Patents by Inventor Cheol Soo Park
Cheol Soo Park 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: 10934924Abstract: A vehicle thermal management system includes an Integrated Thermal Management Valve (ITM) for receiving engine coolant through a coolant inlet connected to an engine coolant outlet of an engine, and for distributing the engine coolant flowing out toward a radiator through a coolant outlet flow path connected to a heater core and a radiator. The thermal management system includes a water pump positioned at the front end of an engine coolant inlet of the engine, a coolant branch flow path branched at the front end of the engine coolant inlet to be connected with an Exhaust Gas Recirculation (EGR) cooler. and a Smart Single Valve (SSV) for adjusting an engine coolant flow in the EGR cooler flow path direction on the coolant branch flow path.Type: GrantFiled: March 12, 2020Date of Patent: March 2, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Cheol-Soo Park, Bong-Sang Lee, Dae-Kwang Kim, Dong-Suk Chae
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Patent number: 10927796Abstract: An exhaust gas recirculation (EGR) control method applied with a humidity sensor for preventing condensation to prevent corrosion caused by exhaust gas in a vehicle, may include a first step of measuring a temperature, humidity, and atmospheric pressure of intake air which is introduced from the outside of the vehicle and flows into the EGR; a second step of determining a molar fraction of water vapor included in the intake air by a combustion equation of the water vapor and determining water vapor pressure in the EGR; and a third step of opening an EGR valve so that EGR gas flows when the water vapor pressure in the EGR is lower than saturated water vapor pressure in the EGR.Type: GrantFiled: July 9, 2019Date of Patent: February 23, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Kyu-Min Lee, Jun-Sik Park, Dong-Suk Chae, Cheol-Soo Park
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Patent number: 10920653Abstract: A vehicle thermal management system includes an Integrated Thermal Management Valve (ITM) for receiving coolant through a coolant inlet connected to an engine coolant outlet of an engine, and for distributing the coolant flowing out toward a radiator through a coolant outlet flow path connected to a heat exchange system. The heat exchange system includes at least one among a heater core, an oil warmer, and an Auto Transmission Fluid (ATF) warmer and the radiator. The vehicle thermal management system includes: a water pump positioned at the front end of an engine coolant inlet of the engine; a coolant branch flow path branched from the front end of the engine coolant inlet to be connected to an Exhaust Gas Recirculation (EGR) cooler together with the coolant outlet flow path; and a Smart Single Valve (SSV) for adjusting a coolant flow in a coolant outlet flow path direction and an EGR cooler flow path direction on the coolant branch flow path.Type: GrantFiled: March 12, 2020Date of Patent: February 16, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Cheol-Soo Park, Dae-Kwang Kim, Dong-Suk Chae
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Patent number: 10914225Abstract: A vehicle thermal management system (VTMS) includes: an Integrated Thermal Management Valve (ITM) for receiving coolant through a coolant inlet connected to an engine coolant outlet of an engine, and for distributing the coolant flowing out toward a radiator through a coolant outlet flow path connected to a heat exchange system. The heat exchanger system includes at least one among a heater core, an oil warmer, and an Auto Transmission Fluid (ATF) warmer and the radiator. The VTMS also includes: a water pump positioned at the front end of an engine coolant inlet of the engine; a coolant branch flow path branched from the front end of the engine coolant inlet to be connected to an Exhaust Gas Recirculation (EGR) cooler together with the coolant outlet flow path; and a Smart Single Valve (SSV) for adjusting a coolant flow in a coolant outlet flow path direction and an EGR cooler flow path direction on the coolant branch flow path.Type: GrantFiled: March 12, 2020Date of Patent: February 9, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Cheol-Soo Park, Dae-Kwang Kim, Dong-Suk Chae
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Patent number: 10910468Abstract: Provided is a capacitor structure including a substrate, a cup-shaped lower electrode, a top supporting layer, a capacitor dielectric layer, and an upper electrode. The cup-shaped lower electrode is located on the substrate. The top supporting layer surrounds the upper portion of the cup-shaped lower electrode. The top supporting layer includes a high-k material. Surfaces of the cup-shaped lower electrode and the top supporting layer are covered by the capacitor dielectric layer. A surface of the capacitor dielectric layer is covered by the upper electrode.Type: GrantFiled: January 10, 2020Date of Patent: February 2, 2021Assignee: Winbond Electronics Corp.Inventors: Cheol Soo Park, Ming-Tang Chen, Chun-Chieh Wang
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Publication number: 20200300152Abstract: An integrated flow control valve apparatus configured to control a flow rate of coolant in an engine cooling system for cooling an engine may include a cylinder block and a cylinder head mounted above the cylinder block, the integrated flow control valve apparatus may include a valve housing; a plurality of coolant ports formed at the valve housing and provided as inlets and outlets through which the coolant flows into and out of the valve housing; and valves configured for opening and closing the coolant ports, wherein the coolant ports include a first inlet port for introduction of the coolant from the cylinder block and a second inlet port for introduction of the coolant from the cylinder head into the valve housing; and the flow of the coolant at the first and second inlet ports is controlled by the valves configured to vary the flow of the coolant in the cylinder block and the cylinder head.Type: ApplicationFiled: November 4, 2019Publication date: September 24, 2020Applicants: Hyundai Motor Company, Kia Motors GorporationInventors: Cheol-Soo Park, Jun-Sik Park, Chang-Joo Lee, Dong-Suk Chae
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Publication number: 20200256278Abstract: An engine structure includes a cylinder block, a cylinder liner, a block water jacket formed between the cylinder block and the cylinder liner, a block insert assembly inserted into the block water jacket, and an cylinder head. In particular, the block insert assembly includes: a first block insert and a second block insert, which are disposed between the cylinder liner and the cylinder block. One side end portion of the first block insert, which is adjacent to a block coolant inlet side, has a first flow resistor for sealing only a partial space of the space between the cylinder block and the cylinder liner, and one side end portion of the second block insert, which is adjacent to the block coolant inlet side, has a second flow resistor for sealing the entire space between the cylinder block and the cylinder liner.Type: ApplicationFiled: November 19, 2019Publication date: August 13, 2020Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Cheol-Soo PARK, Jun-Sik PARK, Chang-Joo LEE, Dong-Suk CHAE, Min-Kyu PARK
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Patent number: 10734390Abstract: A method of manufacturing a memory device includes following steps. A first dielectric layer is formed on the substrate between bit-line structures. First trenches are formed in the first dielectric layer. A second dielectric layer is formed to fill in the first trenches. A portion of the first dielectric layer is removed, so that a top surface of the first dielectric layer is lower than a top surface of the second dielectric layer. A first mask layer is formed to cover the top surfaces of the first and second dielectric layers. A first etching process is performed to form second trenches in the first dielectric layer. A third dielectric layer is formed to fill the second trenches. The first dielectric layer is removed to form contact openings between the second and third dielectric layers. A conductive material is formed to fill in the contact openings.Type: GrantFiled: March 15, 2019Date of Patent: August 4, 2020Assignee: Winbond Electronics Corp.Inventors: Cheol Soo Park, Ming-Tang Chen, Shuen-Hsiang Ke
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Patent number: 10704453Abstract: A flow control valve is arranged to simultaneously perform coolant flow control and variable split cooling, according to control of a path opening degree of the flow control valve. The flow control valve can perform four-port control for variably controlling four ports at once by operation of the flow control valve, and thus can implement variable temperature control for increasing a temperature of an engine, rapid warming-up of the engine, while performing split cooling at the same time.Type: GrantFiled: November 28, 2017Date of Patent: July 7, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Cheol Soo Park, Jun Sik Park, Bong Hoon Han, Dong Suk Chae
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Patent number: 10690040Abstract: The present invention relates to a technology that can simultaneously control the flow rate of a coolant and perform variable separate cooling by controlling the opening rate of a flow control valve. The flow control valve has an inlet port connected to a coolant outlet of a cylinder block and a plurality of outlet ports connected to a cooling inlet port of an engine such that the opening rate of a first outlet port is symmetrically changed in a first direction and a second direction from a mid-operation angle of the entire operation section of the flow control valve.Type: GrantFiled: May 3, 2017Date of Patent: June 23, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jae Soo Jang, Cheol Soo Park, Bong Hoon Han, Dong Suk Chae, Jun Sik Park, Phil Gi Lee, Jea Woong Yi
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Publication number: 20200182204Abstract: An exhaust gas recirculation (EGR) control method applied with a humidity sensor for preventing condensation to prevent corrosion caused by exhaust gas in a vehicle, may include a first step of measuring a temperature, humidity, and atmospheric pressure of intake air which is introduced from the outside of the vehicle and flows into the EGR; a second step of determining a molar fraction of water vapor included in the intake air by a combustion equation of the water vapor and determining water vapor pressure in the EGR; and a third step of opening an EGR valve so that EGR gas flows when the water vapor pressure in the EGR is lower than saturated water vapor pressure in the EGR.Type: ApplicationFiled: July 9, 2019Publication date: June 11, 2020Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Kyu-Min LEE, Jun-Sik Park, Dong-Suk Chae, Cheol-Soo Park
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Publication number: 20200152732Abstract: Provided is a capacitor structure including a substrate, a cup-shaped lower electrode, a top supporting layer, a capacitor dielectric layer, and an upper electrode. The cup-shaped lower electrode is located on the substrate. The top supporting layer surrounds the upper portion of the cup-shaped lower electrode. The top supporting layer includes a high-k material. Surfaces of the cup-shaped lower electrode and the top supporting layer are covered by the capacitor dielectric layer. A surface of the capacitor dielectric layer is covered by the upper electrode.Type: ApplicationFiled: January 10, 2020Publication date: May 14, 2020Applicant: Winbond Electronics Corp.Inventors: CHEOL SOO PARK, Ming-Tang Chen, Chun-Chieh Wang
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Patent number: 10566415Abstract: Provided is a capacitor structure including a substrate, a cup-shaped lower electrode, a top supporting layer, a capacitor dielectric layer, and an upper electrode. The cup-shaped lower electrode is located on the substrate. The top supporting layer surrounds the upper portion of the cup-shaped lower electrode. The top supporting layer includes a high-k material. Surfaces of the cup-shaped lower electrode and the top supporting layer are covered by the capacitor dielectric layer. A surface of the capacitor dielectric layer is covered by the upper electrode.Type: GrantFiled: May 23, 2018Date of Patent: February 18, 2020Assignee: Winbond Electronics Corp.Inventors: Cheol Soo Park, Ming-Tang Chen, Chun-Chieh Wang
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Patent number: 10472037Abstract: Disclosed is a method of decreasing pressure fluctuation induced on a surface of a hull due to propeller cavitation by adjusting a relative rotation angle of propellers of a twin-propeller ship.Type: GrantFiled: July 3, 2017Date of Patent: November 12, 2019Assignee: KOREA INSTITUTE OF OCEAN SCIENCE & TECHNOLOGYInventors: Cheol Soo Park, Gun Do Kim, Youngha Park
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Patent number: 10436102Abstract: A cooling system for vehicles and a control method thereof improves indoor heating performance and fuel efficiency by controlling a flow rate of a coolant passing through a heater core together with an EGR cooler. A coolant having an increased temperature is first supplied to the heater core side through a flow stagnancy control to rapidly increase the temperature of the coolant flowing in the heater core, thereby improving heating performance. A warm-up feature is improved through an exhaust heat recovery function by a heat exchange between the exhaust gas and the coolant in the EGR cooler, thereby improving efficiency of fuel.Type: GrantFiled: May 9, 2018Date of Patent: October 8, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA Motors CorporationInventors: Cheol Soo Park, Dong Suk Chae, Phil Gi Lee, Jun Sik Park, Jea Woong Yi
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Patent number: 10352460Abstract: Disclosed is a coolant control valve unit having a sealing structure, the control valve unit including: a rotary valve provided with a valve coolant passage formed from an inner surface to an outer surface of the rotary valve; a valve housing in which the rotary valve is rotatably provided; a fitting coupled to the valve housing, and having a fitting coolant passage; and a sealing unit provided between a front surface of the fitting and the outer surface of the rotary valve, wherein the sealing unit includes: a sealing ring being in contact with the outer surface of the rotary valve; and a rubber ring provided on the front surface of the fitting, and bringing the sealing ring into contact with the outer surface of the rotary valve, wherein the rubber ring has an X-shaped cross-section, with a front groove, a rear groove, an inner groove, and an outer groove.Type: GrantFiled: May 1, 2017Date of Patent: July 16, 2019Assignees: HYUNDAI MOTOR COMPANY, Kia Motors Corporation, MVH Korea, Inc., Inzicontrols Co., Ltd., GMB Korea Corp.Inventors: Jae Soo Jang, Phil Gi Lee, Jea Woong Yi, Ju Bong Lee, In Hee Lee, Seo Kyu Kim, Cheol Soo Park
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Patent number: 10330055Abstract: An engine cooling system having an EGR cooler is disclosed. The system includes a cylinder head provided on a cylinder block, a coolant pump that pumps a coolant to a coolant inlet side of the cylinder block, an EGR cooler that is branched from a coolant line between the coolant pump and the cylinder block, and is provided in a circulation line through which a coolant is recirculated to an inlet of the coolant pump, and a coolant control valve unit that is provided in a coolant output side of the cylinder head to receive a coolant exhausted from the cylinder head and a coolant exhausted from the cylinder block and controls coolants distributed to coolant parts.Type: GrantFiled: December 5, 2017Date of Patent: June 25, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Cheol Soo Park, Dong Suk Chae, Philgi Lee, Jun Sik Park, Jeawoong Yi
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Publication number: 20190178148Abstract: A flow control valve is provided to adjust the flow rate of coolant and a variable-separation-cooling process at the same time by adjusting the opening degree of the flow control valve. The ports are controlled simultaneously in a variable manner merely by the operation of the flow control valve and thus, a variable temperature control process for increasing the temperature of the entire engine, rapid engine warm-up, and a separated cooling process at the same time is realized.Type: ApplicationFiled: June 8, 2018Publication date: June 13, 2019Inventors: Jea Woong Yi, Cheol Soo Park
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Patent number: 10316731Abstract: The present disclosure provides a method and system, for controlling a coolant circulating in an engine, including: selecting a reference inlet temperature for a coolant flowing through a coolant inlet of an engine; controlling an open rate of the coolant control valve unit based on the reference inlet temperature; sensing an actual inlet temperature of the coolant flowing through the coolant inlet of the engine; sensing an actual outlet temperature of a coolant flowing through a coolant outlet of the engine; calculating a difference value between the actual inlet temperature and the actual outlet temperature; and varying the reference inlet temperature according to the difference value.Type: GrantFiled: September 15, 2016Date of Patent: June 11, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Cheol Soo Park, Bonghoon Han, Dong Suk Chae, Kwang Sik Yang
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Publication number: 20190136743Abstract: A cooling system for vehicles and a control method thereof improves indoor heating performance and fuel efficiency by controlling a flow rate of a coolant passing through a heater core together with an EGR cooler. A coolant having an increased temperature is first supplied to the heater core side through a flow stagnancy control to rapidly increase the temperature of the coolant flowing in the heater core, thereby improving heating performance. A warm-up feature is improved through an exhaust heat recovery function by a heat exchange between the exhaust gas and the coolant in the EGR cooler, thereby improving efficiency of fuel.Type: ApplicationFiled: May 9, 2018Publication date: May 9, 2019Applicants: HYUNDAI MOTOR COMPANY, KIA Motors CorporationInventors: Cheol Soo Park, Dong Suk Chae, Phil Gi Lee, Jun Sik Park, Jea Woong Yi