Patents by Inventor Myung Ju Jung
Myung Ju Jung 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: 11738638Abstract: A hydrogen storage system includes: a first hydrogen tank provided in a fuel cell electric vehicle; a second hydrogen tank provided in the fuel cell electric vehicle and configured to store hydrogen independently of the first hydrogen tank; a manifold provided in the fuel cell electric vehicle and connected to the first hydrogen tank and the second hydrogen tank; a hydrogen supply line configured to connect the manifold and a fuel cell stack provided in the fuel cell electric vehicle; and a flow rate adjusting valve configured to adjust a flow rate of the hydrogen to be supplied to the manifold from at least one of the first hydrogen tank or the second hydrogen tank in accordance with a difference in pressure between the first hydrogen tank and the second hydrogen tank, so as to minimize a difference in pressure between the hydrogen tanks to improve safety and reliability.Type: GrantFiled: September 28, 2020Date of Patent: August 29, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jin Woo Koo, Myung Ju Jung
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Publication number: 20210284012Abstract: A hydrogen storage system includes: a first hydrogen tank provided in a fuel cell electric vehicle; a second hydrogen tank provided in the fuel cell electric vehicle and configured to store hydrogen independently of the first hydrogen tank; a manifold provided in the fuel cell electric vehicle and connected to the first hydrogen tank and the second hydrogen tank; a hydrogen supply line configured to connect the manifold and a fuel cell stack provided in the fuel cell electric vehicle; and a flow rate adjusting valve configured to adjust a flow rate of the hydrogen to be supplied to the manifold from at least one of the first hydrogen tank or the second hydrogen tank in accordance with a difference in pressure between the first hydrogen tank and the second hydrogen tank, so as to minimize a difference in pressure between the hydrogen tanks to improve safety and reliability.Type: ApplicationFiled: September 28, 2020Publication date: September 16, 2021Inventors: Jin Woo Koo, Myung Ju Jung
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Patent number: 10998561Abstract: The present disclosure relates to a hydrogen filling system that includes a receptacle that is provided in a fuel cell electric vehicle and to which a fueling nozzle that dispenses hydrogen is connected, a manifold connected with a hydrogen tank provided in the fuel cell electric vehicle, a hydrogen filling line that connects the receptacle and the manifold, a hydrogen supply line that connects a fuel cell stack provided in the fuel cell electric vehicle and the manifold, and a buffer line that is connected to the hydrogen supply line and that heats the receptacle using heat of compression by the hydrogen that is supplied into the hydrogen supply line during filling of the hydrogen tank with the hydrogen. The present disclosure may obtain advantageous effects of suppressing freezing of the receptacle and improving safety and reliability.Type: GrantFiled: May 12, 2020Date of Patent: May 4, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jin Woo Koo, Myung Ju Jung
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Publication number: 20210126268Abstract: The present disclosure relates to a hydrogen filling system that includes a receptacle that is provided in a fuel cell electric vehicle and to which a fueling nozzle that dispenses hydrogen is connected, a manifold connected with a hydrogen tank provided in the fuel cell electric vehicle, a hydrogen filling line that connects the receptacle and the manifold, a hydrogen supply line that connects a fuel cell stack provided in the fuel cell electric vehicle and the manifold, and a buffer line that is connected to the hydrogen supply line and that heats the receptacle using heat of compression by the hydrogen that is supplied into the hydrogen supply line during filling of the hydrogen tank with the hydrogen. The present disclosure may obtain advantageous effects of suppressing freezing of the receptacle and improving safety and reliability.Type: ApplicationFiled: May 12, 2020Publication date: April 29, 2021Inventors: Jin Woo Koo, Myung Ju Jung
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Patent number: 10938049Abstract: A device for decreasing a concentration of hydrogen exhausted from a fuel cell through an exhaust line includes: a first housing connected to the exhaust line and having an exhaust gas moving path and an air inlet formed therein; a pumping part installed in the first housing and sucking air through the air inlet; a second housing coupled to the first housing and having an air diluting part and a diluted gas moving path formed therein, the air diluting part being connected to the exhaust gas moving path and the diluted gas moving path being connected to the air diluting part; and a nozzle member spraying the air introduced into the air inlet to the air diluting part while being rotated.Type: GrantFiled: March 17, 2020Date of Patent: March 2, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Myung Ju Jung, Jinwoo Koo
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Patent number: 10865673Abstract: An apparatus for discharging water in exhaust fluid is disclosed. The apparatus includes a body having an inlet disposed on an exhaust path for exhausting exhaust fluid exhausted from a fuel cell stack to the outside and through which the exhaust fluid is introduced, an outlet communicating with the outside, an interior space allowing the inlet and the outlet to communicate each other, and a discharge passage communicating with the outside to discharge water in the interior space. The apparatus further includes a first resistance unit disposed on a flow path along which the exhaust fluid flows in the interior space and having first fine holes through which at least a portion of the exhaust fluid passes, and a second resistance unit disposed on a discharge path along which the water in the interior space is discharged through the discharge passage and having second fine holes through which the water passes.Type: GrantFiled: April 8, 2020Date of Patent: December 15, 2020Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Sung Wook Na, Hun Woo Park, Myung Ju Jung, Hyun Young Park, Ju Chan Jang, Jun Ho Jang
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Publication number: 20200232358Abstract: An apparatus for discharging water in exhaust fluid is disclosed. The apparatus includes a body having an inlet disposed on an exhaust path for exhausting exhaust fluid exhausted from a fuel cell stack to the outside and through which the exhaust fluid is introduced, an outlet communicating with the outside, an interior space allowing the inlet and the outlet to communicate each other, and a discharge passage communicating with the outside to discharge water in the interior space. The apparatus further includes a first resistance unit disposed on a flow path along which the exhaust fluid flows in the interior space and having first fine holes through which at least a portion of the exhaust fluid passes, and a second resistance unit disposed on a discharge path along which the water in the interior space is discharged through the discharge passage and having second fine holes through which the water passes.Type: ApplicationFiled: April 8, 2020Publication date: July 23, 2020Inventors: Sung Wook Na, Hun Woo Park, Myung Ju Jung, Hyun Young Park, Ju Chan Jang, Jun Ho Jang
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Publication number: 20200220188Abstract: A device for decreasing a concentration of hydrogen exhausted from a fuel cell through an exhaust line includes: a first housing connected to the exhaust line and having an exhaust gas moving path and an air inlet formed therein; a pumping part installed in the first housing and sucking air through the air inlet; a second housing coupled to the first housing and having an air diluting part and a diluted gas moving path formed therein, the air diluting part being connected to the exhaust gas moving path and the diluted gas moving path being connected to the air diluting part; and a nozzle member spraying the air introduced into the air inlet to the air diluting part while being rotated.Type: ApplicationFiled: March 17, 2020Publication date: July 9, 2020Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Myung Ju JUNG, Jinwoo KOO
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Patent number: 10648379Abstract: An apparatus for discharging water in exhaust fluid is disclosed. The apparatus includes a body having an inlet disposed on an exhaust path for exhausting exhaust fluid exhausted from a fuel cell stack to the outside and through which the exhaust fluid is introduced, an outlet communicating with the outside, an interior space allowing the inlet and the outlet to communicate each other, and a discharge passage communicating with the outside to discharge water in the interior space. The apparatus further includes a first resistance unit disposed on a flow path along which the exhaust fluid flows in the interior space and having first fine holes through which at least a portion of the exhaust fluid passes, and a second resistance unit disposed on a discharge path along which the water in the interior space is discharged through the discharge passage and having second fine holes through which the water passes.Type: GrantFiled: November 30, 2017Date of Patent: May 12, 2020Assignees: HYUNDAI MOTOR COMPANY, KIA Motors CorporationInventors: Sung Wook Na, Hun Woo Park, Myung Ju Jung, Hyun Young Park, Ju Chan Jang, Jun Ho Jang
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Patent number: 10637085Abstract: Disclosed is a device for decreasing a concentration of hydrogen exhausted from a fuel cell through an exhaust line. The device includes: a first housing connected to the exhaust line and having an exhaust gas moving path and an air inlet formed therein; a pumping part installed in the first housing and sucking air through the air inlet; a second housing coupled to the first housing and having an air diluting part and a diluted gas moving path formed therein, the air diluting part being connected to the exhaust gas moving path and the diluted gas moving path being connected to the air diluting part; and a nozzle member spraying the air introduced into the air inlet to the air diluting part while being rotated.Type: GrantFiled: December 13, 2016Date of Patent: April 28, 2020Assignee: HYUNDAI MOTOR COMPANYInventors: Myung Ju Jung, Jinwoo Koo
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Publication number: 20190181478Abstract: An apparatus for reducing hydrogen concentration in exhaust gas of an exhaust system of a fuel cell vehicle includes a bumper cover disposed at a rear portion of the fuel cell vehicle, the bumper cover forming a streamlined exterior surface, and an exhaust gas guiding unit interconnecting the exhaust system and the bumper cover, the exhaust gas guiding unit guiding the exhaust gas to the streamlined exterior surface of the bumper cover.Type: ApplicationFiled: February 15, 2019Publication date: June 13, 2019Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventor: Myung Ju Jung
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Patent number: 10243227Abstract: An apparatus for reducing hydrogen concentration in exhaust gas of an exhaust system of a fuel cell vehicle includes a bumper cover disposed at a rear portion of the fuel cell vehicle, the bumper cover forming a streamlined exterior surface, and an exhaust gas guiding unit interconnecting the exhaust system and the bumper cover, the exhaust gas guiding unit guiding the exhaust gas to the streamlined exterior surface of the bumper cover.Type: GrantFiled: July 3, 2017Date of Patent: March 26, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Myung Ju Jung
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Patent number: 10160346Abstract: An exhaust port structure of a fuel cell vehicle includes a re-circulation fluid passage mounted on an upper portion of an exhaust pipe so as to be arranged parallel to the exhaust pipe, and a mixing pipe mounted on an end of the exhaust pipe and through which external air is suctioned. When a concentration of hydrogen in exhaust gas exceeds a reference value, hydrogen is re-circulated into the exhaust pipe via the re-circulation fluid passage and mixed with external air through the mixing pipe before being exhausted to outside. As a result, during starting and hydrogen purge to remove hydrogen from a fuel cell, the gas with high hydrogen concentration exhausted from the fuel cell and exhausted out of the vehicle can have reduced hydrogen concentration through the re-circulation fluid passage and the mixing pipe.Type: GrantFiled: June 3, 2015Date of Patent: December 25, 2018Assignee: Hyundai Motor CompanyInventors: Myung Ju Jung, Hyuck Roul Kwon, Sang Hoon Seo
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Patent number: 10164279Abstract: A device for decreasing hydrogen concentration of a fuel cell system is installed in an exhaust system for discharging exhaust gas which includes hydrogen and air and is discharged from fuel cells to the atmosphere through an exhaust line. The device includes a catalyst diluter having catalysts for diluting the hydrogen in an exhaust gas by generating a catalytic reaction and connected to the exhaust line. An air diluter is disposed outside the catalyst diluter and guides external air to a gas exit side of the catalyst diluter.Type: GrantFiled: October 14, 2016Date of Patent: December 25, 2018Assignee: Hyundai Motor CompanyInventors: Sang Hoon Seo, Myung Ju Jung
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Patent number: 10087953Abstract: Provided is an air blower for a fuel cell vehicle in which a bypass flow amount that ensures a surge margin is used to cool a motor to improve the efficiency of the motor. More specifically, a seal is arranged on a rear of an impeller and an air-through channel through which a part of the compressed air flows into the inside of the motor from an impeller housing case by forming an air-through aperture is formed therein to cool the motor.Type: GrantFiled: August 19, 2013Date of Patent: October 2, 2018Assignees: Hyundai Motor Company, Kia Motors Corporation, Hanon SystemsInventors: Chang Ha Lee, Myung Ju Jung, Chiyong Park, Hyunsup Yang
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Publication number: 20180171842Abstract: An apparatus for discharging water in exhaust fluid is disclosed. The apparatus includes a body having an inlet disposed on an exhaust path for exhausting exhaust fluid exhausted from a fuel cell stack to the outside and through which the exhaust fluid is introduced, an outlet communicating with the outside, an interior space allowing the inlet and the outlet to communicate each other, and a discharge passage communicating with the outside to discharge water in the interior space. The apparatus further includes a first resistance unit disposed on a flow path along which the exhaust fluid flows in the interior space and having first fine holes through which at least a portion of the exhaust fluid passes, and a second resistance unit disposed on a discharge path along which the water in the interior space is discharged through the discharge passage and having second fine holes through which the water passes.Type: ApplicationFiled: November 30, 2017Publication date: June 21, 2018Applicants: HYUNDAI MOTOR COMPANY, KIA Motors CorporationInventors: Sung Wook Na, Hun Woo Park, Myung Ju Jung, Hyun Young Park, Ju Chan Jang, Jun Ho Jang
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Publication number: 20180159159Abstract: An apparatus for reducing hydrogen concentration in exhaust gas of an exhaust system of a fuel cell vehicle includes a bumper cover disposed at a rear portion of the fuel cell vehicle, the bumper cover forming a streamlined exterior surface, and an exhaust gas guiding unit interconnecting the exhaust system and the bumper cover, the exhaust gas guiding unit guiding the exhaust gas to the streamlined exterior surface of the bumper cover.Type: ApplicationFiled: July 3, 2017Publication date: June 7, 2018Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventor: Myung Ju Jung
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Publication number: 20180102560Abstract: Disclosed is a device for decreasing a concentration of hydrogen exhausted from a fuel cell through an exhaust line.Type: ApplicationFiled: December 13, 2016Publication date: April 12, 2018Applicant: HYUNDAI MOTOR COMPANYInventors: Myung Ju JUNG, Jinwoo KOO
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Patent number: 9911998Abstract: A device for decreasing hydrogen concentration of a fuel cell system is installed in an exhaust system of a fuel cell system so as to discharge exhaust gas including hydrogen and air from fuel cells to the atmosphere through an exhaust line. The device includes: a catalyst diluter that includes catalysts for diluting hydrogen in the exhaust gas by generating a catalytic reaction, the catalyst diluter being connected to the exhaust line; and an air diluter that is disposed outside the catalyst diluter and guides external air to a gas exit side of the catalyst diluter, in which the catalyst diluter may include a valve unit that opens and closes an external air channel of the air diluter in accordance with flow pressure of the exhaust gas.Type: GrantFiled: August 31, 2016Date of Patent: March 6, 2018Assignee: Hyundai Motor CompanyInventors: Jinwoo Koo, Myung Ju Jung
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Patent number: 9897583Abstract: An apparatus for detecting a filter contamination of a fuel cell includes: a signal transmitter configured to transmit at least one signal; a signal receiver configured to receive the at least one signal from the signal transmitter; and a resistor unit including a silver compound disposed between the signal transmitter and the signal receiver and having a resistance which varies according to a chemical reaction.Type: GrantFiled: July 2, 2015Date of Patent: February 20, 2018Assignee: Hyundai Motor CompanyInventors: Myung Ju Jung, Hyuck Roul Kwon, Sang Hoon Seo, Jeong Hee Park