Patents by Inventor Shih-Yang Hsieh
Shih-Yang Hsieh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11923586Abstract: A combustion section defines an axial direction, a radial direction, and a circumferential direction. The combustion section includes a casing that defines a diffusion chamber. A combustion liner is disposed within the diffusion chamber and defines a combustion chamber. The combustion liner is spaced apart from the casing such that a passageway is defined between the combustion liner and the casing. A fuel cell assembly is disposed in the passageway. The fuel cell assembly includes a fuel cell stack having a plurality of fuel cells each extending between an inlet end and an outlet end. Each fuel cell of the plurality of fuel cells includes an air channel and a fuel channel each fluidly coupled to the combustion chamber.Type: GrantFiled: November 10, 2022Date of Patent: March 5, 2024Assignee: General Electric CompanyInventors: Seung-Hyuck Hong, Richard L Hart, Honggang Wang, Anil Raj Duggal, Michael Anthony Benjamin, Andrew Wickersham, Shih-Yang Hsieh
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Patent number: 10767866Abstract: A micromixer of a gas turbine has a plurality of tubes each having an inlet and an outlet for receiving a flow and dispersing the flow to a combustor. At least some of the tubes have a liquid fuel injector, and the liquid fuel injector projects into one of the tubes. The liquid fuel injector has a ramped upstream surface and two converging side surfaces. The ramped upstream surface compresses the flow passing thereover, and a top surface of the liquid fuel injector comprises a liquid fuel outlet.Type: GrantFiled: July 11, 2018Date of Patent: September 8, 2020Assignee: General Electric CompanyInventors: Owen James Sullivan Rickey, Joel Meier Haynes, Su Cao, Shih-Yang Hsieh
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Publication number: 20200018484Abstract: A micromixer of a gas turbine has a plurality of tubes each having an inlet and an outlet for receiving a flow and dispersing the flow to a combustor. At least some of the tubes have a liquid fuel injector, and the liquid fuel injector projects into one of the tubes. The liquid fuel injector has a ramped upstream surface and two converging side surfaces. The ramped upstream surface compresses the flow passing thereover, and a top surface of the liquid fuel injector comprises a liquid fuel outlet.Type: ApplicationFiled: July 11, 2018Publication date: January 16, 2020Applicant: General Electric CompanyInventors: Owen James Sullivan Rickey, Joel Meier Haynes, Su Cao, Shih-Yang Hsieh
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Publication number: 20190368738Abstract: A liquid fuel injection assembly for a gas turbine engine is provided. The liquid fuel injection assembly includes at least one micromixer, at least one liquid fuel injection nozzle, and at least one post. The at least one micromixer includes at least one wall defining a conduit. The at least one liquid fuel injection nozzle extends from the at least one wall into the conduit. The at least one liquid fuel injection nozzle has a first drag coefficient. The at least one liquid fuel injection nozzle is configured to inject a flow of liquid fuel into the flow of air. The at least one post extends from the at least one wall and circumscribes the at least one liquid fuel injection nozzle. The liquid fuel injection nozzle and post have a second drag coefficient. The first drag coefficient is greater than the second drag coefficient.Type: ApplicationFiled: June 1, 2018Publication date: December 5, 2019Inventors: Owen James Sullivan Rickey, Joel Meier Haynes, Shih-Yang Hsieh, Su Cao, Seung-Hyuck Hong
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Patent number: 10352570Abstract: A fuel injection system for use in a combustor of a turbine engine includes a mixer assembly including a mixer housing and a fuel nozzle assembly positioned radially inward of the mixer housing. The fuel nozzle assembly includes a substantially annular fuel injection housing and a substantially annular main fuel injector coupled to the fuel injection housing. The main fuel injector includes a body, a fuel delivery passage defined in the body, a swirl chamber defined in the body downstream of the fuel delivery passage, and a plurality of circumferentially-spaced fuel metering slots defined in the body and coupled in flow communication with and between the fuel delivery passage and the swirl chamber.Type: GrantFiled: March 31, 2016Date of Patent: July 16, 2019Assignee: General Electric CompanyInventors: Krishnakumar Venkatesan, Michael Anthony Benjamin, Shih-Yang Hsieh, Yuxin Zhang, Owen James Sullivan Rickey, Nayan Vinodbhai Patel, Duane Douglas Thomsen, Kevin Vandevoorde
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Publication number: 20170284678Abstract: A fuel injection system for use in a combustor of a turbine engine includes a mixer assembly including a mixer housing and a fuel nozzle assembly positioned radially inward of the mixer housing. The fuel nozzle assembly includes a substantially annular fuel injection housing and a substantially annular main fuel injector coupled to the fuel injection housing. The main fuel injector includes a body, a fuel delivery passage defined in the body, a swirl chamber defined in the body downstream of the fuel delivery passage, and a plurality of circumferentially-spaced fuel metering slots defined in the body and coupled in flow communication with and between the fuel delivery passage and the swirl chamber.Type: ApplicationFiled: March 31, 2016Publication date: October 5, 2017Inventors: Krishnakumar Venkatesan, Michael Anthony Benjamin, Shih-Yang Hsieh, Yuxin Zhang, Owen James Sullivan Rickey, Nayan Vinodbhai Patel, Duane Douglas Thomsen, Kevin Vandevoorde
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Patent number: 8716512Abstract: A method for preparing and purifying recombinant lipoprotein Ag473 of Neisseria meningitidis (NM) group B isolates. The method can be used in large-scale production of vaccines for Neisseria meningitidis (NM) group B.Type: GrantFiled: August 11, 2011Date of Patent: May 6, 2014Assignee: National Health Research InstitutesInventors: Shih-Yang Hsieh, Pele Choi-Sing Chong, Chang-Ling Lin, Chih-Hsiang Leng
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Patent number: 8607575Abstract: A method for actively controlling fuel flow from a fuel pump to a mixer assembly of a gas turbine engine combustor, where the mixer assembly includes a pilot mixer and a main mixer. The pilot mixer further includes an annular pilot housing having a hollow interior, a primary fuel injector mounted in the pilot housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing, a plurality of axial swirlers positioned upstream from the primary fuel injector. The fuel flow control apparatus further includes: at least one sensor for detecting dynamic pressure in the combustor; a fuel nozzle; and, a system for controlling fuel flow supplied by the fuel nozzle through the valves. The fuel nozzle includes: a feed strip with a plurality of circuits for providing fuel to the pilot mixer and the main mixer; and, a plurality of valves associated with the fuel nozzle and in flow communication with the feed strip thereof.Type: GrantFiled: July 6, 2010Date of Patent: December 17, 2013Assignee: General Electric CompanyInventors: William Joseph Myers, Jr., Alfred Albert Mancini, George Chia-Chun Hsiao, Shui-Chi Li, Shih-Yang Hsieh, Hukam Chand Mongia
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Patent number: 8232446Abstract: A transgenic mouse expressing JSRV Env transgene that is operably linked to a surfactant protein C promoter (SPCp) is disclosed. The transgenic mouse is prone to developing a lung tumor and serves as an animal model for human lung carcinoma.Type: GrantFiled: January 28, 2010Date of Patent: July 31, 2012Assignee: National Health Research InstitutesInventors: Yen-Hung Chow, Shih-Yang Hsieh
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Publication number: 20120041179Abstract: A method for preparing and purifying recombinant lipoprotein Ag473 of Neisseria meningitidis (NM) group B isolates. The method can be used in large-scale production of vaccines for Neisseria meningitidis (NM) group B.Type: ApplicationFiled: August 11, 2011Publication date: February 16, 2012Applicant: National Health Research InstitutesInventors: Shih-Yang Hsieh, Pele Choi-Sing Chong, Chang-Ling Lin, Chih-Hsiang Leng
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Patent number: 8001761Abstract: An apparatus for actively controlling fuel flow from a fuel pump to a mixer assembly of a gas turbine engine combustor, where the mixer assembly includes a pilot mixer and a main mixer. The pilot mixer further includes an annular pilot housing having a hollow interior, a primary fuel injector mounted in the pilot housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing, a plurality of axial swirlers positioned upstream from the primary fuel injector. The fuel flow control apparatus further includes: at least one sensor for detecting dynamic pressure in the combustor; a fuel nozzle; and, a system for controlling fuel flow supplied by the fuel nozzle through the valves. The fuel nozzle includes: a feed strip with a plurality of circuits for providing fuel to the pilot mixer and the main mixer; and, a plurality of valves associated with the fuel nozzle and in flow communication with the feed strip thereof.Type: GrantFiled: May 23, 2006Date of Patent: August 23, 2011Assignee: General Electric CompanyInventors: William Joseph Myers, Jr., Alfred Albert Mancini, George Chia-Chun Hsiao, Shui-Chi Li, Shih-Yang Hsieh, Hukam Chand Mongia
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Publication number: 20110000219Abstract: An apparatus for actively controlling fuel flow from a fuel pump to a mixer assembly of a gas turbine engine combustor, where the mixer assembly includes a pilot mixer and a main mixer. The pilot mixer further includes an annular pilot housing having a hollow interior, a primary fuel injector mounted in the pilot housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing, a plurality of axial swirlers positioned upstream from the primary fuel injector. The fuel flow control apparatus further includes: at least one sensor for detecting dynamic pressure in the combustor; a fuel nozzle; and, a system for controlling fuel flow supplied by the fuel nozzle through the valves. The fuel nozzle includes: a feed strip with a plurality of circuits for providing fuel to the pilot mixer and the main mixer; and, a plurality of valves associated with the fuel nozzle and in flow communication with the feed strip thereof.Type: ApplicationFiled: July 6, 2010Publication date: January 6, 2011Inventors: WILLIAM JOSEPH MYERS, JR., Alfred Albert Mancini, George Chia-Chun Hsiao, Shui-Chi Li, Shih-Yang Hsieh, Hukam Chand Mongia
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Patent number: 7762073Abstract: A mixer assembly for use in a combustion chamber of a gas turbine engine includes a pilot mixer, a main mixer, and a fuel manifold. The pilot mixer includes: an annular pilot housing having a hollow interior, a primary fuel injector mounted in the pilot housing, a plurality of axial swirlers positioned upstream from the primary fuel injector, and a plurality of secondary fuel injection ports for introducing fuel into the hollow interior of the pilot housing. The main mixer includes: a main housing surrounding the pilot housing and defining an annular cavity, a plurality of fuel injection ports, and at least one swirler positioned upstream from the plurality of fuel injection ports. The fuel manifold is in flow communication with the plurality of secondary fuel injection ports in the pilot mixer and the plurality of fuel injection ports in the main mixer.Type: GrantFiled: March 1, 2006Date of Patent: July 27, 2010Assignee: General Electric CompanyInventors: Shui-Chi Li, Shih-Yang Hsieh, George Chia-Chun Hsiao, Hukam Chand Mongia
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Mixer assembly for combustor of a gas turbine engine having a plurality of counter-rotating swirlers
Patent number: 7581396Abstract: A mixer assembly for use in a combustor of a gas turbine engine, including a pilot mixer, a main mixer, and a fuel manifold positioned between the pilot mixer and the main mixer. The pilot mixer further includes an annular pilot housing having a hollow interior and a pilot fuel nozzle mounted in the pilot housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing. The main mixer further includes a main housing surrounding the pilot housing and defining an annular cavity, a plurality of fuel injection ports for introducing fuel into the cavity, and a swirler arrangement including at least three swirlers positioned upstream from the plurality of fuel injection ports, wherein each swirler of the swirler arrangement has a plurality of vanes for swirling air traveling through the respective swirler to mix air and the droplets of fuel dispensed by the fuel injection ports.Type: GrantFiled: July 25, 2005Date of Patent: September 1, 2009Assignee: General Electric CompanyInventors: Shih-Yang Hsieh, George Chia-Chun Hsiao, Shui-Chi Li, Hukam Chand Mongia -
Patent number: 7565803Abstract: A swirler arrangement for a mixing assembly of a gas turbine engine combustor, where the swirler arrangement has a centerline axis therethrough, including: a swirler housing including an outer radial wall and an upstream wall; a first plurality of vanes incorporated into the outer radial wall, wherein the first plurality of vanes are oriented at a first angle with respect to an axis through the outer radial wall; and, a second plurality of vanes incorporated into the outer radial wall, wherein the second plurality of vanes are oriented at a second angle with respect to the through the outer radial wall. A first type of passage is defined between adjacent first and second vanes having a first configuration and a second type of passage is defined between adjacent first and second vanes having a second configuration so that air flowing through the swirler arrangement is swirled in a desirable manner.Type: GrantFiled: July 25, 2005Date of Patent: July 28, 2009Assignee: General Electric CompanyInventors: Shui-Chi Li, Shih-Yang Hsieh, George Chia-Chun Hsiao, Hukam Chand Mongia
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Publication number: 20090113893Abstract: A mixer assembly for use in a combustion chamber of a gas turbine engine including a pilot mixer, a main mixer, and a fuel manifold. The pilot mixer includes: an annular pilot housing having a hollow interior; a primary fuel injector mounted in the pilot housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing; a plurality of axial swirlers positioned upstream from the primary fuel injector, each of the plurality of swirlers having a plurality of vanes for swirling air traveling through the respective swirler to mix air and the droplets of fuel dispensed by the primary fuel injector; and, a plurality of secondary fuel injection ports for introducing fuel into the hollow interior of the pilot housing.Type: ApplicationFiled: March 1, 2006Publication date: May 7, 2009Inventors: Shui-Chi Li, Shih-Yang Hsieh, George Chia-Chun Hsiao, Hukam Chand Mongia
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Patent number: 7464553Abstract: A mixer assembly for use in a combustion chamber of a gas turbine engine includes a pilot mixer, a main mixer, and a fuel manifold positioned between the pilot mixer and main mixer. The pilot mixer includes an annular pilot housing having a hollow interior and a pilot fuel nozzle mounted in the housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing.Type: GrantFiled: July 25, 2005Date of Patent: December 16, 2008Assignee: General Electric CompanyInventors: Shih-Yang Hsieh, George Chia-Chun Hsiao, Shui-Chi Li, Hukam Chand Mongia
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Publication number: 20070028595Abstract: A gas turbine engine having a longitudinal centerline axis therethrough, including a fan section at a forward end of the gas turbine engine for producing a first compressed air flow; a first compressor positioned downstream of the fan section and in flow communication with at least a portion of the first compressed air flow, wherein the first compressor produces a second compressed air flow having a designated pressure; a combustor positioned downstream of the first compressor and in flow communication with second compressed air flow, wherein the combustor produces combustion products from a mixture of fuel and air; a first turbine positioned downstream of the combustor and in flow communication with combustion products, wherein the first turbine powers the first compressor by means of a first rotatable drive shaft connected therebetween; and, a second turbine positioned downstream of the first turbine and in flow communication with the combustion products exiting the first turbine, wherein the second turbineType: ApplicationFiled: July 25, 2005Publication date: February 8, 2007Inventors: Hukam Mongia, George Hsiao, Shui-Chi Li, Shih-Yang Hsieh, Alfred Mancini, David Burrus, Marie McMasters, Duane Thomsen
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Publication number: 20070028618Abstract: A mixer assembly for use in a combustion chamber of a gas turbine engine includes a pilot mixer, a main mixer, and a fuel manifold positioned between the pilot mixer and main mixer. The pilot mixer includes an annular pilot housing having a hollow interior and a pilot fuel nozzle mounted in the housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing.Type: ApplicationFiled: July 25, 2005Publication date: February 8, 2007Inventors: George Hsiao, Shih-Yang Hsieh, Shui-Chi Li, Hukam Mongia, Marie McMasters
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Publication number: 20070028617Abstract: A mixer assembly for use in a combustion chamber of a gas turbine engine includes a pilot mixer, a main mixer, and a fuel manifold positioned between the pilot mixer and main mixer. The pilot mixer includes an annular pilot housing having a hollow interior and a pilot fuel nozzle mounted in the housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing.Type: ApplicationFiled: July 25, 2005Publication date: February 8, 2007Inventors: Shih-Yang Hsieh, George Hsiao, Shui-Chi Li, Hukam Mongia