|
Match
|
Document |
Document Title |
|
|
6177737 |
Vehicle electrical power back-up circuit and method
A vehicle electrical back-up circuit and method. Vehicle electrical devices normally receive the power required for their operation from a vehicle electrical system at a first voltage. An auxiliary...
|
|
|
6177738 |
Isolated electrical system including asynchronous machine with prime mover and inverter/rectifier
An electrical system for use in isolation, the electrical system comprising a main engine (14), such as a gas turbine or a diesel engine, a generator (13) driven by the main engine (14) for...
|
|
|
6175166 |
System for mitigating voltage disturbances and interruptions for power distribution applications
A low cost voltage disturbance mitigation system is capable of providing continuous power to a load despite short interruptions or sag disturbances of the utility power. The interruption and sag...
|
|
|
6175311 |
On-line UPS controllable from far end
An ON-LINE uninterrupted power supply (UPS) of this invention serving as a long term high quality power supply for web, telecommunication, security system, etc is characterized in detecting a ring...
|
|
|
6172432 |
Automatic transfer switch
An automatic transfer switch apparatus for use with a stand-alone generator, for supplying emergency power to a residence or small business. The automatic transfer switch apparatus is configured to...
|
|
|
6169340 |
Electrical junction box for auxiliary power
An electrical junction box or plug connector for auxiliary power, which enables a quick and easy connection of an auxiliary power source, such as a generator, to a single hard wired appliance, such...
|
|
|
6169390 |
Flywheel-microturbine system
A power supply system for providing long and short term backup power to a load comprises a microturbine system, a flywheel system, and a power electronics module. The microturbine system includes a...
|
|
|
6166456 |
High-speed disconnector using semiconductor technology
The invention specifies a disconnector for decoupling a load from a supplying AC voltage network. The disconnector comprises at least one disconnector stage having a series circuit comprising at...
|
|
|
6163088 |
Method and apparatus for providing standby power from a generator using capacitor supplied voltage
A method and apparatus for providing standby power from a generator. The method and apparatus includes determining a power failure condition of a primary power source, disconnecting the primary...
|
|
|
6163087 |
Power supplying system with a delayed closing device for delayed closing of a heat-dissipating fan
A power supplying system includes a switching control circuit connected to a stand-by power source so as to receive electrical power therefrom. The switching control circuit is further connected to...
|
|
|
6163449 |
Transfer switch with optional power inlet and meter panel
A power transfer device adapted for interconnection with the electrical system of a building includes a cabinet, a set of switches mounted to the cabinet, and a first set of wires for connecting...
|
|
|
6153950 |
Power supply device for electronic equipment
A power supply device for an electronic equipment is able to execute an accurate discrimination even when a battery, whose characteristics are different, is attached to the electronic equipment. A...
|
|
|
6153947 |
Dual feed hot swap battery plant controller for power supplies
The dual feed hot swap battery plant controller for power supplies provides true isolation between buses, both power and return, and enables the use of a single power converter, which may be...
|
|
|
6153946 |
Method and apparatus for providing redundant power by connecting power supplies into a segment or ring
A method and apparatus provide redundant power by connecting power supplies in a segment or ring. In a first embodiment, a redundant power supply is provided at the "top" of a redundant power...
|
|
|
6150736 |
Redundant electrical power source, distribution and consumption system
A system for distributing continuous, uninterrupted power to one or more critical, interdependent electrically powered devices comprising at least one power source; and at least first and second...
|
|
|
6137191 |
Source-transfer switching system and method
A control arrangement and method is provided for source-transfer switching systems including a high-speed control arrangement and high-speed switches to control the transfer of a load from one...
|
|
|
6133716 |
High-efficiency high-power uninterrupted power system
An uninterrupted power supply (UPS) system provides power to an electrical load when utility line power fails. When the utility line power is normal a synchronous dynamo serves as a motor, and a...
|
|
|
6133651 |
Outage management emergency power supply device
A compact, low-cost outage management emergency power supply device with a simple constitution is provided by connecting an auxiliary capacitor and charging battery to a DC link portion. In one...
|
|
|
6126141 |
Irrigation system valve controller expansion apparatus
An irrigation system valve controller which provides for alternating operation of two conductive output paths from a single energizing input source. The valve controller allows adding new valves to...
|
|
|
6121694 |
Back-up power supply serving to compensate temporarily for main power supply deficiency
The invention concerns a back-up power supply of the type serving to compensate temporarily for an absence of a DC input voltage (Ve) from a main power supply (15) by delivering a voltage that is...
|
|
|
6121695 |
Modular power supply
A modular power supply (2) suitable for application as an uninterruptable power supply for use with electrical equipment such as computers. A module (6) of the power supply may include a battery...
|
|
|
6107778 |
Line-replaceable battery disconnect module and method of manufacture thereof
Battery backed-up power units, and battery disconnect modules and methods of manufacturing the same. One of the battery disconnect modules includes: (1) a contactor having a body, a control input...
|
|
|
6107698 |
Power supply circuit for electric devices
When the power key on the remote controller 12 is pressed, the electromagnetic wave is sent from the remote controller 12 to the main unit 100 of the electric device and the switch circuit 23 or 43...
|
|
|
6108217 |
Backup power circuit
A backup power circuit provides reserve power to a terminal device in the event of loss of power from the main power source. In the terminal device, the main power source is connected to a power...
|
|
|
6104104 |
Uninterruptible power supply apparatus
An uninterruptible power supply apparatus includes a storage battery for providing a DC voltage, a switch for switching from an AC power source for providing an AC voltage to the storage battery,...
|
|
|
6104103 |
Simultaneous power supply source
A power transfer system for applying backup electrical power to electrical systems is described which applies backup power automatically without power interruption and which is straightforward to...
|
|
|
6105138 |
Method and apparatus for controlling electric source in information processing system
A technique allowing a terminal device located in a remote place to protect data existing on an information processing system and then control an electric source of the information processing...
|
|
|
6104102 |
Multi-quality electric power supply apparatus
A multi-quality electric power supply apparatus supplies electric power based on the demand of various loads. The multi-quality electric power supply apparatus includes an inverter having a...
|
|
|
6100604 |
Method and apparatus for converting a manual transfer switch into an automatic transfer switch
An installed manual transfer switch is converted into an automatic transfer switch. A conversion assembly is mechanically mounted directly onto the already installed manual transfer switch. A...
|
|
|
6100607 |
Safety method and device for full-voltage power supply to a user apparatus only when required, and control assembly comprising such a safety device
A method of detecting a condition requiring connection of a user apparatus with a feeder line comprises the steps of low-voltage power supplying the user apparatus through a detection impedance...
|
|
|
6094363 |
Uninterruptible power supply with AC sine wave output and energy recycle function
An uninterruptible power supply with sine wave AC output and energy recycle function is disclosed. The uninterruptible power supply makes use of a DC/DC converter to boost and convert the DC...
|
|
|
6078109 |
Power supply system for an electric/electronic apparatus
A power supply system for an electric/electronic apparatus, such as a notebook computer and an expansion unit, which can be separated into a plurality of subunits or combined into one unit. When a...
|
|
|
6079026 |
Uninterruptible memory backup power supply system using threshold value of energy in the backup batteries for control of switching from AC to DC output
A backup power system includes continuously powered memory (CPM) backup functionality integrated with uninterruptible power supply (UPS) backup functionality, for use with a computer system....
|
|
|
6072249 |
Power source device
A power source device in which, even in case of mistaken connection of a source power supplying cable, the supply of source power can be halted before destruction of an electronic equipment or of...
|
|
|
6066937 |
Quick start unit
A quick start unit for charging dead batteries and starting vehicles. The quick start unit includes a small portable base platform with a handle to pull, push, or maneuver. The base platform is...
|
|
|
6067482 |
Load shifting control system for commercial refrigeration
A load shifting control system for selectively allocating a plurality of discrete electrical loads between a first power source and a second power source includes a plurality of transfer switches...
|
|
|
6064125 |
Uninterruptible power supply unit
An uninterruptible power supply unit for coupling between an adapter with an adapter connector and an electronic device in accordance with one embodiment of the present invention includes a...
|
|
|
6060789 |
Power supply switching circuit for portable equipment
|
|
|
6051893 |
Electric power supply system for load
A fast changeover from one power system to another in the event of an irregularity in the power source system substantially reduces operating costs by minimizing a power loss in switches during...
|
|
|
6049178 |
Circuit for controlling operation of an emergency exit lamp
In a circuit for controlling operation of an emergency exit lamp, a delay circuit enables a trigger circuit a preset time period after a power outage has occurred. Once enabled, the trigger circuit...
|
|
|
6040982 |
Electronic system implementing redundant and nonredundant power supply configurations
An electronic system includes a chassis with attachment features which may interchangeably accept and secure a connector assembly and paralleling board assembly. The connector assembly may be used...
|
|
|
6041414 |
Uninterruptible power supply apparatus which supplies guaranteed power to electronic apparatuses in a system
A plurality of output terminals from which the power from an uninterruptible power supply apparatus is supplied. A timing holding unit holds timing information of power supply start and/or stop of...
|
|
|
6034444 |
Power supply system
A power supply system includes a plurality of power supply devices which are mounted in a mount region and a control [means] unit (namely, a central processing unit), The control [means] unit is...
|
|
|
6035261 |
Fault reporting in a redundant power converter
Aspects for reporting faults in a redundant power converter are described. An exemplary method aspect includes monitoring at least one node within the redundant power converter. The method further...
|
|
|
6034443 |
Method and device for supplying electrical energy, and apparatus provided with such a device
A method and device for supplying electrical energy to an electrical load using a set of chargeable and dischargeable direct current sources is provided. In a first step, all the direct current...
|
|
|
6031298 |
2N redundant power system and method using cross-coupled AC power transfer
A 2N redundant power system and method is disclosed that uses cross-coupled AC power transfer. Two cross-coupled AC Transfer switches always connect power converting hardware to an active AC source...
|
|
|
6016017 |
System for providing an uninterrupted supply voltage and method
A system (200) comprises a regulator (250), a battery unit (220), a voltage sensitive circuit (210, e.g., memory circuit) and a switchable sensor (280). The battery unit (220), the memory circuit...
|
|
|
6011323 |
Apparatus, method and article of manufacture providing for auxiliary battery conservation in adapters
An apparatus, method and article of manufacture are disclosed which provides for auxiliary battery conservation in adapters requiring auxiliary batteries. A power controller selects from one of two...
|
|
|
6011324 |
Arrangement for ensuring uninterrupted current supply to an electrical consumer
An arrangement is disclosed for ensuring an uninterrupted current supply to at least one electrical consumer which draws energy from an alternating voltage network and is supplied with energy in...
|
|
|
5994793 |
Uninterruptible power supply with plurality of inverters
A uninterruptible power system in which separate inverters are connected to separate d.c. power sources established by independent power supplies, a.c., d.c. or both, and have their a.c. outputs...
|