F01D 3/02
Machines or engines with axial-thrust balancing effected by working-fluid: characterised by having
Official title: characterised by having one fluid flow in one axial direction and another fluid flow in the opposite direction
F01D3/02 (Machines or engines with axial-thrust balancing effected by working-fluid: characterised by having) appears on 58 US grants and 50 published applications in this corpus.
Search patents in F01D- Granted patents
- 58
- Published applications
- 50
- Assignees
- 32
- Inventors
- 176
- Latest grant
- 21 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 3 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 4 |
| 2011 | 1 | 12 |
| 2012 | 4 | 3 |
| 2013 | 7 | 5 |
| 2014 | 7 | 3 |
| 2015 | 0 | 5 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 2 | 0 |
| 2019 | 2 | 2 |
| 2020 | 0 | 1 |
| 2021 | 3 | 2 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Cryogenic oil-free direct drive turbogenerator21 Feb 2023US 11,585,222 B1R & D Dynamics Corporation
- Device for holding a cooling tube for a turbomachine casing17 Jan 2023US 11,555,405 B2Safran Aircraft Engines
- Steam turbine facility and combined cycle plant7 Jun 2022US 11,352,912 B2Mitsubishi Power, Ltd.
- Stress mitigating arrangement for working fluid dam in turbine system14 Sep 2021US 11,118,479 B2General Electric Company
- Counter rotating back-to-back fluid movement system24 Aug 2021US 11,098,727 B2OneSubsea IP UK Limited
- Steam turbine facility and combined cycle plant15 Jul 2021US 2021/0215068 A1Mitsubishi Power, Ltd.
- Stress mitigating arrangement for working fluid dam in turbine system17 Jun 2021US 2021/0180468 A1General Electric Company
- Device for holding a cooling tube for a turbomachine casing11 Jun 2020US 2020/0182058 A1Safran Aircraft Engines
- Counter rotating back-to-back fluid movement system26 Dec 2019US 2019/0390683 A1OneSubsea IP UK Limited
- Radial turbomachine with axial thrust compensation25 Apr 2019US 2019/0120056 A1Exergy S.P.A.
Most cited
By later US patents
- Device for supplying secondary air in a gas turbine engine28US 6,966,191 B2Honda Motor Co., Ltd. · 2005
- Generating energy from fluid expansion28US 8,739,538 B2General Electric Company · 2014
- Turbomachine and method for cooling a turbomachine18US 6,102,654 ASiemens Aktiengesellschaft · 2000
- Double flow turbine with axial adjustment and replaceable steam paths and methods of assembly16US 5,593,273 AGeneral Electric Company · 1997
- Turbine shaft and method for cooling a turbine shaft16US 6,082,962 ASiemens Aktiengesellschaft · 2000