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| 20090211283 | Heat storage air conditioner - The present invention relates to a heat storage air conditioner. The heat storage air conditioner includes an outdoor unit having an outdoor heat exchanger for making heat exchange, and at least one compressor for compressing refrigerant, an indoor unit having at least one indoor heat exchanger for making heat exchange, a thermal storage unit for storing energy, the thermal storage unit having a thermal storage heat exchanger for making heat exchange, and at least one functional unit for selective control of a refrigerant flow among the outdoor unit, the indoor unit and the thermal storage unit according to an operation condition. | 08-27-2009 |
| 20100043473 | THERMAL STORAGE AIR CONDITIONER - Thermal storage air conditioner including an outdoor unit having an outdoor heat exchanger for making heat exchange, and at least one compressor for compressing refrigerant, an indoor unit having at least one indoor heat exchanger for making heat exchange, a thermal storage unit having a thermal storage tank for holding thermal storage substance therein, a thermal storage heat exchanger for receiving refrigerant from an outside of the thermal storage unit to heat exchange with the thermal storage substance in the thermal storage tank, and a securing member for securing the thermal storage heat exchanger so as to maintain the thermal storage heat exchanger submerged under the thermal storage substance in the thermal storage tank, and a functional unit for selective control of refrigerant flows among the outdoor unit, the indoor unit and the thermal storage unit according to an operation condition, thereby maintaining the thermal storage heat exchanger in the thermal storage tank securely, to prevent drop of heat exchange efficiency caused by movement of the thermal storage heat exchanger. | 02-25-2010 |
| 20100089080 | Thermal Storage Air Conditioner - The present invention relates to air conditioners, and more particularly, to a thermal storage air conditioner in which a cold heat is produced and stored in a tank during night time for using the cold heat during day time for cooling a room. For this, the thermal storage air conditioner includes an outdoor unit having an outdoor heat exchanger for making heat exchange, and at least one compressor for compressing refrigerant, an indoor unit having a plurality of indoor heat exchangers for making heat exchange, a thermal storage unit for storing energy, the thermal storage unit having a plurality of thermal storage heat exchangers for making heat exchange, and a functional unit having a plurality of valves for selective control of refrigerant flows among the outdoor unit, the indoor unit and the thermal storage unit according to an operation mode, and a valve controller for making a unitary control of operation of the valves. | 04-15-2010 |
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| 20090088594 | BISMUTH MOLYBDATE-BASED CATALYSTS, METHOD OF PREPARING THEREOF AND METHOD OF PREPARING 1,3-BUTADIENE USING THEREOF - This invention relates to a bismuth molybdate catalyst, a preparation method thereof, and a method of preparing 1,3-butadiene using the same, and to a bismuth molybdate catalyst, a preparation method thereof, and a method of preparing 1,3-butadiene using the same, in which 1,3-butadiene can be prepared through oxidative dehydrogenation directly using a C4 mixture including n-butene and n-butane as a reactant in the presence of a mixed-phase bismuth molybdate catalyst including α-bismuth molybdate (Bi2Mo3On) and γ-bismuth molybdate (Bi2MoO6). According to this invention, the C4 raffinate, containing many impurities, is used as a reactant, without an additional n-butane separation process, thus obtaining 1,3-butadiene at high yield. Unlike complicated multicomponent-based metal oxides, the catalyst of the invention has simple constituents and synthesis routes, and can be easily formed through physical mixing, and thus is very advantageous in assuring reproducibility and can be directly applied to commercial processes. | 04-02-2009 |
| 20100121123 | ZINC FERRITE CATALYSTS, METHOD OF PREPARING THEREOF AND METHOD OF PREPARING 1,3-BUTADIENE USING THEREOF - The present invention relates to a zinc ferrite catalyst, a method of producing the same, and a method of preparing 1,3-butadiene using the same. Specifically, the present invention relates to a zinc ferrite catalyst which is produced in a pH-adjusted solution using a coprecipitation method, a method of producing the same, and a method of preparing 1,3-butadiene using the same, in which the 1,3-butadiene can be prepared directly using a C4 mixture including n-butene and n-butane through an oxidative dehydrogenation reaction. The present invention is advantageous in that 1,3-butadiene can be obtained at a high yield directly using a C4 fraction without performing an additional process for separating n-butene, as a reactant, from a C4 fraction containing impurities. | 05-13-2010 |
| 20100125161 | METHOD OF PREPARING MULTICOMPONENT BISMUTH MOLYBRDATE CATALYSTS WITH CONTROLLING PH AND A METHOD OF PREPARING 1,3-BUTADIENE USING THEREOF - This invention relates to a method of preparing a multicomponent bismuth molybdate catalyst by changing the pH of a coprecipitation solution upon coprecipitation and a method of preparing 1,3-butadiene using the catalyst. The multicomponent bismuth molybdate catalyst, coprecipitated using a solution having an adjusted pH, the preparation method thereof, and the method of preparing 1,3-butadiene through oxidative dehydrogenation using a C4 mixture including n-butene and n-butane as a reactant are provided. The C4 raffinate, containing many impurities, is directly used as a reactant without an additional process for separating n-butane or extracting n-butene, thus obtaining 1,3-butadiene at high yield. The activity of the multicomponent bismuth molybdate catalyst can be simply increased through precise pH adjustment upon coprecipitation, which is not disclosed in the conventional techniques. This method can be applied to the increase in the activity of multicomponent bismuth molybdate catalysts reported in the art. | 05-20-2010 |
| 20100249482 | METHOD OF PREPARING MULTICOMPONENT BISMUTH MOLYBDATE CATALYSTS COMPRISING FOUR METAL COMPONENTS AND METHOD OF PREPARING 1,3-BUTADIENE USING SAID CATALYSTS - This invention relates to a method of preparing multicomponent bismuth molybdate catalysts composed of four metal components and a method of preparing 1,3-butadiene using the catalyst, and particularly, to multicomponent bismuth molybdate catalysts composed of a divalent cationic metal, a trivalent cationic metal, bismuth and molybdenum, a preparation method thereof, and a method of preparing 1,3-butadiene from a C4 mixture including n-butene and n-butane using oxidative dehydrogenation. According to this invention, it is possible to prepare catalysts having high activity for the preparation process of 1,3-butadiene only using four metal components as shown through systematic investigation of types and ratios of metal components, unlike conventional multicomponent metal oxide catalysts having a complicated composition of metal components. | 09-30-2010 |
| 20100280300 | MIXED MANGANESE FERRITE CATALYSTS, METHOD OF PREPARING THEREOF AND METHOD OF PREPARING 1,3-BUTADIENE USING THEREOF - A method of producing a mixed manganese ferrite catalyst, and a method of preparing 1,3-butadiene using the mixed manganese ferrite catalyst. Specifically, a method of producing a mixed manganese ferrite catalyst through a coprecipitation method which is performed at a temperature of 10˜40° C., and a method of preparing 1,3-butadiene using the mixed manganese ferrite catalyst through an oxidative dehydrogenation reaction, in which a C4 mixture containing n-butene, n-butane and other impurities is directly used as reactants without performing additional n-butane separation process or n-butene extraction. 1,3-butadiene can be prepared directly using a C4 mixture including n-butane at a high concentration as a reactant through an oxidative hydrogenation reaction without performing an additional n-butane separation process, and 1,3-butadiene, having high activity, can be also obtained in high yield for a long period of time. | 11-04-2010 |
| 20110004041 | METHOD OF PRODUCING 1,3-BUTADIENE FROM N-BUTENE USING CONTINUOUS-FLOW DUAL-BED REACTOR - A method of producing 1,3-butadiene by the oxidative dehydrogenation of n-butene using a continuous-flow dual-bed reactor designed such that two kinds of catalysts charged in a fixed-bed reactor are not physically mixed. More particularly, a method of producing 1,3-butadiene by the oxidative dehydrogenation of n-butene using a C4 mixture including n-butene and n-butane as reactants and using a continuous-flow dual-bed reactor in which a multi-component bismuth molybdate catalyst and a zinc ferrite catalyst having different reaction activity in the oxidative dehydrogenation reaction of n-butene isomers (1-butene, trans-2-butene, cis-2-butene). | 01-06-2011 |
| 20110236564 | PREPARATION METHOD OF METAL OXIDE DOPED MONOLITH CARBON AEROGEL FOR CAPACITANCE CAPACITOR - Provided is a preparation method of a metal oxide doped monolith carbon aerogel for a high capacitance capacitor, the including: preparing a monolith carbon aerogel by performing a thermal decomposition of a moist gel dried in condition of a atmospheric pressure and a room temperature in a nitrogen atmosphere; impregnating the monolith carbon aerogel into alcohol where a metal precursor is dissolved; and calcinating the monolith carbon aerogel where the metal precursor is impregnated in an atmospheric atmosphere. By impregnating the metal oxide into the monolith carbon aerogel, a limit of capacitance may be enhanced using a pseudo capacitance effect by an interfacial oxidation reduction reaction. | 09-29-2011 |
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| 20080245691 | Packaging case of wiper blade - Disclosed herein is a packaging case of a wiper blade used to wipe a windscreen of automobiles. The wiper blade includes a wiper strip to wipe a windshield of an automobile. The packaging case includes a body having an accommodation space to accommodate the wiper blade and an opening to open the accommodation space, a cover connected pivotally to a first side of the body via a first connecting part to cover the opening, and a locking section connected pivotally to a second side of the body, opposed to the first side, via a second connecting part to be engaged with the body with one end of the cover interposed between the locking section and the body. The packaging case can protect the wiper blade from external force and prevent damage of the wiper blade during delivery and distribution, and can ensure simple, compact and tight packaging of the wiper blade. | 10-09-2008 |
| 20100293738 | WARNING INDICATOR FOR USE WITH WIPER BLADES, METHOD OF OPERATING THE SAME AND WIPER BLADE WITH A WARNING INDICATOR - Various embodiments of a warning indicator for use with wiper blades are provided. In one embodiment, the warning indicator has a housing, a counting unit disposed in the housing, an indicating unit exposed on the housing and an electrical source. The housing is coupled to an oscillating wiper blade of a windshield wiper device. The counting unit is configured to detect oscillating movements of the wiper blade one at a time. The counting unit is configured such that an oscillating number of the wiper blade is accumulatively increased. The indicating unit indicates a warning under control of the counting unit when the oscillating number comes to a predetermined value. The electrical source supplies an electrical power to the counting unit and the indicating unit. | 11-25-2010 |
| 20100307940 | PACKAGING CASE FOR A WIPER BLADE - Disclosed is a packaging case for a wiper blade that can maintain the wiper blade in a secured state by securing elements formed in the packaging case to prevent damage of the wiper blade while minimizing the volume of the packaging case and providing a suitable shape for large capacity packaging. The packaging case is used for a wiper blade curvedly deformed into an arc shape when mounted and used on a vehicle. The packaging case includes a lower case having an accommodation part receiving the wiper blade, an upper case covering the lower case to close the accommodation part, and a plurality of securing protrusions formed inside the accommodation part to allow the wiper blade to be received in the accommodation part while maintaining a linear shape. | 12-09-2010 |
| 20110225761 | WIPER BLADE - The present invention generally relates to a wiper blade for wiping a windshield, and more particularly to wiper blade including a spoiler that forms an air flow allowing the wiper blade to be in close contact with the windshield. The wiper blade according to the present invention has a frame, a spoiler receiving the frame therein and forming an upper surface of the wiper blade and a wiper lip extending downwardly from the frame to contact a windshield. The wiper blade includes the following: a frame including an adaptor coupler at a midway portion; a spoiler receiving the frame and provided next to either side of the adaptor coupler, the spoiler having a cross-section including leg sides of a front surface and a rear surface and a topside of a top surface; and an adaptor mounted to the adaptor coupler and connecting the frame to a wiper arm. A width of the top surface connecting the front surface and the rear surface of the spoiler is maximal near the adaptor coupler and becomes narrower toward a longitudinal end of the spoiler. | 09-22-2011 |
| 20110248013 | WIPER BLADE WITH HEATING ELEMENTS AND METHOD FOR CONTROLLING THE WIPER BLADE - Disclosed is a method for controlling a wiper blade with heating elements embedded therein and coupled to a wiper arm of a vehicle to wipe a glass surface while moving together with the wiper arm. The method includes: detecting the operation or not of an engine of a vehicle; detecting the external temperature outside of the vehicle; and automatically supplying power to the heating elements based on the detected information on the operation of the engine and the temperature information. A wiper blade with heating elements capable of optimally maintaining a condition of the wiper blade even when the external temperature is low is also provided. | 10-13-2011 |
