F02D 2009/0277
Fail-safe mechanisms
Official title: {Fail-safe mechanisms, e.g. with limp-home feature, to close throttle if actuator fails, or if control cable sticks or breaks}
F02D2009/0277 (Fail-safe mechanisms) appears on 131 US grants and 81 published applications in this corpus.
Search patents in F02D- Granted patents
- 131
- Published applications
- 81
- Assignees
- 61
- Inventors
- 246
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 11 | 1 |
| 2002 | 6 | 5 |
| 2003 | 9 | 8 |
| 2004 | 4 | 9 |
| 2005 | 10 | 8 |
| 2006 | 9 | 7 |
| 2007 | 11 | 5 |
| 2008 | 3 | 4 |
| 2009 | 4 | 3 |
| 2010 | 1 | 4 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 3 | 1 |
| 2014 | 2 | 3 |
| 2015 | 1 | 3 |
| 2016 | 4 | 1 |
| 2017 | 1 | 3 |
| 2018 | 3 | 2 |
| 2019 | 4 | 1 |
| 2020 | 0 | 2 |
| 2021 | 3 | 2 |
| 2022 | 2 | 5 |
| 2023 | 4 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Valve device3 Jun 2025US 12,320,311 B2Mikuni Corporation
- Throttle control and safety switch device14 Jan 2025US 12,195,133 B2UNO Minda Limited
- Automatic aircraft powerplant control9 Apr 2024US 11,952,956 B2Textron Innovations Inc.
- Throttle valve device19 Dec 2023US 11,846,247 B2Denso Corporation
- Automatic aircraft powerplant control5 Dec 2023US 11,835,012 B2Textron Innovations Inc.
- Valve device11 Apr 2024US 2024/0117774 A1Mikuni Corporation
- Throttle Control And Safety Switch Device7 Mar 2024US 2024/0076008 A1UNO Minda Limited
- Automatic aircraft powerplant control29 Dec 2022US 2022/0411088 A1Textron Innovations Inc.
- Throttle valve device15 Dec 2022US 2022/0397069 A1Denso Corporation
- Automatic aircraft powerplant control24 Nov 2022US 2022/0372921 A1Textron Innovations Inc.
Most cited
By later US patents
- Electronic throttle control mechanism with gear alignment and mesh maintenance system61US 6,386,178 B1Visteon Global Technologies, Inc. · 2002
- Fail safe throttle positioning system57US 5,429,090 AColtec Industries Inc. · 1995
- Throttle body default actuation46US 5,492,097 AGeneral Motors Corporation · 1996
- Control apparatus of a throttle valve in an internal combustion engine37US 4,785,782 AToyota Jidosha Kabushiki Kaisha · 1988
- Throttle valve controller for internal combustion engine34US 5,297,521 AHitachi, Ltd. · 1994