Patent application number | Description | Published |
20080309281 | Starting Control Apparatus and Method for Motor - An exciting coil of a motor is formed to be controlled by using an analog timer to thus control an excitation control circuit of a motor control apparatus, whereby an excitation control circuit that excites an exciting coil of a motor control apparatus can be simplified and complexity can be reduced by simplifying a circuit construction of an excitation controller. The present invention includes: an auxiliary winding (sub-coil) and a main winding (main coil); and an exciting unit which is electrically connected with the auxiliary winding and the main winding, determines an excitation application time and an excitation time, and generates an excitation current according to the determined excitation application time and the excitation time. | 12-18-2008 |
20090017745 | Ventilation apparatus for fuel cell vehicle - The present invention provides a ventilation apparatus for a fuel cell vehicle, which can rapidly remove high-temperature air generated in the inside of a stack case by moving the same to an air cleaner using a suction pressure of air supplied for the operation of the fuel cell vehicle, reduce the risk incurred due to hydrogen leakage by moving leaking hydrogen to the air cleaner, and maintain the temperature of a fuel cell stack constant. | 01-15-2009 |
20090060734 | Blower housing of hydrogen recirculation device of fuel cell vehicle - A blower housing of a hydrogen recirculation device for a fuel cell vehicle includes a plurality of cooling pins installed on a perimeter of a housing body installed in a fuel processing system of the recirculation device. The cooling pins are arranged in parallel with air flow, thereby reducing a temperature deviation and the highest temperature point. | 03-05-2009 |
20090108796 | Starting Control Apparatus and Method for Motor - An apparatus and method for controlling starting of a motor are disclosed. An exciting coil of a motor is excited by using a controller of an electronic refrigerator without having an extra excitation control circuit, to thereby simplify a component construction for controlling exciting of the motor and thus reduce complexity. The present invention includes: a main coil and an auxiliary coil (sub-coil); an exciting coil that generates an excitation current; a refrigerator control unit that outputs a control signal for controlling an application time of the excitation current when started; and a switch unit electrically connected with the exciting coil and supplying power to the exciting coil according to the control signal outputted from the refrigerator control unit. | 04-30-2009 |
20090236925 | Self Magnetizing Motor - A self magnetizing motor, in which a magnetic substance is disposed at the rotor and a stator is provided with a magnetizing portion to magnetize the magnetic substance, and the magnetizing portion forms an exciter pole protruding toward the magnetic substance and a tip portion tapered at an end of the exciter pole, wherein a width of the exciter pole, a protruding length of the tip portion, and a width of the tip portion are formed in the ratio of 8-9:2-2.5:1-2.4, thereby increasing the intensity of magnetizing of the magnetic substance thus to improve the motor performance. | 09-24-2009 |
20090269671 | Fuel cell separator and method for manufacturing the same - The present invention provides a fuel cell separator formed of a continuous carbon-fiber composite, and a method for manufacturing the same. | 10-29-2009 |
20090286134 | END PLATE FOR FUEL CELL STACK AND METHOD FOR MANUFACTURING THE SAME - The present invention provides an end plate for fuel cell stack and a method for manufacturing an end plate, which can increase flexural rigidity per weight, and improve strain at break, and reduce heat transmission by applying hybrid core element having honeycomb and form structures to an end plate having sandwich structure combined to both end portions of a fuel cell stack. | 11-19-2009 |
20090311566 | SEPARATING PLATE FOR FUEL CELL STACK AND METHOD OF MANUFACTURING THE SAME - The present invention provides a separating plate for a fuel cell stack and method of manufacturing the same, and more particularly, to a separating plate for a fuel cell stack and method of manufacturing the same, in which the separating plate constituting the fuel cell stack is formed in such a fashion as to interpose an array of metal pipes between two sheets of composite material, and a gasket abutting against the separating plate is formed in such a fashion as to define hydrogen and air flow channels, thereby removing a contact resistance between two adjoining separating plates constituting unit cells to improve the efficiency of the fuel cell. | 12-17-2009 |
20110039215 | LABEL AND METHOD FOR PREPARING THE SAME - Disclosed is a label having an ink layer which has a metal or a metal oxide as its pigment, the color of the metal or the metal oxide being changed with an oxidation reaction of the metal or the metal oxide by laser irradiation, the laser irradiation causing the oxidation reaction of the metal oxide so as to make the metal oxide change in its oxidation number or come to a complete oxidation state from an incomplete oxidation state. | 02-17-2011 |
20120023970 | COOLING AND HEATING WATER SYSTEM USING THERMOELECTRIC MODULE AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein are a cooling and heating water system using a thermoelectric module and a method of manufacturing the same. The cooling and heating water system using a thermoelectric module includes first and second substrates disposed to be spaced apart from each other, while facing each other; a cooling water line formed in the first substrate so as to flow cooling water therethrough; a heating water line formed in the second substrate so as to flow heating water therethrough; first and second insulating layers disposed on the inner side surfaces of the first and second substrates, respectively; and a thermoelectric device interposed between the first and second insulating layers, whereby it is possible to variously control a temperature of drinking water without generating noise by using the thermoelectric module in cooling the drinking water. | 02-02-2012 |
20120024335 | MULTI-LAYERED THERMOELECTRIC DEVICE AND METHOD OF MANUFACTURING THE SAME - The present invention provides a multi-layered thermoelectric device and a method of manufacturing the same. The method for manufacturing a multi-layered thermoelectric device includes the steps of: forming a P-type semiconductor and an N-type semiconductor in a sheet type by mixing thermoelectric semiconductor materials at a preset component ratio; cutting the sheets according to a preset specification of the thermoelectric device; stacking sheets which are made by mixing the thermoelectric semiconductor materials at a preset component ratio and are cut into the same size for each of them; and forming a final thermoelectric device by compressing the stacked sheets. By using the method, scattering phenomenon due to a short wavelength of phonon occurs at a boundary of each layer, which results in active scattering of phonon. Therefore, it is possible to expect an effect of improving a thermoelectric figure of merit of a thermoelectric device. | 02-02-2012 |
20120120020 | DISPLAY DEVICE HAVING A BUILT-IN TOUCH INPUT MEANS - This disclosure provides a display device having a built-in touch input unit, the display device including: a lower substrate; an upper substrate; a plurality of first signal lines and second signal lines; touch cells that are formed in a plurality of areas, respectively including a conductive pad that forms an electrostatic capacity between a touch input means and the conductive pad when the touch input means approaches to the conductive pad within a predetermined distance (d) in each divided area, and at least a 3-terminal type switching element whose gate electrode is connected to the conductive pad; and a touch position detector that transmits and receives position detection signals to and from the first signal lines and the second signal lines, and detects whether output signals of the switching element are changed by capacitance that is formed between the touch input means and the conductive pad. | 05-17-2012 |
20120145211 | THERMOELECTRIC DEVICE AND METHOD OF MANUFACTURING THE SAME - The present invention provides a thermoelectric device including: thermoelectric sheets made of a thermoelectric semiconductor and laminated in multi-layers; and a metal sheet interposed between the thermoelectric sheets, and a method of manufacturing the same. | 06-14-2012 |
20120279541 | THERMOELECTRIC MODULE - Disclosed herein is a thermoelectric module using a thermoelectric element capable of showing a spin Seebeck effect. The present invention provides a new thermoelectric module including: a thermoelectric element; a first outer electrode that is connected to one side of the thermoelectric element and is applied with positive voltage; a second outer electrode that is connected to the other side of the thermoelectric element and is applied with negative voltage; an upper inner electrode layer that is embedded in an upper portion of the thermoelectric element and is mutually connected to the first outer electrode; and a lower inner electrode layer that is embedded in a lower portion of the thermoelectric element and is mutually connected to the second outer electrode. | 11-08-2012 |
20120279544 | THERMOELECTRIC MODULE - Disclosed herein is a thermoelectric module using a thermoelectric element capable of showing a spin Seebeck effect. The present invention provides a new thermoelectric module including: an upper substrate on which a plurality of upper metal electrodes are arranged; a lower substrate on which a plurality of lower metal electrodes are arranged; p-type semiconductor devices and n-type semiconductor devices that are disposed between the upper substrate and the lower substrate and are electrically bonded alternately to each other by the plurality of upper metal electrodes and the plurality of lower metal electrodes; and ferrite elements that are disposed between the p-type semiconductor devices and the n-type semiconductor devices, top ends and bottom ends of the ferrite elements being bonded to the upper metal electrodes and the lower metal electrodes. | 11-08-2012 |
20120302683 | METHOD OF PREPARING REDUCED GRAPHENE OXIDE AND REDUCED GRAPHENE OXIDE-POLYMER COMPOSITES - Methods of preparing reduced graphene oxide and reduced graphene oxide-polymer composites. The methods include covalently binding a halogen-substituted aromatic compounds to a graphene oxide and heat treating the graphene oxide with the halogen-substituted aromatic compounds covalently bound thereto at a low temperature, for example, 450° C. or less. By using the methods, reduced graphene oxide and reduced graphene oxide-polymer composites that have high electrical conductivities (e.g., 30,000 S/m or more) may be obtained. | 11-29-2012 |
20130014516 | THERMOELECTRIC MODULEAANM Yang; Ju HwanAACI Gyeonggi-doAACO KRAAGP Yang; Ju Hwan Gyeonggi-do KRAANM Choi; Dong HyeokAACI Gyeonggi-doAACO KRAAGP Choi; Dong Hyeok Gyeonggi-do KRAANM Lee; Sung HoAACI Gyeonggi-doAACO KRAAGP Lee; Sung Ho Gyeonggi-do KRAANM Wi; Sung KwonAACI SeoulAACO KRAAGP Wi; Sung Kwon Seoul KR - Disclosed herein is a thermoelectric module. The thermoelectric module includes a first substrate, a second substrate, a diffusion prevention layer, and a thermoelectric device, wherein each of the first and second substrates is stacked with: a heat radiation layer performing heat generation reaction or heat adsorption reaction when power is applied to the thermoelectric module; an insulating layer formed on one surface of the heat radiation layer and formed in a first square wave pattern having a first protrusion part and a first groove part; and an electrode layer buried into the first groove part formed on a surface of the insulating layer. | 01-17-2013 |
20130014795 | THERMOELECTRIC MODULEAANM YANG; Ju HwanAACI Gyeonggi-doAACO KRAAGP YANG; Ju Hwan Gyeonggi-do KRAANM CHOI; Dong HyeokAACI Gyeonggi-doAACO KRAAGP CHOI; Dong Hyeok Gyeonggi-do KRAANM LEE; Sung HoAACI Gyeonggi-doAACO KRAAGP LEE; Sung Ho Gyeonggi-do KRAANM WI; Sung KwonAACI SeoulAACO KRAAGP WI; Sung Kwon Seoul KR - Disclosed herein is a thermoelectric module. The thermoelectric module includes: an upper substrate and a lower substrate each having a plurality of grooves formed on one surface thereof; a plurality of heat radiation pads embedded in the plurality of grooves; a plurality of electrodes formed on surfaces of the plurality of heat radiation pads and corresponding to the plurality of heat radiation pads one by one; and thermoelectric elements including p-type elements and n-type elements and electrically connected to the plurality of electrodes. According to the present invention, the heat radiation pads are embedded in the respective grooves formed on the upper substrate and the lower substrate, thereby maximizing heat transfer efficiency, and functioning as an insulator for preventing an electric short between the substrates and the electrodes. | 01-17-2013 |
20130020842 | PIEZOELECTRIC MODULE AND SEAT FOR VEHICLE INCLUDING THE SAME - Disclosed herein are a piezoelectric module and a sheet for a vehicle including the same. The sheet includes: a seat board part supporting a passenger's lower body; a backplate part formed to be extended in a direction perpendicular to one side of the seat board part and supporting the passenger's upper body; and a piezoelectric module formed in the seat board part and generating warm air or cold air using a flow of a current generated by vehicle vibration to thereby transfer the generated warm air or cold air to the passenger's body. | 01-24-2013 |
20130068270 | THERMOELECTRIC MATERIAL, METHOD FOR PREPARING THE SAME, AND THERMOELECTRIC MODULE INCLUDING THE SAME - Disclosed herein is a thermoelectric material having a plate type layered structure where each layer has a thickness of 30 nm or less, a method for preparing the same, and a thermoelectric module using the same. | 03-21-2013 |
20130074897 | THERMOELECTRIC MODULE AND MANUFACTURING METHOD FOR THERMOELECTRIC MODULE - The present invention is related to a thermoelectric module and a method for manufacturing the same. The thermoelectric module includes a substrate, a bottom electrode and a thermoelectric semiconductor. The thermoelectric module further includes an insulating layer integrally formed on a whole exposed surface of the bottom electrode, a portion of exposed surface of the thermoelectric semiconductor and a portion of exposed surface of the substrate; a contact hole provided in the insulating layer to expose a portion of a top surface of the thermoelectric semiconductor; and a top electrode to electrically connect at least two thermoelectric semiconductors by being formed on a surface of at least two thermoelectric semiconductors exposed by the contact hole and a portion of a top surface of the insulating layer. | 03-28-2013 |
20130081663 | THERMOELECTRIC MODULE - The present invention relates to a thermoelectric module, there is provided a thermoelectric module including a metal layer surface treated for securing roughness at one surface thereof and a top substrate and a bottom substrate made of an insulating film formed on the surface treated one surface. | 04-04-2013 |
20130087179 | THERMOELECTRIC MODULE - Provided is a thermoelectric module applied to an energy storage device cooling system to increase the cooling efficiency. The thermoelectric module includes P-type thermoelectric elements and N-type thermoelectric elements disposed alternately, a metal electrode provided between each P-type thermoelectric element and each N-type thermoelectric element, a heat absorbing plate connected to a bottom side of the metal electrode located between the P-type thermoelectric element and the N-type thermoelectric element, and a heat emitting plate connected to a top side of the metal electrode located between the N-type thermoelectric element and the P-type thermoelectric element. | 04-11-2013 |