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| Number | Title | Issue Date |
| 8174149 | Auto-switching duplex module A system and method (“utility”) for providing power to an electrically powered device from alternate, redundant power sources via a single power cord. The utility is operable to provide redundant power to an electrical device having a power cord terminating in a... | 05/08/2012 |
| 8164219 | Portable electronic device A portable electronic device includes a main body and a power supply module. The main body includes a main circuit, a power input port, and a housing. The housing defines a receiving space at a side surface thereof. The main circuit is disposed in the housing; the p... | 04/24/2012 |
| 8159087 | Power generation system and operation method thereof The invention provides a power generation system having a power generator (1) configured to generate DC power; an electric power load (5); a current detector configured to detect a current flowing between a system power supply (8) and an interco... | 04/17/2012 |
| 8143743 | Uninterruptible power supply apparatus A method of controlling an uninterruptible power supply apparatus (UPS) is provided. The UPS apparatus includes at least an AC input voltage, a DC input voltage and a single-phase AC/AC converter. The single-phase AC/AC converter includes an AC inductor, a bus capac... | 03/27/2012 |
| 8129860 | Power over network methods and systems Methods and systems for providing electrical power over a network configured to facilitate digital communications are described herein. In different aspects, the methods and systems may include a service provider network module configured to facilitate digital commu... | 03/06/2012 |
| 8125102 | Methods and systems for distributing load transfers in power supply systems A power supply system includes an AC power line with an uninterruptible power supply (UPS) device coupled to receive power from the AC power line. The UPS includes control circuitry that couples power conversion circuitry of the UPS to the AC power line when the ava... | 02/28/2012 |
| 8110946 | Uninterruptible power supply An uninterruptible power supply with an input terminal and an output terminal, a main switch connected to the input terminal, an input filter circuit connected to the main switch, a rectifier circuit connected to the input filter circuit, a main capacitor connected ... | 02/07/2012 |
| 8097980 | Distributed solar power plant and a method of its connection to the existing power grid A method and apparatus is provided for using a renewable source of energy such as solar, wind or geothermal energy. The method includes generating electric energy from a renewable form of energy at a plurality of locations at which reside an electric power line asso... | 01/17/2012 |
| 8093755 | Uninterruptible power supply with wireless communication of detected data A power supply system includes a power supply device, a switch device, a detecting device and a wireless operating terminal. The power supply device is connected to an electric appliance via the switch device to supply electric power to the electric appliance. The d... | 01/10/2012 |
| 8084886 | Uninterruptible power supply apparatus An uninterruptible power supply device connects a battery for power-outage backup to the output side of an AC/DC converter. An input monitoring circuit monitors alternating current input of the AC/DC converter and outputs an alternating current input monitor signal ... | 12/27/2011 |
| 8076798 | Uninterruptible A/C power supply transfer unit A power transfer device (20) is used to transfer an energy consuming device (10) from one A/C power supply (12) to a different A/C power supply (16) without material interruption of the device's operation. In some embodiments, power trans... | 12/13/2011 |
| 8063510 | Charging control apparatus and method for controlling the same A charge control apparatus operable in a first power mode or a second power mode having power consumption less than that of the first power mode, the charge control apparatus includes a main power supply, an auxiliary power supply, a charging unit, a time count unit... | 11/22/2011 |
| 8063511 | System and method for liquid air production, power storage and power release Systems and methods for storing and releasing energy comprising directing inlet air into a vertical cold flue assembly, a portion of moisture being removed from the air within the cold flue assembly. The air is directed out of the cold flue assembly and compressed. ... | 11/22/2011 |
| 8058749 | System and method for transferring power between an aircraft power system and energy storage devices A method for transferring power in an aircraft between an energy storage device and a power system. The method includes determining an amount of power required by the power system, determining a predetermined amount of power from a generator, comparing the power req... | 11/15/2011 |
| 8053926 | Methods and systems for managing facility power and cooling A method and corresponding apparatus provide a determination of available power capacity of a phase of a power supply in a data center rack. The method includes metering the power of a power supply and calculating an average peak power draw per phase of the power su... | 11/08/2011 |
| 8053927 | Method and apparatus for providing uninterruptible power Methods and apparatus for providing uninterruptible power are provided by aspects of the invention. One aspect is more particularly directed to an uninterruptible power supply for providing power to a load. The uninterruptible power supply includes an input to recei... | 11/08/2011 |
| 8049365 | Power device and power device power supply method A power device of the present invention makes a plurality of DC/DC converters redundant, and supplies power individually to a plurality of disk drives. Each first DC/DC converter is respectively made correspondent to a subgroup. One first DC/DC converter is connecte... | 11/01/2011 |
| 8049364 | Back-up power system A substantially uninterruptible backup power system to provide power to common household appliances comprises a rechargeable battery, a trickle-charging circuit to keep the battery fully charged at all times from the receptacle power, a DC to AC inverter to supply s... | 11/01/2011 |
| 8044535 | Backup power system A power backup processor and a method of operating the power backup processor suitable for a single-phase AC power supply and with a higher efficiency, at least when the critical load is fed with the single-phase AC power supply, while having a high availability and... | 10/25/2011 |
| 8039989 | Apparatus, system, and method for a low cost multiple output redundant power supply An apparatus, system, and method are disclosed for a low cost multiple output redundant power supply. Disclosed is a power supply that includes a primary stage for regulating voltage on an internal bus. The power supply includes a first regulator stage and a second ... | 10/18/2011 |
| 8034494 | Fuel cell systems with maintenance hydration by displacement of primary power Fuel cell systems and methods that perform maintenance hydration by supplying power to satisfy at least part of an applied load from an energy-consuming assembly while a primary power source is in electrical communication with and available to supply power to the en... | 10/11/2011 |
| 8030800 | Integrated power sources for mobile electronic devices A mobile electronic device comprises at least one electronic component, at least one mobile power source, and at least one integrated power source. The at least one mobile power source is operable to supply power to the at least one electronic component. The at leas... | 10/04/2011 |
| 8030799 | Combination switch and circuit breaker A combination switch and circuit breaker is operative as both a switch and circuit breaker when connecting a load to an auxiliary power supply, but is only operative as a switch when connecting the load to a main power supply. The combination switch and circuit brea... | 10/04/2011 |
| 8022571 | Power management circuitry and solar cells This is directed to methods, systems, and apparatuses for implementing circuitry that can be used to control multiple solar cells to generate power for a portable electronic device. For example, in response to determining that one or more of the solar cells is gener... | 09/20/2011 |
| 8013471 | Apparatus and method for managing a backup power supply for an aircraft cockpit voice recorder Charge on a storage capacitor in a backup power supply is managed by discharging the capacitor into an aircraft recorder that is to be powered when a primary power source fails. During the discharging, a first amount of energy discharged from the capacitor is measur... | 09/06/2011 |
| 8008806 | Metering pump power source A power supply system includes an energy generator and an energy storage system, each electrically connected to a power bus. The power bus provides electrical power to a load. The energy generator includes a wind turbine and a solar panel. The energy storage system ... | 08/30/2011 |
| 8004115 | Automatic transfer switch module An automatic transfer switch for automatically switching an electrical load between two power sources that includes a switch module containing circuitry for facilitating the switching function, and having two attached input cables and one attached output receptacle.... | 08/23/2011 |
| 8004114 | Two-stage power supply system A two-stage power supply system includes a standby power circuit, a main power circuit, a driver and, a rectifier. Moreover, the standby power circuit is used to convert a utility AC (Alternating Current; AC) into a standby AC. The main power circuit is used to conv... | 08/23/2011 |
| 7986058 | Method for operating a device with redundant power supply units and a power supply apparatus with redundant power supply units A method for the alternating operation of power supply units for a device which has at least two power supply units is disclosed. An alternating operation of the at least two power supply units is supplied by a switchover between the two power supply units if the tw... | 07/26/2011 |
| 7982338 | Continuous power supply control system and method A control system and method of controlling an uninterruptible power supply (UPS) system prevents a load anomaly, such as transformer DC offset, resulting from a supply disruption, such as a voltage sag, by modifying the UPS supplied power curve. The UPS supplied pow... | 07/19/2011 |
| 7977819 | Power converter and controller using such power converter for electric rolling stock Provided is a power converter having an inverter (13) wherein capacitors (12) are connected in parallel on a direct current side, and a power supply circuit configured to supply the inverter with a direct current from a power supply (1) and a po... | 07/12/2011 |
| 7960862 | Method and system for high-reliability power switching A method for high-reliability power switching may comprise: (a) transferring possession of a token to first control logic controlling a first triode for alternating current (TRIAC), the TRIAC operably coupled to a first power source; (b) applying a voltage to a gate... | 06/14/2011 |
| 7952232 | Wind turbine energy storage and frequency control Commands are generated for controlling a state of charge of an energy storage device coupled between an energy source and an auxiliary load. Commands are also generated for providing from the energy storage device to the auxiliary load and for using power from the e... | 05/31/2011 |
| 7948117 | Transfer switch controller employing active inductive load control and transfer switch including the same A transfer switch controller is for a transfer switch, which cooperates with a plurality of loads including an air conditioner. The transfer switch controller includes a first input structured to input a thermostat start request signal for the air conditioner, a sec... | 05/24/2011 |
| 7936091 | Energy supply system and method related thereto An energy supply system adapted for supplying energy to equipment on a high voltage platform. The system includes a fuel cell and an effectuating capacitor. The system also includes an intermediate storage and supply unit. This unit stores energy from the fuel cell ... | 05/03/2011 |
| 7932635 | Transfer switch system with neutral current management An electrical power transfer system for selectively connecting a load to a first power source or a second power source includes a first switch having an input selectively connected to the first power source and an output connected to the load. A second switch includ... | 04/26/2011 |
| 7923863 | System for line powering A system for line powering includes at least one office-end PSU, one standby PSU and one power switching unit. The office-end PSU provides power for a group of subscriber lines in a centralized manner. The power switching unit monitors the power supply status of the... | 04/12/2011 |
| 7911083 | Methods and systems for distributing load transfers in power supply systems A power supply system includes an AC power line with an uninterruptible power supply (UPS) device coupled to receive power from the AC power line. The UPS includes control circuitry that couples power conversion circuitry of the UPS to the AC power line when the ava... | 03/22/2011 |
| 7898108 | Smart power switch for broadband communications network A power switching module provides power to a line amplifier in a broadband telecommunications network. The switch includes a first input port for connection to a first power source, a second input port for connection to a second power source, an input/output port fo... | 03/01/2011 |
| 7893560 | Low power isolation design for a multiple sourced power bus A redundant power supply connected to a common load is provided. Each power supply is connected to the common load through a series of MOSFET pairs. Each MOSFET in a MOSFET pair is individually controlled to reduce power consumption as well as the need for heat sink... | 02/22/2011 |
