Patents by Inventor Woore KIM
Woore KIM 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: 11136707Abstract: The present invention relates to a laundry care apparatus in which an induction module heats the drum uniformly using a magnetic field to dry laundry or heat wash-water, and center and front and rear regions of the drum are uniformly heated.Type: GrantFiled: August 9, 2019Date of Patent: October 5, 2021Inventors: Beomjun Kim, Sangwook Hong, Woore Kim, Hongjun Cho
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Patent number: 11131049Abstract: A washing machine includes: a tub; a drum; a temperature sensor configured to detect a temperature of air between the drum and the tub; an induction heater configured to heat the drum; a controller unit configured to control the induction heater within a preset control temperature range; a circuit configured to supply power to the induction heater; a first thermostat configured to operate according to a first temperature of air between the drum and the tub and open the circuit when the first temperature is a first safety control temperature; and a thermal fuse configured to operate according to a second temperature of air outside the tub and open the circuit when the second temperature is a second safety temperature corresponding to a case where the temperature of the drum is in a second safety temperature range having a larger value than the first safety temperature range.Type: GrantFiled: February 22, 2019Date of Patent: September 28, 2021Assignee: LG Electronics Inc.Inventors: Jaehyuk Jang, Woore Kim, Sangwook Hong
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Patent number: 11124911Abstract: A washing machine includes: a tub; a drum; an induction heater disposed in a position spaced apart from the drum and configured to heat the drum; an input power source; a relay configured to interrupt a current applied to the coil of the induction heater from the input power source; a first processor configured to control the relay; and a safety device connected to a circuit connecting the first processor and the relay. The safety device includes: a first thermostat configured to operate according to a temperature of a first air between the drum and the tub, and open the circuit when the temperature of the first air is a first safety control temperature; and a thermal fuse configured to operate according to a temperature of a second air outside the tub, and open the circuit when the temperature of the second air is a second safety control temperature.Type: GrantFiled: February 22, 2019Date of Patent: September 21, 2021Assignee: LG Electronics Inc.Inventors: Beomjun Kim, Woore Kim, Sangwook Hong
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Patent number: 11060232Abstract: Disclosed is a laundry treatment apparatus, which directly heats a drum accommodating laundry and is enhanced in efficiency and safety. The laundry treatment apparatus includes a tub, a drum formed of a metal material and rotatably provided inside the tub to accommodate laundry, an induction module spaced apart from a circumferential surface of the drum to heat the circumferential surface of the drum via a magnetic field that is generated when current is applied to a coil, a lifter provided in the drum to move the laundry inside the drum when the drum rotates, a temperature sensor provided to sense a temperature of the drum, and a module controller configured to control an output of the induction module so as to control an amount of heat generated from the circumferential surface of the drum. The module controller controls the amount of heat based on the temperature sensed by the sensor.Type: GrantFiled: August 24, 2018Date of Patent: July 13, 2021Assignee: LG Electronics Inc.Inventors: Woore Kim, Changoh Kim, Sangwook Hong
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Patent number: 11060226Abstract: An object treating apparatus includes a tub, a rotatable drum for receiving an object, an induction heater for heating an outer circumferential face of the drum, a motor for rotating the drum, an upper temperature sensor, a lower temperature sensor, and a processor. The upper temperature sensor detects a temperature of a space between the tub and the drum. The upper temperature sensor is disposed inside the tube at an upper portion of the tub. The lower temperature sensor detects a temperature around condensed water at a bottom of the tub. The lower temperature sensor is disposed inside the tub at a lower portion of the tub. The processor can determine a drying ending timing based on the temperatures detected by the upper and lower temperature sensors.Type: GrantFiled: January 9, 2020Date of Patent: July 13, 2021Assignee: LG Electronics Inc.Inventors: Woore Kim, Beomjun Kim, Sangwook Hong
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Publication number: 20210164151Abstract: The present invention relates to a clothes treatment apparatus and, more particularly, to a clothes treatment apparatus for directly heating a drum accommodating clothes. According to an embodiment of the present disclosure, provided is a clothes treatment apparatus comprising: a tub; a drum, made of a metal, which accommodates clothes and is rotatably provided inside the tub; and an induction module, provided in the tub so as to have a spacing from a circumferential surface of the drum, for generating an electromagnetic field to heat the circumferential surface of the drum, wherein the induction module comprises: a coil which is formed by winding a wire such that electric current is applied thereto to generate a magnetic field; and a base housing mounted on an outer circumferential surface of the tub, wherein the base housing is provided with a coil slot for defining the shape of the coil in such a manner that the wire is mounted therein so as to have a predetermined distance between wire and wire.Type: ApplicationFiled: February 8, 2021Publication date: June 3, 2021Inventors: Beomjun KIM, Woore KIM, Bio PARK, Seulgi PARK, Jaehyuk JANG, Sangwook HONG, Changoh KIM, Hyunwoo NOH
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Patent number: 10988890Abstract: A laundry apparatus includes a drum rotatable on a shaft and including at least one predetermined region made of metal; a tub surrounding the drum; an inductor provided on the tub and heating the drum by generating an electromagnetic field; and an air passage duct including a first duct provided as a passage for exhausting air outside the tub, a second duct provided as a passage for sucking air into the tub, and a fan for generating air flow, wherein the air drawn into the tub via the second duct is supplied to an internal space of the drum via a penetrating hole provided in a circumferential surface of the drum by the fan and then exhausted to the first duct after passing through a drum opening provided in a front portion of the drum.Type: GrantFiled: January 13, 2020Date of Patent: April 27, 2021Assignee: LG ELECTRONICS INC.Inventors: Woore Kim, Hyunwoo Noh, Sangwook Hong
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Patent number: 10941511Abstract: The present invention relates to a clothes treatment apparatus and, more particularly, to a clothes treatment apparatus for directly heating a drum accommodating clothes. According to an embodiment of the present disclosure, provided is a clothes treatment apparatus comprising: a tub; a drum, made of a metal, which accommodates clothes and is rotatably provided inside the tub; and an induction module, provided in the tub so as to have a spacing from a circumferential surface of the drum, for generating an electromagnetic field to heat the circumferential surface of the drum, wherein the induction module comprises: a coil which is formed by winding a wire such that electric current is applied thereto to generate a magnetic field; and a base housing mounted on an outer circumferential surface of the tub, wherein the base housing is provided with a coil slot for defining the shape of the coil in such a manner that the wire is mounted therein so as to have a predetermined distance between wire and wire.Type: GrantFiled: August 25, 2017Date of Patent: March 9, 2021Assignee: LG Electronics Inc.Inventors: Beomjun Kim, Woore Kim, Bio Park, Seulgi Park, Jaehyuk Jang, Sangwook Hong, Changoh Kim, Hyunwoo Noh
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Patent number: 10876247Abstract: A laundry treatment apparatus includes: a tub; a drum configured to rotate within the tub and to receive laundry therein; and an induction module provided at an outer surface of the tub and configured to heat the drum via induction using a magnetic field generated by applying current to a coil formed by a wire that is wound within the induction module. The induction module includes a base housing configured to accommodate the coil, the base housing being mounted on the outer surface of the tub. The coil is formed with the wire being wound around within the base housing, and includes a straight portion and a curved portion, with a first radius of curvature of an inner coil portion of the curved portion of the coil being the same as a second radius of curvature of an outer coil portion of the curved portion of the coil.Type: GrantFiled: August 9, 2018Date of Patent: December 29, 2020Assignee: LG Electronics Inc.Inventors: Woore Kim, Hongjun Cho, Sangwook Hong
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Patent number: 10876248Abstract: Disclosed is a laundry treatment apparatus configured to directly heat a drum containing laundry therein using an induction module. The laundry treatment apparatus includes a cabinet, a tub provided in the cabinet, a drum for containing laundry therein, the drum being rotatably provided in the tub and being formed of a metallic material, an induction module provided so as to be spaced apart from the circumferential surface of the drum in order to heat the circumferential surface of the drum using a magnetic field generated by applying current to a coil, a module control unit for controlling the output of the induction module, a cooling path through which the outside of the cabinet, the interior of the module control unit and the interior of the induction module communicate sequentially with each other, and a fan provided in the cooling path. The apparatus is capable of improving efficiency and enhancing safety.Type: GrantFiled: August 9, 2018Date of Patent: December 29, 2020Assignee: LG Electronics Inc.Inventors: Woore Kim, Hongjun Cho, Sangwook Hong
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Publication number: 20200270793Abstract: The present invention relates to a clothing treatment apparatus comprising: a cabinet forming the exterior of the clothing treatment apparatus and provided with a door; a tub including a tub body for accommodating clothing and a tub opening in a front side thereof; a drum rotatably disposed within the tub and including a drum opening in a front side thereof; an air circulation duct including an air inlet communicating with an upper end of the tub opening, an air outlet communicating with the tub body, and a fan generating air flow inside the tub; and a guider that communicates with the air inlet and guides the air to the drum opening.Type: ApplicationFiled: November 17, 2017Publication date: August 27, 2020Inventors: Woore KIM, Sangwook HONG
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Publication number: 20200224350Abstract: An object treating apparatus includes a tub, a rotatable drum for receiving an object, an induction heater for heating an outer circumferential face of the drum, a motor for rotating the drum, an upper temperature sensor, a lower temperature sensor, and a processor. The upper temperature sensor detects a temperature of a space between the tub and the drum. The upper temperature sensor is disposed inside the tube at an upper portion of the tub. The lower temperature sensor detects a temperature around condensed water at a bottom of the tub. The lower temperature sensor is disposed inside the tub at a lower portion of the tub. The processor can determine a drying ending timing based on the temperatures detected by the upper and lower temperature sensors.Type: ApplicationFiled: January 9, 2020Publication date: July 16, 2020Inventors: Woore KIM, Beomjun KIM, Sangwook HONG
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Publication number: 20200217007Abstract: Disclosed are an apparatus for treating laundry with an induction heater and controlling method thereof. In a laundry treating apparatus including an induction heater, the present invention includes a first step of setting a normal dry mode and an abnormal dry mode for controlling the induction heater with a output relatively lower than that of the normal dry mode, a second step of operating the induction heater in the normal dry mode, a third step of determining whether a dry load is a normal load or an abnormal load using at least one of a temperature of a drum and a current of a motor, and a fourth step of if the dry load is determined as the abnormal load, controlling the induction heater in the abnormal dry mode.Type: ApplicationFiled: January 3, 2020Publication date: July 9, 2020Inventors: Woore KIM, Changoh KIM, Sangwook HONG
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Publication number: 20200208327Abstract: Disclosed herein is a laundry machine. More particularly, a laundry machine for generating steam by an induction heater and a control method thereof are disclosed. According to an embodiment of the present disclosure, provided is a method of controlling a laundry machine including a tub, a drum rotatably arranged in the tub to accommodate an object and provided with a through hole on an outer circumferential surface thereof, and an induction heater provided to the tub, and configured to perform a steam operation. The steam operation may include heating a heating surface of the drum facing the induction heater by driving the induction heater, spraying, through a spray nozzle, water toward the heating surface heated in the heating operation, and rotating the drum such that the steam is introduced into the drum through the through hole in a space between the tub and the drum.Type: ApplicationFiled: December 26, 2019Publication date: July 2, 2020Inventors: Sangwook HONG, Woore KIM, Beomjun KIM, Hyunwoo NOH
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Publication number: 20200208321Abstract: Disclosed herein is a laundry machine. More particularly, a laundry machine for generating steam by an induction heater and a control method thereof are disclosed. According to an embodiment, the laundry machine may include a tub, a drum rotatably arranged in the tub to accommodate an object and provided with a through hole on an outer circumferential surface, an induction heater provided to the tub and configured to heat a heating surface of the drum opposing the induction heater on an outer surface of the drum, a motor driven to rotate the drum, a spray nozzle configured to spray water onto the heating surface of the drum opposing and heated by the induction heater to generate steam, and a processor configured to rotate the drum such that the steam is introduced into the drum through the through hole of the drum in a space between the tub and the drum.Type: ApplicationFiled: December 26, 2019Publication date: July 2, 2020Inventors: Sangwook HONG, Woore KIM, Changoh KIM
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Publication number: 20200190727Abstract: Disclosed are an object treating apparatus, and more particularly, an object treating apparatus for heating a drum using an induction heater and a control method thereof. The object treating apparatus includes a tub; a drum rotatably disposed within the tub and accommodating an object therein; an induction heater disposed on the tub and configured to heat an outer circumferential face of the drum contacting the heater; a motor to rotate the drum; and a processor configured to control an operation of the induction heater to dry the object, wherein the processor is configured to control revolution per minute (RPM) of the drum to perform at least three drum motions having at least three different target RPMs respectively when drying the object.Type: ApplicationFiled: December 13, 2019Publication date: June 18, 2020Inventors: Woore KIM, Sangwook HONG
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Publication number: 20200149207Abstract: A laundry apparatus includes a drum rotatable on a shaft and including at least one predetermined region made of metal; a tub surrounding the drum; an inductor provided on the tub and heating the drum by generating an electromagnetic field; and an air passage duct including a first duct provided as a passage for exhausting air outside the tub, a second duct provided as a passage for sucking air into the tub, and a fan for generating air flow, wherein the air drawn into the tub via the second duct is supplied to an internal space of the drum via a penetrating hole provided in a circumferential surface of the drum by the fan and then exhausted to the first duct after passing through a drum opening provided in a front portion of the drum.Type: ApplicationFiled: January 13, 2020Publication date: May 14, 2020Inventors: Woore KIM, Hyunwoo NOH, Sangwook HONG
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Publication number: 20200131690Abstract: Disclosed is a laundry treating apparatus. The present invention includes a cabinet, a tub provided within the cabinet, a drum provided within the tub to receive a treatment target therein, the drum made of metallic material, an induction module provided to the tub to heat the drum by induction, an infrared sensor provided to the tub to measure a temperature of the drum, and a barrel lens connected to the infrared sensor so that thermal radiation radiated from the drum enters the barrel lens, wherein the barrel lens includes a guide portion guiding vertically incident thermal radiation to the infrared sensor only.Type: ApplicationFiled: October 29, 2019Publication date: April 30, 2020Inventors: Woore KIM, Beomjun KIM, Sangwook HONG
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Patent number: 10590588Abstract: A laundry apparatus includes a drum rotatable on a shaft and including at least one predetermined region made of metal; a tub surrounding the drum; an inductor provided on the tub and heating the drum by generating an electromagnetic field; and an air passage duct including a first duct provided as a passage for exhausting air outside the tub, a second duct provided as a passage for sucking air into the tub, and a fan for generating air flow, wherein the air drawn into the tub via the second duct is supplied to an internal space of the drum via a penetrating hole provided in a circumferential surface of the drum by the fan and then exhausted to the first duct after passing through a drum opening provided in a front portion of the drum.Type: GrantFiled: June 30, 2017Date of Patent: March 17, 2020Assignee: LG ELECTRONICS INC.Inventors: Woore Kim, Hyunwoo Noh, Sangwook Hong
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Publication number: 20200048816Abstract: The present invention relates to a laundry care apparatus in which an induction module heats the drum uniformly using a magnetic field to dry laundry or heat wash-water, and center and front and rear regions of the drum are uniformly heated.Type: ApplicationFiled: August 9, 2019Publication date: February 13, 2020Inventors: Beomjun KIM, Sangwook HONG, Woore KIM, Hongjun CHO