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7602085 Coal energy utilization system having superconducting power transmission  
A system for utilizing coal energy includes a thermal power generator near a coal field area that converts coal energy of the coal field area located remotely from a demand end to electric energy....
7586216 Redundant electrical brake and protection system for electric generators  
An apparatus for electric braking and system protection for an electric generator includes a dynamic brake and a crowbar circuit designed for cooperation with power converters to dump power upon...
7566992 Method and apparatus for operation of a power station  
A power station comprises a power-consuming shaft run on which a motor and a compressor are arranged, as well as a power-emitting shaft run on which a generator and an expansion machine are...
7547994 Apparatus and method for managing power of mobile terminal  
An apparatus for managing power of a mobile terminal includes: a first voltage regulating unit that changes the level of power from an external power source to a first level; a second voltage...
7535133 Methods and apparatus for resistance compression networks  
A resistance compression network substantially decreases the variation in effective resistance seen by a tuned rf inverter as loading conditions change. Circuits can include resistance compression...
7532490 Converter topology and methods for interfacing an electrical machine to electrical power grid  
A power converter for coupling an electrical machine to an electrical grid includes a machine side converter and a grid side converter, each, side having a plurality of corresponding stages for...
7514823 Spacecraft regulation unit with decentralized bus capacitance  
A Spacecraft Regulation Unit SRU or Power Conditioning Unit PCU with decentralized capacitance comprising several power conversion modules each coupled, via interconnection means, to a high-level...
7485983 Vehicle power supply system  
In a vehicle power supply system including a battery, an inverter unit for converting DC electric power of the battery into AC electric power and supplying it to a rotating electric machine to...
7453171 DC power source determination circuitry for use with an adapter  
An adapter device includes a DC/DC adapter to receive DC power from a DC power source, and output a regulated DC voltage (V out ). A source determination circuitry receives the DC power from the DC...
7453170 Universal energy supply system  
A universal energy supply system for at least one electrical consumer comprises at least one AC voltage source and a cable connection connecting the source with the electrical consumer, wherein an...
7411772 Casimir effect conversion  
Techniques in which a 1 st force, field, or effect caused by a Casimir effect is converted into a 2 nd force, field, or effect. The 1 st force, field, or effect might be distinct from the 2 nd ...
7397653 Inverter design  
An inverter component layout and mounting bracket are disclosed which allow for electrical components, or the inverter as a whole to be replaced easily in the field. The disclosed mounting bracket...
7385805 Method and apparatus for delivering uninterrupted power  
An uninterruptible power supply that provides power to an electrical device, the uninterruptible power supply that includes a first housing; a cover plate that includes a plurality of electrical...
7385315 Frequency converter for an immersion vibrator  
The invention relates to a frequency converter for an immersion vibrator, comprising a mobile converter housing, and a converter circuit disposed in said converter housing and adapted to convert an...
7379286 Quantum vacuum energy extraction  
A system is disclosed for converting energy from the electromagnetic quantum vacuum available at any point in the universe to usable energy in the form of heat, electricity, mechanical energy or...
7365455 Energy harvesting for wireless sensor operation and data transmission  
A device for powering a load from an ambient source of energy is provided. The device includes an energy harvesting device for harvesting energy from the ambient source of energy wherein the rate...
7317896 Mobile wireless router  
A mobile communication system for wireless communications includes a power adapter configured to receive input power from a power source and to adapt the input power to an output power, the output...
7317265 Method and apparatus for power management  
A system in accordance with the invention includes a power converter for converting a thermally generated voltage where the power converter includes a low-voltage direct current to direct current...
7295062 Pulse modulated power converter  
A pulse modulation power converter comprising a forward path including a forward block ( 15 ), a switching stage ( 11 ) for amplifying an output from the forward block, and an output filter ( 12 )...
7266962 Battery supplemented refrigerator and method for using same  
A refrigerator contains a battery pack for providing a DC current to drive a refrigeration system and alternatively is connectable to an AC power source for driving the refrigeration system from...
7247956 Performance test board  
Performance Test Board for connecting at least one device under test (DUT) to a test system which has internal power supply sources (IPS) wherein said Performance Test Board (PTB) comprises at...
7247955 PWM power supplies using controlled feedback timing and methods of operating same  
A closed loop power converter circuit of a UPS or other power supply includes a pulse width modulator circuit in a forward path of the closed loop power circuit. A compensation circuit provides...
7242115 Universal power converter  
A universal power converter comprises a body and a circuit module. The circuit module includes a power converter circuit; the power converter circuit being a power supply and charging circuit of a...
7166937 Power supply, and associated method, exhibiting selectable electrical characteristics  
Apparatus, and an associated method, for a power converter that provides operative power to a load device. The characteristics of the operative power are selectable, permitting the power supply to...
7105954 Sensor interface cable  
An interface cable for providing a connection between an AC power source and a DC sensor. The interface cable includes a shroud portion containing a power convertor for converting power from an AC...
7081693 Energy harvesting for wireless sensor operation and data transmission  
A device for powering a load from an ambient source of energy is provided. The device includes an energy harvesting device for harvesting energy from the ambient source of energy wherein the rate...
7002266 Active DC output control and method for DC/DC converter  
A control loop system is provided that employs an active DC output control circuit that more accurately calibrates the desire voltage at a load, e.g. 3.3 volts, by adjusting a trim pin on a DC/DC...
6998735 Controlled rectifier bridge, control system, and method for controlling rectifier bridge by disabling gate control signals  
A controlled rectifier bridge includes a plurality of segments each having an element responsive to a control signal, and an output having a voltage, a first current and a second current. Sensors...
6995483 Synchronous buck and boost regulator power reduction circuit using high side sensing  
A synchronous DC-DC regulator, adapted to receive a high side pulsed signal and a low side pulsed signal that is substantially the inverse of the high side pulsed signal. The regulator includes an...
6946753 Switching power converter controller with watchdog timer  
Switching power converter controller providing control of plurality of switching power converters which provide power to a host microprocessor. A watchdog timer included in the switching power...
6940189 System and method for integrating a digital core with a switch mode power supply  
A digital core embodied within a semiconductor die that requires plural separate power supply voltage domains is situated within any of a variety of integrated circuit packaging technologies....
6936936 Multifunctional charger system and method  
An adapter for providing a source of power to a mobile device through an industry standard port is provided. In accordance with one aspect of the invention, the adapter comprises a plug unit, a...
6920032 Method for energy extraction—II  
In some embodiments, the illustrative method defines an engine cycle comprising several state changes that allow for a net gain of energy from an underlying source force field. The potential for a...
6900557 High power modulator  
A compact transformer coupled modulator is described. The modulator includes a transformer comprising a primary and a plurality of secondary windings, where each secondary winding has an output...
6842326 Apparatus for energy extraction-I  
In some embodiments, the illustrative method defines an engine cycle comprising several state changes that allow for a net gain of energy from an underlying source force field. The potential for a...
6777829 Rectifier utilizing a grounded antenna  
A rectifier generates a rectified output and a dc power output. The rectifier has an antenna element, a tuning capacitor, a coupling capacitor, first and second rectifying diodes, and a storage...
6713898 Internal reactor thyristor stack  
A configuration of a thyristor stack is provided. The stack includes thyristors, electrically conductive bars, and reactors that are mounted around the electrically conductive. Heat sinks may be...
6696772 Synchronous rectification  
A direct-current converter converts an input voltage into an output voltage. It has and which comprises an operating voltage source, a power transformer having a primary side and secondary side, an...
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...
6665167 Method for energy extraction-I  
In some embodiments, the illustrative method defines an engine cycle comprising several state changes that allow for a net gain of energy from an underlying source force field. The potential for a...
6596941 A.C. electrical power delivery system for a pickup truck bed utility box  
An a.c. electrical power delivery system for installation into a utility box attached to the bed of a pickup truck. This system delivers a.c. electrical power for operating light-duty equipment...
6501194 Energy recovery snubber circuit for bidirectional power converter and method of operation thereof  
An energy recovery snubber circuit for a bidirectional power converter, a method of operation thereof and a power plant employing the bidirectional power converter. The bidirectional power...
6477028 Method and apparatus for energy extraction  
In some embodiments, the illustrative method defines an engine cycle comprising several state changes that allow for a net gain of energy from an underlying source force field. The potential for a...
6376764 Solar cell battery replacement unit  
A solar panel is operably connected to a power capacitor and associated circuitry which includes at least one diode for ensuring correct current flow direction. The power capacitor is inside a...
6205017 Switchgear assembly with front accessible slide-in fixed power switch  
Power switches are fix mounted in a switchgear cabinet by providing terminal sections on power conductors at the rear face of the switch housing which extend vertically beyond the housing. The...
6163089 Railway locomotive ECP train line control  
An interface adaptor is provided between the locomotive MU cable and the ECP trainline permitting ECP data from the lead locomotive to be transmitted via the MU cable on trailing locomotives to a...
6091611 Connectors adapted for controlling a small form factor power supply  
The subject matter disclosed herein relates to mechanisms for programming power supply circuitry for providing an appropriate current or voltage to powering portable devices or recharge batteries....
5949641 Mounting arrangement for neutral bus in switchgear assembly  
The neutral cross bus in a switchgear assembly formed from two sets of side-by-side cabinets includes first and second neutral buses for the respective sets of cabinets. Each neutral bus is made up...
5940282 Dual range power supply and adapter for use with same  
A dual range power supply 200 is operable with either an AC line input, or a DC input. To facilitate use with an AC input the power supply is provided with a pair of AC prongs, connected to a...
5736796 Printed circuit board having split voltage planes  
The present invention is a printed circuit board having conductive layers split into electrically isolated voltage supply plane regions each plane region being connectable to an external supply...
Matches 1 - 50 out of 140 1 2 3 >