The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 25, 2015
Filed:
May. 24, 2011
Jukka Osara, Tampere, FI;
Juha Piipponen, Tampere, FI;
Jarno Kuittinen, Tampere, FI;
Timo Niemi, Tampere, FI;
Jukka Osara, Tampere, FI;
Juha Piipponen, Tampere, FI;
Jarno Kuittinen, Tampere, FI;
Timo Niemi, Tampere, FI;
SANDVIK MINING AND CONSTRUCTION OY, Tampere, FI;
Abstract
The invention relates to a rock drilling rig, a method for controlling the temperature of its drive equipment, and a liquid cooling system. The rock drilling rig includes combustion-engine-free drive equipment, which includes electric components for affecting transfer drive. The rock drilling rig is also provided with a liquid cooling system, to which one or more electric components affecting the transfer drive are connected to be cooled by the system. The cooling of the components is controlled by a control unit according to a strategy set therein. The cooling system may additionally be precooled before the transfer drive.