GB0320825D0 - Noise attenuator arrangement - Google Patents

Noise attenuator arrangement

Info

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Withdrawn
Application number
GBGB0320825.3A
Other versions
GB2405666A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dunlop Aerospace Ltd
Original Assignee
Dunlop Aerospace Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dunlop Aerospace Ltd filed Critical Dunlop Aerospace Ltd
Priority to GB0320825A priority Critical patent/GB2405666A/en
Publication of GB0320825D0 publication Critical patent/GB0320825D0/en
Priority to PCT/GB2004/003786 priority patent/WO2005024187A1/en
Publication of GB2405666A publication Critical patent/GB2405666A/en
Withdrawn legal-status Critical Current

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)
GB0320825A 2003-09-05 2003-09-05 Noise attenuator, eg for turbofan engine air bleed system Withdrawn GB2405666A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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)