F05D 2270/14
To control thermoacoustic behaviour in the combustion chambers
Official title: to control thermoacoustic behaviour in the combustion chambers
F05D2270/14 (To control thermoacoustic behaviour in the combustion chambers) appears on 87 US grants and 93 published applications in this corpus.
Search patents in F05D- Granted patents
- 87
- Published applications
- 93
- Assignees
- 41
- Inventors
- 238
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 5 |
| 2004 | 3 | 4 |
| 2005 | 5 | 2 |
| 2006 | 3 | 4 |
| 2007 | 1 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 4 |
| 2011 | 2 | 4 |
| 2012 | 2 | 4 |
| 2013 | 3 | 3 |
| 2014 | 3 | 2 |
| 2015 | 2 | 3 |
| 2016 | 2 | 9 |
| 2017 | 9 | 9 |
| 2018 | 4 | 10 |
| 2019 | 7 | 6 |
| 2020 | 7 | 4 |
| 2021 | 4 | 3 |
| 2022 | 4 | 3 |
| 2023 | 3 | 1 |
| 2024 | 5 | 5 |
| 2025 | 2 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combustors and methods of mitigating thermoacoustic instabilities in a gas flow14 Apr 2026US 12,601,493 B2ROLLS-ROYCE plc
- Combustion system and method for attenuation of combustion dynamics in a gas turbine engine10 Mar 2026US 12,571,540 B2General Electric Company
- Positional control of fuel injection into gas turbine combustors17 Jun 2025US 12,331,927 B2Collins Engine Nozzles, Inc.
- Proportional force modification of passive spool for control of secondary nozzle circuits27 May 2025US 12,313,004 B2Collins Engine Nozzles, Inc.
- Method of controlling a combustor31 Dec 2024US 12,180,900 B2Siemens Energy Global GmbH & Co. KG
- Combustors and methods of mitigating thermoacoustic instabilities in a gas flow6 Nov 2025US 2025/0341189 A1ROLLS-ROYCE plc
- Gas turbine control device and gas turbine control method14 Aug 2025US 2025/0257697 A1Mitsubishi Heavy Industries, Ltd.
- Positional control of fuel injection into gas turbine combustors22 May 2025US 2025/0164103 A1Collins Engine Nozzles, Inc.
- Method of controlling a combustor12 Sep 2024US 2024/0301835 A1Siemens Energy Global GmbH & Co. KG
- Proportional force modification of passive spool for control of secondary nozzle circuits29 Feb 2024US 2024/0068408 A1Collins Engine Nozzles, Inc.
Most cited
By later US patents
- Active control of unsteady motion phenomena in turbomachinery82US 5,005,353 AROLLS-ROYCE plc · 1991
- Active control of unsteady motion phenomena in turbomachinery53US 4,967,550 AROLLS-ROYCE plc · 1990
- Combustor oscillating pressure stabilization and method53US 5,791,889 AThe United States of America as represented by the United States Department of Energy · 1998
- Method and apparatus for active control of combustion devices48US 5,428,951 A1995
- Active control of unsteady motion phenomena in turbomachinery45US 5,141,391 AROLLS-ROYCE plc · 1992