PURPOSE: A rotational actuator is provided to reduce current consumption for fixing the angel of a rotor by obtaining a fixing force to the rotation of the rotor through attraction between magnet rings. CONSTITUTION: A rotational actuator includes a stator(110), a pair of rotors(120,130), a rotation shaft, and a magnet stopper(150). A pair of rotors are in the both ends of a stator. The rotation s...

PURPOSE: A baseball throwing apparatus is provided to enable a user to select a pitcher among a plurality of virtual pitchers. CONSTITUTION: A baseball throwing apparatus comprises: a ball holder(110) for holding a ball; a first controller(120) for transferring the ball to an outlet; a second controller(130) for varying a throwing point of a ball by changing the direction of an outlet so that the ...

PURPOSE: A rotary powder container equipped with a brush is provided to discharge powder by rotating an inner case so that the inner case can stay inside an outer case. CONSTITUTION: A rotary powder container equipped with a brush comprises: semicircular inner and outer cases(10,20) which are rotationally combined around curvature center point; a powder exhaustion case(30) in which a brush is comb...

PURPOSE: A cable cover fix device for a telegraph pole is provided to improve stability due to a work time in the telegraph pole by simplifying an installation structure. CONSTITUTION: In a cable cover fix device for a telegraph pole, a cable cover is fixed to a telegraph pole by a fixing band(20). The fixing band is inserted into a band insertion hole which is formed in one side of the cable cove...

PURPOSE: A remote handling apparatus of a nuclear fuel assembly frame is provided to help a user to cut a desired part by rotating the nuclear fuel assembly frame. CONSTITUTION: In a remote handling apparatus of a nuclear fuel assembly frame, the nuclear fuel assembly frame is installed in a frame(10). A rotation unit rotates the nuclear fuel assembly frame which is installed in the frame. The pow...

PURPOSE: A method for weaving a blind paper for controlling light transmittance is provided to block and transmit the light. CONSTITUTION: A method for weaving a blind paper for controlling light transmittance comprises: a step of weaving a light transmission part(30) and a light shielding part in a longitudinal direction; a step of further weaving a partitioning section(10) for dividing the light...

PURPOSE: A detachable lens for an LED package is provided to improve light emission by controlling a directional angle according to the shape of a lens unit. CONSTITUTION: A detachable lens(30) is composed of a lens unit(31) and a fixing unit. The fixing unit is composed of a cavity, a soldering corresponding support, and a support(35). The fixing unit is detachable from the LED package. A lens un...

PURPOSE: An animal corpse treating device of self steam generation is provided to be opened and closed by forwardly and reversely rotating a lock housing according to the operation of a door opening and closing cylinder. CONSTITUTION: An animal corpse treating device of self steam generation comprises a steam drum, a cover(20), a lock housing(40), a door opening and closing cylinder(50), and a hyd...

PURPOSE: A microneedle is provided to improve a drug delivery effect of the microneedle and to prevent the needle from being broken. CONSTITUTION: A microneedle comprises: a declined part in which the exterior wall slopes and a straight part(20) in which the exterior wall is straight; a needle(1) including a groove having a predetermined depth along the exterior wall of the declined part or straig...

PURPOSE: An apparatus and method for smart power generation management based on power demand and a system using the same are provided to accurately check power generation costs and an amount of power by managing a generation system through a web. CONSTITUTION: A charge information collecting unit(122) collects information about real-time electric charges. A comparator(124) calculates charge compar...

PURPOSE: A method for manufacturing mineral pulp using charcoal waste resource is provided to reuse the waste resource and to remarkably reduce pollution. CONSTITUTION: A method for manufacturing mineral pulp using charcoal waste resource comprises: a step of pulverizing materials such as waste molding sand and steel slag at 10-20mm; and a step of molding a batch containing 20 wt% of limestone, 5 ...

PURPOSE: A power management device and method of a vehicle is provided to extend a service life of a battery and prevent the discharge of a battery. CONSTITUTION: A power management device comprises an IBS(Intelligence Battery Sensor, 30), an engine ECU(40), an outside input part(50), a power management part(100). The IBS detects SOC of a battery(20), actual charge quantity of a battery, and statu...

PURPOSE: A butterfly type check valve in which a sub disk is built in is provided to reduce the intensity of water impact which is caused by with the control of the check valve when the main disc closes a flow passage. CONSTITUTION: A butterfly type check valve in which a sub disk is built in comprises a valve body, a main valve shaft(210), a sub valve shaft(220) for reducing the water impact, a m...

PURPOSE: An improved stow net is provided to induce fishes collected in an entrance to the rear side and to stably secure an internal space. CONSTITUTION: An improved stow net comprises: an entrance(10) which is opened so that fishes can flow in and is formed in a plum form; a spread plate(20) which is respectively united with both sides of the entrance and is made of cloth; and a spread plate(30)...

PURPOSE: A deck assembly is provided to improve the strength of a deck and prevent the deformation of a deck caused by thermal expansion and contraction. CONSTITUTION: A deck assembly(100) comprises a deck(11) made of a synthetic wooden material and a reinforcing material(17). The deck comprises a top surface(11a), a rear surface, a first extension part(13) which is extended downward from the rear...

PURPOSE: A support structure for a solar cell module is provided to improve the collection efficiency of a solar cell module by controlling a space between the forward and backward directions of the solar cell module along a main frame. CONSTITUTION: A first support stand(100) receives and supports a solar cell module. A connection unit(120) is connected to the first support stand. The main frame ...

PURPOSE: A gel mask pack composition and a method for preparing the same are provided to maintain smooth skin metabolism and to enhance anti-inflammation and skin immunity. CONSTITUTION: A gel mask pack composition contains 71.25 wt% of purified water, 0.02 wt% of disodium EDTA, 1.6 wt% of Ceratonia siliqua gum, 1 wt% of carrageenan, 0.25 wt% of guar gum, 0.25 wt% of agar, 0.25 wt% of potassium ch...

PURPOSE: An organic polysilicone composition for a semiconductor device is provided to enable the uses as an adhesive adhering a semiconductor chip and a substrate in a packaging process and to ensure the adhesive force with the substrate due to excellent insulation properties and moisture absorption resistance. CONSTITUTION: A die bonding composition for a semiconductor device comprises (a) organ...

PURPOSE: A piezoelectric generating device for a road and an installation method thereof are provided to introduce the vibration of a piezoelectric plate without the deformation of a closure. CONSTITUTION: A piezoelectric generating device for a road comprises an elongate housing(20), an elevation module(30) and a cantilever type piezoelectric plate(40). The elongate housing has open top. The elon...

PURPOSE: A magnesium alloy and a manufacturing method thereof are provided to secure excellent oxidation and ignition resistances of a magnesium alloy and prevent spontaneous ignition of chip produced during machining by employing a dense complex oxide layer acting as protective coating. CONSTITUTION: A magnesium alloy comprises aluminum equal to or greater than 7.0wt.% and less than 9.5 wt.%, cal...