Patents by Inventor Byeong-Seung Lee
Byeong-Seung Lee 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: 11835150Abstract: An air control valve for a fuel cell vehicle includes: a valve housing formed with air flow paths; valve members configured to selectively open or close the air flow paths; and a drive unit configured to rectilinearly operate the valve members so that the valve members rectilinearly move from a first position at which the air flow paths are closed to a second position at which the air flow paths are opened, such that it is possible to obtain an advantageous effect of improving sealing performance and improving stability and reliability.Type: GrantFiled: May 26, 2021Date of Patent: December 5, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Sang Woo Kim, Ju Yong Lee, Byeong Seung Lee
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Patent number: 11764373Abstract: A stack ventilation system includes a supply line that supplies a supply gas to an air electrode of a fuel cell stack, a discharge line that discharges an exhaust gas released from the air electrode, and a stack supply line that branches off from a branching point of the supply line and that supplies the supply gas in the supply line to a stack enclosure in which the fuel cell stack is accommodated.Type: GrantFiled: March 22, 2021Date of Patent: September 19, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Byeong Seung Lee, Kyoung Ku Ha
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Patent number: 11605827Abstract: An apparatus for regulating pressure of exhaust gas of a fuel cell system includes porous foam mounted in an exhaust tube and having a plurality of pores therein and a regulator that compresses or expands the porous foam to regulate a differential pressure of the exhaust gas flowing through the exhaust tube.Type: GrantFiled: April 5, 2019Date of Patent: March 14, 2023Assignees: Hyundai Motor Company, KIA Motors CorporationInventors: Kyoung Ku Ha, Byeong Seung Lee, Jeong Hee Park
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Publication number: 20230024605Abstract: An air control valve apparatus for a fuel cell, which controls air that flows into or out of a fuel cell stack, includes a valve housing having an air flow path fluidically-communicating with the fuel cell stack; a valve member configured to selectively open or close the air flow path; a trapping portion provided in the valve housing, disposed adjacent to an internal surface of the valve member, and configured to trap foreign substances discharged from the fuel cell stack; and a siphon guide tube connected between the trapping portion and the outside of the valve member and configured to selectively discharge the foreign substances trapped by the trapping portion to the outside of the valve member, improving stability and reliability.Type: ApplicationFiled: June 10, 2022Publication date: January 26, 2023Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation SeoulInventors: Sang Woo KIM, Ju Yong LEE, Byeong seung LEE
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Patent number: 11365812Abstract: An air control valve for a fuel cell vehicle includes: a valve housing having a first port and a second port; a first rotary shaft rotatably mounted in the valve housing and configured to be rotated by a driving source; a first valve member connected to the first rotary shaft and configured to selectively open or close the first port by rotating about the first rotary shaft; a second rotary shaft mounted in the valve housing so as to be rotatable relative to the first rotary shaft; a second valve member connected to the second rotary shaft and configured to selectively open or close the second port by rotating about the second rotary shaft; and a spring member connected, at one end thereof, to the first rotary shaft and connected, at the other end thereof, to the second rotary shaft, thereby improving stability and reliability.Type: GrantFiled: August 25, 2020Date of Patent: June 21, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Byeong Seung Lee, Sang Woo Kim, Jeong Hee Park
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Publication number: 20220190362Abstract: A stack ventilation system includes a supply line that supplies a supply gas to an air electrode of a fuel cell stack, a discharge line that discharges an exhaust gas released from the air electrode, and a stack supply line that branches off from a branching point of the supply line and that supplies the supply gas in the supply line to a stack enclosure in which the fuel cell stack is accommodated.Type: ApplicationFiled: March 22, 2021Publication date: June 16, 2022Inventors: Byeong Seung Lee, Kyoung Ku Ha
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Publication number: 20220128168Abstract: An air control valve for a fuel cell vehicle includes: a valve housing formed with air flow paths; valve members configured to selectively open or close the air flow paths; and a drive unit configured to rectilinearly operate the valve members so that the valve members rectilinearly move from a first position at which the air flow paths are closed to a second position at which the air flow paths are opened, such that it is possible to obtain an advantageous effect of improving sealing performance and improving stability and reliability.Type: ApplicationFiled: May 26, 2021Publication date: April 28, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Sang Woo KIM, Ju Yong LEE, Byeong Seung LEE
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Publication number: 20210301926Abstract: An air control valve for a fuel cell vehicle includes: a valve housing having a first port and a second port; a first rotary shaft rotatably mounted in the valve housing and configured to be rotated by a driving source; a first valve member connected to the first rotary shaft and configured to selectively open or close the first port by rotating about the first rotary shaft; a second rotary shaft mounted in the valve housing so as to be rotatable relative to the first rotary shaft; a second valve member connected to the second rotary shaft and configured to selectively open or close the second port by rotating about the second rotary shaft; and a spring member connected, at one end thereof, to the first rotary shaft and connected, at the other end thereof, to the second rotary shaft, thereby improving stability and reliability.Type: ApplicationFiled: August 25, 2020Publication date: September 30, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Byeong Seung LEE, Sang Woo KIM, Jeong Hee PARK
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Patent number: 10900717Abstract: A heat exchanger module unit that provides heat exchange between a fluid and a heat medium by indirect heat exchange through a phase-change material disposed between movement paths of the fluid and the heat medium movement paths, includes: a multiple number of plates having a partition, which is formed with a through-hole through which the fluid and the heat medium move, are stacked with a spacing gap, through which the fluid and the heat medium move, at one side of the partition; the spacing gaps are selectively connected through a connector connecting the respective through-holes so as to form a fluid passage and a heat medium passage through which the fluid and the heat medium move independently respectively; the spacing gap, in which the phase-change material is received, is located and disposed between the spacing gaps forming the fluid passage and the heat medium passage through which the fluid and the heat medium move respectively such that heat exchange is made between the fluid and the heat medium thType: GrantFiled: September 24, 2015Date of Patent: January 26, 2021Assignee: SPX Flow Technology Korea Co., Ltd.Inventor: Byeong-Seung Lee
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Patent number: 10873095Abstract: A valve device includes: a valve housing having a valve passage connected with an air flow passage; a valve disk rotatably disposed inside the valve housing through a valve driver and changing air flow cross-section of the valve passage; and a porous member installed at the valve disk and positioned in an open section between the valve disk and the valve passage.Type: GrantFiled: September 27, 2018Date of Patent: December 22, 2020Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jeong Hee Park, Byeong Seung Lee, Kyoung Ku Ha, Hyunyoo Kim
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Patent number: 10756362Abstract: An air shut-off valve apparatus for a fuel cell system is provided. The apparatus includes a valve body having an inlet-side air passage through which supply air flows and an outlet-side air passage through which exhaust air flows. A valve flap is installed in the valve body to open or close the inlet-side air passage and the outlet-side air passage. An inlet-side check valve is opened when pressure of the supply air is greater than or equal to a predetermined pressure, to guide the supply air into the fuel cell stack through the inlet-side air passage even while the valve flap is closed. An outlet-side check valve is opened when pressure of the exhaust air is greater than or equal to a predetermined pressure, to guide the exhaust air released from the fuel cell stack to flow through the outlet-side air passage even while the valve flap is closed.Type: GrantFiled: April 5, 2019Date of Patent: August 25, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Byeong Seung Lee, Kyoung Ku Ha, Hyun Yoo Kim, Jeong Hee Park
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Publication number: 20200212460Abstract: An air shut-off valve apparatus for a fuel cell system is provided. The apparatus includes a valve body having an inlet-side air passage through which supply air flows and an outlet-side air passage through which exhaust air flows. A valve flap is installed in the valve body to open or close the inlet-side air passage and the outlet-side air passage. An inlet-side check valve is opened when pressure of the supply air is greater than or equal to a predetermined pressure, to guide the supply air into the fuel cell stack through the inlet-side air passage even while the valve flap is closed. An outlet-side check valve is opened when pressure of the exhaust air is greater than or equal to a predetermined pressure, to guide the exhaust air released from the fuel cell stack to flow through the outlet-side air passage even while the valve flap is closed.Type: ApplicationFiled: April 5, 2019Publication date: July 2, 2020Inventors: Byeong Seung Lee, Kyoung Ku Ha, Hyun Yoo Kim, Jeong Hee Park
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Publication number: 20200185745Abstract: An apparatus for regulating pressure of exhaust gas of a fuel cell system includes porous foam mounted in an exhaust tube and having a plurality of pores therein and a regulator that compresses or expands the porous foam to regulate a differential pressure of the exhaust gas flowing through the exhaust tube.Type: ApplicationFiled: April 5, 2019Publication date: June 11, 2020Applicants: Hyundai Motor Company, KIA Motors CorporationInventors: Kyoung Ku Ha, Byeong Seung Lee, Jeong Hee Park
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Patent number: 10658687Abstract: An air shut-off valve apparatus for a fuel cell system and a method of controlling the same are provided. In particular, hydrogen injected into a fuel cell stack is discharged by being diluted with external air when starting the fuel cell system. The apparatus includes a valve body that has an inlet air path connected to a cathode of the fuel cell stack and through which air injected into the fuel cell stack flows, and an outlet air path through which air discharged from the fuel cell stack flows. A bypass body is provided and includes a bypass air path that connects the inlet air path and the outlet air path and a valve flap is disposed at the valve body and opens and closes the inlet and outlet air paths at a first side thereof, and the bypass air path at a second side thereof.Type: GrantFiled: June 20, 2017Date of Patent: May 19, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jeong Hee Park, Byeong Seung Lee, Duck Whan Kim
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Publication number: 20190326617Abstract: A valve device includes: a valve housing having a valve passage connected with an air flow passage; a valve disk rotatably disposed inside the valve housing through a valve driver and changing air flow cross-section of the valve passage; and a porous member installed at the valve disk and positioned in an open section between the valve disk and the valve passage.Type: ApplicationFiled: September 27, 2018Publication date: October 24, 2019Inventors: Jeong Hee PARK, Byeong Seung LEE, Kyoung Ku HA, Hyunyoo KIM
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Publication number: 20180224213Abstract: A heat exchanger module unit that provides heat exchange between a fluid and a heat medium by indirect heat exchange through a phase-change material disposed between movement paths of the fluid and the heat medium movement paths, includes: a multiple number of plates having a partition, which is formed with a through-hole through which the fluid and the heat medium move, are stacked with a spacing gap, through which the fluid and the heat medium move, at one side of the partition; the spacing gaps are selectively connected through a connector connecting the respective through-holes so as to form a fluid passage and a heat medium passage through which the fluid and the heat medium move independently respectively; the spacing gap, in which the phase-change material is received, is located and disposed between the spacing gaps forming the fluid passage and the heat medium passage through which the fluid and the heat medium move respectively such that heat exchange is made between the fluid and the heat medium thType: ApplicationFiled: September 24, 2015Publication date: August 9, 2018Applicant: SPX FLOW TECHNOLOGY KOREA CO., LTD.Inventor: Byeong-Seung LEE
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Publication number: 20180166712Abstract: An air shut-off valve apparatus for a fuel cell system and a method of controlling the same are provided. In particular, hydrogen injected into a fuel cell stack is discharged by being diluted with external air when starting the fuel cell system. The apparatus includes a valve body that has an inlet air path connected to a cathode of the fuel cell stack and through which air injected into the fuel cell stack flows, and an outlet air path through which air discharged from the fuel cell stack flows. A bypass body is provided and includes a bypass air path that connects the inlet air path and the outlet air path and a valve flap is disposed at the valve body and opens and closes the inlet and outlet air paths at a first side thereof, and the bypass air path at a second side thereof.Type: ApplicationFiled: June 20, 2017Publication date: June 14, 2018Inventors: Jeong Hee Park, Byeong Seung Lee, Duck Whan Kim
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Patent number: 9045827Abstract: Provided are an apparatus and method for supplying a light-emitting diode (LED) wafer that may quickly and accurately transfer LED wafers by acquiring position information of pockets in a carrier in which the LED wafers are to be seated. The apparatus may include a cassette in which a plurality of LED wafers are loaded, a carrier including a plurality of pockets in which the LED wafers are seated, an aligning unit to align the LED wafers that are to be seated in the carrier, a transfer robot to transfer the LED wafers from the cassette to the aligning unit, a picker to hold, in an adsorbed state, the LED wafers transferred to the aligning unit, or to release the adsorbed state, a capturing unit to fix the picker, and to acquire position information of the pockets, and an LED wafer loading robot to transfer the picker and the capturing unit from the aligning unit to the carrier.Type: GrantFiled: March 9, 2012Date of Patent: June 2, 2015Assignees: LG CNS CO., LTD., Robostar Co., Ltd.Inventors: in hwan Ryu, hak pyo Lee, il Chan Yang, Sung Kyu Choi, Byeong Seung Lee
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Publication number: 20130236275Abstract: Provided are an apparatus and method for supplying a light-emitting diode (LED) wafer that may quickly and accurately transfer LED wafers by acquiring position information of pockets in a carrier in which the LED wafers are to be seated. The apparatus may include a cassette in which a plurality of LED wafers are loaded, a carrier including a plurality of pockets in which the LED wafers are seated, an aligning unit to align the LED wafers that are to be seated in the carrier, a transfer robot to transfer the LED wafers from the cassette to the aligning unit, a picker to hold, in an adsorbed state, the LED wafers transferred to the aligning unit, or to release the adsorbed state, a capturing unit to fix the picker, and to acquire position information of the pockets, and an LED wafer loading robot to transfer the picker and the capturing unit from the aligning unit to the carrier.Type: ApplicationFiled: March 9, 2012Publication date: September 12, 2013Applicants: ROBOSTAR CO., LTD., LG CNS CO., LTDInventors: In Hwan RYU, Hak Pyo LEE, Il Chan Yang, Sung Kyu CHOI, Byeong Seung LEE
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Patent number: 7762090Abstract: A plate heat exchanger with a condensed fluid separating function, which includes a reheater having plural laminated wrinkled plates and introduction and discharge holes connected to different compressed air channels therein; a chiller having plural laminated wrinkled plates, working fluid inlet and outlet holes connected to a working fluid channel therein, and compressed air channels formed therein; and a wall-shaped pipe configured for partitioning the reheater and the chiller with providing a flow line to communicate a compressed air with he reheater and the chiller. An adiabatic expansion chamber is formed in a lower portion of the chiller on a flow line for the compressed air cooled in the chiller to move toward the reheater. A condensation chamber is formed in a lower portion of the reheater connected to the adiabatic expansion chamber. A condensation mesh sieve and a drainage hole are formed in the condensation hole.Type: GrantFiled: November 9, 2004Date of Patent: July 27, 2010Inventor: Byeong-Seung Lee