Abstract: The present disclosure discloses a composite crossarm and a power transmission tower. The composite crossarm includes a post insulator and three suspension insulators. The post insulator and the suspension insulators each has an end configured to be connected to a tower body of the power transmission tower, and another end connected together to form an end of the composite crossarm that is configured to attach a transmission line. The three suspension insulators are arranged at intervals around the post insulator. Axes of two suspension insulators and an axis of the post insulator are in the same plane. The two suspension insulators whose axes are in the same plane as the axis of the post insulator are defined as first suspension insulators, the remaining suspension insulator is defined as a second suspension insulator. The two first suspension insulators form an angle ranged from 45° to 90°.

Abstract: Pole mounts, pole mount kits, and poly mount assemblies are disclosed. Each kit and assembly includes a pole mount with a mounting bracket including a pair of coupling plates and at least one retaining plate. The pair of coupling plates is coupled to opposite ends of the at least one retaining plate. The at least one retaining plate defines a mounting area between the pair of coupling plates. The pole mount further includes at least two retaining brackets coupled to the at least one retaining plate. Each of the retaining brackets includes a base, opposing side walls extending from the base, and a front wall extending from the base and located between the opposing side walls. The base, the opposing side walls, and the front wall define a retaining area. The front wall defines a cutout region contiguous with the retaining area.

Abstract: Devices, systems, and methods are provided for compact transmission lines structure. A compact transmission lines structure may comprise a first subsystem of a pole and a crossarm, wherein the crossarm is stacked above the pole, wherein the crossarm comprises a cantilever end situated away from the pole. The compact transmission lines structure may comprise a second subsystem connected to the cantilever end. The second subsystem comprising a first diamond-shaped insulator assembly supporting a first single three-phase transmission line. The compact transmission lines structure may comprise a third subsystem connected to the cantilever end, the third subsystem comprising a second diamond-shaped insulator assembly supporting a second single three-phase transmission line, wherein the second diamond-shaped insulator assembly mirrors the first diamond-shaped insulator assembly. The compact transmission lines structure may comprise at least two shield wires configured to provide lightning protection.

Abstract: A semiconductor package includes a lower connection structure, a semiconductor chip on the lower connection structure, an upper connection structure including a first conductive pattern layer on the semiconductor chip, a first insulating layer on the first conductive pattern layer, a second conductive pattern layer on the first insulating layer, a first via penetrating the first insulating layer to extend between the first conductive pattern layer and the second conductive pattern layer, and a second insulating layer extending between a side surface of the first via and the first insulating layer, and an intermediate connection structure between the lower connection structure and the upper connection structure. A chemical composition of the first insulating layer may differ from a chemical composition of the second insulating layer.

Abstract: Devices, systems, and methods are provided for compact transmission lines structure. A compact transmission lines structure may comprise a first subsystem of a pole and a crossarm, wherein the crossarm is stacked above the pole, wherein the crossarm comprises a cantilever end situated away from the pole. The compact transmission lines structure may comprise a second subsystem connected to the cantilever end. The second subsystem comprising a first diamond-shaped insulator assembly supporting a first single three-phase transmission line. The compact transmission lines structure may comprise a third subsystem connected to the cantilever end, the third subsystem comprising a second diamond-shaped insulator assembly supporting a second single three-phase transmission line, wherein the second diamond-shaped insulator assembly mirrors the first diamond-shaped insulator assembly. The compact transmission lines structure may comprise at least two shield wires configured to provide lightning protection.

Abstract: The invention relates to substructure (1) for increasing the earthquake resistance of at least one high-voltage component (2), in particular a choke coil (3). The substructure (1) comprises a platform (4) which is designed to receive the high-voltage component (2) in a load-bearing manner and which is suspended on a support device (6) of a support structure (7) by means of at least three tensioning means (5). The platform (4) is connected to the tensioning means (5) by means of a first articulated connection (22), and the tensioning means (5) are connected to the support device (6) by means of a second articulated connection (23), said support device (6) being supported on the ground (9) by means of at least three supports (8).

Abstract: A fuse component configured to provide overcurrent protection for an electric motor comprises a spiral fuse portion and a magnetic core. The spiral fuse portion encloses at least a part of the magnetic core, so that the fuse component is also configured to function as a choke of the electric motor.

Abstract: A cable termination includes a tubular body having an outer surface and a through aperture, and at least one shed extending from the outer surface. The shed includes an outer edge. A first support is coupled to the shed, extends between the outer surface of the tubular body and the outer edge of the shed, and is configured to increase the rigidity of the shed.

Abstract: An electrical insulating cap formation is disclosed. The electrical insulating cap formation includes a strip of material and a plurality of electrical insulating caps carried thereon in a row, in which intervals are provided between each, or groups of two or more, of the electrical insulating caps.

Abstract: An electrical insulating cap formation is disclosed. The electrical insulating cap formation includes a strip of material and one or more electrical insulating caps each comprising a tubular section and a closed end section, in which the one or more electrical insulating caps are carried on the strip of material by their end sections. The strip of material includes a wing portion which extends over at least a part of the tubular sections of the one or more electrical insulating caps. The strip of material is formed such that an outer edge of the wing portion is spaced apart from the tubular sections of the one or more electrical insulating caps.

Abstract: An electrical circuit with large creepage isolation distances is provided. In some embodiments, the electrical circuit is capable of increasing creepage isolation distances by many multiples over traditional electrical circuits. In one embodiment, an electrical circuit comprises a ground circuit optically coupled to a floating circuit, and an isolated circuit optically coupled to the floating circuit. The circuits can be optically coupled with opto-isolators, for example. The isolated circuit can have a creepage isolation distance at least twice as large as a traditional circuit. In some embodiments, “n” number of floating circuits can be optically coupled between the ground circuit and the isolated circuit to increase the total creepage isolation distance by a factor of “n”. Methods of use are also described.

Abstract: An electrical insulating cap formation is disclosed. The electrical insulating cap formation includes a strip of material and a plurality of electrical insulating caps carried thereon in a row, in which intervals are provided between each, or groups of two or more, of the electrical insulating caps.

Abstract: A circuit substrate laminate, comprising a conductive metal layer; and a dielectric composite material having a dielectric constant of less than about 3.5 and a dissipation factor of less than about 0.006, wherein the dielectric composite material comprises: a polymer resin; and about 10 to about 70 volume percent of cenospheres having a ferric oxide content of less than or equal to 3 weight percent.

Abstract: A universal cable hanger or clamp that can accommodate a variety of cable sizes, and can be mounted on a variety of structures in a various ways. The hanger includes a fixed block with a movable block, where the fixed block can be clamped or attached to a fixed structure, and includes a pair of partially open curved sections adapted to receive and hold cables of various sizes. The movable block includes two curved or V-shaped or U-shaped arms that correspond to the partially open curved sections. As the movable block is inserted into the fixed block, the arms close off the curved space, in whole or in part, to grip and hold a cable in the space. Two posts on the movable block engage indentations in slots on the fixed block, thereby providing a curved space of fixed size corresponding to different cable sizes. Multiple hangers can be stacked.

Abstract: Top pole support for aerial electric power lines, in particular with suspended wires in which the aerial electric power lines have at least three wires and the top pole support has corresponding insulators, in particular suspended insulators, to hold the wires. According to the invention, the top pole support traces a continuous curve substantially passing by the points in which the insulating means are.

Abstract: A technique and system for insulating conductors is provided in which insulating tubes are formed by winding insulating tape on a mandrel, with two or more layers of tape being wound in the same or opposite helical directions. The layers are bonded to one another and multiple tubes are formed in a series which can be nestingly assembled. The tubes are selected based upon the insulation rating desired and the size of a conductor. The tubes are assembled on the conductor and bonded to one another and to the conductor.

Abstract: A method of processing greensheets for use as microelectronic substrates comprises providing a greensheet having a width, a length and a thickness, bonding to the greensheet, within the greensheet width and length, a frame adapted to constrain movement of the greensheet within the frame, processing the greensheet and bonded frame, and removing the frame from the processed greensheet. The processing of the greensheet and bonded frame may include punching vias in the greensheet, filling the vias in the greensheet with conductive material, patterning the greensheet by applying conductive paste to the vias and greensheet surface, stacking the patterned greensheet and bonded frame with at least one other patterned greensheet and bonded frame, and laminating the greensheets. The frame is preferably removed from the processed greensheet after laminating the greensheets, and before the laminated greensheets are subsequently sintered.

Abstract: An electrical isolation layer capable of inhibiting, if not preventing, a first conductive material from electrically passing or bleeding into a second conductive material and thereby causing a high resistance connection among the conductive materials is provided. The isolation layer has particular application when arranged between a conductive roebel filler and conductive strands sheathed by a porous insulator carrying a high voltage within a stator of a dynamoelectric machine used in a power generation plant.

Abstract: A resin block insulating system comprising a plurality of resin blocks laid so as to cover a high-voltage part. Each of the resin blocks has a side surface opposite to a side surface of an adjacent resin block via a gap formed therebetween. The side surfaces are substantially parallel with each other and extend in an inclined direction with reference to a thickness direction of the resin block insulating system so as to extend an insulation length of the gap.

Abstract: The present invention relates to an electrical device having an insulating structure. The electrical device includes an electrical device body, a shell having a bottom surface and containing the electrical device body therein, a first insulating element disposed between the electrical device body and the bottom surface of the shell, and a second insulating element disposed below the shell for cooperating with the first insulating element to interpose the shell between the first insulating element and the second insulating element, so as to insulate the electrical device.

Abstract: The present invention relates to an electrical device having an insulating structure. The electrical device includes an electrical device body, a shell having a bottom surface and containing the electrical device body therein, a first insulating element disposed between the electrical device body and the bottom surface of the shell, and a second insulating element disposed below the shell for cooperating with the first insulating element to interpose the shell between the first insulating element and the second insulating element, so as to insulate the electrical device.

Abstract: A bus bar module (10) includes a bus bar (11) made of a metal material integrally molded into an insulating layer (12) made from resin. The bus bar module (10) also includes a distortion absorptive section (15) for absorbing distortion resulting from difference in the thermal expansion coefficient between the bus bar (11) and the insulating layer (12). Thus, the insulating layer (12) can stretch out by a difference in expanded dimension between the insulating layer (12) and the bus bar (11) at thermal expansion. In this way, the distortion resulting from the difference in the thermal expansion coefficient between the bus bar (11) and the insulating layer (12) can be absorbed, and crack occurrence in the insulating layer (12) can be prevented.

Abstract: A laminate capable of mounting semiconductor elements thereon; comprising an insulating layer which is constituted by a resin portion of sea-island structure and a woven reinforcement. The resin portion of sea-island structure is, for example, such that a resin as islands are dispersed in a resin as a matrix. Thus, the insulating layer exhibits a coefficient of thermal expansion of 3.0.about.10 (ppm/K) in a planar direction thereof and a glass transition temperature of 150.about.300 (.degree.C.). Owing to these physical properties, thermal stresses which the laminate undergoes in packaging the semiconductor elements thereon can be reduced, so that the connections of the laminate with the semiconductor elements can be made highly reliable.

Abstract: A retainer bracket for an electric heating assembly is provided with a pair of parallel and opposing side beams having longitudinal axes and at least one planar transverse support formed integral with the pair of side beams and extending between the pair of side beams. The transverse support preferably has a plurality of openings with longitudinal axes and the transverse support is disposed so that the axes of the openings are parallel to the longitudinal axes of the side beams. The plurality of openings are thereby each adapted to receive and retain an insulator without a separate fastener. A method of making the heating coil retainer bracket from a single web of material is also contemplated.

Abstract: A composite insulator includes a hollow and tapered core portion composed of fiber-reinforced plastics, and a sheath and sheds composed of an insulating polymeric material integrally molded on the outer surface of the core portion. The core portions of composite insulators for a plurality of voltage classes are formed by using a mandrel assembly in which a plurality of mandrel members are combined. The so-prepared core portion is placed within a mold unit in accordance with the voltage class of the composite insulator to be manufactured, and the insulating polymeric material is poured into the mold cavity to integrally mold the sheath and the sheds.

Abstract: A laminate capable of mounting semiconductor elements thereon; comprising an insulating layer which is constituted by a resin portion of sea-island structure and a woven reinforcement. The resin portion of sea-island structure is, for example, such that a resin as islands are dispersed in a resin as a matrix. Thus, the insulating layer exhibits a coefficient of thermal expansion of 3.0.about.10 (ppm/K) in a planar direction thereof and a glass transition temperature of 150.about.300 (.degree.C.). Owing to these physical properties, thermal stresses which the laminate undergoes in packaging the semiconductor elements thereon can be reduced, so that the connections of the laminate with the semiconductor elements can be made highly reliable.

Abstract: A tubular body is mounted against a wall of a dwelling and surrounding a distribution box and a portion of incoming cables which terminate within the distribution box. A cover closes the tubular body and switches detect when there is an attempt to remove the body from the wall and when the cover is removed.

Abstract: A mount for securing a load, for example a strut insulator, to a stationary support has a pair of end parts one of which is fixed to the load and the other of which is fixed to the support and a pair of respective intermediate parts. Respective end pivots connect the intermediate parts to the end parts for pivoting thereon about respective axes that are perpendicular to each other and a central pivot connects the intermediate parts to each other for relative pivoting about a center axis lying substantially perpendicular to the end axes. One of these end axes is at least generally horizontal and at least generally aligned with the load.

Abstract: A cluster mounting system is provided for supporting a plurality of transmission line or coaxial cable runs in a non-interfering manner on a microwave transmission tower. The system uses a cluster mount member comprising a single strip of metal formed in such a way as to define a plurality of substantially flat mounting surfaces adjoining each other. The mounting surfaces are angularly disposed with respect to adjoining surfaces in such a way that cable carrying hangers may be affixed to each of the surfaces without contacting each other or the cable carried therein. The ends of the cluster mount member are provided with outwardly extending arms through which the cluster mount member and the plurality of hangers and cable supported thereupon may be rigidly mounted directly onto a leg of the transmission tower or a separate support member provided on the tower.

Abstract: An auxiliary support system for use with a line-post insulator of an electric power transmission system includes a tension member of electrically insulating material coupled between a tower and the junction of a conductor support with the outboard terminus of the line-post insulator. A clamp formed of two juxtaposed jaws bends downwards to clear the conductor and support, and then bends inwardly to grip the terminus and secure it to the tension member. Attachment of the auxiliary support can be accomplished without disruption of the electric power.

Abstract: A high voltage apparatus having the three-dimensional structure of the invention has a plurality of electric units and a frame with a plurality of insulating columns. The electric units are vertically mounted in a plurality of stages between the insulating columns. Each insulating column has a plurality of insulators of a synthetic resin which are in a substantially linear arrangement at intervals; and a plurality of metallic spacers which are arranged at a distance between two adjacent insulators to couple them, and whereon the electric units can be mounted. The metallic spacers are electrically insulated from each other and the potential of each of the spacers is same as the potential of an electric unit to which the spacer is attached.

Abstract: An improved electrical heating element is constructed to increase the amount of electrical wire per unit space available for plug-type convection heating units. The heating element includes a metal frame structure with a plurality of spaced support elements and a plurality of spaced removable cross bars connected thereto. A plurality of ceramic heater support blocks, each of T-shape in plan, with spaced end faces are arranged end to end and have undercut grooves which receive a cross bar and are interposed between the support elements. A continuous electric resistance heating wire has a series of parallel spaced inverted U-shaped wire sections. The wire sections are arranged in groups. Each block has a support boss of reduced width adjacent one end face adapted to extend between the strands of a section of the heating wire. Each block has a pair of spaced bosses adjacent to its other end face which extend laterally outward of the support boss.

Abstract: A low cost, lightweight, helically preformed line tie is disclosed which is configured for yieldably securing an elongated conductor or the like to various standard sizes of conventional, grooved insulative supports without the need for specialized ties by provision of a unitary, substantially shape-retaining resilient metallic wire tie which includes a central, generally U-shaped, line-receiving bight and a pair of legs extending therefrom which have intermediate sections adjacent the bight and helically formed line-gripping terminal sections; in preferred forms, the intermediate sections include a pair of interconnected, generally straight segments disposed at an angle relative to each other, and the intermediate sections are wrapped under tension about the support body with the helical leg sections secured about the line for yieldably securing the latter to the support without creation of localized, rigidly held stress areas at the line support points which can lead to premature line failure by virtue of b

Abstract: A pair of strips having spaced cutouts therein are placed in lapping relation so the cutouts form openings to receive insulating bushings having circumferential grooves therearound at least some of the end margins of the intervening webs between the cutouts being retroverted to take the form of barbs which in the assembled relation face corresponding barbs of the other strip.

Abstract: A support strip for insulating bushings has spaced cutouts therein to receive the bushings. A locking bar which closes the open side of the cutouts to hold the bushings in place is arranged so that it interengages with the web portions between the cutouts by being received on first one side and then the other side of successive webs.

Abstract: A high voltage distributor allowing the easy connection and disconnection of a high voltage power supply to and from one or more circuits requiring the supply. The design configuration features unrestrained "pump-out," insulation of the high voltage from ground, and freedom from corona. These features are obtained by mounting a removable retaining rod on one or more insulators, thereby facilitating the support by the retaining rod of a plurality of washers. One of the washers is integrally connected to the high voltage power supply while the remaining washers are integrally connected to the circuits requiring the high voltage.