METHODS FOR DIVERTING LIGHTNING CURRENT FROM SKIN FASTENERS IN COMPOSITE, NON-METALLIC STRUCTURES
A multilayer composite structure with integrated fastener- to-conductive layer surface lightning protection interconnection employs a conductive layer with an inner surface and a plurality of chamfered recesses forming countersinks in an outer surface. A carbon-fiber reinforced plastic (CFRP) compos...
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| creator | MORGAN, JEFFREY DENYS WHITING, BRENT A LE, QUYNHGIAO GREEGOR, ROBERT B |
| description | A multilayer composite structure with integrated fastener- to-conductive layer surface lightning protection interconnection employs a conductive layer with an inner surface and a plurality of chamfered recesses forming countersinks in an outer surface. A carbon-fiber reinforced plastic (CFRP) composite layer is disposed on the inner surface of the conductive layer and conforms to the surface shape. A plurality of holes extend through the plurality of chamfered recesses in the conductive layer and the adjoining CFRP composite layer in a manner such that the conductive layer defines a countersink portion extending into the openings of the plurality of holes. The chamfered recesses in the conductive layer provides an electrically conductive surface area that contacts conductive countersunk fasteners installed within the plurality of holes to enable current sharing between groups of neighboring fasteners.
Une structure composite multicouche ayant une interconnexion intégrée dattache à une surface dune couche conductrice avec protection contre la foudre emploie une couche conductrice ayant une surface intérieure et plusieurs cavités chanfreinées formant des fraises dans une surface extérieure. Une couche composite de plastique renforcée de fibres de carbone (CFRP) est placée sur la surface intérieure de la couche conductrice et correspond à la forme de la surface. Plusieurs trous sétendent à travers les cavités chanfreinées dans la couche conductrice et la couche composite CFRP voisine de sorte que la couche conductrice définisse une partie de fraise sétendant dans les ouvertures des trous. Les cavités chanfreinées dans la couche conductrice fournissent une zone de surface conductrice qui entre en contact avec des attaches conductrices en fraise installées dans les trous pour permettre le partage de courant entre des groupes dattaches voisins. |
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Une structure composite multicouche ayant une interconnexion intégrée dattache à une surface dune couche conductrice avec protection contre la foudre emploie une couche conductrice ayant une surface intérieure et plusieurs cavités chanfreinées formant des fraises dans une surface extérieure. Une couche composite de plastique renforcée de fibres de carbone (CFRP) est placée sur la surface intérieure de la couche conductrice et correspond à la forme de la surface. Plusieurs trous sétendent à travers les cavités chanfreinées dans la couche conductrice et la couche composite CFRP voisine de sorte que la couche conductrice définisse une partie de fraise sétendant dans les ouvertures des trous. Les cavités chanfreinées dans la couche conductrice fournissent une zone de surface conductrice qui entre en contact avec des attaches conductrices en fraise installées dans les trous pour permettre le partage de courant entre des groupes dattaches voisins.</description><language>eng ; fre</language><subject>AEROPLANES ; AIRCRAFT ; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT ; AVIATION ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; COSMONAUTICS ; ELECTRICITY ; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS ; EQUIPMENT FOR FITTING IN OR TO AIRCRAFT ; FLYING SUITS ; GENERATION ; HELICOPTERS ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; PARACHUTES ; PERFORMING OPERATIONS ; TRANSPORTING</subject><creationdate>2021</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=20210309&DB=EPODOC&CC=CA&NR=2934731C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210309&DB=EPODOC&CC=CA&NR=2934731C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MORGAN, JEFFREY DENYS</creatorcontrib><creatorcontrib>WHITING, BRENT A</creatorcontrib><creatorcontrib>LE, QUYNHGIAO</creatorcontrib><creatorcontrib>GREEGOR, ROBERT B</creatorcontrib><title>METHODS FOR DIVERTING LIGHTNING CURRENT FROM SKIN FASTENERS IN COMPOSITE, NON-METALLIC STRUCTURES</title><description>A multilayer composite structure with integrated fastener- to-conductive layer surface lightning protection interconnection employs a conductive layer with an inner surface and a plurality of chamfered recesses forming countersinks in an outer surface. A carbon-fiber reinforced plastic (CFRP) composite layer is disposed on the inner surface of the conductive layer and conforms to the surface shape. A plurality of holes extend through the plurality of chamfered recesses in the conductive layer and the adjoining CFRP composite layer in a manner such that the conductive layer defines a countersink portion extending into the openings of the plurality of holes. The chamfered recesses in the conductive layer provides an electrically conductive surface area that contacts conductive countersunk fasteners installed within the plurality of holes to enable current sharing between groups of neighboring fasteners.
Une structure composite multicouche ayant une interconnexion intégrée dattache à une surface dune couche conductrice avec protection contre la foudre emploie une couche conductrice ayant une surface intérieure et plusieurs cavités chanfreinées formant des fraises dans une surface extérieure. Une couche composite de plastique renforcée de fibres de carbone (CFRP) est placée sur la surface intérieure de la couche conductrice et correspond à la forme de la surface. Plusieurs trous sétendent à travers les cavités chanfreinées dans la couche conductrice et la couche composite CFRP voisine de sorte que la couche conductrice définisse une partie de fraise sétendant dans les ouvertures des trous. 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A carbon-fiber reinforced plastic (CFRP) composite layer is disposed on the inner surface of the conductive layer and conforms to the surface shape. A plurality of holes extend through the plurality of chamfered recesses in the conductive layer and the adjoining CFRP composite layer in a manner such that the conductive layer defines a countersink portion extending into the openings of the plurality of holes. The chamfered recesses in the conductive layer provides an electrically conductive surface area that contacts conductive countersunk fasteners installed within the plurality of holes to enable current sharing between groups of neighboring fasteners.
Une structure composite multicouche ayant une interconnexion intégrée dattache à une surface dune couche conductrice avec protection contre la foudre emploie une couche conductrice ayant une surface intérieure et plusieurs cavités chanfreinées formant des fraises dans une surface extérieure. Une couche composite de plastique renforcée de fibres de carbone (CFRP) est placée sur la surface intérieure de la couche conductrice et correspond à la forme de la surface. Plusieurs trous sétendent à travers les cavités chanfreinées dans la couche conductrice et la couche composite CFRP voisine de sorte que la couche conductrice définisse une partie de fraise sétendant dans les ouvertures des trous. Les cavités chanfreinées dans la couche conductrice fournissent une zone de surface conductrice qui entre en contact avec des attaches conductrices en fraise installées dans les trous pour permettre le partage de courant entre des groupes dattaches voisins.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AEROPLANES AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COSMONAUTICS ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS GENERATION HELICOPTERS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PARACHUTES PERFORMING OPERATIONS TRANSPORTING |
| title | METHODS FOR DIVERTING LIGHTNING CURRENT FROM SKIN FASTENERS IN COMPOSITE, NON-METALLIC STRUCTURES |
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