Rock drilling rig, method for controlling the temperature of its drive equipment, and liquid cooling system
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United States of America Patent
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Aug 25, 2015
Grant Date -
Mar 7, 2013
app pub date -
May 24, 2011
filing date -
May 25, 2010
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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.
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