EP 2021580 A1 20090211 - ROCK DRILLING RIG AND METHOD OF CONTROLLING THEREOF
Title (en)
ROCK DRILLING RIG AND METHOD OF CONTROLLING THEREOF
Title (de)
GESTEINSBOHRMASCHINE UND STEUERVERFAHREN DAFÜR
Title (fr)
INSTALLATION DE FORAGE DE ROCHES ET SON PROCÉDÉ DE COMMANDE
Publication
Application
Priority
- FI 2007050310 W 20070530
- FI 20065369 A 20060601
Abstract (en)
[origin: WO2007138170A1] A method for controlling the operation of a rock drilling rig (1), and a rock drilling rig (1 ), comprising setting the set value (p_FEED<SUB>set</SUB>) of the feeding pressure (p_FEED) of the feeding apparatus (17) on the basis of the difference variable (?p_ROT) between the set value (P_ROTSET) and the current value (P_ROTMEAS) of the rotating pressure (p_ROT) of the rotating apparatus (16), and affecting the difference variable (?p_ROT) between the set value and the current value of the rotating pressure (p_ROT) of the rotating apparatus (16) on the basis of the difference variable (?FLOW) between the set value (FLOWSET) and the current value (FLOW<SUB>MEAS</SUB>) of the volume flow (FLOW) of the flushing medium.
IPC 8 full level
E21B 44/06 (2006.01); E21B 21/08 (2006.01); E21B 44/04 (2006.01)
CPC (source: EP FI)
E21B 7/022 (2013.01 - EP); E21B 21/08 (2013.01 - FI); E21B 44/06 (2013.01 - FI)
Citation (search report)
See references of WO 2007138170A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
WO 2007138170 A1 20071206; EP 2021580 A1 20090211; FI 118778 B 20080314; FI 20065369 A0 20060601; FI 20065369 A 20071202
DOCDB simple family (application)
FI 2007050310 W 20070530; EP 07730797 A 20070530; FI 20065369 A 20060601