Patents Assigned to Korea Institute of Industrial Technology
  • Publication number: 20220074427
    Abstract: The present disclosure relates to a two-vane pump for wastewater and a design method of a two-vane pump for wastewater using machine learning, and more particularly, a design method of a two-vane pump using machine learning capable of having efficiency of a target head and performing optimal design for sizes of solids that can pass through and a two-vane pump for wastewater according to the machine learning.
    Type: Application
    Filed: September 3, 2021
    Publication date: March 10, 2022
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Jin Hyuk KIM, Sung KIM, Sang Bum MA
  • Patent number: 11255025
    Abstract: The present invention relates to a spinning nozzle apparatus for manufacturing a high-strength fiber. The spinning nozzle apparatus for manufacturing a high-strength fiber according to the present invention is designed to optimize a heating method for the spinning region of a spinning nozzle in the melt spinning process. The heat transfer method is optimized by disposing the spinning nozzle holes of spinning nozzle commercially available on the outside of, directly under the pack body and heating the spinning nozzle holes with a heating body. In addition, an instantaneous heat treatment at high temperature is adopted to control the molecular entanglement structure in the melted polymer, which enhances the drawability of the thermoplastic resin and hence improves the mechanical properties such as strength and elongation.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: February 22, 2022
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Wan Gyu Hahm, In Woo Nam, Seung Jin Lee, Ki Sub Lim
  • Patent number: 11251463
    Abstract: A method of preparing a sintered solid electrolyte includes (a) coprecipitating a mixed solution including a lanthanum precursor, a zirconium precursor, a gallium precursor, a complexing agent, and a pH adjuster to provide a solid electrolyte precursor; (b) washing and drying the solid electrolyte precursor to provide a washed and dried solid electrolyte precursor; (c) mixing the washed and dried solid electrolyte precursor with a lithium source to provide a mixture; (d) calcining the mixture to provide a calcined solid electrolyte, which is a gallium (Ga)-doped lithium lanthanum zirconium oxide (LLZO), as represented by Chemical Formula 1 below, LixLayZrzGawO12,??Chemical Formula 1 where 5?x?9, 2?y?4, 1?z?3, and 0<w?4; and (e) sintering the calcined solid electrolyte at a temperature ranging from 1,000° C. to 1,300° C. to provide the sintered solid electrolyte, wherein a ratio (M1:M2) of moles (M1) of lithium element to moles (M2) of gallium element ranges from 6.7:0.1 to 5.8:0.4.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: February 15, 2022
    Assignee: Korea Institute of Industrial Technology
    Inventors: Ho Sung Kim, Min Young Kim, Seung Hoon Yang, Da Hye Kim, Hye Min Ryu, Ha Young Jung
  • Patent number: 11226367
    Abstract: The present invention relates to a substrate testing cartridge provided for simultaneously testing multiple substrates for which a substrate treatment process has been finished, and a method for manufacturing same. According to an embodiment of the present invention, a substrate testing cartridge comprises: a chuck member on which a substrate is placed; a probe card which contacts and tests the substrate and is positioned to face the chuck member with reference to the substrate; and coupling members which couple the substrate, the chuck member, and the probe card, wherein each coupling member comprises: a substrate coupling part which couples the substrate and the chuck member; and a chuck coupling part which couples the probe card and the chuck member.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: January 18, 2022
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Kyung Tae Nam, Sang Moo Lee, Seung Joon Lee, Kwang Hee Lee, Sung Won Choo
  • Publication number: 20220009047
    Abstract: Provided is a machining method for improving machining quality for a machining target by minimizing vibrations occurring during machining of each machining region, deformation of a shape of the machining region, and a position error of the machining region by selecting a machining path in consideration of the number of fixing jigs and a distance between jigs at each machining region.
    Type: Application
    Filed: November 18, 2019
    Publication date: January 13, 2022
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Tae Gon KIM, Hyo Young KIM, Seok Woo LEE
  • Patent number: 11214583
    Abstract: The present invention relates to a novel compound having an alkoxysilyl group and an active ester group, a method for preparing the same, a composition comprising the same, and a use, wherein the novel compound exhibits improved low moisture absorption and/or low dielectric properties when cured as an epoxy composition, but is not accompanied by loss of thermal expansion characteristics. Disclosed are a novel compound of formulae AF to LF having an alkoxysilyl group and an active ester group, and a method for preparing the same, a composition comprising the same, and a use of same.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: January 4, 2022
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Hyun-Aee Chun, Yun-Ju Kim, Sook-Yeon Park, Su-Jin Park, Tae-Kwang Kim
  • Publication number: 20210402542
    Abstract: An embodiment of the present invention provides a machining system that can lengthen the lifespan of a tool and improve the machining quality of a workpiece by managing the amount of wear of the tool by machining the workpiece using the other portion of the tool when a portion of the tool is worn and the machining performance of the tool is decreased.
    Type: Application
    Filed: November 18, 2019
    Publication date: December 30, 2021
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Tae Gon KIM, Hyo Young KIM, Seok Woo LEE
  • Publication number: 20210398745
    Abstract: The present invention relates to an apparatus and a method for manufacturing a soft magnetic composite using ultrasonic vibration and a soft magnetic composite manufactured using the ultrasonic vibration.
    Type: Application
    Filed: November 25, 2019
    Publication date: December 23, 2021
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Hyun Rok CHA, Myeong Hwan HWANG, Jong Ho HAN, Dong Hyun KIM, Gye Seong LEE
  • Patent number: 11191865
    Abstract: Disclosed are a medical fiberous structure and a method for preparing the same, wherein the medical fiberous structure comprises calcium carboxymethyl cellulose and a chitosan compound, at least one of the calcium carboxymethyl cellulose and the chitosan compound having a fibrous shape.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: December 7, 2021
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Jung Nam Im, Song Jun Doh, Tae Hee Kim, Yoonjin Kim, Chaehwa Kim, Gyu Dong Lee, Gahee Kim
  • Patent number: 11185990
    Abstract: The present disclosure relates to a method for learning and embodying a human facial expression by a robot, in which human emotional indicators are allowed to match with servo motor parameter values of a robot and the robot automatically and mechanically learns a human expression to imitate the human expression.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: November 30, 2021
    Assignee: Korea Institute of Industrial Technology
    Inventors: Han Ui Yoon, Dong Wook Lee, Hyun Jun Hyung, Duck Yeon Lee, Dong Woon Choi, Man Hong Hur
  • Patent number: 11177502
    Abstract: The method for manufacturing a solid electrolyte using an LLZ material for a lithium-ion battery comprises the steps of: providing a starting material in which lanthanum nitrate [La(NO3)3.6H2O] and zirconium nitrate [ZrO(NO3)2.6H2O] are mixed at a mole ratio of 3:2; forming an aqueous solution by dissolving the starting material; forming a precipitate by putting ammonia, which is a complex agent, and sodium hydroxide, which adjusts the pH of a reactor, into the aqueous solution, mixing the same, and then co-precipitating the mixture; forming a primary precursor powder by cleaning, drying and pulverizing the precipitate; forming a secondary precursor powder by mixing lithium powder [LiOH.H2O] with the primary precursor powder and ball-milling the mixture so as to solidify the lithium; and forming a solid electrolyte powder by heat-treating the secondary precursor powder.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: November 16, 2021
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Ho Sung Kim, Tae Won Kim, Duck Rye Chang, Jong Ho Lee, Kyeong Wan Kim, Min Young Kim
  • Patent number: 11161089
    Abstract: A moisture adsorption composition that is a vacuum dried powder, that is a metal chloride-impregnated, nanoporous material including a crystallization reaction product of an aluminum precursor and a dicarboxylic acid organic ligand having an average particle diameter of 100 to 2,000 nm, a pore size of 0.6 to 1.7 nm, and a maximum moisture adsorption amount of from 0.2 to 0.9 g/g within a driving pressure (P/P0) that ranges from 0.1 to 0.3. The composition is prepared by synthesizing the nanoporous material by a crystallization reaction between the aluminum precursor and the dicarboxylic acid organic ligand; heat-treating to purify the nanoporous material; impregnating the nanoporous material by mixing with a metal chloride solution in water having a weight ratio of the metal chloride to the nanoporous material of 10:2.5 to 10:50; drying the mixture; crushing the dried product; and vacuum drying the crushed product to provide the moisture adsorption composition.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: November 2, 2021
    Assignee: Korea Institute of Industrial Technology
    Inventors: Jea Sung Park, In Park, Oh Kyung Kwon
  • Patent number: 11149332
    Abstract: An aluminum alloy including aluminum, about 6 to about 17.4 weight percent by weight magnesium, and at least one of chromium up to about 0.2 percent by weight, zirconium up to about 0.2 percent by weight and manganese up to about 0.3 percent by weight.
    Type: Grant
    Filed: April 15, 2017
    Date of Patent: October 19, 2021
    Assignees: The Boeing Company, Korea Institute of Industrial Technology
    Inventors: Donald S. Shih, Paul N. Wilson, Shae-Kwang Kim, Bong-Hwan Kim, Young-Ok Yoon
  • Patent number: 11130703
    Abstract: Disclosed herein are a method of manufacturing a heterogeneous coating solution bonded coating layer, and a coating layer and a cover window produced thereby. More particularly, there are provided a method of manufacturing a heterogeneous coating solution bonded coating layer, in which a step difference at the boundary between different types of coating solutions is controllable by controlling a difference in capillary number during discharge of the different types of coating solutions using a slot die coater, and a coating layer and a cover window produced thereby. Therefore, the method of manufacturing a heterogeneous coating solution bonded coating layer can produce a cover window that is excellent in all the properties including durability, optical characteristics, and flexibility.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: September 28, 2021
    Assignee: Korea Institute of Industrial Technology
    Inventors: Yong Cheol Jeong, Kang Han Kim
  • Patent number: 11125504
    Abstract: A cold crucible structure according to an embodiment of the present invention includes a cold crucible structure according to an embodiment of the present invention includes: a cold crucible unit including hollow top and bottom caps, a plurality of segments connecting the top cap and the bottom cap, slits disposed between the segments, and a reaction area surrounded by the segments; and an induction coil unit disposed to cover the outer side of the cold crucible unit and disposed across the longitudinal directions of the segments and the slits, in which the diameter of the reaction area is defined as a crucible diameter, the crucible diameter is 100 to 300 mm, and a width of each of the slits is defined by d slit ? 0.3 × ? 50 (mm)(where dslit is the width of each of the slits and Ø is the crucible diameter).
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: September 21, 2021
    Assignee: Korea Institute of Industrial Technology
    Inventors: Byung Moon Moon, Hyun Jae Lee, Hyun Do Jung
  • Patent number: 11123716
    Abstract: A denitrification catalyst using ceramic nanotubes grown on a porous metal structure, including: a porous metal structure having a plurality of pores formed between metal supports such that exhaust gas penetrates through the pores in multiple directions; ceramic nanotubes grown on the porous metal structure through anodic oxidation; and an active material uniformly and highly dispersed as a nano-thin film layer on inner and outer surfaces of the ceramic nanotubes through a deposition or supporting process.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: September 21, 2021
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Dongha Lim, Uoochang Jung, Haeyoung Jeong, Yunjang Gu
  • Patent number: 11104805
    Abstract: Highly saturated scarlet dye ink for a high-speed inkjet process and a method of preparing the highly saturated scarlet dye ink are disclosed. In particular, an ink composition according to the present invention includes a dye including a compound represented by Formula 1, and further includes, in addition to the dye, distilled water, a surfactant, and an additive. The ink composition develops a highly saturated scarlet color that is unable to be developed by existing inks for digital textile printing (DTP), and has high water solubility, excellent heat resistance, and light-fastness, and thus may be effectively used as dye and ink for a high-speed inkjet process.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: August 31, 2021
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Jun Choi, Sol Choi, Kwan Hyun Cho, Eui Sang Yoo
  • Patent number: 11103419
    Abstract: A display device includes a cover part, a driving unit for transmitting an external force to the human body through the cover part, and a display unit that is provided at a position of the cover part through which the external force is transmitted to the human body, and indicates a display in accordance with the external force transmitted from the driving unit.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: August 31, 2021
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Byeong Hee Won, Jong Hyun Kim, Woo Sang Sim
  • Patent number: 11098391
    Abstract: An aluminum alloy including aluminum, about 2.5 to about 17.4 weight percent by weight magnesium, about 50 to about 3000 ppm calcium, and at least one of chromium up to about 0.2 percent by weight, zirconium up to about 0.2 percent by weight and manganese up to about 0.3 percent by weight.
    Type: Grant
    Filed: April 15, 2017
    Date of Patent: August 24, 2021
    Assignees: The Boeing Company, Korea Institute of Industrial Technology
    Inventors: Donald S. Shih, Paul N. Wilson, Shae-Kwang Kim, Bong-Hwan Kim, Young-Ok Yoon
  • Publication number: 20210171888
    Abstract: The present invention relates to an insertable culture container and a kit for three-dimensional cell culture, and a three-dimensional cell co-culture method using the same, the insertable culture container for three-dimensional cell culture comprising: a cylindrical side wall having open upper and lower portions; at least one hook protruding outward from the upper side of the side wall; and at least one support protruding inward from the lower side of the side wall. The present invention is advantageous in that air required for a three-dimensional cell culture structure can be smoothly supplied since the cell is cultured at a position spaced apart from a bottom surface of the culture container, and an existing culture plate can be used without change due to the culture container configured as an insert type.
    Type: Application
    Filed: December 7, 2018
    Publication date: June 10, 2021
    Applicants: Korea Institute of Industrial Technology, CEFO Co., Ltd.
    Inventors: Dongmok LEE, Hyunsook PARK, Sunray LEE