ACOUSTIC SKIN FOR AN AIRCRAFT NACELLE ACOUSTIC PANEL
The invention relates to an acoustic skin (22) for an aircraft nacelle acoustic panel, said skin including a plurality of layers (105, 106) stacked with composite planar bands (102) that are each directed by the direction-defining longitudinal axis (107) thereof, the longitudinal axes (107) of the b...
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| creator | RAMAIN, JEAN DREVON, EMMANUEL TISSOT, AURELIEN |
| description | The invention relates to an acoustic skin (22) for an aircraft nacelle acoustic panel, said skin including a plurality of layers (105, 106) stacked with composite planar bands (102) that are each directed by the direction-defining longitudinal axis (107) thereof, the longitudinal axes (107) of the bands (102) of a single layer (105, 106) being parallel therebetween, said bands (102) of said single layer (105, 106) being spaced from each other so as to have acoustic openings within the acoustic skin. The invention relates to a panel including such a skin, to a method for manufacturing said skin, and to a drape-forming head for implementing the method.
L'invention a trait à une peau acoustique (22) pour un panneau acoustique d'une nacelle d'aéronef, ladite peau comprenant une pluralité de couches (105; 106) empilées de rubans (102) plan composites dirigés chacun par leur axe longitudinal (107) définissant une direction, les axes longitudinaux (107) des rubans (102) d'une même couche (105; 106) étant parallèles entre eux, lesdits rubans (102) de ladite même couche (105; 106) étant espacés les uns des autres de sorte à présenter des ouvertures acoustiques dans la peau acoustique. L'invention a trait à un panneau comprenant une telle peau, un procédé de fabrication de ladite peau et une tête de drapage pour mettre en oeuvre le procédé. |
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L'invention a trait à une peau acoustique (22) pour un panneau acoustique d'une nacelle d'aéronef, ladite peau comprenant une pluralité de couches (105; 106) empilées de rubans (102) plan composites dirigés chacun par leur axe longitudinal (107) définissant une direction, les axes longitudinaux (107) des rubans (102) d'une même couche (105; 106) étant parallèles entre eux, lesdits rubans (102) de ladite même couche (105; 106) étant espacés les uns des autres de sorte à présenter des ouvertures acoustiques dans la peau acoustique. L'invention a trait à un panneau comprenant une telle peau, un procédé de fabrication de ladite peau et une tête de drapage pour mettre en oeuvre le procédé.</description><language>eng ; fre</language><subject>ACOUSTICS ; ACOUSTICS NOT OTHERWISE PROVIDED FOR ; AIR INTAKES FOR JET-PROPULSION PLANTS ; BLASTING ; COMBUSTION ENGINES ; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ; GAS-TURBINE PLANTS ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; LIGHTING ; MECHANICAL ENGINEERING ; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL ; MUSICAL INSTRUMENTS ; PERFORMING OPERATIONS ; PHYSICS ; SOUND-PRODUCING DEVICES ; TRANSPORTING ; WEAPONS</subject><creationdate>2011</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20110526&DB=EPODOC&CC=WO&NR=2011061430A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20110526&DB=EPODOC&CC=WO&NR=2011061430A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>RAMAIN, JEAN</creatorcontrib><creatorcontrib>DREVON, EMMANUEL</creatorcontrib><creatorcontrib>TISSOT, AURELIEN</creatorcontrib><title>ACOUSTIC SKIN FOR AN AIRCRAFT NACELLE ACOUSTIC PANEL</title><description>The invention relates to an acoustic skin (22) for an aircraft nacelle acoustic panel, said skin including a plurality of layers (105, 106) stacked with composite planar bands (102) that are each directed by the direction-defining longitudinal axis (107) thereof, the longitudinal axes (107) of the bands (102) of a single layer (105, 106) being parallel therebetween, said bands (102) of said single layer (105, 106) being spaced from each other so as to have acoustic openings within the acoustic skin. The invention relates to a panel including such a skin, to a method for manufacturing said skin, and to a drape-forming head for implementing the method.
L'invention a trait à une peau acoustique (22) pour un panneau acoustique d'une nacelle d'aéronef, ladite peau comprenant une pluralité de couches (105; 106) empilées de rubans (102) plan composites dirigés chacun par leur axe longitudinal (107) définissant une direction, les axes longitudinaux (107) des rubans (102) d'une même couche (105; 106) étant parallèles entre eux, lesdits rubans (102) de ladite même couche (105; 106) étant espacés les uns des autres de sorte à présenter des ouvertures acoustiques dans la peau acoustique. L'invention a trait à un panneau comprenant une telle peau, un procédé de fabrication de ladite peau et une tête de drapage pour mettre en oeuvre le procédé.</description><subject>ACOUSTICS</subject><subject>ACOUSTICS NOT OTHERWISE PROVIDED FOR</subject><subject>AIR INTAKES FOR JET-PROPULSION PLANTS</subject><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS</subject><subject>GAS-TURBINE PLANTS</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LAYERED PRODUCTS</subject><subject>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL</subject><subject>MUSICAL INSTRUMENTS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>SOUND-PRODUCING DEVICES</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2011</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDBxdPYPDQ7xdFYI9vb0U3DzD1Jw9FNw9AxyDnJ0C1Hwc3R29fFxVYCrCnD0c_XhYWBNS8wpTuWF0twMym6uIc4euqkF-fGpxQWJyal5qSXx4f5GBoaGBmaGJsYGjobGxKkCADxdJ-A</recordid><startdate>20110526</startdate><enddate>20110526</enddate><creator>RAMAIN, JEAN</creator><creator>DREVON, EMMANUEL</creator><creator>TISSOT, AURELIEN</creator><scope>EVB</scope></search><sort><creationdate>20110526</creationdate><title>ACOUSTIC SKIN FOR AN AIRCRAFT NACELLE ACOUSTIC PANEL</title><author>RAMAIN, JEAN ; DREVON, EMMANUEL ; TISSOT, AURELIEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO2011061430A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2011</creationdate><topic>ACOUSTICS</topic><topic>ACOUSTICS NOT OTHERWISE PROVIDED FOR</topic><topic>AIR INTAKES FOR JET-PROPULSION PLANTS</topic><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS</topic><topic>GAS-TURBINE PLANTS</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LAYERED PRODUCTS</topic><topic>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL</topic><topic>MUSICAL INSTRUMENTS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>SOUND-PRODUCING DEVICES</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>RAMAIN, JEAN</creatorcontrib><creatorcontrib>DREVON, EMMANUEL</creatorcontrib><creatorcontrib>TISSOT, AURELIEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>RAMAIN, JEAN</au><au>DREVON, EMMANUEL</au><au>TISSOT, AURELIEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ACOUSTIC SKIN FOR AN AIRCRAFT NACELLE ACOUSTIC PANEL</title><date>2011-05-26</date><risdate>2011</risdate><abstract>The invention relates to an acoustic skin (22) for an aircraft nacelle acoustic panel, said skin including a plurality of layers (105, 106) stacked with composite planar bands (102) that are each directed by the direction-defining longitudinal axis (107) thereof, the longitudinal axes (107) of the bands (102) of a single layer (105, 106) being parallel therebetween, said bands (102) of said single layer (105, 106) being spaced from each other so as to have acoustic openings within the acoustic skin. The invention relates to a panel including such a skin, to a method for manufacturing said skin, and to a drape-forming head for implementing the method.
L'invention a trait à une peau acoustique (22) pour un panneau acoustique d'une nacelle d'aéronef, ladite peau comprenant une pluralité de couches (105; 106) empilées de rubans (102) plan composites dirigés chacun par leur axe longitudinal (107) définissant une direction, les axes longitudinaux (107) des rubans (102) d'une même couche (105; 106) étant parallèles entre eux, lesdits rubans (102) de ladite même couche (105; 106) étant espacés les uns des autres de sorte à présenter des ouvertures acoustiques dans la peau acoustique. L'invention a trait à un panneau comprenant une telle peau, un procédé de fabrication de ladite peau et une tête de drapage pour mettre en oeuvre le procédé.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MECHANICAL ENGINEERING METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS SOUND-PRODUCING DEVICES TRANSPORTING WEAPONS |
| title | ACOUSTIC SKIN FOR AN AIRCRAFT NACELLE ACOUSTIC PANEL |
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