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    • 3. 发明公开
    • COLD ENERGY RECOVERY FACILITY AND MARINE VESSEL
    • US20230251031A1
    • 2023-08-10
    • US18107345
    • 2023-02-08
    • MITSUBISHI HEAVY INDUSTRIES, LTD.
    • Toshimitsu TANAKARyo TAKATA
    • F25J1/00B63B25/16
    • F25J1/001B63B25/16F25J1/005F25J2290/70F25J2270/16
    • 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.
    • 4. 发明公开
    • FIRE EXTINGUISHING EQUIPMENT
    • US20230271043A1
    • 2023-08-31
    • US18103001
    • 2023-01-30
    • MITSUBISHI HEAVY INDUSTRIES, LTD.
    • Toshimitsu TANAKARyo TAKATA
    • A62C35/60A62C35/64F01K25/08
    • A62C35/60A62C35/64F01K25/08A62C3/16
    • 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.