Method and apparatus for automatic gas control for a plasma arc torch
A method and apparatus for controlling a gas supply to a plasma arc torch uses a proportional control solenoid valve positioned adjacent the torch to manipulate the gas flow to the torch, thereby extending electrode life during arc transfer and shutdown. Swirl ring design can be simplified and gas s...
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| creator | LIEBOLD STEPHEN M KAMATH GIRISH R BEST GUY T LINDSAY JON W BRANDT AARON D DUAN ZHENG PASSAGE CHRISTOPHER S SELMER SHANE M |
| description | A method and apparatus for controlling a gas supply to a plasma arc torch uses a proportional control solenoid valve positioned adjacent the torch to manipulate the gas flow to the torch, thereby extending electrode life during arc transfer and shutdown. Swirl ring design can be simplified and gas supply and distribution systems become less complicated. The invention also allows manipulation of shield gas flow to reduce divot formation when making interior cuts. The system can be controlled with a digital signal processor utilizing a feedback loop from a sensor. |
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Swirl ring design can be simplified and gas supply and distribution systems become less complicated. The invention also allows manipulation of shield gas flow to reduce divot formation when making interior cuts. The system can be controlled with a digital signal processor utilizing a feedback loop from a sensor.</description><language>eng</language><subject>CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; PLASMA TECHNIQUE ; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS ; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS ; SOLDERING OR UNSOLDERING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>2013</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=20130924&DB=EPODOC&CC=US&NR=8541710B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130924&DB=EPODOC&CC=US&NR=8541710B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIEBOLD STEPHEN M</creatorcontrib><creatorcontrib>KAMATH GIRISH R</creatorcontrib><creatorcontrib>BEST GUY T</creatorcontrib><creatorcontrib>LINDSAY JON W</creatorcontrib><creatorcontrib>BRANDT AARON D</creatorcontrib><creatorcontrib>DUAN ZHENG</creatorcontrib><creatorcontrib>PASSAGE CHRISTOPHER S</creatorcontrib><creatorcontrib>SELMER SHANE M</creatorcontrib><title>Method and apparatus for automatic gas control for a plasma arc torch</title><description>A method and apparatus for controlling a gas supply to a plasma arc torch uses a proportional control solenoid valve positioned adjacent the torch to manipulate the gas flow to the torch, thereby extending electrode life during arc transfer and shutdown. Swirl ring design can be simplified and gas supply and distribution systems become less complicated. The invention also allows manipulation of shield gas flow to reduce divot formation when making interior cuts. The system can be controlled with a digital signal processor utilizing a feedback loop from a sensor.</description><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>MACHINE TOOLS</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>PERFORMING OPERATIONS</subject><subject>PLASMA TECHNIQUE</subject><subject>PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS</subject><subject>PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>TRANSPORTING</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHD1TS3JyE9RSMwD4oKCxKLEktJihbT8IoXE0pL83MSSzGSF9MRiheT8vJKi_ByIjEJBTmJxbqJCYlGyQkl-UXIGDwNrWmJOcSovlOZmUHBzDXH20E0tyI9PLS5ITE7NSy2JDw22MDUxNDc0cDIyJkIJAGGLMn0</recordid><startdate>20130924</startdate><enddate>20130924</enddate><creator>LIEBOLD STEPHEN M</creator><creator>KAMATH GIRISH R</creator><creator>BEST GUY T</creator><creator>LINDSAY JON W</creator><creator>BRANDT AARON D</creator><creator>DUAN ZHENG</creator><creator>PASSAGE CHRISTOPHER S</creator><creator>SELMER SHANE M</creator><scope>EVB</scope></search><sort><creationdate>20130924</creationdate><title>Method and apparatus for automatic gas control for a plasma arc torch</title><author>LIEBOLD STEPHEN M ; KAMATH GIRISH R ; BEST GUY T ; LINDSAY JON W ; BRANDT AARON D ; DUAN ZHENG ; PASSAGE CHRISTOPHER S ; SELMER SHANE M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US8541710B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2013</creationdate><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>MACHINE TOOLS</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>PERFORMING OPERATIONS</topic><topic>PLASMA TECHNIQUE</topic><topic>PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS</topic><topic>PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>TRANSPORTING</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>LIEBOLD STEPHEN M</creatorcontrib><creatorcontrib>KAMATH GIRISH R</creatorcontrib><creatorcontrib>BEST GUY T</creatorcontrib><creatorcontrib>LINDSAY JON W</creatorcontrib><creatorcontrib>BRANDT AARON D</creatorcontrib><creatorcontrib>DUAN ZHENG</creatorcontrib><creatorcontrib>PASSAGE CHRISTOPHER S</creatorcontrib><creatorcontrib>SELMER SHANE M</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LIEBOLD STEPHEN M</au><au>KAMATH GIRISH R</au><au>BEST GUY T</au><au>LINDSAY JON W</au><au>BRANDT AARON D</au><au>DUAN ZHENG</au><au>PASSAGE CHRISTOPHER S</au><au>SELMER SHANE M</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method and apparatus for automatic gas control for a plasma arc torch</title><date>2013-09-24</date><risdate>2013</risdate><abstract>A method and apparatus for controlling a gas supply to a plasma arc torch uses a proportional control solenoid valve positioned adjacent the torch to manipulate the gas flow to the torch, thereby extending electrode life during arc transfer and shutdown. Swirl ring design can be simplified and gas supply and distribution systems become less complicated. The invention also allows manipulation of shield gas flow to reduce divot formation when making interior cuts. The system can be controlled with a digital signal processor utilizing a feedback loop from a sensor.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PLASMA TECHNIQUE PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | Method and apparatus for automatic gas control for a plasma arc torch |
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