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6847188 |
Fuel cell stack monitoring and system control
A control method for monitoring a fuel cell stack in a fuel cell system in which the actual voltage and actual current from the fuel cell stack are monitored. A preestablished relationship between...
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6841970 |
Dual-use generator and shock absorber assistant system
A system for converting axle vibration into electricity having an electromechanical transducer switchable between an electrical generator mode that can charge a battery, or simultaneously or...
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6819079 |
Apparatus for prolonging rechargeable battery life and power in a wireless communicating hand-held system
An apparatus for prolonging rechargeable battery life and power in a wireless communicating hand-held system provides a possibility to enhance a power saving of the power supply in the wireless...
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6806678 |
Battery charger
A battery charger for use with a battery, and which is provided with a first charging current to substantially maintain the electrical charge of the battery is described and which includes a...
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6803742 |
Solar rechargeable battery
A solar rechargeable battery. A storage battery is contained in a case, on which is disposed a solar cell that electrically communicates with, and charges, the storage battery. In two embodiments,...
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6800802 |
Circuit device for solar energy application
A circuit device for solar energy application includes a solar panel as power supply and a rechargeable cell pack for receiving the power transferred from the solar panel. The circuit device uses a...
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6794844 |
Method and system for fuel cell control
A control system ( 20 ) for controlling the state of charge in an energy storage device ( 28 ) by manipulating the voltage of a fuel cell ( 24 ) through dynamic system modeling of predetermined...
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6781343 |
Hybrid power supply device
In a hybrid power supply device constituted such that a secondary battery ( 4 ) is charged by a fuel battery ( 3 ) and electric power is supplied from the secondary battery ( 4 ) to a load ( 1 ),...
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6774299 |
Solar electric alternating current generator
A device consisting of solar photovoltaic cells, a solar activated dc motor, contact brushes and wiring to transfer the electric current to the applied load. The cells are mounted on vanes attached...
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6771041 |
Cell voltage measuring device for fuel cell
A cell voltage measuring device for a fuel cell includes a terminal member to be connected to a separator of the fuel cell, the terminal member including a first end and a second end, and a voltage...
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6765363 |
Micro power supply with integrated charging capability
An integrated micro power supply is disclosed. In an exemplary embodiment, the micro power supply includes a microbattery formed within a substrate and an energy gathering device for capturing...
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6762582 |
System and method to power an electric-powered device using light energy
A system for and method of powering an electric-powered device associated with a vehicle is described that utilizes an adapter that receives current from an energy-converting cell and the vehicle...
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6744236 |
Energy regulation system for an electrical power supply bus
The present invention relates to an electrical energy regulator system for a power supply bus, the system including: an electrical energy storage unit, a solar generator having a plurality of...
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6737829 |
Portable electronic device charger and a method for using the same
A portable electronic device charger and a method for using the same are provided. In one embodiment, the charger includes a pendulum mounted to a housing and oscillating in response to movement of...
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6737573 |
Backup power supply apparatus
A backup power supply apparatus. The apparatus includes a light absorbing device which consists of at least one light absorbing element. The light absorbing elements are pivotally engaged with each...
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6674264 |
Cell voltage detector for fuel cell
A cell voltage detector for fuel cell comprising terminals adapted to be brought into abutment with output terminals of separators for a stack, a voltage detecting unit for detecting the cell...
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6674263 |
Control system for a renewable energy system
A renewable energy (RE) system is disclosed which comprises an energy source providing unit, a DC bus, a buck converter, an hydrogen generator, an hydrogen storage, an energy conversion device, a...
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6670787 |
Solar battery module with cover member and method of fabricating the same
A solar battery module has a plurality of solar battery cells linearly arranged and electrically connected together to form a cell unit and more than one cell unit are arranged laterally side by...
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6650085 |
Modular solar battery charger
A portable modular solar battery charger of the lap top style is disclosed. The module includes two body members hingedly interconnected with each body member having a solar panel attached thereto....
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6646413 |
Fuel cell system and method for operating the fuel cell system
A fuel cell system includes a fuel cell unit having an anode side and a cathode side, anode-side feeding and outflow lines for the supply of fuel and removal of anode-side exhaust, and cathode-side...
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6642691 |
Autonomous interactive solar energy production system
An autonomous interactive solar energy production system including a base secured to a floor, a parallelepiped body that swivels on the base including a tilting face fitted with a filed of...
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6641946 |
Fuel dissipater for pressurized fuel cell generators
An apparatus and method are disclosed for eliminating the chemical energy of fuel remaining in a pressurized fuel cell generator ( 10 ) when the electrical power output of the fuel cell generator...
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6628120 |
Voltage measuring circuit and voltage supply circuit of an integrated fuel cell system
In a voltage measuring circuit for a composite fuel cell system, the potential of at least one point of the composite fuel cell system is detected by tapping the potential of such point, and...
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6624609 |
Solar powered monitor
A solar powered monitor is powered by a photovoltaic solar module. The monitor measures the electrical output from the solar module and records the length of each interval of time during which the...
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6624350 |
Solar power management system
A solar power management system includes a plurality of photovoltaic cell panels, and a solar power cell manager coupled to the photovoltaic cell panels. The solar power cell manager includes an...
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6617831 |
Electrical power supply converter
The present invention relates to a converter comprising at least one converter module presenting at least one electricity feed terminal coupled to an electricity generator and to an electricity...
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6612246 |
Hybrid energy locomotive system and method
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...
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6608464 |
Integrated power source layered with thin film rechargeable batteries, charger, and charge-control
A self-contained, small, lightweight, portable, renewable, modular integrated power source. The power source consists of a recharging means such as solar cells that are laminated onto a...
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6590370 |
Switching DC-DC power converter and battery charger for use with direct oxidation fuel cell power source
This invention presents a method and apparatus for controlling the operating point, i.e. the output voltage or current, of a fuel cell to a desired value, efficiently transferring the available...
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6590363 |
Charging station
A wind power generator is enclosed at the center of a duct. The duct comprises an upper and lower duct panels having solar panel. The distance between the upper and lower duct panels is the...
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6586906 |
Solar rechargeable battery
A rechargeable battery having a photovoltaic device and battery charging circuitry integral therewith. A rechargeable battery such as, for example, a Lithium battery, includes a current regulating...
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6583522 |
Switchable multiple source power supply
In a readily switchable multiple solar panel system, the individual solar panels are interconnected with a control or switching apparatus which allows the solar panels to be readily switched into...
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6573682 |
Fuel cell system multiple stage voltage control method and apparatus
A fuel cell system determines each of a battery charging current error, a battery voltage error, and a stack current error. The fuel cell system regulates current through a series pass element in...
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6570362 |
Portable electronic device with enhanced battery life and cooling
Battery life and cooling are improved in an electronic device. A thermoelectric module and phase change material module are placed near a heat source in an electronic device. The thermoelectric...
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6563289 |
Solar cell arrangements
In a solar cell arrangement, a generally rectangular solar cell has mutually orthogonal sides in plan view and a third oblique side to them which adjoins them. A protection diode is located in the...
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6559620 |
System and method for remote monitoring utilizing a rechargeable battery
A method and a system for remotely monitoring a person includes a portable unit including a self-recharging battery, the portable unit being adapted to monitor a biological parameter and a physical...
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6558829 |
Appliance with refuelable and rechargeable metal-air fuel cell battery power supply unit integrated therein
A device/system having an integrated refuelable and rechargable metal-air FCB based power supply unit for generating and providing electrical power to at least one electrical-energy-consuming load...
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6555989 |
Efficient load-following power generating system
A power generating system which comprises a fuel cell and a rechargeable storage battery coupled together via a DC-DC converter. A reactant for the fuel cell is obtained by processing a suitable...
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6531844 |
Power source with evaporative emission recovery
A purge control system for an electric vehicle including a fuel tank, a purge canister coupled to the fuel tank, an internal combustion engine coupled to the purge canister, a microgenerator...
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6525507 |
Solar system for a motor vehicle
A solar system for a motor vehicle has a solar generator and an energy storage for supplying power to at least one power consuming device, the solar generator being intended for charging of the...
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6509713 |
Radiant system in accumulators and resultant product
A radiant system in accumulators and a resultant product objectifying optimization of energy's generation, storage and use, allowing the reduction of costs through ultra-fast recharges, using...
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6509712 |
Voltage bus regulation circuit
A regulating circuit that is coupled to a bus voltage and bus voltage return includes a solar array and a bus voltage limiting circuit electrically coupling the bus to the solar array. A battery is...
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6504340 |
Hands-free kit for mobile phones using solar cell
Disclosed herein is a hands-free kit for mobile phones using a solar cell. The hands-free kit has a solar cell, a charging unit, and a power switch. The solar cell is formed to be integrated with...
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6504339 |
Technique and apparatus to control the charging of a battery using a fuel cell
A technique that is usable with a fuel cell stack includes providing a fuel flow and using at least some of the fuel flow to produce power with the fuel cell stack. A request is received to charge...
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6476311 |
Portable multiple power supply comprising solar cell
The present invention relates to a type of portable emergency power supply for use when storage batteries of mobile appliances such as cellular telephones, radios, camcorders, laptops and mini...
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6462507 |
Apparatus and method for initial charging, self-starting, and operation of a power supply with an intermittent and/or variable energy source and a rechargeable energy storage device
A power supply for supplying energy to a load includes an energy supply source for generating energy, an energy storage device that is charged from the energy generated by the energy supply source,...
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6459232 |
Spacecraft power system
A spacecraft power system utilizing a novel method for recharging batteries utilizing the ambient space plasma and at least two separate surface materials having different material properties is...
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6459231 |
Power device
The present invention relates generally to a new power device. More specifically, it creates hydrogen from supplied water and electricity. The hydrogen is then used in combination with air in an...
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6448740 |
System and method to charge electric-powered vehicle using light energy
A system for and method of charging a battery of an electric-powered vehicle is disclosed. The system utilizes a light-transforming cell that can transform light energy to current. The cell is...
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6448739 |
Sanitary installation
A sanitary installation ( 1 ) has a sanitary fitting ( 2 ) with an electrically actuable device, in particular a solenoid valve. Furthermore, it comprises a rechargeable battery ( 3 ) fed by a...
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