Jang, Gwangju
Chang-Yong Jang, Gwangju KR
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20080213108 | Linear Compressor - The present invention discloses a linear compressor in which a piston is driven by a linear motor and linearly reciprocated inside a cylinder to suck, compress and discharge refrigerants. The linear compressor synchronizes an operation frequency of the linear motor with a natural frequency of the piston, considering that an elastic force of a mechanical spring and a gas spring which elastically support the piston in the motion direction is varied by load. Even if the load is varied, the linear motor is operated in the resonance state, to maximize efficiency. The linear compressor varies a stroke of the piston according to the load, thereby actively handling and rapidly overcoming the load and reducing power consumption. | 09-04-2008 |
20090047154 | Linear Compressor - The present invention discloses a linear compressor which can rapidly overcome load and improve compression efficiency, by synchronizing an operation frequency of a linear motor with a natural frequency of a movable member varied by the load and varying a stroke of the movable member according to the load. The linear compressor includes a fixed member having a compression space inside, a movable member linearly reciprocated in the fixed member in the axial direction, for compressing refrigerants sucked into the compression space, one or more springs installed to elastically support the movable member in the motion direction of the movable member, spring constants of which being varied by load, and a linear motor installed to be connected to the movable member, for linearly reciprocating the movable member in the axial direction, and varying a stroke of the movable member according to a predetermined refrigeration force, so that the movable member can be linearly reciprocated to reach a top dead center. | 02-19-2009 |
20090232666 | Linear Compressor - The present invention discloses a linear compressor in which a piston is driven by a linear motor and linearly reciprocated inside a cylinder to suck, compress and discharge refrigerants. Even though load is varied, the linear compressor performs the operation in a resonance state by estimating a natural frequency of the piston and synchronizing an operation frequency of the linear motor with the natural frequency of the piston, and efficiently handles the load by varying a compression capacity by changing a stroke of the piston. | 09-17-2009 |
Dong Soo Jang, Gwangju KR
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20120263478 | HEARING AID SYSTEM USING WIRELESS OPTICAL COMMUNICATIONS - Provided is a hearing aid system using a wireless optical communications method. The hearing aid system includes: a voice transmitter that converts addresser's voice into an optical signal to then transmit the converted optical signal; and a hearing aid that restores the optical signal received from the voice transmitter into the addresser's voice to then output the restored addresser's voice. Accordingly, the addresser's voice can directly be transmitted to the hard-of-hearing via wireless optical communications, to thereby prevent a voice discriminating power from lowering even in the case that ambient noise of an addresser as well as a listener is big. | 10-18-2012 |
20140064529 | APPARATUS AND METHOD OF SHIELDING EXTERNAL NOISE FOR USE IN HEARING AID DEVICE - Provided is an external noise shielding apparatus and method for use in a hearing aid device. The external noise shielding apparatus and method periodically monitors and shields external noise introduced into the hearing aid device to thus enable a user to discernibly hear a voice signal even in the external noise environment. | 03-06-2014 |
Eun Jae Jang, Gwangju KR
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20150368297 | Novel Peptide Compound for Inhibiting Restenosis and Promoting Re-Endothelialization and Method for Preparing the Same - Provided are a peptide compound prepared by additional synthesis in a drug having an effect of inhibiting restenosis, a composition for inhibiting restenosis and promoting re-endothelialization including the peptide compound, and a stent having a surface coated by using the composition, in order to overcome a restenosis problem in the stent. | 12-24-2015 |
Hong Jang, Gwangju KR
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20090314350 | ORGANIC SOLAR CELLS AND METHOD OF MANUFACTURING THE SAME - An organic solar cell and a method of manufacturing the same. This invention relates to a method of manufacturing an organic solar cell including forming nano patterns on a photoactive layer using a nanoimprinting process, and applying a cathode electrode material on the photoactive layer having the nano patterns so that the cathode electrode material infiltrates the nano patterns of the photoactive layer, thus increasing electron conductivity and efficiently forming a pathway for the transfer of electrons, and to an organic solar cell manufactured through the method. This method reduces loss of photocurrent occurring as a result of aggregation of an electron acceptor material and improves molecular orientation of an electron donor in the nanoimprinting process to thus increase cell efficiency. Thereby, the organic solar cell having high efficiency is manufactured at low cost through a simple manufacturing process. The method can be applied to the fabrication of organic solar cells which use an environmentally friendly and recyclable energy source. | 12-24-2009 |
Hun Soo Jang, Gwangju KR
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20140345794 | TRANSFER PRINTING SUBSTRATE, MANUFACTURING METHOD THEREOF, AND METHOD OF TRANSFER PRINTING - Disclosed herein is a transfer printing technology. A transfer printing substrate includes a plurality of pillar structures and a sacrificial layer applied thereon. In situ alignment of a transfer layer is performed by the pillar structures and a structural confinement by a concave structure formed on a bottom surface of the transfer layer corresponding to the pillar structures, or a chemical bond of the pillar structure and the transfer layer. In the in situ alignment by the structural confinement, the remaining sacrificial layer after being removed may serve as an adhesive component. The transfer process is performed by a separation of the bond by the sacrificial layer, a cutting of the pillar structures in the chemic bonding state of the pillar structures and the transfer layer, or a separation of the bond between the pillar structures and the handling substrate. | 11-27-2014 |
Hwanchol Jang, Gwangju KR
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20140056391 | ORTHOTOPE SPHERE DECODING METHOD AND APPARATUS FOR SIGNAL RECONSTRUCTION IN MULTI-INPUT MULTI-OUTPUT ANTENNA SYSTEM - An orthotope sphere decoding method of a multiple antenna system is disclosed. The method includes performing tree search using a depth-first method by performing an OC-test on the nodes on which the tree search of orthotope sphere decoding will be performed and performing an SC-test on nodes passing the OC-test; and selecting a transmission symbol having a smallest PED value as a final signal as a result of the search. | 02-27-2014 |
Hwan Chol Jang, Gwangju KR
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20140056389 | ORTHOTOPE SPHERE DECODING METHOD AND APPARATUS FOR SIGNAL RECONSTRUCTION IN THE MULTI-INPUT MULTI-OUTPUT ANTENNA SYSTEM - The present disclosure provides an orthotope sphere decoding method of a multiple antenna system. The method includes: tree mapping a node having highest pruning potential that can be predicted at a root of a tree of orthotope sphere decoding to a root level of the tree, among nodes to be mapped to the tree; and performing tree search of the orthotope sphere decoding on the nodes mapped to the tree. | 02-27-2014 |
Ip-Dong Jang, Gwangju KR
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20150244964 | BROADCAST RECEIVER AND CONTROL METHOD THEREOF - Disclosed are a broadcast receiver and a method thereof, in which channels are automatically scanned. The broadcast receiver includes: a signal receiver configured to receive a broadcasting signal of one frequency band among a plurality of frequency bands; and a controller configured to determine presence or absence of a corresponding broadcasting signal for each of the plurality of frequency bands by checking properties of each of the plurality of frequency bands, and control a channel scanning operation to be performed. The controller controls the signal receiver not to perform the channel scanning operation with regard to one or more frequency bands, in which it is determined that the corresponding broadcasting signal is absent. | 08-27-2015 |
Jae-Hyung Jang, Gwangju KR
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20080266106 | NAVIGATION APPARATUS AND METHOD USING RFID - Disclosed is a navigation apparatus and method using RFID that is capable of providing information on a current position and a moving direction to the destination. An antenna unit has directivity in a predetermined direction and receives at least one radio signal transmitted from at least one RFID tag. An RFID reader converts the at least one radio signal provided by the antenna unit into information on the at least one RFID tag in a digital form, measures the reception strength of the at least one radio signal, and provides the information on the at least one RFID tag and information on the received strength. A control unit determines the current position and moving direction on the basis of the information on the at least one RFID tag and the information on the reception strength provided from the RFID reader. Accordingly, it is possible to accurately recognize the current position and the moving direction of the navigation apparatus and guide the moving direction to the destination. | 10-30-2008 |
20090091446 | SECURITY SYSTEM USING LASER RANGE FINDER AND METHOD OF DETECTING INTRUDER USING LASER RANGE FINDER - A security system using a laser range finder that can precisely determine an existence and a location of an intruder, and a method of detecting the intruder using the laser range finder are provided. The security system using a laser range finder, the security system includes: the laser range finder emitting laser beam, receiving the reflected laser beam, measuring a distance between the laser range finder and a target object, and detecting an existence and a location of an intruder; and at least one reflective means reflecting the emitted laser beam toward the laser beam finder, wherein at least one reflective means is spaced by a predetermined distance of the laser range finder and is installed a predetermined distance from the laser range finder. | 04-09-2009 |
20100026462 | METHOD OF RECOGNIZING RFID TAG FOR THE PURPOSE OF PREVENTING THOURGHPUT INVERSION AND RFID READER PERFORMING THE SAME - A method of recognizing a tag in an RFID reader includes: obtaining a predetermined frame size in the case where throughput obtained by reflecting a slot length based on the remaining number of tags except for recognized tags within a frame progressing current tag recognition that substantially has a maximum value; and when the current frame size is different from the predetermined frame size, stopping the current progress of frame and changing the current frame size into the expected frame size. The method of recognizing a tag may further include when the current frame size is equal to the expected frame size, changing the current frame size into the frame size that does not cause a throughput inversion phenomenon for the remaining number of tags to be recognized within the frame progressing the current tag recognition. By the throughput inversion phenomenon, the occurrence of throughput loss can be prevented and the tag recognition time is reduced to recognize the tags at high speed. | 02-04-2010 |
20150078214 | ACCESS POINT FOR WIRELESS LAN AND MEDIUM ACCESS CONTROL METHOD THEREOF - In a medium access control method of an access point for a wireless LAN, the access point is capable of full-duplex communication, and the medium access control method includes receiving a frame header of a first data frame from a first terminal, and transmitting a second data frame to a second terminal while the first data frame is received from the first terminal. | 03-19-2015 |
Jae Kyoung Jang, Gwangju KR
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20130264930 | SEMI-AUTO CLOSING APPARATUS AND REFRIGERATOR HAVING THE SAME - A refrigerator which improves the structure of an auto closing apparatus, increases the sealing ability of a door, and omits mounting of a separate spring. The refrigerator includes at least one door opening and closing at least one storage chamber provided in a main body, at least one upper hinge module including a body part and an extension part rotatably coupled to the at least one door, at least one lower hinge module, a door cap installed on an upper portion of the at least one door and including a hinge receiving part, an auto close lever coupled to the door cap and has elasticity to transmit elastic force to the door, and a cam member including a cam surface contacting the auto close lever so that the auto close lever accumulates elastic force and then transmits the elastic force to the door when the door is closed. | 10-10-2013 |
Jae-Young Jang, Gwangju KR
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20130070143 | DISPLAY APPARATUS AND METHOD - A display apparatus includes a control unit for displaying a first content in a first area of a display screen, and a multi-contents generation unit for generating a plurality of second contents, wherein the control unit divides a second area of the display screen into a plurality of areas, and the plurality of second contents are respectively displayed in areas of the second area. | 03-21-2013 |
Jeong Cheol Jang, Gwangju KR
Patent application number | Description | Published |
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20120169155 | FAN MOTOR FOR CIRCULATING COOLED AIR - A fan motor for circulating cooled air including: a stator assembly having a stator core having teeth ends protruded annularly outwardly and coils wound on the teeth ends of the stator core and molded out of resin to have a donut-like shape having a bearing insertion hole formed to be passed vertically through the center thereof; a bearing assembly adapted to be insertedly fixed into the bearing insertion hole of the stator assembly; and a rotor fan assembly having a rotor having a cup-shaped case, a rotor shaft formed in the center of the case in such a manner as to be passed vertically through the center of the case, and magnetic poles formed along the inner periphery of the case, and a fan having a hub coupled to the top end periphery of the rotor shaft of the rotor and blades disposed around the hub. | 07-05-2012 |
20120169173 | STATOR FOR MOTOR - The present invention relates to a stator for a motor including: a stator core having an annular back yoke and a plurality of teeth; an upper insulator having an annular body portion formed correspondingly to the back yoke of the stator core and a plurality of teeth insulation portions formed correspondingly to the teeth of the stator core so as to cover the upper sides of the teeth of the stator core; a lower insulator having an annular body portion formed correspondingly to the back yoke of the stator core and a plurality of teeth insulation portions formed correspondingly to the teeth of the stator core so as to cover the upper sides of the teeth of the stator core; a plurality of insulation films each adapted to be inserted into the slot to cover the side of the stator core exposed to the inside of the slot between the upper insulator and the lower insulator; and coils adapted to be wound on the teeth of the stator core enclosed by the upper insulator, the lower insulator and the insulation films. | 07-05-2012 |
20120175992 | STATOR FOR COMPRESSOR MOTOR - A stator for a compressor motor that has a structure in which the ends of insulation films inserted into slots of a stator core are supportedly locked to locking protrusions formed on upper and lower insulators for insulating the upper and lower sides of the stator core, thereby allowing the insulation films to be securely supported and providing easy assembling process for the insulation film and the upper and lower insulators. | 07-12-2012 |
20120175993 | WINDING FRAME WITH MAGMATE AND STATOR CORE WITH THE SAME - A stator core including at least two or more stator core-continuous bodies each formed by coupling at least two or more unit cores to each other, each unit core consisting of a tooth portion having a coupling slot and a coupling projection formed along both ends thereof and connected to adjacent unit core by means of a connection portion formed at each of both end portions of the tooth portion, wherein the at least two or more stator core-continuous bodies are fitting-connected to each other by means of the coupling slots formed at one side ends thereof and the coupling projections formed at the other side ends thereof to form the stator core having a round shape. | 07-12-2012 |
20120206009 | STATOR FOR MOTOR - The present invention relates to a stator for a motor having a stator core having an annular back yoke and teeth protruded annularly in a radial direction from the back yoke, a plurality of coils adapted to be wound on the teeth, and an insulator adapted to cover the stator core and the coils for insulation and having supporting ends formed sequentially to have different heights so as to support the plurality of coils thereon, thereby preventing the plurality of coils from being in contact with one another and locking projections formed at both sides or one side of the supporting ends so as to prevent the coils from escaping from the supporting ends, wherein each of the supporting ends has a stepped groove formed at a position spaced apart by a predetermined distance from the locking projections so as to allow the nozzle of the coil winding machine to be accessed thereto, and a total of the depth of the stepped groove and the height of each of the locking projections is larger than the radius of the nozzle. | 08-16-2012 |
20130009513 | STATOR ASSEMBLY FOR MOTOR - Disclosed therein is a stator assembly including: a stator core ( | 01-10-2013 |
20130106237 | STATOR ASSEMBLY FOR MOTOR | 05-02-2013 |
20130113335 | ROTOR HOUSING FOR EASY AND SAFE ASSEMBLING AND METHOD FOR ASSEMBLING MOTOR SET USING THE ROTOR HOUSING - The present invention relates to a method for assembling a motor set that includes: coupling a rotor housing having a plurality of operating holes to a stator having shaft bushings with holes formed therein through the operating holes, thereby making the holes to be seen through the operating holes; coupling the holes of the stator associated with the rotor housing to stator assembly holes of a motor set assembly, the holes of the stator being aligned with the stator assembly holes of the motor set assembly; and inserting rivets into the holes through the operating holes and coupling the rivets to the stator assembly holes. | 05-09-2013 |
20130255070 | WINDING FRAME WITH MAGMATE AND STATOR CORE WITH THE SAME - The present invention relates to a stator core including at least two or more stator core-continuous bodies each formed by coupling at least two or more unit cores to each other, each unit core consisting of a tooth portion having a coupling slot and a coupling projection formed along both ends thereof and connected to adjacent unit core by means of a connection portion formed at each of both end portions of the tooth portion, wherein the at least two or more stator core-continuous bodies are fitting-connected to each other by means of the coupling slots formed at one side ends thereof and the coupling projections formed at the other side ends thereof to form the stator core having a round shape. | 10-03-2013 |
20130257217 | WINDING FRAME WITH MAGMATE AND STATOR CORE WITH THE SAME - The present invention relates to a stator core including at least two or more stator core-continuous bodies each formed by coupling at least two or more unit cores to each other, each unit core consisting of a tooth portion having a coupling slot and a coupling projection formed along both ends thereof and connected to adjacent unit core by means of a connection portion formed at each of both end portions of the tooth portion, wherein the at least two or more stator core-continuous bodies are fitting-connected to each other by means of the coupling slots formed at one side ends thereof and the coupling projections formed at the other side ends thereof to form the stator core having a round shape. | 10-03-2013 |
20130323094 | FAN MOTOR - Disclosed is a fan motor including: a lower bracket having a lower protruding portion disposed at the center thereof and a space portion formed around the lower protruding portion; an upper bracket having an upper protruding portion disposed at the center thereof; a rotor disposed between the lower protruding portion and the upper protruding portion in such a manner as to be rotated together with a shaft; a stator core adapted to be surrounded with a lower insulator disposed on the top of the lower protruding portion and with an upper insulator disposed on the underside of the upper protruded portion; and a PCB cover adapted to be coupled under the lower insulator in such a manner as to be disposed into the space portion of the lower bracket and having a PCB insertion space portion formed at the inside thereof. | 12-05-2013 |
20130328426 | BUS BAR OF MOTOR AND BUS BAR HOUSING - Disclosed is a bus bar having a plurality of connection taps formed radially therefrom, the bus bar including: first, second and third faces extended sequentially from the end of each connection tap in such a manner as to have a U-like side shape; and a coil insertion portion having a groove formed in a length direction of each connection tap on the center portions of the first, second and third faces and having a thickness lower than the thicknesses of the first, second and third faces, the coil insertion portion having a coil inserted into the groove thereof. | 12-12-2013 |
20130328438 | STATOR OF MOTOR AND METHOD FOR MANUFACTURING THE STATOR - Disclosed is a stator of a motor having a stator core having a plurality of teeth protruded therefrom and a slot formed between the adjacent teeth; and at least one or more L-shaped coupling members adapted to be attached to given positions on a side peripheral surface of the stator core, each L-shaped coupling member having a flat surface portion and a side wall portion, the flat surface portion 2 | 12-12-2013 |
20130342067 | ROTOR OF MOTOR - Disclosed is a rotor of a motor including: a cup-shaped rotor housing having a side wall portion formed along the outer peripheral surface thereof; a rotor core disposed inside the side wall portion of the rotor housing and having a plurality of U-shaped insertion grooves formed therealong; and a plurality of U-shaped magnets adapted to be inserted correspondingly into the plurality of U-shaped insertion grooves of the rotor core. | 12-26-2013 |
20140152135 | MOTOR WITH VARIABLE MAGNET FLUX - Disclosed therein is a motor with a variable magnetic flux, which includes a rotor and a stator located inside the rotor. The rotor includes a rotor housing, a plurality of unit rotor cores and magnets which are attached to the inner wall surface of the rotor housing, and the unit rotor cores and the magnets are arranged in turn. The stator includes a stator core base and a plurality of teeth radially formed on the outer peripheral surface of the stator core base at equal intervals, and each of the teeth has ears formed at both sides of an end thereof. | 06-05-2014 |
20140152137 | MOTOR WITH VARIABLE MAGNET FLUX - Disclosed therein is a motor with a variable magnetic flux, which includes a rotor and a stator located inside the rotor. The rotor includes a rotor housing, a rotor core attached to the inner circumference of the rotor housing, and magnets attached to the inner surface of the rotor core. The stator includes a stator core base and a plurality of teeth radially formed on the outer peripheral surface of the stator core base at equal intervals, and each of the teeth has ears formed at both sides of an end thereof. The magnets are divided into first magnets and second magnets, the second magnets are low in coercive force than the first magnets, and a plurality of the first magnets are located at both sides of the second magnets. | 06-05-2014 |
20140159520 | STATOR ASSEMBLY WITH MAGMATE HOLDER - Disclosed therein is a stator assembly, which includes a circular base part and a stator core having a plurality of teeth radially formed on an outer face of the base part and respectively having a tooth end portion. The stator assembly further includes: a magmate holder including a base plate, at least one inner leg and at least one outer leg formed at a lower portion of the base plate, and a power connector part formed on an upper portion of the base plate and having a joining projection formed at one side thereof; and a sensor cover including a body part and a hook formed on a lower portion of the body part and being joined with the joining projection. | 06-12-2014 |
20140191608 | ROTOR FOR MOTOR - Disclosed therein is a rotor for a motor. The rotor includes: a rotor core including an annular ring having a shaft hole formed at a central portion thereof, a plurality of yokes formed around the annular ring, and magnet insertion holes formed between the neighboring yokes; magnets respectively inserted into the magnet insertion holes; and a pair of rotor covers each having a ring plate, which has a shaft insertion hole formed at a central portion thereof, and a plurality of stoppers protrudingly formed around the ring plate. A pair of the rotor covers are joined to an upper portion and a lower portion of the rotor core in such a fashion that the stoppers are respectively located at side portions of the magnet insertion holes. | 07-10-2014 |
20140246936 | FAN MOTOR - Disclosed therein is a fan motor including: a lower bracket having a lower protrusion which is located at the central portion and has a lower bearing insertion portion therein and a space which is formed around the lower protrusion; an upper bracket having an upper protrusion which is located at the central portion and has an upper bearing insertion portion therein; a rotor located between the lower protrusion and the upper protrusion and rotating together with a shaft; and a stator core surrounded by a lower insulator which is located above the lower protrusion and an upper insulator which is located below the upper protrusion. | 09-04-2014 |
20140333173 | MOTOR HAVING ELECTROMAGNETIC ROTOR - Disclosed is a motor including: a rotor housing; a stator assembly located inside the rotor housing; a first core located inside the stator assembly; a second core located at the center of the rotor housing; and a coil housing located inside the rotor housing and having a space portion formed at the inside thereof. | 11-13-2014 |
20140361659 | ROTOR HOUSING FOR EASY AND SAFE ASSEMBLING - Disclosed is a rotor housing for a motor. The rotor housing has a shaft bushing in the center thereof and includes a plurality of operating holes disposed at a defined position between an outer circumference of the rotor housing and the shaft bushing. The defined position corresponds to the position of a plurality of holes formed in a stator to be coupled to the rotor housing. | 12-11-2014 |
20150069876 | VARIABLE MAGNETIC FLUX MOTOR - Disclosed therein is variable magnetic flux motor, which includes a rotor and a stator located inside the rotor. The rotor includes a rotor housing, a plurality of unit rotor cores and magnets which are attached to the inner wall face of the rotor housing, and the unit rotor cores and the magnets are arranged in turn. The stator includes a stator core base, and a plurality of teeth radially formed on the outer peripheral surface of the stator core base at equal intervals, and each of the teeth has ears formed at both sides of an end thereof. | 03-12-2015 |
20150076934 | FAN MOTOR - Disclosed herein is a fan motor including: a first bracket having a central portion through which a rotary shaft penetrates, the first bracket having an upper bearing insertion space which is formed in the first bracket and to which an upper bearing for supporting the upper end portion of the rotary shaft is inserted; a second bracket having an upper side to which the first bracket is connected, the second bracket having a lower bearing insertion space which is formed at the central portion of the lower side thereof and to which a lower bearing for supporting the lower end portion of the rotary shaft is inserted; a printed circuit board inserted and fixed into a PCB insertion space formed in the lower side of the second bracket; and a third bracket having an upper side to which the second bracket is connected. | 03-19-2015 |
20150084476 | LAMINATED CORE OF MOTOR HAVING STRUCTURE SUITABLE FOR INSULATION COATING - Disclosed herein is a laminated core of a motor including: a first core sheet including a first rounded core base, a plurality of first teeth which are radially formed on the first core base, and first tooth ears formed at the end of each of the first teeth; and a second core sheet including a second rounded core base, a plurality of second teeth which are radially formed on the second core base, and second tooth ears formed at the end of each of the second teeth, the second core sheet having the same shape as the first core sheet but being smaller than the first core sheet, wherein the second core sheet is located at the lowermost part, one or more the first core sheets are laminated on the second core sheet, and another second core sheet is located at the uppermost part. | 03-26-2015 |
20150102709 | STATOR ASSEMBLY FOR MOTOR - Disclosed herein is a stator assembly for a motor including: a stator core which includes a rounded base having a plurality of first holes formed in the vertical direction and a plurality of teeth radially formed on the outer circumferential surface of the base; an insulation coating layer formed on the entire surface of the stator core except the inner face of the base and the periphery of the first hole; and one or more connection parts connected to the rounded base. | 04-16-2015 |
20150123501 | MOTOR - Disclosed is a motor including: a housing formed by means of insert injection molding in such a manner as to locate a stator assembly inside a mold, the stator assembly having a stator core, an upper insulator adapted to be coupled to the upper side of the stator core, and a lower insulator adapted to be coupled to the lower side of the stator core; a printed circuit board adapted to mount an integrated circuit device thereon; and at least one or more screws adapted to be inserted into screw holes formed on the top peripheral portion of the housing and having screw heads formed thereon, the screw heads being engagedly coupled to the peripheral portion of the end cover and the end portions of the screws being brought into contact with the stator core. | 05-07-2015 |
20150130328 | HALL SENSOR COVER AND MOTOR USING THE SAME - Disclosed is a hall sensor cover comprising: mag-mate terminal portions each having a mag-mate terminal having a coil insertion slit formed thereon and a power terminal pin extended toward one side direction of the mag-mate terminal; and a power connector portion having a base having mag-mate terminal insertion slots formed to insert the mag-mate terminal portions thereinto and power terminal insertion portions each adapted to insert the power terminal pin thereinto, wherein the power connector portion is coupled to the end portions of teeth of an insulator. | 05-14-2015 |
20150137637 | STATOR OF MOTOR HAVING BUS-BAR WIRING STRUCTURE AND METHOD OF WIRING COIL IN PARALLEL USING THE SAME - A stator of a motor having a bus-bar wiring structure according to the present invention includes: a stator core configured of a core base in which a plurality of teeth is formed; an upper insulator coupled to a top of the stator core to insulate the teeth; a lower insulator coupled to a bottom of the stator core; a coil wound around the teeth when the upper insulator and the lower insulator are coupled; and a lower bus-bar housing coupled to a top of the upper insulator and having a plurality of bus-bar insertion units formed to insert a plurality of bus-bars. | 05-21-2015 |
20150180300 | FAN MOTOR - A fan motor according to the present invention includes a lower bracket having a center portion through which a rotating shaft passes, a bracket welding groove formed at an upper portion, and a lower bearing insertion space formed around the rotating shaft outside the center portion; an upper bracket having a center portion through which the rotating shaft passes, a bracket welding projection formed at a position corresponding to the bracket welding groove of the lower bracket, and an upper bearing insertion space formed around the rotating shaft inside the center portion; a rotor combined with the rotating shaft and rotating inside the upper bracket; and a stator positioned around the rotor, and the bracket welding groove and the bracket welding projection are tightly coupled to each other through ultrasonic welding. | 06-25-2015 |
20150214807 | MOTOR WITH HALL SENSOR COVER AND WATERPROOF COVER - In a motor according to the present invention configured of a stator core having a plurality of teeth formed in a radial shape and an upper insulator and a lower insulator surrounding an upper portion and a lower portion of the stator core, the motor includes a hall sensor cover combined on a top of the teeth of the upper insulator and having a plurality of hall sensors, and a hall sensor resting unit for resting lower end portions of the hall sensors is formed on a top of one end portions of the teeth of the upper insulator. | 07-30-2015 |
20150270757 | FAN MOTOR - The present invention relates to a fan motor having a stator core, a rotor and a rotary shaft rotatably coupled to the rotor, the fan motor including: a PCB cover having a bottom portion, an outside wall portion and an inside wall portion; and a PCB coupled to the internal space defined by the bottom portion, the outside wall portion and the inside wall portion of the PCB cover, wherein the stator core has an outer peripheral portion, teeth portions formed radially along the outer peripheral portion and at least one or more protrusion portions formed on the outer peripheral portion, and the PCB cover is thus coupled to the protrusion portions of the stator core. | 09-24-2015 |
20150318756 | FAN MOTOR - A fan motor including: a lower bracket through which a rotary shaft passes and having a lower bearing insertion space formed around the rotary shaft; an upper bracket through which the rotary shaft passes and having an upper bearing insertion space formed around the rotary shaft; a lower bearing forcedly pressed and fixed at a lower bearing seating portion formed above the lower bearing insertion space; an upper bearing forcedly pressed and fixed at an upper bearing seating portion formed above the upper bearing insertion space; a rotor rotatably joined to the rotary shaft inside the upper bracket; a stator located around the rotor; a lower felt cover having a lower bearing supporting portion for supporting the lower portion of the lower bearing; and an upper felt cover having an upper bearing supporting portion for supporting the lower portion of the upper bearing. | 11-05-2015 |
20150333577 | LAMINATED CORE FOR MOTOR AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein is a laminated core for a motor manufactured by laminating sheets of a plurality of cores. The laminated core is formed by connection of a plurality of split cores, yoke parts of the split cores which are adjacent to each other get in contact with each other so as to form a contact part, and a connection caulking part is formed at the contact part. | 11-19-2015 |
20150380887 | GROUND STRUCTURE FOR MOTOR - A ground structure for a motor including: a housing having a flange protruded upwardly from the outer periphery of an opening formed on the top surface thereof; a bearing cover having a coupling groove formed along the outer periphery of the underside thereof to inserted the flange of the housing thereinto; a stator core fixedly disposed to the inside of the housing and having a plurality of teeth on which a coil is wound formed annularly along the inner periphery thereof; and a connector having one end coupled to the flange of the housing in such a manner as to be brought into contact with the coupling groove of the bearing cover when the bearing cover is coupled to the top end periphery of the housing and the other end passed through the housing in such a manner as to be brought into contact with the stator core. | 12-31-2015 |
20150380993 | METHOD FOR OPERATING VARIABLE MAGNETIC FLUX MOTOR - Disclosed therein is a method of operating a variable magnetic flux motor. The method of operating the variable magnetic flux motor, which includes a rotor and a stator located inside the rotor, the rotor including first magnets and second magnets having a coercive force weaker than that of the first magnets, includes: a first step of operating the motor in an initially magnetized state of the second magnets; and a second step of operating the motor in an inversedly magnetized state of the second magnets by applying a magnetomotive force to the second magnets in the opposite direction to the magnetization direction of the second magnets. | 12-31-2015 |
Jung Cheol Jang, Gwangju KR
Patent application number | Description | Published |
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20130043742 | MOTOR - The present invention relates to a motor including: a housing formed in such a manner as to locate a stator assembly inside a mold and to perform an insert injection molding, the housing having a hollow portion formed at the inside thereof and power terminal pins exposed above the hollow portion; a printed circuit board adapted to mount an integrated circuit device thereon and having a shaft insertion hole formed at the center thereof and power terminal pin holes formed at the corresponding positions to the power terminal pins; and an end cover adapted to be coupled to the housing in such a. manner as to be located on the top of the printed circuit board and having a motor shaft coupling portion formed at the center thereof. | 02-21-2013 |
20130169104 | STATOR CORE OF MOTOR FOR WASHING MACHINE - The present invention relates to a stator core of a motor for a washing machine that is formed by connecting a plurality of arc-shaped core pieces to each other, each of the core pieces being formed by stacking core piece steel plates on top of each other and by bending the stacked core piece steel plates in such a manner that core piece teeth are disposed outward in the radial direction of a core piece yoke and the core piece yoke has the same curvature as a yoke of a stator core, the core piece yoke on each core piece steel plate having a plurality of incised portions for bending formed partially incised thereon between the respective neighboring core piece teeth on the opposite side to the side on which the core piece teeth are formed. | 07-04-2013 |
Min Ho Jang, Gwangju KR
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20120295136 | BATTERY PACK - A battery pack, including a casing receiving a battery module, the battery module comprising a plurality of batteries, a first cooling unit installed in a surface of the casing and introducing a coolant into the casing; and a second cooling unit installed in an opposite surface of the casing and discharging the coolant introduced into the casing by the first cooling unit to the outside of the casing, thus causing the coolant to flow in the casing, wherein the batteries of the battery module are laminated in a predetermined direction inside the casing, with a space defined between the batteries so that the coolant can pass through the space between the batteries; and an end of the space of the battery module is open toward the first cooling unit and an opposite end of the space is open toward the second cooling unit. | 11-22-2012 |
20130224523 | BATTERY CELL CASE - Disclosed herein is a battery cell case. The battery cell case includes a front case plate and a rear case plate which are separably coupled to each other. The structures of the front and rear case plates are symmetrical structures, so that the battery cell case can be easily assembled in such a way that the front and rear case plates are coupled to each other with the battery cell disposed therebetween and are fastened to each other by holders fitted over the opposite ends of the case plates. In another embodiment, the structures of the front and rear case plates may be asymmetrical structures so that the front and rear case plates can be coupled with each other in an insert coupling manner without using a separate tool or fastening means. | 08-29-2013 |
20130224524 | LITHIUM BATTERY - The present invention relates to a lithium battery and, more particularly, to a lithium battery, in which the structure of a battery module contained in the lithium battery is simplified, thus reducing the size of the entire lithium battery, and which includes a connector by which two or more lithium batteries are mechanically coupled to each other so that in response to a required amount of power, an appropriate number of lithium batteries can be easily connected to each other. | 08-29-2013 |
20130224541 | BATTERY PACK CASE - Disclosed herein is a battery pack case. An upper cover, a lower support base and each side cover form at least one seating depression extending in a sideways direction. Each of the front and rear covers has band locking depressions at positions corresponding to the seating depressions. Each band locking depression has a shape corresponding to a related one of fixing bands. Each fixing band includes a band body which is made of rubber, fabric or plastic and extends a predetermined length in one direction, and a locking protrusion provided on each of opposite ends of the band body. The locking protrusion has a structure corresponding to a related one of the band locking depressions. The locking protrusions of the fixing bands are inserted into the corresponding band locking depressions, thus fastening the elements including the front cover and the rear cover together. | 08-29-2013 |
20150380690 | BATTERY CELL CASE - Disclosed herein is a battery cell case. The battery cell case includes a front case plate and a rear case plate which are separably coupled to each other. The structures of the front and rear case plates are symmetrical structures, so that the battery cell case can be easily assembled in such a way that the front and rear case plates are coupled to each other with the battery cell disposed therebetween and are fastened to each other by holders fitted over the opposite ends of the case plates. In another embodiment, the structures of the front and rear case plates may be asymmetrical structures so that the front and rear case plates can be coupled with each other in an insert coupling manner without using a separate tool or fastening means. | 12-31-2015 |
Min Su Jang, Gwangju KR
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20150099622 | SELECTIVE SURFACE IMPREGNATION METHOD FOR CATALYTICALLY ACTIVE MATERIALS ON PARTICULATE CATALYST SUPPORT USING MUTUAL REPULSIVE FORCE AND SOBLUBILITY DIFFERENCE BETWEEN HYDROPHILIC SOLVENT AND HYDROPHOBIC SOLVENT - A method for preparing a catalyst having catalytically active materials selectively impregnated or supported only in the surface region of the catalyst particle using the mutual repulsive force of a hydrophobic solution and a hydrophilic solution and the solubility difference to a metal salt precursor between the hydrophobic and hydrophilic solutions. The hydrophobic solvent is a C2-C6 alcohol. The hydrophobic solvent is introduced into the catalyst support and then removed of a part of the pores connected to the outer part of the catalyst particle by drying under appropriate conditions. Then, a hydrophilic solution containing a metal salt is introduced to occupy the void spaces removed of the hydrophobic solvent, and the catalyst particle is dried at a low rate to selectively support or impregnate the catalytically active material or the precursor of the catalytically active material only in the outer part of the catalyst particle. | 04-09-2015 |
Myoung Jin Jang, Gwangju KR
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20130278126 | REFRIGERATOR - A refrigerator having an improved structure of a storage box and a shelf thereof so as to achieve increased space utilization of a storage compartment. The storage box may have slide protrusions respectively formed on both of outer side-faces of the storage box at a lower portion thereof to allow the storage box to be slidably retracted in or extended from the storage compartment. The shelf may have a support structure to support food thereon and slide grooves respectively formed above both sides of the support structure, each groove receiving the corresponding slide protrusion of the storage box. When the storage box is mounted on the shelf, food may be put in the inner space of the storage box, whereas when the storage box is dismounted from the shelf, a food storage space may be present on the support structure of the shelf. | 10-24-2013 |
Sang Min Jang, Gwangju KR
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20130224524 | LITHIUM BATTERY - The present invention relates to a lithium battery and, more particularly, to a lithium battery, in which the structure of a battery module contained in the lithium battery is simplified, thus reducing the size of the entire lithium battery, and which includes a connector by which two or more lithium batteries are mechanically coupled to each other so that in response to a required amount of power, an appropriate number of lithium batteries can be easily connected to each other. | 08-29-2013 |
Seung Hyun Jang, Gwangju KR
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20130079484 | ORGANIC-INORGANIC HYBRID POLYMER HAVING QUANTUM WELL STRUCTURES - Provided is poly(tetraphenyl)silole siloxane having quantum well structures, and thus, organic-inorganic hybrid polymers having these quantum well structures are applied to electronic devices, which allows flexible non-volatile TFT memory devices to be realized. | 03-28-2013 |
Suk Ho Jang, Gwangju KR
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20120313497 | REFRIGERATOR - A refrigerator having a mid-front plate structure that provides a superior coupling strength with respect to a middle wall while ensuring a simple shape and a high strength. The refrigerator includes a coupling member which is fixed to a front surface of the middle wall such that the mid-front plate is fixed to the middle wall. The mid-front plate includes an interior space to accommodate the coupling member and an insertion hole part allowing the coupling member to be inserted into the interior space therethrough. The mid-front plate is fixed to the middle wall by moving the mid-front plate toward the middle wall such that the coupling member fixed to the middle wall is inserted into the interior space and then by pushing the mid-front plate to one side. | 12-13-2012 |
Sung Joon Jang, Gwangju KR
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20150131691 | SILICON DBR STRUCTURE-INTEGRATED LIGHT ELEMENT, AND PREPARATION METHOD - The present invention relates to a silicon DBR structure-integrated light device, and a preparation method thereof, and more specifically, to a silicon DBR structure-integrated light device or vertical cavity light emitting diode, and a preparation method thereof, enabling preparation by a small number of layers and capable of reducing process time and costs due to a large contrast in refractive index of a silicon DBR structure formed by depositing silicon in a slanted or vertical manner. | 05-14-2015 |
Sung Jun Jang, Gwangju KR
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20080261157 | SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME - Disclosed is a method of manufacturing a distributed feedback semiconductor laser device. In order to form a grating in only a channel, an etching mask, which is used when forming a ridge waveguide, is allowed to remain. A portion of sides of an ohmic contact layer is removed. A metal layer that remains at locations other than a location of the grating is removed by a lift-off method. According to an embodiment of the invention, a holographic exposure method or a nanoimprint method is used in forming a grating of the distributed feedback laser device, and the grating is formed in a self-aligned manner. The distributed feedback laser device that is manufactured according to the embodiment of the invention can be formed by using a technology and a structure that are suitable for mass production. Further, excellent reproducibility can be ensured and production costs can be decreased in the distributed feedback laser device, thereby complementing a disadvantage of an existing distributed feedback laser device. | 10-23-2008 |
Sun Oh Jang, Gwangju KR
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20150074926 | PORTABLE TOOTHBRUSH - The present invention relates to a portable toothbrush which, in particular: has a cleaning solution capable of cleaning the mouth, toothbrush bristles, and an interdental brush; discharges, via a spraying method, the cleaning solution from a storage member for storing the cleaning solution; has an interdental cleaning member detachably installed thereon, and a cover for covering the interdental cleaning member that is coupled to an interdental cleaning member fixing hole; is used by discharging the cleaning solution via the spraying method before and after the toothbrush is used so as to enable the hygienic rinsing of the mouth; and facilitates the carrying and replacement of the interdental toothbrush. | 03-19-2015 |
Won-Gun Jang, Gwangju KR
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20130137995 | PULSE DIAGNOSIS DEVICE USING OPTICAL SENSOR - A pulse diagnosis device which can detect the pulsation signal of a radial artery using an optical sensor comprising: a sensor module for sensing the pulsation signal by closely adhering thereto a prescribed body part; and a system control portion for operating the sensor module, and processing the optical signal sensed from the sensor module, wherein the sensor module comprises: an optical waveguide-type sensor which is placed on the bottom surface of the sensor module, and lets the optical signal to pass therethrough and detects the change in optical characteristics due to the change in the pressure; a light-source module which is connected on one side surface of the optical waveguide-type sensor, and inputs the optical signal into the optical waveguide-type sensor; and an optical detector module which is connected on one side surface of the optical waveguide-type sensor, and detects the optical signal delivered from the optical waveguide-type sensor. | 05-30-2013 |
Young Ho Jang, Gwangju KR
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20110208369 | Demand response method, computer-readable medium and system - A demand response (DR) system, computer-readable medium and method are disclosed. The DR system controls a high-power-consumption load to be pre-operated or post-operated in a low-power-rate interval instead of a high-power-rate interval, and reduces an amount of power consumption required for a high-power-rate interval, resulting in reduction of power rates. In addition, limitation to household appliance operation is minimized, to greatly reduce inconvenience of a user. | 08-25-2011 |
Young-Hyun Jang, Gwangju KR
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20160040819 | ASSEMBLY FOR BLOCKING COOLING WATER CHANNEL IN MOLD - The present invention relates to an assembly for blocking a cooling water channel in a mold, which includes a bolt with a threaded-shank and a head, a base with a threaded-hole for thread-fastening the thread-shank, and an elastic ring, an elastic ring-fixing member, a pressing ring, an expansion ring, and a seat member which are disposed between the bolt and the base from the base to the bolt. The elastic ring-fixing member has an elastic ring seat holding the inner side of the elastic ring, the inner side of the elastic ring is fitted in the elastic ring seat, a body is made by insert-molding nylon to protect the base with the threaded-hole and composed of an upper cylindrical portion, a lower cylindrical portion larger in outer diameter than the upper cylindrical portion, and a step formed at the joint of the upper and lower cylindrical portions. | 02-11-2016 |
Young-Man Jang, Gwangju KR
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20110141803 | Magnetic tunnel junction devices, electronic devices including a magnetic tunneling junction device and methods of fabricating the same - Perpendicular magnetic tunnel junction (MTJ) devices, methods of fabricating a perpendicular MTJ device, electronic devices including a perpendicular MTJ device and methods of fabricating the electronic device are provided, the perpendicular MTJ devices include a pinned layer, a tunneling layer and a free layer. At least one of the pinned layer and the free layer includes a multi-layered structure including an amorphous perpendicular magnetic anisotropy (PMA) material. | 06-16-2011 |
Young Shin Jang, Gwangju KR
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20090277209 | Refrigerator with cold storage unit - Disclosed is a refrigerator including a storage compartment, a door for opening/closing a front surface of the storage compartment, and a cold storage unit provided in a storage space defined in the storage compartment. The cold storage unit is rotatably installed at one sidewall defining the storage space to serve as a shelf, so that convenience of use and space utility are improved. | 11-12-2009 |
Young Soo Jang, Gwangju KR
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20140029777 | WIRELESS IN-THE-EAR TYPE HEARING AID SYSTEM HAVING REMOTE CONTROL FUNCTION AND CONTROL METHOD THEREOF - A wireless ITE (In-The-Ear) type hearing aid system having a remote control function, is provided, which includes: left and right hearing aids respectively inserted into ears and controls individually built-in features depending on a remote control signal applied in a near field magnetic induction (NFMI) method; a smart device that individually remote controls functions; and a wireless relay module that transmits and receives the audio signals and various information signals in the NFMI method, and that processes individual remote control signals in which the individual remote control signals are transmitted from the smart device via a near field communication (NFC) method. ITE type hearing aids are configured to operate with a smartphone in a wireless communication method, to then enable the smartphone to selectively control inherent functions, and to thereby maximize the ease of operation of a hearing aid wearer. | 01-30-2014 |