BR9205581A - Noise attenuation panel and aeromotor. - Google Patents

Noise attenuation panel and aeromotor.

Info

Publication number: BR9205581A
Authority: BR; Brazil
Prior art keywords: aeromotor; noise attenuation; attenuation panel; panel; noise
Prior art date: 1991-05-30

Application number

BR9205581A

Other languages

Portuguese (pt)

Inventor

Robert Samuel Wilson

Original Assignee

Short Brothers Plc

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.)

1991-05-30

Filing date

1992-05-27

Publication date

1994-09-27

1992-05-27 Application filed by Short Brothers Plc filed Critical Short Brothers Plc

1994-09-27 Publication of BR9205581A publication Critical patent/BR9205581A/en

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
- 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
- G10K11/162—Selection of materials
- G10K11/165—Particles in a matrix
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/043—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/285—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyethers
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
- 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
- B32B3/26—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 particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—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 particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
- 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
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/02—Cellular or porous
- B32B2305/026—Porous
- 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/56—Damping, energy absorption
- 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
- B32B2311/00—Metals, their alloys or their compounds
- B32B2311/24—Aluminium
- 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
- B32B2371/00—Polyethers, e.g. PEEK, i.e. polyether-etherketone; PEK, i.e. polyetherketone
- 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

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Soundproofing, Sound Blocking, And Sound Damping (AREA)
Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Casings For Electric Apparatus (AREA)
Plural Heterocyclic Compounds (AREA)
Connection Or Junction Boxes (AREA)

BR9205581A 1991-05-30 1992-05-27 Noise attenuation panel and aeromotor. BR9205581A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB919111621A GB9111621D0 (en)	1991-05-30	1991-05-30	Noise attenuation panel
PCT/GB1992/000957 WO1992022053A1 (en)	1991-05-30	1992-05-27	Noise attenuation panel

Publications (1)

Publication Number	Publication Date
BR9205581A true BR9205581A (en)	1994-09-27

Family

ID=10695801

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9205581A BR9205581A (en)	1991-05-30	1992-05-27	Noise attenuation panel and aeromotor.

Country Status (8)

Country	Link
EP (1)	EP0586452A1 (en)
JP (1)	JPH06508935A (en)
AU (1)	AU1762592A (en)
BR (1)	BR9205581A (en)
CA (1)	CA2095919A1 (en)
GB (2)	GB9111621D0 (en)
IL (1)	IL102049A0 (en)
WO (1)	WO1992022053A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2739888B2 (en) *	1994-10-24	1998-04-15	正幸今井	Oxygen concentrator
FR2775216B1 (en) *	1998-02-26	2000-07-13	Snecma	SOUNDPROOFING PANEL AND METHOD FOR PRODUCING THE SAME
GB0119608D0 (en) *	2001-08-11	2001-10-03	Rolls Royce Plc	A guide vane assembly
JP4754836B2 (en) *	2005-01-27	2011-08-24	株式会社神戸製鋼所	Double wall structure
US7434659B2 (en) *	2005-04-04	2008-10-14	Hexcel Corporation	Acoustic septum cap honeycomb
US8815038B2 (en)	2008-10-01	2014-08-26	The Boeing Company	Joining curved composite sandwich panels
US8834667B2 (en)	2010-10-19	2014-09-16	The Boeing Company	Method for joining sandwich truss core panels and composite structures produced therefrom
US8607924B2 (en) *	2011-09-08	2013-12-17	Hexcel Corporation	Anchoring of septums in acoustic honeycomb
US8651233B2 (en)	2012-05-08	2014-02-18	Hexcel Corporation	Acoustic structure with increased bandwidth suppression
GB2512869B (en) *	2013-04-09	2021-07-21	Upm Kymmene Corp	A composite having acoustic properties, manufacturing the composite, a component comprising a composite, manufacturing the component and uses thereof
GB2539228B (en) *	2015-06-10	2017-07-26	Fergusson's Advanced Composite Tech Ltd	A method of making a composite structure
WO2021116888A1 (en) *	2019-12-12	2021-06-17	3M Innovative Properties Company	Dual layer sound-absorbing panels comprising a core consisting of connected cells, wherein some of the cell walls have openings
WO2021116889A1 (en) *	2019-12-12	2021-06-17	3M Innovative Properties Company	Methods of making dual layer sound-absorbing panels comprising a core consisting of connected cells, wherein some of the cell walls have openings
EP4144649A1 (en) *	2021-09-07	2023-03-08	Lilium eAircraft GmbH	Shrouded fan engine comprising an acoustic liner
EP4411726A1 (en) *	2023-01-31	2024-08-07	Airbus SAS	Honeycomb structure of an acoustic attenuation panel comprising at least one partition configured to vibrate at a desired frequency, method for producing said honeycomb structure
US12428165B2 (en) *	2023-06-05	2025-09-30	Rohr, Inc.	Nacelle inlet structure with foam core

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2981360A (en) *	1954-02-18	1961-04-25	Bayer Ag	Sound-absorbing systems
US3821999A (en) *	1972-09-05	1974-07-02	Mc Donnell Douglas Corp	Acoustic liner
JPS5073734A (en) *	1973-11-05	1975-06-18
SE420629C (en) *	1979-11-19	1985-09-30	Larsson Jan E	SOUND MUFF MATT AND SET FOR ITS MANUFACTURING
JPS57178855A (en) *	1981-04-30	1982-11-04	Nissan Motor	Acoustic board
GB2130963B (en) *	1982-11-30	1986-03-19	Rolls Royce	Manufacturing damped resonator acoustical panel
FR2562699B1 (en) *	1984-04-09	1986-12-05	Alsthom Atlantique	ACOUSTIC WAVE ABSORBING COATING
GB8817669D0 (en) *	1988-07-25	1988-09-01	Short Brothers Ltd	Means for attenuating sound energy
JP2646140B2 (en) *	1989-11-21	1997-08-25	株式会社ペトカ	Carbon fiber composite and method for producing the same

1991
- 1991-05-30 GB GB919111621A patent/GB9111621D0/en active Pending
1992
- 1992-05-27 BR BR9205581A patent/BR9205581A/en not_active Application Discontinuation
- 1992-05-27 CA CA002095919A patent/CA2095919A1/en not_active Abandoned
- 1992-05-27 WO PCT/GB1992/000957 patent/WO1992022053A1/en not_active Ceased
- 1992-05-27 JP JP4509641A patent/JPH06508935A/en active Pending
- 1992-05-27 AU AU17625/92A patent/AU1762592A/en not_active Abandoned
- 1992-05-27 GB GB9211223A patent/GB2256395B/en not_active Expired - Fee Related
- 1992-05-27 EP EP92910627A patent/EP0586452A1/en not_active Withdrawn
- 1992-05-29 IL IL102049A patent/IL102049A0/en unknown

Also Published As

Publication number	Publication date
GB9111621D0 (en)	1991-07-24
GB9211223D0 (en)	1992-07-08
GB2256395A (en)	1992-12-09
WO1992022053A1 (en)	1992-12-10
IL102049A0 (en)	1992-12-30
CA2095919A1 (en)	1992-12-01
GB2256395B (en)	1995-07-05
JPH06508935A (en)	1994-10-06
AU1762592A (en)	1993-01-08
EP0586452A1 (en)	1994-03-16

Publication	Publication Date	Title
GB2252078B (en)	1994-11-30	Noise attenuation panel
DE69420027D1 (en)	1999-09-16	NOISE REDUCTION
DE69313480D1 (en)	1997-10-09	Noise reduction device
GB2223448B (en)	1993-02-24	Noise attenuation panel
GB2252075B (en)	1994-10-19	Noise Attenuation Panel
DE69130452D1 (en)	1998-12-10	NOISE REDUCTION SYSTEM
DE69330544D1 (en)	2001-09-13	Noise control device
DE69319783D1 (en)	1998-08-27	Noise reduction system
DE69223147D1 (en)	1997-12-18	NOISE REDUCTION SYSTEM
DE69327885D1 (en)	2000-03-30	Noise control device
DE69417216D1 (en)	1999-04-22	NOISE REDUCTION
GB2252076B (en)	1994-11-09	Noise attenuation panel
DE69118014D1 (en)	1996-04-25	Noise reduction arrangements
DE69328987D1 (en)	2000-08-17	Noise reduction device
BR9205581A (en)	1994-09-27	Noise attenuation panel and aeromotor.
GB2252077B (en)	1994-11-02	Noise attenuation panel
DE69325330D1 (en)	1999-07-22	NOISE CONTROL UNIT
FI922641L (en)	1993-12-09	Noise barrier
DE69316938D1 (en)	1998-03-19	Noise reduction device
DE69124087D1 (en)	1997-02-20	NOISE REDUCTION DEVICE
DE69228951D1 (en)	1999-05-20	NOISE CANCELLATION SYSTEM
FR2707415B1 (en)	1995-09-29	Noise reduction device.
ES1019771Y (en)	1993-01-01	CURVED URBANISTIC PANEL.
BR9205482A (en)	1993-11-23	NOISE ATTENUATION PANEL, AND, AEROMOTOR UNDERSTANDING SUCH A PANEL
KR910018027U (en)	1991-11-28	Sound absorption and sound insulation panel

Legal Events

Date	Code	Title	Description
1995-09-05	FA1	Application withdrawn (art. 18(2))