Patents by Inventor Seong Hai Jeong
Seong Hai Jeong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8291731Abstract: A washing machine is disclosed. The washing machine has an improved structure adapted to generate steam in order to improve washing effect and enable sterilization of laundry using the steam. The washing machine comprises a tub to contain water, a heater installed in the tub, and a controller to control the heater to heat the water contained in the tub and to generate steam.Type: GrantFiled: March 31, 2006Date of Patent: October 23, 2012Assignee: LG Electronics Inc.Inventors: Seong Hai Jeong, Hung Myong Cho
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Patent number: 7911110Abstract: The present invention relates to motors, and more particularly, to a double rotor type motor applicable to a washing machine or the like. The double rotor type motor includes an outer rotor having first base, and a first extension extended from a circumference of the first base substantially perpendicular thereto, the first extension having outer magnets mounted on an inside circumferential surface, an inner rotor having a second base mounted on an upper surface of the first base concentric to the first base, and a second extension extended from a circumference of the second base so as to be opposite to the first extension with a predetermined gap toward an inner side of the first extension, the second extension having inner magnets mounted on an outside circumferential surface, and a bushing at a center of the first base and the second base, for transmission of rotation force both from the outer rotor and the inner rotor to a rotating shaft.Type: GrantFiled: January 18, 2006Date of Patent: March 22, 2011Assignee: LG Electronics Inc.Inventors: Soung Bong Choi, Seong Hai Jeong, Yeong Soo Kim, Hung Myong Cho, In Geun Ahn
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Patent number: 7730749Abstract: Door on a laundry dryer/drum type washing machine including a door frame having a central opening, for opening/closing an opening in a front part of a cabinet for introduction/taking out of laundry, an outer window fixed to a front surface of the door frame, and an inner window fixed to a rear surface of the door frame, wherein the door frame has a front surface curved in left/right directions, and the outer window is curved the same with the door frame, thereby providing a good design of a door and improving washing and drying performance.Type: GrantFiled: June 18, 2008Date of Patent: June 8, 2010Assignee: LG Electronics Inc.Inventors: Ju Hwan Yun, Seong Hai Jeong, Soon Jo Lee
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Publication number: 20090272155Abstract: A washing machine is disclosed. The washing machine has an improved structure adapted to generate steam in order to improve washing effect and enable sterilization of laundry using the steam. The washing machine comprises a tub to contain water, a heater installed in the tub, and a controller to control the heater to heat the water contained in the tub and to generate steam.Type: ApplicationFiled: March 31, 2006Publication date: November 5, 2009Applicant: LG ELECTRONICS INC.Inventors: Seong Hai Jeong, Hung Myong Cho
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Patent number: 7557486Abstract: A dual rotor-type motor includes a stator located between inner and outer rotors. The stator includes a core having first and second surfaces that face magnets on respective circumferential surfaces of the rotors. The surfaces of the core are spaced predetermined distances from the magnets on thr rotors and an insulating material can be included around the core.Type: GrantFiled: January 17, 2006Date of Patent: July 7, 2009Assignee: LG Electronics Inc.Inventors: Soung Bong Choi, Seong Hai Jeong, Yeong Soo Kim, Hung Myong Cho, In Geun Ahn
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Patent number: 7549305Abstract: Door on a laundry dryer/drum type washing machine including a door frame having a central opening, for opening/closing an opening in a front part of a cabinet for introduction/taking out of laundry, an outer window fixed to a front surface of the door frame, and an inner window fixed to a rear surface of the door frame, wherein the door frame has a front surface curved in left/right directions, and the outer window is curved the same with the door frame, thereby providing a good design of a door and improving washing and drying performance.Type: GrantFiled: July 30, 2003Date of Patent: June 23, 2009Assignee: LG Electronics Inc.Inventors: Ju Hwan Yun, Seong Hai Jeong, Soon Jo Lee
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Publication number: 20090139037Abstract: Disclosed hereinafter is a laundry device. More particularly, a washing machine comprises a steam generation unit installed therein to generate and supply steam to an outside of the washing machine or to a laundry-receiving device to remove wrinkles on laundry by using the steam supplied from the steam generation unit, and a method for controlling operation thereof. A method for controlling the washing machine is also disclosed. The washing machine comprises a steam generation unit to generate steam, and an steam outside-supplying pipe connected with the steam generation unit to supply the steam to an outside of the washing machine.Type: ApplicationFiled: March 31, 2006Publication date: June 4, 2009Inventors: Seong Hai Jeong, Soung Bong Choi, Byung Hwan Ahn, Hyeok Deok Kim, Deug Hee Lee, Hung Myong Cho
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Publication number: 20090115278Abstract: The present invention relates to motors, and more particularly, to a double rotor type motor applicable to a washing machine or the like. The double rotor type motor includes an outer rotor having first base, and a first extension extended from a circumference of the first base substantially perpendicular thereto, the first extension having outer magnets mounted on an inside circumferential surface, an inner rotor having a second base mounted on an upper surface of the first base concentric to the first base, and a second extension extended from a circumference of the second base so as to be opposite to the first extension with a predetermined gap toward an inner side of the first extension, the second extension having inner magnets mounted on an outside circumferential surface, and a bushing at a center of the first base and the second base, for transmission of rotation force both from the outer rotor and the inner rotor to a rotating shaft.Type: ApplicationFiled: January 18, 2006Publication date: May 7, 2009Applicant: LG ELECTRONICSInventors: Soung Bong Choi, Seong Hai Jeong, Yeong Soo Kim, Hung Myong Cho, IN Geun Ahn
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Patent number: 7494197Abstract: Cabinet for a home appliance including a base panel 10, one pair of side panels 20 respectively provided to side ends of the base panel 10, each having a size of holes 21 in a front end, a front panel 30 provided to front ends of the base panel and the side panels 10 and 20, the front panel 30 having projections 31 mounted on a rear surface thereof for being inserted in the holes 21 and engaged with circumferential portions 21a of the holes 21, respectively, and a rear panel 40 provided to rear ends of the base panel and the side panels 10 and 20.Type: GrantFiled: July 31, 2003Date of Patent: February 24, 2009Assignee: LG Electronics Inc.Inventors: In Hee Han, Seong Hai Jeong, Soon Jo Lee
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Publication number: 20080256989Abstract: An apparatus for clothes, more particularly, a new clothes refresher for de-wrinkling and sterilizing clothes is disclosed. The clothes refresher includes a body (400) configured to receive clothes therein, and a stem supply device (200) to supply steam into the body (400) in order to supply the steam to the clothes.Type: ApplicationFiled: February 28, 2006Publication date: October 23, 2008Applicant: LG ELECTRONICS INC.Inventors: Seong Hai Jeong, Soung Bong Choi, Byung Hwan Ahn, Hyeok Deok Kim, Deug Hee Lee, Hung Myong Cho
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Publication number: 20080256988Abstract: Door on a laundry dryer/drum type washing machine including a door frame having a central opening, for opening/closing an opening in a front part of a cabinet for introduction/taking out of laundry, an outer window fixed to a front surface of the door frame, and an inner window fixed to a rear surface of the door frame, wherein the door frame has a front surface curved in left/right directions, and the outer window is curved the same with the door frame, thereby providing a good design of a door and improving washing and drying performance.Type: ApplicationFiled: June 18, 2008Publication date: October 23, 2008Inventors: Ju Hwan Yun, Seong Hai Jeong, Soon Jo Lee
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Patent number: 7395612Abstract: A drum for use in a dryer is provided. The drum includes a plurality of segments joined axially to form the drum's cylindrical shape. The drum has a simple structure enabling the use of standardized segments to facilitate dryer manufacture by reducing production costs, increasing productivity, and reducing failure rates. The drum, which has a cylindrical shape, is composed of a plurality of segments, preferably, three, each arranged axially with respect to the axis of the drum. The drum includes a coupling mechanism, provided on each side edge of each segment, for joining the segments to form the cylindrical shape of the drum.Type: GrantFiled: July 15, 2004Date of Patent: July 8, 2008Assignee: LG Electronics Inc.Inventors: Seong Hai Jeong, Ju Han Yoon, Soo Won Park, In Hee Han
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Publication number: 20080122300Abstract: A motor adapted to rotate an element of an appliance, for example, a drum of a washing machine, is disclosed. The motor includes a rotating shaft which is rotatably mounted to a motor mounting member of an appliance, a rotor which includes magnets circumferentially arranged at a position radially spaced apart from a center of the rotating shaft by a predetermined distance such that N and S poles are alternately arranged, and a stator which includes a core made of metal, an insulator enclosing the core while allowing a surface of the core facing the magnets of the rotor to be outwardly exposed, the insulator being made of an insulating resin material, coils wound on the insulator, and a circular molded member formed in accordance with an insert molding method to enclose the insulator and the coils while allowing the surface of the core outwardly exposed through the insulator to be outwardly exposed.Type: ApplicationFiled: January 20, 2006Publication date: May 29, 2008Inventors: Hung Myong Cho, Seong Hai Jeong, Yeong Soo Kim
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Patent number: 7360323Abstract: Top cover assembly including a top cover mounted on a side plate of a cabinet, a fire plate between the side plate and the top cover, for preventing spreading of fire taking place in the cabinet to an exterior, and a cabinet holder for fastening the fire plate to the side plate, thereby enhancing a sense of beauty in view of design and preventing spreading of fire taking place in the cabinet.Type: GrantFiled: July 30, 2003Date of Patent: April 22, 2008Assignee: LG Electronics Inc.Inventors: Soon Jo Lee, Seong Hai Jeong
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Patent number: 7172413Abstract: A gas combustion apparatus of a laundry dryer is provided, by which an initial ignition power is improved to enhance an ignition property. The gas combustion apparatus includes a gas supply; a mixing pipe, having a mixing passage extending from an inlet end to an outlet end, for mixing the supplied gas with primary air, the primary air and gas entering the mixing passage at the inlet end and a gas-and-air mixture exiting the mixing passage at the outlet end; and a flame holder, disposed at the outlet end of the mixing pipe, for separating the gas-and-air mixture exiting the mixing pipe into a complex plurality of jetted streams.Type: GrantFiled: December 3, 2003Date of Patent: February 6, 2007Assignee: LG Electronics Inc.Inventors: In Hee Han, Seong Hai Jeong, Soo Won Park
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Patent number: 6857288Abstract: The present invention relates to a heat exchanger in a refrigerator having a simple structure and an improved heat exchange performance. For this, the present invention includes refrigerant tubes (10) having a plurality of straight parts (11) and a plurality of curved parts (12) connected between the straight parts arrange to form one or more columns perpendicular to each other, a plurality of straight plate type fins (20) fitted to the straight parts (11) of the refrigerant tubes (10) by means of a plurality of through holes (21) formed therein to form one or more than columns along a length direction, and one pair of reinforcing plates (30) fitted to the straight parts of the refrigerant tubes on both sides of the fins, wherein ST=D/N, where D denotes a width of the reinforcing plate (30), ST denotes a distance between centers of the refrigerant tube in each column, N denotes a number of the columns of the refrigerant tubes (21).Type: GrantFiled: February 28, 2002Date of Patent: February 22, 2005Assignee: LG Electronics Inc.Inventors: Sam Chul Ha, Jong Min Sin, Bong Jun Choi, Cheol Hwan Kim, Young Hwan Ko, Young Jeong, Seong Hai Jeong, Alexei V Tikhonov
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Publication number: 20040244439Abstract: Cabinet for a home appliance including a base panel 10, one pair of side panels 20 respectively provided to side ends of the base panel 10, each having a size of holes 21 in a front end, a front panel 30 provided to front ends of the base panel and the side panels 10 and 20, the front panel 30 having projections 31 mounted on a rear surface thereof for being inserted in the holes 21 and engaged with circumferential portions 21a of the holes 21, respectively, and a rear panel 40 provided to rear ends of the base panel and the side panels 10 and 20.Type: ApplicationFiled: April 15, 2004Publication date: December 9, 2004Inventors: In Hee Han, Seong Hai Jeong, Soon Jo Lee
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Publication number: 20040221479Abstract: A structure of a top cover of a clothes dryer for effectively preventing water flown through a prefabricated hole at a control panel on the top cover from being flowed to electric accessories is disclosed. The clothes dryer includes a base forming a floor of a body, a front cabinet forming a front of the body, a side cabinet forming a side of the body, a back cover forming a back side of the body, a top cover forming a top of the body, and the control panel 6 provided on a rear of the top cover 5. The top cover includes predetermined curvature in all direction along the body B, a groove provided along the body B at a rear side thereof, a prefabricated hook provided on a front surface of the control panel and inserted to the groove, and a fire wall made of metal and provided at a lower part thereof.Type: ApplicationFiled: September 17, 2003Publication date: November 11, 2004Applicant: LG ELECTRONICS INC.Inventors: Soon Jo Lee, Seong Hai Jeong
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Patent number: 6789614Abstract: A heat exchanger is provided for a refrigerator and includes one or more refrigerant tubes for refrigerant flow, and a plurality of straight fins having lengths different from each other fitted to the refrigerant tubes at fixed intervals in parallel to each other by means of through holes formed therein. The heat exchanger includes sections having different intervals or spaces between fins, wherein sections with the smallest fin spaces have a size 75% or less of a total size of the heat exchanger.Type: GrantFiled: June 12, 2002Date of Patent: September 14, 2004Assignee: LG Electronics Inc.Inventors: Jong Min Sin, Bong Jun Choi, Cheol Hwan Kim, Seong Hai Jeong, Young Hwan Ko, Young Jeong, Sam Chul Ha
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Publication number: 20040161720Abstract: A gas combustion apparatus of a laundry dryer is provided, by which an initial ignition power is improved to enhance an ignition property. The gas combustion apparatus includes a gas supply; a mixing pipe, having a mixing passage extending from an inlet end to an outlet end, for mixing the supplied gas with primary air, the primary air and gas entering the mixing passage at the inlet end and a gas-and-air mixture exiting the mixing passage at the outlet end; and a flame holder, disposed at the outlet end of the mixing pipe, for separating the gas-and-air mixture exiting the mixing pipe into a complex plurality of jetted streams.Type: ApplicationFiled: December 3, 2003Publication date: August 19, 2004Inventors: In Hee Han, Seong Hai Jeong, Soo Won Park