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    ENHANCEMENTS TO LASER SPECTROSCOPY MODELING BY MEASUREMENT OF HYDROCARBON FUEL GAS COMPOSITIONS
    2.
    发明公开
    ENHANCEMENTS TO LASER SPECTROSCOPY MODELING BY MEASUREMENT OF HYDROCARBON FUEL GAS COMPOSITIONS 审中-公开

    公开(公告)号：US20230417656A1

    公开(公告)日：2023-12-28

    申请号：US17849360

    申请日：2022-06-24

    Applicant: ABB Schweiz AG

    Inventor： Raphaël Desbiens ,  John Brian Leen ,  Kyle Owen

    IPC: G01N21/31 ,  G01N33/00

    CPC classification number: G01N21/31 ,  G01N33/0044 ,  G01N33/004 ,  G01N2201/0612

    Abstract: The present disclosure relates to measuring chemical constituents and associated properties of hydrocarbon fuel mixtures, and further relates to tunable diode laser absorption spectrometry gas analyzers having improved chemometric models. Methods described herein include setting gas concentration fit coefficients to a chemometric model for the measured gas concentration data for each of one or more background; wherein the chemometric model employs a broadband offset basis to a final basis set spectrum for the one or more gaseous target components; applying an iterative mathematical model to the measured light absorption data by iteratively adjusting target component fit coefficients until the measured light absorption data matches the chemometric model; and, determining a calculated amount of the one or more target components within the sample gas mixture by applying the gas concentration fit coefficients and the target component fit coefficients to the measured light absorption data and to the measured gas concentration data.

    PUMP MANIFOLD WITH REDUNDANCY FOR GAS EXTRACTION SYSTEM
    4.
    发明公开
    PUMP MANIFOLD WITH REDUNDANCY FOR GAS EXTRACTION SYSTEM 审中-公开

    公开(公告)号：US20230418314A1

    公开(公告)日：2023-12-28

    申请号：US17849400

    申请日：2022-06-24

    Applicant: ABB Schweiz AG

    Inventor： Alexandre Boivin ,  Marc Burnett ,  Dominic Michaud ,  Kyle Owen ,  Axel Meunier ,  John Brian Leen

    IPC: G05D7/06 ,  F16L41/03

    CPC classification number: G05D7/0682 ,  F16L41/03

    Abstract: The present disclosure relates to systems and methods that include a multiple pump manifold to provide redundancy for use with high availability gas extraction system in industrial instrumentation. A method of operating a redundant pump assembly including operating a first pump of a plurality of pumps for an operation period; validating a second pump of the plurality of pumps at the end of the operation period of the first pump; validating a third pump of the plurality of pumps at the end of the operation period of the first pump; and, operating the third pump for the operation period, where the second pump and third pump are validated as operational.

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