Patents by Inventor Won Rok CHOI
Won Rok 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).
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Patent number: 11961775Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.Type: GrantFiled: November 8, 2022Date of Patent: April 16, 2024Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
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Publication number: 20220228522Abstract: A radiator-intercooler integrated module and a vehicle including the same are provided. The radiator-intercooler integrated module includes a low-temperature radiator and a water cooled intercooler of the vehicle which are integrated into a single body.Type: ApplicationFiled: August 18, 2021Publication date: July 21, 2022Inventors: Seung Jae Kang, Won Rok Choi, Hyun Jin Park
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Patent number: 11168651Abstract: An exhaust gas recirculation (EGR) cooler assembly can be used to perform heat exchange between cooling water and exhaust gas. The EGR cooler assembly includes an EGR cooler in which cooling water flows, and a diesel particulate filter (DPF) including a housing accommodating therein the EGR cooler and a filter unit for post-treatment of the exhaust gas. An inside of the housing is sectioned by a partition into a first space in which the EGR cooler is inserted and a second space in contact with the filter unit, and the partition has a flow hole formed thereon in order to allow the exhaust gas to flow to the EGR cooler.Type: GrantFiled: June 20, 2019Date of Patent: November 9, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seung Jae Kang, Hyun Jin Park, Won Rok Choi
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Patent number: 11085364Abstract: An intercooler assembly includes: a cooler body having a heat exchanger; an upper tank formed at an intake air inlet connected to the heat exchanger and coupled to an upper portion of the cooler body; a lower tank coupled to the lower portion of the cooler body to form an intake air discharge part connected to the heat exchanger; a bypass unit connected to the intake discharge part separately from the intake inlet; and a valve unit connected to the intake air inlet and the bypass unit and selectively introducing intake air supplied through a turbocharger into the intake air inlet and the bypass unit.Type: GrantFiled: April 22, 2020Date of Patent: August 10, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seung Jae Kang, Won Rok Choi, Si Hyuk Ryu, Hyun Jin Park, Seung Yeon Lee
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Patent number: 11035508Abstract: A connection structure of a turbocharger and an intercooler for a vehicle is disclosed. The turbocharger is configured to compress intake air using exhaust gas and includes an outlet for discharging the compressed air, and the intercooler includes an inlet connected to the outlet of the turbocharger and is configured to receive the compressed air through the inlet. An inserting portion having an external diameter smaller than an external diameter of the outlet is formed at an end portion of the outlet facing the intercooler, and is inserted into the inlet of the intercooler. An connecting hose encloses external circumferences of the outlet and the inlet such that the outlet and the inlet are connected to each other through the connecting hose.Type: GrantFiled: October 30, 2018Date of Patent: June 15, 2021Assignees: Hyundai Motor Company, Kia CorporationInventors: Seung Jae Kang, Won Rok Choi
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Publication number: 20210148660Abstract: An intercooler assembly includes: a cooler main body having a heat exchange unit; an upper tank including an intake receiving portion connected to the heat exchange unit, and coupled to an upper portion of the cooler main body; a lower tank including an intake discharge portion connected to the heat exchange unit, and coupled to an lower portion of the cooler main body; a bypass receiving portion connected to a valve mounting portion, and forming a passage partitioned separately from the intake receiving portion; a bypass line portion that is provided at an exterior of the cooler main body and includes: an inlet connected to the bypass receiving portion and an outlet connected to the intake discharge portion; and a valve unit connected to the intake receiving portion and the bypass receiving portion.Type: ApplicationFiled: April 28, 2020Publication date: May 20, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seung Jae KANG, Hyun Jin PARK, Won Rok CHOI
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Publication number: 20210148278Abstract: An intercooler assembly includes: a cooler body having a heat exchanger; an upper tank formed at an intake air inlet connected to the heat exchanger and coupled to an upper portion of the cooler body; a lower tank coupled to the lower portion of the cooler body to form an intake air discharge part connected to the heat exchanger; a bypass unit connected to the intake discharge part separately from the intake inlet; and a valve unit connected to the intake air inlet and the bypass unit and selectively introducing intake air supplied through a turbocharger into the intake air inlet and the bypass unit.Type: ApplicationFiled: April 22, 2020Publication date: May 20, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seung Jae KANG, Won Rok CHOI, Si Hyuk RYU, Hyun Jin PARK, Seung Yeon LEE
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Publication number: 20200173399Abstract: An exhaust gas recirculation (EGR) cooler assembly can be used to perform heat exchange between cooling water and exhaust gas. The EGR cooler assembly includes an EGR cooler in which cooling water flows, and a diesel particulate filter (DPF) including a housing accommodating therein the EGR cooler and a filter unit for post-treatment of the exhaust gas. An inside of the housing is sectioned by a partition into a first space in which the EGR cooler is inserted and a second space in contact with the filter unit, and the partition has a flow hole formed thereon in order to allow the exhaust gas to flow to the EGR cooler.Type: ApplicationFiled: June 20, 2019Publication date: June 4, 2020Inventors: Seung Jae Kang, Hyun Jin Park, Won Rok Choi
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Publication number: 20190331266Abstract: A connection structure of a turbocharger and an intercooler for a vehicle is disclosed. The turbocharger is configured to compress intake air using exhaust gas and includes an outlet for discharging the compressed air, and the intercooler includes an inlet connected to the outlet of the turbocharger and is configured to receive the compressed air through the inlet. An inserting portion having an external diameter smaller than an external diameter of the outlet is formed at an end portion of the outlet facing the intercooler, and is inserted into the inlet of the intercooler. An connecting hose encloses external circumferences of the outlet and the inlet such that the outlet and the inlet are connected to each other through the connecting hose.Type: ApplicationFiled: October 30, 2018Publication date: October 31, 2019Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Seung Jae Kang, Won Rok Choi
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Publication number: 20190323462Abstract: A structure for mounting an intake flow control valve may include an intake flow control valve which is disposed at an intake manifold which allows outside air to flow into a combustion chamber of an engine to control the flow of the outside air, an EGR gas passage, which allows EGR gas to flow into the intake manifold and is formed in the intake manifold; and a coolant passage, which allows a coolant of the engine to flow into the intake manifold, and is formed close to the EGR gas passage in the intake manifold.Type: ApplicationFiled: September 20, 2018Publication date: October 24, 2019Applicants: Hyundai Motor Company, Kia Motor CompanyInventors: Seung Jae KANG, Won Rok Choi
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Patent number: 10378430Abstract: An integrated intercooler apparatus, which is supplied with intake air and recirculating exhaust gas, and cools the intake air and the recirculating exhaust gas, may include: a heat exchanger in which gas passageways through which the intake air and the recirculating exhaust gas pass and coolant passageways through which a coolant passes are alternately formed from a front side to a rear side thereof; and a variable device which controls an area of an exhaust gas supply region and an area of an intake air supply region at a front side of an inlet side of the heat exchanger.Type: GrantFiled: October 25, 2017Date of Patent: August 13, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Won Rok Choi, Seung Jae Kang
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Publication number: 20180328264Abstract: An integrated intercooler apparatus, which is supplied with intake air and recirculating exhaust gas, and cools the intake air and the recirculating exhaust gas, may include: a heat exchanger in which gas passageways through which the intake air and the recirculating exhaust gas pass and coolant passageways through which a coolant passes are alternately formed from a front side to a rear side thereof; and a variable device which controls an area of an exhaust gas supply region and an area of an intake air supply region at a front side of an inlet side of the heat exchanger.Type: ApplicationFiled: October 25, 2017Publication date: November 15, 2018Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Won Rok Choi, Seung Jae Kang
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Patent number: 10100716Abstract: An engine having an integrated heat exchanger includes a cylinder head defining combustion chambers; an intercooler embedded at an intake side in the cylinder head and cooling intake gas by using a coolant; an EGR cooler embedded in the cylinder head and cooling exhaust gas, which is discharged from an exhaust side of the combustion chambers and recirculates to the intake side of the combustion chambers through an EGR passageway formed in the cylinder head; and an EGR distribution tube formed at an upper side in the cylinder head, supplied with the exhaust gas passing through the EGR cooler, and having distribution holes through which the exhaust gas is distributed into intake ports connected with the combustion chambers.Type: GrantFiled: September 15, 2016Date of Patent: October 16, 2018Assignee: HYUNDAI MOTOR COMPANYInventor: Won Rok Choi
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Publication number: 20180274497Abstract: An engine having an exhaust gas recirculation (EGR) cooler includes: a high-pressure EGR cooler; an intake manifold which has an intake inlet which is supplied with intake gas, a high-pressure EGR inlet which is supplied with high-pressure EGR gas, a connecting hole which delivers the supplied high-pressure EGR gas to the high-pressure EGR cooler, and a distribution hole which is supplied with the high-pressure EGR gas cooled by the high-pressure EGR cooler; and a high-pressure EGR valve which is disposed on the intake manifold, and controls a flow of the high-pressure EGR gas delivered from the intake manifold to the high-pressure EGR cooler.Type: ApplicationFiled: October 24, 2017Publication date: September 27, 2018Inventors: Won Rok CHOI, Si Hyuk RYU, Seung Jae KANG
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Patent number: 9816469Abstract: An intake system may include an intercooler configured to cool an air supplied to an engine, and an intake manifold configured to supply the air which is passed through the intercooler into at least one cylinder, and having a first runner and a second runner, in which the air which is exhausted from the intercooler is selectively supplied into at least one of the first runner and the second runner, and at least one cylinder which is communicated with the first runner is separated from at least one cylinder which is communicated with the second runner.Type: GrantFiled: August 7, 2015Date of Patent: November 14, 2017Assignee: Hyundai Motor CompanyInventor: Won Rok Choi
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Publication number: 20170268414Abstract: An engine having an integrated heat exchanger includes a cylinder head defining combustion chambers; an intercooler embedded at an intake side in the cylinder head and cooling intake gas by using a coolant; an EGR cooler embedded in the cylinder head and cooling exhaust gas, which is discharged from an exhaust side of the combustion chambers and recirculates to the intake side of the combustion chambers through an EGR passageway formed in the cylinder head; and an EGR distribution tube formed at an upper side in the cylinder head, supplied with the exhaust gas passing through the EGR cooler, and having distribution holes through which the exhaust gas is distributed into intake ports connected with the combustion chambers.Type: ApplicationFiled: September 15, 2016Publication date: September 21, 2017Inventor: Won Rok CHOI
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Patent number: 9464599Abstract: A cooling system for a diesel engine having a turbocharger, may include an intercooler which cools compressed air from the turbocharger, an exhaust gas recirculation (EGR) cooler which cools EGR gas in an EGR device of the diesel engine, a low-temperature radiator fluidly-connected to the intercooler and the EGR cooler and supplying a coolant to the intercooler and the EGR cooler, and a water pump fluidly-connected to the low-temperature radiator, the intercooler and the EGR cooler and circulating the coolant of the low-temperature radiator, to the intercooler and the EGR cooler, wherein the intercooler and the EGR cooler may be disposed in series so that the coolant in the low-temperature radiator sequentially circulates through the water pump, the intercooler, the EGR cooler, and then the low-temperature radiator.Type: GrantFiled: July 18, 2014Date of Patent: October 11, 2016Assignee: Hyundai Motor CompanyInventor: Won Rok Choi
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Patent number: 9435250Abstract: An engine system having a turbocharger may include a cylinder head, at which an intake manifold and an exhaust manifold may be positioned, the turbocharger which may be connected to the exhaust manifold, an intake line formed between the turbocharger and the intake manifold to transmit compressed air compressed by the turbocharger, through the cylinder head, an intercooler disposed to be adjacent to the intake manifold to cool the compressed air supplied through the intake line, an Exhaust Gas Recirculation (EGR) line connecting the exhaust manifold and the intake manifold to recirculate the exhaust gas, to the intake manifold through the cylinder head, and an EGR cooler disposed to be adjacent to the intake manifold, wherein a low-temperature coolant supplied from a low temperature radiator to pass through the cylinder head to cool the compressed air and the EGR gas that pass through the cylinder head.Type: GrantFiled: July 28, 2014Date of Patent: September 6, 2016Assignee: Hyundai Motor CompanyInventor: Won Rok Choi
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Patent number: 9435296Abstract: An engine system having a turbocharger may include a cylinder head at which an intake manifold and an exhaust manifold may be placed, the turbocharger connected to the exhaust manifold to compress intake air by a first exhaust gas exhausted from the exhaust manifold, an intake line that may be formed between the turbocharger and the intake manifold through the cylinder head to deliver a compressed air compressed by the turbocharger, an intercooler placed between the intake line and the intake manifold to cool the compressed air, an Exhaust Gas Recirculation (EGR) line that recirculates a second exhaust gas that may be exhausted from the exhaust manifold to the intake manifold, and an EGR cooler that may be placed between the EGR line and the intake manifold to cool an EGR gas, wherein a low temperature coolant passing through the cylinder head cools the compressed air.Type: GrantFiled: September 17, 2014Date of Patent: September 6, 2016Assignee: Hyundai Motor CompanyInventor: Won Rok Choi
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Patent number: 9429112Abstract: An engine system having a turbocharger may include an engine block, a turbocharger, an intake line and an intercooler. The engine block may include a cylinder head disposed on an upper side of the engine block, an intake manifold disposed at one side of the cylinder head, and an exhaust manifold disposed at the other side of the cylinder head. The turbocharger may compress intake air by exhaust gas exhausted from the exhaust manifold, and the intake line may be formed from the turbocharger to the intake manifold to transfer the intake air compressed by the turbocharger to the intake manifold. The intercooler may be disposed on the intake line adjacent to the intake manifold to cool the compressed intake air. The compressed intake air discharged from the turbocharger may pass a side of the cylinder head and an engine coolant flowing the cylinder head may cool the compressed intake air.Type: GrantFiled: June 12, 2014Date of Patent: August 30, 2016Assignee: Hyundai Motor CompanyInventor: Won Rok Choi