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Patent Searching and Data


Matches 401 - 450 out of 882

Document Document Title
JP2003317995A
To provide a member suitable for a lighting rod, having excellent arc resistance and corrosion resistance used as a structural member for the whole lightning rod or the tip of the lightning rod, and to provide the lightning rod using it....  
JP2003532836A
(57) Summary book invention relates to wind power equipment. Modern wind power equipment is usually provided with the thunder protection system. The purposes of the present invention are to remove the conventional fault, especially to ma...  
JP2003304631A
To provide an arrester for a coaxial cable, that allows easy installation by enabling the direct installation of the arrester to a through plate.The arrester for the coaxial cable is configured, such that the arrester is firmly fixed to ...  
JP3443619B2
To reduce overvoltage load on a lightning proof transformer 9 in lightning stroke in electric facilities which protect the electrical equipment 11 in a structure 12 against lightning strokes by placing the lightning proof transformer 9 i...  
JP2003243125A
To provide a structure of facilitating installation work when setting an arrester besides a waterproof receptacle without need of a new installation area.A waterproof arrester case 13 with an arrester housing part 14 packed inside is fit...  
JP2003230219A
To provide a cross arm insulator mounting bracket that is easy to manufacture, excellent in strength, and capable of achieving further miniaturization.This cross arm insulator mounting bracket is a device that is mounted on the cross arm...  
JP3436344B2
To make uniform the potential increase of an earthquake-proof building in the thunderbolt, reduce the potential increase and protect other equipment from faults. An upper structure 2 and a foundation 3 part of an earthquake- proof buildi...  
JP2003219547A
To provide a lightning protection apparatus that can prevent damages to electrical equipment caused by reverse flow of induced current, when an indirect lightning stroke occurs.A cable 3 of a computer 2 and the protected equipment side o...  
JP2003219548A
To provide a very simple economical grounding apparatus having a prescribed low ground resistance by joining a large-area contact surface to the side of an existing structural body which has a large-area contact to the ground, and by con...  
JP2003209911A
To provide a distribution panel device which permits a current limiting breaker kept at OFF to be switched on easily from indoors or the like.A power line 1 and a communication line 2 are respectively connected to the same ground termina...  
JP2003199239A
To provide a conductive connection method and a conductive connection structure wherein, to prevent accidents or disaster when a building, etc., is struck by lightning, 'Faraday cage' is surely established by an isopotential bonding tech...  
JP3413588B2
To completely prevent water coming from inside an earth wire, by spreading hydrophilic one-part polyurethane prepolymer in the coating of the earth wire by foaming pressure caused by reaction between the prepolymer and water and then har...  
JP2003151653A
To provide a grounding sheet easy to work and high in reliability, for protecting a grounding body buried underground and reducing the grounding resistance.A connection portion of a twisted bare copper wire 1 as a grounding body and a gr...  
JP3406624B2
PURPOSE: To prevent at least power failure when thunderbolt surge is, infiltrated, by mounting a lightning protection insulator device corresponding to the power line of a lower phase during power transmission by plural lines, and making...  
JP3404366B2
To realize effective insulating measures with high efficiency at a low cost. The maximum voltage of an external insulation path L3 (the path of a ground point P3 to a ground 5 for customers to a metal sheath 3-2 for distribution line or ...  
JP3401469B2
To avoid welding in a splice section of a support pipe of a multi-stage type lightning rod at a building site, and to form a mechanical connection. A support pipe joint device comprising a first joint fitting having a pipe to which a low...  
JP3399523B2
To provide a method for lightning protection for electric equipment wherein a Faraday cage in a structure housing the electric equipment is stabilized. The electric equipment is provided with a lightning protection apparatus. The lightni...  
JP2003079044A
To prevent conductor resistance unbalance of an electric wire which becomes a cause of a lightning failure, by embedding a number of electric wires connected in parallel so as to get a target cross sectional area, by arraying a number of...  
JP2003045608A
To solve such problems in an arrester which is provided at another place within the electric station independently of a structure such as a steel tower, in electric feeder line and electric power line drawn into an electric station via t...  
JP2003032872A
To provide a copper-clad steel rod for a ground electrode which can reduce a frictional resistance against soil while a lateral vibration phenomenon is avoided.A steel core 9 is cladded with a copper or copper-alloy layer 8. One end of t...  
JP2002357402A
To make the series gap length of a lightning arrester measurable accurately, easily and safely mounted on an insulator device. This gage has a measuring part and a gripping part, for measuring the series gap length of the lightning arres...  
JP2002345146A
To reduce overvoltage load on a lightning proof transformer 9 in lightning stroke in electric facilities which protect the electrical equipment 11 in a structure 12 against lightning strokes by placing the lightning proof transformer 9 i...  
JP2002320319A
To provide a protection method against thunder damage which can prevent the breakdown of the lightning arrester of a high structure such as a wind power station, a radio relay station, etc.In this protection method against thunder, the l...  
JP2002315170A
To protect a metal pipe from dielectric breakdown arising from potential rise due to induced lightning and prevent damage to the metal pipe.An insulating tape 2 is applied to the surface of the metal pipe 1, and a metal shielding layer 3...  
JP2002315169A
To provide a method for lightning protection for electric equipment wherein a Faraday cage in a structure housing the electric equipment is stabilized.The electric equipment is provided with a lightning protection apparatus. The lightnin...  
JP2002313511A
To solve a problem that a bare wire as an electrode is directly contacted with a core wire of an insulated wire and thereby intrusion of ground water into the insulated wire cannot be prevented perfectly in a conventional ground electrod...  
JP2002315185A
To reduce disaster due to direct hit thunder and to inhibit disaster due to back-flow thunder.Plural overhead ground wires 3a, 3b, 3c, and 3d made of insulating electric wire are arranged near power distribution lines 1a, 1b, and 1c. The...  
JP2002271964A
To develop an arrester structure of a building which can avoid erroneous operation of gages, burning of substrates and influence on a human body at the timing of lightning by equalizing the potential of all instruments and gages installe...  
JP2002271961A
To provide an installation method using a deeply embedded independent insulated ground electrode for electrical insulation from the other grounding systems, considering mutual grounding interval of a plurality of ground electrodes and mu...  
JP2002271965A
To develop a deeply embedded electrode for lightning which can quickly leak a lightning current applied on a high voltage iron tower to the ground.The deeply embedded electrode (20) for lightning, which is embedded to the underground to ...  
JP2002270330A
To enable to rapidly and surely carry out discrimination of a lightning arrester in which a failure of a characteristic deterioration or the like has been generated.This is a connector 21 removably mounted on the lightning arrester 1 ins...  
JP2002254108A
To provide copper coated steel stock, especially, a copper coated steel bar for grounding an electrode and the manufacturing method therefor excellent in corrosion resistance since joining characteristics between copper layer and steel c...  
JP2002530038A
(57) Are a summary lightning rod system (including both a method and the lightning protection instrument of a specific model), and this, It is on an end cap, and when people hit careless in the projection air terminal or it collides by u...  
JP2002227757A
To provide a lightning arrester equipment for a wind turbine capable of eliminating a damage of blade from lightning, making the wind turbine efficiently operate, and greatly reducing maintenance cost.Plural or one electrode plates are a...  
JP3311458B2
PURPOSE: To provide the joint structure of a column which is easy to install, facilitates the cost reduction and, further, can be applied to the drop conductor of the arrestor equipment of a building. CONSTITUTION: A first conducting mem...  
JP2002199563A
To easily branch a plurality of existing power transmission lines in a short period of construction and at a minimum cost of construction.The method for branching mount of overhead power transmission lines 31, 32 for a main line to a plu...  
JP2002186160A
To reduce in the weight of an insulated lighting conductor unit, and to reduce the area of an installation space, by arranging an insulating supporter which is light and functions as both conventional insulating insulator and a strut for...  
JP2002174374A
To provide a lightning resisting tube capable of resisting the discharge in lightning without receiving the damage to a tube body even if a conductive coating layer covering the circumferential area of the tube body is damaged by the dis...  
JP2002158049A
To provide a grounding electrode that has low grounding resistance and a long life, and a grounding structure and grounding method using this grounding electrode.As an grounding electrode 11, a wire net made of stainless steel that is fo...  
JP2002152961A
To provide a lightning-suppression device, which can reduce the number of lightning striking a lightning rod and can suppress lightning surges which penetrates into electrical equipment.A rod-shaped insulator 4 is provided at a required ...  
JP2002125309A
To obtain fuel grounding performance in over a wider frequency range, and to provide a method for grounding a cable-shielding conductor having high withstand-voltage.One end of the cable-shielding conductor 3 is directly grounded and the...  
JP3271706B2
To provide simple and reliable protection against lightning while keeping a cabin in good appearance by erecting no lightning conductor and to achieve savings of construction work and lower cost by eliminating the need for other componen...  
JP2002093256A
To provide a lightning protection insulator set for 110-154 kV power transmission with little weight unbalance and with improved corona discharge characteristics, capable of realizing miniaturization of the whole set and cost reduction a...  
JP3265500B2
To positively receive the lightning current generated by a ground discharge so as to prevent the generation of secondary disaster and thirdly disaster by providing a main conical rod, which is provided in the top of a conductive support ...  
JP2002044862A
To eliminate large tension and a space for placement from a lightning arrester.A pair of yokes 17, 18 is hung from a steel frame 4. The yoke 18 is connected to a base 10 through a spring turning buckle 7. A group of insulators 20 and a g...  
JP2002034140A
To realize effective insulating measures with high efficiency at a low cost.The maximum voltage of an external insulation path L3 (the path of a ground point P3 to a ground 5 for customers to a metal sheath 3-2 for distribution line or a...  
JP3251928B2
To capture lightning discharge (lightning strike) to the outer wall of the multistory part of a multistory building by means of a simple structure and a simple method. A vertical lightning arresting conductor is fixed to the side surface...  
JP2002010456A
To provide a grounding device with an inductance connected between the grounding terminal of an apparatus and a grounding pole.An inductance is connected between the grounding terminal of an apparatus and a grounding pole. A current, whi...  
JP2001313101A
To protect the insulation cable and to enable the leakage current from the external conductor to be discharged to the ground as the external conductor is in contact with the ground of the cut hole or the cut ditch through the semiconduct...  
JP2001298843A
To protect electrical equipment from a thunderbolt by a method wherein, although an equipment grounding potential is elevated by the thunderbolt grounding, it is lower than the grounding potential of a circular grounding part and only th...  

Matches 401 - 450 out of 882