Electric drive vehicle, system and method
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United States of America Patent
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Nov 12, 2013
Grant Date -
Dec 8, 2011
app pub date -
Nov 23, 2010
filing date -
Mar 4, 2010
priority date (Note) -
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Abstract
An electric drive system is provided for use in a vehicle that is operated in environments with stringent emissions and ventilation regulations. In one embodiment, the electric drive system comprises a motor capable of propelling the vehicle and an energy storage device coupled to the motor, and selectively couplable to a catenary line, wherein the catenary line is capable of supplying electrical power to the vehicle and to the energy storage device. Additionally, the vehicle includes a mining device that is operable to be powered by energy from one or more of the catenary line and the energy storage device.
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