Patents by Inventor Chang-Woo Son
Chang-Woo Son 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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Publication number: 20140311189Abstract: A washing machine of the present invention comprises: a casing; a tub disposed inside the casing, for accommodating water; a drum rotatably provided inside the tub, for accommodating laundry therein; a gasket interposed between the casing and the tub, for preventing the water inside the tub from leaking between the tub and the casing; a gasket nozzle provided at the gasket, for circulating the water and spraying into the drum; a spiral nozzle provided at the gasket, for converting the water into a spiral flow and spraying into the drum; and a turbo wash button for setting or canceling a turbo wash for spraying water through the gasket nozzle when the drum is rotated or for spraying water through the spiral nozzle when the drum is rotated.Type: ApplicationFiled: January 16, 2012Publication date: October 23, 2014Applicant: LG Electronics Inc.Inventors: Myong Hun Im, Sung Min Lee, Chang Woo Son, Sang Hee Yoo
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Patent number: 8739579Abstract: A ball balancer and a laundry apparatus having the same are disclosed. A ball balancer includes a circular housing having motion space formed therein, at least two partition members spaced apart a predetermined distance along the motion space of the housing, the partition members partitioning the motion space into at least two spaces, a plurality of ball members movable within the partitioned spaces of the motion space, and viscous fluid filled in the motion space. Such the ball balancer may reduce noise and vibration of the laundry apparatus having the same.Type: GrantFiled: August 5, 2009Date of Patent: June 3, 2014Assignee: LG Electronics Inc.Inventors: Chang Woo Son, Min Gu Kang
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Patent number: 8683711Abstract: A housing for modularizing a heat pump system of a clothes dryer and a clothes dryer having the same are disclosed. The heat pump system modularized housing of the clothes collectively modularizes a condenser, a compressor, an evaporator and an expansion valve that constitute the heat pump system of the clothes dryer. Not only does the heat pump system is stably mounted in the clothes dryer but also components of the heat pump system can be effectively protected. In addition, the fastening procedures of each component can be unified to simplify an assembling process of the clothes dryer, and thus, the productivity can be improved. Moreover, a structure of an internal flow path of the clothes dryer can be simplified to thus improve efficiency of the heat pump system.Type: GrantFiled: December 12, 2006Date of Patent: April 1, 2014Assignee: LG Electronics Inc.Inventors: Dong-Joo Han, Jung-Wook Moon, Seung-Phyo Ahn, Hyun-Uk Lee, Byeong-Jo Ryoo, Chang-Woo Son
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Patent number: 8650772Abstract: The present invention relates to a laundry machine that can prevent as well as remove wrinkles of laundry. A laundry machine includes a drum rotatable in a cabinet; a hot air heater to supply hot air to the drum by heating air; a steam generator to supply steam to the drum; a sensor to sense a laundry amount inside the drum; and a controller to control an amount of steam supplied to the drum based on sensing results of the sensor. In another aspect of the present invention, a controlling method of a laundry machine includes sensing a laundry amount inside a drum and drying the laundry by supplying hot air to the drum. In the drying of the laundry by supplying hot air to the drum, an amount of hot air is adjusted based on the laundry amount sensed in the sensing of the laundry amount inside the drum.Type: GrantFiled: October 31, 2007Date of Patent: February 18, 2014Assignee: LG Electronics Inc.Inventors: Chang Woo Son, Sang Hun Bae, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
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Publication number: 20140033449Abstract: A method for washing of the present invention comprises: a water supply step of supplying water into a tub; a motor actuating step of actuating the motor for rotating a drum provided inside the tub; and a spray step of spraying water into the drum through a gasket nozzle by actuating a pump for circulating the water inside the tub, when the motor stops.Type: ApplicationFiled: January 16, 2012Publication date: February 6, 2014Applicant: LG ELECTRONICS INC.Inventors: Myong Hun Im, Won Hyuk Jang, Chang Woo Son, Kwang Hyun Kim
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Patent number: 8567219Abstract: The present invention relates to a washing machine, and the washing machine includes a drum rotatably installed in a cabinet, an air heater for heating air, to supply hot air to the drum, a steam generator for generating steam, and supply the steam to the drum, and a water supply unit including a nozzle for spraying the steam generated by the steam generator to an interior of the drum, and a nozzle holder having a coupler at a rear surface of the nozzle holder, to separably mount the nozzle at a position adjacent to the drum.Type: GrantFiled: September 24, 2008Date of Patent: October 29, 2013Assignee: LG Electronics Inc.Inventors: Yeon Sik Choi, Chang Woo Son, Dong Geun Lee, Dong Hyun Kim, Heung Jae Kim, Ju Han Yoon, Young Bok Son, Sang Hun Bae, Chul Jin Choi
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Patent number: 8424220Abstract: A dryer and a method for controlling the same are provided. The method for controlling a dryer includes supplying steam generated in a steam generator to a drum, and supplying hot air generated in a hot air heater to the drum. The method has an advantageous effect of removing wrinkles efficiently.Type: GrantFiled: June 11, 2007Date of Patent: April 23, 2013Assignee: LG Electronics Inc.Inventors: Sang Hun Bae, Chang Woo Son, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
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Patent number: 8365438Abstract: The present invention relates to a dryer and a method for controlling the same. The dryer includes a selectably rotatable drum (20), a hot air heater (90) for heating air to supply hot air to the drum (20), a steam generator (200) for generating steam to supply the steam to the drum (20), and a water supply source (220) for supplying water to the steam generator, thereby removing wrinkles from clothes, effectively.Type: GrantFiled: May 23, 2007Date of Patent: February 5, 2013Assignee: LG Electronics Inc.Inventors: Chul Jin Choi, Chang Woo Son, Sang Hun Bae, Jea Hyuk Wee, Young Bok Son, Young Soo Kim, Dong Hyun Kim, Chong Ryu, Dae Bong Yang
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Patent number: 8312642Abstract: A laundry machine having a steam generator is disclosed. A heater is controlled, such that steam generation coincides with a predetermined time period, whereby the steam supply time is enabled to be controlled with relative accuracy. If an error occurs when water is being supplied to the steam generator, then an error message is displayed such that a user may be informed of the error. If a predetermined time period has elapsed, then a pump is stopped to prevent an excessive amount of water from being supplied to the steam generator.Type: GrantFiled: June 2, 2008Date of Patent: November 20, 2012Assignee: LG Electronics Inc.Inventors: Sang Hun Bae, Chang Woo Son, Ju Han Yoon
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Patent number: 8151603Abstract: A door for a washing machine is disclosed. A door for a washing machine includes an inner frame having an opening with a predetermined size, an outer frame provided at a front surface of the inner frame, having an opening in communication with the opening of the inner frame, a glass member fitted between the inner and outer frames, covering the openings of the inner and outer frames, a decorative member provided at a front surface of the outer frame, having an opening in communication with the openings, and a front cover fitted between the decorative member and the outer frame, covering the openings of the inner and outer frames and the decorative member, the front cover having a positioning portion determining a position of the front cover coupled to the outer frame.Type: GrantFiled: April 10, 2009Date of Patent: April 10, 2012Assignee: LG Electronics Inc.Inventors: Min-Gu Kang, Kyu-Chul Lee, Chang-Woo Son
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Patent number: 8136264Abstract: An automatic dry control method is disclosed, enabling exact drying by stabilizing a detection value of a temperature sensor and performing an additional drying according to a first dryness achieving point at an automatic drying washer and a drum type dryer that determines dryness by using the temperature sensor.Type: GrantFiled: August 18, 2004Date of Patent: March 20, 2012Assignee: LG Electronics Inc.Inventors: Sun Cheol Bae, Dae Woong Kim, Chang Woo Son
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Patent number: 8123312Abstract: A door assembly includes a hook hole, a door having a hook shaft to be placed in the hook hole, and a holder between the hook hole and the hook shaft for maintaining the door to be in a state the door is opened by a predetermined gap, wherein the holder includes a first holder to be engaged with the door and a second holder to be engaged with hook hole, wherein the second holder includes a hook member for placing in, and holding the hook hole. The assembly, for example, prevents a tub of a washing machine from being enclosed when the washing machine is not in operation.Type: GrantFiled: January 15, 2009Date of Patent: February 28, 2012Assignee: LG Electronics Inc.Inventors: Yong Min Jeon, Han Ki Cho, Chang Woo Son
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Patent number: 8074475Abstract: A heater apparatus of a washing machine is presented. The presented heater apparatus of a washing machine is comprising; a tub (190); a heater joint unit formed on the tub (190); a heater (200) arranged on the heater joint unit; and a heater joint member (300) being able to offset the pressure inflicted to the heater joint unit by the arrangement of the heater (200) as pressurizes the heater joint unit.Type: GrantFiled: June 2, 2006Date of Patent: December 13, 2011Assignee: LG Electronics Inc.Inventors: Jae-Cheol Lyu, Dong-Yoon Kim, Sang-Gyu Lim, Jong-Sun Yoon, Chang-Woo Son
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Patent number: 8049124Abstract: Disclosed are a button for a control panel assembly and a clothes handling apparatus having the same. In a control panel assembly comprising a control panel having button holes to mount a plurality of buttons and a display window, at least one of the buttons comprises a pressing portion having an optical diffusion portion for diffusing light occurring from a light source disposed at a back of the buttons; a mounting portion for fixing the buttons to a back of the control panel; and a supporting portion for connecting the pressing portion and the mounting portion to each other, and providing an elastic force to the pressing portion. According to this configuration, a larger amount of light occurring from the light source is emitted to a front of the buttons, and a user's convenience is enhanced.Type: GrantFiled: September 2, 2008Date of Patent: November 1, 2011Assignee: LG Electronics Inc.Inventors: Ho-Sung Jang, Chang-Woo Son, Gil-Yong Lee, Yong-Min Jeon, Han-Ki Cho
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Patent number: 8016444Abstract: A washing machine and a method for controlling the same are provided. The washing machine includes a cabinet having a door on a front thereof, a tub in the cabinet that holds washing water, a drum rotatably mounted in the tub, a gasket mounted to connect openings of the door and the tub, and a lamp device having light emitting devices (LEDs) mounted on the gasket providing light an inside the washing machine. The method for controlling the washing machine includes turning on the LEDs providing light to the inside of the washing machine upon receiving an order of turning on a lighting through an LED input device, and turning off the LEDs upon receiving an order of turning off the lighting through the LED input device after the turning on the LEDs.Type: GrantFiled: July 28, 2006Date of Patent: September 13, 2011Assignee: LG Electronics Inc.Inventors: Han Ki Cho, Deok Joon Jeong, Chang Woo Son
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Patent number: 7997006Abstract: The present invention relates to a laundry machine and a control method thereof. The control method includes supplying steam, generated by a steam generator, into a drum, and supplying hot air into the drum to dry clothes wetted by the steam. According to the present invention, it is possible to effectively removing wrinkles on clothes.Type: GrantFiled: October 31, 2007Date of Patent: August 16, 2011Assignee: LG Electronics Inc.Inventors: Chang Woo Son, Sang Hun Bae, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
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Patent number: 7987616Abstract: The present invention relates to a laundry machine. The laundry machine includes a drum rotatably mounted in a cabinet, a hot air heater to heat air and supply hot air into the drum, a steam generator to supply steam into the drum, a water supply source detachably mounted in the cabinet to supply water into the steam generator, and a water leakage preventing unit to prevent water leakage when the water supply source is detachably mounted.Type: GrantFiled: October 31, 2007Date of Patent: August 2, 2011Assignee: LG Electronics Inc.Inventors: Sang Hun Bae, Chang Woo Son, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
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Patent number: 7980101Abstract: A laundry machine including a selectively rotatable drum, a pump for supplying water to a steam generator, and a controller for determining if the pump is out of order. This determination is made by monitoring either a time period required for supplying water to a preset water level of the steam generator or electric current drawn by the pump.Type: GrantFiled: October 31, 2007Date of Patent: July 19, 2011Assignee: LG Electronics Inc.Inventors: Chang Woo Son, Sang Hun Bae, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
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Patent number: 7975338Abstract: An automatic drying method is provided for a drum type washing machine and dryer having an upper temperature sensors A1 and a lower temperature sensor A2 mounted at upper and lower portions of an inside of a duct that is an air circulating passage for drying laundry respectively, for performing a drying cycle by using a difference of temperatures sensed at the upper temperature sensor A1 and the lower temperature sensor A2, respectively.Type: GrantFiled: May 13, 2009Date of Patent: July 12, 2011Assignee: LG Electronics Inc.Inventors: Seung Myun Baek, Sun Cheol Bae, Chang Woo Son, Dae Woong Kim
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Publication number: 20110138648Abstract: Method for controlling a dryer having a steam generator for generating high temperature steam with heat generation of a steam heater, including a hot air supply step for supplying dried hot air to a drum for drying clothes, and a moisture supply step for supplying moisture to the drum for removing static electricity from the clothes dried in the hot air supply step.Type: ApplicationFiled: February 10, 2011Publication date: June 16, 2011Inventors: Chang Woo SON, Sang Hun Bae, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim