Patents by Inventor Chul Jin Choi

Chul Jin Choi 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).

  • Patent number: 8695232
    Abstract: A laundry machine, more particularly, a dryer is disclosed. A dryer includes a cabinet, a drum in which a drying object is held, a steam generation device to supply steam to the drum, a water supply device to supply water to the steam generation device in order to generate steam, an additive holding part in which an additive is held, and an additive supply device to supply the additive held in the additive holding part to the drum.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: April 15, 2014
    Assignee: LG Electronics Inc.
    Inventors: Chul Jin Choi, Sang Hun Bae, Yang Hwan Kim, Tae Hee Lee, Min Ji Kim, Ku Young Son
  • Patent number: 8695229
    Abstract: A laundry machine, more particularly, a dryer and a control method of a dryer may be disclosed. A control method of a dryer includes (a) of supplying an additive to a drum in an initial part of a drying cycle for drying a drying object; and (b) of supplying an additive to the drum in a last part of the drying cycle.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: April 15, 2014
    Assignee: LG Electronics Inc.
    Inventors: Chul Jin Choi, Sang Hun Bae, Yang Hwan Kim, Min Ji Kim
  • Patent number: 8650772
    Abstract: 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: Grant
    Filed: October 31, 2007
    Date of Patent: February 18, 2014
    Assignee: LG Electronics Inc.
    Inventors: Chang Woo Son, Sang Hun Bae, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
  • Patent number: 8595955
    Abstract: The present invention relates to a laundry dryer. The laundry dryer has a drum rotatably provided to a cabinet, a hot air heater heating air to supply hot air to the drum, a steam generator selectively supplying steam to the drum, and a water supply source provided to one side of the cabinet. And, the water supply source has an accommodating part for storing water supplied to the steam generator and a water supply means for supplying the water within the accommodating part to the steam generator.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: December 3, 2013
    Assignee: LG Electronics Inc.
    Inventors: Sang Hun Bae, Chul Jin Choi, Dong Hyun Kim, Young Bok Son
  • Patent number: 8567219
    Abstract: 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: Grant
    Filed: September 24, 2008
    Date of Patent: October 29, 2013
    Assignee: 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
  • Patent number: 8566990
    Abstract: A laundry machine and a method of controlling the laundry machine are disclosed. The laundry machine includes a steam generator (300) which generates steam to supply the steam into a drum (130), a water supply line (320) which supplies water into the steam generator (300), a filter (360) installed in the water supply line (320) to filter water, a regenerating unit (382) which regenerates the filter (360), and a controller which controls operations of the steam generator (300) and the regenerating unit (382).
    Type: Grant
    Filed: July 10, 2007
    Date of Patent: October 29, 2013
    Assignee: LG Electronics Inc.
    Inventors: Sang Hun Bae, Jung Wook Moon, Chul Jin Choi, Dong Hyun Kim, Young Bok Son
  • Patent number: 8534097
    Abstract: Disclosed is a clothes treating apparatus with a liquid supply unit. The clothes treating apparatus comprises: a body; a drum accommodated in the body; a steam generator communicated with inside of the drum, and configured to inject steam into the drum; a reservoir configured to store liquid to be supplied to the steam generator, and having an outlet at a bottom surface thereof; a closure having a check valve, and configured to close the outlet; and a reservoir accommodation portion configured to temporarily store the liquid discharged through the check valve, and communicated with the steam generator for flow of the liquid, wherein the check valve is configured to be open only when the reservoir has been mounted to the reservoir accommodation portion.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: September 17, 2013
    Assignee: LG Electronics Inc.
    Inventors: Sang-Hun Bae, Sung-Ho Song, Chul-Jin Choi, Min-Ji Kim
  • Patent number: 8424220
    Abstract: 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: Grant
    Filed: June 11, 2007
    Date of Patent: April 23, 2013
    Assignee: LG Electronics Inc.
    Inventors: Sang Hun Bae, Chang Woo Son, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
  • Patent number: 8413471
    Abstract: A cloth treating apparatus is disclose. The cloth treating apparatus comprises an auxiliary treating apparatus which includes a main body washing or drying clothes; a cabinet provided at one side of the main body; and a drawer slidably provided in the cabinet to form an accommodating space, having a hot air supply device provided in the accommodating space.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: April 9, 2013
    Assignee: LG Electronics Inc.
    Inventors: Dong Joo Han, Chul Jin Choi, Young Bok Son
  • Patent number: 8365438
    Abstract: 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: Grant
    Filed: May 23, 2007
    Date of Patent: February 5, 2013
    Assignee: 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
  • Patent number: 8365333
    Abstract: The present invention relates to a laundry machine and a method for controlling the same, wherein the laundry machine includes a steam generator (300) for generating and supplying steam to a drum (130) and a detergent liquid flow passage (340) for providing a passage to supply detergent liquid to an inside of the steam generator (300), thereby permitting easy washing of the steam generator (300) in the laundry machine.
    Type: Grant
    Filed: July 10, 2007
    Date of Patent: February 5, 2013
    Assignee: LG Electronics Inc.
    Inventors: Sang Hun Bae, Jung Wook Moon, Chul Jin Choi, Dong Hyun Kim, Young Bok Son
  • Publication number: 20120234136
    Abstract: This invention relates to Mn—Al magnetic powders of a high coercive force which are obtained from Mn—Al alloy vaporized by plasma arc discharging, and a manufacturing method thereof. The Mn—Al magnetic powders are produced by discharging a plasma arc to a compact which is formed by compacting a blend containing 20-60% by weight of Mn powder and 40-80% by weight of Al powder, collecting nanoscale Mn—Al particles after cooling the vaporized blend, and heat-treating the particles. According to the present invention, the Mn—Al magnetic powders of light weight and enhanced corrosion resistance are produced at a low cost.
    Type: Application
    Filed: November 10, 2009
    Publication date: September 20, 2012
    Applicant: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Jung-Goo Lee, Chul-Jin Choi
  • Patent number: 8250777
    Abstract: A water supply device for a drying machine and a method for controlling the same are disclosed. The water supply device includes a common hose having one end connected to at least one water supply source, a drying machine water supply hose having one end connected to the common hose and the other end connected to a steam generator of the drying machine, and a washing machine water supply hose having one end connected to the common hose and the other end connected to a washing machine. With the provision of the water supply device, the drying machine has the effects of preventing wrinkles, creases, or the like from being generated in an object to be dried, such as clothes, and the like, or eliminating wrinkles, creases, or the like in clothes, and the like.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: August 28, 2012
    Assignee: LG Electronics Inc.
    Inventors: Young Soo Kim, Dae Bong Yang, Chul Jin Choi, Jung Yoo, Jae Hyuk Wi
  • Patent number: 8176656
    Abstract: The present invention relates to a laundry dryer having an improved structure, which can remove wrinkles of laundry during a drying cycle after washing. A dryer includes a cabinet in which various parts are installed; a drum rotatably mounted in the cabinet, the drum holding laundry therein; a heater that heats air to supply hot air to the drum; a steam generator that generates steam to supply the steam to the drum; a water container that has an outlet to supply water to the steam generator; a water supply path provided between the steam generator and the water container; and a contact prevention part that prevents the remaining water of the water container or the water supply path from contacting with the various parts provided in the cabinet, wherein the remaining water is the water remaining in the water container or the water supply path when the water container is detached from the water supply path.
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: May 15, 2012
    Assignee: LG Electronics Inc.
    Inventors: Sang Hun Bae, Jung Wook Moon, Chul Jin Choi, Dong Hyun Kim, Young Bok Son
  • Publication number: 20110252837
    Abstract: Disclosed is a clothes treating apparatus with a liquid supply unit. The clothes treating apparatus comprises: a body; a drum accommodated in the body; a steam generator communicated with inside of the drum, and configured to inject steam into the drum; a reservoir configured to store liquid to be supplied to the steam generator, and having an outlet at a bottom surface thereof; a closure having a check valve, and configured to close the outlet; and a reservoir accommodation portion configured to temporarily store the liquid discharged through the check valve, and communicated with the steam generator for flow of the liquid, wherein the check valve is configured to be open only when the reservoir has been mounted to the reservoir accommodation portion.
    Type: Application
    Filed: December 23, 2009
    Publication date: October 20, 2011
    Inventors: Sang-Hun Bae, Chul-Ho Song, Chul-Jin Choi, Min-Ji Kim
  • Publication number: 20110239480
    Abstract: A laundry machine, more particularly, a dryer is disclosed. A dryer includes a cabinet, a drum in which a drying object is held, a steam generation device to supply steam to the drum, a water supply device to supply water to the steam generation device in order to generate steam, an additive holding part in which an additive is held, and an additive supply device to supply the additive held in the additive holding part to the drum.
    Type: Application
    Filed: June 10, 2011
    Publication date: October 6, 2011
    Applicant: LG ELECTRONICS INC.
    Inventors: Chul Jin CHOI, Sang Hun BAE, Yang Hwan KIM, Tae Hee LEE, Min Ji KIM, Ku Young SON
  • Patent number: 7997006
    Abstract: 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: Grant
    Filed: October 31, 2007
    Date of Patent: August 16, 2011
    Assignee: LG Electronics Inc.
    Inventors: Chang Woo Son, Sang Hun Bae, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
  • Patent number: 7987616
    Abstract: 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: Grant
    Filed: October 31, 2007
    Date of Patent: August 2, 2011
    Assignee: LG Electronics Inc.
    Inventors: Sang Hun Bae, Chang Woo Son, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
  • Patent number: 7980101
    Abstract: 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: Grant
    Filed: October 31, 2007
    Date of Patent: July 19, 2011
    Assignee: LG Electronics Inc.
    Inventors: Chang Woo Son, Sang Hun Bae, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
  • Publication number: 20110138648
    Abstract: 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: Application
    Filed: February 10, 2011
    Publication date: June 16, 2011
    Inventors: Chang Woo SON, Sang Hun Bae, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim