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| Number | Title | Issue Date |
| 7966944 | Linear synchronous motor railroad train driven power generating system A power generating system includes a railroad track configured to define a looped track; a series of railroad cars riding on and extending substantially the full length of the looped track forming a train loop; a drive gear mounted to the train loop and having a gea... | 06/28/2011 |
| 7891302 | System and method for providing head end power for use in passenger train sets A head end power system carried on a locomotive for a passenger train set that captures and stores excess electrical energy generated during dynamic braking of the locomotive. This excess electrical energy is converted to head end power for use on attached passenger... | 02/22/2011 |
| 7854203 | Electrical energy capture system with circuitry for blocking flow of undesirable electrical currents therein An electrical energy capture system, as may be carried on a hybrid energy, electro-motive, self-powered traction vehicle, is provided. The system may be used for storing electrical power generated on the vehicle and for discharging the stored electrical power for us... | 12/21/2010 |
| 7669534 | Hybrid energy off highway vehicle propulsion circuit A system and method for retrofitting a propulsion circuit of an existing Off Highway Vehicle to enable the propulsion circuit to operate as a hybrid energy Off Highway Vehicle propulsion circuit. The hybrid propulsion circuit includes a primary power source, and a t... | 03/02/2010 |
| 7571683 | Electrical energy capture system with circuitry for blocking flow of undesirable electrical currents therein An electrical energy capture system, as may be carried on a hybrid energy, electro-motive, self-powered traction vehicle, is provided. The system may be used for storing electrical power generated on the vehicle and for discharging the stored electrical power for us... | 08/11/2009 |
| 7448328 | Hybrid energy off highway vehicle electric power storage system and method A computerized system for use in connection with a hybrid energy off highway vehicle system of a off highway vehicle. The hybrid energy off highway vehicle system includes an off highway vehicle, a primary power source, and an off highway vehicle traction motor prop... | 11/11/2008 |
| 7430967 | Multimode hybrid energy railway vehicle system and method A hybrid energy railway vehicle system having a traction motor with a dynamic braking mode of operation for dynamically braking the traction motor and for generating dynamic braking electrical energy and an electrical energy storage system that is in electrical comm... | 10/07/2008 |
| 7402982 | Energy storage type feeder voltage compensation apparatus and method of controlling feeder voltage An energy saving type feeder voltage compensation apparatus improved in availability at low temperatures, wherein when a secondary battery is lower in temperature than a predetermined value, an output voltage output to a feeder side is made equal to or higher than a... | 07/22/2008 |
| 7332881 | AC drive system for electrically operated vehicle A drive system for an electric vehicle includes a motor for providing a drive torque and an electrically actuated brake for providing a braking torque to the motor. The system includes a controller that receives a plurality of inputs which may include a battery volt... | 02/19/2008 |
| 7325498 | Hybrid energy off highway vehicle propulsion circuit A system and method for retrofitting a propulsion circuit of an existing Off Highway Vehicle to enable the propulsion circuit to operate as a hybrid energy Off Highway Vehicle propulsion circuit. The hybrid propulsion circuit includes a primary power source, and a t... | 02/05/2008 |
| 7315144 | AC drive apparatus, vehicle control apparatus, and power conversion method and vehicle control method A motor is driven with variable frequency AC power converted from DC power, and an AC output power from the motor is converted to DC. In the conversion, an electromotive force regenerated by the motor is consumed by a plurality of resistors. When the consumption of ... | 01/01/2008 |
| 7256513 | Locomotive auxiliary power system A locomotive auxiliary power system and control techniques for such a system are provided. In one exemplary embodiment the auxiliary power system includes an auxiliary alternator coupled to the internal combustion engine of the locomotive. The system further include... | 08/14/2007 |
| 7237492 | Railway car drive system A railway car drive system comprising a first railway car mounting a power generator, a power converter, a driving motor and a power storage; a second railway car mounting a power converter, a driving motor and a power storage; and a power transmission connecting ea... | 07/03/2007 |
| 7233079 | Renewable energy electric power generating system A renewable electric power system includes a high temperature superconducting wind turbine using high temperature superconducting yttrium-barium-copper oxide for the rotor and stator windings as well as a superconducting bearing. Power from the turbine is stored in ... | 06/19/2007 |
| 7231877 | Multimode hybrid energy railway vehicle system and method A hybrid energy railway vehicle system having a traction motor with a dynamic braking mode of operation for dynamically braking the traction motor and for generating dynamic braking electrical energy and an electrical energy storage system that is in electrical comm... | 06/19/2007 |
| 7227273 | High frequency bus method Certain exemplary embodiments can include a system comprising an electric drive system for a machine. The system can include a rectifier adapted to convert AC power from an alternator to DC power. The system can include an inverter adapted to receive DC power from t... | 06/05/2007 |
| 7191710 | Electrical power storage and delivery using magnetic levitation technology One or more magnetic levitation vehicles are provided to transport a storage mass over a magnetic levitation guideway extending between an elevated upper end and a lower end at a lower elevation, and including a plurality of magnetic propulsion windings. Movement of... | 03/20/2007 |
| 7190133 | Energy storage system and method for hybrid propulsion A hybrid propulsion system. The system comprises one or more hybrid propulsion traction drives having an electric motor operable to produce mechanical power for propulsion. A hybrid propulsion traction drive is operable to receive power from an on-board power genera... | 03/13/2007 |
| 7185591 | Hybrid energy off highway vehicle propulsion circuit A system and method for retrofitting a propulsion circuit of an existing Off Highway Vehicle to enable the propulsion circuit to operate as a hybrid energy Off Highway Vehicle propulsion circuit. The hybrid propulsion circuit includes a primary power source, and a t... | 03/06/2007 |
| 7177732 | Automatic coupling of locomotive to railcars An automatic coupling system (10) for a locomotive (11). The automatic coupling system includes a means for detecting a coupling contact and for controlling locomotive systems such as throttle and brakes in response to such contact. The means for detec... | 02/13/2007 |
| 7137344 | Hybrid energy off highway vehicle load control system and method A system and method for managing electrical power generated by an engine for use in connection with operating a hybrid energy off highway vehicle load control system. A load control circuit determines a current operating condition of the Off Highway Vehicle, and det... | 11/21/2006 |
| 7126529 | Method and system for selective control of charging a power source The invention concerns a method (200) and system (100) for selective control of charging a power source (122). The method can include the steps of charging (212) the power source of an electronic device (136) in which the electroni... | 10/24/2006 |
| 7124691 | Method for monitoring and controlling locomotives The present invention is directed to a locomotive comprising energy storage units, such as batteries, a prime energy source, such as a diesel engine, and an energy conversion device, such as a generator. The locomotive comprises one or more of the following features... | 10/24/2006 |
| 7096098 | Traction chain for a series hybrid vehicle Traction chain for a series hybrid vehicle comprising an engine (10) which drives an alternator (11), an electric traction motor (21), a inverter which enables the electric traction motor to be operated at a torque set value CCset, an... | 08/22/2006 |
| 7069123 | Adaptive algorithm for locating network devices in an ECP brake-equipped train A method of locating nodes in train having at least one node per car and includes enabling each node; querying each enabled node to respond during a response interval; disabling each node which responded; and re-querying the enabled nodes until no further responses ... | 06/27/2006 |
| 7061131 | Method and system for optimizing energy storage in hybrid off-highway vehicle systems and trolley connected OHV systems A hybrid energy system for propelling an off-highway vehicle includes an engine rated at a first power capacity, and a power converter driven by the engine for providing primary electric power. A traction motor system receives the primary electric power, the tractio... | 06/13/2006 |
| 7059841 | Structure of an oil-free compressor on a vehicle An arrangement of an oil-free compressor apparatus on a rail vehicle for supplying compressed air to pneumatic units assigned to the rail vehicle. The arrangement includes an oil-free compressor and a cooler unit connected with the compressor. The arrangement also i... | 06/13/2006 |
| 7026783 | Drive system A drive system includes a central power supply with a line-commutated converter and a DC/DC converter connected downstream of the line-commutated converter, and a plurality of inverters, each inverter having an output connected a load, for example a motor, and a DC ... | 04/11/2006 |
| 7012392 | Multi-stage dynamic braking resistor network A multi-stage dynamic braking resistor network (23) is provided that includes a plurality of dynamic brake resistors (1a–d) for dissipating, as heat, regenerative energy inputted onto a system bus (17) by a motor or actuator (19)... | 03/14/2006 |
| 6990906 | Electrical power storage and delivery using magnetic levitation technology One or more magnetic levitation vehicles are provided to transport a storage mass over a magnetic levitation guideway extending between an elevated upper end and a lower end at a lower elevation, and including a plurality of magnetic propulsion windings. Movement of... | 01/31/2006 |
| 6980894 | Method of managing interference during delay recovery on a train system The present invention provides methods for preventing low train voltages and managing interference, thereby improving the efficiency, reliability, and passenger comfort associated with commuter trains. An algorithm implementing neural network technology is used to p... | 12/27/2005 |
| 6973880 | Hybrid energy off highway vehicle electric power storage system and method An electrical energy capture system for use in connection with a hybrid energy off highway vehicle system of a off highway vehicle. The hybrid energy off highway vehicle system includes an off highway vehicle, a primary power source, and an off highway vehicle tract... | 12/13/2005 |
| 6933622 | Diesel-electric locomotive and traction grouping composed of at least two diesel-electric locomotives A diesel-electric locomotive includes an assembly including a diesel engine and a generator, a drive unit and a control device, connectable to control devices of other locomotives. Further, a traction grouping includes at least two such diesel-electric locomotives, ... | 08/23/2005 |
| 6591758 | Hybrid energy locomotive electrical power storage system A hybrid energy locomotive system having an energy storage and regeneration system. In one form, the system can be retrofitted into existing locomotives, or installed as original equipment. The energy storage and regeneration system captures dynamic braki... | 07/15/2003 |
| 6557476 | System for supplying power to electrically propelled vehicles A power supply system for an electrically propelled vehicle equipped with electric traction motors and including an autonomous power supply system which can be recharged on board the vehicle for supplying power to the electric traction motors. At least on... | 05/06/2003 |
| 6267062 | AC drive industrial switching locomotive The two axle locomotive of this invention includes a diesel engine directly coupled to a generator for generating power to a single electrical traction motor. Preferably, the drive motor is an AC traction motor which drives both axles of the locomotive us... | 07/31/2001 |
| 5915306 | Generator mounting assembly A mounting assembly secures a generator and facilitates attachment to a railroad railcar on the end of the railcar axle. The generator produces electricity from the axle of a railroad railcar while it is traveling on a railroad track. A generator is mount... | 06/29/1999 |
| 5845583 | Dual-mode transporation system and power unit The invention comprises a replaceable power unit and transportation system for a dual-mode vehicle, such as an electric car which can operate on built-in batteries and by way of power supplied by a running rail. The vehicle moreover comprises road wheels ... | 12/08/1998 |
| 5735215 | Rail-borne motive power unit The invention relates to a rail-borne power unit for conveying passengers. The unit has at least one coach section formed by a coach body with at least one passenger compartment for passengers and with a driver's cab at one or both ends. The coach body is... | 04/07/1998 |
| 5647562 | Electro-pneumatic brake power management system A power management system for an electrified train wherein the voltage of the batteries on the individual cars is provided to the locomotive which determines which cars can charge their batteries with the power from the locomotive based on the available p... | 07/15/1997 |
