Patents by Inventor Hyun Seok Seo
Hyun Seok Seo 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: 7299665Abstract: A drum-type washing machine, having a plurality of lifts installed on an inner circumferential surface of a drum, enables improved washing performance by providing friction plates on the inclined sides of each lift to increase a frictional force between the lift and laundry. Each lift includes a pair of inclined sides, disposed in opposition to each other to form a shape having a regular trapezoidal cross-section, for lifting laundry; and a pair of friction plates, consisting of a pair of opposing surfaces respectively provided on each inclined side and having a multitude of protuberances formed on both faces, to increase a frictional force with respect to the laundry.Type: GrantFiled: March 19, 2004Date of Patent: November 27, 2007Assignee: LG Electronics Inc.Inventors: Jin Woong Kim, Soo Young Oh, Hyun Seok Seo, Tae Hee Lee, Joon Woo Kim, Kyung Chul Woo
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Patent number: 7299515Abstract: A washing machine control method accurately determines an amount of laundry in the washing machine, while driving a motor coupled to a drum under load, based on a computed average of pulse width modulation values at the time of stopping the drive of a motor and the motor's rotational angle as the motor freewheels to a stop, in order to conserve water and reduce the time required for performing a washing step.Type: GrantFiled: December 9, 2003Date of Patent: November 27, 2007Assignee: LG Electronics, Inc.Inventors: Soo Young Oh, Jin Woong Kim, Hyun Seok Seo, Tae Hee Lee, Joon Woo Kim, Kyung Chul Woo
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Patent number: 7251848Abstract: A method for controlling the dehydrating operation of a drum type washing machine includes a pre-acceleration step for accelerating a drum to a predetermined control starting speed, and a main accelerating step for accelerating the drum from the control starting speed to a target speed along a linear locus having a preset acceleration slope. A deviation of the center of gravity of the laundry and a pre-spinning time period are reduced in the aforementioned control method.Type: GrantFiled: December 9, 2004Date of Patent: August 7, 2007Assignee: LG Electronics Inc.Inventors: Jin Woong Kim, Hyun Seok Seo, Tae Hee Lee, Joon Woo Kim, Kyung Chul Woo, Si Moon Jeon, Soo Young Oh
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Publication number: 20070169522Abstract: Disclosed are a method for controlling a driving of a drum type washing machine preventing vibration and noise of a drum, reducing a usage of washing water, and reducing rinse time, and an apparatus thereof. To this end, the drum is rotated with a preset equilibrium speed faster than a speed that vibration of the drum is excessively generated accordingly as a rotation speed of the drum is decreased when a dewatering process of laundry is completed, and washing water is supplied into the drum type washing machine while maintaining the drum as the preset equilibrium speed.Type: ApplicationFiled: March 30, 2007Publication date: July 26, 2007Inventors: Hyun-Seok SEO, Tae-Hee Lee, Ryung-Keol Choi, Sang-Wook Hong
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Patent number: 7246397Abstract: A method for controlling the dehydrating operation of a drum type washing machine includes a pre-acceleration step for accelerating a drum to a predetermined control starting speed, and a main accelerating step for accelerating the drum from the control starting speed to a target speed along a linear locus having a preset acceleration slope. A deviation of the center of gravity of the laundry and a pre-spinning time period are reduced in the aforementioned control method.Type: GrantFiled: April 25, 2003Date of Patent: July 24, 2007Assignee: LG Electronics Inc.Inventors: Jin Woong Kim, Hyun Seok Seo, Tae Hee Lee, Joon Woo Kim, Kyung Chul Woo, Si Moon Jeon, Soo Young Oh
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Patent number: 7188437Abstract: Disclosed herein is a drying unit for washing machines that is capable of fully drying the wet laundry using hot wind. A condensing duct and a drying duct are connected to a tub to circulate air in the tub. Between the drying duct and the condensing duct is disposed a drying fan. To the condensing duct is attached air cooling device for condensing air in the condensing duct by means of cool air. In the drying duct is mounted a drying heater for heating air in the drying duct to change the air into hot wind. During the drying operation of the washing machine, the air passing through the condensing duct is condensed by air, which is an unlimited resource. Consequently, consumption of energy and resources is minimized during the drying operation of the washing machine.Type: GrantFiled: January 18, 2005Date of Patent: March 13, 2007Assignee: LG Electronics Inc.Inventors: Tae Hee Lee, Si Moon Jeon, Hyun Seok Seo
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Publication number: 20070017261Abstract: A drum type washing machine including a tub installed in a cabinet is disclosed. The drum type washing machine includes a drum performing washing, a motor rotating the drum, bearing housings having bearings to support a rotation shaft, a suspension connected to the bearing housings and the cabinet to mitigate vibration generated during rotation of the drum, a bracket installed to the bearing housings to form the rear side of the tub, and a gasket installed between the bracket and the tub to seal the tub and to prevent vibration from being transmitted from the bracket to the tub. Volumes of the tub and the drum can be easily increased without increasing the volume of the cabinet. Even when the volume of the washing machine is changed, only one of the tub and the bearing is housings, which is not applicable to the drum type washing machine having the changed washing capacity, is selectively replaced. Thus parts can commonly used in various drum type washing machine having different volume.Type: ApplicationFiled: September 7, 2006Publication date: January 25, 2007Applicant: LG ELECTRONICS INC.Inventors: Jae Won CHANG, Hee Tae LIM, Si Moon JEON, Kyeong Hwan KIM, Hyun Seok SEO
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Publication number: 20050132599Abstract: A drying method is performed by a washing machine capable of precisely drying laundry and reducing power consumption, and an apparatus thereof. The method comprises: detecting a decrement of a heating value of a heat generating unit of a washing machine during a drying mode; and cutting off power supplied to the heat generating unit when the detected decrement reaches a preset reference decrement.Type: ApplicationFiled: November 23, 2004Publication date: June 23, 2005Applicant: LG Electronics Inc.Inventors: Tae-Hee Lee, Hyun-Seok Seo, Byung-Keol Choi, Byung-Soo Je, Moon-Hee Hong, Si-Moon Jeon
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Publication number: 20050115006Abstract: A method for controlling dewatering of a washing machine includes detecting an initial reference eccentric position of a drum and an initial amount of eccentricity while a drum of a washing machine is rotated at a low speed, detecting a current eccentric position and a current amount of eccentricity of a drum while the drum is rotated at a low speed again after being rotated at a high speed, and controlling dewatering operation based on the detected initial reference eccentric position, the initial amount of eccentricity, the current eccentric position and the current amount of eccentricity.Type: ApplicationFiled: August 12, 2004Publication date: June 2, 2005Applicant: LG Electronics Inc.Inventors: Tae-Hee Lee, Hyun-Seok Seo, Sang-Wook Hong, Byung-Keol Choi, Byung-Soo Je, Moon-Hee Hong, Si-Moon Jeon
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Publication number: 20050116134Abstract: A supporting apparatus for a washing machine including a plurality of supporting legs mounted on a base fixed to a lower portion of a washing machine main body to move in the vertical direction, a foot mounted on the lower end of the supporting leg to contact the support surface, and a spring provided between the base and the foot, for applying an elastic force to the foot. The supporting apparatus for the washing machine automatically controls the level of the washing machine by the elastic force of the spring, and reduces noises and vibrations during the operation of the washing machine.Type: ApplicationFiled: November 18, 2004Publication date: June 2, 2005Applicant: LG Electronics Inc.Inventors: Tae-Hee Lee, Moon-Hee Hong, Hyun-Seok Seo, Sang-Wook Hong, Byung Choi, Byung-Soo Je, Si-Moon Jeon
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Publication number: 20050086743Abstract: A method for controlling the dehydrating operation of a drum type washing machine includes a pre-acceleration step for accelerating a drum to a predetermined control starting speed, and a main accelerating step for accelerating the drum from the control starting speed to a target speed along a linear locus having a preset acceleration slope. A deviation of the center of gravity of the laundry and a pre-spinning time period are reduced in the aforementioned control method.Type: ApplicationFiled: December 9, 2004Publication date: April 28, 2005Inventors: Jin Kim, Hyun Seok Seo, Tae Hee Lee, Joon Woo Kim, Kyung Chul Woo, Si Moon Jeon, Soo Young Oh
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Publication number: 20050028564Abstract: Disclosed is a washing machine provided with a nozzle for spraying washing water into a drum at a broadened angle, thus improving washing efficiency and rinsing efficiency and reducing a quantity of the washing water consumed. The washing machine comprises a tub for containing washing water, a drum rotatably arranged in the tub for accommodating laundry, a motor for rotating the drum, and a washing water-circulating device for circulating the washing water so that the washing water in the tub is sprayed into the drum, wherein the washing water-circulating device includes a nozzle having a vertical water-spraying angle in the range of 30° to 40°.Type: ApplicationFiled: May 26, 2004Publication date: February 10, 2005Inventors: Tae Hee Lee, Byung Keol Choi, Hyun Seok Seo, Sang Wook Hong, Moon Hee Hong, Si Moon Jeon
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Publication number: 20040244433Abstract: Disclosed herein are a wash water-circulating apparatus for washing machines and a method of controlling the same. The wash water-circulating apparatus comprises a circulation channel connected between one side of a tub and the other side of the tub for allowing wash water to circulate therethrough, a pump assembly disposed on the circulation channel for forcibly circulating the wash water, and a water level sensor disposed at the pump assembly or on the circulation channel downstream of the pump assembly for measuring the water pressure of the wash water discharged from the pump assembly. According to the present invention, the minimum amount of the wash water necessary for the pump operation is used when the washing and rinsing processes are carried out, whereby the consumed amount of the wash water is decreased, and the operational reliability of the pump is improved.Type: ApplicationFiled: April 21, 2004Publication date: December 9, 2004Applicant: LG ELECTRONICS INC.Inventors: Tae Hee Lee, Sang Wook Hong, Byung Keol Choi, Hyun Seok Seo, Si Moon Jeon
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Publication number: 20040163427Abstract: The water circulation system of a drum-type washing machine uses one motor to drive both the circulation and drain pumps. The drum-type washing machine includes a motor having a shaft, the motor enabling forward and reverse rotation of the shaft; a circulation pump, installed on the shaft of the motor, for circulating water by a rotational operation of the motor, the circulating pump moving a first fluid from a water circulation inlet to a water circulation outlet by a centrifugal force; and a drain pump, installed on the shaft of the motor, for draining water by a rotational operation of the motor, the drain pump moving a second fluid from a drain inlet to a drain outlet by a frictional force.Type: ApplicationFiled: December 11, 2003Publication date: August 26, 2004Inventors: Soo Young Oh, Hyun Seok Seo, Joon Woo Kim, Kyung Chul Woo, Si Moon Jeon, Jin Woong Kim, Tae Hee Lee
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Publication number: 20040158933Abstract: In a washing method of a drum type washing machine, a large amount of the laundry can be more effectively washed by effectively transmitting a mechanical force to the laundry by repeatedly and forcedly rotating a drum forward (or clockwise) or backward (or counterclockwise) for a short predetermined time. Through continuous rotation of the drum of the drum type washing machine, a falling washing is performed such that the laundry in the drum is washed by falling by a gravity, or a reversing washing is performed such that the laundry is washed by repeatedly rotating the drum forward (or clockwise) or backward (or counterclockwise) for a short predetermined time, thereby improving energy efficiency through economizing a washing time and washing water according to the amount of the laundry, and also preventing a waste of power by driving a heater at a proper time.Type: ApplicationFiled: January 14, 2004Publication date: August 19, 2004Inventors: Hyun-Seok Seo, Byung-Keol Choi, Tae-Hee Lee, Sang-Wook Hong, Si-Moon Jeon
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Publication number: 20040159127Abstract: A drum-type washing machine is provided with water adsorption accelerator at the exiting end of a water circulation pipe. The water adsorption accelerator, which may be realized as an electrical charger or an ultrasonic wave generator, facilitates the adsorption of water in laundry by processing the re-circulated water before its reintroduction to an outer tub via the water circulation pipe. The drum-type washing machine includes a water discharge pump for circulating water; a tub for containing laundry, the circulating water of the water discharge pump being adsorbed in the laundry; a water circulating pipe, in communication with the tub, for re-circulating the water circulated by the water discharge pump; and a water adsorption accelerator, disposed at one end of the water circulation pipe, for facilitating the adsorption of water in the laundry by processing the re-circulated water before reintroduction to the tub via the water circulation pipe.Type: ApplicationFiled: December 2, 2003Publication date: August 19, 2004Inventors: Kyung Chul Woo, Jin Woong Kim, Soo Young Oh, Hyun Seok Seo, Tae Hee Lee, Joon Woo Kim
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Publication number: 20040144135Abstract: A washing machine control method accurately determines an amount of laundry in the washing machine, while driving a motor coupled to a drum under load, based on a computed average of pulse width modulation values at the time of stopping the drive of a motor and the motor's rotational angle as the motor freewheels to a stop, in order to conserve water and reduce the time required for performing a washing step.Type: ApplicationFiled: December 9, 2003Publication date: July 29, 2004Inventors: Soo Young Oh, Jin Woong Kim, Hyun Seok Seo, Tae Hee Lee, Joon Woo Kim, Kyung Chul Woo
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Publication number: 20040139557Abstract: Disclosed are a method for controlling a driving of a drum type washing machine preventing vibration and noise of a drum, reducing a usage of washing water, and reducing rinse time, and an apparatus thereof. To this end, the drum is rotated with a preset equilibrium speed faster than a speed that vibration of the drum is excessively generated accordingly as a rotation speed of the drum is decreased when a dewatering process of laundry is completed, and washing water is supplied into the drum type washing machine while maintaining the drum as the preset equilibrium speed.Type: ApplicationFiled: January 7, 2004Publication date: July 22, 2004Inventors: Hyun-Seok Seo, Tae-Hee Lee, Byung-Keol Choi, Sang-Wook Hong
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Publication number: 20040118168Abstract: A lift of a drum-type washing machine is constructed as a tandem-structure lift, which includes outer and inner lift parts. The outer lift is axially installed on an inner circumferential surface of a rotating drum provided with a multitude of water penetration holes, and the inner lift part is provided with an open bottom and perforations throughout its surfaces and is slidingly installed within the outer lift part. The outer lift part has an open top and an open bottom, with the open bottom facing at least a portion of the water penetration holes. Three such lifts, spaced equidistantly around the drum, are typically provided in a drum-type washing machine. As the drum rotates, the inner lift parts protrude, one by one, through the open top of the corresponding outer lift part, causing laundry to fall a greater distance and allowing washing water to spray through the perforations onto the laundry.Type: ApplicationFiled: September 25, 2003Publication date: June 24, 2004Applicant: LG Electronics Inc.Inventors: Kyung Chul Woo, Jun Woo Kim, Tae Hee Lee, Hyun Seok Seo, Jin Woong Kim, Soo Young Oh
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Publication number: 20040068804Abstract: A method for controlling the dehydrating operation of a drum type washing machine includes a pre-acceleration step for accelerating a drum to a predetermined control starting speed, and a main accelerating step for accelerating the drum from the control starting speed to a target speed along a linear locus having a preset acceleration slope. A deviation of the center of gravity of the laundry and a pre-spinning time period are reduced in the aforementioned control method.Type: ApplicationFiled: April 25, 2003Publication date: April 15, 2004Inventors: Jin Woong Kim, Hyun Seok Seo, Tae Hee Lee, Joon Woo Kim, Kyung Chul Woo, Si Moon Jeon, Soo Young Oh