Patents by Inventor Yunsub Jung
Yunsub Jung 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: 8708172Abstract: A crane for loading and unloading a cargo includes multi-stage trolley. The multi-stage trolley for a crane includes a first trolley movable in a longitudinal direction along a boom of the crane; a second trolley movable in a lateral direction on the first trolley; a hoisting wire provided in the longitudinal direction along the boom; a spreader connected to the hoisting wire through the first trolley and the second trolley and supported by the hoisting wire, the spreader being movable in a vertical direction according to a movement of the hoisting wire. The multi-stage trolley further includes a sheave block unit for changing a direction of the hoisting wire to maintain a vertical level of the spreader constant when the first trolley and/or the second trolley is moved.Type: GrantFiled: December 16, 2010Date of Patent: April 29, 2014Assignee: Korea Advanced Institute of Science and TechnologyInventors: Kyung-Soo Kim, Hanjong Ju, Soo Hyun Kim, In Gwun Jang, Yunsub Jung, Eun Ho Kim, Youn Sik Park, Byung Man Kwak
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Patent number: 8580204Abstract: A fluidized bed reactor is disclosed. The fluidized bed reactor includes a reaction pipe comprising silicon particles provided therein; a flowing-gas supply unit configured to supply flowing gas comprising silicon elements to the silicon particles provided in the reaction pipe; and a heater unit configured to supply heat to an internal space of the reaction pipe, with a heater channel in which inert gas flows serially.Type: GrantFiled: September 28, 2011Date of Patent: November 12, 2013Assignee: SiliconValue LLCInventors: Yunsub Jung, Keunho Kim, Yeokyun Yoon, Ted Kim
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Patent number: 8580203Abstract: A fluidized bed reactor is disclosed. The fluidized bed reactor includes a head; a first body part connected with the head, located under the head, the first body part having a first reaction pipe provided therein; a second body part connected with the first body part, located under the first body part, the second body part having a second reaction pipe provided therein; and a bottom part connected with the second body part, located under the second body part, the bottom part having a flowing-gas supply nozzle, a reaction gas supply nozzle, a heater and an electrode assembled thereto.Type: GrantFiled: September 28, 2011Date of Patent: November 12, 2013Assignee: SiliconValue LLCInventors: Yunsub Jung, Keunho Kim, Yeokyun Yoon, Ted Kim, Yong Ki Park, Kyung Koo Yoon, Myung Hoi Koo
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Patent number: 8377208Abstract: A polycrystal silicon manufacturing apparatus and a method of manufacturing polycrystal silicon using the same are disclosed. The polycrystal silicon manufacturing apparatus includes a reaction pipe comprising silicon particles provided therein; a flowing-gas supply unit configured to supply flowing gas to the silicon particles provided in the reaction pipe; and a first pressure sensor configured to measure a pressure of a first area in the reaction pipe; a second pressure sensor configured to measure a pressure of a second area in the reaction pipe; and a particle outlet configured to exhaust polycrystal silicon formed in the reaction pipe outside, when a difference between a first pressure measured by the first pressure sensor and a second pressure measured by the second pressure sensor is a reference pressure value or more.Type: GrantFiled: September 28, 2011Date of Patent: February 19, 2013Assignee: Siliconvalue LLC.Inventors: Yunsub Jung, Keunho Kim, Yeokyun Yoon, Ted Kim
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Publication number: 20120269686Abstract: A fluidized bed reactor is disclosed. The fluidized bed reactor includes a reaction pipe comprising silicon particles provided therein; a flowing-gas supply unit configured to supply flowing gas to the silicon particles provided in the reaction pipe, the flowing-gas supply unit comprising a flowing-gas inlet and a flowing-gas nozzle; and a reaction gas supply unit configured to supply reaction gas containing silicon elements to the silicon particles, wherein an inlet area of the flowing-gas inlet is identical to or larger than an outlet area of the flowing-gas nozzle.Type: ApplicationFiled: September 28, 2011Publication date: October 25, 2012Applicant: SILICONVALUE LLC.Inventors: YUNSUB JUNG, KEUNHO KIM, YEOKYUN YOON, TED KIM
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Publication number: 20120266816Abstract: A polycrystal silicon manufacturing apparatus is disclosed. The polycrystal silicon manufacturing apparatus includes a reaction pipe comprising silicon particles provided therein; a flowing-gas supply unit configured to supply flowing gas to the silicon particles provided in the reaction pipe; and a heater configured to supply heat to an internal space of the reaction pipe to generate silicon deposition reaction of the silicon particles; a temperature measurement unit configured to measure a temperature inside the reaction pipe; and a power supply unit configured to increase the temperature inside the reaction pipe, when a temperature value measured by the temperature measurement unit is less than a reference temperature value.Type: ApplicationFiled: September 28, 2011Publication date: October 25, 2012Applicant: SILICONVALUE LLC.Inventors: YUNSUB JUNG, KEUNHO KIM, YEOKYUN YOON, TED KIM
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Publication number: 20120269687Abstract: A fluidized bed reactor is disclosed. The fluidized bed reactor includes a reaction pipe comprising silicon particles provided therein; a flowing-gas supply unit configured to supply flowing gas comprising silicon elements to the silicon particles provided in the reaction pipe; and a heater unit configured to supply heat to an internal space of the reaction pipe, with a heater channel in which inert gas flows serially.Type: ApplicationFiled: September 28, 2011Publication date: October 25, 2012Applicant: SILICONVALUE LLC.Inventors: YUNSUB JUNG, KEUNHO KIM, YEOKYUN YOON, TED KIM
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Publication number: 20120269712Abstract: A polycrystal silicon manufacturing apparatus and a method of manufacturing polycrystal silicon using the same are disclosed. The polycrystal silicon manufacturing apparatus includes a reaction pipe comprising silicon particles provided therein; a flowing-gas supply unit configured to supply flowing gas to the silicon particles provided in the reaction pipe; and a first pressure sensor configured to measure a pressure of a first area in the reaction pipe; a second pressure sensor configured to measure a pressure of a second area in the reaction pipe; and a particle outlet configured to exhaust polycrystal silicon formed in the reaction pipe outside, when a difference between a first pressure measured by the first pressure sensor and a second pressure measured by the second pressure sensor is a reference pressure value or more.Type: ApplicationFiled: September 28, 2011Publication date: October 25, 2012Applicant: SILICONVALUE LLC.Inventors: YUNSUB JUNG, KEUNHO KIM, YEOKYUN YOON, TED KIM
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Publication number: 20120082592Abstract: A fluidized bed reactor is disclosed. The fluidized bed reactor includes a head; a first body part connected with the head, located under the head, the first body part having a first reaction pipe provided therein; a second body part connected with the first body part, located under the first body part, the second body part having a second reaction pipe provided therein; and a bottom part connected with the second body part, located under the second body part, the bottom part having a flowing-gas supply nozzle, a reaction gas supply nozzle, a heater and an electrode assembled thereto.Type: ApplicationFiled: September 28, 2011Publication date: April 5, 2012Applicant: SILICONVALUE LLC.Inventors: YUNSUB JUNG, KEUNHO KIM, YEOKYUN YOON, TED KIM
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Publication number: 20110272376Abstract: A crane for loading and unloading a cargo includes a trolley assembly. The trolley assembly includes a first trolley movable in a longitudinal direction along a boom of the crane; a second trolley movable in a lateral direction on the first trolley; a hoist provided on the second trolley; a spreader movable in a vertical direction by the hoist; a light emitting unit provided on the spreader; and a smart camera for capturing an image of the light emitting unit to measure a movement of the spreader. A movement of the hoist is controlled by a location control unit based on the measured movement of the spreader.Type: ApplicationFiled: December 15, 2010Publication date: November 10, 2011Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Yunsub JUNG, In Gwun Jang, Eun Ho Kim, Hanjong Ju, Kyung-Soo Kim, Kyung Il Kim, Byung Man Kwak
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Publication number: 20110247991Abstract: A crane for loading and unloading a cargo includes multi-stage trolley. The multi-stage trolley for a crane includes a first trolley movable in a longitudinal direction along a boom of the crane; a second trolley movable in a lateral direction on the first trolley; a hoisting wire provided in the longitudinal direction along the boom; spreader connected to the hoisting wire through the first trolley and the second trolley and supported by the hoisting wire, the spreader being movable in a vertical direction according to a movement of the hoisting wire. The multi-stage trolley further includes a sheave block unit for changing a direction of the hoisting wire to maintain a vertical level of the spreader constant when the first trolley and/or the second trolley is moved.Type: ApplicationFiled: December 16, 2010Publication date: October 13, 2011Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kyung-Soo KIM, Hanjong Ju, Soo Hyun Kim, In Gwun Jang, Yunsub Jung, Eun Ho Kim, Youn Sik Park, Byung Man Kwak
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Publication number: 20110155683Abstract: A crane spreader for use in lifting a container includes an attachment unit, a head block, a frame unit, a position adjustment unit and a fixation unit. The attachment unit detachably attaches the crane spreader to an upper surface of the container. The head block has a pulley connected to a trolley of a crane through a cable and coupled to the attachment unit to restrict a horizontal movement the attachment unit with respect to the head block. The frame unit is supported by the head block to be horizontally movable with respect to the head block, the frame unit being disposed below the head block with a gap therebetween. The position adjustment unit aligns the frame unit with the container by displacing the frame unit with respect to the attachment unit. The fixation unit engages the container with the frame unit.Type: ApplicationFiled: December 16, 2010Publication date: June 30, 2011Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Soo Hyun KIM, Eun Ho Kim, In Gwun Jang, Yunsub Jung, Hanjong Ju, Yoon Keun Kwak, Byung Man Kwak, Kyung Woon Kwak, Doo Yeol Koh, Sang Jun Yoo, Jung Kim, Yun Sic Hong