ACOUSTIC PANEL FOR A TURBOMACHINE AND METHOD FOR THE PRODUCTION THEREOF
An acoustic panel for a turbomachine, in particular for an aircraft, includes two skins that are substantially parallel and between which extend cavities forming Helmholtz resonators, one of the skins being perforated by orifices opening into the cavities and forming necks of the Helmholtz resonator...
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| creator | PICCIRELLI, Nicola |
| description | An acoustic panel for a turbomachine, in particular for an aircraft, includes two skins that are substantially parallel and between which extend cavities forming Helmholtz resonators, one of the skins being perforated by orifices opening into the cavities and forming necks of the Helmholtz resonators, vibrating masses being provided in at least some of the cavities and connected to cavity walls by an elastic junction housed in the cavity. |
| format | Patent |
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fre ; ger</language><subject>ACOUSTICS ; ACOUSTICS NOT OTHERWISE PROVIDED FOR ; AEROPLANES ; AIR INTAKES FOR JET-PROPULSION PLANTS ; AIRCRAFT ; AVIATION ; BLASTING ; COMBUSTION ENGINES ; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ; COSMONAUTICS ; GAS-TURBINE PLANTS ; HEATING ; HELICOPTERS ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; JET-PROPULSION PLANTS ; 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>2020</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=20200902&DB=EPODOC&CC=EP&NR=3491227B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200902&DB=EPODOC&CC=EP&NR=3491227B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PICCIRELLI, Nicola</creatorcontrib><title>ACOUSTIC PANEL FOR A TURBOMACHINE AND METHOD FOR THE PRODUCTION THEREOF</title><description>An acoustic panel for a turbomachine, in particular for an aircraft, includes two skins that are substantially parallel and between which extend cavities forming Helmholtz resonators, one of the skins being perforated by orifices opening into the cavities and forming necks of the Helmholtz resonators, vibrating masses being provided in at least some of the cavities and connected to cavity walls by an elastic junction housed in the cavity.</description><subject>ACOUSTICS</subject><subject>ACOUSTICS NOT OTHERWISE PROVIDED FOR</subject><subject>AEROPLANES</subject><subject>AIR INTAKES FOR JET-PROPULSION PLANTS</subject><subject>AIRCRAFT</subject><subject>AVIATION</subject><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS</subject><subject>COSMONAUTICS</subject><subject>GAS-TURBINE PLANTS</subject><subject>HEATING</subject><subject>HELICOPTERS</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>JET-PROPULSION PLANTS</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>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHB3dPYPDQ7xdFYIcPRz9VFw8w9ScFQICQ1y8vd1dPbw9HNVcPRzUfB1DfHwdwHLhni4KgQE-buEOod4-vuBuEGu_m48DKxpiTnFqbxQmptBwc01xNlDN7UgPz61uCAxOTUvtSTeNcDYxNLQyMjcydCYCCUAYxYr9A</recordid><startdate>20200902</startdate><enddate>20200902</enddate><creator>PICCIRELLI, Nicola</creator><scope>EVB</scope></search><sort><creationdate>20200902</creationdate><title>ACOUSTIC PANEL FOR A TURBOMACHINE AND METHOD FOR THE PRODUCTION THEREOF</title><author>PICCIRELLI, Nicola</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3491227B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; 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| language | eng ; fre ; ger |
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| subjects | ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR AEROPLANES AIR INTAKES FOR JET-PROPULSION PLANTS AIRCRAFT AVIATION BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS COSMONAUTICS GAS-TURBINE PLANTS HEATING HELICOPTERS HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS JET-PROPULSION PLANTS 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 PANEL FOR A TURBOMACHINE AND METHOD FOR THE PRODUCTION THEREOF |
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