NO179536C - Method and apparatus for regulating and silencing an air stream - Google Patents

Method and apparatus for regulating and silencing an air stream

Info

Publication number
NO179536C
NO179536C NO931361A NO931361A NO179536C NO 179536 C NO179536 C NO 179536C NO 931361 A NO931361 A NO 931361A NO 931361 A NO931361 A NO 931361A NO 179536 C NO179536 C NO 179536C
Authority
NO
Norway
Prior art keywords
silencing
regulating
air stream
stream
air
Prior art date
Application number
NO931361A
Other languages
Norwegian (no)
Other versions
NO931361D0 (en
NO179536B (en
NO931361L (en
Inventor
Andre Livtchak
Harri Itkonen
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 NO931361D0 publication Critical patent/NO931361D0/en
Publication of NO931361L publication Critical patent/NO931361L/en
Publication of NO179536B publication Critical patent/NO179536B/en
Publication of NO179536C publication Critical patent/NO179536C/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
  • Duct Arrangements (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Exhaust Silencers (AREA)
NO931361A 1992-04-16 1993-04-14 Method and apparatus for regulating and silencing an air stream NO179536C (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 (4)

Publication Number Publication Date
NO931361D0 NO931361D0 (en) 1993-04-14
NO931361L NO931361L (en) 1993-10-18
NO179536B NO179536B (en) 1996-07-15
NO179536C true NO179536C (en) 1996-10-23

Family

ID=8535143

Family Applications (1)

Application Number Title Priority Date Filing Date
NO931361A NO179536C (en) 1992-04-16 1993-04-14 Method and apparatus for regulating and silencing an air stream

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
WO2010065793A1 (en) 2008-12-03 2010-06-10 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
EP3117156B1 (en) * 2014-03-11 2022-08-17 Zehnder Group International AG Sound muffler arrangement and method of controlling such an arrangement
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
US10221764B2 (en) 2014-08-19 2019-03-05 Pratt & Whitney Canada Corp. Variable geometry 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
GB2266340B (en) 1996-03-06
SE9301229L (en) 1993-10-17
DE4311334B4 (en) 2006-06-22
FI921731A0 (en) 1992-04-16
FI921731A (en) 1993-10-17
DE4311334A1 (en) 1993-10-21
NO931361D0 (en) 1993-04-14
FR2690227A1 (en) 1993-10-22
NO179536B (en) 1996-07-15
SE9301229D0 (en) 1993-04-15
GB9307816D0 (en) 1993-06-02
FR2690227B1 (en) 1997-01-17
FI96901B (en) 1996-05-31
GB2266340A (en) 1993-10-27
FI96901C (en) 1996-09-10
NO931361L (en) 1993-10-18
SE516785C2 (en) 2002-03-05

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Legal Events

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MK1K Patent expired