Patent application number | Description | Published |
20080310778 | Air Foil Bearing Having a Porous Foil - There is provided an air foil bearing. The air foil bearing comprises a bearing house and a first foil, wherein a first end of the first foil is fixed with respect to the bearing housing and a second end of the first foil is extended along a peripheral surface of a rotating shaft while maintaining a predetermined clearance with respect to the rotating shaft to thereby become a free end. The air foil bearing also comprises a second foil fabricated from a porous metallic material and extended along the first foil between the first foil and the bearing housing. | 12-18-2008 |
20090008881 | Labyrinth Seal For Adjusting Gap - The present invention relates to a labyrinth seal used for controlling the axial leakage rate of a working fluid by using the rotating shaft of a turbo-machine such as a compressor or turbine The labyrinth seal includes: a seal disk radially extending from a rotating shaft and being formed on the rotating shaft; a seal ring spaced apart from the seal disk and being opposed to the seal disk; an actuator for moving the seal ring to adjust a gap between the seal disk and the seal ring; and a controller for controlling an operation of the actuator. By actively adjusting the gap between the seal disk and the seal ring, it is possible to effectively prevent the working fluid from leaking. | 01-08-2009 |
20090242674 | MOBILE WASTE DISPOSAL SYSTEM - A waste disposal system includes a pulverizing tank where wastes are put into; a pulverizing device for pulverizing the wastes and making them into slurry; one or more heat and dry tanks connected to the pulverizing tank for drying and heating the slurry; a heating device for heating the heat and dry tank; and a vapor discharge device for discharging vapors generated by the heat and dry process of the slurry. The waste disposal system further includes a slurry drain unit for discharging the heated and dried slurry. | 10-01-2009 |
20100247010 | AIRFOIL-MAGNETIC HYBRID BEARING AND A CONTROL SYSTEM THEREOF - The present invention relates to an airfoil-magnetic hybrid bearing, which is a combination of a magnetic bearing and airfoil bearing. An airfoil-magnetic hybrid bearing of the present invention comprises: a housing around a rotating shaft of a rotation device; an airfoil bearing positioned between the housing and the rotating shaft for forming dynamic pressure to levitate the rotating shaft during rotation of the rotating shaft; a magnetic bearing including a plurality of cores positioned radially between inner surface of the housing and outer surface of the airfoil bearing, the cores being projected to the center of the rotating shaft, and coils wound to the cores to levitate the rotating shaft using a magnetic attractive force generated by a current application thereto; and a coupling segment for coupling the airfoil bearing to the magnetic bearing directly. | 09-30-2010 |
20110038717 | OIL-FREE TURBOCHARGER ASSEMBLY - The present invention relates to an oil-free turbocharger assembly using an airfoil bearing that may be useful in high speed conditions. The assembly can be cooled easily. A heat-proof coating can also be easily applied to the turbo charger's rotating shaft. In one embodiment, an oil-free turbocharger assembly has a constant distance between a journal portion and a rotating shaft so that the mass of the rotating body can be minimized and the rotating body assembly can have a small moment of inertia. The turbocharger in some embodiments of the invention may be cooled by a refrigerant which improves cooling efficiency. Each part of the rotating body assembly in some embodiments may be individually treated with a heat-proof process so that productivity can be improved. | 02-17-2011 |
20140376850 | CAGE FOR ROLLING BEARING - A cage for a rolling bearing is coupled to a rolling bearing including an inner ring, an outer ring and a plurality of rolling elements rolling between the inner ring and the outer ring to keep intervals of the plurality of rolling elements, wherein the plurality of rolling elements include bodies coupled along a circumference thereof at predetermined intervals, wherein each of the bodies includes a first piece and a second piece which are attachable to each other and detachable from each other. A first coupler and a second coupler configured to be capable of being coupled to each other are respectively formed at the first piece and the second piece, and the first piece and the second piece are primarily coupled by means of a coupling force of the first coupler and the second coupler. | 12-25-2014 |
20150143808 | HYBRID TURBINE GENERATION SYSTEM - The present disclosure provides a turbine generation system, including a first turbine part that is configured to have a first impeller rotated by an introduced fluid, and a second turbine part that is configured to have a second impeller rotated by steam, evaporated within a cycle unit, in which the fluid circulates along a rankine cycle, wherein the fluid, which is discharged from the first turbine part after rotating the first impeller, is heat-exchanged with a refrigerant of an evaporator disposed in the cycle unit. | 05-28-2015 |