The present invention relates to a pulling eye for a submarine cable, a method of installing the pulling eye for a submarine cable, and a submarine cable including the pulling eye.

An embedded housing system storing cables below the surface in a protected environment, with a moveable surface lid lying flush with the existing surface and following the crown or slope across the travel path. The cables are readily raised out of the housing structure to obstruct traffic across the travel path, or lowered into the housing system to allow unobstructed traffic passage. Single cables, multiple cables, and utility lines can be enclosed and remain protected within the housing support structure. Once raised, the cables can be attached to an end support. The housing support structure is prefabricated in sections, selectively attached to match the existing crown or slope across the travel path, and then installed below the surface. The flush surface lid of the cable housing structure is only about 8 inches wide, and can be locked while in the closed position. Surface lid sections remain connected while opening simultaneously across the sloping travel path, using an interlocking mechanism. Rain water is inhibited from entering the housing support structure by the surface lid, but if it seeps inside, it will drain away by gravity. Ice and snow is melted by a heating device.

An embedded housing system storing cables below the surface in a protected environment, with a moveable surface lid lying flush with the existing surface and following the crown or slope across the travel path. The cables are readily raised out of the housing structure to obstruct traffic across the travel path, or lowered into the housing system to allow unobstructed traffic passage. Single cables, multiple cables, and utility lines can be enclosed and remain protected within the housing support structure. Once raised, the cables can be attached to an end support. The housing support structure is prefabricated in sections, selectively attached to match the existing crown or slope across the travel path, and then installed below the surface. The flush surface lid of the cable housing structure is only about 8 inches wide, and can be locked while in the closed position. Surface lid sections remain connected while opening simultaneously across the sloping travel path, using an interlocking mechanism. Rain water is inhibited from entering the housing support structure by the surface lid, but if it seeps inside, it will drain away by gravity. Ice and snow is melted by a heating device.

A member for use in undersea applications comprising a plurality of conduits assembled into a bundle; the bundle being wrapped with a pressure-sensitive tape comprising a backing, a layer of corrosion-resistant filaments on one surface of the backing, and pressure-sensitive adhesive layer that coats the filaments and binds them to the backing.

An underwater data center system includes a data center is positioned in a water environment and powered by one or more sustainable energy sources. One or more processors are coupled to the data center or included in the data center. A controller is coupled to the one or more data center nodes. A housing member houses the one or more processors under water. One or more cables are coupled to the one or more data center nodes or the sustainable energy source. One or more cable monitoring devices detect a state of the one or more cables.

An underwater data center system includes a data center is positioned in a water environment and powered by one or more sustainable energy sources. One or more processors are coupled to the data center or included in the data center. A controller is coupled to the one or more data center nodes. A housing member houses the one or more processors under water. One or more cables are coupled to the one or more data center nodes or the sustainable energy source. One or more cable monitoring devices detect a state of the one or more cables.

An overcurrent protection circuit includes an amplifier configured to amplify an inter-terminal voltage of a shunt resistor, an offset application circuit configured to allow the amplifier to provide an output with a predetermined offset voltage additionally applied thereto, a first comparator that compares an output voltage from the amplifier with a predetermined first reference voltage higher than the offset voltage to output a through-current sensing signal when the output voltage from the amplifier is higher than a first reference voltage, and an amplifier failure determination circuit that compares the output voltage from the amplifier with a predetermined second reference voltage that is higher than zero and lower than the offset voltage to output an amplification circuit failure determination signal corresponding to a result of the comparison.

An inductive wiring system for the power supply of wireless devices running a two-way wiring with the outgoing wire placed together with the return wire. Thus, for supply beacons placed on pavements or walls, a groove is formed in the pavement or wall, except at those points where the beacons will be placed. At these points, a loop of wire will be coiled one or several times that will generate a variable magnetic field in its vicinity, transferring energy wirelessly to other devices through electromagnetic induction. To ensure that the inductive value of this wire loop can be predetermined, and is not random, a solid support part will be used on which the wire will be coupled so that the wire loops adopt a homogeneous shape and, therefore, said wire loops will have almost the same value of inductive coefficient.

A power cable for an electrical submersible well pump has at least one insulated conductor and an armor strip wrapped in helical turns around the conductor. The armor strip has a steel layer and a first polymer layer bonded to a first side of the steel layer. Each of the helical turns of the armor strip overlaps with another of the helical turns, causing the first polymer layer of each of the helical turns to form a seal with of a next one of the helical turns. A second polymer layer may be bonded to a second side of the steel layer. The second polymer layer of each of the helical turns overlies in sealing contact with the first polymer layer of the next one of the helical turns.

A power cable for an electrical submersible well pump has at least one insulated conductor and an armor strip wrapped in helical turns around the conductor. The armor strip has a steel layer and a first polymer layer bonded to a first side of the steel layer. Each of the helical turns of the armor strip overlaps with another of the helical turns, causing the first polymer layer of each of the helical turns to form a seal with of a next one of the helical turns. A second polymer layer may be bonded to a second side of the steel layer. The second polymer layer of each of the helical turns overlies in sealing contact with the first polymer layer of the next one of the helical turns.