FR2372325A1 - Dispositif de reduction des bruits d'aspiration d'air de combustion sur les moteurs thermiques - Google Patents
Dispositif de reduction des bruits d'aspiration d'air de combustion sur les moteurs thermiquesInfo
- Publication number
- FR2372325A1 FR2372325A1 FR7636127A FR7636127A FR2372325A1 FR 2372325 A1 FR2372325 A1 FR 2372325A1 FR 7636127 A FR7636127 A FR 7636127A FR 7636127 A FR7636127 A FR 7636127A FR 2372325 A1 FR2372325 A1 FR 2372325A1
- Authority
- FR
- France
- Prior art keywords
- box
- sound absorbing
- interior walls
- vehicle
- induction noise
- 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
Links
- 230000006698 induction Effects 0.000 title abstract 2
- 239000011358 absorbing material Substances 0.000 abstract 1
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)
Abstract
a. Dispositif de réduction des bruits d'aspiration d'air de combustion sur les moteurs thermiques; b. Dispositif caractérisé en ce qu'il comprend une boîte dimensionnée en fonction des caractéristiques du moteur dont les parois sont garnies intérieurement d'un produit qui absorbe les ondes sonores.
Priority Applications (2)
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 |
DE19772752874 DE2752874A1 (de) | 1976-11-30 | 1977-11-26 | Vorrichtung zur daempfung der ansauggeraeusche der verbrennungsluft fuer verbrennungsmotoren |
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 (2)
Publication Number | Publication Date |
---|---|
FR2372325A1 true FR2372325A1 (fr) | 1978-06-23 |
FR2372325B3 FR2372325B3 (fr) | 1980-10-03 |
Family
ID=9180494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7636127A Granted FR2372325A1 (fr) | 1976-11-30 | 1976-11-30 | Dispositif de reduction des bruits d'aspiration d'air de combustion sur les moteurs thermiques |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2752874A1 (fr) |
FR (1) | FR2372325A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2920704A1 (fr) * | 2007-09-11 | 2009-03-13 | 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 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4343373C2 (de) * | 1993-01-20 | 2002-06-20 | Volkswagen Ag | Hubkolben-Brennkraftmaschine |
-
1976
- 1976-11-30 FR FR7636127A patent/FR2372325A1/fr active Granted
-
1977
- 1977-11-26 DE DE19772752874 patent/DE2752874A1/de not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2920704A1 (fr) * | 2007-09-11 | 2009-03-13 | 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 |
Also Published As
Publication number | Publication date |
---|---|
FR2372325B3 (fr) | 1980-10-03 |
DE2752874A1 (de) | 1978-06-01 |
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