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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 2523. Отображено 100.
20-01-2009 дата публикации

СИСТЕМА ФОРМИРОВАНИЯ РЕЗЕРВНОГО КОЛИЧЕСТВА ПРИРОДНОГО ГАЗА

Номер: RU0000079974U1

1. Система формирования резервного количества природного газа, содержащая установленную перед газораспределительной станцией магистрального газопровода установку сжижения природного газа, соединенную с расположенной после нее по меньшей мере одной накопительной резервной емкостью для хранения сжиженного природного газа, которая соединена с регазификатором, в свою очередь соединенным через регулятор давления с газораспределительной сетью, при этом перед накопительной резервной емкостью для хранения сжиженного природного газа расположено первое запорное устройство, закрываемое при достижении максимального количества сжиженного природного газа в указанной емкости, а после регулятора давления расположено второе запорное устройство, открываемое во время максимального потребления газа. 2. Система по п.1, в которой установка сжижения природного газа выполнена на базе энергии перепада давления на газораспределительной станции. 3. Система по п.2, в которой указанная установка сжижения природного газа состоит из блока осушки газа с адсорберами, турбодетандера - компрессорного агрегата, теплообменников и сборника-сепаратора. 4. Система по п.1, в которой резервная емкость представляет собой резервуар длительного хранения, надземного или подземного исполнения, выполненный с возможностью обеспечения потребителя сжиженным природным газом в холодный период года. 5. Система по п.1, которая содержит дополнительные запорные устройства, установленные на других технологических линиях системы, в зависимости от расположения оборудования и конкретного технического задания. 6. Система по п.1 или 5, в которой каждое из указанных основных и/или дополнительных запорных устройств представляет собой электромагнитный клапан. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 79 974 U1 (51) МПК F17C 6/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2008137479/22, 18.09.2008 (24) Дата начала отсчета срока ...

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27-12-2015 дата публикации

УСТРОЙСТВО ДЛЯ АККУМУЛИРОВАНИЯ ГАЗОВ ВНУТРИ ТРУБОК

Номер: RU0000158382U1

Устройство для аккумулирования газа внутри трубок, содержащее емкость, абсорбент в виде пакета герметизированных трубок, имеющих отверстие сбоку, вблизи конца для ввода/вывода газа, патрубки с клапанами для введения и выведения газа, а также устройство герметизации/разгерметизации данных отверстий, содержащее легкоплавкий материал и систему электрических нагревателей, расположенных на каждой трубке вблизи ее отверстия, отличающееся тем, что содержит сменную крышку. И 1 158382 ко РОССИЙСКАЯ ФЕДЕРАЦИЯ ВУ” 158 382” 44 ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ИЗВЕЩЕНИЯ К ПАТЕНТУ НА ПОЛЕЗНУЮ МОДЕЛЬ ММ9К Досрочное прекращение действия патента из-за неуплаты в установленный срок пошлины за поддержание патента в силе Дата прекращения действия патента: 17.06.2019 Дата внесения записи в Государственный реестр: 19.03.2020 Дата публикации и номер бюллетеня: 19.03.2020 Бюл. №8 Стр.: 1 па Ссз$8< | ЕП

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27-12-2016 дата публикации

Устройство для перекачки одоранта

Номер: RU0000167243U1

Устройство для перекачки одоранта из одной емкости в другую, включающее раму с улавливающим поддоном, установленный на ней самовсасывающий насос, соединяющий между собой линии всасывания и нагнетания, систему трубопроводов с запорной арматурой, соединительные шланги с быстроразъемными соединениями, расположенные между емкостями и линиями всасывания и нагнетания, а также манометры, связанные с системой трубопроводов для измерения давления в линиях, счетчик одоранта и фильтры грубой и тонкой очистки, размещенные на линии всасывания, при этом фильтр грубой очистки представляет собой установленный на опоре при помощи четырех кронштейнов цилиндрический корпус с сферическими основаниями и отверстиями для входа и выхода одоранта, внутри которого размещен фильтрирующий элемент, закрепленный в отверстии для выхода одоранта. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК F17C 6/00 (11) (13) 167 243 U1 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ТИТУЛЬНЫЙ (21)(22) Заявка: ЛИСТ ОПИСАНИЯ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ 2016112675/06, 04.04.2016 (24) Дата начала отсчета срока действия патента: 04.04.2016 (45) Опубликовано: 27.12.2016 Бюл. № 36 1 6 7 2 4 3 R U (57) Формула полезной модели Устройство для перекачки одоранта из одной емкости в другую, включающее раму с улавливающим поддоном, установленный на ней самовсасывающий насос, соединяющий между собой линии всасывания и нагнетания, систему трубопроводов с запорной арматурой, соединительные шланги с быстроразъемными соединениями, расположенные между емкостями и линиями всасывания и нагнетания, а также манометры, связанные с системой трубопроводов для измерения давления в линиях, счетчик одоранта и фильтры грубой и тонкой очистки, размещенные на линии всасывания, при этом фильтр грубой очистки представляет собой установленный на опоре при помощи четырех кронштейнов цилиндрический корпус с сферическими основаниями и отверстиями для входа и выхода одоранта, внутри которого размещен фильтрирующий элемент, закрепленный в ...

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09-03-2021 дата публикации

Станция перекачивания одоранта

Номер: RU0000202822U1

Полезная модель относится к газовой промышленности, и может быть использована на газораспределительных станциях для наполнения одорантом рабочих и резервных емкостей газоодоризационных установок и технологического оборудования магистральных трубопроводов. Задачей полезной модели является повышение производительности выполнения технологического процесса с применением устройства для перекачки одоранта. Поставленная задача решается за счет того, что в станции перекачивания одоранта, содержащей раму с улавливающим поддоном, установленным на ней самовсасывающим насосом, соединяющим между собой линии всасывания и нагнетания, систему трубопроводов с запорной арматурой, соединительные шланги с быстроразъемными соединениями, расположенные между емкостями и линиями всасывания и нагнетания, а также манометры, связанные с системой трубопроводов для измерения давления в линиях, счетчик одоранта и фильтры грубой и тонкой очистки, размещенные на линии всасывания, один конец соединительных шлангов присоединен быстроразъемными соединениями к линиям всасывания и нагнетания, а соединительный шланг располагается на направляющих поверхностях катушек, при этом катушка представляет собой неподвижно закрепленную к раме направляющую поверхность и, имеющий возможность поворота относительно ее оси, реборд, в эксцентричное отверстие которого установлен второй конец соединительного шланга с быстроразъемным соединением. И 1 202822 ко РОССИЙСКАЯ ФЕДЕРАЦИЯ ` ВУ” 202 822” 94 ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ИЗВЕЩЕНИЯ К ПАТЕНТУ НА ПОЛЕЗНУЮ МОДЕЛЬ ММ9К Досрочное прекращение действия патента из-за неуплаты в установленный срок пошлины за поддержание патента в силе Дата прекращения действия патента: 19.04.2021 Дата внесения записи в Государственный реестр: 22.06.2022 Дата публикации и номер бюллетеня: 22.06.2022 Бюл. №18 Стр.: 1 па ССС 0сС ЕП

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14-03-2013 дата публикации

Method for the Refrigerated Transportation of a Stock in a Vehicle Implementing a Liquid Combustible Gas Tank and a Liquid Nitrogen Tank

Номер: US20130061608A1

The present invention relates to a supply station jointly storing a low-temperature-liquefied combustible gas, in particular natural gas, and liquid nitrogen and designed for supplying each component separately or jointly as needed to a vehicle, the supply station being present on the vehicle, the station comprising at least a first storage tank for storing said liquefied combustible gas; and at least a second storage tank for storing said liquid nitrogen and at least one heat-transmitting connection element between the at least one first storage tank and the at least one second storage tank, which connection element is designed so that the combustible gas can be cooled, or can be maintained at a temperature below its boiling point, directly or indirectly by the liquid nitrogen.

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21-03-2013 дата публикации

SYSTEM AND METHOD FOR FILLING A PORTABLE LIQUID GAS STIAGE/DELIVERY SYSTEM

Номер: US20130067953A1
Принадлежит: RIC INVESTMENTS, LLC.

A liquefied gas storage/delivery system and method that includes a liquefied gas storage system. The liquefied gas storage system includes a housing containing a storage vessel suited to contain a supply of liquefied gas, such as liquid oxygen (LOX). A rotatable turntable is provided on an exterior surface of the housing. An interface shaped to match the shape of at least a portion of a portable liquid storage/delivery device is provide in or on the turntable. A connector is disposed in the interface that couples to a corresponding connector on the portable liquid storage/delivery device. The two connectors are coupled by placing the portable liquid storage/delivery device in the interface and rotating the turntable. 1. A method of providing ambulatory liquefied gas comprising:providing a housing adapted to contain a supply of liquefied gas in a storage vessel;coupling a portable liquid storage/delivery device to a turntable provided on an exterior surface of the housing;moving the turntable to engage a first connector disposed on the portable liquid storage/delivery device with a second connector provided on the housing; andtransferring liquefied gas from the storage vessel to the portable liquid storage/delivery device responsive to the first connector engaging the second connector.2. The method of claim 1 , wherein rotating the turntable includes rotating the turntable between (a) a first position in which the supply of liquid is prevented from being delivered from the storage vessel to such a portable liquid storage/delivery device claim 1 , and (b) a second position in which the supply of liquid is capable of being delivered from the storage vessel to such a portable liquid storage/delivery device.3. The method of claim 1 , further comprising producing the liquefied gas using a liquefaction system disposed in the housing.4. The method of claim 1 , wherein transferring liquefied gas from the storage vessel to the portable liquid storage/delivery device includes ...

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06-06-2013 дата публикации

LNG Boiloff Gas Recondensation Configurations And Methods

Номер: US20130139544A1
Автор: Mak John
Принадлежит: FLUOR TECHNOLOGIES CORPORATION

Systems and methods for optimizing the recondensation of boiloff gas in liquid natural gas storage tanks are presented. In especially preferred aspects of the inventive subject matter, BOG from a storage tank is condensed using refrigeration content of a portion of LNG sendout in a direct or indirect manner, and the BOG condensate and LNG sendout portion are combined to form a subcooled stream that is then combined with the balance of the LNG sendout, to be fed to a high pressure pump. Contemplated recondensation operations advantageously occur without using otherwise needed large volume recondensers. Moreover, the condensing and subcooling operations are decoupled from the LNG sendout rate. 1. A method of producing a combined sendout stream of liquid natural gas (LNG) and boiloff gas (BOG) condensate from a storage tank configured to provide a BOG stream and a sendout LNG stream , comprising:compressing the BOG stream to thereby produce compressed BOG;condensing and subcooling a first portion of the compressed BOG using a first portion of the LNG sendout stream to thereby produce a subcooled BOG/LNG stream;combining the subcooled BOG/LNG stream with a second portion of the LNG sendout stream to thereby produce a combined subcooled sendout stream, wherein a flow rate of the second portion of the LNG sendout stream is decoupled from the steps of condensing and subcooling; andfeeding the combined subcooled sendout stream to a high pressure pump.2. The method of claim 1 , wherein the condensing and subcooling step comprises using a heat exchanger to concurrently condense and subcool the first portion of the compressed BOG.3. The method of claim 1 , further comprising controlling pressure applied to the subcooled BOG/LNG stream using a second portion of the compressed BOG.4. The method of claim 1 , wherein the condensing and subcooling step comprises separate condensing and subcooling steps.5. The method of claim 4 , wherein the step of condensing is performed at a ...

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18-07-2013 дата публикации

Carbon dioxide supply for injection-molding systems

Номер: US20130180620A1
Автор: Andreas Praller
Принадлежит: Linde GmbH

For supplying a sink with liquid carbon dioxide with a required temperature of more than 0° C. and with a required pressure of more than 30 bar, liquid carbon dioxide is taken from a tank, in which it has been stored at a temperature below the required temperature and at a pressure below the required pressure. The pressure of the carbon dioxide is increased and then the carbon dioxide is heated to the required temperature.

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01-08-2013 дата публикации

CONFIGURATIONS AND METHODS FOR SMALL SCALE LNG PRODUCTION

Номер: US20130192297A1
Автор: Mak John
Принадлежит:

A small scale natural gas liquefaction plant is integrated with an LNG loading facility in which natural gas is liquefied using a multi-stage gas expansion cycle. LNG is then loaded onto an LNG truck or other LNG transport vehicle at the loading facility using a differential pressure control system that uses compressed boil off gas as a motive force to move the LNG from the LNG storage tank to the LNG truck so as to avoid the use of an LNG pump and associated equipment as well as to avoid venting of boil off vapors into the environment. 1. A small scale LNG plant with integrated loading terminal , comprising:a refrigeration unit comprising a closed refrigeration cycle configured to provide refrigeration content to a natural gas feed in an amount sufficient to produce LNG from the natural gas feed;a LNG storage tank fluidly coupled to the cold box and configured to allow receiving and storing the LNG;a first boil off vapor conduit configured to provide a first boil off vapor from an LNG transporter to the cold box, and from the cold box to the LNG storage tank to thereby allow use of the first boil off vapor as a motive force to move the LNG out of the LNG storage tank;a second boil off vapor conduit configured to provide a second boil off vapor from the LNG storage tank to the cold box, and from the cold box to the natural gas feed; anda compressor that is configured to allow compression of at least one of the first and second boil off vapors.2. The plant of further comprising a differential pressure controller configured to maintain a predetermined pressure differential between the LNG storage tank and the LNG transporter.3. The plant of wherein the differential pressure controller is configured to allow liquefaction operation concurrent with filling operation of the LNG transporter.4. The plant of wherein the predetermined pressure differential is between 10-50 psi.5. The plant of wherein the refrigeration unit further comprises at least 3 exchanger passes that ...

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05-09-2013 дата публикации

SEWAGE TANKS AND GRINDER PUMP SYSTEMS

Номер: US20130228244A1
Принадлежит:

A sewage tank for use with a pump such as a grinder pump to convey sewage. The sewage tank includes a container having an upper portion and a lower tapering portion defining a chamber for containing the pump. The lower tapering portion has a reduced size compared to the upper portion. The upper portion and the lower portion may include a plurality of intersecting vertical ribs and horizontal ribs defining a plurality of recessed pockets. The lower portion of the sewage tank may also include an outwardly-extending flange sufficiently sized so that soil may be backfilled around the bottom of the tank to prevent the tank from floating upward out of the ground due to its buoyancy under high ground water conditions. A sewage tank having a stepped flange is also disclosed. 132-. (canceled)33. A sewage tank for use with a pump to convey sewage , said sewage tank comprising:a container comprising a sidewall and a bottom; anda plurality of members connectable and attachable around an outer surface of said sidewall of said container operable for use in providing additional ballast under high ground water conditions.34. The sewage tank of wherein each of said plurality of members being similarly sized and configured.35. The sewage tank of wherein said plurality of members comprises ends which are connectable together.36. The sewage tank of wherein said ends of said plurality of members are connectable to each other with at least one bolt.37. The sewage tank of wherein said plurality of members and said sidewall of said container comprise interlocking portions.38. The sewage tank of wherein said plurality of members and said container comprise interlocking tongue and groove.39. The sewage tank of wherein said plurality of members is configured for backfilling of material on top of said plurality of members for providing additional ballast under high ground water conditions.40. The sewage tank of wherein said sidewall and said bottom are integrally formed.41. The sewage tank of ...

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12-09-2013 дата публикации

Lng receiving structure

Номер: US20130233427A1
Автор: Kenji Okayama
Принадлежит: IHI Corp

An LNG receiving structure ( 101 ) is provided with: a leader pipe ( 1 ) that is located below a receiving pipe ( 102 ) that penetrates a roof of an LNG tank, and extends as far as a bottom portion of the LNG tank; a hopper ( 2 ) that is provided at a top end of the leader pipe, and receives LNG expelled from the receiving pipe; a regulating component ( 3 ) that is provided inside the hopper, and regulates the flow of the LNG expelled from the receiving pipe such that this LNG flows down along an inside wall of the leader pipe; and a gas discharge port ( 4 ) that is provided in the hopper, and discharges to an outside of the hopper gas that has risen upwards from the leader pipe. By providing this LNG receiving structure, when a plurality of types of LNG that each have a different density are stored in the same LNG tank, it is possible to keep to a minimum any risk that rollover might occur.

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07-11-2013 дата публикации

FUEL SUPPLYING DEVICE

Номер: US20130291967A1
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

To provide a fuel supplying device that, in a fuel tank equipped with plural accommodating portions that accommodate fuel, can suppress occurrence of running-out of fuel and can send-out fuel in a short time, even when a liquid surface of fuel of a fuel tank main body tilts. A sub-cup that has a fuel filter and a storage member is disposed at each of a first accommodating portion and a second accommodating portion. A distal end of a vapor discharging pipe of a fuel pump main body (or a sending-back pipe of a pressure regulator) is disposed within a second storage member. 1. A fuel supplying device , comprising:a first fuel accommodating portion and a second fuel accommodating portion that accommodate fuel;a first fuel filter that is formed in a shape of a bag and is provided at the first fuel accommodating portion, and, when fuel flows into an interior of the first fuel filter, the first fuel filter removes foreign matter from the fuel, and, in a state in which a portion or an entirety of the first fuel filter is immersed in fuel, an oil film produced by the fuel is formed at a surface of the first fuel filter;a second fuel filter that is formed in a shape of a bag and is provided at the second fuel accommodating portion, and, when fuel flows into an interior of the second fuel filter, the second fuel filter removes foreign matter from the fuel, and, in a state in which a portion or an entirety of the second fuel filter is immersed in fuel, an oil film produced by the fuel is formed at a surface of the second fuel filter;a first storage member that is provided within the first fuel accommodating portion and above the first fuel filter, a bottom portion of the first storage member being structured by at least one portion of an upper surface of the first fuel filter, and the first storage member being configured to store fuel;a second storage member that is provided within the second fuel accommodating portion and above the second fuel filter, a bottom portion of the ...

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26-12-2013 дата публикации

FUEL SUPPLY METHOD FOR HIGH-PRESSURE NATURAL GAS INJECTION ENGINE

Номер: US20130340474A1

Provided is a fuel supply method for a marine structure using a high-pressure natural gas injection engine. BOG stored in a stored in the storage tank is compressed to a pressure of 12 to 45 bara (absolute pressure) and then reliquefied. A reliquefaction apparatus includes a cold box configured to exchange heat between a refrigerant and the BOG, a compression unit configured to compress the refrigerant heated by the cold box, an expansion unit configured to expand the compressed refrigerant to drop the temperature thereof, and a plurality of gas-liquid refrigerant separators configured to separate the refrigerant into a gaseous refrigerant and a liquid refrigerant. A gaseous refrigerant and a liquid refrigerant separated by the gas-liquid refrigerant separator disposed at an upstream side are again mixed and supplied to the gas-liquid refrigerant separator disposed at the most downstream among the plurality of gas-liquid refrigerant separators. 1. A fuel supply method of a fuel supply system for a high-pressure natural gas injection engine installed in a marine structure , wherein:the fuel supply system for the high-pressure natural gas injection engine comprises:a boil-off gas (BOG) compression unit configured to receive and compress BOG generated in a storage tank storing a liquefied gas;a reliquefaction apparatus configured to receive and liquefy the BOG compressed by the BOG compression unit;a high-pressure pump configured to compress the liquefied BOG generated by the reliquefaction apparatus; anda high-pressure gasifier configured to gasify the liquefied BOG compressed by the high-pressure pump and supply the gasified BOG to the high-pressure natural gas injection engine;the BOG generated in the storage tank is discharged from the storage tank and compressed in a medium pressure range;the compressed BOG is liquefied; andthe liquefied BOG is compressed to a high pressure, gasified and supplied to the high-pressure natural gas injection engine,wherein the medium ...

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09-01-2014 дата публикации

Fuel tank partition and method of use

Номер: US20140007943A1
Принадлежит: GP Strategies Corp

Embodiments of the present disclosure may include a partition for a fuel tank. The partition may include a sheet of material extending laterally within an interior mid-region of the fuel tank. The sheet may have a length and a width that are at least substantially equal to a length and a width of the mid-region of the fuel tank, and the sheet may be shaped to conform to an interior perimeter of the mid-region of the fuel tank. The partition may also be configured to substantially divide the fuel tank into an upper interior region located above the partition and a lower interior region located below the partition.

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30-01-2014 дата публикации

MULTI-FUNCTION UNIT FOR THE OFFSHORE TRANSFER OF HYDROCARBONS

Номер: US20140027008A1
Принадлежит: SINGLE BUOY MOORINGS INC.

A hydrocarbon transfer arrangement for transfer of fluids between an offshore unit and a carrier which are placed in an offloading configuration, includes at least one transfer hose and a gas return hose, wherein the end of the at least one transfer hose is connected to a floating multi-function unit allowing for the transport of the transfer hose between the offshore unit and the carrier, wherein the floating multi-function unit can be lifted out of the water and can be held in a fixed position above water-level and is provided with connection elements for making a fluid connection between the transfer hose end and a manifold of the carrier and with emergency disconnect elements for the at least one transfer hose, placed at a distance from the connection elements. 1. A hydrocarbon transfer unit comprising:{'b': '13', 'a frame with at least one hydrocarbon transfer hose attached to the frame via a releasable coupling (),'}{'b': '10', 'the frame comprising at least two spaced-apart transport members () for transporting the unit transversely across a deck of an offshore unit to which the transfer hose is attached and vertically upward from water level against a hull of a carrier that is in a transfer position relative to the offshore unit.'}210. The hydrocarbon transfer unit according to claim 1 , wherein the frame comprises a front end claim 1 , the transport members () having a first rotation axis connected to the frame in a plane claim 1 , the frame carrying a front transport member rotatable around a second rotation axis substantially parallel to the first rotation axis claim 1 , closer to the front end and at a distance from the plane.3. The hydrocarbon transfer unit according to claim 1 , wherein the transport members comprise two sets of wheels rotatable about respective spaced apart rotation axes.4. The hydrocarbon transfer unit according to claim 2 , wherein the transport members comprise two sets of wheels rotatable about respective spaced apart rotation ...

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13-02-2014 дата публикации

BOIL-OFF GAS PROCESSING APPARATUS AND LIQUEFIED GAS TANK

Номер: US20140041398A1
Автор: AOKI Eiji
Принадлежит: JAPAN MARINE UNITED CORPORATION

A boil-off gas processing apparatus for reliquefying a boil-off gas () generated within a liquefied gas tank () storing a liquefied gas () and returning the reliquefied gas to the interior of the liquefied gas tank () includes a boil-off gas discharge line () configured to discharge the boil-off gas () from the liquefied gas tank () to outside, and a boil-off gas reliquefaction line () configured to immerse at least part of the boil-off gas discharge line () in the liquefied gas () within the liquefied gas tank (). The boil-off gas reliquefaction line () includes a pressure holding device () configured to maintains a pressure necessary for reliquefaction of the boil-off gas () and has a length (L) sufficient to be able to absorb an amount of heat necessary for reliquefaction of the boil-off gas (). 1. A boil-off gas processing apparatus which reliquefies a boil-off gas generated within a liquefied gas tank storing a liquefied gas and returns the reliquefied gas to an interior of the liquefied gas tank , the boil-off gas processing apparatus comprising:a boil-off gas discharge line configured to discharge the boil-off gas from the liquefied gas tank to outside; anda boil-off gas reliquefaction line configured to immerse at least part of the boil-off gas discharge line in the liquefied gas within the liquefied gas tank, wherein the boil-off gas reliquefaction line maintains a pressure necessary for reliquefaction of the boil-off gas and has a length sufficient to be able to release an amount of heat necessary for reliquefaction of the boil-off gas.2. The boil-off gas processing apparatus according to claim 1 , wherein the boil-off gas reliquefaction line includes a pressure holding device configured to condense and trap the boil-off gas and release the boil-off gas in liquid form into the liquefied gas.3. The boil-off gas processing apparatus according to claim 1 , wherein the boil-off gas reliquefaction line reliquefies all or part of the boil-off gas to be released ...

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06-03-2014 дата публикации

FUEL SUPPLY SYSTEM FOR MARINE STRUCTURE HAVING RELIQUEFACTION APPARATUS AND HIGH-PRESSURE NATURAL GAS INJECTION ENGINE

Номер: US20140060110A1

Provided is a fuel supply system for a marine structure. The fuel supply system includes a BOG compression unit configured to receive and compress BOG generated in a storage tank, a reliquefaction apparatus configured to receive and liquefy the BOG compressed by the BOG compression unit, a high-pressure pump configured to compress the liquefied BOG generated by the reliquefaction apparatus, and a high-pressure gasifier configured to gasify the liquefied BOG compressed by the high-pressure pump. The fuel supply system includes a recondenser installed at an upstream side of the high-pressure pump and configured to recondense a portion or all of the generated BOG by using liquefied gas received from the storage tank. The BOG compression unit compresses BOG to a pressure of about 12 to 45 bara such that the BOG is liquefied under the compression pressure of the BOG compression unit. 1. A fuel supply system for supplying fuel to a high-pressure natural gas injection engine , including a boil-off gas (BOG) compression unit configured to receive and compress BOG generated in a storage tank , a reliquefaction apparatus configured to receive and liquefy the BOG compressed by the BOG compression unit , a high-pressure pump configured to compress the liquefied BOG generated by the reliquefaction apparatus , and a high-pressure gasifier configured to gasify the liquefied BOG compressed by the high-pressure pump , wherein:the fuel supply system comprises a recondenser installed at an upstream side of the high-pressure pump and configured to recondense a portion or all of the generated BOG by using liquefied gas received from the storage tank; andthe BOG compression unit compresses BOG to a pressure of about 12 to 45 bara such that the BOG is liquefied under the compression pressure of the BOG compression unit.2. The fuel supply system according to claim 1 , further comprising a booster pump installed between the recondenser and the high-pressure pump.3. The fuel supply system ...

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20-03-2014 дата публикации

METHOD FOR OPERATING FUEL SUPPLY SYSTEM FOR MARINE STRUCTURE HAVING RELIQUEFACTION APPARATUS AND HIGH-PRESSURE NATURAL GAS INJECTION ENGINE

Номер: US20140075943A1

Provided is a method for operating a fuel supply system for a marine structure. The fuel supply system includes a BOG compression unit configured to receive and compress BOG generated in a storage tank, a reliquefaction apparatus configured to receive and liquefy the BOG compressed by the BOG compression unit, a high-pressure pump configured to compress the liquefied BOG generated by the reliquefaction apparatus, and a high-pressure gasifier configured to gasify the liquefied BOG compressed by the high-pressure pump. The fuel supply system includes a recondenser installed at an upstream side of the high-pressure pump, and the recondenser recondenses a portion or all of the generated BOG by using liquefied gas supplied from the storage tank. During a ballast voyage process, all of the BOG is supplied to and recondensed by the recondenser, and an operation of the reliquefaction apparatus is interrupted. 1. A method for operating a fuel supply system to supply fuel to a high-pressure natural gas injection engine , the fuel supply system including a boil-off gas (BOG) compression unit configured to receive and compress BOG generated in a storage tank , a reliquefaction apparatus configured to receive and liquefy the BOG compressed by the BOG compression unit , a high-pressure pump configured to compress the liquefied BOG generated by the reliquefaction apparatus , and a high-pressure gasifier configured to gasify the liquefied BOG compressed by the high-pressure pump , wherein:the fuel supply system comprises a recondenser installed at an upstream side of the high-pressure pump; andthe recondenser recondenses a portion or all of the generated BOG by using liquefied gas supplied from the storage tank,wherein during a ballast voyage process, all of the BOG is supplied to and recondensed by the recondenser, and an operation of the reliquefaction apparatus is interrupted.2. The method according to claim 1 , wherein liquefied natural gas (LNG) stored in the storage tank is ...

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03-04-2014 дата публикации

Multi-function unit for the offshore transfer of hydrocarbons

Номер: US20140090750A1
Принадлежит: Single Buoy Moorings Inc

A hydrocarbon transfer arrangement for transfer of fluids between an offshore unit and a carrier which are placed in an offloading configuration, includes at least one transfer hose and a gas return hose, wherein the end of the at least one transfer hose is connected to a floating multi-function unit allowing for the transport of the transfer hose between the offshore unit and the carrier, wherein the floating multi-function unit can be lifted out of the water and can be held in a fixed position above water-level and is provided with connection elements for making a fluid connection between the transfer hose end and a manifold of the carrier and with emergency disconnect elements for the at least one transfer hose, placed at a distance from the connection elements.

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04-01-2018 дата публикации

STORAGE SYSTEM FOR FUELS

Номер: US20180003431A1
Принадлежит: Electro-Motive Diesel, Inc.

A condensation system for a reservoir, which stores fuel cryogenically, is disclosed. A portion of the fuel exists as a boil-off gas with a first vapor quality. The condensation system includes an absorption unit coupled to the reservoir and is configured to receive and mix the boil-off gas with a refrigerant, forming a liquid solution. A distillation unit is coupled to the absorption unit to receive the liquid solution at a supplemented pressure, and is configured to separate the fuel to a gaseous state from the liquid solution. Further, a cooling circuit is configured to receive the fuel in the gaseous state from the distillation unit at the supplemented pressure and a supplemented temperature, and deliver the fuel to the reservoir at a lower pressure and a temperature, with a vapor quality lower than the first vapor quality. 1. A condensation system for a reservoir configured to store a fuel cryogenically , a portion of the fuel existing as a boil-off gas in the reservoir with a first vapor quality , the condensation system comprising:an absorption unit fluidly coupled to the reservoir, the absorption unit configured to receive a refrigerant and the boil-off gas and facilitate a mixing therebetween to form a liquid solution;a distillation unit fluidly coupled to the absorption unit to receive the liquid solution at a supplemented pressure, and configured to separate the fuel to a gaseous state from the liquid solution; anda cooling circuit fluidly coupled between the distillation unit and the reservoir, and configured to receive the fuel in the gaseous state from the distillation unit at the supplemented pressure and a supplemented temperature, and deliver the fuel to the reservoir at a pressure and a temperature respectively lower than the supplemented pressure and the supplemented temperature, and with a vapor quality lower than the first vapor quality.2. The condensation system of claim 1 , wherein the cooling circuit includes:a condenser fluidly coupled to ...

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07-01-2016 дата публикации

APPARATUS AND METHOD FOR SELF-REGULATING FLUID CHEMICAL DELIVERY

Номер: US20160004259A1
Принадлежит:

Methods and apparatus for chemical delivery are provided herein. In some embodiments, a first reservoir holds a first volume of fluid, receives a carrier gas, and outputs the carrier gas together with vapor derived from the first volume of fluid. A second reservoir holds a second volume of fluid and is capable of delivering a part of the second volume of fluid to the first reservoir. A self-regulating tube extends from the first reservoir to a region above the second volume of fluid in the second reservoir. 1. A chemical delivery apparatus , comprising:a body having a first reservoir that defines a first volume, the first reservoir including a carrier gas inlet and a carrier gas outlet;a second reservoir disposed in the body above the first reservoir and defining a second volume, the second reservoir having a fill tube fluidly coupling the second reservoir to the first reservoir; anda self-regulating tube extending from the second reservoir to the first reservoir.2. The chemical delivery apparatus of claim 1 , further comprising a fluid level sensor that detects a level of a fluid contained in at least one of the first volume or the second volume.3. The chemical delivery apparatus of claim 1 , further comprising a bulk refill inlet tube connected to the second volume claim 1 , and a fluid input valve that controls opening of the bulk refill inlet tube based on a detected level of a fluid contained in at least one of the first volume or the second volume.4. The chemical delivery apparatus of claim 1 , further comprising a temperature sensor that detects a temperature of a fluid contained in at least one of the first volume or the second volume.5. The chemical delivery apparatus of claim 1 , wherein the second reservoir is a closed volume reservoir.6. The chemical delivery apparatus of claim 1 , wherein the first reservoir and the second reservoir are separable from each other.7. The chemical delivery apparatus of claim 1 , further comprising an anti-static friction ( ...

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08-01-2015 дата публикации

Systems and Methods for Maintaining Pressure in Cryogenic Storage Tanks

Номер: US20150007585A1
Автор: Kawai Ronald Tatsuji
Принадлежит:

A system for maintaining a substantially constant pressure within an ullage space of a cryogenic storage tank is provided. The system includes a compressor configured to receive fuel gas from the cryogenic storage tank, and compress the fuel gas to produce heated fuel gas. The system further includes a heat exchanger in flow communication with the compressor and configured to cool the heated fuel gas to produce cooled fuel gas, and a turbine in flow communication with the heat exchanger and configured to expand the cooled fuel gas to produce a gas and liquid mixture having a predetermined liquid to gas ratio, and discharge the gas and liquid mixture into the cryogenic storage tank. 1. A system for maintaining a substantially constant pressure within an ullage space of a cryogenic storage tank , said system comprising: receive fuel gas from the cryogenic storage tank; and', 'compress the fuel gas to produce heated fuel gas;, 'a compressor configured toa heat exchanger in flow communication with said compressor and configured to cool the heated fuel gas to produce cooled fuel gas; and expand the cooled fuel gas to produce a gas and liquid mixture having a predetermined liquid to gas ratio; and', 'discharge the gas and liquid mixture into the cryogenic storage tank., 'a turbine in flow communication with said heat exchanger and configured to2. A system in accordance with claim 1 , further comprising a fan configured to provide a cooling flow to said heat exchanger to facilitate cooling the heated fuel gas.3. A system in accordance with claim 2 , further comprising:a sensor configured to monitor a pressure within the ullage space; and instruct said fan to increase the cooling flow when said sensor monitors an increase in the pressure; and', 'instruct said fan to decrease the cooling flow when said sensor monitors a decrease in the pressure., 'a controller communicatively coupled to said sensor and said fan, said controller configured to4. A system in accordance with ...

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15-01-2015 дата публикации

FLUID DELIVERY SYSTEM AND METHOD

Номер: US20150013834A1
Принадлежит:

A fluid supply system adapted for vacuum and pressure cycling of fluid, including a transfer vessel adapted to supply a process canister with fluid drawn from a bulk canister under a vacuum, wherein delivery of fluid from the transfer vessel to the process canister is accomplished with positive pressure. A method is also disclosed of delivering fluid, including drawing fluid under vacuum from a bulk canister and pressurizing the transfer vessel to effect dispensing of the fluid into a process canister for delivery to a location of use. 111.-. (canceled)13. The method of claim 12 , further comprising any one or more of:closing a valve disposed in a fluid flow line between the at least one bulk container and the process container;terminating the drawing of fluid under vacuum;maintaining sufficient pressure in the process canister to effect a constant supply of fluid to the location of use;reducing an amount of entrained gas in fluid in the at least one bulk canister by maintaining a negative pressure in the at least one bulk canister; andsensing a signal from a pressure transducer in the at least one bulk canister indicative of an increased rate of change of pressure correlative to onset of exhaustion of fluid in the at least one bulk canister, when said at least one bulk canister is at onset of exhaustion of fluid.14. (canceled)15. The method of claim 12 , wherein fluid holding volume of the transfer vessel is less than fluid holding volume of any one of the at least one bulk canister and the process canister.16. The method of claim 12 , wherein the location of use comprises a semiconductor manufacturing location.17. (canceled)18. The method of claim 12 , wherein at least one of the at least one bulk canister claim 12 , transfer vessel and process canister is of non-stainless steel construction.19. The method of claim 18 , wherein the at least one bulk canister is of non-stainless steel construction.20. The method of claim 12 , further comprising sensing pressure of ...

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18-01-2018 дата публикации

REDUCED BOIL-OFF THERMAL CONDITIONING SYSTEM

Номер: US20180016130A1
Принадлежит:

A Reduced Boil-off Thermal Conditioning System (“RBTC System”) for transferring liquid natural gas (“LNG”) from a LNG supply tank to a LNG storage tank with reduced boil-off is disclosed. The RBTC System includes the LNG storage tank, a cryogenic fluid tank within the LNG supply tank, and a compressor. The LNG storage tank includes a first and second LNG pipe. The cryogenic fluid tank is configured to store a cryogenic fluid within the cryogenic fluid tank and the first and second LNG pipe are in fluid communication with to the cryogenic fluid tank. The first LNG pipe is in fluid communication with compressor. 1. A Reduced Boil-off Thermal Conditioning (“RBTC”) System for transferring liquid natural gas (“LNG”) from a LNG supply tank to a LNG storage tank with reduced boil-off , wherein the LNG storage tank has a first LNG pipe and a second LNG pipe , the RBTC System comprising: wherein the cryogenic fluid tank is configured to store a cryogenic fluid within the cryogenic fluid tank and', 'wherein the first LNG pipe and the second LNG pipe are in fluid communication with the cryogenic fluid tank;, 'a cryogenic fluid tank within the LNG supply tank,'}a compressor, wherein the compressor is in fluid communication with the cryogenic fluid tank and the first LNG pipe; anda throttling device, wherein the throttling device is in fluid communication with both the cryogenic fluid tank and the second LNG pipe.2. The RBTC System of claim 1 , a first shell pipe and', 'a second shell pipe, and, 'a cooling shell surrounding the LNG storage tank having'}wherein the first shell pipe and second shell pipe are in fluid communication with the cryogenic fluid tank, andwherein the first shell pipe, second shell pipe, and compressor are configured such that in operation the cryogenic fluid, from the cryogenic fluid tank, enters the cooling shell via the second shell pipe and leaves the cooling shell via the first shell pipe.3. The RBTC System of claim 2 , further includinga first line ...

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15-01-2015 дата публикации

CRYOGENIC SYSTEM AND METHOD OF USE

Номер: US20150018810A1
Принадлежит:

A cryogenic medical device for delivery of subcooled liquid cryogen to various configurations of cryoprobes is designed for the treatment of damaged, diseased, cancerous or other unwanted tissues. The device is a closed or semi-closed system in which the liquid cryogen is contained in both the supply and return stages. The device is capable of generating cryogen to a supercritical state and may be utilized in any rapid cooling systems. As designed, the device comprises a number of parts including a vacuum insulated outer dewar, submersible cryogen pump, baffled linear heat exchanger, multiple pressurization cartridges, a return chamber, and a series of valves to control the flow of the liquid cryogen interconnected with cryotreatment devices including cryoprobes and catheters. The cryogenic medical device promotes subcooling to the tips of various external cryogenic instrument configurations. 1. A cryogenic system comprising:a container having cryogen within said container;one or more cryoprobes outside said container for use in cryotherapeutic procedures;a heat exchanger surrounded by a subcooling chamber;a pump which delivers the cryogen to said heat exchanger to subcool the cryogen;at least one supply line connected to said heat exchanger and to said exit port, said supply line directing the cryogen to said one or more cryoprobes;at least one return line which returns the cryogen from said one or more cryoprobes to said container; andat least one pressurized apparatus having one or more heaters arranged therein, at least one inlet port for filling said pressurized apparatus, at least one outlet port for releasing pressurized cryogen, and one or more control valves;wherein said one or more cryoprobes is interconnected with said at least one supply line and said at least one return line; andwherein said pressurized apparatus is configured to provide continuous delivery of said pressurized cryogen to said heat exchanger and through to said one or more cryoprobes.2. ...

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26-01-2017 дата публикации

A mobile co2 filling system for filling onsite co2 storage and dispensing systems with co2

Номер: US20170023179A1
Автор: Daniel E. Schneider
Принадлежит: BEVTECH Inc, Green CO2 IP LLC

A mobile CO2 filling system selectively fills onsite CO2 storage and dispensing systems with CO2. The system includes a mobile platform; a tank holding liquid CO2 mounted on the mobile platform; a flexible dispensing hose coupled to the tank and configured to be selectively coupled to the filling inlet of an onsite CO2 storage and dispensing system; A pump selectively coupled to the tank; and a controller for controlling the filling of an onsite CO2 storage and dispensing systems with CO2 from the tank, wherein the controller is selectively designated by the user to operate in at least one pump assisted filling state and at least one gravity feed filling state.

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31-01-2019 дата публикации

LIQUIEFYING A GASEOUS MEDIUM

Номер: US20190032995A1
Принадлежит: LINDE AKTIENGESELLSCHAFT

An arrangement comprising at least one liquefaction plant for liquefying a gaseous medium to produce a liquefied medium; and at least one storage tank for storing the liquefied medium. At least one first transfer line is connected between the liquefaction plant and the storage tank, for transferring liquefied medium from the liquefaction plant into the storage tank. At least one second transfer line is connected between the liquefaction plant and the storage tank, for transferring gaseous medium from the storage tank into the liquefaction plant. At least one shut-off valve is provided in each transfer line. The apparatus further includes a bypass line 235444. The arrangement according to claim 1 , further comprising a control element claim 1 , wherein the control element is configured such that claim 1 , after a standstill phase of the liquefaction plant (V) and before the transfer of liquefied medium from the liquefaction plant (V) into the storage tank (S) claim 1 , the control element performs a transfer line cooling phase claim 1 , in which the shut-off valves (a claim 1 , b) of the transfer lines are closed and the bypass line shut-off valve (c) is opened claim 1 , so that liquefied medium from the liquefaction plant (V) can flow through partial sections of the at least one first transfer line () claim 1 , the bypass line () claim 1 , the at least one second transfer line ( claim 1 , ′ claim 1 , ″) claim 1 , and back into the liquefaction plant (V).35. The arrangement according to claim 1 , wherein the bypass line () is arranged substantially adjacent to the storage tank (S).43444. The arrangement according to claim 1 , comprising only one first transfer line () having one first shut-off valve (a) claim 1 , and only one second transfer line ( claim 1 , ′ claim 1 , ″) having one second shut-off valve (b) claim 1 , and{'b': 5', '3', '4', '4', '4, 'wherein the bypass line () is connected between a point on the first transfer line () upstream of the first shut-off ...

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30-01-2020 дата публикации

ADDITIONAL LIQUID NATURAL GAS PLANT AND METHOD OF OPERATING THEREOF

Номер: US20200033054A1
Принадлежит:

The invention relates to a liquid natural gas plant for producing liquefied natural gas. The liquid natural gas plant comprises two or more parallel treatment and liquefaction trains, each train comprising a cooling stage arranged to receive a cleaned natural gas stream from a gas treatment stage, an NGL-extraction unit for extracting natural gas liquids, thereby generating a light natural gas stream. The liquid natural gas plant comprises an additional liquefaction train, comprising an additional cooling stage arranged to receive an additional feed stream for generating additional liquefied natural gas. The additional feed stream comprises two or more side streams taken from the light natural gas taken from the respective light natural gas streams of the one or more parallel treatment and liquefaction trains. 1. A liquid natural gas plant for producing liquefied natural gas from a contaminated natural gas feed stream , the liquid natural gas plant comprising two or more parallel treatment and liquefaction trains arranged in process portions of the contaminated natural gas feed stream in parallel , the treatment and liquefaction trains each comprising:an inlet for receiving a portion of the contaminated natural gas feed stream,a gas treatment stage for removing contaminants from the respective portion of the contaminated natural gas feed stream thereby generating a cleaned natural gas stream,a cooling stage arranged to receive the cleaned natural gas stream from the gas treatment stage for cooling at least part of the cleaned natural gas stream, wherein the cooling stage comprises a NGL-extraction unit for extracting natural gas liquids, thereby generating a light natural gas stream to be at least partially further cooled by the cooling stage to be at least partially liquefied; andan outlet for discharging liquefied natural gas,wherein the liquid natural gas plant comprises at least one additional liquefaction train, the additional liquefaction train comprising:an ...

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04-02-2021 дата публикации

MODULAR AND SEPARABLE CRYOGENIC SHIPPING SYSTEM

Номер: US20210033330A1
Автор: Moon William G., Tran Bao
Принадлежит:

A modular shipping system includes a bulk shipping space; and a base to support a pair of stackable cryogenic shipping subunits positioned in the bulk shipping space during long distance shipment, each subunit having a plurality of feet on a subunit bottom adapted to rest above a plurality of corresponding foot receptacles on a subunit lid, each subunit having its own cryogen connection source to maintain temperature during transit. 1. A shipping system , comprising:a. a bulk shipping space; andb. a base to support a pair of stackable cryogenic shipping subunits positioned in the bulk shipping space during long distance shipment, each subunit having a plurality of feet on a subunit bottom adapted to rest above a plurality of corresponding foot receptacles on a subunit lid, each subunit having its own cryogen connection source to maintain temperature during transit.2. The system of claim 1 , comprising insulated walls in a reefer.3. The system of claim 1 , comprising a supply line coupled to a vaporizer claim 1 , wherein the supply line comprises a vacuum insulated piping (VIP) line.4. The system of claim 1 , wherein the cryogen flows in parallel and introduces equal amounts of cryogen to tubings.5. The system of claim 1 , wherein the cryogen is proportionally flow controlled into the heat exchanger based on real time expander data.6. The system of claim 1 , wherein a cryogen flow is based on the cryogen liquid temperature and a shipping container heat load.7. The system of claim 1 , comprising a shipping unit including:a shipping foundation;a cryogenic tank secured to the shipping foundation,a payload bay to receive products therein;a tube connected to the cryogenic tank and thermally coupled to the payload bay;a housing secured to the shipping foundation, said housing covering the tube and the payload bay to thermally seal the payload bay from outside environment;a controller mounted on the housing and having a sensor to determine temperature in a closed-loop and ...

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07-02-2019 дата публикации

SYSTEM, METHOD AND APPARATUS FOR MODULAR, MOBILE RAIL FUELING

Номер: US20190041004A1
Принадлежит:

A portable, modular fueling system for the storage, dispensing and offloading of fuel from a rail vehicle to one or more other fuel storage vessels is disclosed. The system module is self-contained on an ISO standardized intermodal platform. The module is capable of being in fluid communication with a plurality of modular storage vessels, either rail-bound or wayside, such as for delivering fuel to a fuel tender or a locomotive. Electrical power, equipment storage, lighting, and compressed air may be located on the intermodal rail car or in a support module, such as either ground-based or rail-mobile. Alternatively, the platform can be mounted to a trailer chassis, or affixed to a land-based foundation matching the standardized intermodal container footprint. Control of the fuel system is provided by automatic means with manual override. 1. A system for portable , modular fueling , the system comprising:a platform configured for intermodal rail transport, the platform having a storage tank for fuel and mounted to a frame, and the storage tank is configured to be in fluid communication with one or more storage vessels for fuel to deliver fuel thereto.2. The system of claim 1 , wherein the system is configured to handle fuel in both a gaseous state and a liquid state.3. The system of claim 1 , wherein the platform is configured to be mounted to an intermodal well rail car capable of providing a modular claim 1 , on-board dispensing system claim 1 , power claim 1 , storage claim 1 , lighting and compressed air.4. The system of claim 3 , wherein the intermodal well rail car comprises an electrical generator and an air compressor.5. The system of claim 4 , wherein the generator and the compressor are configured to be powered with shore power.6. The system of claim 1 , wherein the platform is configured to be mounted to a trailer chassis or a land-based foundation claim 1 , each having a footprint that matches a footprint of the intermodal rail transport.7. The system of ...

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07-02-2019 дата публикации

VESSEL COMPRISING ENGINE

Номер: US20190041125A1
Автор: JUNG Hae Won
Принадлежит:

A vessel includes an engine; a first self-heat exchanger for heat-exchanging boil-off gas discharged from a storage tank; a multi-stage compressor for compressing, in multi-stages, the boil-off gas, which has passed through the first self-heat exchanger after being discharged from the storage tank; a first decompressor for expanding a portion of the boil-off gas, which has passed through the first self-heat exchanger after being compressed by the multi-stage compressor; a second decompressor for expanding the other portion of the boil-off gas, which has passed through the first self-heat exchanger after being compressed by the multi-stage compressor; and a second self-heat exchanger for heat-exchanging and cooling the portion of the boil-off gas, which has been compressed by the multi-stage compressor, by using, as a refrigerant, a fluid which has been expanded by the first decompressor. 1. A ship including an engine , the ship comprising:a first self-heat exchanger performing heat exchange with respect to boil-off gas (BOG) discharged from a storage tank;a multistage compressor compressing the BOG discharged from the storage tank and having passed through the first self-heat exchanger in multiple stages;a first decompressor expanding some of the BOG having passed through the first self-heat exchanger after compression by the multistage compressor;a second decompressor expanding the other BOG having passed through the first self-heat exchanger after compression by the multistage compressor; anda second self-heat exchanger cooling some of the BOG compressed by the multistage compressor through heat exchange using the fluid expanded by the first decompressor as a refrigerant,wherein the first self-heat exchanger cools the other BOG compressed by the multistage compressor using the BOG discharged from the storage tank as a refrigerant.2. The ship according to claim 1 , wherein the BOG having passed through the second decompressor is sent to the storage tank.3. The ship ...

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08-05-2014 дата публикации

METHOD OF COOLING BOIL OFF GAS AND AN APPARATUS THEREFOR

Номер: US20140123699A1
Автор: Duckett Alan Roderick
Принадлежит: Babcock Integrated Technology

The disclosure relates to a method and apparatus for cooling, preferably liquefying a boil off gas (BOG) stream from a liquefied cargo in a floating transportation vessel, said liquefied cargo having a boiling point of greater than −110° C. at 1 atmosphere, said method comprising at least the steps of: -compressing a boil off gas stream () from said liquefied cargo in three or more stages of compression comprising at least a first stage (), a second stage () and final stage () to provide a compressed discharge stream (), wherein intermediate compressed BOG streams () are provided between consecutive stages of compression; -cooling the compressed discharge stream () to provide a cooled compressed discharge stream (); -heat exchanging an expanded, optionally further cooled, portion of the cooled compressed discharge stream (), with (i) one or more intermediate compressed BOG streams () from consecutive stages selected from between the second and final stages () of compression to provide one or more cooled intermediate compressed BOG streams () and optionally (ii) one or more portions (), optionally after further cooling, of the cooled compressed discharge stream (); and -passing the one or more cooled intermediate compressed BOG streams () to the next stage of compression (). 1. A method of cooling a boil off gas stream from a liquefied cargo in a floating transportation vessel , said liquefied cargo having a boiling point of greater than −110° C. at 1 atmosphere and selected from the group consisting of liquefied petroleum gas , liquefied petrochemical gas selected from propylene , and liquefied ammonia , said method comprising at least the steps of:compressing a boil off gas stream from said liquefied cargo in three or more stages of compression comprising at least a first stage, a second stage and final stage to provide a compressed discharge stream, wherein intermediate compressed BOG streams are provided between consecutive stages of compression;cooling the ...

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13-02-2020 дата публикации

THERMALLY INSULATING SEALED TANK COMPRISING A REINFORCING INSULATING PLUG

Номер: US20200049314A1
Принадлежит:

A sealed and thermally insulating tank for storing fluid has a wall including a supporting structure, a primary thermal insulation barrier and a primary sealing membrane lying against the primary thermal insulation barrier, contacting the stored fluid. The primary thermal insulation barrier includes a primary insulating panel which includes a bearing zone collaborating with an anchoring device bearing against the bearing zone of the external rigid plate holding it toward the supporting structure. The primary thermal insulation barrier includes a reinforcing insulating plug extending, in the thickness direction, from the bearing zone of the external rigid plate to a specific zone of the primary sealing membrane to take up the compressive forces on the specific zone of the primary sealing membrane. The reinforcing insulating plug includes a polymer foam layer having a compressive yield strength greater than that of the polymer foam layer of the primary insulating panel. 113565. A sealed and thermally insulating tank for storing a fluid having a wall () comprising , in a thickness direction from the exterior toward the interior of the tank , a supporting structure () , a primary thermal insulation barrier () and a primary sealing membrane () which lies against the primary thermal insulation barrier () and is intended to be in contact with the fluid stored in the tank;{'b': 5', '16', '19', '17', '19', '19', '6', '17', '35', '36', '17', '19', '37', '37', '19', '38', '38', '37', '19', '3, 'the primary thermal insulation barrier () comprising a primary insulating panel () including an external rigid plate () and a polymer foam layer () which is fixed on the external rigid plate () and is disposed between the external rigid plate () and the primary sealing membrane (), the polymer foam layer () having a recess (, ) which extends through the whole thickness of the polymer foam layer () and which forms, at the external rigid plate (), a bearing zone (), the bearing zone () of ...

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21-02-2019 дата публикации

SYSTEM FOR LIQUEFYING A GAS

Номер: US20190056174A1
Принадлежит: Cryostar SAS

A system () for liquefying a gas comprises a liquid piston gas multistage compressor (). It can be arranged on-board a liquefied gas carrier for recycling boil-off gas. Such system may be easily adapted or controlled for matching wide requirement ranges for variations of the liquefaction capacity. In addition, at least part of the liquid piston gas multistage compressor can be shared between the gas liquefying system and an extra gas-fed device. Such extra gas-fed device may be in particular a gas-fuelled or hybrid fuel propulsion engine of the vessel. 21101343. System according to claim 1 , adapted for being on-board a liquefied gas carrier claim 1 , in particular a liquefied gas carrier vessel claim 1 , wherein the gas intake () is dedicated to be connected so as to receive boil-off gas originating from liquefied gas contained in tanks arranged on-board the carrier claim 1 , said tanks forming at least part of the gas source () claim 1 , and a liquid outlet () of the gas expansion device () is connected to at least one of the tanks for discharging the liquefied gas produced by said gas expansion device.3. System according to claim 1 , adapted for processing gas containing methane claim 1 , ethane claim 1 , propane claim 1 , butane and blends thereof claim 1 , including natural gas and petroleum gas claim 1 , in particular gas comprised of more than 80% in-weight of methane.4212321252102102. System according to claim 1 , further adapted for delivering compressed gas processed by at least some of the compressor stages (-; -) of the liquid piston gas multistage compressor () claim 1 , to a fuel gas intake of an engine (; ′).51101343102102. System according to claim 4 , wherein said system is adapted for being on-board a liqufied gas carrier claim 4 , in particular a liquefied gas carrier vessel claim 4 , wherein the gas intake () is dedicated to be connected so as to receive boil-off gas originating from liquefied gas contained in tanks arranged on-board the carrier ...

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03-03-2016 дата публикации

COMPACT LIQUID NITROGEN PUMP

Номер: US20160061384A1
Автор: Caldwell Shane A., Li Gang
Принадлежит: UCHICAGO ARGONNE, LLC

The invention provides a cryogenic liquid pump system, having a first end with at least an insulating lid and motor; a second end, wherein the second end is a pump, said pump comprising an impeller; and a gas release plate upstream of the impeller; and a shaft disposed between the first end and the second end, wherein the motor imparts mechanical energy to the pump through the shaft. Also provided is a method for preventing cavitation of a cryogenic liquid in a cryogenic pump, the method having the steps of constantly maintaining pressure on the liquid in the pump and evacuating gas bubbles that form within the pump. 1. A cryogenic liquid pump system , said pump system comprising:a first end having at least an insulating lid and motor; an impeller; and', 'a gas release plate upstream of the impeller; and, 'a second end, wherein the second end is a pump, said pump comprisinga shaft disposed between the first end and the second end, wherein the motor imparts mechanical energy to the pump through the shaft.2. The pump system of claim 1 , wherein the pump further comprises an inducer downstream of the impeller claim 1 , wherein the inducer increases the pressure of the liquid at the impeller.3. The pump system of claim 1 , wherein the impeller is comprised of:a flat, circular disc; anda plurality of vanes arranged on a surface of the disc.4. The pump system of claim 3 , wherein the plurality of vanes comprises three vanes.5. The pump system of claim 4 , wherein each vane has a curvature approximately equal to Archimedes spiral.6. The pump system of claim 1 , wherein the shaft is substantially enclosed in a support tube.7. The pump system of claim 1 , further comprising:a cryogenic liquid container, wherein the second end of the pump system is inserted into the cryogenic liquid container and wherein the insulating lid covers the cryogenic liquid container; andat least one cryogenic conduit in fluid communication with the pump, wherein the cryogenic conduit runs from the ...

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01-03-2018 дата публикации

LPG FILLING SYSTEM OF BI-FUEL VEHICLE

Номер: US20180058632A1
Принадлежит: HYUNDAI MOTOR COMPANY

A liquefied petroleum gas (LPG) filling system of a bi-fuel vehicle is provided. The LPG filling system may be configured for reducing the temperature and pressure in an LPG bombe for storing LPG in the case in which the external temperature is very high, e.g. in the hot season, whereby it is possible to easily refill the LPG bombe with LPG. The LPG filling system is configured to cool the inside of an LPG bombe and to reduce the vapor pressure of LPG by supplying some gasoline from a gasoline tank into the LPG bombe using the fact that the temperature of gasoline in the gasoline tank is lower than the temperature of LPG in the LPG bombe, whereby it is possible to easily refill the LPG bombe with LPG even in the case in which the external temperature is very high, e.g. in the hot season. 1. A liquefied petroleum gas (LPG) filling system of a bi-fuel vehicle comprising:a gasoline pressurization line diverging from a gasoline supply line connected between a gasoline tank and an engine and connected to an LPG bombe;a solenoid valve mounted in the gasoline pressurization line;a controller configured for performing control, wherein the solenoid valve is configured to be opened or closed based on a pressure in the LPG bombe; anda nozzle mounted in the LPG bombe for spraying gasoline that passes through the gasoline pressurization line and is supplied from the gasoline tank into the LPG bombe when the solenoid valve is opened.2. The LPG filling system of claim 1 , wherein the nozzle includes a jet nozzle configured to vaporize gasoline when spraying gasoline.3. The LPG filling system of claim 1 , wherein the gasoline pressurization line is provided with a pressurization pump for pressurizing gasoline from the gasoline tank to the LPG bombe.4. The LPG filling system of claim 1 , wherein the gasoline pressurization line is provided with a pressure sensor configured for detecting a pressure of gasoline supplied from the gasoline tank to the LPG bombe.5. The LPG filling system ...

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05-03-2015 дата публикации

Method of heating a cryogenic liquid

Номер: US20150063409A1
Принадлежит: SNECMA SAS

A method of heating a cryogenic liquid contained in a cryogenic tank including a gas headspace. The method includes heating the cryogenic liquid by injecting gas at higher temperature under a free surface of the cryogenic liquid.

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20-02-2020 дата публикации

System and Method For Duplicating Flammable Gas

Номер: US20200056110A1
Принадлежит: Individual

A system and method for duplicating a flammable gas (SDFG) that utilizes a specially engineered liquid in combination with a purpose-built container to duplicate the flammable gas is disclosed. There are three methods for the production of an engineered liquid for use in the system. In less than one hour, a single unit of any flammable or hydrocarbon gas will yield up to at least double the quantity of the same gas back.

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04-03-2021 дата публикации

SEALED AND THERMALLY INSULATING TANK WITH ANTI-CONVECTIVE FILLER ELEMENT

Номер: US20210062972A1
Принадлежит:

The invention relates to a sealed and thermally insulating tank for storing a fluid, wherein a tank wall comprises, successively in a thickness direction, a secondary thermal insulation barrier (), a secondary sealing membrane (), a primary thermal insulation barrier () and a primary sealing membrane (), wherein the secondary sealing membrane () is a corrugated metal membrane comprising a series of parallel corrugations () forming channels and flat portions located between said corrugations (), and wherein anti-convection filler elements () are disposed in the corrugations () of the secondary sealing membrane () to generate a head loss in said channels. 11223421566475425262526642416202225264. A sealed and thermally insulating tank for storing a fluid , wherein a tank wall comprises , successively in a thickness direction , a secondary thermal insulation barrier () comprising a plurality of juxtaposed secondary insulating elements () , the secondary insulating elements () being retained against a support wall () , a secondary sealing membrane () supported by the secondary insulating elements () of the secondary thermal insulation barrier () , a primary thermal insulation barrier () comprising a plurality of juxtaposed primary insulating elements () , the primary insulating elements () being retained against the secondary sealing membrane () , and a primary sealing membrane () supported by the primary thermal insulation barrier () and intended to be in contact with the cryogenic fluid contained in the tank , wherein the secondary sealing membrane () is a corrugated metal membrane comprising a series of parallel corrugations ( , ) forming channels and flat portions located between said corrugations ( , ) , the primary insulating elements () having an external face covering the flat portions of the secondary sealing membrane () , the secondary insulating elements () having an internal face supporting the flat portions of the secondary sealing membrane () , wherein anti- ...

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20-02-2020 дата публикации

LNG PRODUCTION SYSTEM EQUIPPED WITH RECONDENSER

Номер: US20200056837A1
Принадлежит:

An LNG production system including a boil off gas recondenser that can recondense boil off gas without using a BOG compressor and without depending on an LNG liquefaction process is provided. 112-. (canceled)13. An LNG production system , comprising:a liquefier that cools and liquefies natural gas by indirect heat exchange with a refrigerant that is fed from a first refrigerator;an LNG tank that stores liquid natural gas liquefied in the liquefier;a transfer line for transferring the liquid natural gas from the LNG tank to an LNG carrier;a recondenser that recondenses boil off gas that is generated by the liquid natural gas, the recondensing performed by indirect heat exchange with the refrigerant fed from a second refrigerator; anda return line that feeds the recondensed boil off gas to the LNG tank from the recondenser.14. The LNG production system of claim 13 , wherein the first refrigerator and the second refrigerator are the same.15. The LNG production system of claim 13 , wherein the first refrigerator and the second refrigerator are different.16. The LNG production system of claim 13 , wherein the recondenser switches to perform claim 13 , alternately claim 13 , a first recondensation in a recondenser that recondenses boil off gas that is generated by the liquid natural gas claim 13 , the recondensing performed by indirect heat exchange with the refrigerant fed from a second refrigerator claim 13 , and a second recondensation wherein the boil off gas is recondensed by indirect heat exchange with the refrigerant from the second refrigerator and refrigerant from a refrigerant buffer claim 13 , thereby processing more boil off gas than the boil off gas at a time of the first recondensation processing.17. The LNG production system of claim 13 , wherein the recondenser is designed to recondense the boil off gas by a refrigerant under a pressure lower than an operating pressure of the LNG tank.18. The LNG production system of claim 13 , wherein the recondenser is ...

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20-02-2020 дата публикации

BOIL-OFF GAS RECYCLE SUBSYSTEM IN NATURAL GAS LIQUEFACTION PLANTS

Номер: US20200056838A1
Принадлежит:

A method of recycling liquefied natural gas (LNG) boil-off gas (BOG) in natural gas liquefaction plants can include: supplying a feed gas to a liquefaction subsystem; liquefying the feed gas to produce LNG and end-flash gas (EFG); compressing the EFG to compressed EFG; using the compressed EFG as fuel gas; storing the LNG in one or more LNG tanks; compressing LNG BOG from the one or more LNG tanks to produce compressed LNG BOG; and either (1) operating in a recycle mode by supplying at least a portion of the compressed LNG BOG to the feed gas via a bidirectional line, or (2) operating in a fuel mode by (a) supplying a portion of the feed gas to the fuel gas via the bidirectional line and (b) supplying the compressed LNG BOG to the fuel gas. 1. A natural gas liquefaction plant comprising:a feed gas line fluidly connected to a liquefaction subsystem to supply feed gas to the liquefaction subsystem;a liquefied natural gas (LNG) line fluidly connecting the liquefaction subsystem to one or more LNG tanks to supply LNG from the liquefaction subsystem to the one or more LNG tanks;an end-flash gas (EFG) line fluidly connecting the liquefaction subsystem to a fuel gas subsystem to supply EFG from the liquefaction subsystem to a fuel gas subsystem;a LNG boil off gas (BOG) header fluidly connecting the one or more LNG tanks to a compressor to supply LNG BOG from the one or more LNG tanks to the compressor;a compressed LNG BOG line fluidly connecting the compressor to a fuel gas line and a bidirectional line;the fuel gas line fluidly connecting the compressed LNG BOG line and the bidirectional line to the fuel gas subsystem;the bidirectional line fluidly connecting the feed gas line to the fuel gas line and fluidly connecting the compressed LNG BOG line to the feed gas line;wherein when in a recycle mode the compressed LNG BOG line supplies compressed LNG BOG from the compressor to the bidirectional line and the bidirectional line supplies the compressed LNG BOG from the ...

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17-03-2022 дата публикации

METHOD AND FILLING DEVICE FOR FILLING A TRANSPORT TANK

Номер: US20220082210A1
Принадлежит:

The present invention pertains to a method for filling a transport tank with a product medium in a liquid state in a gas liquefaction plant, comprising a step of supplying the product medium in the liquid state from a storage tank () of the gas liquefaction plant to the transport tank. The method is characterized in that it further comprises a step of discharging the product medium in a gaseous state from the transport tank into the storage tank (). 1. Method for filling a transport tank with a product medium in a liquid state in a gas liquefaction plant , comprising a step of supplying the product medium in the liquid state from a storage tank of the gas liquefaction plant to the transport tank , whereinthe method further comprises a step of discharging the product medium in a gaseous state from the transport tank to the storage tank.2. Method according to claim 1 , wherein the product medium in the gaseous state stored in the transport tank is fed into the storage tank downstream of a cooling and liquefying unit of the gas liquefaction plant which generates a liquid product medium stream to be supplied to the storage tank.3. Method according to claim 1 , wherein the product medium in the gaseous state stored in the transport tank is fed into the storage tank in its gaseous state.4. Method according to claim 1 , wherein the storage tank stores the product medium in both a liquid and a gaseous phase claim 1 , and the product medium in the gaseous state is discharged from the transport tank into the storage tank such that the product medium in the gaseous state is fed into the liquid phase.5. Method according to claim 1 , wherein the product medium in the gaseous state supplied to the storage tank from the transport tank is fed into a static mixer provided in or upstream of the storage tank.6. Method according to claim 1 , wherein the product medium in its gaseous state discharged from the transport tank is fed into a feed gas stream which claim 1 , upon flowing ...

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17-03-2016 дата публикации

SEALED AND THERMALLY INSULATED TANK

Номер: US20160076701A1
Принадлежит: GAZTRANSPORT ET TECHNIGAZ

A sealed and thermally insulating tank whose wall is fixed to a carrier wall. The tank wall includes a secondary thermal insulation barrier which is retained on the carrier wall and a secondary sealing barrier which is supported by the thermal insulation barrier. There is also a primary insulation barrier which is fixed to the secondary element of the tank by a fastener which is connected to the secondary insulation barrier. 1311311313303a. A sealed and thermally insulating tank which is integrated in a structure which comprises a carrier wall () , said tank comprising a tank wall which is fixed to said carrier wall , the tank wall comprising , on the one hand , a primary element and , on the other hand , a secondary element which is arranged between the carrier wall and the primary element , each of the primary and secondary elements including , on the one hand , a thermal insulation barrier which is constituted by insulation blocks () , () in the form of rectangular parallelepipeds which are juxtaposed in parallel rows , an insulation block ( , ) of a thermal insulation barrier comprising a layer of plastics material foam which is clamped between two rigid insulation plates ( , ) which delimit the insulation block , the two rigid plates being substantially parallel with the carrier wall in the zone in the region of which they are located and , on the other hand , a sealing barrier which is arranged on each of the thermal insulation barriers , the thermal insulation barrier of the secondary element being fixedly joined to the carrier wall , the thermal insulation barrier of the primary element being fixedly joined to the secondary element of the tank by fastening means which are connected to the thermal insulation barrier of the secondary element , and allowing the primary insulation blocks of the primary element of the tank wall to be pressed onto the secondary insulation blocks of the secondary element of the tank wall , characterized in that the fastening means ...

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15-03-2018 дата публикации

SEALED AND THERMALLY INSULATED TANK FITTED WITH A THROUGH-ELEMENT

Номер: US20180073678A1
Принадлежит:

The invention relates to a sealed and thermally insulating tank wherein the distance between two adjacent corrugations of the corrugated metal sheets of the sealing membrane is equal to a predetermined corrugation interval io, the sealing membrane comprising, around a through-element: 1. A sealed and thermally insulating tank intended for the storage of a fluid , said tank comprising a tank wall fixed to a flat bearing wall , the tank wall comprising a sealing membrane and a thermally insulating barrier disposed between the bearing wall and the sealing membrane , the sealing membrane essentially consisting of a plurality of corrugated metal sheets tightly welded to one another which form a first series of equidistant parallel rectilinear corrugations extending in a first direction of the plane of the bearing wall and a second series of equidistant parallel rectilinear corrugations extending in a second direction of the plane of the bearing wall , the second direction being at right angles to the first direction , the distance between two adjacent corrugations of the first series and the distance between two adjacent corrugations of the second series being equal to a predetermined corrugation interval io , the corrugated metal sheets having rectangular forms whose sides are parallel to , respectively , the first direction and the second direction of the plane of the bearing wall and whose dimensions are substantially equal to integer multiples of the corrugation interval , each edge of a corrugated metal sheet being situated between two adjacent corrugations parallel to said edge , the thermally insulating barrier essentially consisting of a plurality of juxtaposed insulating panels each having an inner face which forms a support surface for the sealing membrane , the insulating panels having rectangular parallelepipedal forms whose sides are parallel to , respectively , the first direction and the second direction of the plane of the bearing wall and whose ...

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07-03-2019 дата публикации

Method of Cooling Boil-Off Gas and Apparatus Therefor

Номер: US20190072323A1
Автор: Felbab Nikola
Принадлежит:

The present invention is a modification of a typical single mixed refrigerant (SMR) cycle for LNG re-liquefaction in particular, that allows the use of a cost-efficient oil-injected screw compressor in the mixed refrigerant system. In comparison with the typical arrangement, the present innovation allows for reduced complexity, fewer pieces of equipment, and reduced capital cost. There is shown a method of cooling a boil-off gas (BOG) stream from a liquefied gas tank using a single mixed refrigerant (SMR) comprising at least the step of heat exchanging the BOG stream with the SMR in a liquefaction heat exchanger system to provide a cooled BOG stream, wherein the SMR is provided in an SMR recirculating system comprising at least the steps of: (a) compressing the SMR using at least one oil-injected screw compressor to provide a post-compression SMR stream; (b) separating the post-compression SMR stream to provide an oil-based stream and a first SMR vapour stream; (c) passing the first SMR vapour stream into the liquefaction heat exchanger system to cool the first SMR vapour stream and provide a cooled first SMR vapour stream; (d) withdrawing the cooled first SMR vapour stream from the liquefaction heat exchanger system; (e) separating the cooled first SMR vapour stream to provide a liquid-phase SMR stream and an oil-free SMR vapour stream; (f) passing the oil-free SMR vapour stream through the liquefaction heat exchanger system to provide a condensed SMR stream; and (g) expanding the condensed SMR stream to provide an expanded lowest-temperature SMR stream to pass through the liquefaction heat exchanger system for heat exchange against the BOG stream. 1. A method of cooling a boil-off gas (BOG) stream from a liquefied gas tank using a single mixed refrigerant (SMR) comprising the steps of:heat exchanging the BOG stream with the SMR in a liquefaction heat exchanger system to provide a cooled BOG stream,wherein the SMR is provided in an SMR recirculating system ...

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16-03-2017 дата публикации

IMPERMEABLE AND THERMALLY INSULATED TANK COMPRISING A METAL MEMBRANE THAT IS CORRUGATED IN ORTHOGONAL FOLDS

Номер: US20170074455A1
Принадлежит:

An impermeable and thermally insulated tank built into a load-bearing structure, the tank wall comprising: 1. An impermeable and thermally insulated tank built into a structure that includes a load-bearing wall , said tank having a tank wall attached to said load bearing wall , the tank wall comprising:a thermal insulation barrier held on the load-bearing wall and made up of cuboid thermally insulating blocks, juxtaposed in parallel rows separated from one another by gaps,an impermeable barrier carried by the thermal insulation barrier, said impermeable barrier comprising a metal membrane formed of metal sheets welded together sealingly,at least some of the thermally insulating blocks of the thermal insulation barrier carrying, on the face of same opposite the load-bearing wall, at least two substantially orthogonal metal connecting strips, arranged parallel to the sides of the thermally insulating blocks, the sheets of the metal membrane carried by said thermally insulating blocks being welded to said strips, said connecting strips being rigidly connected to the thermally insulating blocks bearing same,a plurality of sheets of the metal membrane each having at least two orthogonal folds parallel to the sides of the thermally insulating blocks, said folds being inserted in the gaps formed between the thermally insulating blocks.2. The tank as claimed in claim 1 , wherein the tank wall has a primary element and a secondary element arranged between the load-bearing wall and the primary element claim 1 , both the primary element and the secondary element including a thermal insulation barrier made up of cuboid thermally insulating blocks claim 1 , juxtaposed in parallel rows and both the primary and secondary elements including an impermeable barrier arranged on the thermal insulation barrier claim 1 , the thermal insulation barrier of the secondary element being rigidly connected to the load-bearing wall claim 1 , the thermal insulation barrier of the primary element ...

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14-03-2019 дата публикации

SET FOR DISPENSING LIQUEFIED GAS

Номер: US20190078737A1
Автор: OURY Simon
Принадлежит: Cryostar SAS

A set () for dispensing liquefied gas from a vessel () comprises a supporting structure (), a pump () and a conditioning system (). The supporting structure is designed for maintaining both the pump and the conditioning system inside the vessel when the set is in operation condition for dispensing a flow of liquefied gas. The set allows easy handling, simple fitting to the vessel and easy removal from the vessel because a main part of said set can be handled as a one-block element. 2104211ab. Set () according to claim 1 , wherein the conditioning system () is suitable for cooling or warming up the flow of liquefied gas driven by the pump () claim 1 , on-the-fly during travelling of said flow of liquefied gas from the suction end () to the discharge end () when the set is in operation condition.3104100. Set () according to claim 1 , wherein the conditioning system () is suitable for cooling or warming up the gas in liquid phase contained in the vessel ().41011142ba. Set () according to claim 1 , arranged so that claim 1 , when the set is in operation condition claim 1 , the discharge end () of the supporting structure () is located higher than the suction end () along vertical direction claim 1 , and the supporting structure is further adapted for maintaining the conditioning system () higher than the pump () along the vertical direction.51071124ab. Set () according to claim 1 , further comprising a peripheral wall () extending from the suction end () to the discharge end () claim 1 , and surrounding both the pump () and the conditioning system () when the set is in operation condition.6105726. Set () according to claim 4 , further comprising a pipe () to be arranged within a volume (V) internal to the peripheral wall () for conducting the liquefied gas flow from the pump () to the liquid outlet () claim 4 ,{'b': 1', '3', '5', '7', '10, 'and wherein a height of the supporting structure () is suitable so that a gas volume exists below the sealing assembly () but the ...

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12-03-2020 дата публикации

BOIL-OFF GAS RE-LIQUEFYING SYSTEM

Номер: US20200079485A1
Принадлежит:

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. 1. A method of operating a ship having a main compressor , a redundancy compressor and a tank storing liquefied gas and boil-off gas generated from the liquefied gas , wherein the redundancy compressor is installed in parallel with the main compressor and configured to operate together with the main compressor or when the main compressor fails , the method comprising:supplying, to either or both of the main compressor and the redundancy compressor, boil-off gas discharged from the tank via a boil-off gas supply line;compressing, by either or both of the main compressor and the redundancy compressor, at least part of the boil-off gas from the boil-off gas supply line to provide a compressed boil-off gas at a first pressure level,splitting the compressed boil-off gas into at least three flows comprising a first flow, a second flow and a third flow of compressed boil-off gas;supplying the first flow of compressed boil-off gas at the first pressure level to a propulsion engine of the ship for consumption;processing the second flow of compressed boil-off gas for liquefying at least part of the second flow to provide ...

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31-03-2022 дата публикации

Method of Cooling Boil-Off Gas and Apparatus Therefor

Номер: US20220099365A1
Автор: Felbab Nik
Принадлежит:

There is provided a method of cooling a boil-off gas (BOG) stream from a liquefied gas tank using a single mixed refrigerant (SMR) comprising at least the step of heat exchanging the BOG stream with the SMR in a liquefaction heat exchanger system to provide a cooled BOG stream, 1. A method of cooling a boil-off gas (BOG) stream from a liquefied gas tank using a single mixed refrigerant (SMR) comprising the steps of:heat exchanging the BOG stream with the SMR in a liquefaction heat exchanger system to provide a cooled BOG stream, wherein the SMR is provided in an SMR recirculating system comprising the steps of(a) compressing the SMR using at least one centrifugal compressor to provide a post-compression SMR stream;(b) passing the post-compression SMR stream into the liquefaction heat exchanger system to cool the post-compression SMR stream and provide a cooled first SMR vapour stream;(c) withdrawing the cooled first SMR vapour stream from the liquefaction heat exchanger system;(d) separating the cooled first SMR vapour stream to provide a liquid-phase SMR stream and a light SMR vapour stream;(e) passing the light SMR vapour stream through the liquefaction heat exchanger system to provide a condensed SMR stream; and(f) expanding the condensed SMR stream to provide an expanded lowest-temperature SMR stream to pass through the liquefaction heat exchanger system for heat exchange against the BOG stream.2. The method as claimed in wherein the BOG is from a liquefied cargo tank in a floating vessel.3. The method as claimed in wherein the liquefaction heat exchanger system comprises a single liquefaction heat exchanger.4. The method as claimed in further comprising in step (e) the step of passing the light SMR vapour stream partly through a single liquefaction heat exchanger.5. The method as claimed in further comprising in step (e) the step of passing the light SMR vapour stream fully through a single liquefaction heat exchanger.6. The method as claimed in wherein the ...

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25-03-2021 дата публикации

CARGO STRIPPING FEATURES FOR DUAL-PURPOSE CRYOGENIC TANKS ON SHIPS OR FLOATING STORAGE UNITS FOR LNG AND LIQUID NITROGEN

Номер: US20210088185A1
Принадлежит:

An apparatus and method of storing and transporting, in a dual-use cryogenic storage tank, a cryogenic liquid having a liquefaction temperature. A first pump empties the tank of a first portion of the cryogenic liquid, thereby leaving a second portion of the cryogenic liquid in the cryogenic storage tank. A second portion of the cryogenic liquid is focused at a location on a bottom of the cryogenic storage tank. Using a second pump located at the location, the cryogenic storage tank is emptied of the second portion of the cryogenic liquid, whereby a residual portion of the cryogenic liquid is left therein. Using a focused heating structure, heat may be delivered to the location to raise the temperature of the residual portion above the liquefaction temperature, thereby vaporizing all of the residual portion. 1. A carrier for storing and transporting cryogenic liquids , comprising:a tank configured to store and transport a cryogenic liquid having a liquefaction temperature; fill the tank with the cryogenic liquid, and', 'empty the tank of a first portion of the cryogenic liquid, thereby leaving a second portion of the cryogenic liquid in the tank;, 'a first pump configured to'}a tank structure that focuses the second portion of the cryogenic liquid at a location on a bottom of the tank; anda second pump located at the location and configured to empty the tank of the second portion of the cryogenic liquid, whereby a residual portion of the cryogenic liquid is left therein.2. The carrier of claim 1 , wherein the tank structure comprises baffles surrounding the second pump claim 1 , the baffles being attached to the bottom of the tank.3. The carrier of claim 2 , further comprising a baffle top that encloses the second pump within the baffles claim 2 , the baffle top claim 2 , and the bottom of the tank.4. The carrier of claim 1 , wherein the tank structure comprises a pump well at the bottom of the tank claim 1 , the pump well comprising an indented portion of the ...

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25-03-2021 дата публикации

LOW EMISSION NOZZLES AND RECEPTACLES

Номер: US20210088187A1
Принадлежит:

A nozzle for dispensing fluid includes a probe slidably disposed in a main body. The probe has a probe body defining a check sealing surface and a check void. A check assembly is at least partially disposed in the check void, and includes a check configured to move relative to the main body and the probe body. A spring is configured to bias the check to sealingly engage the check against the check sealing surface of the probe body. 1. A nozzle for dispensing fluid , the nozzle comprising:a main body; and a probe body defining a check sealing surface and a check void, and', 'a check assembly at least partially disposed in the check void, the check assembly comprising a check configured to move relative to the main body and the probe body; and, 'a probe slidably disposed in the main body, the probe comprisinga spring configured to bias the check to sealingly engage the check sealing surface of the probe body.2. The nozzle of claim 1 , wherein the probe body comprises a spring seat and a poppet engager coupled to the spring seat.3. The nozzle of claim 1 , wherein the probe further comprises an annular seal disposed about the check.4. The nozzle of claim 3 , wherein the check is configured to extend beyond the annular seal when the check assembly is in a closed position.5. The nozzle of claim 1 , wherein the main body is configured to circumferentially surround a first portion of the probe when the nozzle is in a retracted position and a second portion of the probe when the nozzle is in an extended position claim 1 , the second portion being less than the first portion.6. The nozzle of claim 5 , wherein claim 5 , to transition the nozzle between the retracted position and the extended position claim 5 , the main body is configured to translate a first distance and the probe is configured to translate a second distance claim 5 , the second distance exceeding the first distance.7. The nozzle of claim 6 , wherein the main body and the probe are configured to move together ...

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29-03-2018 дата публикации

GAS STORAGE DEVICE

Номер: US20180087716A1
Автор: Kernene Nicolas
Принадлежит:

The present disclosure provides a gas storage device. In an embodiment, the gas storage device includes a cylinder with opposing ends. An endcap is present at each end. The cylinder and the endcaps form an enclosure. Each endcap includes a connector. A diaphragm is located in the enclosure. The diaphragm includes an annular sidewall. The device includes an inner chamber defined by an inner surface of the sidewall, and a storage space between an interior surface of the cylinder and an outer surface of the sidewall. A metal hydride composition is located in the storage space. 1. A gas storage device comprising:a cylinder with opposing ends and an endcap at each end, the cylinder and the endcaps forming an enclosure;each endcap comprising a connector;a diaphragm in the enclosure, the diaphragm comprising an annular sidewall;an inner chamber defined by an inner surface of the sidewall;a storage space between an interior surface of the cylinder and an outer surface of the sidewall; anda metal hydride composition located in the storage space.2. The gas storage device of comprising hydrogen gas in the enclosure.3. The gas storage device of wherein the inner chamber consists of hydrogen gas.4. The device of wherein the diaphragm sidewall comprises opposing ends;a flange located at each sidewall end; andeach flange is sandwiched between a respective cylinder end and a respective endcap.5. The device of wherein an inner surface of each endcap comprises a plurality of ports;a gasket is located between each endcap and each cylinder end;the gasket comprising a plurality of seats, each seat holding a semi-permeable membrane, each semi-permeable membrane aligned with a respective endcap port; andthe ports and the semi-permeable membranes provide fluid communication between the inner chamber and the storage space.6. The device of wherein an inner surface of each endcap comprises a plurality of ports;each flange comprises a plurality of seats, each seat holding a semi-permeable ...

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05-05-2022 дата публикации

HYDROGEN FUELING SYSTEMS AND METHODS

Номер: US20220136655A1
Принадлежит:

According to aspects, hydrogen fueling systems and methods are provided, including vehicle-to-vehicle communication techniques, hydrogen cooling techniques and/or hydrogen dispenser control techniques that facilitate improving aspects of a hydrogen fueling station.

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14-04-2016 дата публикации

FUEL TRANSFER AND STORAGE SYSTEMS AND METHODS

Номер: US20160101842A1
Принадлежит:

Liquid fuels are routinely used to provide energy for many different uses. Transferring and distributing liquid fuels have many challenges including providing safe and reliable transfers and distributions. Liquid fuels, for example, Liquid Natural Gas (LNG) may be transferred from a vessel at a relatively low flow rate. This system allows for leaks to be captured and contained to an area of a water based transfer platform rather than allowing the spill to spread out on the surface of the water. 1. A system comprising:a water based transfer platform;a supply vessel holding or receiving a liquid fuel detachably coupled to the water based transfer platform; and one or more trenches disposed in a surface of the water based transfer platform, the one or more trenches configured to collect a liquid and direct it in one or more directions; and', 'one or more sumps coupled to the one or more trenches, the one or more sumps configured to receive liquid collected from the one or more trenches and also configured to hold the liquid., 'a spill containment system located on the water based transfer platform, the spill containment system comprising2. The system of claim 1 , wherein the liquid is held in the one or more sumps until the liquid is neutralized.3. The system of claim 1 , wherein the liquid is held in the one or more sumps until the liquid has evaporated.4. The system of claim 1 , wherein the supply vessel comprises one or more of a ship claim 1 , a barge claim 1 , or a combination thereof.5. The system of claim 1 , wherein:the supply vessel is configured to transfer the liquid fuel to the water based transfer platform at a transfer flow rate;the transfer flow rate is below a threshold level; andthe spill containment system is configured to collect and hold a spill at the transfer flow rate for a spill period of time.6. The system of claim 5 , wherein the spill period of time is less than 20 minutes.7. The system of claim 5 , wherein the threshold level is less than ...

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04-04-2019 дата публикации

SYSTEM FOR TREATING A GAS DERIVING FROM THE EVAPORATION OF A CRYOGENIC LIQUID AND SUPPLYING PRESSURIZED GAS TO A GAS ENGINE

Номер: US20190101329A1
Автор: RAGOT Mathias
Принадлежит: Cryostar SAS

The system for treating a gas deriving from the evaporation of a cryogenic liquid and supplying pressurized gas to a gas engine according to the invention comprises, on the one hand, from upstream to downstream, a reliquefaction unit () with compression means (), a first heat exchanger () and expansion means (), and, on the other hand, a pressurized gas supply line comprising, from upstream to downstream, a pump () for pressurizing the liquid and high-pressure vaporization means (). 11011121317304861. A system for treating a gas deriving from the evaporation of a cryogenic liquid and supplying pressurized gas to a gas engine , said system comprising , on the one hand , from upstream to downstream , a reliquefaction unit () with compression means ( , , ) , a first heat exchanger () and expansion means () , and , on the other hand , a pressurized gas supply line comprising , from upstream to downstream , a pump () for pressurizing the liquid and high-pressure vaporization means () ,{'b': 61', '57', '60', '56', '22', '10', '17', '30, 'characterized in that the pressurized gas supply line has, upstream of the vaporization means (), a bypass () for supplying a second heat exchanger () between, on the one hand, pressurized liquid of the supply line () and, on the other hand, a line () of the reliquefaction unit () downstream of the first heat exchanger () and upstream of the expansion means ().'}25760. The system as claimed in claim 1 , characterized in that the bypass () supplies claim 1 , downstream of the second exchanger () claim 1 , a cooling system.37060. The system as claimed in claim 1 , characterized in that it comprises a third exchanger () mounted in series with and downstream of the second exchanger ().47060. The system as claimed in claim 1 , characterized in that it comprises a heat exchanger () mounted in parallel with the second exchanger ().55660. The system as claimed in claim 1 , characterized in that the bypass () supplies claim 1 , in addition to the ...

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19-04-2018 дата публикации

LOW VOLUME NITROGEN SYSTEMS

Номер: US20180106430A1
Принадлежит:

A system to maintain an inert ullage in a hydrocarbon tank. The system provides for outgassing/venting of ullage gases when a high pressure event is found within the tank. Further, when a low pressure event occurs, during fuel discharge or based on ambient conditions, a source of inert gas, such as nitrogen) supplies gas on-demand to the hydrocarbon tank via a pressure regulator (preferably along the venting system) to maintain both the pressure and inerting of the ullage. A method for maintaining the inert ullage is also provided, whereby a low pressure event triggers a supply of inert gas into the tank. 1. An automated hydrocarbon tank maintenance system comprising:a. a hydrocarbon tank comprising an ullage and a vent system, said vent system comprising a pressure relief valve;b. a source of inert gas coupled with said vent system, said source in fluid communication with said ullage;c. a pressure regulator coupled between said source and said vent system, whereby said pressure regulator adapted to allow inert gas to enter said hydrocarbon tank from said source when said pressure regulator registers a low pressure below a first predetermined low pressure threshold.2. The automated hydrocarbon tank maintenance system of wherein said pressure regulator is coupled to said pressure relief valve.3. The automated hydrocarbon tank maintenance system of wherein said pressure regulator adapted to open said vent system to accept gas from an external source when said pressure regulator registers a low pressure below a second predetermined low pressure threshold claim 1 , said second low pressure threshold being lower than said first low pressure threshold.4. The automated hydrocarbon tank maintenance system of claim 3 , wherein said pressure regulator first predetermined low pressure level is set at approximately two inches of water column pressure.5. The automated hydrocarbon tank maintenance system of claim 3 , wherein said pressure regulator second predetermined low ...

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02-04-2020 дата публикации

SYSTEM AND METHOD FOR LIQUID AIR ENERGY STORAGE

Номер: US20200102858A1
Принадлежит:

A liquid air energy storage system, the system comprising: a liquid air storage means; an input of a first pump in fluid communication with the liquid air storage means; a first heat exchanger in fluid communication with an output of the first pump; a second heat exchanger in fluid communication first heat exchanger and configured to receive the fluid stream from the first pump and the first heat exchanger; a first expander turbine generator in fluid communication with the second heat exchanger; the first heat exchanger in fluid communication with the first expander turbine generator; a third heat exchanger in fluid communication with the first heat exchanger and configured to receive the fluid stream from the first expander turbine generator and the first heat exchanger; a second expander turbine generator in fluid communication with the third heat exchanger; the first heat exchanger in fluid communication with the second expander turbine generator; the fluid stream from second expander turbine generator and first heat exchanger in fluid communication with ambient atmosphere; a mixed refrigerant stream in fluid communication with a third expander turbine generator; a fourth heat exchanger in fluid communication with the third expander turbine generator; a fourth expander turbine generator in fluid communication with the fourth heat exchanger; a fifth heat exchanger in fluid communication with the fourth expander turbine generator; the first heat exchanger in fluid communication with the fifth heat exchanger; an input of a second pump in fluid communication with the first heat exchanger, and configured to receive the mixed refrigerant stream from the fifth heat exchanger and the and the first heat exchanger; the first heat exchanger in fluid communication with the output of the second pump; a sixth heat exchanger in fluid communication with the first heat exchanger, and configured to receive the mixed refrigerant stream from the output of the second pump and the ...

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26-04-2018 дата публикации

TANK EQUIPPED WITH A WALL HAVING A SPECIFIC ZONE THROUGH WHICH PASSES A THROUGH-ELEMENT

Номер: US20180112823A1
Принадлежит: GAZTRANSPORT ET TECHNIGAZ

A sealed and thermally insulating tank intended for the storage of a fluid, the tank having a secondary insulating barrier having juxtaposed insulating panels; and a primary insulating barrier having insulating panels that are each arranged straddling at least four secondary insulating panels and anchored to the latter. The sealed tank is equipped with a through-element passing through a specific zone of the wall. In the specific zone of the wall, the longitudinal directions of the primary panels are perpendicular to the longitudinal directions of the secondary insulating panels. The through-element passes successively through an opening made in one of the secondary insulating panels and an opening made in one of the primary insulating panels. 1313415475. A sealed and thermally insulating tank intended for the storage of a fluid , said tank comprising a tank wall fixed to a carrying structure () , the wall comprising successively , in the direction of the thickness , from the exterior to the interior of the tank , a secondary thermally insulating barrier () retained against the carrying structure () , a secondary sealing membrane () carried by the secondary thermally insulating barrier () , a primary thermally insulating barrier () resting against the secondary sealing membrane () , and a primary sealing membrane () carried by the primary thermally insulating barrier () and designed to be in contact with the fluid contained in the tank;{'b': 1', '2', '2', '2', '2', '2', '2', '3', '2', '2', '2', '2', '2', '2', '19, 'i': a,', 'b,', 'c,', 'd,', 'e', 'a,', 'b,', 'c,', 'd,', 'e, 'the secondary thermally insulating barrier () comprising juxtaposed secondary insulating panels (, ), retained against the carrying structure () and having a rectangular parallelepipedal form having a longitudinal direction, each secondary insulating panel (, ) having an internal face, opposite the carrying wall, equipped with at least one anchoring member ();'}{'b': 5', '6', '6', '6', '6', '6', ...

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07-05-2015 дата публикации

PROCESS FOR RELIQUEFYING A METHANE-RICH FRACTION

Номер: US20150121953A1
Принадлежит: LINDE AKTIENGESELLSCHAFT

A process for reliquefying a methane-rich fraction, in particular boil-off gas, is described. In this process, 1. Process for reliquefying a methane-rich fraction , in particular boil-off gas , wherein{'b': 1', '1, 'a) the methane-rich fraction () is compressed (C) to a pressure which is at least 20% above the critical pressure of the fraction to be compressed,'}{'b': '2', 'b) liquefied and supercooled (E),'}{'b': '1', 'c) depressurized (V) to a pressure in the range from 5 to 20 bar and'}{'b': 4', '7, 'd) separated into a gaseous nitrogen-rich fraction () and a liquid nitrogen-depleted fraction () and'}{'b': 7', '2, 'e) the nitrogen-depleted fraction () is depressurized (V) to a pressure in the range from 1.1 to 2.0 bar,'}{'b': 8', '1, 'f) where the gaseous fraction () obtained is, without being warmed and compressed, mixed into the methane-rich fraction () and'}{'b': '9', 'g) the liquid product fraction () obtained in the depressurization of the low-nitrogen fraction has a nitrogen content of ≦1.5 mol %.'}221311312. Process according to claim 1 , where the liquefaction and supercooling (E) of the methane-rich fraction () are carried out against at least one refrigerant circuit and/or at least one refrigerant mixture circuit and this/these has/have at least one circuit compressor (C) claim 1 , characterized in that the pressure to which the methane-rich fraction () is compressed (C) claim 1 , the pressure to which the liquefied and supercooled methane-rich fraction () is depressurized (V) and the temperature to which the methane-rich fraction () is cooled are selected or varied in such a way that{'b': 1', '1', '3, 'the drive power of the compressor (C) used for compressing the methane-rich fraction () and the drive power of the circuit compressor(s) (C) are shifted relative to one another without the total power changing by more than ±5% or'}{'b': 1', '1', '3, 'the drive power of the compressor (C) used for compressing the methane-rich fraction () and the drive ...

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27-04-2017 дата публикации

LIQUEFIED GAS TREATMENT SYSTEM

Номер: US20170114960A1
Принадлежит:

The present invention relates to a liquefied gas treatment system in which a nitrogen control unit controls a content of nitrogen in a boil-off gas or a flash gas when a ratio of a nitrogen component of the flash gas is equal to or greater than a preset value. The efficiency of a boil-off gas compressor can be improved and the system can be stabilized by means of the nitrogen control unit. 1. A liquefied gas treatment system comprising:a boil-off gas compressor configured to pressurize boil-off gas supplied from a liquefied gas storage tank;a boil-off gas liquefier configured to liquefy at least a portion of the boil-off gas pressurized by the boil-off gas compressor,a vapor-liquid separator configured to separate flash gas from the boil-off gas liquefied by the boil-off gas liquefier and mix at least a portion of the flash gas with the boil-off gas; anda nitrogen control unit configured to control a content of nitrogen in the boil-off gas or the flash gas, when a ratio of a nitrogen component of the flash gas is equal to or greater than a preset value.2. The liquefied gas treatment system of claim 1 , further comprising a boil-off gas heat exchanger configured to exchange heat between the boil-off gas pressurized by the boil-off gas compressor and the boil-off gas supplied from the liquefied gas storage tank.3. The liquefied gas treatment system of claim 2 , further comprising a flash gas heat exchanger configured to exchange heat between the boil-off gas pressurized by the boil-off gas compressor and the flash gas claim 2 ,wherein the nitrogen control unit includes:a detector configured to analyze and detect components of the flash gas generated from the vapor-liquid separator,a distributor configured to distribute flow of the flash gas to allow at least a portion of the flash gas to be joined with the boil-off gas introduced into the boil-off gas compressor; anda nitrogen composition controller configured to control an operation of the distributor by checking ...

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13-05-2021 дата публикации

REFORMING SYSTEM CONNECTED WITH A RAW MATERIAL GAS VAPORIZATION SYSTEM

Номер: US20210140706A1
Автор: Ko Dong Seok
Принадлежит:

A raw material gas vaporization system includes: a storage tank for storing raw material gas and a transfer line for transferring the raw material gas; a reforming system including a reformer for producing hydrogen by reacting the raw material gas with water, a burner for applying heat to the reformer, and Pressure Swing Adsorption (PSA) for separating the hydrogen in the mixed gas generated from the reformer; a COseparation device for receiving off-gas in which the hydrogen has been removed in the mixed gas from the PSA to remove by liquefying COby exchanging heat with the transfer line of the raw material gas vaporization system; and a gas supply line for supplying the remaining gas in which the COhas been removed in the COseparation device to a burner as fuel. 1. A reforming system connected with a raw material gas vaporization system , the reforming system comprising:a raw material gas vaporization system comprising a storage tank for storing the raw material gas and a transfer line for transferring the raw material gas;a reforming system comprising a reformer for producing hydrogen by reacting the raw material gas with water, a burner for applying heat to the reformer, and a Pressure Swing Adsorption (PSA) for separating the hydrogen in the mixed gas generated from the reformer;{'sub': 2', '2', '2, 'a COseparation device for removing COfrom received off-gas which the hydrogen has been removed in the mixed gas from the PSA by liquefying carbon dioxide (CO) by exchanging heat with the transfer line of the raw material gas vaporization system; and'}{'sub': 2', '2, 'a gas supply line for supplying the remaining gas which the COhas been removed in the COseparation device to a burner as fuel.'}2. The reforming system according to claim 1 ,wherein the reforming system further comprises a Boil Off Gas (BOG) supply line to which BOG generated by vaporizing the raw material gas stored in the storage tank moves, andwherein the reformer of the reforming system produces ...

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05-05-2016 дата публикации

FLEXIBLE INTERFACE CLOSED CYCLE CRYOCAST WITH REMOTELY LOCATED POINT OF COOLING

Номер: US20160123537A1
Принадлежит:

A closed cycle cryocooler system for cooling a sample includes a cryocooler that receives helium gas and provides a cooled helium gas, a flexible interface that receives the cooled helium gas and provides the cooled helium gas to a rigid stinger assembly configured and arranged to provide the cooled helium gas to a cryostat. The flexible interface may include a first gas flow path that routes gas to the rigid stinger assembly, and a second gas flow path receives return gas from the rigid stinger. The first gas flow path may be radially interior with respect to the second gas flow path 1. A closed cycle cryocooler system for cooling a sample , comprising:a cryocooler that receives helium gas and provides a cooled helium gas; anda flexible interface that receives the cooled helium gas and provides the cooled helium gas to a rigid stinger assembly configured and arranged to provide the cooled helium gas to a cryostat.2. The system of claim 1 , wherein the flexible interface comprises a flexible hose.3. The system of claim 2 , wherein the flexible interface comprises a plurality of radially concentric longitudinal gas flow paths.4. The system of claim 2 , wherein the flexible interface comprises a plurality of radially concentric longitudinal gas flow paths and a heat exchanger.5. A system claim 2 , comprising:a cryocooler that receives gas and provides a cooled gas; anda flexible interface that receives the cooled gas and provides the cooled gas along a first gas flow path to a rigid stinger assembly, and receives return gas from the rigid stinger assembly via a second gas flow path, where the first gas flow path is radially interior with respect to the second gas flow path. This application claims priority from U.S. Provisional Patent Application Ser. No. 61/859,030, filed Jul. 26, 2013, which is hereby incorporated by reference.The present disclosure relates to cryogenic cooling of test samples with either an open cycle or closed cycle system, and in particular to ...

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03-05-2018 дата публикации

Cryogenic Tank Assembly with a Pump Drive Unit Disposed Within Fluid Storage Vessel

Номер: US20180119883A1
Принадлежит: Westport Powrt Inc.

A fluid storage and pressurizing assembly includes a storage receptacle and a pump assembly. The storage receptacle includes an inner vessel defining a cryogen space for storing a fluid at a storage pressure and a cryogenic temperature, an outer vessel surrounding the inner vessel, and an insulated space between the inner vessel and the outer vessel, and a pump assembly. The pump assembly includes a pump having an inlet disposed within the cryogen space for receiving a quantity of the fluid from the cryogen space, and an outlet for delivering the fluid therefrom, and a pump drive unit for driving the pump, the pump drive unit being at least partially disposed within a space defined by the storage receptacle 1. A fluid storage and pressurizing assembly comprising:a. a storage receptacle having an inner vessel defining a cryogen space for storing fluid at a storage pressure and a cryogenic temperature, an outer vessel surrounding the inner vessel, and an insulated space between the inner vessel and the outer vessel, and i. a pump having an inlet disposed within the cryogen space for receiving a quantity of the fluid from the cryogen space, and an outlet for delivering the fluid therefrom; and', 'ii. a pump drive unit, for driving the pump, at least partially disposed within a space defined by the storage receptacle., 'b. a pump assembly further comprising2. The storage and pressurizing assembly of claim 1 , wherein the inner vessel and outer vessel each further comprise a sleeve claim 1 , with the sleeve of the outer vessel extending within the sleeve of the inner vessel into the cryogen space claim 1 , and whereby the insulated space extends between the sleeve of the outer vessel and the sleeve of the inner vessel.3. The storage and pressurizing assembly of claim 2 , wherein the pump drive unit is at least partially disposed within the sleeve of the outer vessel.4. The storage and pressurizing assembly of claim 1 , wherein the insulated space is an evacuated space.5. ...

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25-04-2019 дата публикации

VESSEL INCLUDING INSULATING CORNER BLOCKS PROVIDED WITH STRESS RELIEF SLOTS

Номер: US20190120430A1
Принадлежит: GAZTRANSPORT ET TECHNIGAZ

A sealed and thermally-insulating fluid storage tank includes an angle arrangement placed at the intersection between the first and the second walls. The storage tank also includes a first and a second insulating blocks respectively retained on the first and second walls of the supporting structure and forming a corner of the thermally insulating barrier; and a metal angle structure forming a corner of the sealing membrane which is welded onto the plurality of metal plates of the first and second insulating blocks. Each of the first and second insulating blocks is associated with an adjacent insulating panel via a bridging element. Each of the first and second insulating blocks has at least one first and one second stress-relief slots extending respectively parallel and at right angles to the intersection between the first and the second walls. 15365. A sealed and thermally-insulating fluid storage tank comprising at least one thermally insulating barrier () retained on a supporting structure () and a sealing membrane () supported by said thermally insulating barrier () ,{'b': 5', '9', '57', '58', '3', '1', '2', '3', '12', '4', '1', '2, 'claim-text': [{'b': 30', '31', '1', '2', '5', '30', '31', '3', '38', '1', '2', '30', '31', '34, 'a first and a second insulating blocks (, ) respectively retained on the first and second walls (, ) of the supporting structure and forming a corner of the thermally insulating barrier (); each of the first and second insulating blocks (, ) comprising an outer face placed facing the supporting structure () and an inner face comprising metal plates () spaced apart from one another along the intersection between the first and the second walls (, ); said first and second insulating blocks (, ) comprising a layer of polymer foam (); and'}, {'b': 49', '50', '51', '6', '38', '30', '31, 'a metal angle structure (, , ) forming a corner of the sealing membrane () and comprising a first and a second wings which are respectively welded onto the ...

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25-08-2022 дата публикации

Cooling and/or liquefying system and method

Номер: US20220268516A1

Disclosed is a low-temperature refrigeration device comprising a working circuit that forms a loop and contains a working fluid, the device further comprising a cooling exchanger for extracting heat from at least one member by exchanging heat with the working fluid, the working circuit forming a cycle comprising, connected in series: a compression mechanism, a cooling mechanism, an expansion mechanism and a heating mechanism, wherein the mechanism for cooling the working fluid and the heating mechanism comprise a common heat exchanger in which the working fluid flows in opposite directions in two separate transit portions of the circuit according to whether it is cooled or heated, the device being designed to ensure equal mass flow rates in the two transit portions in the common heat exchanger, the device also comprising a bypass for bypassing one of the two transit portions, said bypass comprising a bypass valve which, in the open state, changes the mass flow rate in one of the two transit portions.

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01-09-2022 дата публикации

Method of Cooling Boil-Off Gas and Apparatus Therefor

Номер: US20220275998A1
Автор: Felbab Nikola
Принадлежит:

A method of cooling a boil-off gas (BOG) stream from a liquefied gas tank comprising at least the step of heat exchanging the BOG stream with a first refrigerant in a heat exchanger, the heat exchanger having an entry port and a warmer exit port, and comprising at least the steps of: (a) passing the first refrigerant into the entry port of the heat exchanger and into a first zone of the heat exchanger to exchange heat with the BOG stream, to provide a first warmer refrigerant stream; (b) withdrawing the first warmer refrigerant stream from the heat exchanger at an intermediate exit port between the entry port and the warmer exit port; (c) passing the first warmer refrigerant stream through an entry port located in a second zone of the heat exchanger that is warmer than the first zone (d) passing an oil-containing refrigerant stream through an entry port located in a second zone of the heat exchanger that is warmer than the first zone; (e) mixing the first warmer refrigerant stream and the oil-containing stream in the heat-exchanger to form a combined refrigerant stream; and (f) passing the combined refrigerant stream out of the heat exchanger through the warmer exit port. 1. A method of cooling a boil-off gas (BOG) stream from a liquefied gas tank comprising at least the step of heat exchanging the BOG stream with a first refrigerant in a heat exchanger , the heat exchanger having an entry port and a warmer exit port , the method comprising the steps of:(a) passing the first refrigerant into the entry port of the heat exchanger and into a first zone of the heat exchanger to exchange heat with the BOG stream and to provide a first warmer refrigerant stream;(b) withdrawing the first warmer refrigerant stream from the heat exchanger at an intermediate exit port between the entry port and a warmer exit port;(c) passing the first warmer refrigerant stream through a second entry port located in the second zone of the heat exchanger, the second zone of the heat exchanger ...

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23-04-2020 дата публикации

MODULAR CRYOGENIC SHIPPING SYSTEM

Номер: US20200124336A1
Автор: Moon William G., Tran Bao
Принадлежит:

A modular shipping system includes a bulk shipping space; and a base to support a pair of stackable cryogenic shipping subunits positioned in the bulk shipping space during long distance shipment, each subunit having a plurality of feet on a subunit bottom adapted to rest above a plurality of corresponding foot receptacles on a subunit lid, each subunit having its own cryogen connection source to maintain temperature during transit. 1. A shipping system , comprising:a. a bulk shipping space; andb. a base to support one or more cryogenic shipping subunits positioned in the bulk shipping space during long distance shipment, each subunit having a cryogen connection source to maintain temperature during transit.2. The system of claim 1 , comprising insulated walls in a reefer.3. The system of claim 1 , comprising a supply line coupled to a vaporizer claim 1 , wherein the supply line comprises a vacuum insulated piping (VIP) line.4. The system of claim 1 , wherein the cryogen flows in parallel and introduces equal amounts of cryogen to tubings.5. The system of claim 1 , wherein the cryogen is proportionally flow controlled into the heat exchanger based on real time expander data.6. The system of claim 1 , wherein a cryogen flow is based on the cryogen liquid temperature and a shipping container heat load.7. The system of claim 1 , comprising a shipping unit including:a shipping foundation;a cryogenic tank secured to the shipping foundation,a payload bay to receive products therein;a tube connected to the cryogenic tank and thermally coupled to the payload bay;a housing secured to the shipping foundation, said housing covering the tube and the payload bay to thermally seal the payload bay from outside environment;a controller mounted on the housing and having a sensor to determine temperature in a closed-loop and maintaining a set point within a predetermined range.8. The system of claim 1 , wherein the shipping foundation comprises a pallet with openings to receive ...

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19-05-2016 дата публикации

High Purity Phosphorus Oxychloride Safe Feeding System

Номер: US20160138760A1
Принадлежит:

A high purity phosphorus oxychloride safety feeding system: one end of a nitrogen gas inlet tube () connected to a nitrogen gas inlet valve is inserted into the bottom of a high purity phosphorus oxychloride storage tank (), and the other end external to a feeding device () is connected to a nitrogen gas valve (); one end of a nitrogen outlet tube () connected to a nitrogen gas outlet valve () is inserted into the top part of the high purity phosphorus oxychloride storage tank (); the feeding device () is provided with an automatic tail gas exhaust outlet () thereon; a high purity phosphorus oxychloride gas leakage detection alarm () is installed in the upper part of the inner wall of the feeding device (); a video surveillance camera () is installed in the middle part of the inner wall; a low liquid level detection alarm () is installed in the lower part of the inner wall, and is connected to a computer port () on the feeding device; an LED illuminating lamp () is installed at the bottom inside the feeding device (), and an observation window () is provided in the front of the feeding device (). The system improves continuity and intelligent control of operation and usage, addresses alarm reporting and takes measures when leakage of high purity phosphorus oxychloride occurs; and solves the problems of on-site and remote monitoring and material liquid level monitoring during the use of high purity phosphorus oxychloride. 1. A high purity phosphorus oxychloride safety feeding system , a feeding device having a temperature digital display meter , the feeding device having a high-purity phosphorus oxychloride storage tank therein , one end of a nitrogen inlet pipe connected with a nitrogen inlet valve being plugged into a bottom part of the high purity phosphorus oxychloride storage tank , the other end thereof out of the feeding device being connected with a nitrogen valve , one end of a nitrogen outlet pipe connected with a nitrogen outlet valve being plugged into a ...

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03-06-2021 дата публикации

METHOD AND SYSTEM FOR PROCESSING GAS IN A GAS STORAGE FACILITY FOR A GAS TANKER

Номер: US20210164728A1
Принадлежит: GAZTRANSPORT ET TECHNIGAZ

The invention relates to a gas treatment method and system of a gas storage facility (), in particular on board a ship, the method comprising the following stages: 1. A gas treatment method of a gas storage facility , in particular on board a ship , the method comprising the following stages:an extraction of a first gas in the liquid state from a first tank or first vessel,a first subcooling of the first gas in the liquid state, andstorage of the subcooled first gas in the liquid state in the lower part of the first tank or of the first vessel or of a second tank or of a second vessel, so as to constitute a reserve layer of cold of the first gas in the liquid state at the bottom of the first or second tank or of the first or second vessel.2. The method as claimed in claim 1 , characterized in that the first gas is transferred into the first or second tank or first or second vessel via a pipeline which emerges in the bottom of the first or second tank or first or second vessel.3. The method as claimed in claim 1 , characterized in that the first gas stored in the reserve layer of cold of the first or second tank or first or second vessel is used to cool a gas in the vapor state.4. The method as claimed claim 3 , characterized in that the gas in the vapor state is the first gas in the vapor state located in the upper part of one of the tanks or vessels.5. The method as claimed in claim 1 , characterized in that the first gas stored in the reserve layer of cold is sprayed into the first or second tanks or first or second vessels and into the layer of the first gas in the vapor state.6. The method as claimed in claim 1 , characterized in that the first gas stored in the reserve layer of cold is extracted from the bottom of one tank of the tanks or vessels and reliquefies the first gas in the vapor state through a heat exchanger.7. The method as claimed in claim 1 , characterized in that the subcooled first gas is stored in the reserve layer of cold when a measured ...

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18-05-2017 дата публикации

SEALED INSULATING TANK AND METHOD OF MANUFACTURING THE SAME

Номер: US20170138537A1
Принадлежит: GAZTRANSPORT ET TECHNIGAZ

A sealed insulating tank in which the secondary insulating barrier, the secondary sealing membrane, and the primary insulating barrier essentially consist of a set of prefabricated panels juxtaposed on the supporting structure. Sealing strips are arranged so that they overlap the adjoining edge zones of the leaktight linings of the prefabricated panels in order to complete the secondary sealing membrane between the prefabricated panels. Insulating blocks arranged on the sealing strips have a layer of thermal insulation covered by a rigid board and a reinforcing mat having a stiffness under tension which is greater than or equal to the stiffness under tension of the sealing strips and is glued to the layer of thermal insulation on a face of the layer of thermal insulation opposite the rigid board, the insulating block being each time fixed to the prefabricated panels by gluing the reinforcing mat to the underlying sealing strip. 19969. A sealed insulating tank having a tank wall fixed on a supporting structure () , in which the tank wall has a multilayer structure which comprises , successively , a primary sealing membrane () intended to be in contact with a product contained in the tank , a primary insulating barrier , a secondary sealing membrane , and a secondary insulating barrier ,{'b': 54', '55', '56', '52', '57', '58, 'in which the secondary insulating barrier, the secondary sealing membrane, and the primary insulating barrier essentially consist of a set of prefabricated panels () fixed on the supporting structure, each prefabricated panel comprising, successively, a rigid base board (), a first layer of thermal insulation () carried by the base board and forming, with the base board, an element of the secondary insulating barrier, a leaktight lining () which completely covers the first layer of thermal insulation, being glued to the first layer of thermal insulation, and which forms an element of the secondary sealing membrane, a second layer of thermal ...

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15-09-2022 дата публикации

PROCESSING APPARATUS AND GAS SUPPLY METHOD

Номер: US20220290814A1
Автор: NASU Seiya
Принадлежит:

A processing apparatus includes: a processing container configured to accommodate a substrate; a storage tank connected to the processing container via a gas supply pipe; a pressure sensor configured to detect a pressure in the storage tank; a valve provided in the gas supply pipe between the processing container and the storage tank; and a controller configured to control an opening degree of the valve based on the pressure in the storage tank detected by the pressure sensor. 1. A processing apparatus comprising:a processing container configured to accommodate a substrate;a storage tank connected to the processing container via a gas supply pipe;a pressure sensor configured to detect a pressure in the storage tank;a valve provided in the gas supply pipe between the processing container and the storage tank; anda controller configured to control an opening degree of the valve based on the pressure in the storage tank detected by the pressure sensor.2. The processing apparatus according to claim 1 , wherein the controller is configured to control the opening degree of the valve to make a drop amount of the pressure in the storage tank become equal to a set discharge pressure.3. The processing apparatus according to claim 2 , further comprising:an input device configured to input the set discharge pressure.4. The processing apparatus according to claim 2 , wherein the controller controls the opening degree of the valve in a first mode for fixing the valve to a constant opening degree claim 2 , and subsequently claim 2 , controls the opening degree of the valve in a second mode for controlling the opening degree of the valve to make the drop amount of the pressure in the storage tank become equal to the set discharge pressure.5. The processing apparatus according to claim 1 , wherein the storage tank stores a raw material gas.6. The processing apparatus according to claim 1 , wherein the controller is configured to perform a film formation by an atomic layer deposition ...

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01-06-2017 дата публикации

SEALED AND INSULATING TANK DISPOSED IN A FLOATING DOUBLE HULL

Номер: US20170152993A1
Принадлежит:

An internal bottom wall of the double hull bears a sump structure comprising a rigid container arranged through the thickness of the bottom wall of the tank and intended to accommodate a suction member of a pump. The rigid container comprises a bottom wall situated at a level further toward the outside than the secondary sealing membrane of the bottom wall of the tank. The sump structure comprises a primary connecting plate surrounding the container, the primary connecting plate having a connecting surface extending parallel to the primary sealing membrane of the bottom wall of the tank, the primary sealing membrane of the bottom wall of the tank being attached in a sealed manner to the connecting surface all around the sump structure. 1. A sealed and insulated tank equipped with an unloading pump and arranged in a floating double hull , the tank comprising tank walls which are fixed to internal walls of the floating double hull , in which tank a tank wall comprises a multilayer structure with multiple layers superposed in a thickness direction including a primary sealing membrane intended to be in contact with a product contained in the tank , a secondary sealing membrane arranged between the primary sealing membrane and the internal wall of the double hull , a secondary thermal insulation barrier arranged between the secondary sealing membrane and the internal wall of the double hull and supporting the secondary sealing membrane , and a primary thermal insulation barrier arranged between the primary sealing membrane and the secondary sealing membrane and supporting the primary sealing membrane ,in which an internal bottom wall of the double hull bears a bottom wall of the tank and a sump structure locally interrupting the primary sealing membrane of the bottom wall of the tank, the sump structure comprising a rigid container arranged through the thickness of the bottom wall of the tank,the unloading pump being arranged in the tank so that it draws up the product ...

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31-05-2018 дата публикации

METHODS AND APPARATUS FOR CRYOGENIC FUEL BAYONET TRANSFERS

Номер: US20180151898A1
Автор: Knapp Jeffrey H.
Принадлежит:

Methods and apparatus for cryogenic fuel bayonet transfers are disclosed. A disclosed example fuel transfer system includes a fuel tank. The example fuel transfer system also includes a bayonet receptacle extending into an internal volume of the fuel tank, where the bayonet receptacle is to receive a fuel transfer bayonet to fill the fuel tank with fuel and a fuel discharge bayonet to discharge the fuel. 1. A fuel transfer system comprising:a fuel tank; anda bayonet receptacle extending into an internal volume of the fuel tank, the bayonet receptacle to receive a fuel transfer bayonet to fill the fuel tank with fuel and to receive a fuel discharge bayonet to discharge the fuel.2. The apparatus as defined in claim 1 , further including an exchange portion extending into the hydrogen fuel tank.3. The fuel transfer system as defined in claim 2 , further including a check valve extending from the exchange portion.4. The fuel transfer system as defined in claim 3 , further including a relief valve extending from the exchange portion.5. The fuel transfer system as defined in claim 4 , wherein the check valve and the relief valve are oriented substantially perpendicular to one another within the fuel tank.6. The fuel transfer system as defined in claim 4 , wherein insertion of the discharge bayonet into the bayonet receptacle defines a pressure relief path.7. The fuel transfer system as defined in claim 1 , further including an insulation layer at least partially surrounding the bayonet receptacle.8. The fuel transfer system as defined in claim 1 , wherein the fuel tank is disposed within an unmanned aircraft claim 1 , and wherein the fuel discharge bayonet is to discharge the fuel to a fuel cell of the unmanned aircraft.9. An electric aircraft comprising:a fuel tank; andat least one bayonet receptacle extending into an internal volume of the fuel tank, the at least one bayonet receptacle to receive a fuel transfer bayonet to fill the fuel tank and a fuel discharge bayonet ...

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09-06-2016 дата публикации

TANK

Номер: US20160161058A1
Автор: MODDEMANN Horst
Принадлежит:

The invention relates to a tank comprising a container with an opening and a cover, a flexible casing lying against the interior and exterior of the container. This allows increased resistance to the penetration of sharp objects, liquid and gaseous gases can be used interchangeably and various gas types with a fossil-type and biological-type consistency can be mixed and also heated and cooled in the tank. The invention relates to tanks () and staged tanks of the preceding claims, characterised in that in addition to LNG, said tanks can store biological methane gas. 1. A tank adapted for the accumulation and storage of a cryogenic medium , the tank comprising a container with an opening and a cover , wherein a flexible cladding bears against the container at an inside and at an outside.2. The tank of claim 1 , wherein the cladding is of unipartite form.3. The tank of claim 1 , wherein the cladding is selected from one of hose-like form and stocking-like form.4. The tank of claim 1 , wherein an opening of the cladding is closed off in one of a non-positively locking fashion and positively locking fashion.5. The tank of claim 1 , wherein the cladding is a flexible foil or a woven material claim 1 , the woven material comprising at least one of aramide claim 1 , graphene carbon nanotubes and a flexible plastics foil with graphene coating.6. The tank of claim 1 , wherein the cladding comprises at least one of an aramide cladding and a woven material claim 1 , the at least one of an aramide cladding and a woven material having at least one of varying diameters and varying densities.7. The tank of claim 1 , wherein the cladding bears in wound form against the container in multiple layers at least one of the inside and at the outside.8. The tank of claim 1 , wherein the container comprising a compressible and thermally insulating material.9. The tank of claim 1 , wherein the container is coated on at least one of the inside and the outside.10. The tank of claim 1 , wherein ...

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23-05-2019 дата публикации

Method And System For At Least Partially Converting Methane-Containing Gas, In Particular Boil-Off Gas, Retained In A Container, To A Liquid State

Номер: US20190154331A1
Принадлежит: LIQAL B.V.

Method for at least partially converting methane-containing gas, in particular boil-off gas, retained in a container, to a liquid state, the method comprising the subsequent steps of: 1. A method for at least partially converting methane-containing gas , retained in a container , to a liquid state , the method comprising the steps of:feeding methane-containing gas from said container to a compressor, and increasing, by said compressor, a pressure of said fed methane-containing gas;feeding said increased pressurized methane-containing gas to a cooling unit for cooling said pressurized methane-containing gas;decreasing said pressure of said pressurized and cooled methane-containing gas, thereby obtaining methane-containing liquid and flash-off gas;feeding said methane-containing liquid and said flash-off gas to said container, wherein said flash-off gas is inputted into said container at or near a bottom part of said container for at least partly dissolving said flash-off gas into said methane-containing liquid.2. The method according to claim 1 , further comprising the step of:exchanging heat in a heat exchanger via said heat exchanger between said methane-containing gas and said methane-containing liquid and said flash-off gas, wherein said methane-containing gas is fed to said heat exchanger before said step of feeding said methane-containing gas to said compressor, and wherein said methane-containing liquid and said flash-off gas are fed to said heat exchanger before said step of feeding said methane-containing liquid and said flash-off gas to said container.3. The method according to claim 1 , further comprising the step of:exchanging heat in a further heat exchanger via said further heat exchanger between said methane-containing gas and said pressurized methane-containing gas, wherein said methane-containing gas is fed to said further heat exchanger before said step of feeding said methane-containing gas to said compressor.4. The method according to claim 1 , ...

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24-06-2021 дата публикации

Methods and Apparatuses For Using Dry Ice Containers

Номер: US20210190405A1
Принадлежит:

Methods and apparatuses for loading, removing, accessing, positioning or preserving one or more items in a presence of dry ice are provided. The apparatus includes a tapered container that has a barrier-like structure which can partition the inner volume of the tapered container into an internal product storage volume and a dry icechamber. Each of the regions remain substantially undisturbed during handling, operation, use and transport of the tapered container. Methods for selectively introducing dry ice into the dry ice chamber of the tapered container and engaging the barrier-like structure within the tapered container can be achieved with a novel guiding assembly apparatus. The methods and apparatuses are particularly useful when loading and retrieving one or more items in the presence of dry ice for tapered containers that have single restrictive access openings and/or other characteristics which make access and handling difficult. 1. An apparatus with a single restrictive access opening for loading , positioning , removing , or accessing one or more items that can be stored , preserved or transported in a presence of dry ice , comprising:a tapered container with an interior volume defined by an interior body section and an interior neck section, the interior body section comprising at least a first region, wherein the first region is a dry ice chamber, said dry ice chamber adapted to receive substantially all of the dry ice that is selectively directed into the interior volume of the tapered container through the single restrictive access opening located at the interior neck section;the interior volume of the tapered container further including a second region that is non-overlapping with the first region of the tapered container, wherein the second region is an internal product storage volume contained within a barrier-like structure, the internal product storage volume characterized by a substantial absence of the dry ice, the internal product storage volume ...

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30-05-2019 дата публикации

METHOD OF IMPROVING COMPRESSED NATURAL GAS TANK FILL

Номер: US20190162367A1
Автор: JR. Michael, SWAB
Принадлежит: CARRIER CORPORATION

A system for cooling compressed natural gas comprises a compressed natural gas coil located within a compartment. The compressed natural gas coil has a compressed natural gas inlet and a compressed natural gas outlet. The system also comprises a refrigerant coil located within the compartment. The refrigerant coil has a refrigerant inlet and a refrigerant outlet. The system further comprises a heat transfer fluid located within the compartment. The heat transfer fluid thermally connecting the compressed natural gas coil to the refrigerant coil. 1. A system for cooling compressed natural gas , the system comprising;a compressed natural gas coil located within a compartment, the compressed natural gas coil having a compressed natural gas inlet and a compressed natural gas outlet;a refrigerant coil located within the compartment, the refrigerant coil having a refrigerant inlet and a refrigerant outlet; anda heat transfer fluid located within the compartment, the heat transfer fluid thermally connecting the compressed natural gas coil to the refrigerant coil.2. The system of claim 1 , further comprising:a refrigeration unit fluidly connected to the refrigerant coil, the refrigeration unit including at least one of a refrigerant compression device and a refrigerant heat rejection heat exchanger, wherein the refrigerant compression device includes a suction side.3. The system of claim 2 , further comprising:a first bypass valve fluidly connected to the refrigeration unit and the refrigerant coil, the first bypass valve being configured to direct the refrigerant from the refrigerant heat rejection heat exchanger to the refrigerant inlet, when the first bypass valve is activated; anda second bypass valve fluidly connected to the refrigeration unit and the refrigerant coil, the second bypass valve being configured to direct the refrigerant from the refrigerant outlet to the suction side of the refrigerant compression device, when the second bypass valve is activated.4. The ...

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01-07-2021 дата публикации

METHOD FOR INCREASING PUMP NET POSITIVE SUCTION HEAD

Номер: US20210199245A1
Автор: KONG Paul, PHAM Minh Huy

A method for increasing the available net positive suction head (NPSHa) for a cryogenic pump is provided. In one embodiment, the method can include the steps of: increasing a pressure within a liquid storage tank to at least a pumping set point, wherein the pumping set point is configured to cause the NPSHa to exceed the NPSHr; starting the cryogenic pump, thereby sending liquid from within the liquid storage tank through the pump and to an end user; stopping the cryogenic pump, thereby stopping flow of the liquid from the liquid storage tank; and resetting the pressure within the liquid storage tank to at least a storage set point. 1. A method for increasing the available net positive suction head (NPSHa) for a cryogenic pump , wherein the cryogenic pump has a required net positive suction head (NPSHr) , the method comprising the steps of:increasing a pressure within a liquid storage tank to at least a pumping set point, wherein the pumping set point is configured to cause the NPSHa to exceed the NPSHr;starting the cryogenic pump, thereby sending liquid from within the liquid storage tank through the pump and to an end user;stopping the cryogenic pump, thereby stopping flow of the liquid from the liquid storage tank; andresetting the pressure within the liquid storage tank to at least a storage set point.2. The method of claim 1 , wherein the step of increasing the pressure within the liquid storage tank further comprises sending a pressurized gas from an external gas source into a headspace of the liquid storage tank.3. The method of claim 1 , wherein the step of increasing the pressure within the liquid storage tank further comprises withdrawing fluid from the liquid storage tank and introducing said liquid into a pressure building unit that is configured to increase the pressure of the fluid claim 1 , and then introducing said fluid at an increased pressure to the liquid storage tank claim 1 , thereby increasing the pressure within the liquid storage tank.4. The ...

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23-06-2016 дата публикации

LNG Fueling Station and LNG Fueling Method Using LNG Tank Container

Номер: US20160178127A1
Принадлежит: KOREA GAS CORPORATION

An LNG fueling station according to the present invention includes: an installation part on which an LNG tank container is installed, and a supply part for supplying liquefied natural gas from the LNG tank container installed on the installation part to an object for supply, wherein the LNG tank container can be transported and installed while storing the liquefied natural gas, and the LNG tank container is transported to the installation part and then installed on the installation part. 1. A liquefied natural gas (LNG) fueling station , comprising:an installation part configured to receive an LNG tank container; anda supply part configured to supply liquefied natural gas from the LNG tank container installed on the installation part to an object for supply,wherein the LNG tank container is capable of being transported and installed while the liquefied natural gas is stored therein and is thus installed on the installation part after being transported to the installation part.2. The LNG fueling station of further comprising a crane part configured to lift and carry the LNG tank container claim 1 , which is transported to the installation part claim 1 , to the installation part.3. The LNG fueling station of claim 2 , wherein the installation part comprises:a base installed on the ground configured to load the LNG tank container;a vertical frame vertically installed from the base; anda horizontal frame horizontally installed while being supported by the vertical frame,wherein the crane part is moved along the horizontal frame.4. The LNG fueling station of claim 3 , wherein the horizontal frame is configured to extend longer than the base to guide the crane part up to the outside of the base.5. The LNG fueling station of further comprising a movable part which is movably provided in the installation part claim 1 , is detachably fixed to the LNG tank container claim 1 , and allows the LNG tank container loaded on a transporting means to move to the installation part or ...

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21-06-2018 дата публикации

Ship

Номер: US20180170505A1

A ship including a liquefied gas storage tank includes: first and second compressors which compresse a boil-off gas discharged from a storage tank; a boost compressor which compresses one part of the boil-off gas that is compressed by at least any one of the first compressor and/or the second compressor; a first heat exchanger which heat exchanges the boil-off gas compressed by the boost compressor and the boil-off gas discharged from the storage tank; a refrigerant decompressing device which expands the other part of the boil-off gas that is compressed by at least any one of the first compressor and/or the second compressor; a second heat exchanger which cools, by a fluid expanded by the refrigerant decompressing device as a refrigerant; and an additional compressor which is compresses the refrigerant that passes through the refrigerant decompressing device and second heat exchanger.

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21-06-2018 дата публикации

Ship

Номер: US20180170506A1

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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08-07-2021 дата публикации

METHOD FOR CONTROLLING THE FILLING LEVELS OF TANKS

Номер: US20210207773A1
Принадлежит:

A method for managing the filling levels of a plurality of tanks arranged in a ship, said tanks being connected in such a way as to allow liquid to be transferred between said tanks, the method comprising 12345612345623456. A management method for managing the filling levels of a plurality of tanks ( , , , , ) arranged in a ship () , said tanks ( , , , , ) being connected in such a way as to allow liquid to be transferred between said tanks ( , , , , ) , the method comprising{'b': 7', '2', '3', '4', '5', '6, 'providing an initial state () defining initial filling levels of the tanks (, , , , ),'}{'b': 8', '2', '3', '4', '5', '6, 'determining a target state () defining final filling levels of said tanks (, , , , ),'}{'b': 9', '2', '3', '4', '5', '6, 'determining a liquid transfer scenario (), the transfer scenario defining one or more flows of liquid to be transferred between the tanks (, , , , ) during a transfer period in order to shift from the initial state to the target state of the tanks,'}{'b': '10', 'calculating a probability of damage to the tanks () as a function of successive filling levels of the tanks during the transfer period, the probability of damage to the tanks defining a probability that at least one tank will be damaged during the course of the transfer scenario,'}{'b': 2', '3', '4', '5', '6, 'generating a series of instructions intended to transfer the liquid between the tanks (, , , , ) in accordance with said transfer scenario if the probability of damage to the tanks satisfies an acceptance criterion.'}21323456. The management method as claimed in claim 1 , further comprising claim 1 , if the probability of damage to the tanks satisfies the acceptance criterion claim 1 , transferring () the liquid between the tanks ( claim 1 , claim 1 , claim 1 , claim 1 , ) in accordance with said transfer scenario.3. The management method as claimed in one of to claim 1 , further comprising providing a transfer capacity parameter defining a transfer ...

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11-06-2020 дата публикации

Cryogenic Liquid Dispensing System Having a Raised Basin

Номер: US20200182409A1
Автор: Jan Kubica, Martin Lansky
Принадлежит: Chart Inc

A cryogenic liquid dispensing system having a tank that holds cryogenic liquid and a basin configured to hold cryogenic liquid at a height above a bottom portion of the tank. The system is configured to pump cryogenic liquid for dispensing from the bottom portion of the tank when the cryogenic liquid in the tank is of a sufficient level to provide an adequate liquid head to permit pump operation, and is configured to pump cryogenic liquid for dispensing from the basin when the liquid in the tank is of an insufficient level to provide an adequate liquid head to permit pump operation to dispense cryogenic liquid.

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23-07-2015 дата публикации

STATION AND METHOD FOR SUPPLYING A FLAMMABLE FLUID FUEL

Номер: US20150204604A1
Автор: VARRASSI Lucien
Принадлежит:

Station for supplying a flammable fluid fuel comprising a first cryogenic tank () for storing fuel in the form of a cryogenic liquid, a second cryogenic tank () for storing an inert gas, a cooling circuit () in a heat-exchange relationship with the first tank (), the cooling circuit () comprising an upstream end connected to the second cryogenic tank () for drawing cryogenic fluid from the second cryogenic tank () in order to give up frigories from the fluid of the second cryogenic tank () to the first tank (), the station comprising a circuit () for withdrawing fluid derived from the second tank (), characterized in that the cooling circuit comprises two pipes () comprising an upstream end connected to the second tank (), the two pipes () each being provided with a respective exchanger () housed in the first tank (), the two exchangers () being respectively situated in the upper and lower parts of the first tank. 1. A station for supplying a flammable fluid fuel , the station comprising a first cryogenic tank for storing flammable fuel in the form of a cryogenic liquid , a second cryogenic tank for storing an inert gas stored in the form of a cryogenic liquid , a cooling circuit comprising at least one heat exchanger in a heat-exchange relationship with the first tank , the cooling circuit comprising at least one upstream end connected to the second cryogenic tank for drawing cryogenic fluid from the second cryogenic tank in order to give up frigories from the fluid of the second cryogenic tank to the first tank , the station comprising a circuit for withdrawing fluid derived from the second tank , wherein the cooling circuit comprises two pipes each one comprising an upstream end connected to the second tank , the two pipes each being provided with a respective heat exchanger housed in the first tank , the two exchangers being respectively situated in the upper and lower parts of the first tank.2. The station of claim 1 , wherein the circuit for withdrawing fluid ...

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12-07-2018 дата публикации

SHIP COMPRISING ENGINE

Номер: US20180194447A1

A ship comprising an engine is disclosed. The ship comprising an engine comprises: a self-heat exchanger which heat-exchanges boil-off gas discharged from a storage tank; a multi-stage compressor which compresses, in multi-stages, boil-off gas that passed through the self-heat exchanger after being discharged from the storage tank; a first decompressing device which expands one portion of boil-off gas that passed through the self-heat exchanger after being compressed by the multi-stage compressor; and a second decompressing device which expands the other portion of the boil-off gas that passed through the self-heat exchanger after being compressed by the multi-stage compressor, wherein the self-heat exchanger uses boil-off gas discharged from the storage tank and boil-off gas expanded by the first decompressing device as refrigerants for cooling boil-off gas compressed by the multi-stage compressor. 1. A ship comprising an engine , the ship further comprising:a self-heat exchanger performing heat exchange with respect to boil-off gas (BOG) discharged from a storage tank;a multistage compressor compressing the BOG discharged from the storage tank and having passed through the self-heat exchanger in multiple stages;a first decompressor expanding some of the BOG compressed by the multistage compressor and having passed through the self-heat exchanger;a second decompressor expanding the other BOG compressed by the multistage compressor and having passed through the self-heat exchanger,wherein the self-heat exchanger cools the BOG compressed by the multistage compressor using the BOG discharged from the storage tank and the BOG expanded by the first decompressor as a refrigerant.2. The ship comprising an engine according to claim 1 , wherein the BOG having passed through the second decompressor and having a gas/liquid mixed phase is sent to the storage tank.3. The ship comprising an engine according to claim 1 , further comprising:a second liquid/gas separator disposed ...

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18-06-2020 дата публикации

A process system and a fluid transfer system comprising such a process system

Номер: US20200189692A1
Принадлежит:

A process system () for transfer of a fluid between a floating or non-floating facility () and a receiving structure () via a support unit () is disclosed, where the process system () comprises:—a first pipe element () for transport of fluid on the support unit (),—a second pipe element () for transport of fluid on the support unit (),—a first cross over pipe () that is fluidly connected to the first pipe element () and the second pipe element (),—a second cross over pipe () that is fluidly connected to the first pipe element () and the second pipe element (),—a first valve device () arranged in the first cross over pipe (),—a second valve device () arranged in the second cross over pipe ()—a first cargo valve device () that is provided in the first pipe element (),—a second cargo valve device () that is provided in the second pipe element (). A fluid transfer system () comprising such a process system () is also disclosed. 1. A fluid transfer system , comprising a process system and a support unit where the process system is arranged on the support unit , and for transfer of a fluid between a floating facility and a receiving structure via the support unit , wherein the process system comprises:a first pipe element for transport of fluid on the support unit,a second pipe element for transport of fluid on the support unit,a first cross over pipe that is fluidly connected to the first pipe element and the second pipe element,a second cross over pipe that is fluidly connected to the first pipe element and the second pipe element,a first valve device arranged in the first cross over pipe,a second valve device arranged in the second cross over pipea first cargo valve device that is provided in the first pipe element, anda second cargo valve device that is provided in the second pipe element.2. Fluid transfer system according to claim 1 , wherein the first cargo valve device is provided in the first pipe element between a first cross pipe connection claim 1 , where the ...

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27-06-2019 дата публикации

MODULAR AND SEPARABLE CRYOGENIC SHIPPING SYSTEM

Номер: US20190195547A1
Автор: Moon William G., Tran Bao
Принадлежит:

A modular shipping system includes a bulk shipping space; and a base to support a pair of stackable cryogenic shipping subunits positioned in the bulk shipping space during long distance shipment, each subunit having a plurality of feet on a subunit bottom adapted to rest above a plurality of corresponding foot receptacles on a subunit lid, each subunit having its own cryogen connection source to maintain temperature during transit. 1. A shipping system , comprising:a. a bulk shipping space; andb. a base; andc. a pair of stackable cryogenic shipping subunits above the base and positioned in the bulk shipping space during long distance shipment, each subunit having a plurality of feet on a subunit bottom adapted to rest above a plurality of corresponding foot receptacles on a subunit lid, each subunit having its own cryogen connection to one or more cryogen tank sources coupled to the base to maintain temperature during transit, a temperature controller including a temperature sensor to achieve multiple temperature set-points from −150 degree Celsius to ambient temperature, and an onboard power source operating independently of external power during shipment with independent temperature set-points for each subunit;d. a quick connect post for the subunits; ande. proximity sensors on the quick connect post to detect a configuration of either a single subunit or a stacked subunits, and to control cryogenic coolant flows to the single subunit or to the pair of stacked subunits.2. The system of claim 1 , comprising insulated walls.3. The system of claim 1 , comprising a supply line coupled to a vaporizer claim 1 , wherein the supply line comprises a vacuum insulated piping (VIP) line.4. The system of claim 1 , wherein the cryogen flows in parallel and introduces equal amounts of cryogen to tubings.5. The system of claim 1 , wherein the cryogen is proportionally flow controlled into a heat exchanger based on real time data.6. The system of claim 1 , wherein a cryogen flow ...

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27-06-2019 дата публикации

Methods for pre-charging carbon dioxide snow

Номер: US20190195548A1
Принадлежит: Praxair Technology Inc

Manual and automated methods of pre-charging an empty or partially empty insulated container with CO2 snow are provided. A first location such as a charging location charges CO2 liquid into a container to create a pre-charged container with CO2 snow. The charging location prepares the pre-charged container for delivery to a second location, either by itself, or through a third party. The second location may be a clinical site, which upon receipt of the pre-charged container, loads a perishable item such as a biological sample into the pre-charged container. A user receives the pre-charged container with perishable item and removes the perishable item from the pre-charger container for testing (e.g., biological testing). Depending on the level of depletion of the CO2 snow in the pre-charged container, the user returns the depleted container to the first location or the intermediate location.

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29-07-2021 дата публикации

SYSTEM AND METHOD FOR RECONDENSING BOIL-OFF GAS FROM A LIQUEFIED NATURAL GAS TANK

Номер: US20210231366A1
Принадлежит: AIR PRODUCTS AND CHEMICALS, INC.

Systems and methods are described for increasing capacity and efficiency of a nitrogen refrigerant boil-off gas recovery system for a natural gas storage tank. Boil-off gas is condensed against two-phase nitrogen in a condensing heat exchanger having an inner vessel through which the boil-off gas flows and an outer vessel through which the two phase nitrogen flows. Logic controls maintain storage tank pressure and power consumption within preferred levels by adjusting the pressure of the two-phase nitrogen in the heat exchanger. Additional logic controls maintain the temperature difference between the nitrogen streams entering into and returning from the cold end of a second heat exchanger by controlling the position of an expansion valve on the return circuit. 1. A method for re-condensing a boil-off gas stream comprising natural gas from a storage tank , the method comprising:(a) at least partially condensing the boil-off gas stream in a first heat exchanger against a two phase refrigerant stream to form an at least partially condensed boil-off gas stream and a gaseous refrigerant stream, the two phase refrigerant stream comprising no more than 5 mol % hydrocarbons and at least 90 mol % of at least one selected from the group of nitrogen and argon, the two-phase refrigerant stream having a gas phase portion and a liquid phase portion in the first heat exchanger;(b) returning the at least partially condensed boil-off gas stream to the storage tank;(c) heating the gaseous refrigerant stream in a second heat exchanger against a high pressure refrigerant stream to form a warmed refrigerant stream;(d) compressing the warmed refrigerant stream in a compression system to form a compressed refrigerant stream;(e) cooling the compressed refrigerant stream in a third heat exchanger to form the high pressure refrigerant stream;(f) cooling the high pressure refrigerant stream against the gaseous refrigerant stream in the second heat exchanger to form a high pressure cooled ...

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19-07-2018 дата публикации

CRYOGENIC CONTAINER WITH RESERVE PRESSURE BUILDING CHAMBER

Номер: US20180202609A1
Автор: Madison Grant
Принадлежит:

A system for dispensing cryogenic liquid includes a container defining an interior with a partition dividing the interior into primary and reserve chambers. Cryogenic liquid within the primary chamber is separated from cryogenic liquid in the reserve chamber. The partition provides a headspace communication passage so that the headspaces of the primary and reserve chambers are in fluid communication with one another. A primary pressure building circuit has an inlet selectively in liquid communication with the primary chamber and an outlet in fluid communication with the headspaces of the primary and reserve chambers. A reserve pressure building circuit has an inlet selectively in liquid communication with the reserve chamber and an outlet in fluid communication with the headspaces of the primary and reserve chambers of the tank. An equalizing circuit is selectively in liquid communication with the primary and reserve chambers. A dispensing line is selectively in liquid communication with the primary chamber. 1. A system for dispensing cryogenic liquid comprising;a. a container defining an interior;b. a partition dividing the interior into a primary chamber and a reserve chamber, each of said primary and reserve chambers configured to contain a cryogenic liquid with a headspace above the cryogenic liquid, where the cryogenic liquid within the primary chamber is separated from the cryogenic liquid in the reserve chamber, said partition also configured to provide a headspace communication passage so that the headspace of the primary chamber is in fluid communication with the headspace of the reserve chamber;c. a primary pressure building circuit having an inlet selectively in liquid communication with a bottom portion of the primary chamber and an outlet in fluid communication with the headspaces of the primary and reserve chambers of the tank;d. a reserve pressure building circuit having an inlet selectively in liquid communication with a bottom portion of the reserve ...

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28-07-2016 дата публикации

DEVICE FOR RECOVERING VAPOURS FROM A CRYOGENIC TANK

Номер: US20160216029A1
Автор: RAGOT Mathias
Принадлежит:

This device comprises: a compression unit () having a plurality of stages, said unit being supplied with gas from the cryogenic tank () and delivering gas at an engine supply pressure, a reliquefaction system () having an outlet for liquid to the cryogenic tank (), and an exchanger () arranged between the cryogenic tank () and the compression unit (), in order to heat the evaporation gas coming from the tank () before it enters the compression unit (). The evaporation gas coming from the cryogenic tank () is heated by gas compressed inside the compression unit () to a pressure lower than the engine supply pressure. The reliquefaction system () is supplied with gas compressed inside the compression unit () to a pressure lower than the supply pressure of the engine. 12. A device for recovering vapors from a cryogenic tank () , comprising:{'b': 4', '2, 'a compression unit () having several compression stages, said unit being supplied with gas from the cryogenic tank () and delivering gas at an engine supply pressure,'}{'b': 20', '2, 'a reliquefaction system () having an outlet for liquid to the cryogenic tank (),'}{'b': 10', '2', '4', '2', '4, 'an exchanger () arranged between the cryogenic tank () and the compression unit (), in order to cool the gas before it enters the liquefaction system and thereby heat the evaporation gas coming from the tank () before it enters the compression unit (),'}{'b': 2', '4', '20', '4', '4, 'characterized in that the evaporation gas coming from the cryogenic tank () is heated by gas compressed inside the compression unit () to a pressure lower than or equal to the engine supply pressure, and in that the reliquefaction system () is supplied with gas compressed inside the compression unit () to a pressure less than the supply pressure of the engine, optionally cooled by the evaporation gas supplying the compression unit ().'}241018181020. The device for recovering evaporation gas according to claim 1 , characterized in that the ...

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06-08-2015 дата публикации

METHOD AND APPARATUS FOR REDUCING BOIL-OFF GAS LOSSES FROM A LIQUID STORAGE TANK

Номер: US20150219280A1
Принадлежит:

In another embodiment of the invention, a method for reducing boil-off gas losses from a liquid storage tank having a liquid and boil-off gas contained therein is provided. In one embodiment, the method can include the steps of pumping the liquid from the liquid storage tank to a heat exchanger using a liquid pump; subcooling the liquid within the heat exchanger by using cold energy from vaporization of liquid nitrogen to form a subcooled liquid; and introducing the subcooled liquid to the liquid storage tank, thereby reducing the temperature within the liquid storage tank. 1. A method for reducing boil-off gas losses from a liquid storage tank having a liquid and a boil-off gas contained therein , the method comprising the steps of:(a) measuring a condition selected from the group consisting of outside temperature, temperature within the liquid storage tank, pressure within the liquid storage tank, liquid level within the liquid storage tank, heat absorption by the liquid storage tank, and combinations thereof;(b) pumping the liquid from the liquid storage tank to a heat exchanger using a liquid pump, wherein the liquid pump is configured to adjust the flow rate of the liquid to the heat exchanger based on the condition measured in step (a);(c) subcooling the liquid within the heat exchanger by using cold energy from a flow of nitrogen to form a subcooled liquid, wherein the heat exchanger is in fluid communication with an outlet of a liquid nitrogen storage tank, such that the heat exchanger is configured to receive a flow of nitrogen from the liquid nitrogen storage tank; and(d) introducing the subcooled liquid to the liquid storage tank, thereby reducing the temperature within the liquid storage tank,wherein the flow rate of the liquid pumped from the liquid storage tank to the heat exchanger and/or the flow rate of the nitrogen from the liquid nitrogen storage tank is adjusted, such that during the cooling step (c), BTUs of heat are removed from the boil-off ...

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26-07-2018 дата публикации

BOIL-OFF GAS RELIQUEFACTION METHOD AND SYSTEM FOR LNG VESSEL

Номер: US20180209723A1
Автор: JUNG Hae Won

Disclosed herein is a BOG reliquefaction system for LNG vessels. The BOG reliquefaction system includes a compressor compressing BOG, a heat exchanger cooling the compressed BOG by exchanging heat between the compressed BOG and BOG used as a refrigerant, and an expansion unit for expanding the BOG having been cooled by the heat exchanger, wherein the heat exchanger includes a core, in which heat exchange between a hot fluid and a cold fluid occurs, the core including a plurality of diffusion blocks, and a fluid diffusion member diffusing a fluid introduced into the core or a fluid discharged from the core. 1. A boil-off gas (BOG) reliquefaction system for LNG vessels , comprising:a compressor compressing BOG;a heat exchanger cooling the compressed BOG by exchanging heat between the compressed BOG and BOG used as a refrigerant; andan expansion unit expanding the BOG having been cooled by the heat exchanger,wherein the heat exchanger comprises:a core in which heat exchange between a hot fluid and a cold fluid occurs, the core comprising a plurality of diffusion blocks;a perforated panel resisting a fluid introduced into the core or a fluid discharged from the core to diffuse the fluid;a hot fluid inlet header diffusing the hot fluid introduced into the heat exchanger to send the hot fluid to the core;a hot fluid outlet header collecting the hot fluid discharged from the core to discharge the hot fluid outside the heat exchanger;a cold fluid inlet header diffusing the cold fluid introduced into the heat exchanger to send the cold fluid to the core; anda cold fluid outlet header collecting the cold fluid discharged from the core to discharge the cold fluid outside the heat exchanger,the perforated panel being disposed between the hot fluid inlet header and the core, between the hot fluid outlet header and the core, between the cold fluid inlet header and the core, and/or between the cold fluid outlet header and the core.2. The BOG reliquefaction system for LNG vessels ...

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09-10-2014 дата публикации

System and method for deriving storage tank operation plan

Номер: US20140303792A1
Принадлежит: Osaka Gas Co Ltd

To derive a feasible solution for an operation plan problem for storage tanks for storing liquefied natural gas, which is a complicated mixed-integer non-linear problem, given tank initial state information, reception plan information, and feed plan information, two solving processes are executed alternately two or more times, respectively: a first solving process that replaces a mixed-integer non-linear programming problem with a mixed-integer linear programming problem by linear approximation of a non-linear expression in non-linear constraints containing the non-linear expression, and solves the problem to derive provisional solutions or final solutions for a reception pattern that prescribes a storage tank that is to receive liquefied natural gas, and a discharge pattern that prescribes a storage tank that is to discharge liquefied natural gas, and a second solving process that replaces a mixed-integer non-linear programming problem with a continuous non-linear programming problem by provisionally fixing a discrete variable in discrete form constraints containing the discrete variable, and solves the problem to derive provisional solutions or final solutions for transitions of storage quantity and storage heat quantity of liquefied natural gas in each storage tank.

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13-08-2015 дата публикации

Liquefied gas fuel filling system

Номер: US20150226378A1
Принадлежит: Isuzu Motors Ltd, Miyairi Valve Mfg Co Ltd

A liquefied gas fuel filling system provided with a filling and pressure-balanced receptacle at a vehicle side combined with a filling and pressure-balanced nozzle at a station side connected with a storage tank, and an excess flow prevention valve provided in a pressure-balanced line for making the filling and pressure-balanced receptacle and a gas-phase region of a fuel tank contact each other. An orifice is provided in a pressure-balanced receptacle of the filling and pressure-balanced receptacle, thereby enabling the fuel tank to be smoothly filled with liquefied gas even when the outside air temperature rises.

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02-08-2018 дата публикации

APPARATUS AND METHOD FOR BOIL-OFF GAS RELIQUEFACTION

Номер: US20180216876A1
Автор: KIM In Woong

Disclosed herein is a boil-off gas reliquefaction apparatus. The boil-off gas reliquefaction apparatus includes: a plurality of compressors arranged in parallel to compress boil-off gas discharged from a storage tank; a reliquefaction unit reliquefying the boil-off gas compressed by each of the plurality of compressors; and a plurality of supply lines providing a path through which the boil-off gas is supplied from the plurality of compressors to the reliquefaction unit and a path through which the boil-off gas flows in the reliquefaction unit, wherein the plurality of supply lines is arranged independently of one another without being joined together. 1. A boil-off gas reliquefaction apparatus , comprising:a plurality of compressors arranged in parallel to compress boil-off gas discharged from a storage tank;a reliquefaction unit reliquefying the boil-off gas compressed by each of the plurality of compressors; anda plurality of supply lines providing a path through which the boil-off gas is supplied from the plurality of compressors to the reliquefaction unit and a path through which the boil-off gas flows in the reliquefaction unit,wherein the plurality of supply lines is arranged independently of one another without being joined together.2. The boil-off gas reliquefaction apparatus according to claim 1 , wherein the plurality of compressors comprises a first compressor and a second compressor.3. The boil-off gas reliquefaction apparatus according to claim 2 , wherein the second compressor acts as a redundant compressor of the first compressor.4. The boil-off gas reliquefaction apparatus according to claim 1 , wherein the reliquefaction unit comprises a heat exchanger cooling boil-off gas compressed by each of the plurality of compressors by exchanging heat with boil-off gas discharged from the storage tank claim 1 , and the boil-off gas discharged from the storage tank is acting as a refrigerant while flowing in the heat exchanger.5. The boil-off gas ...

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02-08-2018 дата публикации

METHOD AND SYSTEM FOR PROCESSING A LIQUID NATURAL GAS STREAM AT A LNG IMPORT TERMINAL

Номер: US20180216877A1
Принадлежит:

The invention relates to a of processing a liquid natural gas stream at a LNG import terminal. The method comprises operating a vaporization unit obtaining a pressurized vaporized natural gas stream and operating a slushification unit to obtain a slush of liquid and solids and a cooled vapour phase. The method further comprises withdrawing the cooled vapour phase from the slushifier providing a cooled vapour stream and passing the cooled vapour stream to the vaporization unit. 1. Method of processing a liquid natural gas stream , the method comprises providing a first liquid natural gas stream from one or more storage tanks,', 'pressurizing the first liquid natural gas stream providing a pressurized liquid natural gas stream,', 'vaporizing the pressurized liquid natural gas stream obtaining a pressurized vaporized natural gas stream,, 'a) operating a vaporization unit by providing a second liquid natural gas stream from the one or more storage tanks,', 'passing the second liquid natural gas stream to a slushifier in which the second liquid natural gas stream is cooled down and depressurized to triple point conditions of the liquid natural gas stream to obtain a slush of liquid and solids and a cooled vapour phase,', 'withdrawing the cooled vapour phase from the slushifier providing a cooled vapour stream and', 'passing the cooled vapour stream to the vaporization unit., 'b) operating a slushification unit by2. Method according to claim 1 , wherein the method comprisesobtaining a boil-off gas stream from the one or more storage tanks.3. Method according to claim 1 , wherein passing the cooled vapour stream to the vaporization unit comprisescompressing the vapour stream providing a compressed vapour stream,combining the compressed vapour stream with the compressed vaporized natural gas stream providing a combined natural gas stream.4. Method according to claim 2 , wherein the method further comprisescompressing the boil-off gas stream providing a compressed boil-off ...

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02-08-2018 дата публикации

BOIL-OFF GAS RECOVERY SYSTEM

Номер: US20180216878A1

A boil-off gas recovery system includes a tank storing liquefied gas, an oil supply type compressor for compressing boil-off gas generated by partial evaporation of the liquefied gas in the tank , and a reliquefying system for liquefying the boil-off gas compressed by the oil supply type compressor and returning the liquefied gas that has been liquefied to the tank . The reliquefying system includes a heat exchanger for oil constituent condensation for cooling down the boil-off gas to a temperature equal to or lower than a condensation temperature of an oil constituent contained in the boil-off gas, a separator for separating the oil constituent condensed by the heat exchanger for oil constituent condensation from the boil-off gas, and a reliquefying portion for liquefying the boil-off gas from which the oil constituent is separated. 1. A boil-off gas recovery system comprising:a tank storing liquefied gas;an oil supply type compressor for compressing boil-off gas generated by partial evaporation of the liquefied gas in the tank; anda reliquefying system for liquefying the boil-off gas compressed by the oil supply type compressor and returning the liquefied gas that has been liquefied to the tank,wherein the reliquefying system includes a heat exchanger for oil constituent condensation for cooling down the boil-off gas to a temperature equal to or lower than a condensation temperature of an oil constituent contained in the boil-off gas, a separator for separating the oil constituent condensed by the heat exchanger for oil constituent condensation from the boil-off gas, and a reliquefying portion for liquefying the boil-off gas from which the oil constituent is separated.2. The boil-off gas recovery system according to claim 1 , wherein the reliquefying portion includes a heat exchanger for gas liquefaction for cooling down the boil-off gas claim 1 , from which the oil constituent has been separated by the separator claim 1 , to a liquefiable temperature claim 1 , an ...

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02-07-2020 дата публикации

STORAGE TANK WITH PRESSURE ACTUATED FILL TERMINATION ASSEMBLY

Номер: US20200208778A1
Принадлежит:

Gas pressure actuated fill termination valves for cryogenic liquid storage tanks and storage tanks containing the same. 1. A cryogenic liquid storage tank , comprising:a vessel for containing a cryogenic liquid;a fill pipe in communication with the vessel wherein the vessel is filled with the cryogenic liquid via the fill pipe;a fill termination assembly associated with the fill pipe, the fill termination assembly including a valve having an open position for allowing cryogenic liquid to flow through the fill pipe during filing of the vessel and a closed position for preventing cryogenic liquid from flowing through the fill pipe when the vessel has been filled with a selected amount of cryogenic liquid; andwherein the fill termination assembly moves from the open position to the closed position when a pressure of a gas within the fill termination assembly decreases to a threshold pressure, the pressure of the gas decreasing to the threshold pressure when the vessel is filled to the selected amount.2. The cryogenic liquid storage tank of wherein the fill termination assembly includes a chamber containing the gas.3. The cryogenic liquid storage tank of wherein the chamber containing the gas extends at least partially into the vessel claim 2 , and wherein the cryogenic liquid contacts the chamber claim 2 , thereby lowering the temperature of the gas within the chamber claim 2 , resulting in a decrease of the pressure of the gas to the threshold temperature.4. The cryogenic liquid storage tank of wherein the chamber of the fill termination assembly includes a movable segment and a static segment claim 2 , wherein the moveable segment is operatively connected to the valve.5. The cryogenic liquid storage tank of wherein the moveable segment is connected to the valve by a lever.6. The cryogenic liquid storage tank of wherein the moveable segment is operatively connected to the valve by an electric circuit or by wireless connection.7. The cryogenic liquid storage tank of ...

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02-07-2020 дата публикации

Boil-off gas reliquefaction system

Номер: US20200208780A1

Disclosed is a BOG reliquefaction system. The BOG reliquefaction system includes: a compressor compressing BOG; a heat exchanger cooling the BOG compressed by the compressor through heat exchange using BOG not compressed by the compressor as a refrigerant; a pressure reducer disposed downstream of the heat exchanger and reducing a pressure of fluid cooled by the heat exchanger; and a second oil filter disposed downstream of the pressure reducer, wherein the compressor includes at least one oil-lubrication type cylinder and the second oil filter is a cryogenic oil filter.

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