99results about "Cable conductor construction" patented technology

In some embodiments, a cable can include an electrically conductive inner core. A first insulation layer can be disposed about the inner core. An electrically conductive layer can be disposed about the first insulation layer. A second insulation layer can be disposed about the electrically conductive layer. A first polymer jacket can be disposed about the second insulation layer. The first polymer jacket can include a first layer of armor strength members disposed therein. A second polymer jacket can be disposed about the first polymer jacket. The second polymer jacket can include a second layer of armor strength members disposed therein. An outer polymer jacket can be disposed about the second polymer jacket. At least one of the first polymer jacket, the second polymer jacket, and the outer polymer jacket can be formed from an aliphatic polyketone polymer, an ethylene-propylene copolymer, a polyolefin elastomer, a polypropylene, or a cross-linkable polyethylene.

The invention relates to the technical field of radio-frequency coaxial cables, in particular to a large-specification thick-wall insulating layer physical foaming radio-frequency coaxial cable and a manufacturing method thereof.The foaming insulating layer is made of crosslinked polyethylene, the melt strength of the crosslinked polyethylene is high, and foam holes formed in the high-temperature foaming process are small in size and have the advantages of being uniform and compact; therefore, a foaming insulating layer which has a large wall thickness and is not easy to generate large bubbles can be formed. And meanwhile, the uniformity of bubbles in the foaming insulating layer is further ensured by utilizing a step-by-step cooling mode. Besides, the foaming insulation layer adopts a vertical production mode, the problems of foaming holes, hole stringing, out-of-round, eccentricity and the like caused by gravity in the horizontal production process of the foaming insulation layer are avoided, meanwhile, due to the vertical production mode, the foaming insulation layer is still kept in a circular ring shape and moves downwards along with traction of the conductor during extrusion, the roundness of the foaming insulation layer is kept, and the production efficiency is improved. And the attenuation performance of the product is further ensured.

The invention relates to a high-temperature-resistant and radiation-resistant armored coaxial radio frequency cable, which comprises a copper core, a first stainless steel tube, a silicon dioxide micro powder layer, a second stainless steel tube, a copper tube and an outer shielding protection tube which are sequentially arranged from inside to outside, the silicon dioxide micro powder layer is filled in a gap between the first stainless steel tube and the second stainless steel tube, the copper tube wraps the second stainless steel tube, and the outer shielding protection tube wraps the copper tube. The armored coaxial radio frequency cable is small in outer diameter, has good radiation resistance, high temperature resistance and high signal transmission stability, and can meet the insulation requirements of high-temperature scenes such as nuclear power and the like.

The invention relates to the technical field of cables, in particular to an ultrahigh-frequency low-loss longitudinal-hole PTFE insulated coaxial cable which comprises a composite conductive bar, a silver-plated copper flat belt, a PTFE insulating layer, a corrugated aluminum belt shielding layer and a sheath layer which are sequentially connected in a sleeved mode from inside to outside. Four identical longitudinal holes are formed in the PTFE insulating layer, and each longitudinal hole penetrates through the PTFE insulating layer along the extension direction of the PTFE insulating layer; each longitudinal hole is in a crescent shape; the longitudinal holes are distributed at equal intervals in the circumferential direction of the PTFE insulating layer; and each longitudinal hole is formed in the edge area, close to the outer ring, of the PTFE insulating layer. According to the cable, the transmission efficiency is improved by reducing signal attenuation, the service life is prolonged by improving the temperature resistance level, the inner conductor and the outer conductor are structurally adjusted to ensure that the cable has certain flexibility, and energy conservation and environmental protection are achieved by reducing the use amount of rare metal.

The invention relates to the technical field of water-cooled cables, and discloses a novel coaxial water-cooled cable, which comprises an outer sheath and a sealing mechanism, and is characterized in that the sealing mechanism comprises a connecting base, a limiting locking block, a locking bar, a contact ring groove, a spring, a contact ring, a connecting cover, a second limiting locking block, a second locking bar and the like; according to the device, stable mechanical locking is achieved through double clamping connection and friction contact of the limiting locking blocks, the locking strips and corresponding parts, the spring pushes the contact ring to be attached to the protruding connecting ring to form elastic sealing, the connection stability and the sealing performance are remarkably improved, and the sealing performance is greatly improved. The inner conductor is spirally wound, the outer conductor is annularly distributed, and the inner water pipe is used for circulating water cooling, so that the synergistic performance of electric conduction and heat dissipation is greatly optimized, the multi-layer insulation structure is matched with the outer sheath for protection, the insulation and protection performance is comprehensively enhanced, and the cable is suitable for a large-current transmission scene of high-power equipment.

A reelable support member for downhole operations comprising a plurality of composite strands and a filler matrix between the plurality of composite strands, wherein each composite strand comprises carbon fibres and epoxy; and a method of manufacturing the reelable support member by winding a plurality of composite strands around a core, each composite strand comprising carbon fibres and epoxy, and applying a filler matrix between the plurality of composite strands.

The systems, methods, and communication cables taught herein provide cryogenic cooling, high voltage connections, and other electrical connections to a sample on a stage within a vacuum environment while still enabling stage motion in at least five degrees of freedom with minimal stage vibration to achieve new or improved measurement applications in situ within a microscope, such as in-situ microscopy, in-situ microscopy, in-situ microscopy, in-situ microscopy, in-situ microscopy, in-situ microscopy, in-situ microscopy, in-situ microscopy, in-situ microscopy, in-situ microscopy, and in-situ microscopy. Such as atomic probe chromatography and testing of quantum computing components. The connection cables taught herein combine connections into a single connection cable within an outer spring suitable for use in ultra-high vacuum. These connection cables are also shaped and configured to maintain at least a minimum spacing distance from components in the surrounding environment (e.g., chamber walls and other equipment) to prevent mechanical, electrical and thermal shortcuts.

The present invention provides a cable for high-frequency signal transmission and a manufacturing method thereof. When transmitting high-frequency signals, it is difficult for the cable to attenuate, and even when bending and wiring high-frequency signals in a narrow space, the transmission characteristics are hardly reduced. The cable (1) for high-frequency signal transmission at least includes a conductor (2), an insulator (3) covering the periphery of the conductor (2), a coating layer (4) covering the periphery of the insulator (3), and a sheath (6) covering the periphery of the coating layer (4). Among them, an anti-cracking layer (7) is provided between the insulator (3) and the coating layer (4). The anti-cracking layer (7) is arranged in contact with the insulator (3) and has a coating layer (4) on its outer surface. The anti-cracking layer (7) is composed of a resin film (71). In response to the bending of the insulator (3), it bends while relatively moving in the cable length direction, thereby suppressing cracking of the coating layer (4).

The present invention relates to a cable (1) and a method of manufacturing such cable. The cable defines an axial length, the axial length depending on the use of said cable. The cable comprises a plurality of wound inner conductors, the inner conductors surrounded by an inner insulation tube (20). The cable further comprises an electrically conducting layer (30) surrounding the inner insulation tube, the electrically conducting layer surrounded by an outer jacket (40), the outer jacket defining the outer surface of the cable. Further, the cable comprises an antenna (30'), the antenna defined by a portion of the electrically conducting layer being exposed, due to a gap in the outer jacket.

The invention relates to a signal transmission wire harness and electronic equipment. The signal transmission wire harness comprises a first signal transmission assembly and a second signal transmission assembly, the first signal transmission assembly comprises a coaxial line, the second signal transmission assembly is connected with the coaxial line, and at least part of the second signal transmission assembly is of a flexible structure. According to the signal transmission wire harness provided by the embodiment of the invention, the signal transmission performance of the signal transmission wire harness is improved, and the bending performance of the signal transmission wire harness is also improved.

To provide a signal transmission cable whose transmission characteristics are not easy reduced when bent.SOLUTION: A signal transmission cable 1 comprising a conductor 2, an insulator 3 covering the circumference of the conductor 2, a shield layer 4 covering the circumference of the insulator 3, and a sheath 5 covering the circumference of the shield layer 4, wherein between the insulator 3 and the shield layer 4, a plating base layer 6 is provided so as to cover the circumference of the insulator 3, the shield layer 4 has a plating layer 41 formed so as to be in contact with an outer peripheral surface of the plating base layer 6 and so as to cover the plating base layer 6, and the surface roughness of the outer peripheral surface of the plating layer 41 is smaller than the surface roughness of an inner peripheral surface of the plating layer 41.SELECTED DRAWING: Figure 1

Electrical cables and optical waveguides are disclosed as including an electrically insulative foam. The electrically insulative foam can coat at least one electrical conductor of the electrical cable. The electrically insulative foam can coat the optical fiber of the waveguide. The electrically insulative foam can also define a waveguide.

The invention relates to a cable (1, 10, 20, 30) comprising a central electrical conductor (2) and a shielding layer (3) surrounding the central conductor (2) and forming a tubular sheath housing the conductor (2), the shielding layer (3) comprising a plurality of strands (31, 32, 33, 34) wound in a spiral manner around the central conductor (2) at a pitch greater than or equal to 100 mm in order to obtain a characteristic frequency greater than or equal to 1 MHz.

A cable assembly (1) for medical radio frequency or microwave ablation. The cable assembly includes a coaxial cable (2) with an inner conductor (3), encompassed by a dielectric layer (4), encompassed by an outer conductor (5). The cable assembly (1) further includes a first cooling line (6) and a thermal conductive layer (7), which in a cross-sectional view encompasses the coaxial cable (2) and the first cooling line (6) in a circumferential manner. The thermal conductive layer (7) is configured to reduce a thermal peak caused by the coaxial cable (2) when transferring energy, by distributing thermal energy around the coaxial cable (2) and the first cooling line (6) in a circumferential manner.

Provided herein is a shield cable that can inhibit a shield from being damaged when the shield cable is bent. The shield cable of the present disclosure includes a central conductor; an insulator situated closer to an outer circumference of the shield cable than the central conductor is; a first tape layer situated closer to the outer circumference of the shield cable than the insulator is, and made of a paper, a non-woven fabric, or a resin tape; a shield situated closer to the outer circumference of the shield cable than the first tape layer is; a second tape layer situated closer to the outer circumference of the shield cable than the shield is, and including a paper, a non-woven fabric, or a resin tape; and a sheath situated closer to the outer circumference of the shield cable than the second tape layer is.

An article of manufacture comprising a first section having a first dielectric material and a second section having a second dielectric material and provided on an outer surface of the first section. The second dielectric material of the second section is more flexible than the first dielectric material of the first section, and the second section comprises elements of an organic material located partially on an outer surface of the second section. A coaxial cable using the article of manufacture and a method of manufacturing of the article are also disclosed.

Electrical cables and optical waveguides are disclosed as including an electrically insulative foam. The electrically insulative foam can coat at least one electrical conductor of the electrical cable. The electrically insulative foam can coat the optical fiber of the waveguide. The electrically insulative foam can also define a waveguide.

The invention relates to a coaxial cable (1) for transmitting electric current in a high-voltage system of a motor vehicle comprising: - an inner conductor (2); - an outer conductor (4); - an inner insulating layer (3) arranged between the inner conductor (2) and the outer conductor (4); - and an insulating cable sheath (7); wherein the outer conductor (4) is designed to be able to transmit essentially the same electrical power as the inner conductor (2).In order to enable simplified contacting of the outer conductor (4), the invention provides that the individual wires of the outer conductor (4), viewed in a cross-sectional area of ​​the coaxial cable (1) normal to a cable axis (9) of the coaxial cable (1), are divided into at least three sector bundles (5), wherein the sector bundles (5) are dimensioned such that the inner conductor (2) is positioned eccentrically to the cable axis (9) in the cross-sectional area and wherein the inner conductor (2) and the sector bundles (5) of the outer conductor (4) are stranded together.

The invention provides a coaxial cable and a device testing apparatus which can be arranged at high density. The coaxial cable (40) is provided with a cylindrical outer conductor (45), an insulating part (44) covered by the outer conductor (45), and a plurality of inner conductors (41) arranged in the insulating part (44).

A cable includes at least one inner conductor and an insulation layer surrounding the inner conductor. An outer conductive layer surrounds the insulation layer and center conductor and includes a carbon nanotube substrate having opposing face surfaces and edges. One or more metals are applied as layer(s) to the opposing face surfaces and edges of the carbon nanotube substrate for forming a metallized carbon nanotube substrate. The metallized carbon nanotube substrate is wrapped to surround the insulation layer and center conductor for forming the outer conductive layer. Embodiments of the invention include a braid layer positioned over the outer conductive layer. The braid layer is woven from of plurality of carbon nanotube yarn elements made of a plurality of carbon nanotube filaments. The carbon nanotube filaments include a carbon nanotube core and metal applied as a layer on the carbon nanotube core for forming a metallized carbon nanotube filaments and yarns woven to form the braid layer.

The invention discloses a cable and a manufacturing method, and relates to the technical field of cables, the cable comprises at least one conductor core, and the cable also comprises a foaming material layer formed on the conductor core, a first aluminum foil twisted layer, a first copper woven mesh layer, a second aluminum foil twisted layer, a second copper woven mesh layer and an extrusion molding layer are sequentially arranged on the peripheral face of the foaming material layer from inside to outside, and first woven mesh holes of the first copper woven mesh layer and second woven mesh holes of the second copper woven mesh layer are distributed in a staggered mode. At least part of the extrusion molding material of the extrusion molding layer is embedded into the second woven mesh and is connected with the outer wall of the second aluminum foil stranded layer; and the profiling embedding part of the extrusion molding layer is embedded in the second woven mesh hole and is fixedly connected with the outer wall of the second aluminum foil stranded layer, so that the connection between the extrusion molding layer and the second copper woven mesh layer and the second aluminum foil stranded layer is tighter and firmer, the strength of the cable is higher, and the internal structure of the cable is stable.

Systems, methods, and communication cables taught herein provide cryogenic cooling, high voltage connections, and other electrical connections to a sample on a stage within a vacuum environment while still enabling stage motion in at least five degrees of freedom with minimal stage vibration to enable new or improved measurement applications in-situ within the microscope such as atom probe tomography and testing of quantum computing components. The connection cables taught herein combine connections into a single connection cable within an outer spring that is suitable for use in ultra-high vacuum. The connection cables are also shaped and configured to maintain at least a minimum standoff distance from components in the nearby environment (e.g., chamber walls and other equipment) to prevent mechanical, electrical, and thermal shortcutting.

The invention provides a shielded cable capable of suppressing damage to a shield when the shielded cable is bent. A shielded cable is provided with: a center conductor; an insulator disposed on the outer peripheral side of the center conductor; a first tape layer that is disposed on the outer peripheral side of the insulator and is composed of paper, a non-woven fabric, or a resin tape; a shield disposed on the outer peripheral side of the first tape layer; a second tape layer that is disposed on the outer peripheral side of the shield and is composed of paper, a nonwoven fabric, or a resin tape; and a sheath disposed on the outer peripheral side of the second tape layer.

A multi-directional radiation leaky coaxial cable, including an inner conductor, an insulating layer, an outer conductor and a sheath which are sequentially and coaxially nested from inside to outside. The outer conductor is provided with at least two rows of slotted hole groups, the at least two rows of slotted hole groups are distributed at different angles in a circumferential direction of the outer conductor, and each row of slotted hole group includes a plurality of slotted hole arrays which are periodically arranged along an axial direction of the outer conductor. Each slotted hole array includes a plurality of slotted holes, pitches of the slotted hole groups are the same, and a periodic arrangement difference of two adjacent rows of slotted hole groups in the circumferential direction is half a pitch, such that a phase difference of respective excitation electric fields is 180°.

A cable includes a pair of conductors extending longitudinally and spaced apart from each other, an inner insulating layer circumferentially extending around an outside of the conductors and fixing the conductors, a conductive shielding layer circumferentially extending around an outside of the inner insulating layer, and an insulating sheath extending around an outer peripheral surface of the conductive shielding layer. The insulating sheath is at least one of an extruded layer and a heat shrinkable sleeve.

The present invention discloses an LNG ultra-low temperature direct current type medium voltage coaxial cable, comprising an inner conductor, a shield, an insulating layer, an insulating shield, an outer conductor, a copper tape wrap, a wrapping tape, a glass fiber protective layer and an outer sheath arranged in sequence from the inside to the outside, the inner conductor and the outer conductor respectively adopt a compact wire twisted structure, and the outer diameter of the inner conductor is not more than 6.9 mm. The LNG ultra-low temperature direct current type medium voltage coaxial cable provided by the present invention has an inner conductor and an outer conductor that are twisted compactly, and under the condition of equal cross-sectional resistance, the outer diameter is smaller than that of a conventional twisted conductor, the obtained cable has a small outer diameter, low cost, convenient installation and use, a smoother surface and no gaps, the outer conductor and the inner conductor are interconnected inside and outside, and the inner conductor shields and equalizes the electric field strength of the inner conductor, and the cable does not break down in a DC withstand voltage test of 21kV / 5min and does not crack when stretched at an ultra-low temperature of ‑276°C, is not prone to heat overload, has stable electrical properties, and has a long service life, and is suitable for ultra-low temperature occasions.

To provide a shield cable capable of suppressing damage to a shield when the shield cable is bent.SOLUTION: The shield cable includes: a central conductor; an insulator arranged on the outer peripheral side of the central conductor; a first tape layer arranged on the outer peripheral side of the insulator and formed of paper, a nonwoven fabric, or a resin tape; a shield arranged on the outer peripheral side of the first tape layer; a second tape layer arranged on the outer peripheral side of the shield and formed of paper, a nonwoven fabric, or a resin tape; and a sheath arranged on the outer peripheral side of the second tape layer.SELECTED DRAWING: Figure 2

A method of manufacturing one or more coaxial assemblies includes forming a first panel member and a second panel member by diffusion bonding sheets formed of a metal material, disposing one or more conductive elements between the first panel member and the second panel member at locations corresponding to the one or more coaxial assemblies, bonding the first panel member to the second panel member to form an assembly structure including a plurality of coaxial assemblies, and separating the one or more coaxial assemblies from the assembly structure. The bonding includes disposing a conductive epoxy, a conductive solder, or a layer formed of the conductive epoxy or the conductive solder and between the first panel member and the second panel member.

Electrical cables are disclosed can include at least one electrical conductor, an inner electrical insulator that surrounds the at least one electrical conductor, and an electrical shield disposed about the inner electrical insulator. The electrical cables can include an electrically conductive material disposed between adjacent layers of the electrical cable. In one example, an electrical coating can be disposed in the electrical shield, for instance, in regions of overlap. Flowable electrically conductive materials are also disclosed that can flow into gaps during operation of the electrical cable.

To provide a coaxial cable having excellent shieldability and processability of an external conductor.The above-described problem is solved by a coaxial cable comprising a center conductor (11), an insulator (12) provided on an outer periphery of the center conductor (11), an external conductor (13, 14) provided on an outer periphery of the insulator (12), and an outer coated body (15) covering the external conductor (13, 14). The external conductor (13, 14) is constituted by the lateral winding shield (13) provided with metal fine wires laterally wound on the outer periphery of the insulator (12), and the metal layer double-sided resin tape (14), with metal layers disposed on both sides, wound on the lateral winding shield (13).