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公开(公告)号：US20220185441A1
公开(公告)日：2022-06-16
申请号：US17607263
申请日：2020-01-23
发明人： Hyuk KWON , Su Kyung AN , Seung Woo JEONG , Min Cheol RYU , Geum Jun GANG
摘要： The present invention provides a fuel supply system, for an eco-friendly ship, which selectively uses an existing fuel and an ammonia fuel or uses a mixture thereof as a fuel for a propulsion engine and a power generation engine of a ship so as to follow ship greenhouse gas regulations to be reinforced in phases at major points until 2050.
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公开(公告)号：US20200079485A1
公开(公告)日：2020-03-12
申请号：US16681664
申请日：2019-11-12
发明人： Hyun Jun Shin , Dong Kyu CHOI , Young Sik MOON , Su Kyung AN , Joon Chae LEE
摘要： A system for reliquefying a boil off gas generated in a storage tank includes a first compressor compressing a partial amount (hereinafter, referred to as ‘fluid a’) of boil off gas discharged from the storage tank, a second compressor compressing another partial amount (hereinafter, referred to as ‘fluid b’) of boil off gas discharged from the storage tank, a second expanding unit expanding a partial amount (hereinafter, referred to as ‘fluid c’) of a flow formed as the fluid a and the fluid b join, a heat-exchanger cooling another partial amount (hereinafter, referred to as ‘fluid d’) of the flow formed as the fluid a and the fluid b join, and a first expanding unit expanding the fluid d cooled by the heat-exchanger, wherein the heat-exchanger heat-exchanges the fluid d with the fluid c as a coolant expanded by the second expanding unit to cool the fluid d.
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公开(公告)号：US20180170506A1
公开(公告)日：2018-06-21
申请号：US15579581
申请日：2016-04-05
发明人： Hyun Jun SHIN , Dong Kyu CHOI , Young Sik MOON , Su Kyung AN , Hyun Min JANG , Jae Wook SON , Joon Chae LEE
摘要： A ship includes: a boil-off gas heat exchanger which is installed on a downstream of a storage tank and heat-exchanges a compressed boil-off gas (“a first fluid”) by a boil-off gas discharged from the storage tank as a refrigerant to cool the boil-off gas; a compressor installed on a downstream of the boil-off gas heat exchanger and compresses a part of the boil-off gas from the storage tank; an extra compressor which is installed on a downstream of the boil-off gas heat exchanger and in parallel with the compressor and compresses the other part of the boil-off gas from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid; and a refrigerant decompressing device which expands a second fluid, which is sent to the refrigerant heat exchanger, and then sends the second fluid back to the refrigerant heat exchanger.
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公开(公告)号：US20180170504A1
公开(公告)日：2018-06-21
申请号：US15579568
申请日：2016-04-05
发明人： Hyun Jun SHIN , Dong Kyu CHOI , Young Sik MOON , Su Kyung AN , Hyun Min JANG , Jae Wook SON , Joon Chae LEE
摘要： A ship includes: a boil-off gas heat exchanger installed on a downstream of a storage tank and heat-exchanges a compressed boil-off gas (“a first fluid”) by a boil-off gas discharged from the storage tank as a refrigerant, to cool the boil-off gas; a compressor installed on a downstream of the boil-off gas heat exchanger and compresses a part of the boil-off gas discharged from the storage tank; an extra compressor installed on a downstream of the boil-off gas heat exchanger and in parallel with the compressor and compresses the other part of the boil-off gas discharged from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid which is cooled by the boil-off gas heat exchanger; and a refrigerant decompressing device which expands a second fluid, which is sent to the refrigerant heat exchanger, and then sends the second fluid back to the refrigerant heat exchanger.
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公开(公告)号：US20210129970A1
公开(公告)日：2021-05-06
申请号：US17148182
申请日：2021-01-13
发明人： Hyun Jun SHIN , Su Kyung AN , Seung Chul LEE
摘要： Disclosed is a re-liquefying device using a boil-off gas as a cooling fluid so as to reliquefy the boil-off gas generated from a liquefied gas storage tank provided in a ship. A boil-off gas re-liquefying device for a ship comprises: a multi-stage compression unit for compressing boil-off gas generated from a liquefied gas storage tank; a heat exchanger in which the boil-off gas generated from the storage tank and the boil-off gas compressed exchange heat; a vaporizer for heat exchanging the boil-off gas cooled by the heat exchanger and a separate liquefied gas supplied to a fuel demand source of a ship, and thus cooling the boil-off gas; an intermediate cooler for cooling the boil-off gas that has been cooled by the heat exchanger; and an expansion means for branching a part of the boil-off gas, which is supplied to the intermediate cooler, and expanding the same.
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公开(公告)号：US20180170507A1
公开(公告)日：2018-06-21
申请号：US15579582
申请日：2016-04-05
发明人： Hyun Jun SHIN , Dong Kyu CHOI , Young Sik MOON , Su Kyung AN , Hyun Min JANG , Jae Wook SON , Joon Chae LEE
CPC分类号： B63H21/38 , B63B25/16 , B63J2099/003 , F02M21/0215 , F02M21/0287 , F17C6/00 , F17C9/02 , F17C2221/033 , F17C2223/0161 , F17C2223/033 , F17C2227/0185 , F17C2227/0339 , F17C2227/0358 , F17C2265/03 , F17C2265/037 , F17C2265/066 , F17C2270/0105 , F25J1/0025 , F25J1/0037 , F25J1/004 , F25J1/0045 , F25J1/0202 , F25J1/023 , F25J1/0249 , F25J1/0277 , F25J1/0288 , F25J1/0294 , F25J2290/72 , Y02T10/32
摘要： A ship includes: a boil-off gas heat exchanger which heat-exchanges a compressed boil-off gas (“a first fluid”) by means of a boil-off gas discharged from the storage tank as a refrigerant; a compressor installed on the downstream of the boil-off gas heat exchanger and compressing a part of the boil-off gas discharged from the storage tank; first and second extra compressors provided in parallel with the compressor on the downstream of the boil-off gas heat exchanger and compressing the other part of the boil-off gas discharged from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid cooled by means of the boil-off gas heat exchanger; a refrigerant decompressing device which expands a second fluid, which has been sent to the refrigerant heat exchanger and cooled by means of the refrigerant heat exchanger, and then sending the expanded second fluid back to the refrigerant heat exchanger.
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公开(公告)号：US20180170503A1
公开(公告)日：2018-06-21
申请号：US15579558
申请日：2016-04-05
发明人： Hyun Jun SHIN , Dong Kyu CHOI , Young Sik MOON , Su Kyung AN , Hyun Min JANG , Jae Wook SON , Joon Chae LEE
CPC分类号： B63H21/38 , B63B25/16 , F02M21/02 , F02M21/0215 , F02M21/0287 , F17C6/00 , F17C9/02 , F17C2221/033 , F17C2227/0185 , F17C2227/0339 , F17C2227/0358 , F17C2265/017 , F17C2265/03 , F17C2265/033 , F17C2265/036 , F17C2265/037 , F17C2265/038 , F17C2265/066 , F17C2270/0105 , F25J1/0025 , F25J1/0037 , F25J1/004 , F25J1/0202 , F25J1/023 , F25J1/0277 , F25J1/0294 , Y02T10/32
摘要： A ship including a storage tank for storing a liquefied gas includes: a boil-off gas (BOG) heat exchanger installed on a downstream of a storage tank and heat-exchanges a compressed BOG (“a first fluid”) by a BOG discharged from the storage tank as a refrigerant, to cool the BOG; a compressor installed on a downstream of the BOG heat exchanger and compresses a part of the BOG discharged from the storage tank; an extra compressor installed on a downstream of the BOG heat exchanger and in parallel with the compressor and compresses the other part of the BOG discharged from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid cooled by the BOG heat exchanger; and a refrigerant decompressing device which expands a second fluid sent to the refrigerant heat exchanger, and then sends the second fluid back to the refrigerant heat exchanger.
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公开(公告)号：US20210061434A1
公开(公告)日：2021-03-04
申请号：US17084359
申请日：2020-10-29
发明人： Hyun Jun SHIN , Su Kyung AN , Seung Chul LEE
摘要： Disclosed is a re-liquefying device using a boil-off gas as a cooling fluid so as to re-liquefy the boil-off gas generated from a liquefied gas storage tank provided in a ship. A boil-off gas re-liquefying device for a ship comprises: a multi-stage compression unit for compressing boil-off gas generated from a liquefied gas storage tank; a heat exchanger in which the boil-off gas generated from the storage tank and the boil-off gas compressed exchange heat; a vaporizer for heat exchanging the boil-off gas cooled by the heat exchanger and a separate liquefied gas supplied to a fuel demand source of a ship, and thus cooling the boil-off gas; an intermediate cooler for cooling the boil-off gas that has been cooled by the heat exchanger; and an expansion means for branching a part of the boil-off gas, which is supplied to the intermediate cooler, and expanding the same.
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公开(公告)号：US20190249829A1
公开(公告)日：2019-08-15
申请号：US16342881
申请日：2017-10-18
发明人： Su Kyung AN , Du Hyeon CHO
CPC分类号： F17C9/02 , F17C13/04 , F17C2221/033 , F17C2223/0161 , F17C2227/0135 , F17C2227/0393 , F17C2250/0408 , F17C2250/0626 , F17C2265/05
摘要： A liquefied gas regasification system and a method of operating the same, and, more particularly to a liquefied gas regasification system which can smoothly supply re-gasified liquefied gas to a gas consumer, and a method of operating the same are disclosed. The liquefied gas regasification system includes: a supply pump discharging liquefied gas from a liquefied gas storage tank; a high-pressure pump receiving liquefied gas from the liquefied gas storage tank and compressing the liquefied gas; and a fourth liquefied gas supply line connecting the supply pump to the high-pressure pump, wherein the supply pump is directly connected to the high-pressure pump through the fourth liquefied gas supply line, such that liquefied gas is directly supplied to the high-pressure pump by the supply pump.
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公开(公告)号：US20190112008A1
公开(公告)日：2019-04-18
申请号：US16090115
申请日：2016-09-03
发明人： Hyun Jun SHIN , Su Kyung AN , Seung Chul LEE
摘要： Disclosed is a re-liquefying device using a boil-off gas as a cooling fluid so as to re-liquefy the boil-off gas generated from a liquefied gas storage tank provided in a ship. A boil-off gas re-liquefying device for a ship comprises: a multi-stage compression unit for compressing boil-off gas generated from a liquefied gas storage tank; a heat exchanger in which the boil-off gas generated from the storage tank and the boil-off gas compressed exchange heat; a vaporizer for heat exchanging the boil-off gas cooled by the heat exchanger and a separate liquefied gas supplied to a fuel demand source of a ship, and thus cooling the boil-off gas; an intermediate cooler for cooling the boil-off gas that has been cooled by the heat exchanger; and an expansion means for branching a part of the boil-off gas, which is supplied to the intermediate cooler, and expanding the same.
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