GB2267359B - Improvements in attenuating bends - Google Patents

Improvements in attenuating bends

Info

Publication number
GB2267359B
GB2267359B GB9211129A GB9211129A GB2267359B GB 2267359 B GB2267359 B GB 2267359B GB 9211129 A GB9211129 A GB 9211129A GB 9211129 A GB9211129 A GB 9211129A GB 2267359 B GB2267359 B GB 2267359B
Authority
GB
United Kingdom
Prior art keywords
attenuating
bends
attenuating bends
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.)
Expired - Fee Related
Application number
GB9211129A
Other versions
GB9211129D0 (en
GB2267359A (en
Inventor
Alan Trevor Fry
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.)
Sound Attenuators Ltd
Original Assignee
Sound Attenuators 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 Sound Attenuators Ltd filed Critical Sound Attenuators Ltd
Priority to GB9211129A priority Critical patent/GB2267359B/en
Publication of GB9211129D0 publication Critical patent/GB9211129D0/en
Publication of GB2267359A publication Critical patent/GB2267359A/en
Application granted granted Critical
Publication of GB2267359B publication Critical patent/GB2267359B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • F15D1/04—Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements or elbows with respect to flow, specially for reducing losses in flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/033—Noise absorbers
    • F16L55/0336—Noise absorbers by means of sound-absorbing materials
GB9211129A 1992-05-26 1992-05-26 Improvements in attenuating bends Expired - Fee Related GB2267359B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9211129A GB2267359B (en) 1992-05-26 1992-05-26 Improvements in attenuating bends

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9211129A GB2267359B (en) 1992-05-26 1992-05-26 Improvements in attenuating bends

Publications (3)

Publication Number Publication Date
GB9211129D0 GB9211129D0 (en) 1992-07-08
GB2267359A GB2267359A (en) 1993-12-01
GB2267359B true GB2267359B (en) 1995-07-26

Family

ID=10716031

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9211129A Expired - Fee Related GB2267359B (en) 1992-05-26 1992-05-26 Improvements in attenuating bends

Country Status (1)

Country Link
GB (1) GB2267359B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0003349D0 (en) * 2000-09-18 2000-09-18 Flaekt Ab sound absorber
DE102006050869A1 (en) 2006-10-27 2008-04-30 Airbus Deutschland Gmbh Sound proofing device for air pipe line of airplane, has air conduction means that is arranged within curved pipe section that is equipped with micro perforation at side surface for further weight neutral sound proofing
DE102010060932B4 (en) * 2010-12-01 2014-12-04 Deutsches Zentrum für Luft- und Raumfahrt e.V. Wind tunnel with bends
RU2602469C2 (en) * 2012-08-06 2016-11-20 Открытое акционерное общество "АВТОВАЗ" Air cleaner for internal combustion engine of a motor vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2250356A (en) * 1990-11-30 1992-06-03 Sargents Acoustics Limited Noise attenuation in ducting
WO1992009988A1 (en) * 1990-11-21 1992-06-11 Sound Attenuators Limited Improvements in attenuators

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992009988A1 (en) * 1990-11-21 1992-06-11 Sound Attenuators Limited Improvements in attenuators
GB2250356A (en) * 1990-11-30 1992-06-03 Sargents Acoustics Limited Noise attenuation in ducting

Also Published As

Publication number Publication date
GB9211129D0 (en) 1992-07-08
GB2267359A (en) 1993-12-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020526