F17C2265/037

GAS SUPPLY SYSTEM FOR HIGH- AND LOW-PRESSURE GAS-CONSUMING APPARATUSES AND METHOD OF CONTROLLING SUCH A SYSTEM

A system supplies gas to a high-pressure gas-consuming apparatus and a low-pressure gas-consuming apparatus of a floating structure including a tank. The supply system includes: a first supply circuit, a second supply circuit, a return line, a first heat exchanger and a second heat exchanger. The return line includes a flow-regulating member. The supply system includes a device for managing the supply system which includes a control module to control the flow-regulating member based on the characteristics of the gas.

Reliquefaction device
11754337 · 2023-09-12 · ·

Provided is a reliquefaction device with which a gas gasified from a liquid can be efficiently reliquefied. A plurality of flow passages include: a mixing flow passage which is connected to the downstream end section of one among a liquid flow passage and a gas flow passage and allows a fluid mixture to flow so that a reliquefaction promoting liquid flowing through the liquid flow passage and a reliquefaction target gas flowing through the gas flow passage are mixed and the reliquefaction of the reliquefaction target gas is promoted by direct heat exchange; and a gas cooling flow passage which allows a coolant to flow and cool the reliquefaction target gas by indirect heat exchange with the reliquefaction target gas through a separation wall, thereby suppressing the gasification of the reliquefaction promoting liquid when the reliquefaction target gas is mixed with the reliquefaction promoting liquid flowing through the liquid flow passage.

Diagnosis method using laser induced breakdown spectroscopy and diagnosis device performing the same
11422033 · 2022-08-23 · ·

Disclosed herein are a method for diagnosing a disease of a body tissue by using LIBS (Laser-Induced Breakdown Spectroscopy) comprising: preparing a laser device including: a laser projection module, outputting the laser to a suspicious region of the body tissue, a light receiving module, receiving a plurality of light, a spectrum measurement module, and a guide unit; and projecting the laser to generate plasma by inducing tissue ablation in the suspicious region; wherein the laser projected to the suspicious region has a target area, and wherein the target area has smaller size than the suspicious region such that the target area is located inside the suspicious region.

Method and apparatus for transferring liquid cargo in pressurization type
11383794 · 2022-07-12 · ·

The present disclosure provides an apparatus for transferring a liquid cargo. The apparatus for transferring a liquid cargo according to an embodiment of the inventive concept may include a liquid cargo transfer line connected to a liquid cargo storage tank, a drum connected to the liquid cargo transfer line and providing a space for storing a liquid cargo, and a pressing unit for pressing the liquid cargo storage tank so that the liquid cargo stored in the liquid cargo storage tank is supplied to the drum through the liquid cargo transfer line.

Passive cryogen storage system

A passive insulating tank support structure includes a first interface ring mounted to a first tank, a first support ring surrounding and spaced apart from the first interface ring, a second interface ring mounted to a second tank, a plurality of first struts coupling the first and second interface rings, a plurality of second struts coupling the first support ring and second interface ring, a plurality of third struts coupling the first support ring and a first heat source, a third interface ring mounted to the second tank, and a plurality of fourth struts coupling the third interface ring and a second heat source.

Boil-off gas supply device

A boil-off gas supply device is provided with: a storage tank configured to store a liquefied gas; a first compression mechanism configured to suck in the boil-off gas of the liquefied gas stored in the storage tank and compress the sucked boil-off gas; a second compression mechanism configured to compress the boil-off gas after being compressed by the first compression mechanism; a discharge path in which the boil-off gas discharged from the second compression mechanism flows; a first drive source configured to drive the first compression mechanism; and a second drive source that is different from the first drive source and configured to drive the second compression mechanism.

Calculation of remaining usage time of a gas cylinder
11268656 · 2022-03-08 · ·

A method for calculating the remaining usage time of a gas cylinder equipped with a pressure reducer, the method comprising the following steps: (a) measuring the pressure of the gas in the cylin-der; (b) calculating the variation of pressure of the gas in the cylinder over time while gas is out-putted; (c) calculating a remaining usage time Tr based on the measured pressure in the cylinder and the calculated variation of pressure. Step (c) takes into account characteristics of the pressure reducer relative to variations of its nominal flow rate along the decrease of its inlet pressure while emptying the cylinder.

DEVICE AND METHOD FOR FILLING WITH LIQUEFIED GAS

Device for filling with liquefied gas comprising a fluid circuit provided with a first pipe for liquid transfer comprising a first end that is intended to be connected to a source of liquefied gas and a second end that is intended to be connected to a tank to be filled, a second pipe for gas transfer comprising a first end that is intended to be connected to the source of liquefied gas and a second end that is intended to be connected to said tank to be filled, the circuit comprising at least one third transfer pipe connecting the first and second transfer pipes, and a vent device connected to the first and second transfer pipes via a set of one or more safety valves, the circuit comprising a set of one or more valves for controlling the streams of fluid in the pipes of the circuit, the device comprising a system for gas flushing of the circuit, characterized in that the flushing system comprises a first source of pressurized gas, and a first set of one or more flushing pipes connecting the first source of pressurized gas in parallel both to the first and second transfer pipes via a set of one or more valves.

Ship

A ship comprises: a tank; a multistage compressor for compressing a boil-off gas discharged from a storage tank and comprising a plurality of compression cylinders; a first heat exchanger for heat exchanging a fluid, which has been compressed by the multistage compressor, with the boil-off gas discharged from the storage tank and thus cooling the same; a first decompressing device for expanding a flow (“flow a1”) partially branched from the flow (“flow a”) that has been cooled by the first heat exchanger; a third heat exchanger for heat exchanging, by “flow a1” which has been expanded by the first decompressing device as a refrigerant, the remaining flow (“flow a2”) of “flow a” after excluding “flow a1” that has been branched and thus cooling the same; and a second decompressing device for expanding “flow a2” which has been cooled by the third heat exchanger.

METHOD AND FACILITY FOR STORING AND DISTRIBUTING LIQUEFIED HYDROGEN

The invention relates to a method for storing and distributing liquefied hydrogen using a facility that comprises a store of liquid hydrogen at a predetermined storage pressure, a source of hydrogen gas, a liquefier comprising an inlet connected to the source and an outlet connected to the liquid hydrogen store, the store comprising a pipe for drawing liquid, comprising one end connected to the liquid hydrogen store and one end intended for being connected to at least one mobile tank, the method comprising a step of liquefying hydrogen gas supplied by the source and a step of transferring the liquefied hydrogen into the store characterized in that the hydrogen liquefied by the liquefier and transferred into the store has a temperature lower than the bubble temperature of hydrogen at the storage pressure.