IT1035218B - Struttura cellulare per assorbimento del suono - Google Patents

Struttura cellulare per assorbimento del suono

Info

Publication number
IT1035218B
IT1035218B IT48977/75A IT4897775A IT1035218B IT 1035218 B IT1035218 B IT 1035218B IT 48977/75 A IT48977/75 A IT 48977/75A IT 4897775 A IT4897775 A IT 4897775A IT 1035218 B IT1035218 B IT 1035218B
Authority
IT
Italy
Prior art keywords
sound absorption
cellular structure
cellular
sound
absorption
Prior art date
Application number
IT48977/75A
Other languages
English (en)
Original Assignee
Lockheed Aircraft Corp
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
Priority claimed from US458676A external-priority patent/US3913702A/en
Application filed by Lockheed Aircraft Corp filed Critical Lockheed Aircraft Corp
Application granted granted Critical
Publication of IT1035218B publication Critical patent/IT1035218B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/04—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of exhaust outlets or jet pipes
    • B64D33/06—Silencing exhaust or propulsion jets
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Pipe Accessories (AREA)
IT48977/75A 1974-04-08 1975-04-08 Struttura cellulare per assorbimento del suono IT1035218B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US458676A US3913702A (en) 1973-06-04 1974-04-08 Cellular sound absorptive structure

Publications (1)

Publication Number Publication Date
IT1035218B true IT1035218B (it) 1979-10-20

Family

ID=23821679

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48977/75A IT1035218B (it) 1974-04-08 1975-04-08 Struttura cellulare per assorbimento del suono

Country Status (9)

Country Link
JP (1) JPS6014359B2 (it)
BE (1) BE827666A (it)
CA (1) CA1051351A (it)
DE (1) DE2515127C2 (it)
FR (1) FR2266929B1 (it)
GB (1) GB1502314A (it)
IL (1) IL47021A (it)
IT (1) IT1035218B (it)
SE (1) SE405134B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4265955A (en) * 1978-05-01 1981-05-05 The Boeing Company Honeycomb core with internal septum and method of making same
GB2038410B (en) * 1978-12-27 1982-11-17 Rolls Royce Acoustic lining utilising resonance
DE3020849A1 (de) * 1980-06-02 1981-12-17 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Schallschirme mittels resonatoren, insbesondere silatoren
DE3140270A1 (de) * 1981-10-10 1983-04-28 Autoflug Gmbh, 2084 Rellingen Kraftfahrzeug-rahmenteil mit gurtaufroller und strammvorrichtung
DE4011705A1 (de) * 1990-04-11 1991-10-17 Freudenberg Carl Fa Luftschall absorbierendes formteil
GB9101395D0 (en) * 1991-01-22 1991-03-06 Short Brothers Plc Structural cellular component
DE4415983C2 (de) † 1994-05-06 1998-02-19 Continental Ag Am Radkasten eines Kraftfahrzeuges anzubringende, als passiver Schallabsorber wirkende Vorrichtung
DE19804718C2 (de) * 1998-02-06 2001-09-13 Eurocopter Deutschland Schall absorbierende Sandwichwand
DE19841975B4 (de) * 1998-09-14 2004-02-12 Continental Aktiengesellschaft Schallabsorbierende Platte
DE10001932A1 (de) 2000-01-19 2001-08-02 Kautex Textron Gmbh & Co Kg Verkleidungselement
US6918740B2 (en) * 2003-01-28 2005-07-19 Dresser-Rand Company Gas compression apparatus and method with noise attenuation
JP2013015118A (ja) * 2011-07-06 2013-01-24 Toyota Boshoku Corp 吸音構造体
DE102013000691A1 (de) * 2013-01-15 2014-07-17 Kai Klinder Schallabsorbierender Hohlraum-Absorber mit engmaschiger Wabenstruktur zum Aufbau von Schallschutzeinrichtungen
CN110473510B (zh) * 2019-07-31 2024-06-18 中国船舶重工集团公司第七一四研究所 一种基于声子晶体的元胞结构及回风隔声装置
JP7475932B2 (ja) * 2020-04-01 2024-04-30 プレス工業株式会社 自動車用防音カバー構造
US11668236B2 (en) * 2020-07-24 2023-06-06 General Electric Company Acoustic liners with low-frequency sound wave attenuating features
CN112002300A (zh) * 2020-10-12 2020-11-27 株洲时代新材料科技股份有限公司 宽频共振吸声方法及结构

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166149A (en) * 1965-01-19 Damped-resonator acoustical panels
US3831710A (en) * 1973-01-24 1974-08-27 Lockheed Aircraft Corp Sound absorbing panel

Also Published As

Publication number Publication date
SE7503813L (sv) 1975-10-09
IL47021A (en) 1977-11-30
FR2266929A1 (it) 1975-10-31
BE827666A (fr) 1975-10-08
CA1051351A (en) 1979-03-27
AU7988375A (en) 1976-10-14
IL47021A0 (en) 1975-06-25
GB1502314A (en) 1978-03-01
JPS50138615A (it) 1975-11-05
DE2515127A1 (de) 1975-10-16
DE2515127C2 (de) 1986-04-30
JPS6014359B2 (ja) 1985-04-12
SE405134B (sv) 1978-11-20
FR2266929B1 (it) 1980-04-25

Similar Documents

Publication Publication Date Title
IT1035218B (it) Struttura cellulare per assorbimento del suono
JPS5116358A (ja) Ookikuteigenseshimerareta kaarukeikoojusurunetsukasoseijugotaifuirumu oyobi netsukasoseijugotaifuirumuno kaaruoteigenseshimeruhoho
IT1005687B (it) Prodotto fonoassorbente preformabi le
JPS5119706A (ja) Mushokunotoriechirentetoramin oyobi tetoraechirenpentaminnoseizoho
JPS5110854A (ja) Purasuchitsukuanteizai oyobi sonoseiho
JPS51104084A (ja) Eiyosokongobutsuobiseibutsuo shoshitehatsukonyorihannosaseruhoho oyobi sorenishosurusochi
JPS5120072A (ja) Chitsusosankabutsuoganjusuru ekitaino datsuchitsusoshorihoho oyobi sonosochi
JPS5117901A (ja) Seramitsukuseihinoshoseisuruhoho oyobi sonokanketsuro
JPS5120210A (ja) Chikukoseihoorooseihin oyobi sonoseizoho
JPS5118344A (ja) Judokanetsusochitono hikanetsutai oyobi sonoseizohoho
JPS51109A (ja) Daikokeikuitainochikomikoho oyobi korenishosurupairotsutogui
JPS5131010A (ja) Kaiteichibannokairyokoho oyobi sonosochi
JPS5113718A (ja) Kachionnoshishitsukayoseisakutainoseizohoho konohohoojitsushisurutamenosakutaikeiseizai konohohonojitsushi oyobi sakutainooyo
JPS5119817A (ja) Shinkinaruhyomentokuseiojusuru tansoseni oyobi sonoseizohoho
JPS511196A (ja) Maikurokosokuekitaikuromatogurafuno shiryosaishu oyobi chuniuhoho
JPS5119021A (ja) Tairuchikomipurekyasutokonkuriitobanno seizohoho oyobi sonojitsushiniryosuru mejidanseitai
JPS5117273A (ja) Reienshinhoriechirenfuirumu oyobi shiitonokairyohoho
JPS51101800A (ja) Joryuzansakaraehokishika oyobi hidorokishikashokubaiobunrisuruhoho
JPS5115774A (ja) Kikaiyoshindoboshihoho oyobi konotamenodokyushinki
JPS5116677A (ja) Shinkinabuchirofuenonjudotai oyobi sonosanfukaennoseiho
JPS5115770A (ja) Anchisukitsudosochino seigyohoho oyobi sonosochi
JPS5117018A (ja) Mukintekipaipurenketsuho oyobi sonosochi
JPS5111043A (ja) Juzaihifukuseruhandaseikeitai oyobi juzaiseikeitainoseiho
JPS5117301A (ja) Parupukokuekishokyakuseiseibutsuno kaishuhoho oyobi kaishusochi
JPS5133171A (ja) Netsushushukuseichuubu oyobi shiito