Unfoldable divergent nozzle for a rocket engine
An unfoldable divergent nozzle for a rocket engine comprises a set of elementary individual panels of a refractory material articulated together and with respect to a fixed upstream portion of the divergent nozzle in the vicinity of the neck of the nozzle. The articulations between two adjacent pane...
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| creator | DONGUY PAUL |
| description | An unfoldable divergent nozzle for a rocket engine comprises a set of elementary individual panels of a refractory material articulated together and with respect to a fixed upstream portion of the divergent nozzle in the vicinity of the neck of the nozzle. The articulations between two adjacent panels arranged to be folded on one another with their inner surfaces facing one another; each comprise at least one hinge with two axles inserted in the walls of the two panels articulated to one another, and held at a constant distance from one another by a link set back with respect to the thickness of the panel. Two adjacent panels have in the vicinity of a hinge two cylindrical surfaces respectively centered on each of the axles and rollable without sliding on one another. |
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The articulations between two adjacent panels arranged to be folded on one another with their inner surfaces facing one another; each comprise at least one hinge with two axles inserted in the walls of the two panels articulated to one another, and held at a constant distance from one another by a link set back with respect to the thickness of the panel. Two adjacent panels have in the vicinity of a hinge two cylindrical surfaces respectively centered on each of the axles and rollable without sliding on one another.</description><language>eng</language><subject>BLASTING ; COMBUSTION ENGINES ; FIXED CONSTRUCTIONS ; HEATING ; HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; JET-PROPULSION PLANTS ; KEYS ; LIGHTING ; LOCKS ; MECHANICAL ENGINEERING ; SAFES ; WEAPONS ; WINDOW OR DOOR FITTINGS</subject><creationdate>1982</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=19820914&DB=EPODOC&CC=US&NR=4349155A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19820914&DB=EPODOC&CC=US&NR=4349155A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DONGUY; PAUL</creatorcontrib><title>Unfoldable divergent nozzle for a rocket engine</title><description>An unfoldable divergent nozzle for a rocket engine comprises a set of elementary individual panels of a refractory material articulated together and with respect to a fixed upstream portion of the divergent nozzle in the vicinity of the neck of the nozzle. The articulations between two adjacent panels arranged to be folded on one another with their inner surfaces facing one another; each comprise at least one hinge with two axles inserted in the walls of the two panels articulated to one another, and held at a constant distance from one another by a link set back with respect to the thickness of the panel. Two adjacent panels have in the vicinity of a hinge two cylindrical surfaces respectively centered on each of the axles and rollable without sliding on one another.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>FIXED CONSTRUCTIONS</subject><subject>HEATING</subject><subject>HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>JET-PROPULSION PLANTS</subject><subject>KEYS</subject><subject>LIGHTING</subject><subject>LOCKS</subject><subject>MECHANICAL ENGINEERING</subject><subject>SAFES</subject><subject>WEAPONS</subject><subject>WINDOW OR DOOR FITTINGS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1982</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAPzUvLz0lJTMpJVUjJLEstSk_NK1HIy6-qAgqk5RcpJCoU5Sdnp5YopOalZ-al8jCwpiXmFKfyQmluBnk31xBnD93Ugvz41OKCxOTUvNSS-NBgE2MTS0NTU0djwioAkGEqSg</recordid><startdate>19820914</startdate><enddate>19820914</enddate><creator>DONGUY; PAUL</creator><scope>EVB</scope></search><sort><creationdate>19820914</creationdate><title>Unfoldable divergent nozzle for a rocket engine</title><author>DONGUY; PAUL</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US4349155A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1982</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>FIXED CONSTRUCTIONS</topic><topic>HEATING</topic><topic>HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>JET-PROPULSION PLANTS</topic><topic>KEYS</topic><topic>LIGHTING</topic><topic>LOCKS</topic><topic>MECHANICAL ENGINEERING</topic><topic>SAFES</topic><topic>WEAPONS</topic><topic>WINDOW OR DOOR FITTINGS</topic><toplevel>online_resources</toplevel><creatorcontrib>DONGUY; PAUL</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DONGUY; PAUL</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Unfoldable divergent nozzle for a rocket engine</title><date>1982-09-14</date><risdate>1982</risdate><abstract>An unfoldable divergent nozzle for a rocket engine comprises a set of elementary individual panels of a refractory material articulated together and with respect to a fixed upstream portion of the divergent nozzle in the vicinity of the neck of the nozzle. The articulations between two adjacent panels arranged to be folded on one another with their inner surfaces facing one another; each comprise at least one hinge with two axles inserted in the walls of the two panels articulated to one another, and held at a constant distance from one another by a link set back with respect to the thickness of the panel. Two adjacent panels have in the vicinity of a hinge two cylindrical surfaces respectively centered on each of the axles and rollable without sliding on one another.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BLASTING COMBUSTION ENGINES FIXED CONSTRUCTIONS HEATING HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS JET-PROPULSION PLANTS KEYS LIGHTING LOCKS MECHANICAL ENGINEERING SAFES WEAPONS WINDOW OR DOOR FITTINGS |
| title | Unfoldable divergent nozzle for a rocket engine |
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