Class / Patent application number | Description | Number of patent applications / Date published |
174002000 | LIGHTNING PROTECTION | 38 |
20080230249 | System for Conducting Away Lightning Currents and/or Fault Currents - The invention relates to a system ( | 09-25-2008 |
20090038819 | Wind Turbine Lightning Connection Means Method and Use Hereof - The invention relates to a wind turbine ( | 02-12-2009 |
20090056968 | Lightning Protection System For A Wind Turbine Rotor Blade And A Method For Manufacturing Such A Blade - The invention relates to a wind turbine rotor blade comprising a blade tip and a lightning protection system. The rotor blade includes at least one lightning receptor at the surface of the blade in an external distance (L | 03-05-2009 |
20090139739 | Lightning Protection System for a Wind Turbine Blade - The invention relates to a lightning protection system for a wind turbine blade, where the blade is a shell body made of a composite material and comprises a root area and a tip end. The lightning protection system comprises at least one lightning receptor arranged freely accessible in or on the shell unit surface on or in the immediate vicinity of the tip of the blade, and a lightning conductor made of electrically conductive material extending within the shell body along substantially the entire longitudinal direction of the blade. The lightning receptor and the lightning conductor are electrically connected by means of a connection area. The lightning conductor in its entire longitudinal direction as well as the connection area between the lightning conductor and the lightning receptor are electrically insulated in order to prevent lightning striking through the surface of the blade. | 06-04-2009 |
20090159306 | Lightning protection system and an aircraft having such a system - A lightning protection system for a composite structure has an outer surface designed to be subject to an air flow. This system has an electrically conductive strip and fasteners from the strip to the structure. | 06-25-2009 |
20090272557 | EARTHING SYSTEM FOR A WIND TURBINE CONNECTED TO A UTILITY GRID AND FOR A WIND TURBINE PARK - The invention relates to an earthing system for a wind turbine connected to a utility grid. The wind turbine comprises at least one electric system such as low or high voltage power systems and cables ( | 11-05-2009 |
20100006312 | LIGHTNING PROTECTION DEVICE FOR A WIND TURBINE BLADE: WET/DRY GLOW-BASED STREAMER INHIBITOR - A lightning protection device for reducing exposure of a wind turbine blade to conventional and upward lightning strikes, the device includes a support structure adapted to be grounded for mounting on the blade. The protection device also has a set of grounded space charge producing conductors attached to the support structure and arranged therewith to form a space charge producing element for producing space charge of opposite polarity to a cloud charge. Each space charge producing conductor has a diameter not exceeding 0.1 mm for reducing a corona inception voltage of the support structure upon which each space charge producing conductor is arranged, in both dry and wet conditions. | 01-14-2010 |
20100108342 | LAYERED STRUCTURE WITH OUTER LIGHTNING PROTECTION SURFACE - An improved layered structure with an outer lightning protection surface is provided. The layered structure may include an expanded metal foil processed to reduce the number, severity, or the number and severity of stress concentration sites, thereby reducing micro-crack initiation sites. Chemical etching, mechanical micro-deburring processes, or both may be used to address stress concentration sites on the expanded metal foil. | 05-06-2010 |
20100147546 | EXPANDED METAL LIGHTNING PROTECTION FOILS WITH ISOTROPIC ELECTRICAL RESISTANCE - The present disclosure provides an expanded metal having substantially isotropic electrical resistance in at least two dimensions. Also disclosed are a composite structure comprising an expanded metal as disclosed herein and a lightning protection system comprising the expanded metal. Methods for manufacturing the expanded metal are also disclosed. | 06-17-2010 |
20100212925 | LIGHTNING DIRECTING SYSTEM - A lightning direction device is provided. The lightning direction device includes a drag member, a pendant mass and a conductor. The drag member is configured to have a select amount of wind resistance. The pendant mass has a select weight and shape. Moreover, the conductor is coupled between the pendant mass and the drag member. | 08-26-2010 |
20100263897 | Grounding assembly - A grounding assembly for electronic equipment provides a discharge path for the energy arising from lightning strikes. A conductive strap connects the ground lug of the equipment to a ground plate buried in the earth. The conductive strap has a length, width and thickness, with the width being greater than the thickness. This reduces the inductance of the conductor from the controller to the ground plate, thereby enhancing the ability of the grounding assembly to dissipate energy from lightning strikes. | 10-21-2010 |
20100263898 | LIGHTNING PROTECTION SHEET WITH PATTERNED CONDUCTOR - A lightning protection system is provided, typically for use on an outer surface of an aircraft, which includes the use of a lightning protection sheet that includes an electrically conductive film patterned into a plurality of hill features. The lightning protection sheet may additionally include an electrically non-conductive discriminator layer over the electrically conductive film. | 10-21-2010 |
20100319948 | Avionics Chassis - An avionics chassis comprises a composite housing, a radio wave shield, and a lightning strike conductive path, wherein the radio wave shield attenuates electromagnetic interference entering and leaving the housing, and the lightning strike conductive path directs the current from a lightning strike away from an interior of the housing. | 12-23-2010 |
20110011611 | Polarized lightning arrestors - Systems and methods for dynamically defending a site from lightning strikes are provided. The systems and methods involve dynamically altering electrostatic fields above the site and/or dynamically intervening in lightning discharges processes in the vicinity of the site. | 01-20-2011 |
20110056718 | ANTI-LIGHTNING SYSTEM AND AIRCRAFT COMPRISING SUCH A SYSTEM - An anti-lightning system for a composite structure having an external surface liable to be subjected to an air flow, the aforementioned system including at least one electrically conducting strip and fasteners fastening the aforementioned strip to the structure, the aforementioned strip being electrically connected to an electrical earth for removing current. According the disclosed embodiments, the aforementioned strip has a shape intended to collaborate with a housing created at the aforementioned external surface so that the external surface of the strip lies flush with the aforementioned external surface of the structure, and the aforementioned fasteners include an upper part flush with the external surface of the strip. | 03-10-2011 |
20110088923 | COMPOSITE MATERIALS - A composite material, the composite material comprising at least one prepreg, said prepreg comprising at least one polymeric resin and at least one fibrous reinforcement; and conducting particles dispersed in the polymeric resin. | 04-21-2011 |
20110232934 | Arrangement for directing a lightning current within a wind turbine - The present invention relates to an arrangement for directing a lightning current within a wind turbine. The arrangement includes a first component, a second component, a contact element and a guideway. One of the two components is arranged moveably in relation to the other. The contact element is arranged in a way that the first component is electrically connected to the second component in order to direct a lightning current within the wind turbine. The contact element is guided moveably by the guideway. According to the invention, the guideway is at least partly integrated in the first component. | 09-29-2011 |
20120168192 | Method for Vertically Grounding and Leading Down from Center of Composite Pole Tower and Pole Tower Thereof - A method for vertically grounding and leading down form a center of a composite pole tower includes the following steps: extending a ground down-leading wire from a center of a ground wire cross arm which is made of metal and is positioned on top of the pole tower, wherein the ground down-leading wire is vertically leaded down to the earth form the center of the composite pole tower, wherein when an lower portion of the tower body is a metal pipe, the ground down-leading wire is extended from the center of the composite material and is directly connected to the metal pipe. The method utilizes the advantage of the insulating intensity of the wall of the composite pole tower and enhances the insulating intensity of the transmission line on impact of lightning. The ground down-leading wires are prevented from short-circuiting with the tower body of the composite pole tower, so that advantage of the insulating property of the composite material of the pole towers is realized. Since the ground down-leading wire is penetrated through center of the pole tower, so that the ground down-leading wires are not exposed and are prevented from destroying by external force. And also the method is easy and simple for application. | 07-05-2012 |
20120205133 | LIGHTNING PROTECTION SYSTEM - A lightning protection system for a tower of a wind turbine is provided. The tower includes a reinforced concrete tower wall in which a plurality of electrically conductive structural reinforcing elements are embedded during construction. The lightning protection system includes a plurality of the structural reinforcing elements connected in an electrically conductive manner with each other and with a ground terminal. Further, a method of incorporating such a lightning protection system in a reinforced concrete tower, and a wind turbine with such a lightning protection system is provided. | 08-16-2012 |
20130092410 | ENCAPSULATED EXPANDED CRIMPED METAL MESH FOR SEALING, EMI SHIELDING AND LIGHTNING STRIKE APPLICATIONS - A composite gasket for sealing, lightning strike protection and EMI shielding is provided. The gasket has a resilient conductive mesh sheet embedded with an elastomer gel layer. The conductive mesh is corrugated to provide a series of repeating waveforms, providing the gasket with a lower deflection force, better corrosion resistance, protection against lightning strikes and a higher EMI shielding capability. A second elastomer can be used around the edge portions of the gasket for improved abrasion resistance and increased tensile strength. A fiberglass sheet can be incorporated in the mesh for added reinforcement and support. The gaskets of the invention can be used on external aircraft components, such as external aircraft antenna mounts. | 04-18-2013 |
20130098651 | LIGHTNING PROTECTION STRUCTURE OF BLADE FOR WIND POWER GENERATION - A blade for wind power generation includes a lightning receptor configured to form a part of the surface of the blade, and a lightning receiving protrusion that protrudes outward from the surface of the lightning receptor. The lightning receiving protrusion is provided to a surface boundary between the blade and the lightning receptor. The surface boundary configured to protect against the lightning is positioned within a radius of a circle, which is centered on a tip of the lightning receiving protrusion and which has a radius of twice the length of the lightning receiving protrusion. A point where electric field concentration on the surface of the lightning receptor is greatest is moved from the boundary to the tip of the lightning receiving protrusion, so as to significantly reduce a possibility of blade damage associated with lightning striking the boundary when being stroke by the lightning. | 04-25-2013 |
20130105190 | MULTILAYER LIGHTNING STRIKE PROTECTION MATERIAL | 05-02-2013 |
20130118770 | Method for the automated manufacture of a fibre composite component with integrated lightning protection, and also a fibre composite component - A method for manufacturing a fiber composite plastic component with integrated lightning protection. The steps include, for a positive mold, automatically laying down a ribbon-form pre-preg material or dry ribbon-form reinforcing fiber strands onto the mold. Then, automatically laying down a ribbon-form lightning protection material onto the pre-preg material or the reinforcing fiber strands. For a negative mold, the steps include automatically laying down the lightning protection material on the negative mold, then automatically laying down the pre-preg material or the dry reinforcing fiber strands onto the positioned lightning protection material. The method also includes curing the laminate construction formed with the pre-preg material and the lightning protection material to form the fiber composite component, or infiltrating the dry reinforcing fiber strands with a plastic, and subsequently curing the laminate construction formed with the infiltrated reinforcing fiber strands and the lightning protection material to form the fiber composite component. | 05-16-2013 |
20130213685 | Composite Layers with Exposed Reinforcement - A composite structure comprising a matrix and a reinforcement. The matrix comprises a substantially nonconductive material. The reinforcement comprises a conductive material. The reinforcement is located within the matrix to form a composite layer. A portion of the reinforcement is exposed at a surface of the composite layer such that electrical conductivity of the composite layer is increased in a direction substantially perpendicular to the composite layer. | 08-22-2013 |
20140096991 | COUPLING STRUCTURE FOR AIRFRAME COMPONENTS - Provided is a coupling structure for airframe components that is capable of ensuring sufficient lightning protection capability. A conductive pattern part | 04-10-2014 |
20150315810 | LIGHTNING PROTECTION AND SAFETY RAIL SYSTEM - A lightning protection and safety rail system comprising a number of bases, vertical posts, horizontal rails, caps, mounting brackets, and lightning cables. The bases anchor the system to an elevated surface. The vertical posts extend upward from the bases. The horizontal rails extend between the vertical rails. The caps are positioned at tops of the vertical posts. The lightning cables are connected to the caps via the mounting brackets and are configured to be connected to an electrical ground. Lightning current travels from the caps, through the lightning cables, and to the electrical ground. Lightning current may also pass through the horizontal rails to a lightning cable attached to another cap. | 11-05-2015 |
20160006232 | LIGHTNING PROTECTION DEVICE AND METHOD OF PRODUCING SAME - A lightning protection device for placing on a structure for protecting, and including a first coating including at least one layer of conductive paint; and a second coating deposited on the surface coating and including a material that is thermally insulating and electrically conductive. | 01-07-2016 |
20160016673 | GROUNDING SLEEVE - A grounding sleeve for grounding an electrically insulated element disposed between two metal components includes an annular body extending between a first end and a second end. At least one window is formed in the annular body between the first end and the second end. | 01-21-2016 |
20160044834 | LIGHTNING STRIKE AND ELECTROMAGNETIC PROTECTION SYSTEM - A composite article for incorporation at the surface of an assembly, the composite article being capable of withstanding a lightning strike by dissipating the energy of the lightning strike and by shielding the assembly from electromagnetic energy associated with the lightning strike. The composite article has a base structure made of a material exhibiting electrical conductivity that is inadequate to dissipate lightning strike energy and also inadequate to shield the assembly from the associated electromagnetic energy. Against the outer face of the base structure an electrically-conductive lightning shield is secured. The lightning shield has a substantially uniformly-distributed embedment of electrically-conductive nanostrands in a matrix that otherwise exhibits electrical conductivity that is inadequate to dissipate lightning strike energy and inadequate to shield the assembly from associated electromagnetic energy. Alternatively, an electrically-conductive ground plane may be secured against the outer face of the base structure. | 02-11-2016 |
20160094021 | Isolator Protection Device - An isolator protection device can include a housing flaying at least one wall and a first coupling feature, where the at least one all forms a cavity, where the first coupling feature is configured to couple to an arrester, and where the at least one wall is configured to house an isolator body of an isolator within the cavity. The isolator protection device can also include a securing device disposed within the cavity, where the securing device is configured to secure a stud of the isolator to the isolator body during normal operating conditions. | 03-31-2016 |
20160197470 | METHODS AND APPARATUS FOR MITIGATION OF DAMAGE OF POWER LINE ASSETS FROM TRAVELING ELECTRICAL ARCS | 07-07-2016 |
174003000 | Rods | 7 |
20090000802 | DEVICE TO ATTENUATE ATMOSPHERIC DISCHARGES - The invention of the present application provides a device that comprises an assembly of a toroid and a rod with one or several pointed ends; and a filter system; wherein, around the pointed end or the pointed ends of the rod, an electrical field is formed with air ionization, wherein in the space around the toroid formation of electrical fields and air ionization are minimized, wherein the pointed end projects out above the toroid level, and wherein the filter system attenuates the electrical discharge of lightning rays. The device of the present invention is connected to a low resistance cable that goes to ground. | 01-01-2009 |
20090308630 | Lightning arrester - Provided is a lightning arrester capable of preventing damage caused by a lightning by discharging charges charged by approach of a thundercloud. The lightning arrester includes: a conductive rod installed at an upper part of an object to be protected from a lightning and connected to a ground part; a charge pipe having a cylindrical shape, formed of an insulating body to be insulated from the rod, and electrically charged with charges having a polarity opposite to ground charges; and a plurality of charge pins disposed on the charge pipe such that space charges in the air are charged to the pins by a thundercloud. | 12-17-2009 |
20100236808 | LIGHTNING PROTECTION DEVICE: WET/DRY FIELD SENSITIVE AIR TERMINAL - A lightning protection device having a grounded Franklin rod and a conductive device attached to the rod and defining a predetermined overall shape of a predetermined size therearound. The lightning protection device is particularly devised to limit the amount of corona discharges under the ambient ground fields associated with lightning storms while the upward leader inception requirements remain unchanged during the descent of a lightning leader. The lightning protection device has a corona inception voltage that is substantially insensitive to contamination from pollution, insects, vermin or water droplets | 09-23-2010 |
20110162863 | LIGHTNING PROTECTION SYSTEM AND METHOD - An omnidirectional, external, lightning protection system which serves to minimize damage from lightning current and lightning electromagnetic impulse (LEMP). Embodiments of the present invention disclose a variety of individual structural components which may be rapidly assembled to form an air termination system, down conductor system, and earth termination system, according to established standards of lightning protection. The apparatus may be erected to protect a structure, area, or equipment and dismantled to its components parts when no longer required. The assembled structure may serve as a temporary or permanent protective structure. | 07-07-2011 |
20140262410 | PORTABLE LIGHTNING PROTECTION SYSTEM - A portable lightning protection system is described for placement adjacent structures requiring lightning protection. The system includes a base mast section with an upper end and a plurality of radially extending, axially aligned ribs; a top mast section; preferably at least one intermediate mast section attachable to the upper end of the base mast section and to the lower end of the top mast section, the mast sections being axially aligned when attached; an air terminal having a conductive rod insertable into the bore of the top mast section; a base including a plurality of radially extending horizontal beams having inner ends attachable to the base mast section ribs and a plurality of inclined beams having inner ends attachable to the base mast section ribs and outer ends attachable to the horizontal beams; and grounding cables connecting the mast to the ground. | 09-18-2014 |
20150014015 | UNIVERSAL, POINT-MOUNTING APPARATUS AND METHOD - An anchor for lightning protection systems includes a base and pad that extend over a sufficient area and a sufficient bearing length to hold in shear and in tension against the weight, shear force, and moment of cables, points, and other components of a lightning protection systems. A universal point mount includes a head presenting greater cross sectional area and greater contact surface area than any other part of the mounting system. Drilled and tapped to receive a point oriented vertically, the head mounts easily on a horizontal or vertical mounting surface by receiving studs from a cleat plate (mandible) whose teeth capture the cable against a relief slot in the head. Apertures and studs provide rotating arbitrarily to any necessary orientation. | 01-15-2015 |
20150122527 | BIPOLAR LIGHTNING ROD APPARATUS - A bipolar lightning rod apparatus includes a fixation plate, a rod member configured to have one end connected to the fixation plate in a length direction thereof and charged with the electric charges of a ground, at least two insulators installed in the length direction, an electrification plate installed between adjacent insulators, electrically insulated from the rod member, and charged with electric charges having an opposite polarity to the electric charges of the ground, an electrification tube installed between the electrification plate and the insulators, electrically connected to the electrification plate, and charged with electric charges having an opposite polarity to the electric charges of the ground, and a rod cap connected to the top of the rod member and configured to induce the falling of a thunderbolt. The rod cap has an outside diameter greater than that of the insulators. | 05-07-2015 |