Patents by Inventor Oh-Chul Kwon
Oh-Chul Kwon 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: 8281610Abstract: An ice-making device for a refrigerator includes an ice maker for making ice, which is provided on a backside of a door of the refrigerator; and an ice maker cover for selectively opening or closing the ice maker. Fixing recesses are formed to be open downwardly on outsides of both sides of the ice maker cover, and receive fixing protrusions provided at corresponding positions on opposite sides of a pair of support steps that protrude rearward from both side ends of the backside of the door by a predetermined length and are formed to be elongated in an up and down direction. Play prevention steps are provided at lower ends of both sides of the ice maker cover and are seated on play prevention ribs provided to be elongated in a horizontal direction at corresponding positions of the opposite sides of the support steps below the fixing protrusions.Type: GrantFiled: April 18, 2007Date of Patent: October 9, 2012Assignee: LG Electronics Inc.Inventors: Myung-Soo Kim, Yoon-Min Park, Oh-Chul Kwon, Jong-Gon Kim, Bon-Young Koo, Young-Hoon Gwak, Hyeon-Po Cho
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Patent number: 8234880Abstract: A refrigerator includes a main body having a storage space and a door selectively opening or closing the storage space. The ice-making device includes an ice maker installed on a backside of the door for making ice; a cold air duct provided in one side of the storage space and supplying the ice maker with a portion of cold air supplied to the storage space; an ice maker cover detachably installed on the backside of the door to selectively open or close the ice maker; and an ice bank detachably installed on the backside of the door below the ice maker, the ice bank storing ice made in the ice maker and transferring it to a dispenser provided on the door.Type: GrantFiled: March 23, 2007Date of Patent: August 7, 2012Assignee: LG Electronics Inc.Inventors: Myung-Soo Kim, Yoo-Min Park, Oh-Chul Kwon, Jong-Gon Kim, Bon-Young Koo, Young-Hoon Gwak, Hyeon-Po Cho
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Patent number: 8226182Abstract: Disclosed related to a refrigerator according to the present invention capable of preventing the drooping of bin when the bin is pulled out of the storage space. Further, the refrigerator does not need to fit guide device when users push the bin into the storage space, since the bin is completely separated from the guide device.Type: GrantFiled: April 13, 2007Date of Patent: July 24, 2012Assignee: LG Electronics Inc.Inventors: Yoo-Min Park, Jong-Gon Kim, Young-Hoon Gwak, Bon-Young Koo, Myung-Soo Kim, Hyeon-Po Cho, Oh-Chul Kwon
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Patent number: 8167390Abstract: A shelf assembly mounting structure for a refrigerator includes stoppers respectively provided on both sides of a shelf assembly, a plurality of supporting ribs respectively provided on both side surfaces of a storage space, the supporting ribs being formed to extend in a fore and aft direction of the storage space to support a bottom surface of the shelf assembly; and a plurality of guide slots respectively provided in upper surfaces of the supporting ribs, the stopper sliding in the guide slot in a state where the stopper is positioned therein when the shelf assembly is moved in the fore and aft direction of the storage space. The stopper is moved in the fore and aft direction along the guide slot and brought into contact with front and rear ends of the guide slot, whereby a moving distance of the shelf assembly is restricted.Type: GrantFiled: December 29, 2006Date of Patent: May 1, 2012Assignee: LG Electronics Inc.Inventors: Bon-Young Koo, Jong-Gon Kim, Oh-Chul Kwon, Yoo-Min Park, Myung-Soo Kim, Young-Hoon Gwak, Hyeon-Po Cho
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Publication number: 20110296689Abstract: A method of assembling a refrigerator including providing a main body having a storage chamber, providing a door having a door liner on one side of the door, providing a seating member, providing an ice maker for making ice, attaching the ice maker to the seating member, attaching the seating member to the door liner, providing an ice bank for storing ice, attaching the ice bank to the seating member below the ice maker, and rotatably attaching the door to the main body.Type: ApplicationFiled: August 12, 2011Publication date: December 8, 2011Inventors: Myung-Soo KIM, Yoo-Min PARK, Oh-Chul KWON, Jong-Gon KIM, Bon-Young KOO, Young-Hoon GWAK, Hyeon-Po CHO
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Publication number: 20110296864Abstract: A refrigerator includes a main body having a storage chamber, a door provided to the main body, including an outer door and a door liner. The door liner includes support steps, a liner plate, and a seating step that define an installation space. An ice maker is located at least partially in the installation space. A cold air duct is provided in one side of the storage chamber to supply the ice maker with cold air. An ice maker cover is provided having a cold air inlet on a top portion thereof and a viewing window on a lower portion thereof. The viewing window allows the ice maker to be seen from outside of the ice maker cover. An ice bank is removably located below the ice maker to transfer ice received from the ice maker to a dispenser.Type: ApplicationFiled: August 12, 2011Publication date: December 8, 2011Inventors: Myung-Soo KIM, Yoo-Min Park, Oh-Chul Kwon, Jong-Gon Kim, Bon-Young Koo, Young-Hoon Gwak, Hyeon-Po Cho
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Publication number: 20110023523Abstract: An icemaker in a refrigerator is disclosed, by which heat generated from a heater to detach ice is prevented from being transferred to an inside of the refrigerator. The present invention includes an icemaker body provided to a prescribed position of the refrigerator to make to ice from a supplied water, a heater provided to the icemaker body to generate heat to facilitate detachment of the made ice, and a heater shielding unit provided to prevent the heat generated from the heater from being supplied to an inside of the refrigerator.Type: ApplicationFiled: October 7, 2010Publication date: February 3, 2011Applicant: LG ELECTRONICS INC.Inventors: Jong Gon KIM, Oh Chul KWON, You Min PARK, Young Hoon GWAK, Hyeon Po CHO, Bon Young KOO, Myung Soo KIM
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Patent number: 7836720Abstract: Disclosed related to a door for a refrigerator may include an outer door forming the front exterior; a cap decoration formed at the upper and lower sides of the outer door; a water pipe drawn into the door through the cap decoration and through which water flows; and a fixing member on which a depression part fixing the water pipe is formed.Type: GrantFiled: May 9, 2007Date of Patent: November 23, 2010Assignee: LG Electronics Inc.Inventors: Hyeon Po Cho, Jong Gon Kim, Oh Chul Kwon, Bon Young Koo, Myung Soo Kim, Yoo Min Park, Young Hoon Gwak
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Patent number: 7823408Abstract: An icemaker in a refrigerator is disclosed, by which heat generated from a heater to detach ice is prevented from being transferred to an inside of the refrigerator. The present invention includes an icemaker body provided to a prescribed position of the refrigerator to make to ice from a supplied water, a heater provided to the icemaker body to generate heat to facilitate detachment of the made ice, and a heater shielding unit provided to prevent the heat generated from the heater from being supplied to an inside of the refrigerator.Type: GrantFiled: May 11, 2007Date of Patent: November 2, 2010Assignee: LG Electronics Inc.Inventors: Jong Gon Kim, Oh Chul Kwon, You Min Park, Young Hoon Gwak, Hyeon Po Cho, Bon Young Koo, Myung Soo Kim
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Patent number: 7782994Abstract: This invention relates to an inhibitor of lead-induced stress corrosion cracking including nickel boride in the secondary side of steam generator tubes in nuclear power plants and an inhibition method using the same, and more particularly, to an inhibitor of lead-induced stress corrosion cracking, in which nickel boride is added to secondary side cooling water of the steam generator in an amount of 0.2˜6 g/l, and to an inhibition method using the same. According to this invention, when the inhibitor of lead-induced stress corrosion cracking is added to the secondary side of the steam generator tube in nuclear power plants, stress corrosion cracking of the tubes, which occurs in the lead-containing neutral or caustic solution, and a crack growth rate are decreased, thus increasing elongation. Further, a stress corrosion cracking ratio is decreased, and therefore the stress corrosion cracking resistance of metal or alloy can be improved.Type: GrantFiled: March 23, 2007Date of Patent: August 24, 2010Assignees: Korea Atomic Energy Research Institute, Korea Hydro & Nuclear Power Co. Ltd.Inventors: Oh-Chul Kwon, Yong-Sun Yi, Hong-Pyo Kim, Joung-Soo Kim
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Publication number: 20090309472Abstract: Disclosed related to a refrigerator according to the present invention capable of preventing the drooping of bin when the bin is pulled out of the storage space. Further, the refrigerator does not need to fit guide device when users push the bin into the storage space, since the bin is completely separated from the guide device.Type: ApplicationFiled: April 13, 2007Publication date: December 17, 2009Applicant: LG Electronics Inc.Inventors: Yoo-Min Park, Jong-Gon Kim, Young-Hoon Gwak, Bon-Young Koo, Myung-Soo Kim, Hyeon-Po Cho, Oh-Chul Kwon
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Patent number: 7603869Abstract: The present invention relates to a refrigerator having a dispenser. In the present invention, the dispenser is provided in a concave portion of a door to be exposed toward a front surface of the door. A water tank is installed between a rear surface of the dispenser and a door liner defining a rear surface of the door. The water tank stores the water delivered from an external water supply source while the water in maintained at a relatively low temperature and then discharges the water to the outside through the dispenser. Furthermore, in the present invention, a nozzle, through which the water is discharged from the water tank, is directly connected to a drainpipe of the dispenser, so that users may always take out the water maintained at a constant temperature.Type: GrantFiled: November 26, 2004Date of Patent: October 20, 2009Assignee: LG Electronics Inc.Inventors: Seong-Ook Kim, Ill-Shin Kim, Si-Yeon An, Dong-Yeol Yoo, Oh-Chul Kwon, Bum-Sik Lee, Joo-Won Park
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Publication number: 20090206717Abstract: The present invention relates to a shelf assembly mounting structure for a refrigerator and a refrigerator comprising the same.Type: ApplicationFiled: December 29, 2006Publication date: August 20, 2009Inventors: Bon-Young Koo, Jong-Gon Kim, Oh-Chul Kwon, Yoo-Min Park, Myung-Soo Kim, Young-Hoon Gwak, Hyeon-Po Cho
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Publication number: 20090173098Abstract: The present invention relates to an ice-making device for a refrigerator. The present invention provides an ice-making device for a refrigerator including a main body having a storage space and a door selectively opening or closing the storage space. The ice-making device comprises an ice maker installed on a backside of the door and making ice; a cold air duct provided in one side of the storage space and supplying the ice maker with a portion of cold air supplied to the storage space; an ice maker cover detachably installed on the backside of the door to selectively open or close the ice maker; and an ice bank detachably installed on the backside of the door below the ice maker, the ice bank storing ice made in the ice maker and transferring it to a dispenser provided on the door. According to the present invention, there is an advantageous in that a storage capacity of a refrigerator can be used to the full extent, and smell of food can be prevented from permeating ice in a process of making ice.Type: ApplicationFiled: March 23, 2007Publication date: July 9, 2009Inventors: Myung-Soo Kim, Yoo-Min Park, Oh-Chul Kwon, Jong-Gon Kim, Bon-Young Koo, Young-Hoon Gwak, Hyeon-Po Cho
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Publication number: 20090064703Abstract: The present invention relates to an ice-making device for a refrigerator. An ice-making device for a refrigerator according to the present invention comprises an ice maker 161 for making ice, which is provided on a backside of a door 131 of the refrigerator; and an ice maker cover 171 for selectively opening or closing the ice maker 161. Fixing recesses 173 are formed to be open downwardly on outsides of both sides of the ice maker cover 171, and receive fixing protrusions 135a provided at corresponding positions on opposite sides of a pair of support steps 135 that protrude rearward from both side ends of the backside of the door 131 by a predetermined length and are formed to be elongated in an up and down direction.Type: ApplicationFiled: April 18, 2007Publication date: March 12, 2009Applicant: LG ELECTRONICS INC.Inventors: Myung-Soo Kim, Yoon-Min Park, Oh-Chul Kwon, Jong-Gon Kim, Bon-Young Koo, Young-Hoon Gwak, Hyeon-Po Cho
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Patent number: 7472552Abstract: The present invention relates to an ice maker having a fan assembly. The ice maker 30 of the present invention comprises a main body 40 and a fan assembly 60 mounted to the main body 40 by means of resilient mounting hooks. A housing 62 defines an external appearance of the fan assembly 60, and comprises first and second housing portions 62a and 62b. The first and second housing portions 62a and 62b are provided with concavo-convex coupling portions 63 and 63? at positions corresponding to each other so that the housing portions can be provisionally assembled by coupling the concavo-convex coupling portions to each other. The interiors of the first and second housing 62a and 62b are partitioned by partition plates 64 to define a cold air flow passage 64f, and a discharge duct 66 is formed integrally to communicate with the cold air flow passage 64f.Type: GrantFiled: December 20, 2006Date of Patent: January 6, 2009Assignee: LG Electronics Inc.Inventors: Si-Yoen An, Bom-Sik Lee, Oh-Chul Kwon, Ill-Shin Kim
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Publication number: 20080258597Abstract: The present invention relates to a water-filter mounting structure for a refrigerator. A water-filter mounting structure for a refrigerator according to the present invention comprises a filter receiving section provided below a dispenser that is mounted at a door for selectively opening and closing a storage space and discharges water or ice to the outside; and a water filter mounted in the filter receiving section to purify water supplied from a water supplying source. According to the present invention, there are advantages in that it is possible to minimize reduction in a storage capacity, loss in cold air and damage to the water filter and to improve product compatibility.Type: ApplicationFiled: September 4, 2006Publication date: October 23, 2008Inventors: Oh-Chul Kwon, Jun-Heon Kim
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Publication number: 20080093584Abstract: This invention relates to an inhibitor of lead-induced stress corrosion cracking including nickel boride in the secondary side of steam generator tubes in nuclear power plants and an inhibition method using the same, and more particularly, to an inhibitor of lead-induced stress corrosion cracking, in which nickel boride is added to secondary side cooling water of the steam generator in an amount of 0.2˜6 g/l, and to an inhibition method using the same. According to this invention, when the inhibitor of lead-induced stress corrosion cracking is added to the secondary side of the steam generator tube in nuclear power plants, stress corrosion cracking of the tubes, which occurs in the lead-containing neutral or caustic solution, and a crack growth rate are decreased, thus increasing elongation. Further, a stress corrosion cracking ratio is decreased, and therefore the stress corrosion cracking resistance of metal or alloy can be improved.Type: ApplicationFiled: March 23, 2007Publication date: April 24, 2008Inventors: Oh-Chul Kwon, Yong-Sun Yi, Hong-Pyo Kim, Joung-Soo Kim
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Publication number: 20070261426Abstract: Disclosed related to a door for a refrigerator may include an outer door forming the front exterior; a cap decoration formed at the upper and lower sides of the outer door; a water pipe drawn into the door through the cap decoration and through which water flows; and a fixing member on which a depression part fixing the water pipe is formed.Type: ApplicationFiled: May 9, 2007Publication date: November 15, 2007Inventors: Hyoon Po Cho, Jung Gon Kim, Oh Chul Kwon, Bon Young Koo, Myung Son Kim, Yoo Mun Park, Young I Icon Gwak
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Patent number: 7294061Abstract: A billiard cue less bendable than a standard wood cue, which is manufactured by dividing a square lumber (20), sawed from a wood material (10), into a central member (21), having a cross-shaped section in which longitudinal sides thereof are perpendicular to transverse sides lines thereof and end terminals thereof contact edges of the square lumber (20), and peripheral members (22, 23, 24, and 25) cut off from the central member, and the peripheral members (22, 23, 24, and 25) are then bonded to the central member (21) so that the direction of the annual rings of the peripheral members (22, 23, 24, and 25) is opposite to the direction of the annual rings of the central member (21), thereby offsetting stress applied to the central member (21) due to the orientation of the annual rings of the original square lumber (20), and applied to the peripheral members (22, 23, 24, and 25), and allowing maintaining its straight state without deformation.Type: GrantFiled: June 25, 2004Date of Patent: November 13, 2007Inventor: Oh Chul Kwon