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公开(公告)号：US20220205393A1
公开(公告)日：2022-06-30
申请号：US17696484
申请日：2022-03-16
Applicant: General Electric Company
Abstract: Methods and apparatus to operate a gas turbine engine with hydrogen gas are disclosed. An example combustor nozzle apparatus of a gas turbine engine includes injecting an other combustible gas into a combustor, comparing a power output of the gas turbine to a rated power threshold, and in response to the power output of the gas turbine satisfying the rated power threshold: injecting water into the combustor, injecting hydrogen into the combustor, and terminating injections of the other combustible gas.
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公开(公告)号：US11306661B1
公开(公告)日：2022-04-19
申请号：US17112615
申请日：2020-12-04
Applicant: General Electric Company
Abstract: Methods and apparatus to operate a gas turbine engine with hydrogen gas are disclosed. An example combustor nozzle apparatus of a gas turbine engine includes a first circuit to transport a blend of hydrogen gas, inert gas, and/or other combustible gas from a supply to a gas turbine combustor, the blend of hydrogen gas, inert gas, and/or other combustible gas including between 100% hydrogen gas, 100% inert gas, or 100% other combustible gas, a second circuit to transport water from the supply to the gas turbine combustor, and a nozzle tip. The nozzle tip includes a first outlet in connection with the second circuit to provide the water to the gas turbine combustor, and a second outlet in connection with the first circuit, the second outlet concentrically positioned within the first outlet to provide the blend of hydrogen gas, inert gas, and/or other combustible gas to the gas turbine combustor.
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公开(公告)号：US09500580B1
公开(公告)日：2016-11-22
申请号：US14730417
申请日：2015-06-04
Applicant: General Electric Company
Inventor： Chayan Mitra , Narendra Digamber Joshi , Vinayak Tilak , Gordon Raymond Smith , Eric YuHang Fung , Sandip Maity , Rachit Sharma , Steven Keith Handelsman
IPC: G01N21/3504 , G02B27/14 , G01N21/85
CPC classification number: G01N21/3504 , G01N21/85 , G01N33/0037 , G01N33/004 , G01N33/0054 , G01N2021/3129 , G01N2021/8578 , G02B27/141
Abstract: A gas detector and method are presented. The gas detector includes a launcher unit for coupling and merging light beams in mid-infrared and infrared wavelength ranges into a single light beam and directing the merged single light beam towards a gas flow path; a receiver unit for generating at least one photo detector current signal based on the light beam transmitted through the gas flow path; and a control unit for processing at least one photo detector current signal to measure concentration of the at least two gases present in the gas flow path.
Abstract translation: 提出了一种气体检测器和方法。 气体检测器包括用于将中红外和红外波长范围内的光束耦合并合并成单个光束并将合并的单个光束导向气体流动通道的发射单元; 接收器单元，用于基于透过气体流路的光束产生至少一个光电检测器电流信号; 以及控制单元，用于处理至少一个光电检测器电流信号，以测量气流路径中存在的至少两种气体的浓度。
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