PURPOSE: A concrete mixer with a discharger is provided to produce concrete with high quality by uniformly mixing specific concrete materials. CONSTITUTION: A hydraulic construction apparatus(10) includes a moving unit(2). A rotation drum protection case(30) is mounted in both sides and the center of a horizontal bracket(20) as an angle adjustment unit. A mixing and rotating drum(50) is rotatably ...

PURPOSE: A slide type bicycle rack is provided to improve the durability by simplifying a device structure and easily equip a bicycle to a rack. CONSTITUTION: A slide type bicycle rack(100) comprises a base frame(101), a pair of guide bars(111) and a plurality of a slide racks(120). The base frame supports the load of a bicycle. The guide bar is expanded from the left side of the base frame to the...

PURPOSE: A multi type baseball game apparatus is provided to enable a hitter to hit a ball thrown by operating an instrument for throwing a ball. CONSTITUTION: A multi type baseball game apparatus comprises: a throwing controller(111) capable of setting throwing direction and throwing pattern; a throwing part(112) for throwing a ball based on a throwing pattern after controlling the direction of t...

PURPOSE: A drilling bit for installation of a water collecting pipe is provided to reduce the propulsion resistance of a casing and prevent the deformation and biasing of the casing by forming an excavated hollow greater than the outer diameter of the casing. CONSTITUTION: A drilling bit for installation of a water collecting pipe comprises a pair of split heads(31), a bit shaft rod(33), a rotary ...

PURPOSE: A toxic gas reducing device for an engine is provided to improve environmental condition and to prevent green house effect by reducing exhaustion of toxic gas. CONSTITUTION: A toxic gas reducing device for an engine comprises a lead-in housing(110), a discharge side housing(120), a cylinder supporting bushing(130), a magnetic device(200), an injecting ring(140), a injecting plate(150) and...

PURPOSE: A portable beauty-water sterilizer is provided to frequently supply beauty-water to the skin of a user by miniaturizing the sterilizer based on a simple structure of a sterilized beauty-water generating part. CONSTITUTION: A portable beauty-water sterilizer(100) includes a solution storing part(114), a sterilized beauty-water generating part(120), a spraying part(112), and a power supplyi...

PURPOSE: A micro-channel heat exchanger is provided to reduce the weight of the heat exchanger by forming channels on both surfaces of a plate. CONSTITUTION: A micro-channel heat exchanger comprises a laminate(20), a pair of cover plates(30), first headers(40), and second headers(50). First channels(11) are arranged on one surface of the laminate at uniform intervals, second channels(12) are forme...

PURPOSE: An air purifier with a humidifying function is provided to simultaneously implement a humidifying function and an air purifying function based on low manufacturing cost and power. CONSTITUTION: An air purifier includes an external case(100), an internal case(200), and an impeller part(210). The external case includes a suction hole(150) sucks external air. The internal case stores purifyi...

PURPOSE: A seaweed transplanting body, and a sea forest forming method using thereof are provided to improve the existence rate of spores by directly rooting the spores to the seaweed transplanting body. CONSTITUTION: A sea forest forming method using a seaweed transplanting body comprises the following steps: inserting the seaweed transplanting body(B) into a water tank including a water outlet a...

PURPOSE: A system for controlling rail electric potential is provided to efficiently and stably manage an electric railway power supply system by determining a ground fault accident and a non-ground fault and selectively input a breaker only in an accident area. CONSTITUTION: An electric potential difference detection unit(110) detects an electric potential difference between the ground(B) and a r...

PURPOSE: An optical module and a manufacturing method thereof are provided to produce various types of optical transmitting and receiving modules and packaging and reduce manufacturing costs by mass production by miniaturizing an optical module. CONSTITUTION: An optical module comprises a substrate(100), a spacer(200), a cover(300), and an optical fiber(400). The substrate includes an optical devi...

PURPOSE: An image harmonics filtering device is provided to remove a lot of harmonics by properly coping with an overload. CONSTITUTION: A zigzag transformer(110) is electrically connected to a three-phase line(R,S,T) and a neutral line(N). If the temperature of the zigzag transformer exceeds a second temperature higher than a first temperature, a temperature fuse(130) blocks electrical connection...

PURPOSE: A user authentication method which uses a temporary password issued through a certificate log-in process is provided to input the temporary password issued through a trading server, thereby fundamentally excluding errors due to a time synchronization mismatch problem. CONSTITUTION: A trading server transmits a random Nonce value to an electronic signature terminal(110). A certificate, Non...

PURPOSE: A signal transferring method in a collaborative communication system is provided to reduce the interference effect of a signal due to the signal of a terminal in a cooperative zone. CONSTITUTION: A relay terminal receives a transmitted carrier signal. The relay terminal transfers the received carrier signal to a reception terminal(S220). The reception terminal separates an area where a sp...

PURPOSE: An acrylic panel fixing device is provided to minimize the left and right shaking of an acrylic panel by forming a plurality of acrylic panel fixing units at different heights. CONSTITUTION: A molding bar(210) has a preset length and a trench extended in a length direction. A combination pin is inserted into and combined with the trench and has elasticity in a width direction. A combinati...

PURPOSE: A support for a high voltage lead is provided to easily perform an installation work by combining an installation plate with the connection member of the high voltage lead. CONSTITUTION: A support for a high voltage lead includes a coil support(30), a support rod(40), a fixing unit(50), and an installation unit(60). The coil support is installed in the outside of a coil installed in a bod...

PURPOSE: A high voltage lead is provided to help a user to install a connection member in a transformer by forming a connection member including a flange or a connection rod in the end of a conductive pipe. CONSTITUTION: A high voltage lead is comprised of a connection terminal(12), a flexible terminal(20), a conductive pipe(30), and a connection member(60). The connection terminal is installed in...

PURPOSE: A feeder of a carrier tape with a plural sprocket in a chip exposed part is provided to correct a moving path for a tape by inserting a plurality of sprockets into a moving hole of the carrier tape. CONSTITUTION: A feeder(400) of a carrier tape is comprised of a tape loading(410), a component exposure unit(420), and a tape transfer part(430). The carrier tape is loaded in the tape loading...

PURPOSE: A mobile terminal equipped with a haptic module is provided to control the haptic feedback of a touch pad. CONSTITUTION: A vibration stage(300) is arranged between a main body and a touch pad. A hinge unit elastically supports the touch pad on the vibration stage. A piezoelectric element is installed to the hinge unit. The piezoelectric element bends the hinge unit. The piezoelectric elem...

PURPOSE: A height control system and method of a wind turbine tower is provided to maximize energy utilization and to improve energy generation of the wind turbine. CONSTITUTION: A height control system comprises next steps. The optimum height of a wind turbine tower is estimated corresponding to wind force change. A wind speed per height is measured. The height speed of wind measured is designate...