Patents by Inventor Seong Cheol Cho
Seong Cheol Cho 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: 11979488Abstract: A method for generating a key stream according to an embodiment includes generating r round keys that are each N-dimensional integer vectors including elements of an integer set defined based on a prime number t, based on a random bit string, an encryption counter, and a secret key that is an N-dimensional integer vector consisting of elements of the integer set , generating a first round output vector x1 by performing a modular addition operation on an initial vector and a first round key RK1 of the r round keys with the prime number t as a modulus, and generating a key stream that is an N-dimensional integer vector consisting of elements of the integer set from the first round output vector x1 by using a second to r-th round keys of the r round keys, and one or more first round functions and a second round function.Type: GrantFiled: October 29, 2021Date of Patent: May 7, 2024Assignees: Samsung SDS Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Joo Hee Lee, Duk Jae Moon, Hyo Jin Yoon, Ji Hoon Cho, Seong Kwang Kim, Joo Young Lee, Jin Cheol Ha
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Publication number: 20240102611Abstract: A low profile flat bombe for Liquefied Petroleum Gas (LPG) storage and method for manufacturing the same, may include a flat bombe body including an upper plate having a plurality of first piercing holes and a pump installation hole formed therethrough, a lower plate having a plurality of second piercing holes formed therethrough at positions vertically coinciding with the plurality of first piercing holes, and side plates integrally connecting first and second side end portions of the upper and lower plates, end plates mounted at front and rear openings in the flat bombe body, and support pipes, wherein upper end portions of the support pipes are welded to internal circumferential portions of the plurality of first piercing holes and lower end portions thereof are welded to internal circumferential portions of the plurality of second piercing holes to maintain a vertical distance between the upper and lower plates.Type: ApplicationFiled: December 6, 2023Publication date: March 28, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DAE HUNG PRECISION IND'L CO., LTD.Inventors: Seong Cheol Cho, Sung Won Lee, Ju Tae Song, Seung Hyun Yeo, Duk Hee Park
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Patent number: 11885464Abstract: A low profile flat bombe for Liquefied Petroleum Gas (LPG) storage and method for manufacturing the same, may include a flat bombe body including an upper plate having a plurality of first piercing holes and a pump installation hole formed therethrough, a lower plate having a plurality of second piercing holes formed therethrough at positions vertically coinciding with the plurality of first piercing holes, and side plates integrally connecting first and second side end portions of the upper and lower plates, end plates mounted at front and rear openings in the flat bombe body, and support pipes, wherein upper end portions of the support pipes are welded to internal circumferential portions of the plurality of first piercing holes and lower end portions thereof are welded to internal circumferential portions of the plurality of second piercing holes to maintain a vertical distance between the upper and lower plates.Type: GrantFiled: November 23, 2021Date of Patent: January 30, 2024Assignees: Hyundai Motor Company, Kia Corporation, DAE Hung Precision Ind'l Co., Ltd.Inventors: Seong Cheol Cho, Sung Won Lee, Ju Tae Song, Seung Hyun Yeo, Duk Hee Park
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Patent number: 11885288Abstract: A fuel pump module for a vehicle, which is formed in a low-floor type fuel pump module capable of being easily installed in a fuel tank with a reduced vertical height. The fuel pump module includes a head plate to be mounted in an opening of a fuel tank, a reservoir cup to which the head plate is pivotably coupled through a pair of connecting bars and which is to be installed in the fuel tank in a state of being coupled to the head plate, a fuel pump disposed in the reservoir cup in a state of being laid and to deliver fuel in the reservoir cup to an outside of the fuel tank, and a jet pump installed in the reservoir cup and to suction fuel outside the reservoir cup and discharge the fuel into the reservoir cup.Type: GrantFiled: August 9, 2022Date of Patent: January 30, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAM INDUSTRIAL CO., LTD.Inventors: Sung Won Lee, Jung Su Park, Seong Cheol Cho, Duck Su Moon, Seung Hwan Lee
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Patent number: 11859580Abstract: A device for supplying injection water capable of stably supplying the water to a water injection system of a vehicle. The device for supplying injection water includes a storage unit configured to store water, a management unit mounted on the storage unit and configured to detect a state of the water stored in the storage unit and manage the water, a transport unit connected to the storage unit through the management unit and configured to outwardly move the water, and an integrated controller configured to control operations of the management unit and the storage unit.Type: GrantFiled: June 28, 2022Date of Patent: January 2, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAM INDUSTRIAL CO., LTD.Inventors: Sung Won Lee, Seung Hoon Choi, Seong Cheol Cho, Yong Taek Hwang, Chan Yo Jeon
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Patent number: 11794570Abstract: A vehicle canister device includes a main canister including an inlet port through which evaporative gas is introduced from a fuel tank, an outlet port through which the evaporative gas introduced during operation of an engine is discharged to an intake side of the engine, and an internal space for filling activated carbon. The vehicle canister device also includes an auxiliary canister mounted in fluid-communication with the main canister and configured to allow external air to flow into the main canister through an atmosphere port provided on the main canister or the evaporative gas to flow therethrough upon stop of the engine. The auxiliary canister includes a plurality of activated carbon layers each filled with an activated carbon and a plurality of air layers disposed between the activated carbon layers.Type: GrantFiled: November 28, 2022Date of Patent: October 24, 2023Assignees: Hyundai Motor Company, Kia Corporation, Korea Fuel-Tech CorporationInventors: Seong Cheol Cho, Sung Won Lee, Tae Kyu Hwang, Hyung Jun Bae
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Patent number: 11707979Abstract: A fuel pump module which may be easily assembled and mounted in a flat bombe having a small height in an LPG vehicle, may have a structure in which a reservoir cup may be rotated and restored with respect to a plate by support bars and springs, so that the fuel pump module may be easily assembled and mounted even in a flat bombe having a small height. Furthermore, members for blocking noise and absorbing vibration are combined with a fuel pump, so noise and vibration may be reduced when the pump is operated.Type: GrantFiled: September 17, 2021Date of Patent: July 25, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Seong Cheol Cho, Ju Tae Song, Sung Won Lee, Se Jin Kim, Joon Seup Kim, Hyeong Cheol Yuk
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Publication number: 20230202292Abstract: A vehicle canister device includes a main canister including an inlet port through which evaporative gas is introduced from a fuel tank, an outlet port through which the evaporative gas introduced during operation of an engine is discharged to an intake side of the engine, and an internal space for filling activated carbon. The vehicle canister device also includes an auxiliary canister mounted in fluid-communication with the main canister and configured to allow external air to flow into the main canister through an atmosphere port provided on the main canister or the evaporative gas to flow therethrough upon stop of the engine. The auxiliary canister includes a plurality of activated carbon layers each filled with an activated carbon and a plurality of air layers disposed between the activated carbon layers.Type: ApplicationFiled: November 28, 2022Publication date: June 29, 2023Applicants: Hyundai Motor Company, Kia Corporation, Korea Fuel-Tech CorporationInventors: Seong Cheol CHO, Sung Won LEE, Tae Kyu HWANG, Hyung Jun BAE
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Patent number: 11613174Abstract: An apparatus is provided for purging fuel evaporation gas in a fuel system. The apparatus increases an amount of fuel evaporation gas that is desorbed from a canister during driving of an engine, and thus prevents fuel evaporation gas adsorbed to the canister from being discharged to the atmosphere.Type: GrantFiled: December 21, 2020Date of Patent: March 28, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Seong Cheol Cho, Sung Won Lee
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Publication number: 20230054851Abstract: A fuel pump module for a vehicle, which is formed in a low-floor type fuel pump module capable of being easily installed in a fuel tank with a reduced vertical height. The fuel pump module includes a head plate to be mounted in an opening of a fuel tank, a reservoir cup to which the head plate is pivotably coupled through a pair of connecting bars and which is to be installed in the fuel tank in a state of being coupled to the head plate, a fuel pump disposed in the reservoir cup in a state of being laid and to deliver fuel in the reservoir cup to an outside of the fuel tank, and a jet pump installed in the reservoir cup and to suction fuel outside the reservoir cup and discharge the fuel into the reservoir cup.Type: ApplicationFiled: August 9, 2022Publication date: February 23, 2023Applicants: Hyundai Motor Company, Kia Corporation, Hyundam Industrial Co., Ltd.Inventors: Sung Won Lee, Jung Su Park, Seong Cheol Cho, Duck Su Moon, Seung Hwan Lee
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Publication number: 20230008820Abstract: A device for supplying injection water capable of stably supplying the water to a water injection system of a vehicle. The device for supplying injection water includes a storage unit configured to store water, a management unit mounted on the storage unit and configured to detect a state of the water stored in the storage unit and manage the water, a transport unit connected to the storage unit through the management unit and configured to outwardly move the water, and an integrated controller configured to control operations of the management unit and the storage unit.Type: ApplicationFiled: June 28, 2022Publication date: January 12, 2023Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAM INDUSTRIAL CO., LTD.Inventors: Sung Won Lee, Seung Hoon Choi, Seong Cheol Cho, Yong Taek Hwang, Chan Yo Jeon
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Publication number: 20220381402Abstract: A low profile flat bombe for Liquefied Petroleum Gas (LPG) storage and method for manufacturing the same, may include a flat bombe body including an upper plate having a plurality of first piercing holes and a pump installation hole formed therethrough, a lower plate having a plurality of second piercing holes formed therethrough at positions vertically coinciding with the plurality of first piercing holes, and side plates integrally connecting first and second side end portions of the upper and lower plates, end plates mounted at front and rear openings in the flat bombe body, and support pipes, wherein upper end portions of the support pipes are welded to internal circumferential portions of the plurality of first piercing holes and lower end portions thereof are welded to internal circumferential portions of the plurality of second piercing holes to maintain a vertical distance between the upper and lower plates.Type: ApplicationFiled: November 23, 2021Publication date: December 1, 2022Applicants: Hyundai Motor Company, Kia Corporation, DAE HUNG PRECISION IND'L CO., LTD.Inventors: Seong Cheol Cho, Sung Won Lee, Ju Tae Song, Seung Hyun Yeo, Duk Hee Park
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Publication number: 20220176811Abstract: A fuel pump module which may be easily assembled and mounted in a flat bombe having a small height in an LPG vehicle, may have a structure in which a reservoir cup may be rotated and restored with respect to a plate by support bars and springs, so that the fuel pump module may be easily assembled and mounted even in a flat bombe having a small height. Furthermore, members for blocking noise and absorbing vibration are combined with a fuel pump, so noise and vibration may be reduced when the pump is operated.Type: ApplicationFiled: September 17, 2021Publication date: June 9, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Seong Cheol Cho, Ju Tae Song, Sung Won Lee, Se Jin Kim, Joon Seup Kim, Hyeong Cheol Yuk
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Publication number: 20210370760Abstract: An apparatus is provided for purging fuel evaporation gas in a fuel system. The apparatus increases an amount of fuel evaporation gas that is desorbed from a canister during driving of an engine, and thus prevents fuel evaporation gas adsorbed to the canister from being discharged to the atmosphere.Type: ApplicationFiled: December 21, 2020Publication date: December 2, 2021Inventors: Seong Cheol Cho, Sung Won Lee