DE2752874A1 - Vorrichtung zur daempfung der ansauggeraeusche der verbrennungsluft fuer verbrennungsmotoren - Google Patents

Vorrichtung zur daempfung der ansauggeraeusche der verbrennungsluft fuer verbrennungsmotoren

Info

Publication number
DE2752874A1
DE2752874A1 DE19772752874 DE2752874A DE2752874A1 DE 2752874 A1 DE2752874 A1 DE 2752874A1 DE 19772752874 DE19772752874 DE 19772752874 DE 2752874 A DE2752874 A DE 2752874A DE 2752874 A1 DE2752874 A1 DE 2752874A1
Authority
DE
Germany
Prior art keywords
intake
sound
air
absorbing material
damping
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Withdrawn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
DE19772752874
Other languages
German (de)
English (en)
Inventor
Nichtnennung Beantragt
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.)
LOUIS HEULIEZ SA
Original Assignee
LOUIS HEULIEZ SA
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 LOUIS HEULIEZ SA filed Critical LOUIS HEULIEZ SA
Publication of DE2752874A1 publication Critical patent/DE2752874A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F02M35/1211—Flow throttling or guiding by using inserts in the air intake flow path, e.g. baffles, throttles or orifices; Flow guides
    • 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
    • F02M35/1233—Flow throttling or guiding by using expansion chambers in the air intake flow path
    • 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
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1277—Reinforcement of walls, e.g. with ribs or laminates; Walls having air gaps or additional sound damping layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
DE19772752874 1976-11-30 1977-11-26 Vorrichtung zur daempfung der ansauggeraeusche der verbrennungsluft fuer verbrennungsmotoren Withdrawn DE2752874A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7636127A FR2372325A1 (fr) 1976-11-30 1976-11-30 Dispositif de reduction des bruits d'aspiration d'air de combustion sur les moteurs thermiques

Publications (1)

Publication Number Publication Date
DE2752874A1 true DE2752874A1 (de) 1978-06-01

Family

ID=9180494

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772752874 Withdrawn DE2752874A1 (de) 1976-11-30 1977-11-26 Vorrichtung zur daempfung der ansauggeraeusche der verbrennungsluft fuer verbrennungsmotoren

Country Status (2)

Country Link
DE (1) DE2752874A1 (fr)
FR (1) FR2372325A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4343373C2 (de) * 1993-01-20 2002-06-20 Volkswagen Ag Hubkolben-Brennkraftmaschine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2920704B1 (fr) * 2007-09-11 2009-11-27 Peugeot Citroen Automobiles Sa Partie avant de vehicule automobile comprenant un dispositif de decantation d'eau
FR3073011A1 (fr) * 2017-10-27 2019-05-03 Psa Automobiles Sa Filtre a air pour une ligne d'admission d'air d'un moteur a combustion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4343373C2 (de) * 1993-01-20 2002-06-20 Volkswagen Ag Hubkolben-Brennkraftmaschine

Also Published As

Publication number Publication date
FR2372325B3 (fr) 1980-10-03
FR2372325A1 (fr) 1978-06-23

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee