is increased or decreased to induce an associated response from the first element.

2. 发明专利

CA3003489C PULSED POTENTIAL GAS SENSORS 未知
公开(公告)号：CA3003489C
公开(公告)日：2021-07-27
申请号：CA3003489
申请日：2016-11-21
申请人： MSA TECHNOLOGY LLC
发明人： SCHEFFLER TOWNER BENNETT
IPC分类号： G01N27/404
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.

3. 发明专利

CA3143150A1 GAS SENSOR WITH SEPARATE CONTAMINANT DETECTION ELEMENT 未知
公开(公告)号：CA3143150A1
公开(公告)日：2020-12-17
申请号：CA3143150
申请日：2020-06-09
申请人： MSA TECHNOLOGY LLC
发明人： SWANSON MEGHAN E , SANTORO JR , BROWN MICHAEL ALVIN , ZANELLA SR , DETKA CHRISTOPHER S
IPC分类号： G01N27/14
摘要： A system for detecting an analyte gas in an environment includes a first gas sensor, a first contaminant sensor separate and spaced from the first gas sensor, and electronic circuitry in electrical connection with the first gas sensor to determine if the analyte gas is present based on a response of the first gas sensor. The electronic circuitry is further in electrical connection with the first contaminant sensor to measure a response of the first contaminant sensor over time. The measured response of the first contaminant sensor varies with an amount of one or more contaminants to which the system has been exposed in the environment over time.

4. 发明专利

AU2016375264B2 Pulsed potential gas sensors 未知
公开(公告)号：AU2016375264B2
公开(公告)日：2020-07-30
申请号：AU2016375264
申请日：2016-11-21
申请人： MSA TECHNOLOGY LLC
发明人： SCHEFFLER TOWNER BENNETT
IPC分类号： G01N27/404
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. 发明专利

CA3095062A1 POWER REDUCTION IN COMBUSTIBLE GAS SENSORS 未知
公开(公告)号：CA3095062A1
公开(公告)日：2020-01-23
申请号：CA3095062
申请日：2019-07-16
申请人： MSA TECHNOLOGY LLC
发明人： BROWN MICHAEL ALVIN , SWANSON MEGHAN E , ZANELLA SR MARK FLORI
IPC分类号： G01N27/16
摘要： A system includes a primary combustible gas sensor and a trigger combustible gas sensor including a first trigger element of low-thermal-mass which includes a first trigger heating element in operative connection with electronic circuitry. The trigger combustible gas sensor also includes a second trigger element of low thermal mass including a second trigger heating element. The second trigger element is also in operative connection with the electronic circuitry. The electronic circuitry further has a first trigger mode of operating in which the first trigger element is heated to a temperature at or above a temperature at which the first trigger element causes combustion of the at least one combustible gas analyte and wherein the second trigger element is operated as a trigger compensating element. The electronic circuitry is configured to operate the trigger combustible gas sensor to detect a value of a response at or above a threshold value. The primary combustible gas sensor is activated from a low-power state upon the threshold value being detected by the trigger combustible gas sensor.

6. 发明专利

MX370393B MECANISMO DE AJUSTE PARA UN ARREGLO DE BANDA PARA LA CABEZA DE UN CASCO DE SEGURIDAD. 未知
公开(公告)号：MX370393B
公开(公告)日：2019-12-11
申请号：MX2016002631
申请日：2014-08-20
申请人： MSA TECHNOLOGY LLC
发明人： ROBERT KLOTZ , KEVIN R KETTERER
IPC分类号： A42B3/14
摘要： Un mecanismo de ajuste para un arreglo de banda para la cabeza que incluye un botón giratorio que tiene un primer miembro de contacto; un miembro de eje giratorio para acoplarse a una guía de deslizamiento dentada de un miembro de banda para la cabeza; y un miembro giratorio de la guía de deslizamiento dentada, en donde durante el contacto entre el primer miembro de contacto y el miembro de eje, el miembro giratorio de la guía de deslizamiento dentada no gira, y en donde durante el contacto entre un segundo miembro de contacto y el miembro de eje, el miembro giratorio de la guía de deslizamiento dentada gira en una segunda dirección.

7. 发明专利

CA3096854A1 HARNESS CONNECTION ARRANGEMENT 未知
公开(公告)号：CA3096854A1
公开(公告)日：2019-10-17
申请号：CA3096854
申请日：2019-04-11
申请人： MSA TECHNOLOGY LLC
发明人： HETRICH MITCHELL H
IPC分类号： A62B35/00 , A44B11/00 , A44B11/25
摘要： A connection arrangement for use with a wearable body harness has a first connector having a body with a first portion of a locking mechanism and a second connector having a body with a second portion of the locking mechanism. The first portion of the locking mechanism has a tab connected to the body of the first connector and a slot having a first portion extending through the body of the first connector and a second portion extending through the tab. The second portion of the locking mechanism has a tongue configured for being received through the first portion of the slot, and an intermediate connecting element having a first end connected to the body of the second connector and a second end connected to the tongue. The second end of the intermediate connecting element is offset from the body of the second connector.

8. 发明专利

AU2018269399A1 Dynamic comparative diagnostics for catalytic structures and combustible gas sensors including catalytic structures 未知
公开(公告)号：AU2018269399A1
公开(公告)日：2019-08-22
申请号：AU2018269399
申请日：2018-04-28
申请人： MSA TECHNOLOGY LLC
发明人： ZANELLA SR MARK FLORI , BROWN MICHAEL ALVIN , SWANSON MEGHAN E , SANTORO DANIEL , AUDIA JEFF , SHERRY RYAN ALAN
IPC分类号： G01N27/16 , G01N33/00
摘要： A combustible gas sensor for detecting an analyte gas includes a first element including a first electric heating element, a first support structure on the first electric heating element and a first catalyst supported on the first support structure and electronic circuitry in electrical connection with the first element. The electronic circuitry is configured to provide energy to the first element to heat the first element to at least a first temperature at which the first catalyst catalyzes combustion of the analyte gas and to determine if the analyte gas is present based on a response of the first element to being heated to at least the first temperature. The electronic circuitry is further configured to apply an interrogation pulse to the first element in which energy to the first element is increased or decreased to induce an associated response from the first element.

9. 发明专利

AU2018269398A1 Comparative diagnostics for combustible gas sensors including catalytic structures 未知
公开(公告)号：AU2018269398A1
公开(公告)日：2019-08-08
申请号：AU2018269398
申请日：2018-04-28
申请人： MSA TECHNOLOGY LLC
发明人： ZANELLA SR MARK FLORI , SWANSON MEGHAN E , SANTORO DANIEL
IPC分类号： G01N27/16 , G01N27/12 , G01N33/00
摘要： A combustible gas sensor (200) for detecting an analyte gas includes a first element (110) including a first electric heating element (140), a first support structure (170) on the first electric heating element and a first catalyst supported on the first support structure and electronic circuitry (300) in electrical connection with the first element. The electronic circuitry is configured to operate in a first mode in which the first element (110) is operated at a first temperature at which the first catalyst catalyzes combustion of the analyte gas, and in a second mode wherein the first element is operated at a second temperature which is below the temperature at which the first catalyst catalyzed combustion of the analyte gas but at which Joule heating of the first element occurs. The electronic circuitry is further configured to measure a variable in the second mode related to a mass of the first element. The sensor may further include a second element (110a) which is operated in parallel, the second element may comprise a second catalyst.

10. 发明专利

CA177609S PRINTED CIRCUIT BOARD 未知
公开(公告)号：CA177609S
公开(公告)日：2018-09-17
申请号：CA177609
申请日：2017-10-10
申请人： MSA TECHNOLOGY LLC
摘要： The design consists of the features of shape, configuration and ornamentation for a PRINTED CIRCUIT BOARD shown in the drawings. The broken lines shown in the FIGS. 1-3 are for illustrative purposes only and form no part of the claimed design. Figure reference: FIG. 1 is a front view of the PRINTED CIRCUIT BOARD; FIG. 2 is a perspective view of FIG. 1; and FIG. 3 is a side view of FIG. 1.

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