F23R 2900/00014
Reducing thermo-acoustic vibrations by passive means
Official title: Reducing thermo-acoustic vibrations by passive means, e.g. by Helmholtz resonators
F23R2900/00014 (Reducing thermo-acoustic vibrations by passive means) appears on 440 US grants and 532 published applications in this corpus.
Search patents in F23R- Granted patents
- 440
- Published applications
- 532
- Assignees
- 103
- Inventors
- 887
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 13 | 19 |
| 2003 | 15 | 12 |
| 2004 | 11 | 15 |
| 2005 | 19 | 18 |
| 2006 | 11 | 13 |
| 2007 | 8 | 9 |
| 2008 | 9 | 14 |
| 2009 | 7 | 9 |
| 2010 | 11 | 17 |
| 2011 | 6 | 23 |
| 2012 | 11 | 26 |
| 2013 | 16 | 36 |
| 2014 | 22 | 44 |
| 2015 | 24 | 38 |
| 2016 | 28 | 29 |
| 2017 | 22 | 27 |
| 2018 | 19 | 33 |
| 2019 | 31 | 41 |
| 2020 | 26 | 17 |
| 2021 | 26 | 13 |
| 2022 | 19 | 18 |
| 2023 | 13 | 25 |
| 2024 | 17 | 13 |
| 2025 | 14 | 14 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual fuel combustor for a turbine engine29 Sep 2026US 12,747,863 B2General Electric Company
- Liner assembly for a combustor25 Aug 2026US 12,716,587 B2General Electric Company
- Fuel nozzle for a turbine engine combustor11 Aug 2026US 12,704,261 B2General Electric Company
- Acoustic panel with different cell configurations23 Jun 2026US 12,662,978 B2Pratt & Whitney Canada Corp.
- Helmholtz damper system for combustor of gas turbine system and related combustor and fuel nozzle assembly16 Jun 2026US 12,655,978 B1GE Vernova Infrastructure Technology LLC
- Additively manufactured combustor body with resonating tube20 Aug 2026US 2026/0243424 A1GE Vernova Infrastructure Technology LLC
- Cylinder for combustor, combustor, and gas turbine13 Aug 2026US 2026/0235052 A1Mitsubishi Heavy Industries, Ltd.
- Resonator for turbine engines18 Jun 2026US 2026/0168410 A1Solar Turbines Incorporated
- Combustor with baffle28 May 2026US 2026/0146739 A1General Electric Company
- Multi-volume acoustic resonator for rocket engine21 May 2026US 2026/0139644 A1Blue Origin, LLC
Most cited
By later US patents
- Thermal power plant with sequential combustion and reduced-CO2 emission, and a method for operating a plant of this type129US 7,503,178 B2ALSTOM Technology Ltd · 2009
- Reheat combustion system for a gas turbine121US 6,981,358 B2ALSTOM Technology Ltd · 2006
- Combustor mixer having plasma generating nozzle99US 6,453,660 B1General Electric Company · 2002
- Dynamically uncoupled low NOx combustor having multiple premixers with axial staging92US 5,943,866 AGeneral Electric Company · 1999
- Combustion chamber92US 6,513,334 B2ROLLS-ROYCE plc · 2003