Distributing And/or Plural Point Support Patents (Class 174/43)
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Patent number: 4686325Abstract: Methods to achieve catenary sag and shape adjustments that can reduce sags and increase clearances at certain locations of overhead flexible conductors, cables, strands, or wires to underlying lands, roads, waters, and other objects by permanently adding and attaching essentially concentrated weights or weight of certain magnitudes and positions on the said conductors, cables, strands, or wires.Type: GrantFiled: May 16, 1986Date of Patent: August 11, 1987Inventors: Ronald Marsico, Bruce Freimark
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Patent number: 4565038Abstract: A guy yoke for use in a guyed structure terminate two support guys coupled to said structure and to transfer loads entered on said supported guys to anchor means, said guy yokes includes two arms pivotally coupled to an anchor plate at one end and coupled to guy wires at the other end. A spreader arm is coupled to the arms to maintain them in a fixed position for forces transmitted by the guy lines which are below a predetermined level. The spreader arm is coupled to the two arms by shear bolts or pins. When the forces transmitted to the yoke are at or exceed the predetermined level, one or both of the shear bolts or pins is severed permitting the two arms to swing toward each other and thereby add effective length to the guying.Type: GrantFiled: March 3, 1983Date of Patent: January 21, 1986Assignee: International Telephone and Telegraph CorporationInventors: Arnold M. Milbright, Peter A. Hampe
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Patent number: 4485267Abstract: The invention relates to a system for the suspension of the conductors of a bundle in very high voltage electric lines, for instance 1000 KV lines, wherein each suspension support consists of a steel tube, or of a pair of steel tubes, parallel to the longitudinal axis of the bundle of conductors, onto which there is fixed at least one set of radially disposed brackets, each for the support of one of the sub-conductors of the bundle, the insulating catenaries of suspension to the poles of the line being also directly anchored to said tube and passing through the bundle.Type: GrantFiled: October 21, 1982Date of Patent: November 27, 1984Assignee: Iselfa S.r.l.Inventor: Giovanni Polizzotto
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Patent number: 4458102Abstract: A suspension system supports a plurality of high voltage electrical conductors forming part of a transmission line in a predetermined spaced pattern relative to one another. The system includes a rigid compression strut arranged to extend generally horizontally between a pair of spaced primary support points. A flexible tension member is suspended below the compression strut and has its opposing ends connected at said primary support points. When the tension member is loaded, it applies compression forces lengthwise of the strut. An array of insulators is disposed below the flexible tension member for supporting the plurality of electrical conductors in the preselected pattern relative to one another. At least certain of these insulators are connected to the tension member so that the latter bears a portion of the total loading imposed by the conductors.Type: GrantFiled: September 23, 1982Date of Patent: July 3, 1984Inventor: Herbert B. White
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Patent number: 4409428Abstract: In an overhead electric transmission system in which the phase conductors incorporate optical fibres, a joint between optical fibres of two phase conductors or between optical fibres of a phase conductor and an optical cable extending to a sub-station is enclosed within a fluid-tight metal housing. The housing is electrically connected to each phase conductor, is electrically insulated from earth, and has an external shape of such a form as to provide effective control of electrical stress. Preferably the metal housing is of hemi-spherical shape and is mounted on top of a porcelain insulator containing oil under pressure. Where an optical fibre connected at the joint is that of an optical cable, it passes into the metal housing through the oil filled porcelain insulator.Type: GrantFiled: May 27, 1982Date of Patent: October 11, 1983Assignee: BICC Public Limited CompanyInventors: Philip Dey, Ronald Dunkley, Graham Holden
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Patent number: 4409429Abstract: Risk of fracture of an optical fibre in an overhead stranded electric conductor having an optical fibre loosely housed in an elongate compartment extending throughout the length of the conductor when the conductor is subjected to a tensile load greater than that which the optical fibre is designed to withstand is substantially reduced by supporting the stranded conductor from each of two opposite sides of a tower by suspension means incorporating a weak link designed to fracture at a tensile load less than that which the optical fibre can withstand before fracturing. An excess length of the stranded conductor extends between fittings at which the suspension means are secured to the conductor, is arranged sinuously down one side face of the tower and, where the stranded conductor is an earth conductor, is detachably secured to the tower at spaced positions along its length by releasable clips.Type: GrantFiled: June 18, 1982Date of Patent: October 11, 1983Inventor: Bernard Gaylard
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Overhead electric power transmission line jumpering system for bundles of five or more subconductors
Patent number: 4323722Abstract: Jumpering of electric power transmission lines at a dead end tower. Two transmission line conductor bundles each contain five or more spaced apart subconductors (5) arranged in the shape of a cylinder having a circular cross section. The ends of each bundle of subconductors are attached with insulators to a dead end tower (1). Jumpering allows the electric current to flow between the two bundles of subconductors using jumper buses, internal jumper conductors, and external jumper conductors. One or more current collecting jumper buses (37) are located inside each bundle of subconductors with each jumper bus being attached to the end of a subconductor. Small-diameter internal jumper conductors (33) are located in the inherently electrically shielded area inside each bundle of subconductors with each subconductor (except ones having an attached jumper bus) having one internal jumper conductor connected between that subconductor's end and a jumper bus.Type: GrantFiled: September 24, 1980Date of Patent: April 6, 1982Assignee: The United States of America as represented by the United States Department of EnergyInventor: Paul F. Winkelman -
Patent number: 4277639Abstract: A high-voltage installation comprises a support structure including a supporting member from which at least one electrical high-voltage apparatus, for example a transformer or inductor, is suspended. The apparatus is suspended from the supporting member by at least one electrically-insulating suspension member, for example an insulator chain, which includes resilient means allowing relative movement between the apparatus and the supporting member.Type: GrantFiled: March 19, 1980Date of Patent: July 7, 1981Assignee: ASEA AktiebolagInventor: Karl E. Olsson
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Patent number: 4121045Abstract: A corona shield employing a jumper assembly is provided for tension insulator strings which comprises a plurality of jumper wires extending over the energized ends of an insulator string for shielding the ends thereof and line hardware on the energized side, thereby preventing corona discharge therefrom.Type: GrantFiled: September 7, 1977Date of Patent: October 17, 1978Assignee: NGK Insulators, Ltd.Inventors: Mankichi Yamada, Hiroshi Fujita
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Patent number: 4071882Abstract: In an electrical substation, the use of separate towers or poles to terminate overhead lines is obviated by using bus duct for this purpose. Isolated phase or metal-clad bus duct is erected to provide not only the electrically conductive path between the overhead lines and the associated electrical equipment, but also the mechanical strength necessary in order to eliminate the towers and poles of the prior art.Type: GrantFiled: November 24, 1976Date of Patent: January 31, 1978Assignee: Canadian General Electric Co., Ltd.Inventor: Robert Henry Rehder
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Patent number: 4057718Abstract: This invention relates to an arrangement for suspending lighting fittings and the like along or at traffic-routes and the like, comprising lines carried by standards and intended to carry or support the lighting fittings. The novelty lies in that the standards and the lines form two separate systems, wherein the line system is continuous along the traffic-route and releasably connected to the standard system so that the line system substantially remains in its elevated position even if part of the standard system is removed on e.g. a standard being struck by a vehicle.Type: GrantFiled: May 13, 1976Date of Patent: November 8, 1977Inventor: Lars David Svensson
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Patent number: 4014504Abstract: A hooking device for holding a cable from a suspended wire. The cable hooking device includes a pair of plates each having opposed end and lateral edges, which plates are bent outwardly on a same side at the end edges thereof and are disposed one over the other with respective end edges facing one another. Jaw means are provided on each plate at one end edge thereof, cooperating with one another to clamp the wire therebetween. The device further comprises releasable coupling means operable to bias the plates towards one another to secure the wire in clamping engagement between the plate jaw means, and at least one hooking member for holding the cable. The coupling means includes a bolt having a longitudinal axis extending perpendicularly of the plates between their opposed end edges.Type: GrantFiled: February 2, 1976Date of Patent: March 29, 1977Inventor: Isaac Sachs
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Patent number: 4013826Abstract: A high-voltage overhead transmission line with masts, insulator chains and conductor cables attached to high-strength guy lines and with ground wires is disclosed comprising a plurality of guyed masts with thrust footings forming support positions each with at least two support points in a plane normal to the conductor cables. Each guy line passes over at least two support points and is anchored to the ground at its ends. The guyed masts of each support position and the guy wires in the rigging field are tied together in an approximately horizontal plane by catenary-arranged insulators. The conductor cables are suspended from the network thus formed.Type: GrantFiled: July 9, 1975Date of Patent: March 22, 1977Assignee: BBC Brown, Boveri & CieInventor: Karl-Heinz Herzig
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Patent number: 3942031Abstract: This invention carries a power cable from a floating power plant to a fixed connection from which the power cable can transmit to a distributing system on shore. The cable support distributes the bending of the cable over a length of cable so that no deterioration of the cable occurs as the result of successive bending and unbending with the tidal motion of the floating power plant. A jointed cover protects the cable support from exposure to the weather and from icing.Type: GrantFiled: November 19, 1974Date of Patent: March 2, 1976Assignee: General Cable CorporationInventors: George Bahder, George S. Eager, Jr.