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ZA954389B - Silencing device for air ducts - Google Patents

Silencing device for air ducts

Info

Publication number
ZA954389B
ZA954389B ZA954389A ZA954389A ZA954389B ZA 954389 B ZA954389 B ZA 954389B ZA 954389 A ZA954389 A ZA 954389A ZA 954389 A ZA954389 A ZA 954389A ZA 954389 B ZA954389 B ZA 954389B
Authority
ZA
South Africa
Prior art keywords
air ducts
silencing device
silencing
ducts
air
Prior art date
Application number
ZA954389A
Inventor
Juergen Freisinger
Guenter Schwarz
Helmut Spannbauer
Original Assignee
Mann & Hummel Filter
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 Mann & Hummel Filter filed Critical Mann & Hummel Filter
Publication of ZA954389B publication Critical patent/ZA954389B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/02—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning intake
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10013—Means upstream of the air filter; Connection to the ambient air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1205—Flow throttling or guiding
    • F02M35/1216—Flow throttling or guiding by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1272—Intake silencers ; Sound modulation, transmission or amplification using absorbing, damping, insulating or reflecting materials, e.g. porous foams, fibres, rubbers, fabrics, coatings or membranes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
    • F02M35/161—Arrangement of the air intake system in the engine compartment, e.g. with respect to the bonnet or the vehicle front face
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/08—Thermoplastics

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Exhaust Silencers (AREA)
  • Body Structure For Vehicles (AREA)
ZA954389A 1994-06-01 1995-05-30 Silencing device for air ducts ZA954389B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4419219A DE4419219A1 (en) 1994-06-01 1994-06-01 Sound damping assembly for suction manifold air ducts of vehicle IC engine

Publications (1)

Publication Number Publication Date
ZA954389B true ZA954389B (en) 1996-01-24

Family

ID=6519568

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA954389A ZA954389B (en) 1994-06-01 1995-05-30 Silencing device for air ducts

Country Status (3)

Country Link
BR (1) BR9502172A (en)
DE (1) DE4419219A1 (en)
ZA (1) ZA954389B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19750102A1 (en) 1997-11-12 1999-06-02 Stankiewicz Gmbh Gas-flowed line with sound absorption effect
DE19818237A1 (en) * 1998-04-23 1999-10-28 Volkswagen Ag Bulkhead for the combustion air of an internal combustion engine
DE10025078A1 (en) * 2000-05-20 2001-11-29 Continental Ag Vehicle with sound absorber to reduce noise of tyres on road uses at least one hollow cavity provided in bodywork as resonator volume for sound absorber
DE10034479A1 (en) * 2000-07-15 2002-01-24 Mann & Hummel Filter Intake system for a motor vehicle
DE10302049B4 (en) * 2003-01-21 2008-02-28 Daimler Ag Water drain line in a motor vehicle
DE102004016689A1 (en) * 2004-04-05 2005-10-27 Volkswagen Ag Improvement of acoustic situation in passenger cabin of vehicle, comprising use of Helmholtz-resonators
DE202007009464U1 (en) 2007-07-05 2008-11-13 Mann + Hummel Gmbh impact attenuator
FR2931733B1 (en) * 2008-06-03 2010-06-04 Peugeot Citroen Automobiles Sa ACOUSTIC FILTRATION IN AN INTAKE AIR PIPE
FR3022190B1 (en) * 2014-06-11 2018-01-19 Psa Automobiles Sa. AUTOMOTIVE VEHICLE COVER TRAVERSE BY A FLEXIBLE AIR INLET COLLAR

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7240877U (en) * 1973-03-29 Phoenix Gummiwerke Ag Hose for guiding air in motor vehicles
DE1757003U (en) * 1957-09-27 1957-11-28 Heinkel Ag Ernst DEVICE FOR INTRODUCING DUST-FREE INTAKE AIR.
DE2609872A1 (en) * 1976-03-10 1977-09-15 Freudenberg Carl Fa Absorption sound damper for flow channels - with flat structures of closed cell soft foam contg. lead balls
DE8215489U1 (en) * 1982-05-27 1985-09-12 Cellofoam Deutschland Gmbh, 7950 Biberach Soundproofing device for air-carrying ducts of air conditioning systems and the like.
JPS6050265A (en) * 1983-08-31 1985-03-19 Nissan Motor Co Ltd Device for reducing intake noise of automobile
DE3401210A1 (en) * 1984-01-14 1985-07-25 ASEA AB, Västerås Sound absorber for connection to a flow duct
DE8715030U1 (en) * 1987-11-12 1988-01-21 Audi AG, 8070 Ingolstadt Motor vehicle
DE3841097C2 (en) * 1988-12-07 1993-11-25 Daimler Benz Ag Intake device for the combustion air of a motor vehicle front engine
FI96901C (en) * 1992-04-16 1996-09-10 Halton Oy Method and apparatus for controlling and silencing an air stream

Also Published As

Publication number Publication date
BR9502172A (en) 1996-01-02
DE4419219A1 (en) 1996-03-07

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