About 12 results
https://drivepatents.com/patents/941141 · 29 Jun 2016
The invention relates to a mining vehicle and to a method for an energy supply of the mining vehicle. The mining vehicle comprises at least one mining work device, at least one AC electric motor for powering the at least one mining work device, and an auxi...
https://drivepatents.com/patents/941074 · 29 Jun 2016
The invention relates to a mining vehicle and to a method for energy supply of a mining vehicle. The mining vehicle comprises at least one mining work device, at least one three phase AC electric motor for powering the at least mining work device, a three ...
https://drivepatents.com/patents/942358 · 1 Jun 2016
The invention relates to a battery cooling system (100) of an electric mining machine, which comprises fluid lines (2) arranged to communicate with a battery (10) to be cooled for transferring heat energy from said battery (10) to coolant within said fluid...
https://drivepatents.com/patents/943318 · 11 May 2016
There is provided a charging station, and a mining machine comprising a battery for storing electrical energy, a refrigerant circuit for circulating a refrigerant via the battery, and a connection for connecting the refrigerant circuit to a refrigerant cir...
https://drivepatents.com/patents/956223 · 28 Oct 2015
The invention relates to an anti-slip method for an electric loader, which loader intended for the handling of a rock material is equipped with a power supply cable for supplying electric power from an electric power network, such as an electric power netw...
https://drivepatents.com/patents/951353 · 8 Apr 2015
The invention relates to a mining vehicle and a method for energy supply of a mining vehicle. The mining vehicle has a carriage, driving equipment for moving the carriage, and at least one mining work device. The mining vehicle further has an electric moto...
https://drivepatents.com/patents/966375 · 10 Dec 2014
The invention relates to a mining vehicle (1) and to a method for its energy supply. The mining vehicle (1) has a carriage (3), driving equipment (4) for moving the carriage (3) and at least one mining work device (2). The mining vehicle (1) has a connecti...
https://drivepatents.com/patents/966376 · 10 Dec 2014
The invention relates to a rock drilling machine and a method of lubricating a shank of the rock drilling machine. The rock drilling machine (4) comprises a rotatable shank (6) for connecting a drilling tool (7). The shank is rotated by a rotating sleeve (...
https://drivepatents.com/patents/973988 · 4 Jun 2014
The invention relates to a method for controlling the supply of electric power to an electric mining unit intended for the processing of rock material, in which method, by means of a three-phase electric power network (2) provided in the mining unit and a ...
https://drivepatents.com/patents/977458 · 12 Mar 2014
The invention relates to a mining vehicle and to a method of operating a mining vehicle. The mining vehicle comprises a three or more phase electric drive motor. A nominal power of the drive motor is determined on the basis of a certain drive speed and loa...