Class / Patent application number | Description | Number of patent applications / Date published |
174006000 | EARTH GROUNDS | 26 |
20080217041 | Grounding Wire Structure Having Stainless Steel Covering and Method of Manufacturing the Same - The present invention provides a grounding wire structure having a stainless steel covering and a method of manufacturing the grounding wire structure. In the present invention, first and second hollow connection frames ( | 09-11-2008 |
20080308288 | Utility pole grounding plate - A utility pole grounding plate including a main section and a plurality of flaps. The main section has a general plate shape adapted to be connected around an outer curved surface of a utility pole. The flaps extend outward from an exterior side of the main section. The flaps are formed by material cut and bent from the main section such that the flaps are integral with the main section. The main section has apertures corresponding to the cut and bent material of the flaps. | 12-18-2008 |
20090084569 | ELECTRICAL SYSTEMS, FACILITIES, AND METHODS WITH POWER PEDESTALS HAVING EUFER GROUNDING - Power pedestals are provided with an electrical ground connection to rebar encased in a foundation slab of a facility to thereby establish a EUFER ground for the power pedestal. Many pieces of rebar may be present within the foundation slab and may be interconnected to form a rebar network. In addition to the EUFER ground provided by the rebar, other grounding techniques may also be included such as a ground ring formed by ground rods spaced around the foundation slab and interconnected by a buried conductor that encircles the foundation slab. The rebar may be electrically connected to the ground ring to establish the conductivity to the earth. The power pedestal and EUFER ground may be present at various facilities, such as those including outdoor electronics equipment closures such as remote terminals and base stations. | 04-02-2009 |
20090229847 | Earthing arrangement for a DC electrical system and a method of operating an earthing arrangement for a DC electrical system - An earthing arrangement for a DC electrical system ( | 09-17-2009 |
20090301747 | Ground Electrode - A land electrode for a high voltage direct current transmission system including a converter station with a grounding point. The land electrode is connected to the grounding point and includes a plurality of electrode sections. Each electrode section includes at least one electrode element. | 12-10-2009 |
20100175904 | Grounding vault - A grounding vault including a container with an open top. The container is formed from an electrically non-conductive material and is adapted for burial in the ground. The container is provided with an access port for the passage of grounding wires. The container is also provided with a pair of opposed slots adjacent the access port. A buss bar, formed of an electrically conductive material, is positioned so as to extend through the container. The buss bar has a pair of opposed ends for connecting to ground. The opposed ends extend respectively through the opposed slots in the container such that they project outwardly from the container. Between its opposed ends, the buss bar is provided with a number of bores for connecting the buss bar to grounding wires passing through the access port. A lid is removably positioned atop the container for closing the open top thereof. | 07-15-2010 |
20100224385 | APPARATUS, METHOD, AND SYSTEM FOR GROUNDING SUPPORT STRUCTURES USING AN INTEGRATED GROUNDING ELECTRODE - Disclosed herein are apparatus, methods, and systems for grounding outdoor light poles, as well as other structures, which may be exposed to lightning or other adverse electrical effects and may require a low impedance path to ground. Inventive aspects include a combination of apparatus integral to the pole or other structure and installation considerations whereby the ease of installation, reduction of onsite installation error, and reduction of impedance may be tailored to each installation. An apparatus can include a pre-installed earth grounding electrode at the lower end of the pole or structure to be inserted into the earth. A method can include installing an earth grounding electrode to/on/in a lower end of a pole or structure prior to insertion into the earth. | 09-09-2010 |
20100230125 | LAND ELECTRODE - A return path between a first HVDC station and a second HVDC station. A first electrode is connected to the first station and a second electrode is connected to the second station. The return path includes a first part including a first low resistive zone through the crust of the earth in which the first electrode is embedded. A second part includes the earth mantle. A third part includes a second low resistive zone through the crust of the earth in which the second electrode is embedded. | 09-16-2010 |
20120037393 | DEVICE FOR GROUNDING - Device for establishing an efficient grounding of an installation of different types includes one or more cables, wherein the ground rail or ground conductor, ground rails or ground conductors or ground point or ground points of the installation being grounded by the one or more cables including a combination of electrically conductive wires or conductors in at least one inner core and at least one outer layer which surrounds the inner core wholly or partly, and the cable or the cables are laid in one and the same or each in a separate bore in ground and/or rock of a considerable depth, preferably more than 200 m, e.g. 240 m or more. | 02-16-2012 |
20120168193 | Method for Vertically Grounding and Leading Down from Outer Side of Composite Material Pole Tower and Pole Tower Thereoff - A method for vertically grounding and leading down form an outer side of a composite pole tower and pole tower thereof, wherein the method includes the following steps: extending an upper metal cross arm from an extended line of at least one side of a ground wire cross arm, vertically leading down a ground down-leading wire from a distal end of the upper metal cross arm, connecting the ground down-leading wire to the pole tower via a lower metal cross arm at a distance under a lower lead, and grounding the ground down-leading wire along a tower body of the pole tower, wherein when an lower portion of the tower body is a metal pipe, the ground down-leading wire is selectively directly connected to the metal pipe via the lower metal cross arm. The method facilitates in compressing the width of the transmission corridor to a maximum extent as well as designing a lightning protection, preventing the ground down-leading wire from short-circuiting with the tower body, and realizing the insulation function of the composite material tower body. The manner of using unilateral ground down-leading wire saves material, and is economical and simple in structure. | 07-05-2012 |
20120168194 | Method for Vertically Grounding and Leading Down from Inner Side of Composite Pole Tower and Pole Tower Thereof - A method for vertically grounding and leading down form an inner side of a composite pole tower and pole tower thereof, wherein the method includes the following steps: extending an upper metal cross arm from an extended line of at least one side of a ground wire cross arm which is made of metal, vertically leading down a ground down-leading wire from a distal end of the upper metal cross arm, connecting the ground down-leading wire to the pole tower via a lower metal cross arm at a distance under a lower lead, and grounding the ground down-leading wire along a tower body of the pole tower, wherein when an lower portion of the tower body is a metal pipe, the ground down-leading wire is selectively directly connected to the metal pipe via the lower metal cross arm. The upper metal cross arm and the lower cross arm are able to provide a distance between the ground down-leading wire and the pole tower. The method enhances the ability of bearing lightning flashover, increases the insulating intensity to lightning impact, and prevents burning to composite insulator by power-flow current after lightning flash over. And also the method is easy and simple for application. | 07-05-2012 |
20120168195 | APPARATUS, METHOD, AND SYSTEM FOR GROUNDING SUPPORT STRUCTURES USING AN INTEGRATED GROUNDING ELECTRODE - Disclosed herein are apparatus, methods, and systems for grounding outdoor light poles, as well as other structures, which may be exposed to lightning or other adverse electrical effects and may require a low impedance path to ground. Inventive aspects include a combination of apparatus integral to the pole or other structure and installation considerations whereby the ease of installation, reduction of onsite installation error, and reduction of impedance may be tailored to each installation. An apparatus can include a pre-installed earth grounding electrode at the lower end of the pole or structure to be inserted into the earth. A method can include installing an earth grounding electrode to/on/in a lower end of a pole or structure prior to insertion into the earth. | 07-05-2012 |
20120211252 | Solar Panel Racking System with Integrated Grounding Bar Rail - A photovoltaic panel racking system with integrated grounding bars integrated with an extruded integrated rail. The integrated grounding bar enables grounding of photovoltaic panels to a racking system without the use of additional parts or tools. When photovoltaic panels are installed onto an integrated rail, the grounding bars perforate the anodized coating of the frame of the photovoltaic panels to make metal to metal contacts. The grounding bar may be attached to the underside of solar panel frames. Further, an integrated grounding bar rail reduces the number of roof penetration connections necessary for safe grounding of a photovoltaic system. In a ballast mounted photovoltaic panel system, ballast pans may be used to connect the integrated rails between adjacent rows of photovoltaic panels, thereby further reducing the number of grounding points needed to ground the system. | 08-23-2012 |
20120279744 | High Efficiency Ground Electrode - A ground electrode includes a base plate having an upper and a lower side. The ground electrode includes a plurality of tubes each having a first and a second end. The first ends of the tubes are connected to the lower side of the base plate. The tubes are tilted so that the second ends converge in the circular base of a cone. An admittance coupler is attached to the upper side of the base plate. The admittance coupler includes a body plate electrically connected to the base plate. Two arm plates and a head plate are connected to the body plate. The ground electrode includes a plurality of diffusers each circumferentially wrapping a section of a respective tube. | 11-08-2012 |
20130228357 | ELECTRICAL GROUND FAULT PROTECTION DEVICE - A ground fault protection device includes an electrically-conductive main body having downwardly-extending, ground-penetrating electrodes configured for minimal ground penetration. The device has one or more grounding terminals for connection of grounding cables, and may have handles for manual transportation. The device may be installed at a desired field location by applying downward force to the device to press the electrodes into the earth, thereby establishing an electrical connection between the grounding terminals and the ground via the main body and the electrodes. Grounding cables may then be connected between the grounding terminals and structures or equipment requiring grounding. Optionally, the main body may define a reservoir having a plurality of drainage ports. The reservoir may be filled with water, which will drip through the drainage ports and moisten the soil surrounding the electrodes, thereby decreasing the soil's electrical resistance and improving electrical conductivity between the electrodes and the soil. | 09-05-2013 |
20140083730 | GROUND ELECTRODE WITH MAGNETIC COUPLER - A ground electrode includes a base plate having an upper and a lower side. The ground electrode includes a plurality of tubes each having a first and a second end. The first ends of the tubes are connected to the lower side of the base plate. The tubes are tilted so that the second ends converge in the circular base of a cone. A magnetic coupler is attached to the upper side of the base plate. The magnetic coupler includes a body plate electrically connected to the base plate. Two arm plates and a head plate are connected to the body plate. A permanent magnet is wrapped around a section of the head plate. The ground electrode includes a plurality of diffusers each circumferentially wrapping a section of a respective tube. | 03-27-2014 |
20140238716 | UNDERWATER CONNECTION ASSEMBLY - An underwater connection assembly comprises an underwater device and an optical cable segment. The optical cable segment is configured to be coupled to a first sea earth by means of a first sea earthing electrode and the underwater device is configured to be coupled to a second sea earth by means of a second sea earthing electrode. In use, the first sea earthing electrode and the second sea earthing electrode are disposed at separated locations from each other. | 08-28-2014 |
20140360747 | Shield grounding device - A shield grounding device includes: a grounding angle steel ( | 12-11-2014 |
20150083453 | DEVICE FOR GROUNDING - A device for establishing grounding of an installation of different types includes one or more cables, wherein a ground rail or a ground conductor, ground rails or ground conductors, or a ground point or ground points are grounded by the one or more cables including a combination of electrically conductive wires or conductors in at least one inner core and at least one outer layer which surrounds the inner core wholly or partly, and a bore extending, in at least one of ground and a rock, with a depth of more than 100 m. The one or more cables are laid in the bore. The electrically conductive wires or conductors in the at least one inner core include hundreds of thin conductors surrounded by the at least one outer layer that includes coarse conductors having a diameter at least two times more than a diameter of the thin conductors. | 03-26-2015 |
20150107866 | LIGHT WEIGHT CABLE - A cable adapted for suspension between poles in a single wire earth return application is composed of three elements; a core | 04-23-2015 |
20160006222 | Site Grounding and Bonding System - A site grounding and bonding system provides for the grounding of a plurality of facilities at a field site using a ground box through which electrical connections are made between one or more ground devices and a distribution panel electrically connected to the facilities. The grounding devices may include one or more grounding plates and one or more ground rods buried beneath the earth. A bumper pole may be placed adjacent to the ground box and bonded to the grounding devices through the ground box. The system allows for the safe grounding of a number of facilities at a site without the necessity of placing separate grounding rods and connecting conductors for each facility. | 01-07-2016 |
20160134031 | TIMBER ACCESS MAT WITH GROUNDING - A timber access mat having an electrical grounding feature includes an electrically conductive cover layer that is removably carried over the top of the body of the timber access mat. The electrically conductive cover layer can be formed from one or more sheets of expanded metal such as expanded steel. The layer is joined to a perimeter frame that includes offset connector tabs that allow mats to be positioned side-by-side. The connector tabs are paired with cable guides to protect the cable leads that connect the mats. The perimeter frame and conductive cover layer can be added to traditional timber access mats when electrical grounding is required and then removed and stored when not required. | 05-12-2016 |
174007000 | Driving type | 4 |
20090183890 | APPARATUS, METHOD AND SYSTEM FOR DEEP EARTH GROUNDING - An apparatus and method for deep earth grounding includes positioning a power driver at a site, the power driver comprising a frame and an impact hammer operatively connected to the frame, adjusting placement of the impact hammer, raising the impact hammer, driving 10 foot sectioned grounding rods down into the ground at the site using the hammer, testing resistance, and determining if more additional grounding rods are necessary based on the resistance. A power driver device includes an open frame, guide rails operatively connected to the frame, an impact hammer operatively connected to the guide rails and moveable along the guide rails, and a hand crank assembly operatively connected to the frame and configured for raising the guide rails and the impact hammer up and down along the frame. | 07-23-2009 |
20120085563 | ELECTRICAL GROUND FAULT PROTECTION DEVICE - A ground fault protection device includes an electrically-conductive main body defining a reservoir having a plurality of drainage ports, and having downwardly-extending, ground-penetrating electrodes configured for minimal ground penetration. The device has handles for manual lifting and transportation, plus grounding terminals for connection of grounding cables. The device may be installed at a desired field location by applying downward force to the device to press the electrodes into the earth, thereby establishing an electrical connection between the grounding terminals and the ground via the main body and the electrodes. Grounding cables may then be connected between the grounding terminals and structures or equipment requiring grounding. Optionally, the reservoir may be filled with water, which will drip through the drainage ports and moisten the soil surrounding the electrodes, thereby decreasing the soil's electrical resistance and consequently improving electrical conductivity between the electrodes and the soil. | 04-12-2012 |
20150053451 | ELECTRICAL GROUND ROD CAP - A ground rod cap is provided. The cap includes a body that fits around a ground rod, ground rod clamp and ground wire at their point of connection. The body retains a filler material within an internal cavity. In some embodiments, a portion of the body acts as a barrier to retain the filler material. In some such embodiments, the filler material is positioned within the body prior to installation of the cap on the ground rod connection components. In some embodiments, the filler material is located in an airtight cavity until installation. In some such embodiments, a shrink-wrap material is placed around the body to make the cavity airtight. In other embodiments, the filler material is retained within at least a portion of the cap by an internal barrier that breaks as the cap is installed to allow the filler material to flow around the components. | 02-26-2015 |
20160126645 | ELECTRICAL GROUNDING DEVICE - An electrical grounding device comprises an elongate shaft with plate members projecting radially outward from a lower region of the shaft. The shaft and plate members are made of an electrically-conductive material, and are connected such that an electric current can flow between the plates and the shaft. The device is installed by boring a hole into the earth to a selected depth less than the length of shaft above the plates. The grounding device is inserted into the borehole and driven into the earth below the borehole until the upper end of the shaft projects a desired distance above the adjacent earth surface, leaving the shaft projecting sufficiently to allow connection of grounding cables. The borehole is preferably filled with gravel or other suitable fill material, and water may be added to the fill to enhance electrical conductivity between the device and the earth. | 05-05-2016 |