Class F23R : GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
Subclass 3/14: 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 by using swirl vanes
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12264820 | control method | Sep 24, 24 | Apr 01, 25 | Tsinghua University |
| 12259137 | Combustor swirler to dome attachment | Oct 12, 21 | Mar 25, 25 | General Electric Company |
| 12241628 | Combustor swirler with vanes incorporating open area | Sep 01, 23 | Mar 04, 25 | General Electric Company |
| 12234988 | Fuel nozzle for hydrogen-based fuel operation | Apr 04, 24 | Feb 25, 25 | RTX CORPORATION |
| 12234989 | Central staged combustion chamber with self-excited sweeping oscillating fuel injection nozzles | Dec 15, 23 | Feb 25, 25 | AERO ENGINE ACADEMY OF CHINA |
| 12228282 | Gas turbine fuel nozzle having an inner air passage and plural outer fuel passages | Jan 10, 24 | Feb 18, 25 | General Electric Company |
| 12228283 | Combustor apparatus | May 01, 24 | Feb 18, 25 | Rolls Royce plc |
| 12228285 | Combustor nozzle and gas turbine including the same | Jan 30, 23 | Feb 18, 25 | DOOSAN ENERBILITY CO., LTD. |
| 12215866 | Combustor for a turbine engine having a fuel-air mixer including a set of mixing passages | May 02, 22 | Feb 04, 25 | General Electric Company |
| 12215869 | Gas turbine combustor fuel nozzle assembly and combustor liner having dilution holes in arrangements | Aug 21, 23 | Feb 04, 25 | General Electric Company |
| 12203656 | Combustion nozzle and combustor | Oct 31, 23 | Jan 21, 25 | 501 Toyota Jidosha Kabushiki Kaisha |
| 12196421 | Trailing edge fuel injection enhancement for flame holding mitigation | Nov 03, 22 | Jan 14, 25 | Power Systems Mfg., LLC |
| 12181151 | Mixer vanes having a waveform profile | Jul 29, 21 | Dec 31, 24 | General Electric Company |
| 12181152 | Fuel nozzle for hydrogen-based fuel operation | Apr 04, 24 | Dec 31, 24 | RTX CORPORATION |
| 12181153 | Fuel injector assembly for gas turbine engine | Feb 23, 23 | Dec 31, 24 | RTX CORPORATION |
| 12163664 | Premixer for a combustor | Jun 28, 23 | Dec 10, 24 | General Electric Company |
| 12158269 | Combustion device comprising plural swirling blades and gas turbine system having the same | Sep 07, 23 | Dec 03, 24 | IHI Corporation |
| 12135130 | Fuel nozzles | Jan 20, 23 | Nov 05, 24 | Collins Engine Nozzles, Inc. |
| 12123596 | Mixer vanes | Jul 29, 21 | Oct 22, 24 | General Electric Company |
| 12092324 | Flare cone for a mixer assembly of a gas turbine combustor | Mar 17, 22 | Sep 17, 24 | General Electric Company |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0116,403 | FUEL NOZZLE HAVING INNER AND OUTER MIXING CHAMBERS FED WITH FUEL VIA FIRST AND SECOND HOLE PATTERNS | Oct 07, 23 | Apr 10, 25 | Not available |
| 2025/0116,233 | Fuel Nozzle/Swirler Assembly for a Gas Turbine Engine | Oct 05, 23 | Apr 10, 25 | Not available |
| 2025/0067,436 | AMMONIA COMBUSTOR | Aug 25, 23 | Feb 27, 25 | Not available |
| 2025/0060,103 | COMBUSTOR OF GAS TURBINE | Dec 23, 22 | Feb 20, 25 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 2025/0035,311 | FUEL NOZZLE AND SWIRLER | Aug 14, 24 | Jan 30, 25 | Not available |
| 2025/0003,594 | COMBUSTION SYSTEM | Sep 16, 24 | Jan 02, 25 | IHI Corporation |
| 2024/0401,807 | TURBINE ENGINE INCLUDING A COMBUSTOR | May 31, 23 | Dec 05, 24 | Not available |
| 2024/0401,809 | FUEL NOZZLE AND SWIRLER | Aug 15, 24 | Dec 05, 24 | Not available |
| 2024/0392,965 | CMC COMBUSTOR DEFLECTOR | Aug 07, 24 | Nov 28, 24 | Not available |
| 2024/0392,967 | COMBUSTOR APPARATUS | May 01, 24 | Nov 28, 24 | Rolls Royce plc |
| 2024/0392,968 | COMBUSTOR APPARATUS | May 01, 24 | Nov 28, 24 | Rolls Royce plc |
| 2024/0369,225 | INJECTION NOZZLE AND COMBUSTION DEVICE | Jul 18, 24 | Nov 07, 24 | IHI Corporation |
| 2024/0344,482 | GAS TURBINE ENGINE | Jun 26, 24 | Oct 17, 24 | Kawasaki Jukogyo Kabushiki Kaisha |
| 2024/0328,623 | EXTENDED BULKHEAD PANEL | Jun 07, 24 | Oct 03, 24 | RTX Corporation |
| 2024/0328,624 | HIGH SHEAR SWIRLER FOR GAS TURBINE ENGINE | Jun 10, 24 | Oct 03, 24 | Not available |
| 2024/0310,048 | COMBUSTOR SIZE RATING FOR A GAS TURBINE ENGINE USING HYDROGEN FUEL | May 24, 24 | Sep 19, 24 | Not available |
| 2024/0302,044 | CANTED FUEL INJECTOR ASSEMBLY FOR A TURBINE ENGINE | Mar 06, 23 | Sep 12, 24 | Not available |
| 2024/0263,787 | COMBUSTOR WITH AIR/FUEL MIXER CREATING MIXED CLOUD | Feb 02, 23 | Aug 08, 24 | Not available |
| 2024/0255,147 | AIR PURGE FOR GAS TURBINE ENGINE FUEL INJECTOR ASSEMBLY | Jan 31, 24 | Aug 01, 24 | Not available |
| 2024/0247,803 | DOME-DEFLECTOR ASSEMBLY FOR A COMBUSTOR OF A GAS TURBINE | May 26, 23 | Jul 25, 24 | Not available |
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