GB0320825D0 - Noise attenuator arrangement - Google Patents
Noise attenuator arrangementInfo
- Publication number
- GB0320825D0 GB0320825D0 GBGB0320825.3A GB0320825A GB0320825D0 GB 0320825 D0 GB0320825 D0 GB 0320825D0 GB 0320825 A GB0320825 A GB 0320825A GB 0320825 D0 GB0320825 D0 GB 0320825D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- noise attenuator
- attenuator arrangement
- arrangement
- noise
- attenuator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
- F04D27/0215—Arrangements therefor, e.g. bleed or by-pass valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/105—Final actuators by passing part of the fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
- F04D27/023—Details or means for fluid extraction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details Of Valves (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0320825A GB2405666A (en) | 2003-09-05 | 2003-09-05 | Noise attenuator, eg for turbofan engine air bleed system |
PCT/GB2004/003786 WO2005024187A1 (en) | 2003-09-05 | 2004-09-06 | Noise attenuation for an air bleed valve of a turbofan engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0320825A GB2405666A (en) | 2003-09-05 | 2003-09-05 | Noise attenuator, eg for turbofan engine air bleed system |
Publications (2)
Publication Number | Publication Date |
---|---|
GB0320825D0 true GB0320825D0 (en) | 2003-10-08 |
GB2405666A GB2405666A (en) | 2005-03-09 |
Family
ID=29226558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0320825A Withdrawn GB2405666A (en) | 2003-09-05 | 2003-09-05 | Noise attenuator, eg for turbofan engine air bleed system |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB2405666A (en) |
WO (1) | WO2005024187A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0614360D0 (en) | 2006-07-20 | 2006-08-30 | Rolls Royce Plc | Aeroengine bleed valve |
GB0616847D0 (en) | 2006-08-25 | 2006-10-04 | Rolls Royce Plc | Aeroengine bleed valve |
GB2443418B (en) | 2006-11-02 | 2011-05-04 | Rolls Royce Plc | An acoustic arrangement |
GB0820597D0 (en) | 2008-11-11 | 2008-12-17 | Rolls Royce Plc | A noise reduction device |
GB0820598D0 (en) * | 2008-11-11 | 2008-12-17 | Rolls Royce Plc | A noise reduction device |
EP2694791B1 (en) * | 2011-04-05 | 2018-11-28 | The Regents of The University of California | Quiet bleed valve for gas turbine engine and method for reducing noise from a bleed valve |
US9399951B2 (en) * | 2012-04-17 | 2016-07-26 | General Electric Company | Modular louver system |
US20150361902A1 (en) * | 2013-03-01 | 2015-12-17 | United Technologies Corporation | Gas turbine engine anti-surge valve discharge tube |
US11560968B2 (en) | 2020-02-27 | 2023-01-24 | Honeywell International Inc. | Bleed valve with reduced noise |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB117203A (en) * | 1917-11-09 | 1918-07-11 | Andrew Morgan | Improved Blow-off Device for Steam Boilers. |
GB419551A (en) * | 1933-07-11 | 1934-11-14 | Hopkinsons Ltd | Improvements in silencers particularly for steam escaping from safety valves |
DE2238657B2 (en) * | 1972-08-05 | 1974-08-08 | Brown, Boveri & Cie Ag, 6800 Mannheim | silencer |
US3894610A (en) * | 1974-08-20 | 1975-07-15 | Burgess Ind | Gas stream silencer |
US4109756A (en) * | 1976-11-17 | 1978-08-29 | Dresser Industries, Inc. | High frequency diffusion muffler for gas jets |
GB2132269B (en) * | 1982-12-03 | 1986-07-30 | Secr Defence | Silencer for high velocity gas flow |
US4537277A (en) * | 1982-12-03 | 1985-08-27 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Silencer for high velocity gas flow |
AU598944B2 (en) * | 1987-07-22 | 1990-07-05 | Engenuity Pty Ltd | A gas blow-off attenuator |
DE4033362C3 (en) * | 1990-10-17 | 2000-02-10 | Horst Jaekel | Device for reducing the pressure of a gaseous medium |
JPH09256846A (en) * | 1996-03-22 | 1997-09-30 | Max Co Ltd | Method and device for muffling exhaust noise |
US5906225A (en) * | 1997-09-10 | 1999-05-25 | General Motors Corporation | Orifice tube type refrigerant expansion valve assembly with combined particulate and noise attenuation filters |
DE19841215B4 (en) * | 1998-09-09 | 2007-10-31 | Vetec Ventiltechnik Gmbh | Rotary plug valve |
US6244297B1 (en) * | 1999-03-23 | 2001-06-12 | Fisher Controls International, Inc. | Fluid pressure reduction device |
DE19959596A1 (en) * | 1999-12-10 | 2001-06-13 | Rolls Royce Deutschland | Blow-off valve of a compressor, in particular for a twin-jet aircraft engine |
DE19962617C2 (en) * | 1999-12-23 | 2001-10-11 | Meyer Andreas Mathias | Turbo jet engine |
IT1317475B1 (en) * | 2000-05-05 | 2003-07-09 | Vesta S R L | NOZZLE SILENCED FOR THE DISCHARGE OF EXTINGUISHING GASES. |
EP1448883B8 (en) * | 2001-11-21 | 2005-10-05 | Dunlop Aerospace Limited | Noise attenuator arrangement |
-
2003
- 2003-09-05 GB GB0320825A patent/GB2405666A/en not_active Withdrawn
-
2004
- 2004-09-06 WO PCT/GB2004/003786 patent/WO2005024187A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2005024187A1 (en) | 2005-03-17 |
GB2405666A (en) | 2005-03-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |