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Jung, Changwon-Si
Ahn Kyun Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110028268 | SYSTEM AND METHOD FOR CONTROLLING ENGINE REVOLUTIONS FOR HYBRID CONSTRUCTION MACHINE - A system and method for controlling engine revolutions for a hybrid construction machine is provided. The system for controlling engine revolutions for a hybrid construction machine, including an engine, a hydraulic pump which is driven by the engine to drive a hydraulic actuator with discharged hydraulic fluid, a motor-generator which is driven by the engine to generate electricity and to drive the hydraulic pump as a motor supplementing the engine, an energy storage device which is charged with electric energy generated by the motor-generator and which supplies the electric energy for motor operation of the motor-generator, a torque detection means for detecting an output torque of the hydraulic pump that is required to drive the hydraulic actuator, and a hybrid control means for controlling the motor operation of the motor-generator so as to supplement the engine output if the change of the output torque of the hydraulic pump detected by the torque detection means exceeds a predetermined level and it is determined that an engine revolution drop will occur. | 02-03-2011 |
| 20110029175 | CONTROL SYSTEM AND METHOD FOR HYBRID CONSTRUCTION MACHINE - A control system and method for a hybrid construction machine is provided. The control system for a hybrid construction machine includes an engine, a hydraulic pump driven by the engine to drive a hydraulic actuator, a motor-generator driven by the engine to generate electricity and to drive the hydraulic pump as a motor supplementing the engine, an energy storage device charged with electric energy generated by the motor-generator and supplying the electric energy for motor operation of the motor-generator, a mode detector detecting a working mode of the engine, a torque detector detecting an output torque of the hydraulic pump, a memory storing upper and lower baselines of an engine torque set per working mode of the engine, and a hybrid controller comparing the detected output torque of the hydraulic pump with the upper and lower baselines set according to the detected working mode, controlling power generation of the motor-generator so that the engine is loaded as much as much as a short value if the output torque is less than the lower baseline, and controlling the motor operation of the motor-generator so that the engine output is supplemented as much as an excessive value if the output torque exceeds the upper baseline. | 02-03-2011 |
| 20110029206 | SWING CONTROL SYSTEM AND METHOD FOR CONSTRUCTION MACHINE USING ELECTRIC MOTOR - A swing control system and method for a construction machine using an electric motor is provided. The swing control system includes a swing electric motor swinging an upper swing structure and a swing control unit. The swing control unit includes a reference speed calculation means for calculating a reference swing speed and a maximum acceleration according to a manipulation signal of a control lever for a swing manipulation; a swing speed determination means for calculating a first speed change amount from a difference between the reference swing speed and an actual swing speed by the electric motor that is currently fed back, calculating a second speed change amount for a sampling time from the maximum acceleration, and determining a swing speed according to the manipulation signal by comparing the first speed change amount and the second speed change amount and adding a smaller amount between the first speed change amount and the second speed change amount obtained as the result of comparison to the actual swing speed currently fed back; and an output torque control means for controlling an output torque of the electric motor by generating a control signal for the determined swing speed. | 02-03-2011 |
Byung Soo Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100112413 | SEPARATOR FOR HIGH-TEMPERATURE FUEL CELL - Provided is a high-temperature fuel cell separator. The fuel cell separator includes a fuel gas flow path containing hydrogen, an oxidant gas flow path containing mainly an oxygen component being supplied from an oxygen/nitrogen separator of a system and participating in electrochemical reactions, and a cooling gas flow path containing a nitrogen component to remove heat produced upon power generation of a fuel cell. Such a configuration provides a high-temperature fuel cell separator which is capable of improving efficiency of an overall fuel cell system through improved performance of a fuel cell stack due to increased oxygen partial pressure and which is also capable of improving reliability of the fuel cell stack through inhibition of the occurrence of a high-temperature region resulting from heat produced upon power generation of a fuel cell, by means of a flow of cooling gas containing a nitrogen component. | 05-06-2010 |
Dae-Young Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120077040 | HEAT DISSIPATION COATING AGENT AND HEAT-DISSIPATING PLATE INCLUDING SAME - The present invention relates to a heat dissipation coating agent and to a heat-dissipating plate including same, which efficiently dissipate heat from the surface of a heat-dissipating plate of an electric/electronic component. Particularly, the heat dissipation coating agent, which is applied to the surface of a heat-dissipating plate of an electric/electronic component, includes infrared radiation powder and a binder, and the heat-dissipating plate is coated with a heat dissipation layer consisting of the heat dissipation coating agent. Since the heat dissipation coating agent applied to the heat-dissipating plate is highly conductive, heat is emitted from the heat-dissipating plate by conduction as well as convection. In particular, the heat dissipation coating agent, which conducts heat with high conductivity, can be applied to a heat-dissipating plate of a high-power LED light source. | 03-29-2012 |
Dongju Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120118002 | VACUUM INSULATION MEMBER, REFRIGERATOR HAVING VACUUM INSULATION MEMBER, AND METHOD FOR FABRICATING VACUUM INSULATION MEMBER - Disclosed are a vacuum insulation member, a refrigerator having a vacuum insulation member, and a method for fabricating a vacuum insulation member. The vacuum insulation member includes: an envelope having gas impermeability and having a certain decompressed space therein; a core formed as a structure for maintaining a certain shape and disposed at an inner side of the envelope to support the envelope; and a filler formed as powder having micro pores and filled at the inner side of the envelope. The use of a glass fiber core can be avoided, an internal vacuum degree can be easily maintained, and a life span can be lengthened. | 05-17-2012 |
Gi-Chul Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120103449 | FLOW PATH SWITCHING VALVE - A flow path switching valve includes a tube body including one or more inlets opened to communicate with a fluid supplying source and supplying fluid into an inside of the tube body, outlets opened at opposite sides to the respective inlets and selectively alternately discharging fluid from the inside of the tube body, drains opened at opposite ends and discharging operating fluid introduced through the outlet, and seat units respectively protrude on an inner circumference of the tube body between the inlet(s), outlets and drains. An operating rod, coaxially mounted in the tube body, includes spaced apart projection units and is connected to an operating unit at one end so as to reciprocate axially within the tube body responsive to the operating unit. Valve bodies are movably disposed on an outer circumference of the operating rod and are arranged between the respective projection units to face respective seat units. | 05-03-2012 |
Hansu Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120005840 | WASHING MACHINE AND METHOD FOR CONTROLLING THE SAME - A washing machine and a method for controlling the same are disclosed. The washing machine includes a rotating washing tub in which laundry is placed and a motor to rotate the washing tub. The method for controlling the same includes performing primary rotation of the motor, detecting a primary laundry amount on the basis of the primary rotation of the motor, supplying, if the detected laundry amount is equal to or greater than a predetermined laundry amount, a predetermined amount of water or water corresponding to a predetermined water level to the washing tub in such a manner that the laundry becomes wet, performing secondary rotation of the motor, and detecting a secondary laundry amount on the basis of the secondary rotation of the motor. Thus, the washing machine correctly detects the amount of laundry. | 01-12-2012 |
| 20120006065 | WASHING MACHINE - A washing machine is disclosed. The washing machine includes a washing tub, a motor to rotate the washing tub, and a driving unit that drives the motor using a pulse width modulation (PWM) scheme, mixes a three-phase PWM scheme and a two-phase PWM scheme in a common operation mode, and drives the motor using the mixed PWM scheme. Therefore, the washing machine can reduce increase of temperature of an inverter controlling the motor during the operation time of the washing machine. | 01-12-2012 |
Hye Sun Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100109494 | Home Appliance and washing machine - A home appliance and a washing machine are provided. With a configuration in which an ornament having a patterned portion on which a predetermined image is formed and a transparent member placed on an outer surface of the ornament are closely attached to each other, it is possible to prevent water from entering a gap between the ornament and the transparent member. | 05-06-2010 |
| 20100141102 | HOME APPLIANCE AND WASHING MACHINE - A home appliance and a washing or drying apparatus according to the present invention include a photo-etched member, a transparent member affixed to the entire surface of the photo-etched member, and an adhesive member to attach the transparent member and the photo-etched member to each other. The adhesive member has various colors and is arranged such that the adhesive member is formed at a portion of the photo-etched member. Accordingly, a pattern can be decorated in various colors. | 06-10-2010 |
| 20100147602 | HOME APPLIANCE AND WASHING MACHINE - A home appliance and a washing machine are provided. The home appliance includes a touch pad unit having a sensor to sense an external capacitance variation, a photo-etched member coupled to the touch pad unit and having a touch pad hole corresponding to the sensor, the photo-etched member having a pattern realized by photo-etching, and a transparent member coupled to the photo-etched member so as to define an external appearance of the photo-etched member and having an indicator to inform a user of a touch region, the indicator having an area smaller than that of the touch pad hole so as to be located in an interior region of the touch pad hole. The above described configuration advantageously prevents malfunction of the touch pad unit. | 06-17-2010 |
Hyun Gi Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120121865 | DECORATIVE FILM TO BE ATTACHED TO OUTSIDE SURFACE OF HOME APPLIANCE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a decorative film to be attached to an outside surface of a home appliance and a method for manufacturing the same, and more particularly, to a decorative film to be attached to an outside surface of a home appliance which is to be attached to an outside of a home appliance, such as a refrigerator, an air conditioner or a washing machine, replacing stainless steel panel etched to form a pattern to have metal feeling; and a method for manufacturing the same. The decorative film to be attached to an outside surface of a home appliance comprises a base layer, a pattern layer on a back side of the base layer, the pattern layer having a micro pattern, a metal layer on a back side of the pattern layer, and a protective layer of synthetic resin attached to a back side of the metal layer for protecting the metal layer. | 05-17-2012 |
Iihyoung Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120118364 | SOLAR CELL - A solar cell includes a silicon semiconductor substrate including a plurality of concave portions formed at a first surface thereof; an emitter layer formed at the first surface of the silicon semiconductor substrate having the plurality of concave portions; an antireflection layer formed on the emitter layer; and a front electrode layer connected to the emitter layer by penetrating through the antireflection layer. The front electrode layer is formed on a flat surface between the plurality of concave portions and has a finger matrix shape. Accordingly, an area of the concave portions effectively absorbing sun light can increase, and the reduction of fill factor can be reduced or prevented by a short horizontal migration length of electrons. | 05-17-2012 |
Je Heon Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 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 |
| 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 |
| 20100300119 | PUMP FOR SUPPLYING CRYOGENIC COOLANT - A pump for supplying a cryogenic liquid coolant in accordance with the present invention includes: a housing having an inlet port for introducing a cryogenic liquid coolant, an outlet port for discharging the cryogenic liquid coolant introduced through the inlet port, and a chamber for connecting the inlet port and the outlet port; an impeller rotatably retained in the housing for introducing the cryogenic liquid coolant through the inlet port and discharging the same through the outlet port; and a vapor exhausting part provided in the housing for exhausting vapor generated from the cryogenic liquid coolant. | 12-02-2010 |
| 20110092371 | COOLING FLUID PATH STRUCTURE FOR SUPERCONDUCTION ROTATING MACHINE - Disclosed is a cooling fluid path structure for a superconducting rotating machine, which includes: a fixed inlet fluid path fixed together with the fluid supply means; a rotating inlet fluid path adjacently connected to an outlet of the fixed inlet fluid path, which is for transferring the cooling fluid transferred from the fixed inlet fluid path to a cooling fluid path inlet provided in the rotor while rotating together with the rotor; a rotating outlet fluid path rotating together with the rotor, to which the cooling fluid discharged from a cooling fluid path outlet of the rotor is transferred; and a fixed outlet fluid path adjacently connected to the rotating outlet fluid path, which is for transferring the cooling fluid transferred from the rotating outlet fluid path to the fluid supply means while being fixed together with the fluid supply means, wherein the rotating outlet fluid path and the fixed outlet fluid path are disposed in such a manner that they surround outside of the rotating inlet fluid path and the fixed inlet fluid path. | 04-21-2011 |
Kyungmun Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110016927 | LAUNDRY TREATING MACHINE - The laundry treating machine includes a silencer for covering the upper space over the drain hole, whereby the upper space over the drain hole is always filled with washing water and the generation of a vortex is prevented. Thus, abnormal noise during drainage is prevented, thereby contributing to a quiet operation of the washing machine and improving consumer trust. | 01-27-2011 |
Seunghyun Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120042678 | HEAT PUMP-TYPE HOT WATER FEEDING APPARATUS - A heat pump-type hot water feeding apparatus includes a cooling cycle circuit, a heat storage tank, and a hydro kit heat exchanging unit, wherein the hydro kit heat exchanging unit is connected to the cooling cycle circuit, wherein during a heat storage mode operation that stores heat in the heat storage tank, heat of the first heat transfer fluid, which is heat exchanged in the first heat exchanger, is stored in the heat storage tank or heat of the first heat transfer fluid, which is heat exchanged in the first heat exchanger and heat of the second heat transfer fluid, which is heat exchanged in the second heat exchanger, are simultaneously stored in the heat storage tank. | 02-23-2012 |
Tae Young Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100147602 | HOME APPLIANCE AND WASHING MACHINE - A home appliance and a washing machine are provided. The home appliance includes a touch pad unit having a sensor to sense an external capacitance variation, a photo-etched member coupled to the touch pad unit and having a touch pad hole corresponding to the sensor, the photo-etched member having a pattern realized by photo-etching, and a transparent member coupled to the photo-etched member so as to define an external appearance of the photo-etched member and having an indicator to inform a user of a touch region, the indicator having an area smaller than that of the touch pad hole so as to be located in an interior region of the touch pad hole. The above described configuration advantageously prevents malfunction of the touch pad unit. | 06-17-2010 |
Won Hyun Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120011858 | DISPLACER VALVE FOR CRYOGENIC REFRIGERATOR - The present invention discloses a displacer valve for a cryogenic refrigerator, which is mounted on one circular surface of a displacer cover by a bolt to open and close a hole formed in the surface of the displacer cover. The displacer valve includes a rotation preventing guide fastened to an eccentric portion of the displacer cover by the bolt to prevent the displacer valve from rotating around the bolt. Therefore, the displacer valve does not rotate around the bolt but is fixed in a proper position, so that its operational reliability can be ensured. | 01-19-2012 |
Yeon Gil Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100296943 | Thermal barrier coated materilas, method of preparation thereof, and method of coating using them - A sintered material for a thermal barrier coating is provided. The sintered material comprises Gd | 11-25-2010 |
| 20100310860 | SYNTHETIC METHOD FOR ANTI-OXIDATION CERAMIC COATINGS ON GRAPHITE SUBSTRATES - A method of forming an SiC or SiC/Si | 12-09-2010 |
Youn Su Jung, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090212673 | Laundry machine - A laundry machine is disclosed. The laundry machine includes a cabinet defining a first receiving space to receive laundry to be treated, a plurality of legs each of which comprises a leg head located at an installation surface and a leg body configured to connect the leg head to the cabinet, a sub cabinet defining a second receiving space having a volume less than the first receiving space, the sub cabinet being coupled to a bottom of the cabinet, and a plurality of coupling members configured to detachably couple the sub cabinet to the cabinet. According to this laundry machine, it is possible to easily achieve the coupling and separation between the cabinet and the sub cabinet. | 08-27-2009 |
| 20100116004 | Ball balancer and laundry apparatus having the same - A ball balancer and a laundry apparatus having the same are disclosed. A ball balancer includes a circular housing comprising motion space formed therein, a fluid inlet and an air outlet, a plurality of ball members movable in motion space of the housing, a closing member closing up the fluid inlet and the air outlet, and viscous fluid filled in the motion space via the fluid inlet formed in the housing. The ball balancer according to the present invention may be fabricated more efficiently. | 05-13-2010 |