Electromagnetic launcher with improved current commutating switch performance
To improve the performance and life of a charging current-conducting commutating switch (36) in an inductor (30) storage-type electromagnetic launcher (10), the energy expended in propelling a mass (38) through a breech rail gun section at a high velocity is utilized to generate a current (I1) in th...
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| creator | NEUGEBAUER, WENDELL |
| description | To improve the performance and life of a charging current-conducting commutating switch (36) in an inductor (30) storage-type electromagnetic launcher (10), the energy expended in propelling a mass (38) through a breech rail gun section at a high velocity is utilized to generate a current (I1) in the breech section (12) rails (18,20) which flows through the commutating switch in opposition to the inductor charging current (I0). The switch is opened in coordination with the movement of the mass through the launcher, with little or no arcing, when the current therethrough has been depressed to a minimal level to commutate inductor discharging current (I) into the rails (22,24) of a longitudinally aligned launch rail gun section (14) of the launcher to accelerate the mass therethrough to a high exit velocity. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_EP0375310A1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>EP0375310A1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_EP0375310A13</originalsourceid><addsrcrecordid>eNqNzT0KAjEQQOE0FqLeYS4g7BLEWiSLjWBhvwzj7Caw-WEy0eu7hQewes0Hb2vubmFSyRHnxBoIFmyJPAt8gnoIsUh-8wuoiXBSoBxjU9SQZqgrIQ-FZcoSMRHvzWbCpfLh152BwT2vtyOXPHItSLxeRvfo7Plk--7S2z_IFwoHNvs</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Electromagnetic launcher with improved current commutating switch performance</title><source>esp@cenet</source><creator>NEUGEBAUER, WENDELL</creator><creatorcontrib>NEUGEBAUER, WENDELL</creatorcontrib><description>To improve the performance and life of a charging current-conducting commutating switch (36) in an inductor (30) storage-type electromagnetic launcher (10), the energy expended in propelling a mass (38) through a breech rail gun section at a high velocity is utilized to generate a current (I1) in the breech section (12) rails (18,20) which flows through the commutating switch in opposition to the inductor charging current (I0). The switch is opened in coordination with the movement of the mass through the launcher, with little or no arcing, when the current therethrough has been depressed to a minimal level to commutate inductor discharging current (I) into the rails (22,24) of a longitudinally aligned launch rail gun section (14) of the launcher to accelerate the mass therethrough to a high exit velocity.</description><language>eng ; fre ; ger</language><subject>APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS,e.g. CANNONS ; BASIC ELECTRIC ELEMENTS ; BLASTING ; ELECTRIC SWITCHES ; ELECTRICITY ; EMERGENCY PROTECTIVE DEVICES ; HARPOON GUNS ; HEATING ; LAUNCHERS FOR ROCKETS OR TORPEDOES ; LIGHTING ; MECHANICAL ENGINEERING ; RELAYS ; SELECTORS ; WEAPONS ; WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE ORCOMBUSTIBLE PROPELLANT CHARGE ; WEAPONS NOT OTHERWISE PROVIDED FOR</subject><creationdate>1990</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=19900627&DB=EPODOC&CC=EP&NR=0375310A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900627&DB=EPODOC&CC=EP&NR=0375310A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NEUGEBAUER, WENDELL</creatorcontrib><title>Electromagnetic launcher with improved current commutating switch performance</title><description>To improve the performance and life of a charging current-conducting commutating switch (36) in an inductor (30) storage-type electromagnetic launcher (10), the energy expended in propelling a mass (38) through a breech rail gun section at a high velocity is utilized to generate a current (I1) in the breech section (12) rails (18,20) which flows through the commutating switch in opposition to the inductor charging current (I0). The switch is opened in coordination with the movement of the mass through the launcher, with little or no arcing, when the current therethrough has been depressed to a minimal level to commutate inductor discharging current (I) into the rails (22,24) of a longitudinally aligned launch rail gun section (14) of the launcher to accelerate the mass therethrough to a high exit velocity.</description><subject>APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS,e.g. CANNONS</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>BLASTING</subject><subject>ELECTRIC SWITCHES</subject><subject>ELECTRICITY</subject><subject>EMERGENCY PROTECTIVE DEVICES</subject><subject>HARPOON GUNS</subject><subject>HEATING</subject><subject>LAUNCHERS FOR ROCKETS OR TORPEDOES</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>RELAYS</subject><subject>SELECTORS</subject><subject>WEAPONS</subject><subject>WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE ORCOMBUSTIBLE PROPELLANT CHARGE</subject><subject>WEAPONS NOT OTHERWISE PROVIDED FOR</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNzT0KAjEQQOE0FqLeYS4g7BLEWiSLjWBhvwzj7Caw-WEy0eu7hQewes0Hb2vubmFSyRHnxBoIFmyJPAt8gnoIsUh-8wuoiXBSoBxjU9SQZqgrIQ-FZcoSMRHvzWbCpfLh152BwT2vtyOXPHItSLxeRvfo7Plk--7S2z_IFwoHNvs</recordid><startdate>19900627</startdate><enddate>19900627</enddate><creator>NEUGEBAUER, WENDELL</creator><scope>EVB</scope></search><sort><creationdate>19900627</creationdate><title>Electromagnetic launcher with improved current commutating switch performance</title><author>NEUGEBAUER, WENDELL</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0375310A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1990</creationdate><topic>APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS,e.g. CANNONS</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>BLASTING</topic><topic>ELECTRIC SWITCHES</topic><topic>ELECTRICITY</topic><topic>EMERGENCY PROTECTIVE DEVICES</topic><topic>HARPOON GUNS</topic><topic>HEATING</topic><topic>LAUNCHERS FOR ROCKETS OR TORPEDOES</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>RELAYS</topic><topic>SELECTORS</topic><topic>WEAPONS</topic><topic>WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE ORCOMBUSTIBLE PROPELLANT CHARGE</topic><topic>WEAPONS NOT OTHERWISE PROVIDED FOR</topic><toplevel>online_resources</toplevel><creatorcontrib>NEUGEBAUER, WENDELL</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NEUGEBAUER, WENDELL</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Electromagnetic launcher with improved current commutating switch performance</title><date>1990-06-27</date><risdate>1990</risdate><abstract>To improve the performance and life of a charging current-conducting commutating switch (36) in an inductor (30) storage-type electromagnetic launcher (10), the energy expended in propelling a mass (38) through a breech rail gun section at a high velocity is utilized to generate a current (I1) in the breech section (12) rails (18,20) which flows through the commutating switch in opposition to the inductor charging current (I0). The switch is opened in coordination with the movement of the mass through the launcher, with little or no arcing, when the current therethrough has been depressed to a minimal level to commutate inductor discharging current (I) into the rails (22,24) of a longitudinally aligned launch rail gun section (14) of the launcher to accelerate the mass therethrough to a high exit velocity.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS,e.g. CANNONS BASIC ELECTRIC ELEMENTS BLASTING ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES HARPOON GUNS HEATING LAUNCHERS FOR ROCKETS OR TORPEDOES LIGHTING MECHANICAL ENGINEERING RELAYS SELECTORS WEAPONS WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE ORCOMBUSTIBLE PROPELLANT CHARGE WEAPONS NOT OTHERWISE PROVIDED FOR |
| title | Electromagnetic launcher with improved current commutating switch performance |
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