Won-Wook
Won Wook Jung, Daejeon KR
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20160072290 | APPARATUS AND METHOD FOR OPERATING DISTRIBUTED GENERATOR IN CONNECTION WITH POWER SYSTEM - An apparatus for operating a distributed generator in connection with a power system includes an input unit which receives a parameter calculated using power system information and a voltage and a current at a point of common coupling with the distributed generator, with which the distributed generator is connected, a calculation unit which calculates an operating power factor instruction value and an active output instruction value using the parameter and the voltage and current at the point of common coupling with the distributed generator input to the input unit, and a control communication unit which determines and transmits the operating power factor instruction value and the active output instruction value according to the voltage at the point of common coupling with the distributed generator input to the input unit and an admissible voltage upper limit at the point of common coupling with the distributed generator to the distributed generator. | 03-10-2016 |
Won Wook Kim, Seoul KR
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20150380778 | BATTERY CELL ASSEMBLY AND BATTERY MODULE FOR DETECTING SWELLING PHENOMENON THEREOF - A battery cell assembly includes a battery cell, a cartridge surrounding an edge of the battery cell and having insertion holes on opposite sides thereof, and a strap section disposed across one surface of the battery cell and having an elongated body part, fastening parts on opposite ends of the elongated body part, and a press pin protruding vertically from the elongated body part. A battery module capable of detecting swelling includes the plurality of battery cell assemblies. | 12-31-2015 |
Won Wook Lee, Seoul KR
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20090047045 | IMAGE FORMING APPARATUS - An image forming apparatus capable of collecting residual toner from the donor roller by means of a plurality of magnetic rollers and consequently, reducing the occurrences of possible ghost phenomenon caused by the toner residue. The image forming apparatus includes an image receiving member having an electrostatic latent image formed on a surface thereof, a donor roller to receive a toner and form a layer of toner on an outer circumferential surface thereof, the donor roller being arranged to oppose the image receiving member so as to develop with toner the electrostatic latent image of the image receiving member, and a plurality of magnetic rollers each to support magnetic brushes of carrier. | 02-19-2009 |
20110158693 | CHARGE DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - A charge device including an electrode arranged to face an object to be charged, and an image forming apparatus having the same. The electrode includes an electrode body made of a conductive material, a first layer made of carbon and formed on an outer surface of the electrode body, and a second layer made of a metal and formed between the electrode body and the first layer, to reduce and/or impede oxidization thereof. | 06-30-2011 |
Won-Wook Jung, Daeojon KR
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20090086388 | CONTROL METHOD FOR PREVENTING MALFUNCTION OF OVER CURRENT GROUND RELAY DUE TO REVERSE POWER - A control method for preventing malfunction of an over current ground relay is disclosed. The control method includes: determining directions of per-phase power flows by measuring the magnitudes and phases of per-phase voltages and currents in an electric power system; checking occurrence of a load fault or a power source fault using the determined directions of per-phase power flows; and controlling an over current ground relay (OCGR) or an over current relay (OCR) to transmit a trip signal to a circuit breaker, after, upon occurrence of a load fault, checking occurrence of a ground fault and checking occurrence of a short circuit fault, and, upon occurrence of a power source fault, checking occurrence of a short circuit fault without checking occurrence of a ground fault, by turning on or off the OCGR or the OCR according to occurrence of a ground fault or a short circuit fault. | 04-02-2009 |
Won-Wook Kim, Simponsville, SC US
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20130255266 | Transition Nozzle Combustion System - The present application provides a combustion system for use with a cooling flow. The combustion system may include a head end, an aft end, a transition nozzle extending from the head end to the aft end, and an impingement sleeve surrounding the transition nozzle. The impingement sleeve may define a first cavity in communication with the head end for a first portion of the cooling flow and a second cavity in communication with the aft end for a second portion of the cooling flow. The transition nozzle may include a number of cooling holes thereon in communication with the second portion of the cooling flow. | 10-03-2013 |
Won-Wook Kim, Greenville, SC US
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20140137535 | CLOCKED COMBUSTOR CAN ARRAY - The present application provides a clocked combustor can array for coherence reduction in a gas turbine engine. The clocked combustor can array may include a number of combustor cans positioned in a circumferential array. A first set of the combustor cans may have a first orientation and a second set of the combustor cans may have a second orientation. | 05-22-2014 |
Won-Wook Kim, Simpsonville, SC US
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20130255262 | Combustor with Non-Circular Head End - The present application provides a combustor for use with a gas turbine engine. The combustor may include a head end with a non-circular configuration, a number of fuel nozzles positioned about the head end, and a transition piece extending downstream of the head end. | 10-03-2013 |
20130283802 | COMBUSTOR - A combustor includes an end cap that extends radially across at least a portion of the combustor, wherein the end cap comprises an upstream surface axially separated from a downstream surface. A shroud circumferentially surrounds at least a portion of the end cap, wherein the shroud at least partially defines a fuel plenum between the upstream surface and the downstream surface. A combustion chamber downstream from the end cap defines a longitudinal axis. A plurality of tubes extend from the upstream surface through the downstream surface of the end cap to provide fluid communication through the end cap to the combustion chamber. A transition duct circumferentially surrounds at least a portion of the combustion chamber downstream from the end cap and curves tangentially from the longitudinal axis. | 10-31-2013 |
20130283804 | TRANSITION DUCT WITH LATE INJECTION IN TURBINE SYSTEM - A system for supplying an injection fluid to a combustor is disclosed. The system includes a transition duct comprising an inlet, an outlet, and a passage extending between the inlet and the outlet and defining a longitudinal axis, a radial axis, and a tangential axis. The outlet of the transition duct is offset from the inlet along the longitudinal axis and the tangential axis. The passage defines a combustion chamber. The system further includes a tube providing fluid communication for the injection fluid to flow through the transition duct and into the combustion chamber. | 10-31-2013 |
Won-Wook Lee, Gyeonggi-Do KR
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20130271013 | METHOD AND APPARATUS FOR USING PORTABLE TERMINAL - A method for using a portable terminal in a dark environment by checking a battery level and an ambient illuminance; and driving a light-emitting unit corresponding to a preset terminal according to predetermined criteria based on the check outcome. | 10-17-2013 |
20130283080 | APPARATUS AND METHOD FOR CONTROLLING POWER OF EXTERNAL MEMORY IN MOBILE TERMINAL - An external memory power control apparatus and method capable of controlling power of an external memory inserted into a mobile terminal. The external memory power control apparatus includes an external memory power switch for switching between a power supply and an external memory to supply or block power for the external memory; and a controller, when ‘power-on’ is selected on the mobile terminal, for checking and notifying operability of the external memory inserted into the mobile terminal after completing booting while the external memory power switch turned off, wherein the controller may selectively turn on/off the external memory power switch depending on operability of the external memory. | 10-24-2013 |
Won-Wook Park, Changwon-Si KR
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20150152528 | METHOD FOR PREPARING RECYCLED LOW-NICKEL MAGNESIUM ALLOY USING MAGNESIUM SCRAPS - The present invention relates to a method for preparing a recycled low-nickel magnesium alloy using magnesium scraps. More particularly, the recycled magnesium alloy having a reduced nickel content can be prepared by adding Al and misch metal to molten magnesium scraps so as to form an Ni—Al-misch metal three-phase alloy or cluster thereof; and separating and removing the formed Ni—Al-misch metal three-phase alloy or the cluster thereof using gravity. | 06-04-2015 |