IT941415B - Attenuatore acustico - Google Patents

Attenuatore acustico

Info

Publication number
IT941415B
IT941415B IT2605771A IT2605771A IT941415B IT 941415 B IT941415 B IT 941415B IT 2605771 A IT2605771 A IT 2605771A IT 2605771 A IT2605771 A IT 2605771A IT 941415 B IT941415 B IT 941415B
Authority
IT
Italy
Prior art keywords
acoustic attenuator
attenuator
acoustic
Prior art date
Application number
IT2605771A
Other languages
English (en)
Original Assignee
Secr Defence Brit
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 Secr Defence Brit filed Critical Secr Defence Brit
Application granted granted Critical
Publication of IT941415B publication Critical patent/IT941415B/it

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N13/00Exhaust or silencing apparatus characterised by constructional features
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N1/00Silencing apparatus characterised by method of silencing
    • F01N1/02Silencing apparatus characterised by method of silencing by using resonance
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02KJET-PROPULSION PLANTS
    • F02K1/00Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/78Other construction of jet pipes
    • F02K1/82Jet pipe walls, e.g. liners
    • F02K1/827Sound absorbing structures or liners
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2490/00Structure, disposition or shape of gas-chambers
    • F01N2490/15Plurality of resonance or dead chambers
    • F01N2490/155Plurality of resonance or dead chambers being disposed one after the other in flow direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Laminated Bodies (AREA)
IT2605771A 1970-06-18 1971-06-18 Attenuatore acustico IT941415B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2953170 1970-06-18

Publications (1)

Publication Number Publication Date
IT941415B true IT941415B (it) 1973-03-01

Family

ID=10293010

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2605771A IT941415B (it) 1970-06-18 1971-06-18 Attenuatore acustico

Country Status (4)

Country Link
DE (1) DE2129962A1 (it)
FR (1) FR2095330B1 (it)
GB (1) GB1321073A (it)
IT (1) IT941415B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4217767C1 (it) * 1992-05-29 1993-08-26 Deutsche Aerospace Ag, 8000 Muenchen, De
SE515528C2 (sv) 1999-12-07 2001-08-20 Saab Ab Anordning vid en akustisk absorbent

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB633120A (en) * 1946-11-21 1949-12-12 Silto S A Improvements relating to the silencing of gaseous currents
US3181646A (en) * 1963-04-15 1965-05-04 Howard C Edwards Silencer having contiguous concentric layers of sound absorbent material
US3362629A (en) * 1965-12-21 1968-01-09 Carrier Corp Centrifugal compressor
US3380552A (en) * 1966-11-28 1968-04-30 Luminous Ceilings Inc Acoustical panel with honeycomb core and ventilation passageways

Also Published As

Publication number Publication date
GB1321073A (en) 1973-06-20
FR2095330A1 (it) 1972-02-11
FR2095330B1 (it) 1975-07-11
DE2129962A1 (de) 1972-02-24

Similar Documents

Publication Publication Date Title
BE744595A (fr) Structure acoustique
BE761447A (fr) Termineur
BE776651A (fr) Galvanisch gemetalliseerde staalplaat
BE776139A (fr) Fotografische kleurenontwikkelings-methode
BE765952A (fr) Weefmachine
BE769860A (fr) Tunnelbrander
BE775053A (fr) Gegevensveranderingdetector
BE772944A (fr) Attenuateur acoustique
BE771389A (fr) Enceinte de haut-parleur
FI53557C (fi) Aendloest boejligt taeckband foer bandtransportoer
BE765368A (fr) Dokumentenmap
BR7019763D0 (pt) Dispositivo acustico
BE772617A (fr) Bis-carmates
AT307817B (de) Schalldämpfer
DK132775C (da) Koleanleg
IT941415B (it) Attenuatore acustico
FI53344C (fi) Noedfraonslagningsanordning foer en foerbraenningsmotor
BE766546A (fr) Evaporateur-concentrateur
BE771811A (fr) Ziekenbed
BE772712A (fr) Buisklem
CH526234A (de) Steuerbares Dämpfungsglied
FI53883B (fi) Vaermevaexlingsaggregat
FI46470B (fi) Bandplatta foer traktorband
BE762900A (fr) Microseringue
BE767781A (fr) Alcanolamines