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Document Title |
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7495172 |
Outdoor sealing end
A cable sealing end includes a base fitting configured for mounting on a base; a top fitting configured for securing an overhead conductor; an insulating body made of polymeric material; a...
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7410373 |
Secure cable system
Secure cable connections in a structure. Cables are routed between a fixed surface and a removable surface to connectors within a lockable enclosure. Removable surfaces include raised floors,...
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RE39840 |
Electrical bushing with resin casting
The invention in a first aspect relates to an improved cast resin bushing assembly for use in a transformer wherein the busing assembly includes a bushing which includes locating means for aligning...
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7262367 |
High voltage bushing with field control material
The invention pertains to a dielectric bushing ( 1 ′), in particular a high-voltage bushing ( 1 ′) for an electrical high-voltage apparatus. To realize the field control in the field-stressed...
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7180003 |
Composite insulator
The present invention relates to a composite insulator comprising: (i) a composite body having at least two connectors and (ii) a housing, wherein the housing includes silicone rubber and the...
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7094974 |
Polymer SP insulator
A polymer SP insulator comprising an FRP core 1 , a sheath 2 having a plurality of sheds 6 provided on outer periphery of FRP core 1 , and metal-end-fittings 3, 4 crimped to upper and lower...
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7041913 |
Method and arrangement for providing a gas-tight housing joint
A method and arrangement is provided to form a gas-tight joint between an end flange and a tubular rod. The joint is formed via a heat-shrink process to provide an interference fit. The rod is...
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7026555 |
Composite insulator
The present invention relates to a composite insulator comprising: (i) a composite body having at least two connectors, wherein the composite body is coupled to a conductor; and (ii) a housing,...
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6951987 |
High voltage bushing
A high voltage bushing includes an electrically conductive coupling having an aperture; first and second dielectric tubes mounted to the coupling so that they are coaxially aligned and have first...
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6831232 |
Composite insulator
The present invention relates to a composite insulator comprising: (i) a composite body having at least two connectors, wherein the composite body is coupled to a conductor; and (ii) a housing,...
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6787704 |
Method and apparatus for increasing the rating of a transformer
The voltage class rating of a transformer is increased by increasing the rating of an off the shelf molded transformer bushing. Specifically, the voltage class rating is increased by increasing the...
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6753750 |
1.2 kV class porcelain bushing withstanding 45 kV standard lighting impulse voltage
A porcelain bushing for transformers withstanding impulse voltages rated at 45 kV and 1.2/50 μs without external flashover, having a creepage to arcing distance ratio of 1.05 to 1.24. The bushing...
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6737587 |
Cable sealing end
The invention relates to an outdoor sealing end ( 8 ) which is elevated on one side. Means ( 18 ) for fixing the cable ( 10 ) are designed on the base fittings ( 20 ). An electric duct ( 32 ) is...
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6657129 |
Method and device for fixing a ceramic component in a metallic support
A device for fixing a ceramic component in a metallic support is provided. The device includes a bush, which is produced from gray cast iron with lamellar graphite, arranged at those locations of...
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6624360 |
Outdoor high-voltage bushing, and a high voltage switching device having such a bushing
A bushing, which normally includes an insulator, having a high-voltage connection and a metallic foot part, and an electrical conductor, the foot part of the insulator) is in the form of a curved...
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6610933 |
Electrical bushings with resin casting
The invention in a first aspect relates to an improved cast resin bushing assembly for use in a transformer wherein the busing assembly includes a bushing which includes locating means for aligning...
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6521839 |
Insulation-operating rod
A cylindrical insulating rod 2 and a connecting rod 3 are connected to each other by a metallic shield ring 5 and a connecting pin 4 . The metallic shield ring 5 has second shield portions...
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6515232 |
High voltage bushing and method of assembling same
A high voltage bushing comprising an insulator enclosing a conductor and a mounting flange slid over the insulator. The outer surface of the insulator defines a flange seat for contacting one end...
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6498304 |
Insulator for an electrical conductor provided with an outer shield
The invention relates to an insulator for an electrical conductor provided with an outer shield, especially a so-called coaxial cable or shielded twin cable, in order to achieve an insulation at...
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6452109 |
Bushing for high electrical voltage
A bushing for a high electric voltage has a casing through which a central conductor is passed so that it is electrically insulated. Conducting liners spaced a distance apart are arranged...
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6423903 |
Method and arrangement for minimizing electrical field stress in circuit interrupters and housings therefor
A method and arrangement is provided for minimizing electrical field stress on circuit interrupters and their housings via the arrangement of the external sheds or skirts of the housing. In one...
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6392157 |
Device for bus coupling between enclosed switchboards with insulating gas sealed therein
An inexpensive device for bus coupling between enclosed switchboards with an insulating gas sealed therein has a simple structure and requires a shorter time for installation. The bore shape of a...
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6346677 |
High-voltage bushing provided with external shields
A high-voltage bushing for insulating a conductor going through a metallic wall is described herein. To allow a conventional current transformer to be used to monitor the current flowing through...
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6291786 |
High-voltage circuit breaker having an interrupter module
A high-voltage circuit breaker that has a grounded enclosure and an interrupter module arranged in the grounded enclosure. The interrupter module has short pipe connections and bushings mounted on...
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6255589 |
Hermetically sealed current feedthrough for outdoor electrical gear
The current feedthrough is more particularly intended to provide connection to a bare conductor of a piece of gear housed inside metal cladding including a wall provided with an opening designed to...
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6218627 |
Bushing
A bushing has a central conductor, and a plurality of internal shield rings. Gaps are formed between the shield rings such that equipotential lines extend through gaps. Electric field concentration...
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5726390 |
Electric bushing with voltage tap
An electric bushing is provided with a capacitive voltage-tapping electrode having a simplified design as an insulating ring-shaped plastic body. The plastic body is coated with conductive lacquer...
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5548089 |
Bushing for gas-insulated switchgear
A bushing wherein the voltage stress across the surface of the bushing is alleviated by placement of a layer of insulating material in direct contact with the surface. The insulating material is...
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5516987 |
Solid insulator and method of manufacturing the same
The present invention is relates to a high strength solid insulator, and a method of manufacturing the same. The solid insulator is made of cristobalite porcelain containing cristobalite crystals...
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5466891 |
Conical composite SF.sub.6 high voltage bushing with floating shield
The present invention provides a floating shield for a high voltage bushing. Preferably the bushing is conically shaped and has a composite housing for substantially optimizing the electrical...
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5410102 |
Cable bushing
A cable bushing which provides for an electromagnetically tight guidance of a shielded electrical cable, the jacket of which has been stripped from the shield in the bushing area, and the cable led...
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5342998 |
Terminal bushing for electrical apparatus comprising a polymeric shell molded about a central conductor
A terminal bushing which has (a) an elongated central conductor made by a powder metallurgy process from metal particles sintered together at elevated temperatures after being compacted under...
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5281767 |
Reduced mechanical stress bushing and conductor rod assembly
An improved, failure-resistant, low mechanical stress electrical connector bushing (10) is provided which includes an elongated, central metallic conductor rod (12) with an insulative epoxy body...
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5200578 |
High voltage feedthrough bushing
A feedthrough bushing for a high voltage diode provides for using compression sealing for all sealing surfaces. A diode assembly includes a central conductor extending through the bushing and a...
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5130495 |
Cable terminator
A cable termination assembly for terminating a high voltage current-carrying conductor includes an outer porcelain housing and an inner polymeric liner of low durometer, cast in the housing before...
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4965407 |
Modular bushing
A bushing system for high voltage electrical equipment includes a weathershed with integral annular shirts molded around an electrical conductor. The weathershed has a cavity at its base for mating...
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4780577 |
Electrical bushing of a gas insulated electrical apparatus
An electrical bushing of a gas insulated electrical apparatus comprises an insulating tube, a central conductor extending through the insulating tube and a cylindrical shield disposed between the...
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4760216 |
High voltage bushing
A method for making an electrical bushing having an enlarged intermediate portion and reduced portions at opposite ends. The method is characterized by the steps of mounting an annular flange...
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4670625 |
Electrical insulating bushing with a weather-resistant sheath
A bushing arrangement for conveying an electrical conductor through the casing of high voltage electrical apparatus exposed to the weather comprises a rigid member of synthetic resin cast around,...
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4584429 |
Electrical assembly including a metal enclosure and a high voltage bushing
A high voltage feed-through bushing has a conductive gasket to connect a conductive coating to a metal enclosure. A central conductor rod of the bushing is surrounded by an insulating tube which is...
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4578088 |
Electrical insulating and sealing apparatus and process for using same
An electrical insulating and sealing apparatus, and process of using same, is described for use in an electrostatic precipitator. The apparatus employs a flexible insulator seal through which...
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4562303 |
Disc-type insulator with a cast-in electrode and process for its manufacture
A disc-type insulator for enclosed high-voltage equipment includes a cast-in electrode which is segmented and which extends peripherally and concentrically with respect to the edge surface of the...
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4484019 |
High voltage RF feedthrough bushing
Described is a multi-element, high voltage radio frequency bushing for trmitting RF energy to an antenna located in a vacuum container. The bushing includes a center conductor of complex...
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4477692 |
High voltage terminal bushing for electrical apparatus
This high-voltage terminal bushing comprises a tubular shell of electrical insulating material having a passageway extending between its ends and an electrical conductor within the passageway that...
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4476361 |
Disconnect contact assembly
According to the reciprocal movement of a movable arm, a stationary arm is connected or disconnected to fingers mounted to the movable arm. A metal ring electrically connected to the stationary arm...
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4459430 |
High voltage variable diameter insulator
A high voltage feedthrough assembly (10) having a tubular insulator (15) extending between the ground plane ring (16) and the high voltage ring (30). The insulator (15) is made of Pyrex and...
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4458101 |
Gas-insulated epoxy bushing having an internal throat shield and an embedded ground shield
A gas-insulated bushing comprises an elongated epoxy insulating shell having a grounded mounting plate secured at one end thereof and an electrical connection terminal secured at the other end...
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4426547 |
Gas-filled insulating bushing having chambers separated by an insulating partition
A gas-filled insulating bushing includes a center conductor and a porcelain tube enclosing therein an insulating gas. A tubular insulating partition is arranged adjacent to an inner wall of the...
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4403104 |
Gas-insulated bushing having minimized throat diameter
A low-pressure gas-insulated bushing is provided including an elongated, hollow insulating shell having a terminal end and a throat end with a opening therethrough. A bushing terminal is secured to...
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4352949 |
Transmission line including support means with barriers
A gas insulated transmission line includes an elongated outer sheath, a plurality of inner conductors disposed within and extending along the outer sheath, and an insulating gas which electrically...
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