Patents by Inventor Mun-Keun Ha
Mun-Keun Ha 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: 10450045Abstract: A fuel supply apparatus of a liquefied gas carrier includes: a compressor for compressing gas fuel into a high pressure; a compressed gas storage tank being filled with the compressed high-pressure gas fuel, for storing the gas fuel; and a decompressor for decompressing the high-pressure gas fuel drawn from the compressed gas storage tank into a pressure suitable to be used in a propulsion system, to supply fuel to the propulsion system. The gas fuel is at least one of a natural boiled-off gas which is naturally evaporated in the cargo tank, a forced boiled-off gas which is artificially evaporated, and a gas additionally supplied for the use of fuel. Further, the compressor is a multistage high-pressure compressor and the decompressor is a multistage decompressor.Type: GrantFiled: December 18, 2007Date of Patent: October 22, 2019Assignee: Samsung Heavy Ind. Co., Ltd.Inventors: Joong-nam Lee, Ki-hun Joh, Ho-byung Yoon, Mun-keun Ha, Kyu-dong Jung
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Patent number: 10179884Abstract: Disclosed are a device and a method for manufacturing a natural gas hydrate. Provided is the device for manufacturing a natural gas hydrate comprising: an ice slurry generation unit for preparing ice slurry having 13-20% of ice at normal pressure; a first pipe, having one end connected to the ice slurry generation unit for withdrawing the ice slurry from the ice slurry generation unit, and in which a high-pressure pump for increasing pressure on the ice slurry is interposed; a hydrate preparation reactor, which is connected to the other end of the first pipe so as to receive the pressurized ice slurry, and to which natural gas is supplied and mixed, for generating natural gas hydrate slurry; a second pipe, having one end connected to the hydrate preparation reactor, for withdrawing the natural gas hydrate slurry; and a dehydrating portion, which is connected to the other end of the second pipe, for dehydrating the natural gas hydrate slurry.Type: GrantFiled: January 15, 2016Date of Patent: January 15, 2019Assignees: Daewoo Engineering & Construction Co., Ltd., Samsung Heavy Ind. Co., Ltd., Sung-Il Turbine Co., Ltd., Dongguk University Industry-Academic Cooperation FoundationInventors: Myung Ho Song, Yong Seok Yoon, Hye Jung Hong, Jung Huyk Ahn, Mun Keun Ha, Seok Ku Jeon, Hoon Ahn, Ta Kwan Woo
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Publication number: 20160130517Abstract: Disclosed are a device and a method for manufacturing a natural gas hydrate. Provided is the device for manufacturing a natural gas hydrate comprising: an ice slurry generation unit for preparing ice slurry having 13-20% of ice at normal pressure; a first pipe, having one end connected to the ice slurry generation unit for withdrawing the ice slurry from the ice slurry generation unit, and in which a high-pressure pump for increasing pressure on the ice slurry is interposed; a hydrate preparation reactor, which is connected to the other end of the first pipe so as to receive the pressurized ice slurry, and to which natural gas is supplied and mixed, for generating natural gas hydrate slurry; a second pipe, having one end connected to the hydrate preparation reactor, for withdrawing the natural gas hydrate slurry; and a dehydrating portion, which is connected to the other end of the second pipe, for dehydrating the natural gas hydrate slurry.Type: ApplicationFiled: January 15, 2016Publication date: May 12, 2016Inventors: Myung Ho Song, Yong Seok Yoon, Hye Jung Hong, Jung Huyk Ahn, Mun Keun Ha, Seok Ku Jeon, Hoon Ahn, Ta Kwan Woo
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Patent number: 9308507Abstract: Disclosed is a device for revaporizing natural gas. Provided is a device for revaporizing natural gas hydrate pellets, comprising: a pellet charging portion for charging pellets which is formed with an upper valve and a lower valve so as to divide space for adjusting pressure; a storing portion, which communicates with the lower portion of the pellet charging portion, for receiving pellets when the lower valve is opened; a transfer screw, one end of which couples to the lower portion of the storing portion, for transferring the pellets in the storing portion; and a dissolving reaction tub, which is coupled to the other end of the transfer screw, receives pellets from the lower portion of the dissolving reaction tub, and which accommodates heating water.Type: GrantFiled: August 23, 2010Date of Patent: April 12, 2016Assignees: Dongguk University Industry-Academic Cooperation Foundation, Samsung Heavy Ind. Co., Ltd., Hyundai Engineering Co., Ltd., Sung-Il Turbine Co., Ltd., Daewoo Engineering & Construction Co., Ltd.Inventors: Myung Ho Song, Yong Seok Yoon, Hye Jung Hong, Jung Huyk Ahn, Mun Keun Ha, Seok Ku Jeon, Hoon Ahn, Ta Kwan Woo
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Patent number: 9255234Abstract: Disclosed are a device and a method for manufacturing a natural gas hydrate. Provided is the device for manufacturing a natural gas hydrate comprising: an ice slurry generation unit for preparing ice slurry having 13-20% of ice at normal pressure; a first pipe, having one end connected to the ice slurry generation unit for withdrawing the ice slurry from the ice slurry generation unit, and in which a high-pressure pump for increasing pressure on the ice slurry is interposed; a hydrate preparation reactor, which is connected to the other end of the first pipe so as to receive the pressurized ice slurry, and to which natural gas is supplied and mixed, for generating natural gas hydrate slurry; a second pipe, having one end connected to the hydrate preparation reactor, for withdrawing the natural gas hydrate slurry; and a dehydrating portion, which is connected to the other end of the second pipe, for dehydrating the natural gas hydrate slurry.Type: GrantFiled: August 23, 2010Date of Patent: February 9, 2016Assignees: Dongguk University Industry-Academic Cooperation Foundation, Sung-II Turbine Co., Ltd., Samsung Heavy Ind. Co., Ltd., Daewoo Engineering & Construction Co., Ltd., Hyundai Engineering Co., Ltd.Inventors: Myung Ho Song, Yong Seok Yoon, Hye Jung Hong, Jung Huyk Ahn, Mun Keun Ha, Seok Ku Jeon, Hoon Ahn, Ta Kwan Woo
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Patent number: 8486340Abstract: Disclosed herein is an apparatus for continuously producing and pelletizing gas hydrates. The apparatus includes a gas supply unit, a water supply unit and a reactor. Gas and water are respectively supplied from the gas supply unit and the water supply unit into the reactor. The gas and water react with each other in the reactor. The reactor includes a dual cylinder unit which forms a gas hydrate in such a way as to squeeze a slurry of reaction water formed by the reaction between the gas and water. The dual cylinder unit includes an upper cylinder, a lower cylinder and a connection pipe which connects the upper cylinder to the lower cylinder. The connection pipe has passing holes through which the reaction water in the reactor flows into and out of the connection pipe.Type: GrantFiled: May 10, 2010Date of Patent: July 16, 2013Assignees: Korea Institute of Industrial Technology, Samsung Heavy Industries Co., Ltd., Hyundai Engineering Co., Ltd., Daewoo Engineering & Construction Co., Ltd., Sungilturbine Co., Ltd.Inventors: Ju Dong Lee, Hyoung Jae Kim, Sung Ryul Kim, Sang Yeon Hong, Hye Ok Park, Mun Keun Ha, Seok Ku Jeon, Hoon Ahn, Ta Kwan Woo
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Publication number: 20130158306Abstract: Disclosed are a device and a method for manufacturing a natural gas hydrate. Provided is the device for manufacturing a natural gas hydrate comprising: an ice slurry generation unit for preparing ice slurry having 13-20% of ice at normal pressure; a first pipe, having one end connected to the ice slurry generation unit for withdrawing the ice slurry from the ice slurry generation unit, and in which a high-pressure pump for increasing pressure on the ice slurry is interposed; a hydrate preparation reactor, which is connected to the other end of the first pipe so as to receive the pressurized ice slurry, and to which natural gas is supplied and mixed, for generating natural gas hydrate slurry; a second pipe, having one end connected to the hydrate preparation reactor, for withdrawing the natural gas hydrate slurry; and a dehydrating portion, which is connected to the other end of the second pipe, for dehydrating the natural gas hydrate slurry.Type: ApplicationFiled: August 23, 2010Publication date: June 20, 2013Applicant: Daewoo Enginerring & Construction Co., Ltd.Inventors: Myung Ho Song, Yong Seok Yoon, Hye Jung Hong, Jung Huyk Ahn, Mun Keun Ha, Seok Ku Jeon, Hoon Ahn, Ta Kwan Woo
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Publication number: 20130149212Abstract: Disclosed is a device for revaporizing natural gas. Provided is a device for revaporizing natural gas hydrate pellets, comprising: a pellet charging portion for charging pellets which is formed with an upper valve and a lower valve so as to divide space for adjusting pressure; a storing portion, which communicates with the lower portion of the pellet charging portion, for receiving pellets when the lower valve is opened; a transfer screw, one end of which couples to the lower portion of the storing portion, for transferring the pellets in the storing portion; and a dissolving reaction tub, which is coupled to the other end of the transfer screw, receives pellets from the lower portion of the dissolving reaction tub, and which accommodates heating water.Type: ApplicationFiled: August 23, 2010Publication date: June 13, 2013Inventors: Myung Ho Song, Yong Seok Yoon, Hye Jung Hong, Jung Huyk Ahn, Mun Keun Ha, Seok Ku Jeon, Hoon Ahn, Ta Kwan Woo
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Patent number: 8367880Abstract: Disclosed herein is an apparatus and method for continuously producing and dehydrating gas hydrates. The apparatus includes a gas source, a water source, a reactor, a spinning wheel, and a centrifugal separator. The gas source and the water source are connected to the reactor. Gas and water are respectively supplied from the gas source and the water source into the reactor and react with each other in the reactor to form gas hydrate slurry. The spinning wheel and the centrifugal separator are provided in the reactor. The spinning wheel supplies the formed gas hydrate slurry to the centrifugal separator. The centrifugal separator dehydrates the gas hydrate slurry. Water removed from the gas hydrate slurry by the dehydration of the centrifugal separator is re-supplied into the reactor.Type: GrantFiled: May 24, 2010Date of Patent: February 5, 2013Assignees: Korea Institute of Industrial Technology, Samsung Heavy Industries Co., Ltd., Hyundai Engineering Co., Ltd., Daewood Engineering & Construction Co., Ltd., Sungilturbine Co., Ltd.Inventors: Ju Dong Lee, Jin Woo Lee, Kyung Chan Kang, Kyeong Nam Park, Mun Keun Ha, Seok Ku Jeon, Hoon Ahn, Ta Kwan Woo
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Publication number: 20110263913Abstract: Disclosed herein is an apparatus and method for continuously producing and dehydrating gas hydrates. The apparatus includes a gas source, a water source, a reactor, a spinning wheel, and a centrifugal separator. The gas source and the water source are connected to the reactor. Gas and water are respectively supplied from the gas source and the water source into the reactor and react with each other in the reactor to form gas hydrate slurry. The spinning wheel and the centrifugal separator are provided in the reactor. The spinning wheel supplies the formed gas hydrate slurry to the centrifugal separator. The centrifugal separator dehydrates the gas hydrate slurry. Water removed from the gas hydrate slurry by the dehydration of the centrifugal separator is re-supplied into the reactor.Type: ApplicationFiled: May 24, 2010Publication date: October 27, 2011Applicants: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY, SAMSUNG HEAVY INDUSTRIES CO., LTD., SUNG IL CO., LTD. (SIM), DAEWOO ENGINEERING & CONSTRUCTION CO., LTD., HYUNDAI ENGINEERING CO., LTD.Inventors: Ju Dong Lee, Jin Woo Lee, Kyung Chan Kang, Kyeong Nam Park, Mun Keun Ha, Seok Ku Jeon, Hoon Ahn, Ta Kwan Woo
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Publication number: 20110064643Abstract: Disclosed herein is an apparatus for continuously producing and pelletizing gas hydrates. The apparatus includes a gas supply unit, a water supply unit and a reactor. Gas and water are respectively supplied from the gas supply unit and the water supply unit into the reactor. The gas and water react with each other in the reactor. The reactor includes a dual cylinder unit which forms a gas hydrate in such a way as to squeeze a slurry of reaction water formed by the reaction between the gas and water. The dual cylinder unit includes an upper cylinder, a lower cylinder and a connection pipe which connects the upper cylinder to the lower cylinder. The connection pipe has passing holes through which the reaction water in the reactor flows into and out of the connection pipe.Type: ApplicationFiled: May 10, 2010Publication date: March 17, 2011Applicants: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY, SAMSUNG HEAVY INDUSTRIES CO., LTD., HYUNDAI ENGINEERING CO., LTD., DAEWOO ENGINEERING & CONSTRUCTION CO., LTD., SUNG IL CO., LTD (SIM)Inventors: Ju Dong LEE, Hyoung Jae Kim, Sung Ryul Kim, Sang Yeon Hong, Hye Ok Park, Mun Keun Ha, Seok Ku Jeon, Hoon Ahn, Ta Kwan Woo
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Publication number: 20100089072Abstract: A fuel supply apparatus of a liquefied gas carrier includes: a compressor for compressing gas fuel into a high pressure; a compressed gas storage tank being filled with the compressed high-pressure gas fuel, for storing the gas fuel; and a decompressor for decompressing the high-pressure gas fuel drawn from the compressed gas storage tank into a pressure suitable to be used in a propulsion system, to supply fuel to the propulsion system. The gas fuel is at least one of a natural boiled-off gas which is naturally evaporated in the cargo tank, a forced boiled-off gas which is artificially evaporated, and a gas additionally supplied for the use of fuel. Further, the compressor is a multistage high-pressure compressor and the decompressor is a multistage decompressor.Type: ApplicationFiled: November 18, 2007Publication date: April 15, 2010Applicant: Samsung Heavy Ind. Co., Ltd.Inventors: Joong-nam Lee, Ki-hun Joh, Ho-byung Yoon, Mun-keun Ha, Kyu-dong Jung
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Apparatus and method for decreasing drag force by controlling turbulent flow on hull surface of ship
Patent number: 6659030Abstract: The present invention relates to an apparatus and method for decreasing drag force by controlling turbulent flow in a hull surface of a ship. The method and apparatus according to the present invention are directed to sucking and ejecting the fluid flowing along a hull surface of a ship, varying the turbulent field of the turbulent flow, controlling the ejection angle with respect to the hull surface and decreasing the friction resistance by providing a pipe housing which is installed in a hull surface of a ship and includes a plurality of slits, a flexible air pipe which is installed in the interior of the pipe housing and performs contracting and expanding operation based on air pumping operation, and a pump which is installed in the hull for contracting and expanding the air pipe and providing air to the air pipe.Type: GrantFiled: March 29, 2002Date of Patent: December 9, 2003Assignees: Korea Advanced Institute of Science and Technology, Samsung Heavy Industries Co., Ltd.Inventors: Mun-Keun Ha, Hyung-Jin Sung, Bu-Geun Back -
Apparatus and method for decreasing drag force by controlling turbulent flow on hull surface of ship
Publication number: 20020166491Abstract: The present invention relates to an apparatus and method for decreasing drag force by controlling turbulent flow in a hull surface of a ship. The method and apparatus according to the present invention are directed to sucking and ejecting the fluid flowing along a hull surface of a ship, varying the turbulent field of the turbulent flow, controlling the ejection angle with respect to the hull surface and decreasing the friction resistance by providing a pipe housing which is installed in a hull surface of a ship and includes a plurality of slits, a flexible air pipe which is installed in the interior of the pipe housing and performs contracting and expanding operation based on air pumping operation, and a pump which is installed in the hull for contracting and expanding the air pipe and providing air to the air pipe.Type: ApplicationFiled: March 29, 2002Publication date: November 14, 2002Inventors: Mun-Keun Ha, Hyung-Jin Sung, Bu-Geun Back