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    Sensor interrogation
    141.
    发明授权
    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

    Applicant: MSA TECHNOLOGY, LLC

    Inventor： Towner Bennett Scheffler ,  Gregory L. Martin ,  Michael Alvin Brown

    IPC: G01N33/497 ,  G01N33/00 ,  G01N27/30 ,  G01N27/40 ,  G01N27/404 ,  G01N27/407

    Abstract: 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.

    Identification of combustible gas species via pulsed operation of a combustible gas sensor
    142.
    发明授权
    Identification of combustible gas species via pulsed operation of a combustible gas sensor 有权

    公开(公告)号：US10234412B2

    公开(公告)日：2019-03-19

    申请号：US15343956

    申请日：2016-11-04

    Applicant: MSA TECHNOLOGY, LLC

    Inventor： Meghan E. Swanson ,  Michael Alvin Brown

    IPC: G01N27/16 ,  G01N31/10 ,  G01N31/12 ,  G01N27/407 ,  F01N11/00 ,  G01N25/20 ,  G01M15/10 ,  G01N25/48 ,  G01N27/12

    Abstract: A combustible gas sensor includes a first sensing element, which includes a catalyst and a heating element in operative connection with the catalyst to heat the catalyst above a temperature to combust gas analytes of interest, and electronic circuitry in operative connection with the heating element of the first sensing element to periodically cycle the first sensing element between a temperature above the temperature to combust the analytes of interest and a temperature at which the catalyst is substantially inactive to catalyze oxidative combustion of the analytes of interest. The electronic circuitry is adapted to determine a species of at least one of the gas analytes of interest from a first output of the combustible gas sensor during an ON time within a cycle duration. The electronic circuitry is further adapted to determine a concentration of the species of gas from a second output of the combustible gas sensor.

    Breathing apparatus with tank alignment system
    143.
    发明授权
    Breathing apparatus with tank alignment system 有权

    公开(公告)号：US10166415B2

    公开(公告)日：2019-01-01

    申请号：US14144310

    申请日：2013-12-30

    Applicant: MSA TECHNOLOGY, LLC

    Inventor： Marco Tekelenburg ,  David J. Losos ,  Bryan J. Peoples

    IPC: A62B9/04 ,  A62B25/00 ,  A62B7/02

    Abstract: A system includes a carrier system adapted to be worn by a user and to support at least one of a plurality of differently sized tanks of breathing gas, a bracket connector attached to the carrier system, and a plurality of brackets. The carrier system may, for example, be part of a breathing apparatus such as a self-contained breathing apparatus. Each of the plurality of brackets has a different configuration. Each of the plurality of brackets is attachable to an associated one of the plurality of differently sized tanks and to the bracket connector. For each one of the plurality of brackets, an assembly that includes the one of the plurality of brackets and the associated one of the plurality of differently sized tanks, when attached to the bracket connector, positions the associated one of the plurality of differently sized tanks in a predetermined manner relative to the carrier system.

    Tolerance Ring in External Energy Absorber
    144.
    发明申请
    Tolerance Ring in External Energy Absorber 审中-公开

    公开(公告)号：US20180178046A1

    公开(公告)日：2018-06-28

    申请号：US15392369

    申请日：2016-12-28

    Applicant: MSA Technology, LLC

    Inventor： Benjamin T. Sepe ,  Karl Jones

    IPC: A62B35/04 ,  F16D59/00

    CPC classification number: A62B35/04 ,  A62B1/10 ,  F16D59/00 ,  F16D65/08

    Abstract: An external energy absorber may include a hub having a line associated therewith, the line including a first end directly or indirectly attached to the hub and a second end opposite the first end attached to a user, an energy absorbing arrangement directly or indirectly attached to the hub, the energy absorbing arrangement comprising an outer ring directly or indirectly attached to the hub, an inner ring directly or indirectly attached to a housing, and at least one energy absorbing member positioned between the outer ring and the inner ring, wherein the at least one energy absorbing member is configured to generate friction between the outer ring and the inner ring upon rotation of the hub, and the housing configured to hold the hub and energy absorbing arrangement.

    IDENTIFICATION OF COMBUSTIBLE GAS SPECIES VIA PULSED OPERATION OF A COMBUSTIBLE GAS SENSOR
    145.
    发明申请
    IDENTIFICATION OF COMBUSTIBLE GAS SPECIES VIA PULSED OPERATION OF A COMBUSTIBLE GAS SENSOR 审中-公开

    公开(公告)号：US20180128763A1

    公开(公告)日：2018-05-10

    申请号：US15343956

    申请日：2016-11-04

    Applicant: MSA TECHNOLOGY, LLC

    Inventor： Meghan E. Swanson ,  Michael Alvin Brown

    IPC: G01N27/16 ,  G01N31/10 ,  G01N31/12

    CPC classification number: G01N27/16 ,  F01N11/00 ,  G01M15/102 ,  G01N25/4873 ,  G01N27/124 ,  G01N27/407 ,  G01N31/10 ,  G01N31/12

    Abstract: A combustible gas sensor includes a first sensing element, which includes a catalyst and a heating element in operative connection with the catalyst to heat the catalyst above a temperature to combust gas analytes of interest, and electronic circuitry in operative connection with the heating element of the first sensing element to periodically cycle the first sensing element between a temperature above the temperature to combust the analytes of interest and a temperature at which the catalyst is substantially inactive to catalyze oxidative combustion of the analytes of interest. The electronic circuitry is adapted to determine a species of at least one of the gas analytes of interest from a first output of the combustible gas sensor during an ON time within a cycle duration. The electronic circuitry is further adapted to determine a concentration of the species of gas from a second output of the combustible gas sensor.

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