ELECTRIC DRIVE VEHICLE, SYSTEM AND METHOD
First Claim
Patent Images
1. An electric drive for a vehicle, comprising:
- 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, andwherein 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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Accused Products
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.
29 Citations
21 Claims
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1. An electric drive for a vehicle, comprising:
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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, and wherein 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. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A mining apparatus, comprising:
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a propulsion system including a motor; an associated device; an energy storage device; and a control system with computer readable instructions for; during a first moving mode, powering the propulsion system using the energy storage device; and during a second functional mode, powering the associated device using energy from an external power source while charging the energy storage device using energy from the external power source. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A method of operating a vehicle including a hermetically sealed energy storage device, a propulsion system, and an associated device, comprising:
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during a first condition, powering the propulsion system with the energy storage device; during a second condition, powering the associated device and recharging the energy storage device using an external power source, the vehicle coupled to the external power source through a catenary line; during a third condition, powering the associated device with the energy storage device; and during a fourth condition, powering the associated device using combined energy from the energy storage device and the external power source, the combined energy greater than the power available from either of the energy storage device or the external power source. - View Dependent Claims (15, 16, 17, 18)
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19. A method of controlling a vehicle including a hermetically sealed energy storage device, a traction motor, and a drill, comprising:
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operating the vehicle through a region of a first, lower gradient while propelling the vehicle using energy from the energy storage device and charging the energy storage device using energy from an external power source; and operating the vehicle through a region of a second, higher gradient while coupling the vehicle to the external power source via a catenary line and propelling the vehicle using energy from the external power source. - View Dependent Claims (20, 21)
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Specification