F01D 5/027
Arrangements for balancing
Official title: {Arrangements for balancing (for balancing rotating bodies in general F16F15/32; for compensating imbalance G01M1/36)}
F01D5/027 (Arrangements for balancing) appears on 457 US grants and 449 published applications in this corpus.
Search patents in F01D- Granted patents
- 457
- Published applications
- 449
- Assignees
- 112
- Inventors
- 883
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 11 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 4 |
| 2003 | 1 | 2 |
| 2004 | 0 | 7 |
| 2005 | 4 | 14 |
| 2006 | 7 | 14 |
| 2007 | 10 | 8 |
| 2008 | 9 | 14 |
| 2009 | 8 | 20 |
| 2010 | 8 | 14 |
| 2011 | 13 | 11 |
| 2012 | 14 | 23 |
| 2013 | 10 | 19 |
| 2014 | 18 | 21 |
| 2015 | 22 | 31 |
| 2016 | 17 | 33 |
| 2017 | 24 | 30 |
| 2018 | 36 | 29 |
| 2019 | 33 | 27 |
| 2020 | 32 | 28 |
| 2021 | 29 | 22 |
| 2022 | 24 | 20 |
| 2023 | 23 | 12 |
| 2024 | 19 | 19 |
| 2025 | 24 | 17 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Radially captured in situ balancing masses for aircraft powerplant14 Apr 2026US 12,601,263 B1Pratt & Whitney Canada Corp.
- Two piece retractable engine center body for balancing7 Apr 2026US 12,595,737 B2Rtx Corporation
- Rotor assembly, associated method of assembly, and computer program product therefor17 Mar 2026US 12,577,877 B2Pratt & Whitney Canada Corp.
- Gas turbine engine with rotational spool balancing system17 Feb 2026US 12,553,346 B1Pratt & Whitney Canada Corp.
- Multi-ring spacer for gas turbine engine rotor stack assembly27 Jan 2026US 12,535,035 B2Rtx Corporation
- Rotor for a turbomachine, turbomachine, and method for balancing a rotor of a turbomachine1 Oct 2026US 2026/0298094 A1Accelleron Switzerland Ltd.
- Balancing device for a rotor13 Aug 2026US 2026/0235031 A1Rolls-Royce Deutschland Ltd & Co KG
- Reference markers for engine components and methods of measuring the same6 Aug 2026US 2026/0227285 A1General Electric Company
- Two piece retractable engine center body for balancing2 Jul 2026US 2026/0185447 A1Rtx Corporation
- Rotor element for a turbine engine with composite blades linked to a metal disk2 Jul 2026US 2026/0185450 A1Safran Aircraft Engines
Most cited
By later US patents
- Damping system for vibrating members59US 5,820,348 A1998
- Damping systems for vibrating members51US 6,224,341 B1Edge Innovations & Technology, LLC · 2001
- Boltless balance weight for turbine rotors44US 5,018,943 AGeneral Electric Company · 1991
- Non-integral balanced coverplate and coverplate centering slot for a turbine44US 6,190,131 B1General Electric Company · 2001
- Gas turbine engine balancing43US 4,817,455 AUnited Technologies Corporation · 1989