Class / Patent application number | Description | Number of patent applications / Date published |
174730100 | With joint or end structure conductive stress distributing means | 23 |
20080289848 | Data Transmission - The present invention relates to a system for data transmission over an electricity distribution network. The system comprises an electrical apparatus having a shielded electrical cable connected thereto. The cable has a core surrounded by a metallic sheath and armour surrounding the metallic sheath. The armour is disengaged from around the metallic sheath at a position where the cable enters the apparatus and is supported relative to the apparatus at a position spaced from that position such that a portion of the metallic sheath is exposed. | 11-27-2008 |
20090000803 | Synthetic material end for a DC electric cable - The invention relates to a synthetic material end for a DC electric cable. In the invention, the synthetic material end includes a composite insert that is placed between the inner insulator and the outer insulating sleeve of the cable, the insert generally being in the form of a sheath surrounding the inner insulator over a partially-stripped portion of the cable, and being made up of a resistive portion of high resistivity, and of a semi-conductive portion of lower resistivity, the interface between said resistive and semi-conductive portions forming a deflector, the end of the resistive portion that is remote from the deflector being electrically connected to the central conductor of the cable, and the end of the semi-conductive portion that is remote from the deflector being electrically connected to the outer semi-conductor of the cable. Application to making connections to high-voltage electric cables. | 01-01-2009 |
20090071684 | HIGH VOLTAGE POWER CABLE TERMINATION - The present invention discloses a geometry electrode in a shed stress cone of a high voltage power cable termination, one end of the geometry electrode being leaded into a conductor of the power cable and the other end being leaded into a composite insulator cladding the conductor, the composite insulator having a plurality of shed insulators formed of umbrella shape extending outwards, wherein the geometry electrode has a varying curvature radius along a direction from the conductor of the power cable to the composite insulator, with the curvature radius increasing gradually towards the composite insulator, and the geometry electrode extends at least to the position above the shed insulator. The present invention also discloses a shed stress cone and a high voltage power cable using the geometry electrode. Using the technical solution of the present invention, the same requirements of the electrical property could be satisfied, and the thickness of the composite insulator cladding the geometry electrode could be substantially reduced. Such a design could reduce the manufacturing cost, lower the difficulty of manufacturing, and reduce the time for installation. | 03-19-2009 |
20100175907 | POLYMER BUSHING AND CABLE TERMINATION USING THE SAME - A polymer bushing includes a conductor bar, a conductor insertion hole at a lower end, a rigid insulator around the outer circumference of the conductor bar and having a receiving port for a cable termination, a polymer covering around | 07-15-2010 |
20100200265 | CONNECTOR SHEATH AND CABLE CONNECTOR ASSEMBLY HAVING SAME - The present invention discloses a connector sheath ( | 08-12-2010 |
20100206604 | HIGH-VOLTAGE OUTDOOR BUSHING - An exemplary high-voltage outdoor bushing is disclosed which includes a conductor extended along an axis, a condenser core and an electrically insulating polymeric weather protection housing molded on the condenser core. The condenser core can contain an electrically insulating tape which is wound in spiral form around the conductor. Capacitance grading insertions can be arranged between successive windings of the tape. A cured polymeric insulating matrix embeds the wound tape and the capacitive grading insertions. A moisture diffusion barrier can be incorporated inside the condenser core prior to molding the weather protection housing. | 08-19-2010 |
20100288527 | DEVICE FOR ELECTRIC FIELD CONTROL - A device for controlling an electric field at a high voltage component including a resistive layer for field control, an insulating layer arranged on the resistive layer and a semi-conducting or conducting layer arranged on the insulating layer. The three layers meet at a triple point where the insulating layer ends. An interface between the resistive layer and the insulating layer makes in the triple point an angle to the semi-conducting or conducting layer of 60°-120°. | 11-18-2010 |
20100319955 | High Voltage Device - The invention relates to a high voltage device for providing electrical insulation of a conductor extending through the device. The device includes a hollow insulator; a conductor extending through the hollow insulator; a field gradient decreasing arrangement including a condenser core and a voltage grading shield. The condenser core and the voltage grading shield are arranged around the conductor inside the hollow insulator in a manner so that the voltage grading shield is arranged around at least part of the condenser core. | 12-23-2010 |
20110005801 | OCEAN BOTTOM CABLE AND SENSOR UNIT - An underwater ocean bottom cable constructed of a series of axially aligned cable segments alternately arranged with sensor units. The sensor units include an outer housing with an interior cavity in which a sensor module is suspended by a cradle. Vanes on the sensor module protrude through axially elongated openings in the outer housing to dig into the seabed to provide good seismic coupling between the seabed and pressure sensors and motion sensors housed in the sensor module. The outer sensor housing is split into complementary portions that clamp firmly onto the ends of adjacent cable segments. Stress members, such as high modulus fiber ropes, extend out the ends of adjacent cable segments. Axial channels formed in the intervening outer sensor housing on opposite sides of the sensor module receive the stress members, which, along with the cradle, provide seismic isolation between the cable segments and the sensor modules. | 01-13-2011 |
20110017488 | FIELD-CONTROLLED COMPOSITE INSULATOR AND METHOD FOR PRODUCING THE COMPOSITE INSULATOR - A field-controlled composite insulator uses materials which are greatly stressed by an inhomogeneous distribution of an electrical field across a surface thereof. One of the causes thereof is the structural configuration of the insulator. The field strength changes particularly in a region of fittings due to a transition from insulating materials of sheds and an insulator core to a metal material, due to a transition from ground potential at cross members or to a conductor potential at that location, where conductor cables are attached. A further cause is deposits of dirt, which stress an insulator overall. A field control layer is therefore disposed between the core and the protective layer in at least one section of the insulator. The control layer includes particles as a filler, which influence the electrical field of the insulator. A method for producing the composite insulator is also provided. | 01-27-2011 |
20110056723 | ELECTRICAL CABLE WITH STRENGTH MEMBER - A cord assembly for an electronic device includes a cord having an insulation layer with a first end and an exterior surface, as well as at least one electrical conductor extending within the insulation layer. A strength member also extends within the insulation layer and includes a first end extending beyond the first end of the insulation layer. A securing element couples the first end of the strength member with the first end of the insulation layer along the exterior surface. The strength member is pre-tensioned to carry any additional tensile loads on the cord, at least initially. The cord assembly may also include a strain relief member molded over the first end of the strength member and the securing element. | 03-10-2011 |
20110114358 | METAL FITTING INTEGRATION TYPE STRESS-RELIEF CONE AND A CABLE SEALING END USING THE SAME - A metal fitting integration type stress-relief cone is provided with a stress-relief cone which includes a cylindrical rubber-like elastic body on an outer circumference of a cable core and a metal fitting which surrounds the cable core and is integral with a low-voltage side of the stress-relief cone. The stress-relief cone is provided with a cylindrical semi-conducting body part at the low-voltage side and has a bell-mouthed electric-field stress-control part in an end of a high-voltage side, an insulating body part on the high-voltage side with a low-voltage side end concentric with the semi-conducting body part and a cylindrical insulation protective layer which is arranged continuously at the end of the low-voltage side of the insulating body part and is integral with the outer circumference of the semi-conducting body part | 05-19-2011 |
20110114359 | Device For Decreased Risk Of Dielectric Breakdown In High Voltage Apparatuses - A device including a corona shield, and at least one support element for connecting the corona shield to a high voltage apparatus. The at least one support element includes a semiconducting polymer, which, when in operation, acts as a resistance between the corona shield and the high voltage apparatus. Furthermore the support element is arranged to fix the corona shield to the high voltage apparatus. | 05-19-2011 |
20120292073 | HIGH-VOLTAGE BUSHING - An improved high-voltage duct has an electrically insulated winding body extending in a longitudinal direction and contains electrically conductive inserts wound about a winding core. The inserts are spaced apart from each other by insulation layers soaked in resin. A high-voltage conductor extends as a winding core in the winding body. A fastening flange is mounted on the winding body in a fastening area of the flange for assembly of the high-voltage duct, such that the duct can also be used for DC levels above 550 kV. Accordingly, the winding body contains different thicknesses in the fastening area thereof, so that areas of changes in diameter are configured in which the winding body contains different diameters at different locations along in a longitudinal direction thereof. | 11-22-2012 |
20130081851 | High Voltage Direct Current Cable Termination Apparatus - A direct current cable termination apparatus for terminating a high voltage direct current cable, the apparatus includes a current-carrying device including a terminal portion of the direct current cable, the cable including an electrical conductor, a electrically insulating layer located outside of the electrical conductor, and a conductive shield located outside of the insulating layer and the electrical conductor; and a housing including a tubular outer shell with an inner periphery and formed by an electrically insulating and polymer-containing material. The current-carrying device is adapted to extend in the axial direction of the outer shell. Along at least a part of the axial extension of the current-carrying device the outer shell extends axially with a space between its inner periphery and the current-carrying device. The housing is adapted to separate the space from an atmosphere outside the outer shell, and the space is filled with an electrically insulating fluid. | 04-04-2013 |
20130168125 | RELATIVE ANGLE SENSING DEVICE AND ELECTRIC POWER STEERING APPARATUS - A relative angle sensing device is provided with: a sensor that is contained in a housing in which a communication hole communicating inside and outside is formed, and outputs an electric signal according to a relative rotation angle between two rotary shafts coaxially arranged; an electric cable that transmits the electric signal outputted from the sensor to a device arranged at outside of the housing; an electric cable holding member that is fitted with the communication hole of the housing and that holds the electric cable; and an outer component that is arranged at a position outside the electric cable holding member in the communication hole of the housing. The outer component is provided with an introducing part that introduces the electric cable into inside thereof, and a plurality of exiting parts that make the electric cable having been introduced through the introducing part exit to outside in different directions. | 07-04-2013 |
20130292153 | Gas-Insulated Electrical Equipment Comprising At Least One Grading Shield For Ensuring Convection Exchange - A gas-insulated substation having an enclosure filled with dielectric gas under pressure, comprising one electrical conductor ( | 11-07-2013 |
20140069679 | Cable Termination Device, A Method For Prefabricating A Cable Termination Device And A Method For Achieving A Cable Termination - A cable termination device of the dry type, including an insulator housing with an upper end and a lower end and having a hollow interior, which lower end has an opening for insertion of the cable. The device further includes a stress controller device located inside the insulator housing and adapted to be mounted on a high voltage cable, and an electrically insulating gel filling at least part of the hollow interior of the insulator housing and surrounding at least part of the stress controller device. Further, the stress controller device extends from the lower end of the insulator housing and into the housing where it has a free end, whereby a space is formed between the stress controller device and an inner wall of the insulator housing. | 03-13-2014 |
20140116746 | Device For Electric Field Control - A device for controlling an electric field at a high voltage component includes an inner deflector electrically connected to live voltage component; a resistive layer adapted for field control, arranged along the high voltage component, and electrically connected to the live high voltage component and electrically connected to a grounded part, the resistive layer having a nonlinear current-voltage characteristics; an insulating layer extending but ending without reaching the end of the resistive layer; and a semi-conducting or conducting layer arranged on the insulating layer and extending towards the resistive layer and past the end of the insulating layer, thereby defining an outer triple point at the intersection of the resistive layer, the insulating layer, and the semi-conducting or conducting layer. The resistive layer has first, second, and third adjacent sections, wherein a portion of the first section extends below the inner deflector. | 05-01-2014 |
20140144669 | VEHICLE GROUNDING DEVICE - A vehicle grounding device includes an attachment member electrically conductive with a vehicle body, an attached member in which an electrical component is incorporated, and an insulator configured to include a conductor being electrically conductive with the electrical component, an insulative member covering the conductor, and a grounding terminal being electrically conductive with the conductor and protruded from the insulative member. The insulator is configured to be attached to the attached member. The grounding terminal is attached to the attachment member together with an attachment portion of the attached member by fastening with a conductive fastening member in a state that the grounding terminal is overlaid on the attachment portion of the attached member, so that the electrical component is grounded to the attachment member through the grounding terminal and the fastening member. | 05-29-2014 |
20140182878 | TERMINATION FOR ELECTRICAL CABLES AND METHOD FOR MANUFACTURING SUCH A TERMINATION - A termination for electrical cables may include: an outer insulation tubular body having a longitudinal axis; a conductive rod within the body; an elastomeric sleeve within the body and extending about an end portion of the rod; a connecting device within the sleeve, wherein the device is mechanically and electrically connected to the rod and is configured to mechanically and electrically connect to an electrical cable; a conductive tubular element within the body, configured to electrically connect to ground; a semi-conductive element within the tubular element and partially extending inside the sleeve on an opposite side to the rod with respect to the device; and at least one elastic conductive element radially interposed between, and in contact with, the tubular element and semi-conductive element, the at least one elastic conductive element configured to exert elastic force onto the semi-conductive element along at least one radial direction toward the axis. | 07-03-2014 |
20150083455 | PATCH CORDS FOR REDUCED-PAIR ETHERNET APPLICATIONS HAVING STRAIN RELIEF UNITS THAT RESIST ROTATIONAL LOADS AND RELATED STRAIN RELIEF UNITS AND CONNECTORS - Reduced-pair Ethernet patch cords include a twisted pair cable that has a pair of insulated conductors that are contained within a cable jacket. A connector is mounted on a first end of the cable. The connector includes a connector housing and a strain relief unit that is mounted on the cable at the interface between the cable and the connector housing. The strain relief unit includes a plurality of internal protrusions that contact the cable jacket. | 03-26-2015 |
20150083456 | CONDUCTIVE, VIBRATION DAMPENING ISOLATOR - The present invention is a conductive isolator including a damping structure, a conductive bridge component positioned within the damping structure, axial contact points between the damping structure and the conductive bridge component and radial contact points between the damping structure and the conductive bridge component. | 03-26-2015 |