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    Gas turbine firing temperature control with air injection system
    23.
    发明授权
    Gas turbine firing temperature control with air injection system 有权

    公开(公告)号：US11754003B2

    公开(公告)日：2023-09-12

    申请号：US17232797

    申请日：2021-04-16

    Applicant: PowerPHASE LLC

    Inventor： Robert J. Kraft ,  Scott Auerbach ,  Sergio A. Arias Quintero ,  James H. Leahy, Jr.

    IPC: F02C9/50 ,  F02C9/00 ,  F02C3/30

    CPC classification number: F02C9/50 ,  F02C3/30 ,  F02C9/00 ,  F05D2260/99 ,  F05D2270/083 ,  F05D2270/30 ,  F05D2270/303

    Abstract: Systems and methods to control gas turbine firing temperatures during air injection. A method of achieving a desired firing temperature of a gas turbine engine during air injection comprises injecting compressed air into the gas turbine engine using an external source. The external source includes a compressor and a recuperator. The method comprises using a controller of the gas turbine engine to: (a) determine an air injection exhaust bias gain using an inlet temperature of the gas turbine engine; (b) calculate, based on the determined air injection exhaust bias gain and a flow rate of the injected compressed air, an air injection exhaust curve bias; and (c) change a fuel flow of the gas turbine engine by adding the air injection exhaust curve bias to an existing exhaust curve of the gas turbine engine to thereby achieve the desired firing temperature during air injection.

    Gas turbine energy supplementing systems and heating systems, and methods of making and using the same
    24.
    发明授权
    Gas turbine energy supplementing systems and heating systems, and methods of making and using the same 有权

    公开(公告)号：US11686250B2

    公开(公告)日：2023-06-27

    申请号：US17307003

    申请日：2021-05-04

    Applicant: PowerPHASE LLC

    Inventor： Robert J. Kraft

    IPC: F02C7/22 ,  F02C9/50 ,  F02C9/52

    CPC classification number: F02C7/22 ,  F02C9/50 ,  F02C9/52 ,  F05D2270/06 ,  F05D2270/071 ,  F05D2270/082 ,  F05D2270/331 ,  Y02E20/16

    Abstract: A system and method for increasing power output of a gas turbine. A method of increasing a power output of a gas turbine comprises providing an auxiliary system configured to be coupled to the gas turbine. The auxiliary system includes a natural gas engine, a compressor, and a heat exchanger fluidly coupled to the compressor. The method includes fluidly coupling the auxiliary system to a combustor case of the gas turbine. The method comprises operating the natural gas engine to drive the compressor to compress air to form compressed air and directing exhaust of the natural gas engine to the heat exchanger. The method includes heating the compressed air in the heat exchanger using the exhaust of the natural gas engine to form heated compressed air and injecting the heated compressed air into the combustor case of the gas turbine.

    Supplementary air injection system for gas turbines
    25.
    发明授权
    Supplementary air injection system for gas turbines 有权

    公开(公告)号：US11053851B2

    公开(公告)日：2021-07-06

    申请号：US15430138

    申请日：2017-02-10

    Applicant: PowerPHASE LLC

    Inventor： Robert J. Kraft

    IPC: F02C7/18 ,  F02C7/08 ,  F02C5/06 ,  F02C6/08

    Abstract: The present invention discloses embodiments for a power augmentation system of a gas turbine engine resulting in performance improvements while also improving efficiency. The invention provides systems and methods for generating a heated air supply by way of mixing compressed air from an electrically-driven process with air drawn from the engine compressor discharge plenum.

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