METHOD OF CONTROLLING ROCK DRILLING
A method of controlling rock drilling performed by a rock drill provided with a pressure-driven hammer and a rotation motor. In the method, the speed of rotation of the drill rod is defined on the basis of the value of the control signal used to control the control valve that adjusts the flow of the...
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| creator | POEYSTI, TAPANI |
| description | A method of controlling rock drilling performed by a rock drill provided with a pressure-driven hammer and a rotation motor. In the method, the speed of rotation of the drill rod is defined on the basis of the value of the control signal used to control the control valve that adjusts the flow of the pressure fluid to the rotation motor.
L'invention concerne un procédé de commande de forage de roche mis en oeuvre par un organe de forage équipé d'un marteau actionné par pression et d'un moteur de rotation. Selon ce procédé, la vitesse de rotation de la tige de forage est définie en fonction de la valeur du signal de commande utilisé pour commander la soupape de commande qui régule le débit du fluide à pression par rapport au moteur de rotation. |
| format | Patent |
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L'invention concerne un procédé de commande de forage de roche mis en oeuvre par un organe de forage équipé d'un marteau actionné par pression et d'un moteur de rotation. Selon ce procédé, la vitesse de rotation de la tige de forage est définie en fonction de la valeur du signal de commande utilisé pour commander la soupape de commande qui régule le débit du fluide à pression par rapport au moteur de rotation.</description><edition>6</edition><language>eng ; fre</language><subject>EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><creationdate>1998</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=19981217&DB=EPODOC&CC=WO&NR=9857033A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19981217&DB=EPODOC&CC=WO&NR=9857033A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>POEYSTI, TAPANI</creatorcontrib><title>METHOD OF CONTROLLING ROCK DRILLING</title><description>A method of controlling rock drilling performed by a rock drill provided with a pressure-driven hammer and a rotation motor. In the method, the speed of rotation of the drill rod is defined on the basis of the value of the control signal used to control the control valve that adjusts the flow of the pressure fluid to the rotation motor.
L'invention concerne un procédé de commande de forage de roche mis en oeuvre par un organe de forage équipé d'un marteau actionné par pression et d'un moteur de rotation. Selon ce procédé, la vitesse de rotation de la tige de forage est définie en fonction de la valeur du signal de commande utilisé pour commander la soupape de commande qui régule le débit du fluide à pression par rapport au moteur de rotation.</description><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1998</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFD2dQ3x8HdR8HdTcPb3Cwny9_Hx9HNXCPJ39lZwCfIE83gYWNMSc4pTeaE0N4OCm2uIs4duakF-fGpxQWJyal5qSXy4v6WFqbmBsbGjoTERSgAbUCJ_</recordid><startdate>19981217</startdate><enddate>19981217</enddate><creator>POEYSTI, TAPANI</creator><scope>EVB</scope></search><sort><creationdate>19981217</creationdate><title>METHOD OF CONTROLLING ROCK DRILLING</title><author>POEYSTI, TAPANI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO9857033A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>1998</creationdate><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><toplevel>online_resources</toplevel><creatorcontrib>POEYSTI, TAPANI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>POEYSTI, TAPANI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD OF CONTROLLING ROCK DRILLING</title><date>1998-12-17</date><risdate>1998</risdate><abstract>A method of controlling rock drilling performed by a rock drill provided with a pressure-driven hammer and a rotation motor. In the method, the speed of rotation of the drill rod is defined on the basis of the value of the control signal used to control the control valve that adjusts the flow of the pressure fluid to the rotation motor.
L'invention concerne un procédé de commande de forage de roche mis en oeuvre par un organe de forage équipé d'un marteau actionné par pression et d'un moteur de rotation. Selon ce procédé, la vitesse de rotation de la tige de forage est définie en fonction de la valeur du signal de commande utilisé pour commander la soupape de commande qui régule le débit du fluide à pression par rapport au moteur de rotation.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre |
| recordid | cdi_epo_espacenet_WO9857033A1 |
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| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
| title | METHOD OF CONTROLLING ROCK DRILLING |
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