Matches 151 - 200 out of 443 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
5999393 Surge protector and lead assembly with improved contact area between the protector and lead  
The present invention provides a lead for attachment to a cylindrical protector element with a circular contact ring thereon and a circular groove adjacent and axially inward of the contact ring....
5990778 Current-limiting resistor having PTC behavior  
The current-limiting resistor has two connection electrodes (1, 2) which are arranged parallel to one another, a resistance body (3) which has PTC behavior and with which large-area contact is made...
5991141 Surge arrester arranged to provide failure indication  
A failure indicator device for a surge arrester (2) employs a conventional explosive disconnector (10). Operation of the disconnector (10) due to earth fault current passing through the arrester...
5978192 Schmitt trigger-configured ESD protection circuit  
A Schmitt trigger-configured overvoltage protection circuit has a hysteresis turn-on, turn-off characteristic that minimizes its sensitivity to noise, and is effective to protect an integrated...
5969931 Interface structure for electronic apparatus  
An electronic apparatus includes a locker having a plurality of shelves, and a plurality of packages 25 are inserted in the respective shelves from the front thereof. Back boards are arranged in...
5969932 Power surge protection assembly  
A power surge protection assembly for use in electrical panel boxes having multiple electrical components. The power surge protection assembly includes a bus bar connected to a power supply,...
5959823 Tank-type surge arrester  
A tank-type surge arrester includes a zinc oxide element unit having zinc oxide elements, a top shield ring for earth insulation control disposed on top of the zinc oxide element unit, an upper...
5959822 Compact lightning arrester assembly  
A lighting arrester in the form of a double-ended polymer enclosure contains one or more varistor discs in vertical alignment having terminals at the opposing ends for external electrical...
5956223 Surge protection system including proper operation indicator  
A meter extender surge suppression system that fits between a utility meter and a meter box is provided to protect downstream equipment from surges on the electric power lines. The system includes...
5952910 Isolator device for arrester  
A device for connecting, and then isolating and disconnecting an arrester includes a non-conductive housing with two electrical terminals. The housing has opposite ends separated by an internal...
5942968 Overvoltage suppressor  
The overvoltage suppressor contains two connecting fittings (1, 2), which are spaced apart from one another along an axis (z) and between which at least one cylindrical varistor element (8) is...
5936822 Coaxial surge arrester  
A novel gas tube assembly and a novel connector assembly using the novel gas tube assembly. The gas tube assembly includes an outer conductive electrode having a generally tubular construction, an...
5936826 Surge arrester  
The surge arrester has an axially symmetrical active portion (2) arranged between two connection fittings (1, 2). This active portion (2) contains varistor elements (12) stacked one above the other...
5936824 Encapsulated MOV surge arrester for with standing over 100,000 amps of surge per doc  
An improved apparatus and method for encapsulating a single large MOV is shown. The MOV is sandwiched between aluminum contact plates. An epoxy fills the void space between the contact plates. A...
5936825 Rise pole termination/arrestor combination  
Protection of a cable, its termination and other apparatus from lightning strikes on an overhead line is provided by housing a surge arrestor and a cable termination, which are connected in...
5930100 Lightning retardant cable  
There is provided a cable which retards lightning. The cable includes at least one internal conductor which may be a power conductor or a signal conductor. A choke conductor is wound about the...
5926356 End terminals for modular electrical assemblies with pressure relief  
A modular electrical assembly is enclosed in an elastomeric weathershed housing, and has a plurality of electrical components and end terminals aligned in a column and in electrical connection with...
5923518 Surge arrester having disconnector housed by end cap  
An apparatus includes a surge arresting element, first and second end caps, an arrester housing, and a fault disconnector. The surge arresting element is arranged to conduct in the presence of a...
5912792 Mounting construction of a tank-type lightning arrester for a neutral point of a transformer  
A mounting construction of a tank-type lightning arrester for a neutral point of a transformer includes a transformer having a transformer winding contained within a transformer tank, the...
5909349 Gas tube surge protector with sneak current protection  
A gas tube protector module is provided that provides sneak current protection in addition to voltage surge protection. The module has two pairs of terminals with one pair for connection to outside...
5903427 Arc containing device  
A device for containing an electrical discharge arc and holding the arc substantially captive until it is extinguished. The device comprises two spaced apart conductor systems (13 and 14) that are...
5901028 Electricity meter provided with a system for protection against surges  
At least one live conductor and one neutral strap are provided for an electricity meter, the respective inlets and outlets of the live conductor and of the neutral strap being disposed inside the...
5896266 Overvoltage suppressor having insulating housing  
The overvoltage suppressor has a cylindrical active part, which is arranged between two electrically conductive, cylindrical fittings and contains at least one varistor on a metal-oxide base, as...
5892648 Gas-filled overvoltage arrester with electrode activation compound  
A gas-filled overvoltage arrester with an electrode activation compound. In order to ensure a high degree of adherence of the activation compound to the electrodes in a gas-filled...
5880919 Gas tube surge protector with interacting varistors  
A surge protector is provided that has a gas tube and at least one MOV that is coordinated with the gas tube such that the MOV interacts with the gas tube to lower the impulse breakdown voltage of...
5875090 Lightning arrestor with a thermoplastic envelope having an embossed outside surface  
The lightning arrestor has two metal end fittings for connection purposes, a stack of electrically conductive components extending along a longitudinal axis between the two end fittings, and an...
5854732 High voltage arcing switch initiated by a disruption of the electric field  
A high voltage switch, including: first and second electrodes having electrode surfaces; an electrically non conductive tube having an outer surface connecting the electrode surfaces; an...
5845872 Method and arrangement for fastening composite aircraft skins  
The present invention provides a method of fastening an outer composite aircraft skin (12) to an inner substructure (14), which may be the wall of a fuel tank. The method includes the steps of...
5844761 Device for circuit board power surge protection such as protection of telecommunication line cards from lightning and power cross conditions  
A device for line card lightning and power fault protection includes a heat generating fusible resistive element connected to two electrical terminals using a controlled-melting temperature solder....
5798482 Lightning protection device  
A new Lightning Protection Device for providing protection to individuals against lightning strikes. The inventive device includes a plurality of electrically conducting bands being spaced apart...
5790362 Lightning arrester  
A lighting arrester of a simple structure facilitates connection of same to a coaxial cable or the like, affording reduced connection costs while providing, optionally, fail-safe and vent-safe...
5786613 Integrated overvoltage protection device having electrodes separated by a gas-filled cavity  
An overvoltage protection device, for inclusion within an integrated circuit, which comprises at least two conductive elements separated by a gas filled gap.
5708555 Surge arrester having controlled multiple current paths  
An improved surge arrester includes metal oxide varistors in series with spark gap assemblies arranged such that the MOV elements conduct the low magnitude, steady-state current through the...
5684665 Modular electrical assembly with conductive strips  
A modular electrical assembly including a plurality of conductive electrical components aligned in a column along an axis and electrically connected at axially directed ends. First and second...
5684664 Method for the production of an insulator  
An electrical insulator coated with electrically insulating material is disclosed. An electrically insulating material is applied on a primer coat, in which the uniformity of the applied primer...
5680289 Surge arrester  
A surge arrester has a single varistor element or a stack of varistor elements held between two end terminals by a plurality of elongate strength members disposed therearound. The ends of the...
5680316 Method for estimating discharge capability of zinc oxide power element, method for screening the element and systems for carrying out these methods  
The discharge capability of zinc oxide elements is determined. A current of a given energy quantity is allowed to flow through a zinc oxide element to generate heat. The element is photographed by...
5671114 Gas-filled overvoltage diverter  
In a gas-filled overvoltage diverter, the electrodes are coated with an activation compound and are located on an insulator. At least one axial ignition strip is disposed on the inner surface of...
5657197 Operative lightning protection system  
As part of the operating mode of a lightning protection system in which lightning rods are moved from concealed positions to deployed positions as required for use in a storm with lightning...
5652690 Lightning arrester having a double enclosure assembly  
A lightning arrester module is double-enclosed to insure adequate environmental protection to the enclosed varistors as well as to contain the internal components of the arrester upon severe fault...
5633620 Arc containment system for lightning surge resistor networks  
A lightning surge resistor network includes a ceramic substrate and a thick-film resistor deposited onto the substrate. To prevent material spatter and to contain and isolate any arcing that can...
5633777 Gas-filled, three-electrode overvoltage surge arrester for large switching capacities  
To adapt a three-electrode arrester having copper electrodes to high switching capacities (200 Amp a.c. current per discharge gap simultaneously for 11 cycles at 60 Hz), the following measures are...
5625523 Surge arrester  
A fragmentation resisting core unit adapted for installation within a surge arrester outer housing and including a conventional array of non-linear core components arranged in series along a core...
5596476 Surge arrester with a mtal oxide resistor  
In a surge arrester with a multi-column arrangement of the metal oxide resistors within an insulating housing, each column is to be made of resistance elements in a mechanically self-supporting...
5574613 Lightning arrester having machinery built-in  
It is an object to provide a lightning arrester having machinery built-in in which an axial length of an insulating tube which stores therein zinc oxide elements is reduced so that an attempt is...
5572396 Electric service safety disconnect apparatus with overvoltage and overcurrent protection  
A socket adapter housing has a plurality of line and load blade terminals and jaw contacts. An electrical power disconnect device, mounted in the housing, has contacts switchable between closed and...
5570264 Surge arrester  
A surge arrester with an elongated polymer housing (1) includes a stack of arrester elements (2), for example of zinc oxide. To limit the radial voltage stress which may arise in the polymer...
5561581 Arrester and manufacturing method thereof  
The grounding tank 2 is laid on its side in the state that the covers 7A and 7B of the openings 3A and 3B at the both ends thereof are removed and the truck 8 is turned so that the side frame 8b on...
5548468 Surge arrester using zinc oxide elements installed in parallel, and method of forming the surge arrester  
An arrester has a plurality of laminated columns arranged in parallel, each having a plurality of nonlinear conduction elements. The columns are electrically interconnected by conductive connection...
5539607 Tank-shape arrester  
An arrester in the shape of a tank has a cylindrical grounding tank as an outer casing to be arranged vertically in which an insulating medium is enclosed. In the grounding tank, a non-linear...
Matches 151 - 200 out of 443 < 1 2 3 4 5 6 7 8 9 >