FR2095330A1 - - Google Patents

Info

Publication number
FR2095330A1
FR2095330A1 FR7121996A FR7121996A FR2095330A1 FR 2095330 A1 FR2095330 A1 FR 2095330A1 FR 7121996 A FR7121996 A FR 7121996A FR 7121996 A FR7121996 A FR 7121996A FR 2095330 A1 FR2095330 A1 FR 2095330A1
Authority
FR
France
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
Application number
FR7121996A
Other languages
French (fr)
Other versions
FR2095330B1 (it
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.)
UK Government
Original Assignee
UK Government
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 UK Government filed Critical UK Government
Publication of FR2095330A1 publication Critical patent/FR2095330A1/fr
Application granted granted Critical
Publication of FR2095330B1 publication Critical patent/FR2095330B1/fr
Expired legal-status Critical Current

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 ; 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
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Exhaust Silencers (AREA)
  • Laminated Bodies (AREA)
FR7121996A 1970-06-18 1971-06-17 Expired FR2095330B1 (it)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2095330A1 true FR2095330A1 (it) 1972-02-11
FR2095330B1 FR2095330B1 (it) 1975-07-11

Family

ID=10293010

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7121996A Expired FR2095330B1 (it) 1970-06-18 1971-06-17

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

Citations (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

Patent Citations (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
DE2129962A1 (de) 1972-02-24
IT941415B (it) 1973-03-01
FR2095330B1 (it) 1975-07-11

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse