| DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO., LTD. Patent applications |
| Patent application number | Title | Published |
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| 20120125876 | MAINTENANCE SYSTEM FOR WIND TURBINE EQUIPMENT - The present invention provides a maintenance system for wind turbine equipment. The maintenance system includes a trolley support unit ( | 05-24-2012 |
| 20120003550 | STEAM GENERATOR FOR FUEL CELL WITH DUAL USE FOR HEATING FUEL ELECTRODE GAS - The steam generator for a fuel cell with dual use for heating fuel electrode gas according to the invention is configured as a single unit comprising a steam generator ( | 01-05-2012 |
| 20110287333 | REINFORCED MATRIX IMPREGNATED WITH ELECTROLYTES FOR MOLTEN CARBONATE FUEL CELL AND FABRICATION METHOD THEREOF - The present invention relates to an electrolyte-impregnated, reinforced matrix for molten carbonate fuel cells and a manufacturing method thereof. According to the invention, the electrolyte-impregnated matrix, which comprises both the electrolyte and the reinforcing particles including a metal and an oxide, is manufactured by adding the electrolyte, as required per unit cell of a fuel cell, and the reinforcing particles including the metal and the oxide, to a slurry during the matrix preparation step, and subjecting the resulting slurry to a tape casting process. By doing so, the matrix stacking operation is facilitated, and the matrix manufacturing process is simplified. In addition, cracking caused by the difference in thermal expansion coefficient between an electrolyte sheet and the matrix can be suppressed, and thermal shock occurring during operation of the fuel cell stack can be reduced, thus improving the performance and lifetime of the fuel cell. | 11-24-2011 |
| 20110250521 | METHOD OF MANUFACTURING ANODE FOR IN-SITU SINTERING FOR MOLTEN CARBONATE FUEL CELL - Disclosed herein is a method of manufacturing an anode for in-situ sintering for a molten carbonate fuel cell, in which an anode green sheet is prepared using a slurry, and then a reinforcing layer is placed on the anode green sheet and then pressed, thereby improving the mechanical stability of a fuel cell stack and the long term stability of an anode, and an anode manufactured using the method. | 10-13-2011 |
| 20110221204 | NACELLE COOLING SYSTEM FOR WIND TURBINE - Provided is a nacelle cooling system of a wind turbine. The disclosed nacelle cooling system of a wind turbine comprises cooling blocks which are arranged in order to respectively surround one or more heating devices installed inside a nacelle, a passage pipe line which is connected to the cooling blocks for coolant to flow, a primary heat exchanger which is connected to the passage pipe line and arranged on the outer lateral surface of the nacelle, and a secondary heat exchanger which is capable of absorbing heat generated inside the nacelle and discharging the heat. The nacelles of the primary and secondary heat exchangers are sealed from the outside. Therefore, when the nacelle of the wind turbine is operated in a coastal environment, the present invention can prevent performance of turbine facilities from lowering caused by erosion because the nacelle is completely sealed from external salt. | 09-15-2011 |
| 20110132840 | System and Method for using Carbon Dioxide Sequestered from Seawater in the Remineralization of Process Water - Disclosed is an improved method for remineralizing desalinated water. The desalination system includes, but is not limited to, a conventional reverse osmosis membrane system, forward osmosis membrane system, electro dialysis system, Multi Stage Flash (MSF) system, and Multi Effect Distillation (MED) system. | 06-09-2011 |
| 20100196778 | MANUFACTURING METHOD OF POROUS METAL ELECTRODE FOR MOLTEN CARBONATE FUEL CELLS USING DRY PROCESS - The present invention provides a method of manufacturing a porous metal electrode for a molten carbonate fuel cell using a dry process. According to the method of manufacturing a porous metal electrode of the present invention, in the press process for controlling the thickness of dry-cast metal powder and rearranging the dry-cast metal powder, the microstructure of the porous metal electrode can be controlled, and the uniformity of the thickness of the porous metal electrode can also be controlled. Therefore, the method of manufacturing a porous metal electrode according to the present invention can be used to manufacture both an anode and a cathode. | 08-05-2010 |
| 20100148601 | SUPERCONDUCTING ROTATING MACHINE HAVING COOLER FOR ROTATOR - A superconducting rotating machine having a cooler for a rotator is provided. The superconducting rotating machine includes a rotator wound with a superconducting coil, a stator enclosing the rotator and separated therefrom by a predetermined gap, the cooler having a cold head directly attached to the rotator and at least one compressor connected with the cold head, and a flexible coupling disposed between the cold head and the compressor and enabling a cryogenic refrigerant to flow therein. The cold head is directly connected to the rotator, and the cold head and the compressor are driven using the flexible coupling, so that it is possible to prevent vibration of the compressor and enhance cooling efficiency by thermally separating the cryogenic cold head from the compressor. | 06-17-2010 |
| 20100061869 | CRYOGENIC FLUID CIRCULATION PUMP - Disclosed is a cryogenic fluid circulation pump that is capable of preventing heat from permeating into a cryogenic fluid by convection during the circulation of the cryogenic fluid by the pump and, at the same time, minimizing the transfer of heat to the cryogenic fluid circulating through a shaft rotating to rotate the pump. The cryogenic fluid circulation pump includes a magnet pump unit mounted in a vacuum chamber having an introduction channel and a discharge channel formed therein to prevent heat from permeating into the cryogenic fluid by convection for rotating by a magnetic force to circulate the cryogenic fluid, when a rotary force from a power source is transmitted to the magnet pump unit. | 03-11-2010 |
| 20100060089 | DEVICE FOR COOLING CURRENT LINES OF SUPERCONDUCTING ROTATING MACHINE - A cooling device for current lines of a superconducting rotating machine, which is capable of removing heat generated from the current lines of the superconducting rotating machine, thereby effectively preventing a superconducting coil from being deformed due to the heat generated from the current lines, is disclosed. The cooling device includes heat conduction members respectively mounted to outer surfaces of the current lines. Each heat conduction member is in contact with an inner peripheral surface of the stator such that the heat conduction member transfers, to the stator, heat generated from a corresponding one of the current lines. The heat conduction member further includes insulators each surrounding a corresponding one of the current lines between a corresponding one of the heat conduction members and a power slip ring arranged in the stator, to thermally insulate the heat generated from the corresponding current line. | 03-11-2010 |
| 20100058790 | ROTARY TYPE ULTRALOW TEMPERATURE REFRIGERANT SUPPLY APPARATUS - The rotary type ultralow temperature refrigerant supply apparatus includes a refrigerant introduction pipe coupled to the super conductive rotor for supplying a liquid-phase ultralow temperature refrigerant cooled by the refrigeration system to the evaporator, a refrigerant withdrawal pipe disposed spaced apart from the refrigerant introduction pipe for withdrawing a gas-phase ultralow temperature refrigerant obtained through the evaporation of the liquid-phase refrigerant by the evaporator and guiding the withdrawn gas-phase ultralow temperature refrigerant to the refrigeration system, and a vacuum housing fixedly disposed outside the refrigerant introduction pipe and the refrigerant withdrawal pipe, the vacuum housing having a vacuum heat insulation space defined inside. | 03-11-2010 |
| 20090310896 | TILTING PAD JOURNAL BEARING MOUNTED WITH STEPPED SEAL TOOTH AT OIL SUPPLY PART DISPOSED BETWEEN BEARING PADS - A tilting pad journal bearing mounted with a stepped seal tooth at an oil supply part disposed between bearing pads is disclosed. More particularly, the tilting pad journal bearing is formed by mounting a plurality of the bearing pads between an inner circumference of a bearing case and an outer circumference of a rotor, and mounting the seal tooth only to the oil supply part formed between the bearing pads to supply cooling lubricant while removing the seal tooth from a bearing pad part to thereby reduce a frictional torque between the bearing and the rotor and metal temperature, such that performance of the bearing pad can be guaranteed and the capability of the bearing can be improved by reducing loss of a driving force. | 12-17-2009 |
