Patent application number | Description | Published |
20100098957 | MANUFACTURING METHOD OF FUNCTIONAL MATERIAL USING SLICE STACK PRESSING PROCESS AND FUNCTIONAL MATERIAL THEREBY - Disclosed herein are a method for manufacturing a functional material for use in various industrial fields in which anisotropy or physical properties change according to height may be utilized, as well as a functional material manufactured thereby. The method includes the steps of: (1) mixing powders composed of the components of the functional material with a binder to prepare a mixed paste; (2) coating the mixed paste on a substrate, and then separating the coated material from the substrate, thus preparing a slice; (3) repeating step (2) to prepare a plurality of slices, and stacking the slices in a mold; and (4) pressing the stacked slices at a predetermined temperature and pressure. A multifunctional material, such as an anisotropic material having physical properties which change according to the direction of material, or a material having physical properties which change in a graduated manner according to height, may be manufactured in a simple and economical manner. | 04-22-2010 |
20100116309 | THERMOELECTRIC MATERIALS - Disclosed herein is a thermoelectric material for intermediate- and low-temperature applications, in which any one or a mixture of two or more selected from among La, Sc and MM is added to a Ag-containing metallic thermoelectric material or semiconductor thermoelectric material. The thermoelectric material has a low thermal diffusivity, a high Seebeck coefficient, a low specific resistivity, a high power factor and a low thermal conductivity, and thus has a high dimensionless figure of merit, thus showing very excellent thermoelectric properties. The thermoelectric material provide thermoelectric sensors having high sensitivity and low noise and, in addition, is widely used as a thermoelectric material for intermediate- and low-temperature applications, because it shows excellent thermoelectric performance in the intermediate- and low-temperature range. | 05-13-2010 |
Patent application number | Description | Published |
20110289950 | HOT WATER SUPPLY APPARATUS ASSOCIATED WITH HEAT PUMP - A hot water supply apparatus associated with a heat pump is provided. In the hot water supply apparatus, refrigerant flowing through an evaporator and a compressor of a refrigerant cycle may perform a heat-exchange operation with water so that, a hot water supply operation may be substantially continuously performed without performing a defrosting operation. | 12-01-2011 |
20110289952 | HOT WATER SUPPLY APPARATUS ASSOCIATED WITH HEAT PUMP - A hot water supply apparatus associated with a heat pump is provided. The hot water supply apparatus may employ a cascade heat pump including a two-stage cycle to perform a hot water supply operation. Refrigerants flowing through a heat side heat exchanger and a usage side heat exchanger may be heat-exchanged with water. Thus, the hot water supply operation may be continuously performed, without a defrosting operation, and hot water supply performance and heating performance may be improved. | 12-01-2011 |
20140137584 | AIR CONDITIONING SYSTEM - An air conditioning system is provided that may include a control apparatus that provides easy access to data for an air conditioner to determine and control an operation state of the air conditioner visually. The air conditioning system may store and manage data received from the air conditioner, and display visually a change in the operation state of the air conditioner with time, enabling a user to easily determine a state of the air conditioner and to instantly recognize a problem with the air conditioner and to easily determine a flow on a whole structure and general operation of the air conditioner, thereby to significantly improving user convenience. | 05-22-2014 |
20140326012 | HOT WATER SUPPLY APPARATUS ASSOCIATED WITH HEAT PUMP - A hot water supply apparatus associated with a heat pump is provided. The hot water supply apparatus may employ a cascade heat pump including a two-stage cycle to perform a hot water supply operation. Refrigerants flowing through a heat side heat exchanger and a usage side heat exchanger may be heat-exchanged with water. Thus, the hot water supply operation may be continuously performed, without a defrosting operation, and hot water supply performance and heating performance may be improved. | 11-06-2014 |
Patent application number | Description | Published |
20110030425 | WASHING MACHINE - Provided is a washing machine. The washing machine includes an outer tub, an inner tub, and a pulsator. The pulsator includes a base and a plurality of ribs. The ribs include an upper surface and a side surface. The upper surface extends from the hub to an outer side along a radial direction to meet a circumference of the base. The side surface declines from the upper surface to the base. The side surface includes a first side surface and a second side surface. The first side surface has a boundary with an inner side of the base. The boundary radially diverges outward in a circumference direction. The second side surface extends from the first side surface along the circumference of the base and the upper surface. | 02-10-2011 |
20110050059 | WASHING MACHINE - A washing machine of the present invention comprises a top cover where a laundry entrance hole is formed through which laundry is put in from above; a lid assembly coupled to the top cover in a rotatable manner and opening and closing the laundry entrance hole; and a stopper being formed at least in one of the top cover and the lid assembly and preventing the lid assembly from being rotated more than a maximum opening angle. The stopper prevents a lid assembly from being rotated more than a maximum opening angle. | 03-03-2011 |
20110050060 | WASHING MACHINE - A washing machine according to one embodiment of the present invention comprises a top cover where a laundry entrance hole is formed through which laundry is put in from above; a lid assembly coupled to the top cover in a rotatable manner and opening and closing the laundry entrance hole; a first hinge connecting the top cover and the lid assembly; and a cam being installed in the first hinge and preventing the lid assembly from being rotated more than a maximum opening angle. | 03-03-2011 |
20110062837 | WASHING MACHINE - A washing machine comprising a cabinet open at an upper portion, a top cover coupled to the upper portion of the cabinet and including an opening for loading and unloading laundry therethrough, a lid assembly rotatably coupled to the top cover to open and close the opening, and a first hinge unit connecting the lid assembly with the top cover and reducing a speed of closing the lid assembly is provided. In the washing machine, the closing speed of the lid assembly is reduced to mitigate shock between the lid assembly and the top cover. | 03-17-2011 |
20110089793 | WASHING MACHINE - A washing machine which includes a lid assembly opening/closing a laundry entrance hole, wherein the lid assembly includes a lid frame and a lid inner coupled to an inside of the lid frame and having a hinge unit, is provided. The lid assembly may be easily assembled and maintain a secure coupling, thereby allowing for a reliable and stable washing machine. Further, the lid assembly may be easily opened or closed by the hinge unit, and this increases convenience. | 04-21-2011 |
20110121694 | WASHING MACHINE - A washing machine comprising a cabinet, a top cover arranged at an upper surface of the cabinet and has a laundry entrance hole, wherein the upper surface of the cabinet opens, and a lid assembly arranged at the top cover and opens/closes the laundry entrance hole is provided. A handle is provided at a front side of the lid assembly. The handle protrudes forwards more than the top cover, wherein the handle and the top cover are arranged to be spaced apart from each other in upper and lower directions and in front and rear directions, thereby defining spaces between the handle and the top cover so a user's hand is inserted into the spaces to hold the handle and lifts the lid assembly. | 05-26-2011 |
20110179584 | WASHING METHOD - Disclosed is a washing method in which an inner tub or a pulsator is operated in various ways to achieve reduced abrasion of laundry and enhanced washing performance. The washing machine includes a disentangling washing operation during which the inner tub is alternately rotated in forward and reverse directions to disentangle laundry received in the inner tub, a tapping washing operation, subsequent to the disentangling washing operation, during which the inner tub is successively rotated in a given direction such that the laundry is adhered to an inner surface of the inner tub and the wash water is raised along a path between the outer tub and the inner tub to thereby flow into the inner tub by centrifugal force generated during rotation of the inner tub, and an agitation washing operation, subsequent to the tapping washing operation, during which the pulsator is alternately rotated in forward and reverse directions. | 07-28-2011 |
Patent application number | Description | Published |
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 |
20130268166 | ENGINE IDLING CONTROL DEVICE OF EXCAVATOR AND METHOD THEREOF - An engine idling control device for an excavator and a method thereof are provided, which can recognize the state of an engine, an on/off state of a function selection switch, and a user's intention to work that has maximally been reflected, reduce fuel use and production of carbon dioxide through automatic stopping or driving of the engine in accordance with an operation state of a safety device having convenience, and easily implement an engine stop and start function in accordance with a user's selection. The engine idling control device includes a first signal detection unit, a second signal detection unit, and an engine idling control unit automatically stopping or driving an engine in accordance with the state of the engine, the on/off state of the function selection switch detected by the first signal detection unit, and the operation state of the safety device detected by the second signal detection unit. | 10-10-2013 |
Patent application number | Description | Published |
20090064725 | Washing machine - The present invention discloses a washing machine having high reliability. The washing machine includes a housing, a tub provided in the housing for holding washing water, a drum rotatably mounted in the tub for washing laundry, a door having an outer frame and an inner frame secured to an inside of the outer frame, for opening/closing an opening in the housing such that the housing is in communication with the drum, a hinge arm joining the housing and the door, and rotatably coupled to the housing and the door respectively, and a holder provided between the outer frame and the inner frame for holding a portion of the hinge arm arranged in the door. | 03-12-2009 |
20090071199 | Washing machine - A drum type washing machine is disclosed. The drum type washing machine includes a tub mounted in a case, a drum rotatably mounted in the tub, and a tilt reduction unit for reducing the downward tilt degree of the tub and the drum when laundry to be cleaned is received into the drum. According to the present invention, it is possible to reduce the downward tilt degree of the tub and the drum, and therefore, it is possible to increase the capacities of the tub and the drum without the modification of the case. | 03-19-2009 |
20090072683 | Clothes refreshing apparatus - A clothes refreshing apparatus is disclosed. The clothes refreshing apparatus includes a cabinet forming an external appearance, a drum which is installed in the cabinet and provides a space in which clothes are loaded and refreshed, a front panel which forms a front surface of the cabinet and has a loading port through which the clothes are loaded into the drum, and a door which is installed to open and close the loading port, wherein the door is formed to have a vertical length equal to or larger than a vertical length of side surfaces of the front panel. | 03-19-2009 |
Patent application number | Description | Published |
20100137142 | Method of Manufacturing Round Wire Using Superconducting Tape and Round Wire Manufactured Using the Superconducting Tape - Disclosed herein is a method of manufacturing round wire using superconducting tape, including the steps of: slitting superconducting tape into superconducting tape strips; silver-coating the slit superconducting tape strips; laminating the silver-coated superconducting tape strips to form a superconducting tape laminate having a square cross-section; holding the superconducting tape laminate; heat-treating the fixed superconducting tape laminate to cause diffusion junction between silver; and copper-plating the heat-treated superconducting tape laminate to have a circular section. The method is advantageous in that, since it is formed by slitting, silver-coating and laminating conventional superconducting tape, its superconducting layer can be protected, and it has a circular cross-section, so that it can be easily joined and wound, with the result that it is expected that, like general copper wires, its application fields will be enlarged because it can be wound in a solenoid shape at the time of magnetic winding. | 06-03-2010 |
20120252680 | HIGH-TEMPERATURE SUPERCONDUCTING TAPE - Disclosed herein is a high-temperature superconducting tape, including: a substrate; a buffer layer formed on the substrate; and a high-temperature superconducting layer formed on the buffer layer, wherein the substrate is made of SUS310s or stainless steel containing 0.01-1% of silicon (Si) and 1-5% of molybdenum (Mo) and has an average metal crystal grain size of 12 μm or less, and the high-temperature superconducting layer is made of a ReBCO (ReBa | 10-04-2012 |
Patent application number | Description | Published |
20110018729 | HOME APPLIANCE AND SIGNAL OUTPUT METHOD THEREOF - A home appliance and a signal output method thereof are disclosed. The home appliance outputs product information in the form of a sound signal, which is transmitted to a service center at a remote site over a communication network so that the service center can readily check the state of the home appliance. A digital signal including product information of the home appliance is converted into a sound signal based on a plurality of frequency signals. Therefore, a larger amount of data can be rapidly transmitted for a fault diagnosis, so as to improve fault diagnosis accuracy. | 01-27-2011 |
20140068872 | LAUNDRY TREATING APPARATUS - The present invention relates to a laundry treating apparatus including a drum for holding a washing object, a drive unit having a motor for rotating the drum, a drive controller for controlling the drive unit, a display unit having an input unit for user's application of a drive unit control order thereto, and a display for displaying a treating progress of the washing object, a display unit controller having an input data processing unit for receiving a control order from the input unit and providing the same to the drive controller, an output data processing unit for receiving the drive data from the drive controller and providing the same to the display, and a processing unit control program for running the input data processing unit and the output data processing unit, a system managing unit for enabling the drive controller and the display unit to make data exchange with the display unit controller, and ordering operation of the display unit and running of the processing unit control program, a list storage unit having a program list the display unit controller runs stored therein, and a monitoring unit for initializing the system managing unit if the processing unit control program is not at the list storage unit. | 03-13-2014 |
20140085046 | LAUNDRY TREATING APPARATUS AND METHOD FOR CONTROLLING THE SAME - The present invention provides a laundry treating apparatus including a cabinet, an accommodating unit within the cabinet to hold laundry, a door provided on one face of the cabinet to access the accommodating unit, a control panel to receive a washing cycle control order, a first communication module to communicate with a mobile communication terminal through a local area network to receive ID information. | 03-27-2014 |
Patent application number | Description | Published |
20100027770 | HOME APPLIANCE SYSTEM AND OPERATION METHOD THEREOF - A home appliance system and an operation method thereof are disclosed. The home appliance outputs product information as a predetermined sound and transmits the sound through a connected communication network, thereby making it easier for a service center at a remote place to check a status of the home appliance. Further, the home appliance system and operation method thereof prevents noise or signal error generated in the procedure of converting product information into a signal of a predetermined frequency band in order to output the product information as a sound, thus enabling stable signal conversion and improving the accuracy of information transmission using the output of sound. | 02-04-2010 |
20100262865 | SYSTEM AND METHOD FOR DIAGNOSING HOME APPLIANCE - A system and method for diagnosing a home appliance are disclosed. The home appliance outputs product information as a predetermined sound signal, and transmits the sound signal to a service center of a remote site over a communication network, such that a service technician of the service center can easily check a current status of the home appliance. The diagnostic system effectively detects data using multiple synchronous signals having a time difference, quickly diagnoses a current status or fault of the home appliance, provides a service for more correctly diagnosing a faulty operation of the home appliance, and increases user satisfaction and reliability. | 10-14-2010 |
20100262884 | DIAGNOSTIC SERVER FOR A HOME APPLIANCE AND CONTROLLING METHOD - A diagnostic server and a controlling method are provided. In the method, the diagnostic server receives a packet including at least one frame and performs error checking on each frame included in the packet. The diagnostic server receives a retransmitted packet upon determining from the result of error checking that a frame in the packet has an error. The diagnostic server performs error checking on each frame included in the retransmitted packet and restores the frame included in the packet based on the retransmitted packet when a frame, which is located in a location corresponding to the error frame, included in the retransmitted packet has no error. In the case where a packet including product information is transmitted, this method can reduce the number of retransmissions of the same packet required to acquire an error-free packet. | 10-14-2010 |
20100318324 | SYSTEM AND METHOD FOR DIAGNOSING HOME APPLIANCE - A system and method for diagnosing a home appliance are disclosed. The home appliance outputs product information as a predetermined sound signal, and transmits the sound signal to a service center of a remote site over a communication network, such that a service technician of the service center can easily check a current status of the home appliance. When a diagnostic server of the service center analyzes the sound signal of the home appliance, it selects a plurality of preamble candidates and can effectively and correctly detect data using weights, so that it can quickly diagnose a faulty operation of the home appliance. An erroneous data analysis and its associated erroneous diagnosis are prevented, so that the diagnostic system provides a service for more correctly diagnosing a faulty operation of the home appliance and also increases user satisfaction and reliability of the home appliance. | 12-16-2010 |
20130238283 | APPARATUS FOR DIAGNOSING HOME APPLIANCE - The present invention relates to an apparatus for diagnosing home appliances, which receives an acoustic signal containing product information from a home appliance through a communication network, extracts product information from the acoustic signal, and performs a diagnosis on the home appliance on the basis of the extracted product information. The apparatus comprises an acoustic signal recording unit which records the acoustic signal containing product information received from the home appliance; a signal processing unit which extracts product information from the acoustic signal recorded by the acoustic signal recording unit; a diagnosing unit which diagnoses the home appliance on the basis of the product information extracted by the signal processing unit; and a display unit which provides a user interface that interacts with the acoustic signal recording unit, signal processing unit, and diagnosing unit. | 09-12-2013 |
20130262322 | HOME APPLIANCE DIAGNOSIS SYSTEM AND DIAGNOSIS METHOD FOR SAME - The present invention relates to a home appliance diagnosis system and to a diagnosis method for same, and more particularly, to a home appliance diagnosis system and to a diagnosis method for same, which involve receiving product information on the home appliance, which is outputted in a predetermined signal form from the home appliance, and analyzing the received product information to check the condition of the home appliance and to diagnose faults in the home appliance. According to the present invention, a diagnosis server easily extracts product information from a signal, and improves the accuracy of the product information through a multi-stage verification process when the diagnosis server outputs product information from the signal received thereat to diagnose the home appliance, to thereby achieve improved accuracy and reliability of the result of the diagnosis based on the product information. | 10-03-2013 |
20140006953 | METHOD FOR OPERATING A PORTABLE TERMINAL | 01-02-2014 |
Patent application number | Description | Published |
20110256018 | Ni-Based Single Crystal Superalloy with Good Creep Property - A Ni-based single crystal superalloy with good resistance to creep deformation and creep life at a high temperature is formed by adjusting the quantity of relatively inexpensive alloy elements while minimizing the quantity of expensive alloy elements. The Ni-based single crystal superalloy with good creep properties comprises Co: 11.5˜13.5%, Cr: 3.0˜5.0%, Mo: 0.7˜2.0%, W: 8.5˜10.5%, Al: 4.5˜6.5%, Ti: 0.5˜2.0%, Ta: 6.0˜8.0%, Re: 2.0˜4.0%, Ru: 0.1˜2.0% in Weight %, with the rest of the superalloy comprising Ni and other inevitable impurities. In addition, the superalloy has a mixed structure of the γ matrix and γ′ particles. | 10-20-2011 |
20120237391 | Ni-Base Single Crystal Superalloy with Enhanced Creep Property - The present invention provides Ni-base single crystal superalloy with good high-temperature property, particularly long creep life and excellent resistance to creep deformation, by adjusting content of Al and Ti that form a gamma prime (γ′), a major hardening phase of the Ni-base single crystal superalloy. The Ni-base single crystal superalloy comprise Co: 11.5˜13.5%, Cr: 3.0˜5.0%, Mo: 0.7˜2.0%, W: 8.5˜10.5%, Al: 3.5˜5.5%, Ti: 2.5˜4.5%, Ta: 6.0˜8.0%, Re: 2.0˜4.0%, Ru: 0.1˜2.0% in Weight %, and the rest is Ni and other inevitable impurities. And composition ratio of Al/Ti is 0.7˜2.2. In addition, the superalloy has a mixed structure of the γ matrix and γ′ particles. | 09-20-2012 |
Patent application number | Description | Published |
20110047714 | LAUNDRY TREATMENT MACHINE AND THE METHOD OF THE SAME - A lint filter in a laundry treatment machine includes a lower filter for filtering out debris of washing water and an upper filter for collecting debris as well as filtering out foreign substances of washing water flowed in from the lower filter. Since debris is collected in the upper filter, recontamination by debris can be prevented and cleaning of a lint filter can be simplified. The upper filter and the lower filter are connected by a connection path and as washing water and debris in the lower filter move to the upper filter at the time rising water flows of washing water are generated, debris can be collected inside the upper filter, and debris can be collected by using rising flows of washing water. A filter cover is combined with a filter frame and a filter body as a tightly coupled single body, and the filter cover is detached only from the filter frame while tightly coupled with the filter body, so that attaching and detaching is made simple and cleaning thereof can be simplified. | 03-03-2011 |
20110050059 | WASHING MACHINE - A washing machine of the present invention comprises a top cover where a laundry entrance hole is formed through which laundry is put in from above; a lid assembly coupled to the top cover in a rotatable manner and opening and closing the laundry entrance hole; and a stopper being formed at least in one of the top cover and the lid assembly and preventing the lid assembly from being rotated more than a maximum opening angle. The stopper prevents a lid assembly from being rotated more than a maximum opening angle. | 03-03-2011 |
20110050060 | WASHING MACHINE - A washing machine according to one embodiment of the present invention comprises a top cover where a laundry entrance hole is formed through which laundry is put in from above; a lid assembly coupled to the top cover in a rotatable manner and opening and closing the laundry entrance hole; a first hinge connecting the top cover and the lid assembly; and a cam being installed in the first hinge and preventing the lid assembly from being rotated more than a maximum opening angle. | 03-03-2011 |
20110121694 | WASHING MACHINE - A washing machine comprising a cabinet, a top cover arranged at an upper surface of the cabinet and has a laundry entrance hole, wherein the upper surface of the cabinet opens, and a lid assembly arranged at the top cover and opens/closes the laundry entrance hole is provided. A handle is provided at a front side of the lid assembly. The handle protrudes forwards more than the top cover, wherein the handle and the top cover are arranged to be spaced apart from each other in upper and lower directions and in front and rear directions, thereby defining spaces between the handle and the top cover so a user's hand is inserted into the spaces to hold the handle and lifts the lid assembly. | 05-26-2011 |
20140116096 | LAUNDRY TREATMENT MACHINE - A laundry treatment machine is provided. The laundry treatment machine may include a top cover, a control panel, a lid assembly, and a lid handle. The top cover may be disposed over a cabinet and have a laundry loading hole. The control panel may be disposed at a front upper side of the top cover. The lid assembly may be disposed over the top cover at a rear side of the control panel and open/close the laundry loading hole. The lid handle may protrude in a forward direction from a front surface of the lid assembly and protrude in an upward direction with respect to a top surface of the lid assembly to form a gap such that a hand of a user may enter the gap between the lid handle and the control panel. | 05-01-2014 |
Patent application number | Description | Published |
20090085311 | SYSTEM AND METHOD FOR CONTROLLING AUTOMATIC LEVELING OF HEAVY EQUIPMENT - A system and method for controlling an automatic leveling of heavy equipment is provided. The system for controlling an automatic leveling for heavy equipment, in which a lower frame having a traveling means and an upper frame are combined together by a tilting means, includes a sensor unit, provided in the equipment, for sensing twist angles of the lower frame and the upper frame against a reference horizontal surface and a traveling speed of the equipment; a control unit for receiving the twist angles and the traveling speed, setting a limit of an operation time for the automatic leveling in a standstill state of the equipment while calculating a corrected angle to which a twist angle of the upper frame is to be corrected, without setting the limit of the operation time for the automatic leveling, in a traveling state of the equipment, and generating a control signal for instructing an operation of a tilting means in accordance with the corrected angle; and a driving unit for performing a tilting control through the tilting means in accordance with the received control signal. | 04-02-2009 |
20090088933 | SYSTEM AND METHOD FOR CONTROLLING AUTOMATIC LEVELING OF HEAVY EQUIPMENT - A system and method for controlling automatic leveling heavy equipment is provided. The system for controlling automatic leveling of heavy equipment with a lower frame and an upper frame, the lower frame having traveling means, and the upper frame tiltably and swingably connected to the lower frame, comprises a sensor unit, provided in the equipment, including an inclination detecting sensor for measuring twist angles of the lower frame and the upper frame against a reference horizontal surface, a traveling detection sensor for measuring a traveling speed of the equipment and a working device sensor for detecting working state information of a working device; a control unit for receiving the twist angles, the traveling speed, and the working state information, calculating a corrected angle at which the upper frame is to be tilted against the lower frame, and generating a control signal for instructing an operation of an actuator; and a driving unit for performing a leveling control through the actuator in accordance with the received control signal. | 04-02-2009 |
20090089703 | IMAGE DISPLAY SYSTEM FOR CONTROLLING AUTOMATIC LEVELING OF HEAVY EQUIPMENT - An image display system for controlling automatic leveling of heavy equipment is provided. The image display system includes the leveling means for adjusting horizontal levels of a lower frame provided with a traveling means and an upper frame having a cab and installed on an upper part of the lower frame, a sensor unit for sensing posture information of the heavy equipment, a leveler electronic control unit for generating an image signal from the posture information, and an image display unit for displaying the image signal on a display screen. The posture information includes inclination angles of the upper frame and the lower frame sensed on the basis of a horizontal surface against a direction of gravity, an azimuth angle of the heavy equipment sensed against a forward direction of the upper frame, and a swing angle of the upper frame sensed on the basis of a front direction of the lower frame. According to the image display system, the leveling state of the heavy equipment is easily recognized, and the control performance of the heavy equipment is improved. | 04-02-2009 |
20090151483 | LEVELING CONTROL SYSTEM AND METHOD FOR HEAVY EQUIPMENT - A leveling control system and method for heavy equipment is provided. The leveling control system for heavy equipment, in which a lower frame having a traveling means and an upper frame are combined together by a tilting means, includes a sensor unit, provided in the equipment, for measuring twist angles of the lower frame and the upper frame against a reference horizontal surface and a traveling speed of the equipment, and detecting working state information of working devices; a control unit for receiving the twist angles, the traveling speed, and the working state information, calculating a correction angle for the leveling control of the upper frame, and generating a control signal for instructing an operation of an actuator in accordance with the correction angle; and a driving unit for performing the leveling through the actuator in accordance with the control signal received therein. The control unit is provided with an auto leveling mode module for performing the leveling against a reference horizontal surface, a re-leveling mode module for performing the leveling against the reference horizontal surface in a standstill state of the equipment for a limited time, and a track leveling mode module for performing the leveling against the lower frame. | 06-18-2009 |
20090157265 | MANUAL LEVELING CONTROL SYSTEM AND METHOD FOR CONSTRUCTION EQUIPMENT - A manual leveling control system and method for construction equipment is provided. The manual leveling control system for construction equipment includes a swing angle sensing unit sensing a swing angle of an upper swing frame and transmitting a signal for the sensed swing angle; a tilting manipulation input unit generating and transmitting a tilting manipulation signal corresponding to coordinate values on a coordinate system, having coordinate axes corresponding to left/right direction and front/rear direction of the upper swing frame, in accordance with a position manipulated by a user; and a control unit determining target actuators to be operated among actuators radially positioned around a tilting unit using the coordinate values of the tilting manipulation signal and the swing angle of the upper swing frame, and calculating operation values for determining whether to extend/contract the target actuators and operation ranges of the target actuators, in order to tilt the upper swing frame against a reference surface in accordance with the tilting manipulation signal. | 06-18-2009 |
20120283920 | LEVELING CONTROL SYSTEM AND METHOD FOR HEAVY EQUIPMENT - A leveling control system and method for heavy equipment, in which a lower frame having a traveling unit and an upper frame are combined together by a tilting unit, includes a sensor unit, provided in the equipment, for measuring twist angles of the lower frame and the upper frame against a reference horizontal surface and a traveling speed of the equipment, and detecting working state information of working devices; a control unit for receiving the twist angles, the traveling speed, and the working state information, calculating a correction angle for the leveling control of the upper frame, and generating a control signal for instructing an operation of an actuator in accordance with the correction angle; and a driving unit for performing the leveling through the actuator in accordance with the control signal received therein. | 11-08-2012 |
20130103272 | HORSEPOWER CONTROL SYSTEM OF A HYBRID EXCAVATOR AND CONTROL METHOD THEREFOR - Disclosed are a horsepower control system for a hybrid excavator and a control method thereof which controls the driving of a generator driver or a swing motor driver with a swing power ratio of 1 and a hydraulic power ratio of 1 in a first operation mode, and with a swing power ratio of r (a user set value) and a hydraulic power ratio of 1−r in a second operation mode. When the power required by the user is fully used, energy from an energy storage is used to maximize work capacity. When the total horsepower used is limited to the range of horsepower available, the limited use of the driving device is at a level of horsepower similar to that of a typical system, thereby minimizing fuel consumption. | 04-25-2013 |
20130116897 | SWING CONTROL APPARATUS AND METHOD OF CONSTRUCTION MACHINERY - A swing control apparatus and a swing control method for a construction machine are provided. The swing control apparatus includes a start position estimation unit, a stop target position calculation unit, and a swing motor position control unit. Even if an operator releases a lever or commands a stop at different times, an upper swing structure of the construction machine (for example, excavator) can be stopped within a predetermined range, and thus the inconvenience caused by an additional driving operation, which is required as the stop position differs according to the time point where the stop command starts, can be solved. | 05-09-2013 |
Patent application number | Description | Published |
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 |
20110115418 | CONSTRUCTION MACHINE HAVING POWER GENERATION FUNCTION - A swing system of a construction machine having a power generation function is provided. The construction machine includes a lower driving structure capable of traveling, an upper swing structure mounted on an upper portion of the lower driving structure and provided with a working device, a swing ring gear fixed to the lower driving structure, a swing ring gear cover fixed to the upper swing structure and engaged with the swing ring gear to perform a rotational operation, a permanent magnet installed on one of the swing ring gear and the swing ring gear cover, and an induction coil installed on the other of the swing ring gear and the swing ring gear cover. Induction current is generated in the induction coil in accordance with the rotational operation of the swing ring gear cover. | 05-19-2011 |
20130119784 | EMERGENCY STOP SYSTEM FOR A HYBRID EXCAVATOR - An emergency stop system for a hybrid excavator is provided, which includes an emergency switch and an emergency stop unit. In a normal operation state, a power supply that is applied from a power supply unit is provided to a hybrid controller and an engine controller, while when the emergency switch is pressed, the input power supply is intercepted to effectively stop the operation of the hybrid system in the case where equipment abnormality or an emergency situation occurs. Also, when the emergency switch is pressed, the power supply is applied to an emergency alarm unit and an energy discharge unit to notify an operator and neighboring persons of the equipment abnormality and emergency situation occurrence, and a hybrid power source vanishes completely. | 05-16-2013 |
20130234507 | TURNING JOINT FOR ELECTRIC EXCAVATOR - The present invention relates to a turning joint for an electric excavator, which includes a direct current/alternating current convertor, an upper coil, a lower coil, and an inverter. A turning joint for an electric excavator (or a hybrid excavator) uses the principle of a transformer to transmit electric energy from the upper portion of the excavator to a travelling body in the lower portion thereof. Thus, even while an upper rotator body of an electric excavator performs a rotating operation, electric power can be supplied to a travelling electric motor in the lower portion of the electric excavator, to thereby perform a travelling operation. | 09-12-2013 |
20130334999 | ANTI-REBOUNDING CONTROL APPARATUS AND METHOD IN AN ELECTRICAL SWING SYSTEM OF A HYBRID EXCAVATOR - An anti-rebounding control apparatus is provided, which includes an anti-rebounding controller outputting a first command for setting a torque limit value to “0” if an electric motor speed value is equal to or smaller than an upper threshold value and equal to or larger than a lower threshold value in the case where a speed command value of “0” is input and outputting a second command for setting the torque limit value to a maximum value if the electric motor speed value is smaller than the lower threshold value, a torque regulator setting the torque limit value to “0” when the first command is input and setting the torque limit value to the maximum value when the second command is input, and an electric motor inverter intercepting a power that is supplied to an electric motor if the torque limit value is set to “0” and re-supplying the power to the electric motor if the torque limit value is set to the maximum value. Accordingly, the same performance as an anti-rebounding system that is used in a swing system of an existing hydraulic excavator can be implemented even in a system that performs a swing operation using an electric motor such as a hybrid (or electric) excavator. | 12-19-2013 |
20140230643 | ACTUATOR DISPLACEMENT MEASUREMENT SYSTEM IN ELECTRONIC HYDRAULIC SYSTEM OF CONSTRUCTION EQUIPMENT - An actuator displacement measuring system in an electro-hydraulic system for a construction machine is disclosed, which can detect an actuator displacement using the characteristics of an electro-hydraulic system. The actuator displacement measuring system includes controlling driving of an electric motor, determining whether the electric motor is driven, determining whether a set pressure value of a relief valve is larger than or equal to a measured pressure value of the hydraulic system if a displacement value of an actuator that is always detected deviates from a zero value of a reference position, setting the actuator displacement value to a previous value if a pressure value of the hydraulic system is larger than or equal to a pressure value of a relief valve and calculating the actuator displacement value using a rotating speed of the electric motor. | 08-21-2014 |
20140350731 | DRIVER SELF-TUNING METHOD USING ELECTRO-HYDRAULIC ACTUATOR SYSTEM - The present invention relates to a driver self-tuning method using an electro-hydraulic actuator system, the method comprising: a step in which a specific EHA system is selected by a HMI; a step of displaying a graph defining the mapping relationship of an actuator speed command with respect to a joystick command of the selected EHA system; a step in which, when a predetermined button is pressed by a user, the actuator maximum speed is tuned by multiplying the maximum speed value of the actuator of the selected EHA system, which has been pre-stored, by gain that increases or decreases in proportion to the number of times the button was pressed; and a step of storing the tuned actuator maximum speed in the upper controller of the EHA system. Equipment using the electro-hydraulic actuator system makes it possible to directly tune actuator speed characteristics that cannot be achieved with existing equipment using, by way of example, HMI display equipment and operating buttons. | 11-27-2014 |
Patent application number | Description | Published |
20120011893 | LAUNDRY MACHINE - A laundry machine is disclosed. The laundry machine includes a tub comprising a front surface part ( | 01-19-2012 |
20120011899 | LAUNDRY MACHINE - A laundry machine is disclosed. A laundry machine includes a tub to receive wash water, a drum rotatable placed in the tub, a shaft connected with the drum, a bearing housing to support the shaft, a tub back ( | 01-19-2012 |
20120017655 | LAUNDRY MACHINE - The present invention relates to a laundry machine. The laundry machine includes a tub ( | 01-26-2012 |
20120024020 | WASHING MACHINE - The patent application refers to a washing machine including a cabinet rear ( | 02-02-2012 |
20120031150 | LAUNDRY MACHINE - The present application relates to a laundry machine, which comprises a tub ( | 02-09-2012 |
20120055208 | LAUNDRY MACHINE - The present invention is for enlarging the capacity for treating laundry. Especially, without largely changing an overall size of a laundry machine, the laundry treating capacity thereof is enlarged. In an embodiment of the present invention, a gap between the tub ( | 03-08-2012 |
20120060350 | MANUFACTURING METHOD OF LAUNDRY MACHINE - A manufacturing method of a laundry machine is disclosed. The manufacturing method of the laundry machine includes a suspension preparing step configured to prepare a suspension unit ( | 03-15-2012 |
20120060566 | LAUNDRY MACHINE - A laundry machine is disclosed. The laundry machine includes a tub configured to receive wash water, a drum rotatably installed in the tub, a shaft connected with the drum, a bearing housing ( | 03-15-2012 |
Patent application number | Description | Published |
20100218541 | REFRIGERATOR - A refrigerator is provided. The refrigerator includes a body defining a storage space; a door selectively shielding the storage space; a container connecting part disposed in the storage space or the door; a water supply container separably coupled to the container connecting part, the water supply container including an opening for injecting water; an ice making device for making ice using the water supplied from the water supply container; a water supply passage fluidly connecting the water supply container to the ice making device, the water supply passage extending in an inside direction of the water supply container; and a pump connected to the water supply passage to supply the water within the water supply container into the ice making device. According to the refrigerator, installation cost is reduced, and quality and reliability are improved. | 09-02-2010 |
20100251745 | REFRIGERATOR - A refrigerator is provided. The refrigerator includes a body defining a storage space; a door selectively shielding the storage space; a container connecting part disposed in the storage space or the door; a water supply container separably coupled to the container connecting part, the water supply container including an opening for injecting water; an ice making device for making ice using the water supplied from the water supply container; a water supply passage fluidly connecting the water supply container to the ice making device, the water supply passage extending in an inside direction of the water supply container; and a pump connected to the water supply passage to supply the water within the water supply container into the ice making device. According to the refrigerator, installation cost is reduced, and quality and reliability are improved. | 10-07-2010 |
20120216560 | REFRIGERATOR - Embodiments relates to a refrigerator that makes it possible to improve water supply performance by disposing an air exhaust unit in a water supply channel connected to the output side of a pump supplying water from a water tank to an ice maker or a dispenser, and effectively return water remaining when the use of dispenser is finished, by using an opening/closing member in the water supply channel, and a water tank for a refrigerator. | 08-30-2012 |
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 |
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 |
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 |
20130225415 | SUPERCONDUCTING ROTATING ELECTRICAL MACHINE AND MANUFACTURING METHOD FOR HIGH TEMPERATURE SUPERCONDUCTING FILM THEREOF - The present disclosure relates to a superconducting rotating electrical machine and a manufacturing method for a high temperature superconducting film thereof. The superconducting rotating electrical machine includes a stator, and a rotor rotatable with respect to the stator, the rotor having a rotary shaft and a rotor winding. Here, the rotor winding includes tubes disposed on a circumference of the rotary shaft and each forming a passage for a cooling fluid therein, superconducting wires accommodated within the tubes, and a cooling fluid flowing through the inside of the tubes. This configuration may allow for direct heat exchange between the superconducting wires and a refrigerant, resulting in improvement of heat exchange efficiencies of the superconducting wires. | 08-29-2013 |
Patent application number | Description | Published |
20110050059 | WASHING MACHINE - A washing machine of the present invention comprises a top cover where a laundry entrance hole is formed through which laundry is put in from above; a lid assembly coupled to the top cover in a rotatable manner and opening and closing the laundry entrance hole; and a stopper being formed at least in one of the top cover and the lid assembly and preventing the lid assembly from being rotated more than a maximum opening angle. The stopper prevents a lid assembly from being rotated more than a maximum opening angle. | 03-03-2011 |
20110050060 | WASHING MACHINE - A washing machine according to one embodiment of the present invention comprises a top cover where a laundry entrance hole is formed through which laundry is put in from above; a lid assembly coupled to the top cover in a rotatable manner and opening and closing the laundry entrance hole; a first hinge connecting the top cover and the lid assembly; and a cam being installed in the first hinge and preventing the lid assembly from being rotated more than a maximum opening angle. | 03-03-2011 |
20110062837 | WASHING MACHINE - A washing machine comprising a cabinet open at an upper portion, a top cover coupled to the upper portion of the cabinet and including an opening for loading and unloading laundry therethrough, a lid assembly rotatably coupled to the top cover to open and close the opening, and a first hinge unit connecting the lid assembly with the top cover and reducing a speed of closing the lid assembly is provided. In the washing machine, the closing speed of the lid assembly is reduced to mitigate shock between the lid assembly and the top cover. | 03-17-2011 |
20110089793 | WASHING MACHINE - A washing machine which includes a lid assembly opening/closing a laundry entrance hole, wherein the lid assembly includes a lid frame and a lid inner coupled to an inside of the lid frame and having a hinge unit, is provided. The lid assembly may be easily assembled and maintain a secure coupling, thereby allowing for a reliable and stable washing machine. Further, the lid assembly may be easily opened or closed by the hinge unit, and this increases convenience. | 04-21-2011 |
20110121694 | WASHING MACHINE - A washing machine comprising a cabinet, a top cover arranged at an upper surface of the cabinet and has a laundry entrance hole, wherein the upper surface of the cabinet opens, and a lid assembly arranged at the top cover and opens/closes the laundry entrance hole is provided. A handle is provided at a front side of the lid assembly. The handle protrudes forwards more than the top cover, wherein the handle and the top cover are arranged to be spaced apart from each other in upper and lower directions and in front and rear directions, thereby defining spaces between the handle and the top cover so a user's hand is inserted into the spaces to hold the handle and lifts the lid assembly. | 05-26-2011 |