Prysmian S.p.A. Patente

A dynamic power cable (100) is described, comprising: - at least one cable core (110) comprising an electric conductor (115) surrounded by an insulating system (200) ; - a metal layer (120) in the form of a metallic foil (121) folded around the cable core (110) along a longitudinal direction (A), wherein the metal layer (120) is made of a copper-tin alloy having a tin content of from 0.5% to 14% by weight, with respect to the alloy total weight.

The present disclosure relates to a fluid cooling system (1) for a fluid cooled server system (100), comprising: - a fluid cooler device (2); - a power cable (3) configured for providing electric power to the server system (100), the power cable (3) containing at least one inner supply conduit (4) for conveying a cooling fluid from the fluid cooler device (2) to the server system (100); and - a return conduit (5) for conveying the heated cooling fluid from the server system (100) to the fluid cooler device (2), wherein the return conduit (5) is physically distinct and separated from the power cable (3).

RFID detection system (100) for a power cable accessory comprising: - an enclosure (110) having an outer surface (111) configured to be attached to an inner surface of a tubular casing (220, 320) of a power cable accessory (200, 300), said enclosure (110) being made of a resin; - an electronic processing and control unit (120) encapsulated in said enclosure (110), said electronic processing and control unit (120) being configured to realize a passive RFID tag; - one or more sensors (130) connected to the electronic processing and control unit (120) and uncovered by the enclosure (110) thus being at least partially exposed to the environment outside said enclosure (110).

An optical fiber splice tray (1) for an optical termination box comprising: a base (10) configured to be connected to the optical termination box (100), the base (10) having a splicing area (11) for retaining optical fiber splices and a routing area (12) for passage of optical fibers from and towards the splicing area (11); the base (10) comprising a first base portion (20) and a second base portion (30); a side wall (40) projecting from the base (10) and surrounding the splicing area (11) and the routing area (12); a connecting member (50) associated to the first base portion (20) and defining a rotation axis (X-X) to pivotally connect the base (10) to the optical termination box (100); the second base portion (30) is bent with respect to the first base portion (20).

An HV, EHV or MV power cable (10) comprising at least one insulated conductive core, a metallic screen (14) surrounding the at least one insulated conductive core (12), a sheath (16) surrounding the metallic screen (14), and at least one optical fiber element (40). The optical fiber element(s) (40) is/are embedded in and surrounded by the sheath (16) in a position that is radially outward from and spaced from the metallic screen (14), helically or SZ stranded around the metallic screen (14). The optical fiber element(s) is/are dielectric and comprise(s) at least one tube surrounding one or more optical fibers, and an element jacket surrounding the tube(s). A process for manufacturing the HV, EHV or MV power cable.

An optical fiber cable (10) comprising an optical core (12) comprising at least one tube (14) containing at least one optical fiber (16). At least one protecting layer (42, 44) surrounding the optical core (12) is made of an elastomeric polymer material. The elastomeric polymer material has a density of from 1.2 to 1.4 g/cm<3>. The elastomeric polymer material has Shore A hardness of at most 70.

The present disclosure relates to a cable termination (1) comprising:- a base (4);- a top part (9);- a tubular insulator body (13) extending according to a longitudinal axis (A1) between the base (4) and the top part (9);- a temperature sensor device (2) for measuring temperatures along the cable termination (1), comprising at least one optical fiber (12) wound around the tubular insulation body (13); and- an electrically insulating outer sheath (5) covering the tubular insulator body (13) and the at least one optical fiber (12) wound thereon,wherein the at least one optical fiber (12) comprises a helically wound first length (12'), extending from the base (4) to the top part (9), a helically wound second length (12"), extending from the top part (9) to the base (4), and a loop portion (12‴) near the top part (9), where the first length (12') joins the second length (12"), wherein the first length (12') and the second length (12") are parallelly arranged side by side spaced with an axial spacing (Δz), forming subsequent couples of coils axially spaced with an axial pitch (Δp).

A power cable comprising at least one electrical conductor and an electrically insulating system comprising: an inner semiconducting layer surrounding the electrical conductor, an electrically insulating layer surrounding the inner semiconducting layer, an outer semiconducting layer surrounding the electrically insulating layer. At least the electrically insulating layer is made of a thermoplastic polymer material comprising at least one copolymer of ethylene with at least one C₄-C₈ alpha-olefin comonomer, wherein: the at least one C₄-C₈ alpha-olefin comonomer is present in the copolymer in an amount of from 1 to 10 mol%, for example from 1.5 to 5 mol%; the copolymer has a density of from 0.880 g/cc to 0.930 g/cc, for example from 0.900 g/cc to 0.925 g/cc; the copolymer has a melting profile, determined by Differential Scanning Calorimetry (DSC), which includes a melting peak, corresponding to the maximum melting temperature of the melting profile, which defines a melting enthalpy up to 50% of the overall melting enthalpy. Such thermoplastic polymer material, which is recyclable, has improved thermal conductivity as well as good mechanical and electrical performance.

A cable gland (1) for an optical closure (100) comprising: a gland body (10) configured to be inserted at least in part in an optical closure channel (110) of the optical closure (100) along an insertion direction (X-X) and to define at least one cable channel (2) for passage of optical cables, the gland body (10) comprising: a first gland member (20) configured to be attached to the optical closure (100); a second gland member (30) coupled with the first gland member (20); a deformable member (40) arranged between the first and second gland member (20, 30); a retaining arrangement (50) configured to retain the gland body (10) along the insertion direction (X-X) and to mutually approach the first gland member (20) and the second gland member (30) to radially deform the deformable member (40) and generate a sealing action of the deformable member (40) in the optical closure channel (110), the retaining arrangement (50) comprises a first retaining member (60) retained in the first gland member (20); a second retaining member (70) retained at least in part in the second gland member (30) and configured to engage the first retaining member (60) passing through the deformable member (40) to mutually approach the first and second gland members (20, 30).

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A gripping device (1) for retaining a cable (2), the gripping device (1) comprising a base (3), two opposed gripping arms (10, 20) projecting from the base (3) towards respective end portions (11,21) along an insertion direction (Z-Z) and mutually spaced apart along a transversal direction (Y-Y) perpendicular to the insertion direction (Z-Z), the gripping arms (10, 20) having retaining portions (12, 22) configured to receive the cable therebetween and insertion portions (13, 23) configured to allow insertion of the cable (2) towards the retaining portions (12, 22), first protrusions (30) projecting from the retaining portions (12, 22), extending along a first direction (A-A) angled with respect to the insertion direction (X-X) and configured to act on the cable (2) to retain the cable (2) between the retaining portions (12, 22). The gripping device (1) comprises second protrusions (40) projecting from the insertion portions (12, 23) and extending along a second direction (B-B) angled with respect the insertion direction (Z-Z), each second protrusion (40) being tapered along the insertion portion (Z-Z) towards the respective end portion (11, 21).

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