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1. 发明公开

US20230250922A1 COLD RECOVERY FACILITY AND MARINE VESSEL 审中-公开
公开(公告)号：US20230250922A1
公开(公告)日：2023-08-10
申请号：US18107192
申请日：2023-02-08
申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.
发明人： Toshimitsu TANAKA , Ryo TAKATA
IPC分类号： F17C7/04 , B63B25/14 , F02M21/02
CPC分类号： F17C7/04 , B63B25/14 , F02M21/0224 , F17C2223/0153 , F17C2227/0309 , F17C2227/0135 , F17C2227/0341 , F17C2205/0352 , F17C2270/0105 , F17C2265/066 , F17C2221/012 , F17C2221/033 , F17C2205/0323 , F02M21/0209
摘要： A cold recovery facility includes: a first fuel tank configured to store a first fuel in liquid state; a second fuel tank configured to store a second fuel in liquid state having a liquefaction temperature higher than the liquefaction temperature of the first fuel; a first circuit configured to circulate a first medium; a first expansion turbine provided on the first circuit and configured to expand the first medium in gaseous state; a first heat exchanger provided downstream of the first expansion turbine on the first circuit and configured to condense the first medium; a pump provided downstream of the first heat exchanger on the first circuit and configured to boost the first medium; a second heat exchanger provided downstream of the pump on the first circuit and configured to vaporize the first medium; and a third heat exchanger provided downstream of the second heat exchanger and upstream of the first expansion turbine on the first circuit, wherein the first heat exchanger is configured to vaporize the first fuel by heat exchange between the first fuel in liquid state from the first fuel tank and the first medium, and the third heat exchanger is configured to vaporize the second fuel by heat exchange between the second fuel in liquid state from the second fuel tank and the first medium.

2. 发明公开

US20230251031A1 COLD ENERGY RECOVERY FACILITY AND MARINE VESSEL 审中-公开
公开(公告)号：US20230251031A1
公开(公告)日：2023-08-10
申请号：US18107345
申请日：2023-02-08
申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.
发明人： Toshimitsu TANAKA , Ryo TAKATA
IPC分类号： F25J1/00 , B63B25/16
CPC分类号： F25J1/001 , B63B25/16 , F25J1/005 , F25J2290/70 , F25J2270/16
摘要： A cold energy recovery facility includes a liquid hydrogen tank configured to store liquid hydrogen a first circuit configured to circulate a first working medium, a second circuit configured to circulate a second working medium having a freezing point higher than the first working medium, a first turboexpander provided in the first circuit, the first turboexpander being configured to be driven by the first working medium in a gas state, a second turboexpander provided in the second circuit, the second turboexpander being configured to be driven by the second working medium in a gas state, a first heat exchanger configured to vaporize the liquid hydrogen from the liquid hydrogen tank by heat exchange with the first working medium, a second heat exchanger configured to vaporize the first working medium in a liquid state by heat exchange with the second working medium, and a third heat exchanger configured to vaporize the second working medium in a liquid state by heat exchange with a heat medium, wherein the first circuit and the first turboexpander form a part of a first thermodynamic cycle that uses the liquid hydrogen as a low-temperature heat source in the first heat exchanger, and the second circuit and the second turboexpander form a part of a second thermodynamic cycle that uses the first working medium as a low-temperature heat source in the second heat exchanger.

3. 发明公开

US20230251002A1 COLD HEAT RECOVERY SYSTEM AND MARINE VESSEL OR FLOATING BODY 审中-公开
公开(公告)号：US20230251002A1
公开(公告)日：2023-08-10
申请号：US18107337
申请日：2023-02-08
申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.
发明人： Toshimitsu TANAKA , Ryo TAKATA
IPC分类号： F25B30/06 , F25B19/00 , F25B41/20 , B63B25/14 , F17C9/04
CPC分类号： F25B30/06 , F25B19/005 , F25B41/20 , B63B25/14 , F17C9/04 , F17C2223/0153 , F17C2205/0352 , F17C2227/0323 , F17C2265/066 , F17C2227/0135 , F17C2205/0323 , F17C2221/012 , F17C2221/033 , F17C2270/0102 , F17C2227/0355
摘要： A cold heat recovery system includes a first cold heat recovery cycle including a first expansion turbine and configured to circulate a first heat medium, a second cold heat recovery cycle including a second expansion turbine and configured to circulate a second heat medium, a first heat exchanger provided on a downstream side of the first expansion turbine on the first cold heat recovery cycle and configured to transfer cold energy from a first fuel to the first heat medium, a second heat exchanger configured to transfer cold energy from a second fuel to the first fuel flowing on a downstream side of the first heat exchanger and reliquefy the first fuel, and a third heat exchanger provided on a downstream side of the second expansion turbine on the second cold heat recovery cycle and configured to transfer cold energy to the second heat medium from the first fuel flowing on a downstream side of the second heat exchanger.

4. 发明公开

US20230271043A1 FIRE EXTINGUISHING EQUIPMENT 审中-公开
公开(公告)号：US20230271043A1
公开(公告)日：2023-08-31
申请号：US18103001
申请日：2023-01-30
申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.
发明人： Toshimitsu TANAKA , Ryo TAKATA
IPC分类号： A62C35/60 , A62C35/64 , F01K25/08
CPC分类号： A62C35/60 , A62C35/64 , F01K25/08 , A62C3/16
摘要： Fire extinguishing equipment includes an ORC cycle configured to circulate a fire extinguishing agent as a working medium and at least one fire extinguishing agent supply line. The ORC cycle includes a condenser provided on the ORC cycle and configured to liquefy a gaseous fire extinguishing agent that is the fire extinguishing agent in a gas state, a booster pump provided on a downstream side of the condenser on the ORC cycle and configured to pressurize a liquid fire extinguishing agent obtained by liquefying the gaseous fire extinguishing agent in the condenser, a vaporizer provided on a downstream side of the booster pump on the ORC cycle and configured to vaporize the liquid fire extinguishing agent, and an expansion turbine provided on a downstream side of the vaporizer and on an upstream side of the condenser on the ORC cycle and configured to be driven by a gaseous fire extinguishing agent obtained by vaporizing the liquid fire extinguishing agent. The at least one fire extinguishing agent supply line is configured to extract at least one of the liquid fire extinguishing agent or the gaseous fire extinguishing agent from the ORC cycle and supply the at least one of the liquid fire extinguishing agent or the gaseous fire extinguishing agent to at least one fire prevention object.

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