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| Number | Title | Issue Date |
| 8188703 | Energy harvesting system An energy harvesting system includes: an energy harvesting unit for converting energy from a natural energy source into an electrical power signal; a power point tracking unit including a current tracing module capable of detecting a current of the electrical power ... | 05/29/2012 |
| 8183818 | Switching time control multiplexer system A system for energizing an energy storage device includes an electric power source, an energy system in communication with the electric power source, and a switching time control multiplexer. The energy storage system includes at least two parallel energy storage de... | 05/22/2012 |
| 8174281 | Method and circuit for tracking maximum power of a photo-voltaic array A method and a circuit for tracking maximum power of a photo-voltaic array performs the operation of load increase/decrease with a preset current difference and determines if the photo-voltaic array operates at zone A or zone B based on change of the output voltage ... | 05/08/2012 |
| 8169182 | Charging system for an electric vehicle A system that produces electrical power for an electric vehicle while in motion, utilizing a roof-mounted ductwork, is herein disclosed. The ductwork tunnel comprises a plurality of fan alternator assemblies which rotate due to an air flow therethrough, thereby prod... | 05/01/2012 |
| 8159178 | AC connected modules with line frequency or voltage variation pattern for energy control A control strategy for distributed power generation modules in a power system that varies the line frequency or voltage according to a predetermined pattern to cause a PV inverter to modify its power output and thereby avoid overcharging a battery. When the power sy... | 04/17/2012 |
| 8154243 | Fuel cell potential measuring apparatus and manufacturing method therefor A fuel cell potential measuring apparatus includes a first sheet member which is arranged on an anode side, and a second sheet member which is arranged on a cathode side. On the first sheet member, an anode potential-applying electrode and an anode potential-measuri... | 04/10/2012 |
| 8154242 | Method of fully charging an electrical energy storage device using a lower voltage fuel cell system A fuel cell system that includes a fuel cell stack and an EESD electrically coupled to a common high voltage bus line. The EESD has a higher voltage output than the fuel cell stack, and thus the stack is unable to fully charge the EESD, for example, at system shut-d... | 04/10/2012 |
| 8143841 | Solar powered charging shelter and system and method thereof A solar powered charging shelter and system and method thereof. The shelter includes a metal standing seam roof and a flush mounted metal frame. The top of the roof has a plurality of solar units that provide power to at least a plurality of retractable electrical o... | 03/27/2012 |
| 8138713 | Electrical energy storage device for solar cell An electrical energy storage device for a solar cell includes at least one electrode substrate coated with a oxide or mixed oxides layer. When the electrical energy storage device is electrically connected with a receive unit of the solar unit in parallel, the elect... | 03/20/2012 |
| 8134332 | Portable solar cell charging device A solar cell charging device includes a base shown as a shell shape, a light-converging lens arranged at a top face of the base, a solar collector correspondingly located under the light-converging lens and a photoelectric converting unit. A plurality of charging tr... | 03/13/2012 |
| 8129937 | Driving device and energy management module A driving device for driving a load and including a secondary cell, a fuel cell, and an energy management module. The energy management module is coupled to the secondary cell and the fuel cell and generates a first current or a second current to the load according ... | 03/06/2012 |
| 8129938 | Multi power supply system for a portable device The present invention discloses a multi power supply system for a portable device, particularly a power supply system having a multi power input interface and a universal serial bus (USB) power output interface and capable of receiving a solar electric power and a g... | 03/06/2012 |
| 8120308 | Solar panel charging system for electric vehicle that charges individual batteries with direct parallel connections to solar panels A connection system is provided to charge a high voltage battery (42) in an electric vehicle with multiple low voltage solar panels (21-n). The connection system includes sets of transmission lines (94) to individually connect each on... | 02/21/2012 |
| 8111034 | Solar-powered charger with heat-dissipating surface A solar-powered charger includes a solar collector configured to generate electrical energy when exposed to light, a connector coupled to the solar collector to provide a pathway for discharging the electrical energy to an external device and a casing comprising a s... | 02/07/2012 |
| 8106623 | Conservation of electrical energy and electro-magnetic power in battery charger with AC drive The present disclosure is an energy-efficient rapid battery charger, using inductive windings rather than transformer to charge a battery. The apparatus operates with an AC power source rectifying a high voltage DC output or AC source transformed to a low DC voltage... | 01/31/2012 |
| 8102144 | Power converter for a solar panel A solar array power generation system includes a solar array electrically connected to a control system. The solar array has a plurality of solar modules, each module having at least one DC/DC converter for converting the raw panel output to an optimized high voltag... | 01/24/2012 |
| 8098040 | Ram air driven turbine generator battery charging system using control of turbine generator torque to extend the range of an electric vehicle A system and method to convert the ram air energy resulting from the movement of an electric vehicle through the air mass into electric energy to recharge the energy storage devices of the vehicle while minimizing the apparatus caused drag effect on the vehicle, the... | 01/17/2012 |
| 8089242 | Electrical management device for vehicle power supply An electrical management device for a vehicle power supply that includes a single converter to minimize the number of components required to simultaneously control two energy sources, such as a photovoltaic source and a thermoelectric source, on board a motor vehicl... | 01/03/2012 |
| 8080971 | Active electrical power flow control system for optimization of power delivery in electric hybrid vehicles A power flow control system including an integrated circuit having a mechanism for determining an amount of energy storage required for power source devices and a mechanism for controlling power flow delivery between the power source devices. A power flow control sy... | 12/20/2011 |
| 8080972 | System and method for storing and releasing energy A power system includes a housing having a base and a handle, a battery; a charge controller, and an inverter. The power system further includes a chimney-like venting system for cooling the power system. The chimney venting system may have at least one opening near... | 12/20/2011 |
| 8063604 | System for associating renewable energy sources and consumers In one embodiment, a system comprises: a renewable energy generator; a renewable energy availability server connected to the renewable energy generator, wherein the renewable energy server is connected to an electric grid and a network, the renewable energy availabi... | 11/22/2011 |
| 8054034 | Battery management system to manage a battery having a plurality of cells and driving method thereof A battery management system and a driving method thereof to manage a battery including a plurality of cells. The battery management system includes a sensing unit, an MCU, and a cell balancing unit. The sensing unit measures cell voltages of the plurality of cells. ... | 11/08/2011 |
| 8040102 | Solar-powered LED street light A solar-powered LED street light that can immediately report its power data. The disclosed LED street light has a solar cell, a switch power supply unit, and a power cable data communicating unit. The mains power cable of the LED street light connects to the switch ... | 10/18/2011 |
| 8035336 | Charger slipcover and handheld device A charger slipcover and a handheld device comprising the charger slipcover are disclosed. The charger slipcover is suitable for charging a handheld device. The charger slipcover comprises a cover including a first portion and a second portion, wherein a handheld dev... | 10/11/2011 |
| 8035337 | Micro grid sensor and actuator apparatus A power hub apparatus and an associated method of formation, and a system. The power hub apparatus includes a central power hub that encompasses M+1 tiers sequenced in a vertical direction (M>1). The central power hub includes a central area to which N radial arms a... | 10/11/2011 |
| 8035335 | Energy harvesting in RFID systems Methods, systems, and apparatuses for providing power to devices that are part of RFID systems are described. Energy is harvested at portable/mobile devices, stored and conditioned to provide on-going power as needed for various circuits/components. The energy may b... | 10/11/2011 |
| 8026692 | Portable electronic device An exemplary portable electronic device includes a main body and a battery therein. The main body has a wind power generating and charging module mounted therein. The wind power generating and charging module includes a wind turbine generator and a control circuit. ... | 09/27/2011 |
| 8022661 | Battery over-discharge protection with dead-bus recovery A battery and photovoltaic based power system comprises a power bus, a battery, a battery circuit, a photovoltaic circuit, a photovoltaic diode, and a switch control. The power bus comprises a supply side and a return side. The battery is coupled to the return side.... | 09/20/2011 |
| 8012638 | Fuel cell system A fuel cell system according to the invention comprises a fuel cell stack, a fuel feeder that supplies the fuel cell stack with fuel, a rechargeable battery that is an electric storage device, a bidirectional DC/DC converter that selectively performs an operation of... | 09/06/2011 |
| 8013566 | Solar powered apparatus A solar powered apparatus that includes a battery, at least one photovoltaic cell (which may be part of a solar module comprising multiple photovoltaic cells), and a DC-capable AC appliance, such as a compact fluorescent light. The solar powered apparatus may also i... | 09/06/2011 |
| 8008887 | Method and device for recharging using portable multi-voltage solar cell A portable solar cell charger and methods of charging electronic devices using the same are disclosed. A portable solar cell charger comprises at least one solar cell plate holding a plurality of solar cells; a film with reformed surface formed on the solar cell pla... | 08/30/2011 |
| 8004233 | Solar powered DC load system The solar powered direct current (DC) load system is a reliable, versatile and user friendly system; it uses solar energy and rechargeable battery powering at least one type of DC load which are: a type of motor operation such as water pump and/or a type of at least... | 08/23/2011 |
| 8004232 | Method of battery charging and power control in conjunction with maximum power point tracking A method of providing power includes providing no power to an output device if the output device cannot or should not use power. If the output device can use power, power is provided to the output device from an input source. If power available at the input source w... | 08/23/2011 |
| 7999504 | Electrical power supply system for a satellite An electrical power supply system for a satellite with continuously controlled DC-voltage is suitable for recharging batteries without requiring any specific charge module. To this purpose, at least one solar generator section, so-called charge section, is connected... | 08/16/2011 |
| 7994751 | Fuel cell power supply device A fuel cell power supply device capable of externally supplying electric power in a stable manner is provided. The fuel cell power supply device includes a fuel cell (1), a capacitor (2) connected in parallel to the fuel cell, a voltage boosting means ... | 08/09/2011 |
| 7986122 | Method and apparatus for power conversion with maximum power point tracking and burst mode capability An apparatus and method for converting a DC input power to a DC output power. The apparatus comprises an energy storage module and a burst mode controller. The burst mode controller causes energy to be stored in the energy storage module during at least one storage ... | 07/26/2011 |
| 7944169 | Solar-panel apparatus for a vehicle The positive and negative pole of the DC-battery 2-1 is allowed to connect the solar panel 2-11 and the solar panel 2-14 when the key position of the ignition switch 2-15 is in positions of “on” and “acc... | 05/17/2011 |
| 7928687 | Charging circuit, method of controlling operation of charging circuit, and power supply unit A charging current for a secondary battery is reduced when the secondary battery voltage gets close to a previously set constant voltage. When the charging current has become less than a charging completion current value as a reference for determining whether the ch... | 04/19/2011 |
| 7923963 | Charging apparatus and terminal apparatus In order to improve the charging efficiency of a charging apparatus including a photovoltaic generator such as a solar battery, a charging apparatus includes: a battery which is rechargeable; a photovoltaic generator generating electric power in response to received... | 04/12/2011 |
| 7923962 | System of wireless electronic registration plates The system of wireless electronic registration plates which is comprehended by the existance of the central wireless module placed within the motor vehicle and connected on to an electric energy source, and the wireless electronic registration plates, that are place... | 04/12/2011 |
