SE405134B - SOUND ABSORBING PANEL - Google Patents

SOUND ABSORBING PANEL

Info

Publication number
SE405134B
SE405134B SE7503813A SE7503813A SE405134B SE 405134 B SE405134 B SE 405134B SE 7503813 A SE7503813 A SE 7503813A SE 7503813 A SE7503813 A SE 7503813A SE 405134 B SE405134 B SE 405134B
Authority
SE
Sweden
Prior art keywords
sound absorbing
absorbing panel
panel
sound
absorbing
Prior art date
Application number
SE7503813A
Other languages
Swedish (sv)
Other versions
SE7503813L (en
Inventor
L S Wirt
D L Morrow
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
Publication of SE7503813L publication Critical patent/SE7503813L/en
Publication of SE405134B publication Critical patent/SE405134B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered 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
    • B32B3/10Layered 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
    • B32B3/12Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/04Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of exhaust outlets or jet pipes
    • B64D33/06Silencing exhaust or propulsion jets
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/10Properties of the layers or laminate having particular acoustical properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/40Properties of the layers or laminate having particular optical properties
    • B32B2307/412Transparent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00Walls, 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)
SE7503813A 1974-04-08 1975-04-03 SOUND ABSORBING PANEL SE405134B (en)

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 (2)

Publication Number Publication Date
SE7503813L SE7503813L (en) 1975-10-09
SE405134B true SE405134B (en) 1978-11-20

Family

ID=23821679

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7503813A SE405134B (en) 1974-04-08 1975-04-03 SOUND ABSORBING PANEL

Country Status (9)

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

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 (en) * 1980-06-02 1981-12-17 Messerschmitt-Bölkow-Blohm GmbH, 8000 München SCREENS WITH RESONATORS, IN PARTICULAR SILATORS
DE3140270A1 (en) * 1981-10-10 1983-04-28 Autoflug Gmbh, 2084 Rellingen Motor vehicle frame part with belt retractor and tensioning device
DE4011705A1 (en) * 1990-04-11 1991-10-17 Freudenberg Carl Fa AIR SOUND ABSORBING MOLDED PART
GB9101395D0 (en) * 1991-01-22 1991-03-06 Short Brothers Plc Structural cellular component
DE4415983C2 (en) 1994-05-06 1998-02-19 Continental Ag Device to be attached to the wheel arch of a motor vehicle and acting as a passive sound absorber
DE19804718C2 (en) * 1998-02-06 2001-09-13 Eurocopter Deutschland Sound absorbing sandwich wall
DE19841975B4 (en) * 1998-09-14 2004-02-12 Continental Aktiengesellschaft Sound absorbing plate
DE10001932A1 (en) * 2000-01-19 2001-08-02 Kautex Textron Gmbh & Co Kg Cladding element
US6918740B2 (en) * 2003-01-28 2005-07-19 Dresser-Rand Company Gas compression apparatus and method with noise attenuation
JP2013015118A (en) * 2011-07-06 2013-01-24 Toyota Boshoku Corp Sound absorbing structure
DE102013000691A1 (en) * 2013-01-15 2014-07-17 Kai Klinder Sound absorbing hollow cavity has main portion that is provided with honeycomb structure with extremely thin inner walls and damping element
CN110473510B (en) * 2019-07-31 2024-06-18 中国船舶重工集团公司第七一四研究所 Cell structure based on phonon crystal and return air sound insulation device
JP7475932B2 (en) * 2020-04-01 2024-04-30 プレス工業株式会社 Automotive soundproof cover structure
US11668236B2 (en) * 2020-07-24 2023-06-06 General Electric Company Acoustic liners with low-frequency sound wave attenuating features
CN112002300A (en) * 2020-10-12 2020-11-27 株洲时代新材料科技股份有限公司 Broadband resonance sound absorption method and structure

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
JPS6014359B2 (en) 1985-04-12
AU7988375A (en) 1976-10-14
IL47021A0 (en) 1975-06-25
FR2266929A1 (en) 1975-10-31
JPS50138615A (en) 1975-11-05
IT1035218B (en) 1979-10-20
DE2515127A1 (en) 1975-10-16
DE2515127C2 (en) 1986-04-30
FR2266929B1 (en) 1980-04-25
BE827666A (en) 1975-10-08
SE7503813L (en) 1975-10-09
CA1051351A (en) 1979-03-27
IL47021A (en) 1977-11-30
GB1502314A (en) 1978-03-01

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