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

    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • 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
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/78—Other construction of jet pipes
    • F02K1/82—Jet pipe walls, e.g. liners
    • F02K1/827—Sound absorbing structures or liners
    • 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
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/15—Plurality of resonance or dead chambers
    • F01N2490/155—Plurality 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)
  • Laminated Bodies (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Exhaust Silencers (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
FR2095330B1 (it) 1975-07-11
FR2095330A1 (it) 1972-02-11
DE2129962A1 (de) 1972-02-24

Similar Documents

Publication Publication Date Title
BE744595A (fr) Structure acoustique
FI55349C (fi) Mindre skummande tvaettmedelkomposition
BE761447A (fr) Termineur
AT309996B (de) Skibob
BE760036A (fr) Reklamezuil
ATA818171A (de) Buestenhalter
BE764860A (fr) Opfokkooi
BE761752A (fr) Marmerachtige glasmaterialen
BE761406A (fr) Lichtprojectie-apparaat
FI55348B (fi) Framstaellningsfoerfarande foer polykarbonater
AR220504A1 (es) Rulero
FI53383C (fi) Stroemriktarkoppling
BE772944A (fr) Attenuateur acoustique
BE771389A (fr) Enceinte de haut-parleur
FI55775B (fi) Foerbaettrat absorptionsfoerfarande
BE760221A (fr) Resonateur-piezo-electrique
ATA437571A (de) Stalltur
FI54552C (fi) Kaffe-extraheringsfoerfarande
BE762183A (fr) Sproeibusklep
AT324988B (de) Backkopen
BE755973A (fr) Stylographe
BR7019763D0 (pt) Dispositivo acustico
AT307817B (de) Schalldämpfer
IT941415B (it) Attenuatore acustico
CH526234A (de) Steuerbares Dämpfungsglied