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7569769 |
Damper assembly staking system
A damper assembly staking system that provides for staking damper weights onto a messenger is disclosed. The damper assembly includes damper weights having a forked side which accepts a messenger....
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7467767 |
Lightweight clamp blocks
A clamp for securing an element to a structure comprises, a first part and a second part, engageable into a assembled state about the element to be secured. A flexible element is attached to the...
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7232017 |
Pole vibration damping assembly and method
A pole vibration damping means includes an annular housing with internal radial pole encircling chambers in which lead spheres are provided for effecting damping of first mode harmonic vibrations...
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6943291 |
Clamp for a vibration damper and method of installing same
A clamp ( 40 ) for attaching a vibration damper to an energized suspended conductor ( 98 ) includes a base ( 42 ) having a first clamp member ( 46 ) with first and second extension sections ( 50,...
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6943290 |
Vibration damper for overhead power lines
This invention relates to the design and manufacture of Stockbridge type vibration dampers for overhead power transmission lines. The invention provides a Stockbridge vibration damper comprising a...
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6734366 |
Overhead cable
An overhead cable is provided that comprises a tension-bearing core of twisted steel strands, a conductive layer of aluminum strands arranged at the outer circumference of the twisted steel...
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6705440 |
Cable stay damper band and method of use for reduction of fluid induced cable vibrations
Fluid current induced vibrations, as well as vortex shedding vibrations induced in a cable stay or a similar elongated, cylindrical element are dampened and substantially eliminated by applying a...
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6530182 |
Low cost, light weight, energy-absorbing earthquake brace
An energy absorbing seismic brace for both retrofit and new construction. The brace comprises a central strut of either multi-legged or homogeneous section fabricated from low strength aluminum,...
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6528721 |
Aerial conductor suspension clamp
An aerial conductor suspension clamp includes a housing, two split PTFE sleeves and a restraining sleeve. The restraining sleeve is bonded to the conductor and is placed within the housing between...
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6469246 |
Damper for an overhead cable
A damper for absorbing vibrations in an overhead cable which has a support member attached to the cable and at least one dampening member pivotally connected to an axial member mounted on a support...
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6448493 |
Suspension device having a cable carriage integral therewith
The present invention relates to a combined cable suspension device and cable carriage. To enable a cable suspension device ( 1 ) to be used also as a cable carriage, the suspension device has been...
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6435323 |
Distributed aerodynamic and mechanical damping of cables with active smart control
A system for the mitigation of cable stay vibrations, typically induced by wind and rain, utilizes a plurality of active damper bands positioned along the cable stay. Each damper band includes a...
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6397988 |
Pivoting vibration absorber including a torsional spring and pipeline system utilizing same
Vibration absorbers are provided which utilize a torsional spring and a dynamic mass to control vibrations that occur within the structure to which they are attached. Additionally, pipeline systems...
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6386526 |
Cable stay aerodynamic damper band and method of use
Wind/rain induced vibrations, as well as vortex shedding vibrations induced in a cable stay or a similar elongated, cylindrical element are dampened and substantially eliminated by applying a...
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6372984 |
Conductor galloping control device and method of installation
A galloping control rod for suppressing the vertical, torsional and horizontal movement associated with the galloping affect on aerial cables due to freezing rain, wet snow or frost deposits. The...
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6353177 |
Vibration resistant overhead electrical cable
A vibration resistant overhead electrical cable is provided, such as a high-voltage transmission line, which has an insulated conductor, the insulation of which has an axially continuously rotating...
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6331677 |
Overhead wire
An overhead cable includes an outermost surface formed by twisting together a plurality of segment strands. A plurality of spiral grooves form recesses having substantially rectangular...
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6242693 |
Overhead cable
An overhead power transmission line formed by stranding at least one outwardly projecting strand at the outermost layer of an overhead power transmission line formed by a plurality of strands. At...
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6234277 |
Cable sway reduction device
A sway reduction device having a cable receiving section, the cable receiving section being formed of a shock-absorbing material and comprising a flexure portion and an aperture for receiving a...
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6201184 |
Overhead electrical power line suspension
For locally supporting an overhead electrical power line, a suspension includes a suspension clamp, the bottom part of which is open laterally and forms a cradle which is associated with a pivoting...
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6147303 |
Overhead cable with projecting strand
An overhead power transmission line formed by stranding at least one outwardly projecting strand at the outermost layer of an overhead power transmission line formed by a plurality of strands. At...
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6145793 |
Robotic MIG clamp
The invention is directed to a clamp for retaining a fluid hose and/or electrical cable on a robot arm assembly. The clamp includes a base adapted to mount to the robot arm assembly and a top. The...
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6127626 |
Method for installing a telecommunication cable on a supporting cable and arrangement produced thereby
The invention concerns a method of installing a telecommunication cable (3) on a supporting cable (1), particularly on a ground or phase cable of a high voltage overhead line, whereby the...
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6096971 |
Adaptable, overhead line vibration damping/sag adjustment device
Adaptable, line vibration damping/sag adjustment devices are provided with hollow regions that facilitate drilling of larger holes in the devices so that the devices can hold and clamp lines having...
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6072120 |
Method of preventing galloping of multiconductor transmission lines
A top phase transmission line and bottom phase transmission line are stretched between support steel towers so that the bottom phase transmission line is positioned below the top phase transmission...
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6008453 |
Transmission line spacer-twister device
A spacer-twister device for securing to first and second conductors includes an elongate insulating member having first and second ends. A first clamp is rotatably coupled to the first end of the...
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5952609 |
Support point for an overhead conductor
An overhead traction wire support which including a first plate and a second plate, the first plate having on at least one side at least one leg which can be fastened to a ceiling or a wall of a...
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5808238 |
Multiple-cable power for transmission line system
A multiple-cable power transmission line system is provided which includes a plurality of overhead transmission lines each having a ridge on the outer periphery thereof. When the outer...
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5801329 |
Outdoor power line having a damping device
A high voltage outdoor power line includes at least one stranded conductor, and at least one damping device for damping mechanical Karman vibrations of the stranded conductor. The damping device...
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5790388 |
Antiseismic static electrical converter apparatus
An antiseismic static electrical converter installation comprises a valve assembly mounted on a platform, the platform being suspended at each of two opposite ends from a series of rods which are...
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5721393 |
Transmission line spacer-damper device
A spacer damper for providing proper separation and effective vibration damping of subconductors includes a structural hoop about which clamps are positioned at equal intervals. The clamps allow...
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5700980 |
Aerial cable spacer
An aerial cable spacer and support fabricated from separate arm members and braces which are selectively joined to form an open frame device which can be hung from a messenger wire. The inclusion...
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5488197 |
Method of spacing transmission line subconductors
A method of spacing multiple subconductors relative to each other while allowing the subconductors to vibrate without causing damage to the subconductors includes gripping each subconductor with a...
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5418333 |
Stranded elliptical cable and method for optimizing manufacture thereof
A method of manufacture and a resultant cable structure of elliptical stranded cable which optimizes the use of existing conventional stranding machines. In accordance with the present invention,...
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5371320 |
Spacer-damper
A spacer-damper for maintaining the spacing between electrical transmission conductors or the like and for damping any vibratory motion of such conductors includes a rigid spacer in the form of a...
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5214244 |
Strumming resistant cable
An underwater cable has a flexible, elongated core surrounded by a flexible, elongated jacket. A distributed jacket includes a helically displaced phase shifter to decouple the cable from strumming...
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5171942 |
Oval shaped overhead conductor and method for making same
An oval or elliptical shaped overhead conductor that is twisted along its length to provide a continuously varying profile to the wind. A single core is comprised of a circular center wire wrapped...
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5103937 |
Sway minimization system for elevator cables
A system for limiting oscillation of a stationary or moving elevator cable attached to suspended elevator equipment in an elevator shaft. The system includes a cable oscillation limiting member...
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4858738 |
System of auxiliary mass dampers to restrain the response of slender elastic structures to vibrations such as from earthquakes
Structures subject to seismic or other vibrations, such as structurally flexible elements of electrical and mechanical power plants, are effectively damped to reduce stresses resulting from such...
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4854541 |
Power line support
The power line support of the present invention comprises a support tower having a lower end supported on the ground and having an upper end. A power line energy absorber is attached to the upper...
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4829929 |
Fluid-flow drag reducers
A series of streamlining elements surrounding a cable, pole, pipe or a similar long round member in a relatively moving fluid such as water or a high wind as an arrangement to reduce drag....
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4808766 |
Oscillation dampener for aerial electrical transmission lines and line equipped therewith
A design for dampening cable oscillations in aerial transmission lines includes an auxiliary cable (4), each end of which is connected to a respective clamp (6) by means of rubber elastic molded...
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4797781 |
Earthquake resistant high voltage device
To install a high voltage device, particularly a high voltage breaker having two interrupting chambers and a high voltage insulator in a simple earthquake resistant manner, an end flange of the...
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4777327 |
Anti-galloping device, transmission line combined therewith, and methods
A weight is installed in a vertical plane above a subject line. Gravity pulls the weight to an initial angle of about 140 degrees from the starting plane and thereby twists the line. The twist...
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4714799 |
Overhead conductor damper with stamped and sand-cast parts
A device for damping vibrations of an overhead conductor. The device comprises opposed weight halves, each having spherical outside surfaces. The halves are made of a relatively heavy metal...
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4687884 |
Low drag conductor
A conductor for overhead transmission of electrical energy. The conductor comprises an inner core and an outer conductor layer comprised of a plurality of strands helically wound on and lengthwise...
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4680424 |
Overhead conductor damping device with die cast components and method of making the same
A device for damping vibrations of an overhead conductor comprises a die cast weight and housing comprised of opposed weight and housing halves located on opposed sides of a clamp arm and having...
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4663496 |
Cable system with suspended wind damper and method of installing a wind damper
An improved fastener system supports an aerodynamic wind damper below a cable system. The cable system comprises a suspension support strand that supports a cable, such as a telephone cable. The...
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4631656 |
Mounting for electrical converter valve assembly
A static electrical converter for high voltage DC is provided with at least one valve assembly which has one or more valves electrically connected in series. Each of these valves includes a...
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4620815 |
Fastener strips for splice cases
A fastener strip arrangement for joining splice cases of the type including a pair of splice case members having outwardly extending flanges positioned in opposed cooperating relationships to...
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