Class F23R : GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
Subclass 3/12: Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration (reverse-flow combustion chambers F23R 3/54; cyclone or vortex type combustion chambers F23R 3/58) Air inlet arrangements for primary air (F23R 3/06 takes precedence) inducing a vortex
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12222105 | Combustor and gas turbine | Jan 24, 20 | Feb 11, 25 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 12146661 | Combustor nozzle, combustor, and gas turbine including the same | Mar 20, 23 | Nov 19, 24 | DOOSAN ENERBILITY CO., LTD. |
| 12130016 | Turbine engine including a combustor | May 31, 23 | Oct 29, 24 | General Electric Company |
| 12111054 | Gas turbine combustor structure | Sep 11, 23 | Oct 08, 24 | Toshiba Energy Systems & Solutions Corporation |
| 12111057 | Gas turbine fuel mixer comprising a plurality of mini tubes for generating a fuel-air mixture | May 19, 23 | Oct 08, 24 | General Electric Company |
| 12071936 | Vortex station | Aug 28, 23 | Aug 27, 24 | Auckland UniServices Limited |
| 12055297 | Trapped vortex combustor and method for operating the same | Jun 25, 21 | Aug 06, 24 | General Electric Company |
| 12050012 | Burner component of a burner, and burner of a gas turbine having a burner component of this type | Dec 10, 20 | Jul 30, 24 | Siemens Energy Global GmbH & Co. KG |
| 12013122 | Method and device for recursive sequential combustion | Aug 04, 21 | Jun 18, 24 | Combustion Bay One E.U. |
| 11920793 | Adjustable gaseous fuel injector | Jun 23, 23 | Mar 05, 24 | PRATT & WHITNEY CANADA CORP. |
| 11906168 | Volute trapped vortex combustor assembly | Mar 10, 21 | Feb 20, 24 | General Electric Company |
| 11892167 | Atomizer for gas turbine engine | Jan 07, 21 | Feb 06, 24 | TURBOGEN LTD. |
| 11835235 | Combustor with helix air and fuel mixing passage | Feb 02, 23 | Dec 05, 23 | Pratt & Whitney Canada Corp. |
| 11828469 | Adaptive trapped vortex combustor | Mar 03, 22 | Nov 28, 23 | General Electric Company |
| 11788725 | Trapped vortex combustor for a gas turbine engine with a driver airflow channel | Dec 06, 21 | Oct 17, 23 | General Electric Company |
| 11773784 | Fuel injectors with torch ignitors | Oct 12, 21 | Oct 03, 23 | Collins Engine Nozzles, Inc. |
| 11739731 | Vortex station | Jul 06, 17 | Aug 29, 23 | Auckland UniServices Limited |
| 11739935 | Dome structure providing a dome-deflector cavity with counter-swirled airflow | Mar 23, 22 | Aug 29, 23 | General Electric Company |
| 11692709 | Gas turbine fuel mixer comprising a plurality of mini tubes for generating a fuel-air mixture | Mar 11, 21 | Jul 04, 23 | General Electric Company |
| 11674689 | Combustor with an air mixer and an air swirler each having slots | Aug 26, 21 | Jun 13, 23 | Not available |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0102,147 | COMBUSTOR OF GAS TURBINE | Dec 23, 22 | Mar 27, 25 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 2024/0426,481 | ADJUSTABLE GASEOUS FUEL INJECTOR | Mar 04, 24 | Dec 26, 24 | Not available |
| 2024/0418,150 | VORTEX STATION | Aug 26, 24 | Dec 19, 24 | Not available |
| 2024/0384,873 | TRAPPED VORTEX COMBUSTOR AND METHOD FOR OPERATING THE SAME | Jul 30, 24 | Nov 21, 24 | Not available |
| 2024/0309,830 | ENGINE FOR AN AIRCRAFT | May 23, 24 | Sep 19, 24 | Not available |
| 2024/0102,655 | REDUCING NOISE FROM A COMBUSTOR OF A GAS TURBINE ENGINE | Feb 03, 23 | Mar 28, 24 | RAYTHEON TECHNOLOGIES CORPORATION |
| 2024/0027,069 | COMBUSTOR FOR GAS TURBINE AND GAS TURBINE | Mar 31, 21 | Jan 25, 24 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 2023/0071,579 | AIRBLAST FUEL NOZZLE | Jun 15, 22 | Mar 09, 23 | Not available |
| 2021/0131,665 | AIRBLAST FUEL NOZZLE | Jan 12, 21 | May 06, 21 | Not available |
| 2020/0271,319 | Free-Vortex Combustor | Feb 22, 19 | Aug 27, 20 | DYC TURBINES, LLC |
| 2020/0200,391 | FUEL GAS NOZZLE | Dec 21, 18 | Jun 25, 20 | Not available |
| 2020/0033,007 | AIR INTAKE SWIRLER FOR A TURBOMACHINE INJECTION SYSTEM COMPRISING AN AERODYNAMIC DEFLECTOR AT ITS INLET | Apr 28, 17 | Jan 30, 20 | SAFRAN AIRCRAFT ENGINES |
| 2018/0347,470 | CAVITY SWIRL FUEL INJECTOR FOR AN AUGMENTOR SECTION OF A GAS TURBINE ENGINE | Aug 22, 18 | Dec 06, 18 | Not available |
| 2018/0259,183 | SYSTEM AND METHOD FOR COMBUSTION OF NON-GASEOUS FUELS AND DERIVATIVES THEREOF | Jan 12, 18 | Sep 13, 18 | Not available |
| 2018/0149,360 | VORTEX GENERATING DEVICE | Nov 29, 17 | May 31, 18 | ANSALDO ENERGIA SWITZERLAND AG |
| 2018/0094,814 | RADIAL FUEL SHIFTING AND BIASING IN AN AXIAL STAGED COMBUSTOR FOR A GAS TURBINE ENGINE | Oct 03, 16 | Apr 05, 18 | United Technologies Corporation |
| 2016/0209,037 | Dual Fuel Nozzle With Liquid Filming Atomization for a Gas Turbine Engine | Aug 19, 14 | Jul 21, 16 | UNITED TECHNOLOGIES CORPORATION |
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