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US20090046408 SURGE ARRESTER WITH A CAGE DESIGN, AND A PRODUCTION METHOD FOR IT  
The invention relates to a surge arrester having a cage design, and to a method for its production. According to the invention, during extrusion-coating or encapsulation of a module comprising two...
US20150109709 SHIELDING ASSEMBLY  
An electrical field shielding assembly comprises at least one electrically conductive, shielding element (12) that is hingably mounted on the electrical field shielding assembly, wherein the or...
US20140175877 Building Power Management System  
A building power management system employs a power manager and a plurality of load circuits (e.g., outlet circuits, appliances, equipment, etc.). In operation, the power manager senses (directly...
US20150204311 CFRP RESISTIVE SHEET HEATING  
The invention relates to a rotor blade of a wind power installation comprising a heating device for heating the rotor blade, arranged in the rotor blade in the area of its rotor blade surface,...
US20060279895 Lightning arrestor  
A lightning arrestor is obtained, which is excellent in pressure relief performance and can be reduced in manufacturing cost while securing bending strength necessary for a lightning arrestor. A...
US20150109710 CABLE BREAKOUT ASSEMBLY  
A telecommunications system uses a breakout device to connect a primary power cable to different secondary power cables that connect to different remote radio units (RRUs). For example, the...
US20080043394 Receptacle energized state indicator and circuit breaker trip apparatus  
A receptacle energized state indicator and circuit breaker trip apparatus is provided for testing a standard 120 volts AC electrical receptacle for the presence of electrical power and remotely...
US20060056126 Weather-resistant surge protector plug  
The specification discloses a weather-resistant surge protector plug for protecting an outdoor electrical device connected on its load side from spurious or excessive transient voltages or surges...
US20070002511 Meter-base surge protector  
A meter-base surge protector adapted to be connected between multiple incoming power lines and a neutral line at a meter comprises first and second metal oxide varistors, which are each...
US20050083628 Close tolerance surge suppression circuit  
A surge suppression circuit having a plurality of energy dissipating elements such as metal oxide varistors wherein all of the varistors have a nominal voltage within less than approximately ±5%...
US20140340805 TRANSFORMER MODULE  
A transformer module comprises a protection module, a transformer, a network IC module, and a body. The body has a containing space for encapsulating the protection module, the transformer and the...
US20100020460 Surge protector with spatial variation  
A surge protector with spatial variation includes a housing, a body, a lifting means, and an operating means. The housing has an opening and an accommodating space. The opening and the...
US20070097584 High current surge panel with diagnostics  
A transient voltage surge suppressor (TVSS) device, suitable for commercial/industrial applications, incorporates diagnostic circuitry. The TVSS provides seven modes of protection for three phases...
US20120154971 Programmable Lightning Detector  
A system and method for protecting devices and equipment from lightning strikes is disclosed. The protection device provides real-time monitoring of local atmospheric conditions to protect...
US20120106018 SPARK GAP FOR HIGH-SPEED CABLE CONNECTORS  
Circuits, methods, and apparatus that may provide low-capacitance protection from electrostatic discharges. One example protects a circuit in a cable connector that is connected to cable connector...
US20130293999 PROTECTION CIRCUIT FOR ELECTRONIC APPARATUS  
A protection circuit includes a relay, a reset switch, a voltage conversion circuit, and a rectifier circuit. The voltage conversion circuit is connected to an AC power supply via the reset...
US20060232906 Surge detector/counter  
A combination surge detector/counter device that detects and counts various surge conditions that occur during a specified time interval. The device includes a surge detector circuit which...
US20070035905 Power delay device  
The concept of the Power Delay Device began as I was working at my computer. There was a power failure lasting several minutes and when the power tried to come back on, it was erratic. After...
US20100091423 ELECTRICAL ENERGY SAVING SYSTEM  
A system for conditioning the three-phase alternating current electric power, including a first phase, a second phase, a third phase, and a neutral line, supplied to a load includes a plurality of...
US20050063126 Surge cancel apparatus  
A surge cancel apparatus. The surge cancel apparatus may include a pair of first input terminals, and various arrangements and numbers of common mode surge cancellers and normal mode surge...
US20110222201 THREE-PHASE AC POWER CONTROLLER  
A three-phase AC power controller has three strands, each having an input and an output. Five pairs of valves are connected antiparallel for rotating field reversal. The first input is connected...
US20080062606 SURGE PROTECTION DEVICE FOR COAXIAL CABLE WITH DIAGNOSTIC CAPABILITIES  
A surge protection circuit utilizing direct current (DC) voltage on the information carrying coaxial cable of a receiving device with a surge protection device to suppress transient signal...
US20070201177 Surge protection device disconnector  
A number of surge protection device disconnector designs provide protection to a load over a full range of fault currents provide adequate surge protection as well. The designs quench arcs that...
US20070159758 Protective circuit for thunderbolt abrupt waves  
A protective circuit for thunderbolt abrupt waves includes an excessive current protector and an abrupt absorber. The excessive current protector is a single or plural strand metal lend, The...
US20070097583 Tuned Coil Coaxial Surge Suppressor  
An in-line surge suppressor insert and surge suppressor assembly having a body with a coaxial connection at a first and a second connector end. A surge suppressor insert mount is formed in the...
US20070253135 Universal AC or DC Aircraft Device Power Supply Having Power Factor Correction  
An aircraft device power supply is capable of connecting to either an AC or a DC power bus provided on an aircraft. When connected to an aircraft's AC power bus, an AC power signal is...
US20080204962 Surge absorber  
A surge absorber comprises a ceramic transistor and several electrical conductors. The ceramic transistor comprises a main body and two electrode layers coated respectively on both lateral...
US20060098373 Intelligent transient blocking unit  
A TBU system that includes a TBU combined with control and monitoring features. For example, in one embodiment, TBU elements are combined with a status indication switch or indicator. In another...
US20070086141 Surge receptacle apparatus and power system including the same  
A power system includes a circuit interrupter providing ground fault protection for a power circuit, and a surge receptacle powered through the circuit interrupter. The surge receptacle includes a...
US20120320643 SNUBBER CIRCUIT AND INVERTER WITH THE SAME  
An inverter may include an inversion unit for converting a direct current bus voltage into an alternating current voltage, a first snubber unit, and a second snubber unit. The inversion unit may...
US20050105235 Surge protector  
A power strip having multiple receptacles contains a replaceable surge protection module removably attached to the device body. On one preferred embodiment, an ON/OFF switch is provided for easy...
US20130033795 LIGHTNING PROOF DEVICE FOR FILTER  
A lightning proof device for filter has a lightning proof device provided between a signal source input end and a filtering system of the filter. The lightning proof device has a first and a...
US20070279825 FLAME ARRESTER INSERT AND PROCESS FOR ITS PRODUCTION  
In a flame arrester insert comprising two metal strips (1, 2) wound together, of which a first metal strip (1) is a smooth strip and the second metal strip (2) is a grooved strip having defined...
US20060018073 Active protection against transients  
A circuit is provided for protecting double-layer capacitors in applications that are subject to transients. Predetermined thresholds can be set to protect the double-layer capacitors from the...
US20060120005 Transient voltage surge suppression systems  
A surge-suppression system utilizing a hybrid design comprised of metal oxide varistors, silicon avalanche diodes, a fuse element, filter capacitor and multiple surge planes and surge paths to...
US20070035906 Transient blocking unit  
Improved electrical transient blocking is provided with a transient blocking unit (TBU) having a partial disconnect capability. A TBU is an arrangement of voltage controlled switches that normally...
US20090284888 DC AND RF PASS BROADBAND SURGE SUPPRESSOR  
A surge protection circuit to reduce capacitance inherent of standard diode packaging and to improve voltage clamping reaction speeds under high surge conditions. The surge protection circuit has...
US20080117556 SUPPRESSION CIRCUIT WITH HIGH VOLTAGE ISOLATION AND SURGE SUPPRESSION  
A suppression circuit with high voltage isolation and surge suppression, which utilizes a safety capacitor to replace the surge protector and the capacitor in a conventional circuit, is provided....
US20050099754 Impedance matched surge protected coupling loop assembly  
A tower top amplifier for use outdoors in a radio frequency communications system has a surge suppression device for suppressing electrical surges caused by lightning strikes. The surge...
US20080247113 Protection patch panel  
An access control system dissipates voltage transients while allowing access control equipment to operate normally. The access control system utilizes an isolation patch panel which is provided...
US20080037193 Adaptive transient blocking unit  
A variable trip limit transient blocking unit (TBU) is provided. The variable trip limit transient blocking unit circuit includes a transient blocking unit and a low-pass filter, such as an RC...
US20050047050 Surge voltage suppressor  
Semiconductor surge absorbing devices are connected individually between power lines for the U, V and W phases, which connect an inverter and a motor, and between the ground and the power lines....
US20070183112 Spark gap arrestor  
[Problem] To realize a spark gap arrester of a sealed structure in which a follow current is eliminated by increasing voltage drop independent of an arc current and thereby preventing restrike due...
US20070115601 Lightning protector for an electrical appliance  
A lightning protector for a circuit having a load and two inputs includes a protection element adapted to connect to the load in parallel, a point discharging device connected to the protection...
US20090225487 SURGE ARRESTER WITH A CAGE DESIGN  
The invention relates to a surge arrester having at least one varistor block 1; two end fittings 3; one reinforcing element 9 which holds the varistor block 1 under tension at the end fittings 3...
US20130057997 Potential Arc Fault Detection and Suppression  
A wiring fault detector adapted specifically to address the requirement for arc fault protection specified in National Electrical Code (2011) article 690.11 comprises running at least one...
US20080158765 Travel outlet device  
A travel outlet device is for connecting between an adapter and a power cable. The travel outlet device includes a case, a PCB and at least one power outlet unit. The case is connected with a...
US20060221532 Apparatus for protecting DC-powered equipment from power events occurring at the equipment power input  
Apparatus provide protection for the power input of DC-powered equipment so that transients from a DC power supply do not cause equipment damage leading to spontaneous or eventual failure. The...
US20050036262 DC Voltage surge suppressor with distributed capacitance EMI filtering and impedance matching  
An electromagnetic interference filter and surge suppression apparatus comprising: a first filter operably connected in series with the first power input terminal and a first output terminal and...
US20140055898 Devices and Methods for Overvoltage Protection  
A circuit protection device includes an overvoltage monitor circuit that is operable to monitor a power supply circuit to detect an overvoltage condition on the power supply circuit and to change...

Matches 1 - 50 out of 229 1 2 3 4 5 >