F05D 2270/04
To control acceleration
Official title: to control acceleration (u)
F05D2270/04 (To control acceleration) appears on 131 US grants and 103 published applications in this corpus.
Search patents in F05D- Granted patents
- 131
- Published applications
- 103
- Assignees
- 59
- Inventors
- 267
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 5 |
| 2004 | 5 | 7 |
| 2005 | 6 | 6 |
| 2006 | 3 | 3 |
| 2007 | 3 | 1 |
| 2008 | 1 | 4 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 3 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 3 |
| 2015 | 2 | 9 |
| 2016 | 2 | 5 |
| 2017 | 4 | 5 |
| 2018 | 3 | 4 |
| 2019 | 11 | 5 |
| 2020 | 5 | 8 |
| 2021 | 2 | 8 |
| 2022 | 9 | 5 |
| 2023 | 7 | 6 |
| 2024 | 5 | 1 |
| 2025 | 5 | 8 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gas turbine acceleration limit biasing for premature asymmetric operating regime exits26 May 2026US 12,637,986 B2Pratt & Whitney Canada Corp.
- Systems and methods for identifying insufficient starter acceleration for an aircraft engine27 Jan 2026US 12,535,016 B2Pratt & Whitney Canada Corp.
- Method for controlling a gas turbine engine30 Dec 2025US 12,509,997 B2Safran Aircraft Engines
- Method for regulating a turbomachine11 Nov 2025US 12,467,413 B2Safran
- Multi-mode starter control for gas turbine engines30 Sep 2025US 12,428,997 B2Rtx Corporation
- Control device for gas turbine, gas turbine facility, control method for gas turbine, and control program for gas turbine8 Oct 2026US 2026/0309096 A1Mitsubishi Heavy Industries, Ltd.
- Gas turbine acceleration limit biasing for premature asymmetric operating regime exits21 May 2026US 2026/0139634 A1Pratt & Whitney Canada Corp.
- Method and system for dual-voltage start of an aeronautical turbine engine having a free turbine and a single-spool gas generator7 May 2026US 2026/0126013 A1Safran Helicopter Engines
- Method for controlling a gas turbine engine24 Jul 2025US 2025/0237153 A1Safran Aircraft Engines
- Multi-mode starter control for gas turbine engines24 Jul 2025US 2025/0237173 A1Rtx Corporation
Most cited
By later US patents
- Gas turbine control system having maximum instantaneous load-pickup limiter61US 5,252,860 AWestinghouse Electric Corp. · 1993
- Fuel supply system for a staged combustor52US 5,402,634 AUnited Technologies Corporation · 1995
- Gas turbine starter assist torque control system52US 6,035,626 AAllied-Signal Inc. · 2000
- Valve control logic for gas turbine recuperator51US 6,463,730 B1Honeywell Power Systems Inc. · 2002
- Fuel control system for gas turbine engines39US 6,715,277 B2Goodrich Pump & Engine Control Systems, Inc. · 2004