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Patent Searching and Data


Matches 301 - 350 out of 905

Document Document Title
JP4580169B2
A separable blade (4) for a wind turbine (1) is disclosed, the separable blade (4) being divided at a center part thereof in a longitudinal direction into an inner blade portion (4R) corresponding to a blade root side and an outer blade ...  
JP2010174590A
To facilitate a visual check of connection work and a connection state between conductive members buried in a PCa member and facilitate back filling of a notch by improving fixation performance of post-burial mortar which is filed into t...  
JP4517112B2  
JP4511869B2  
JP4471113B2  
JP2010119165A
To provide an overhead transmission line, which enables construction regardless of seasons, and to provide a method of constructing the same.The overhead transmission line 1, in which the ends of overhead transmission lines 3a and 3b on ...  
JP2010054440A
To provide a surge current discharge method, a discharge testing device, and a discharge monitoring method for inspecting defect in which reinforcement embedded in a foundation part of a building or concrete of each floor is broken and d...  
JP4397780B2  
JP2009303320A
To provide an application structure of a follow current blocking device in a three-phase, four-circuit joint spanning steel tower that strikes a balance between the reduction of momentary drop occurrence probability and the reduction of ...  
JP4378538B2  
JP4359002B2  
JP4350601B2  
JP4340001B2  
JP4313364B2
The invention relates to a wind turbine (1) comprising stationary means such as a nacelle (3) and a tower (2) comprising stationary lightning protection means (46), and rotating means such as a rotor including at least one wind turbine b...  
JP2009102896A
To shorten a construction period by simplifying a construction work at site and eliminate troublesome post construction works in a structure for electrical connection at the connection part of a precast concrete column when an electric p...  
JP4262006B2  
JP2009093936A
To provide a lightning arrester including a lightning rod member with a rod and a lightning arrester electrode member with an electrode, capable of minimizing thunderbolt-induced damage to a protected object by disposing the lightning ar...  
JP2009516899A
It is a lightning device which reduces that an object of a subject of protection experiences a thunderbolt to the upper part in the conventional row. This device is wound around the surroundings of a support structure which suited in ord...  
JP4253510B2  
JP2009510329A
A wind power plant (1) having a lightning protection arrangement comprises a plurality of blades (2) extending radially outwards from a hub (3) and together with said hub forming the rotor. An electrically conductive lightning protection...  
JP2009054464A
To provide an installation method of a lightning arrester which can be attached to an insulator string by securing an appropriate tolerance surely.The lightning arrester 10 is retained on the tip part of an operation rod 4, and is made t...  
JP2009050121A
To obtain a grounding-wire extraction fastener that meets regulations of electrical appliance and material safety law for a material of an outdoor exposed piping member, can be easily and surely inserted into a grounding-wire draw-in dev...  
JP2008312312A
To provide a sidewall lightning arrester system of buildings, which has a high degree of installation and design freedom and facilitates installation and can shorten the installation period thereof to reduce cost, without sacrificing the...  
JP2008312311A
To provide a sidewall lightning arrester system of buildings, which has a high degree of installation and design freedom and facilitates installation and maintenance thereof.In the sidewall lighting arrester system of buildings, lightnin...  
JP4188285B2  
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 ...  

Matches 301 - 350 out of 905