GB9307816D0 - A method and a device for the regulation and sound reduction of an air flow - Google Patents

A method and a device for the regulation and sound reduction of an air flow

Info

Publication number
GB9307816D0
GB9307816D0 GB939307816A GB9307816A GB9307816D0 GB 9307816 D0 GB9307816 D0 GB 9307816D0 GB 939307816 A GB939307816 A GB 939307816A GB 9307816 A GB9307816 A GB 9307816A GB 9307816 D0 GB9307816 D0 GB 9307816D0
Authority
GB
United Kingdom
Prior art keywords
regulation
air flow
sound reduction
sound
reduction
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.)
Granted
Application number
GB939307816A
Other versions
GB2266340B (en
GB2266340A (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.)
Halton Oy
Original Assignee
Halton Oy
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 Halton Oy filed Critical Halton Oy
Publication of GB9307816D0 publication Critical patent/GB9307816D0/en
Publication of GB2266340A publication Critical patent/GB2266340A/en
Application granted granted Critical
Publication of GB2266340B publication Critical patent/GB2266340B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/165—Silencing apparatus characterised by method of silencing by using movable parts for adjusting flow area
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/22—Silencing apparatus characterised by method of silencing by using movable parts the parts being resilient walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
    • 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
GB9307816A 1992-04-16 1993-04-15 A method and a device for the regulation and sound reduction of an air flow Expired - Lifetime GB2266340B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI921731A FI96901C (en) 1992-04-16 1992-04-16 Method and apparatus for controlling and silencing an air stream

Publications (3)

Publication Number Publication Date
GB9307816D0 true GB9307816D0 (en) 1993-06-02
GB2266340A GB2266340A (en) 1993-10-27
GB2266340B GB2266340B (en) 1996-03-06

Family

ID=8535143

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9307816A Expired - Lifetime GB2266340B (en) 1992-04-16 1993-04-15 A method and a device for the regulation and sound reduction of an air flow

Country Status (6)

Country Link
DE (1) DE4311334B4 (en)
FI (1) FI96901C (en)
FR (1) FR2690227B1 (en)
GB (1) GB2266340B (en)
NO (1) NO179536C (en)
SE (1) SE516785C2 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4419219A1 (en) * 1994-06-01 1996-03-07 Mann & Hummel Filter Sound damping assembly for suction manifold air ducts of vehicle IC engine
US20110005507A9 (en) 2001-01-23 2011-01-13 Rick Bagwell Real-time control of exhaust flow
DE10123275A1 (en) * 2001-05-12 2002-11-14 Cww Gerko Akustik Gmbh Guide plate for flowing gas reduces turbulent content and is perforated, with diameter of perforation holes not exceeding the limit surface density of the flow through them
FI20035204A0 (en) * 2003-11-12 2003-11-12 Tapio Tarpio Silencer
FI117648B (en) 2004-03-02 2006-12-29 Jeven Oy Air flow control and damping device
CA2828718C (en) 2004-07-23 2016-05-03 Oy Halton Group Ltd. Improvements for control of exhaust systems
DE102006009153A1 (en) * 2006-02-24 2007-08-30 Mahle International Gmbh Exhaust gas recirculation device
US20080274683A1 (en) 2007-05-04 2008-11-06 Current Energy Controls, Lp Autonomous Ventilation System
US20090061752A1 (en) 2007-08-28 2009-03-05 Current Energy Controls, Lp Autonomous Ventilation System
AU2009322238C1 (en) 2008-12-03 2016-07-07 Oy Halton Group Ltd. Exhaust flow control system and method
DE102009060081B4 (en) * 2009-12-22 2018-02-22 Airbus Operations Gmbh Vacuum sewer system Silencers
DE102013203375A1 (en) * 2013-02-28 2014-08-28 Siemens Aktiengesellschaft Air conditioning arrangement for a rail vehicle
WO2015136357A1 (en) * 2014-03-11 2015-09-17 Zehnder Group International Ag Sound absorber for a ventilation system and method for controlling said sound damper
US10221764B2 (en) 2014-08-19 2019-03-05 Pratt & Whitney Canada Corp. Variable geometry inlet system
US10054050B2 (en) 2014-08-19 2018-08-21 Pratt & Whitney Canada Corp. Low noise aeroengine inlet system
US9951690B2 (en) * 2014-08-19 2018-04-24 Pratt & Whitney Canada Corp. Low noise aeroengine inlet system
US9957889B2 (en) 2014-08-19 2018-05-01 Pratt & Whitney Canada Corp. Low noise aeroengine inlet system
US10139126B2 (en) 2016-10-11 2018-11-27 University Of Dammam Airborne noise reduction system and method
DE102019102478A1 (en) * 2019-01-31 2020-08-06 Faurecia Emissions Control Technologies, Germany Gmbh Exhaust system component for an exhaust system of an internal combustion engine and exhaust system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB512435A (en) * 1938-03-02 1939-09-15 Evelyn Stewart Lansdowne Beale Improvements in and relating to the ventilation of buildings
ES264920A1 (en) * 1960-02-19 1961-07-16 Svenska Fl Ktfabriken A B Pressure regulator
DK118039B (en) * 1966-08-25 1970-06-29 Noboe Fab As Automatic acting pressure-controlled flow regulator for air ventilation systems.
FR1510897A (en) * 1966-10-28 1968-01-26 Snecma Advanced noise reduction devices emitted by compressors and blowers
GB1212875A (en) * 1967-12-21 1970-11-18 Rolls Royce Aircraft
US3533486A (en) * 1968-11-08 1970-10-13 Gen Electric Jet engine silencer with retractable sound absorbing body
US3611724A (en) * 1970-01-07 1971-10-12 Gen Electric Choked inlet noise suppression device for a turbofan engine
GB1306651A (en) * 1971-03-02 1973-02-14 Rolls Royce Air intakes for gas turbine engines
DE2421739C3 (en) * 1974-05-06 1979-08-30 Volkswagenwerk Ag, 3180 Wolfsburg Silencers for lines of periodically working machines
FR2326235A1 (en) * 1975-10-01 1977-04-29 Renault VARIABLE FLOW ELASTIC NOZZLE
US4075833A (en) * 1976-01-02 1978-02-28 General Electric Company Variable area inlet for a gas turbine engine
DE3608804A1 (en) * 1986-03-15 1987-09-17 Carduck F W Gmbh Conduit sound damper with movable sound-absorbing walls

Also Published As

Publication number Publication date
FI921731A (en) 1993-10-17
FR2690227B1 (en) 1997-01-17
FI921731A0 (en) 1992-04-16
NO931361L (en) 1993-10-18
NO179536C (en) 1996-10-23
FI96901C (en) 1996-09-10
GB2266340B (en) 1996-03-06
FI96901B (en) 1996-05-31
SE9301229L (en) 1993-10-17
SE516785C2 (en) 2002-03-05
NO179536B (en) 1996-07-15
DE4311334A1 (en) 1993-10-21
SE9301229D0 (en) 1993-04-15
GB2266340A (en) 1993-10-27
FR2690227A1 (en) 1993-10-22
DE4311334B4 (en) 2006-06-22
NO931361D0 (en) 1993-04-14

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20130414