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Patent Searching and Data


Matches 301 - 350 out of 882

Document Document Title
JP2008278708A
To simplify construction and reduce a cost, by confirming a construction method of a down-conductor while evaluating an electrical resistance value of a main reinforcing steel.A first target electrical resistance value R1 around a serial...  
JP2008267930A
To solve a problem wherein a conduit route cannot be appropriately designed due to difficulty in specifying, in a conduit route design stage, the dispersed state of lightning surge current generated in a building and a place where propag...  
JP4176529B2  
JP4172983B2  
JP2008259306A
To provide a ground current damage preventer which prevents damage occurrence such as the fault, malfunction, etc. of the object of prevention such as an electric/electronic apparatus, etc. due to various ground currents.An annular condu...  
JP4149299B2  
JP2008535448A
The present invention relates to the thunderstroke current discharge equipment for electrically connecting capture equipment and grounding equipment of an external surge arrester, the electric conductor is laid underground into insulated...  
JP4141231B2  
JP2008180102A
To provide a light and economical separable blade for a wind turbine that is also equipped with a lightning rod function.This separable blade for a wind turbine wherein the blade 1 as a whole is assembled by connecting two electrically n...  
JP4127655B2  
JP2008171673A
To enable to easily carry out works adjusting a protrusion length of a grounding side arc horn from the lower end of a horn support metal fitting 33 or measuring a horn interval, and, enable to have the grounding side arc horn shorter th...  
JP4121482B2  
JP2008166104A
To provide a grounding electrode capable of preventing a lightning damage due to lightning surge current by lowering further than a conventional one a grounding impedance of such as a building and various facility which is an object of l...  
JP4116912B2  
JP2008152927A
To solve the problem that there are many cases that a desired ground resistance value cannot be obtained since a rod like ground body constituting a conventional ground device has a small contact area with earth and accordingly earth res...  
JP4103259B2  
JP4083110B2  
JP4078181B2  
JP2008059870A
To provide a lightning arrester capable of preventing lightning damage by preventing certainly flashover of lightning surge current caused by ground discharge, to provide a structural pillar having lightning arresting function, and to pr...  
JP4054700B2  
JP4050847B2  
JP4030335B2  
JP2007280775A
To provide a grounding system in which lightning-damage is made preventable from spreading to various kinds of electric facilities in a specific consumer and the electric facilities of a general consumer of joint power reception without ...  
JP3958699B2
To provide a telescopic terminal easy in installation and further compact in size. The L-shaped telescopic terminal comprises a thunder-receiving part 10 for the telescopic terminal having a lip groove shape cross section on the surface ...  
JP3954946B2
To shorten time to execute an earthing device, and to reduce its execution cost. An earth unit Eu having an earth wire 1 coated with a conductive coated body 2, and a conductive coating member 3 composed of a carbon powder particle body ...  
JP3947504B2
To provide a hardware to be fitted to a thunder receiving section, which does not let the thunder receiving section come off by working force from outside. The hardware to be attached to a thunder receiving section is equipped with a mou...  
JP3916607B2
To provide a draining terminal for conductor connection easily attachable without projecting from a building frame or a finished surface of a building, and capable of enhancing attaching accuracy. This draining terminal 15 for conductor ...  
JP2007511690A
Stillness means by which the present invention has a stillness thunder protection means (46), such as Nasser (3) and a tower (2), It is a wind turbine (1) equipped with pivot means which prepared at least one wind turbine shuttlecock (5)...  
JP3131042U
[Subject] In a ground member of a lightning wiring system for buildings which connects an earthing conductor from a surge arrester and an electric appliance to a steel rod of the ferro-concrete foundation, there is no projection part in ...  
JP2007103043A
To provide an auxiliary tool for a grounding block and a grounding block, capable of obtaining stable grounding characteristics by arranging so as to obtain a required grounding resistance, even when digging out the grounding block, such...  
JP3907477B2  
JP2007080703A
To provide a lightning conductor device with a light weighted and simplified structure.The lightning conductor device C comprises a pole 2, a lightning rod 4, and a lightning rod member C1 arranged at the upper end part of the pole. The ...  
JP2007068262A
To prevent the electric breakdown of an electric facility within a structure struck by lightning, and to see that lightning damage may not extend to other structures.This excessive voltage prevention device 10 comprises a grounding elect...  
JP3888846B2
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...  
JP3889015B2
To provide a lightning protection facility for a seismic isolation building, having a seismic isolation unit for controlling earthquakes or vibrations due to winds from thunderbolt. The lightning facility in the seismic isolation buildin...  
JP2007028768A
To provide a lightning conductor break preventing apparatus that is easily installed and prevents a break in a lightning conductor when pulling force is produced in the lightning conductor due to so-called negative friction (negative fri...  
JP2007006583A
To provide an equipotential bonding (single-point concentrated ground) construction method which electrically connects a metallic tank/metallic piping and foundational reinforcement which are used in a plant or a combustible combinat, al...  
JP2007005194A
To provide a side face lightning arrester system which can be installed on a side face part of a building easily, and to provide an installation method of the side face lightning arrester system for installing the side face lightning arr...  
JP2006353046A
To provide a lightning surge protector for protecting electrical apparatus connected to an electric wire, even if a lightning strike affects the electric wire.The lightning surge protector has a primary coil, connected to the electric wi...  
JP2006353069A
To provide a grounding wire protector that is easy to install and that facilitates protection of a grounding wire near the ground level portion of an electric pole.The grounding wire protector 1 protects a synthetic resin pipe 3 and a co...  
JP2006344402A
To surely earth a reinforcing bar by simple work by solving a problem where, in a lightning conductor facility of a reinforced concrete building, welding connection is conventionally executed to a connection structure for connecting a wi...  
JP3844949B2
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 ...  
JP2006304528A
To make a sash function rationally as a thunder receiver of a rotation sphere method, and to constitute the thunder receiving portion of the rotation sphere method rationally in a sidewall having a metallic portion other than a sash.In t...  
JP2006296163A
To provide a small and inexpensive lightning arrester without installing a metal fitting for making tips of a T-shape coaxial connecting pluge and a coaxial cable of λ/4 into a short circuit.One end of a coaxial cable 32 for antenna con...  
JP2006288126A
To provide a lightning protection wiring system for a building that facilitates grounding, has a grounding area as large as possible, and can easily obtain a low grounding resistance value in the lightning protection wiring system for pr...  
JP2006286377A
To provide a lightning protection system for a tower-shaped building which can be easily mounted with a simple structure by enabling to plan the lightning system for the tower-like building, without having to provide a horizontal ring co...  
JP3125247U
[Subject] Thunder-proof fitting structure of an antenna supporting post provided with a thunder serge insulating ring which is attached simply between support things of an antenna supporting post provided in buildings, such as a steel to...  
JP2006219966A
To solve a problem wherein there is no countermeasure effect on thunderbolt in a conventional tent which is a countermeasure tent only for preventing rain and sunlight.Since thunder is transmitted through metal, particularly a conductive...  
JP3811691B2
To provide a supporting structure of a pole for a lightning rod having high wind pressure resistance, requiring less installation space, and manufacturable at low cost. In this supporting structure of the pole for the lightning rod, bulk...  
JP2006210074A
To provide a high voltage insulator equipment preventing the insulator from being broken.In this high voltage insulator equipment 1 provided with a rack 5 and a longitudinal insulator 7 vertically erected on the rack 5, a base isolating ...  

Matches 301 - 350 out of 882