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Liquefied Natural Gas

Liquefied Natural Gas-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Heat-insulation system for liquefied natural gas cargo hold
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
November 09, 2017 - N°20170320549

Disclosed is a heat-insulation system for a liquefied natural gas cargo hold, which comprises a primary sealing wall, a secondary sealing wall, and a secondary heat-insulating layer, and is applied to a liquefied natural gas cargo hold. The heat-insulation system for a liquefied natural gas cargo hold comprises a collar stud installed on a line on the upper surface of ...
Integrated nitrogen removal in the production of liquefied natural gas using intermediate feed gas separation
Air Products And Chemicals, Inc.
October 05, 2017 - N°20170284737

A method and apparatus for liquefying a natural gas feed stream and removing nitrogen therefrom to produce a nitrogen-depleted lng product, in which a natural gas feed stream is fed into the warm end of a main heat exchanger, cooled and at least partially liquefied, withdrawn from an intermediate location of the main heat exchanger and separated to form a ...
System and method for the production of liquefied natural gas
Dresser-rand Company
September 21, 2017 - N°20170268818

A system and method for producing liquefied natural gas are provided. The method may include compressing a process stream containing natural gas in a compression assembly to produce a compressed process stream. The method may also include removing non-hydrocarbons from the compressed process stream in a separator, and cooling the compressed process stream with a cooling assembly to thereby produce ...
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Heat exchange system between liquefied natural gas and heat dissipation apparatus
Hon Hai Precision Industry Co., Ltd.
September 07, 2017 - N°20170254480

A heat exchange system includes a cold source, a heat dissipation apparatus, a water storage tank, a heating portion, and a cooling portion. The heating portion is coupled between the cold source and the water storage tank. The cooling portion is coupled between the heat dissipation apparatus and the water storage tank. The cooling portion transmits heat of the heat ...
Liquefied natural gas fuel barge
Trinity Marine Products, Inc.
August 24, 2017 - N°20170240251

A system that includes a marine vessel with a vaporizer skid disposed on the marine vessel. The vaporizer skid is configured to convert a liquid to a gas. The system further includes a first tank disposed on the marine vessel that is configured to store the liquid. The system further includes a plurality of header modules disposed on the marine ...
Compressed natural gas vehicle safety system and method
Trinity Marine Products, Inc.
August 17, 2017 - N°20170233243

A multiply-redundant system that protects fueling of rockets, aircraft and other vehicles using liquefied natural gas (lng) along with an oxidizer such as liquefied oxygen. One or more sensors in combination with one or more optional microswitches combine to detect any leaks, fire or explosion hazards quickly locking out further fueling. For different levels of safety, different combinations of sensors ...
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Method for the production of liquefied natural gas
Dresser-rand Company
July 06, 2017 - N°20170191749

A system and method for producing liquefied natural gas are provided. The method may include compressing a process stream containing natural gas in a compression assembly to produce a compressed process stream. The method may also include removing non-hydrocarbons from the compressed process stream in a separator, and cooling the compressed process stream with a cooling assembly to thereby produce ...
System and method for storing and transferring a cryogenic liquid
Green Buffalo Fuel, Llc
July 06, 2017 - N°20170191619

This fluid storage and transfer system includes a first storage tank and second storage tank configured to contain cryogenic liquids. The first storage tank has a heat exchanger. A second cryogenic liquid from the second storage tank subcools a first cryogenic liquid in the first storage tank and pressurizes the first storage tank. The first storage tank is then further ...
Liquefied natural gas storage tank and insulating wall for liquefied natural gas storage tank
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
June 22, 2017 - N°20170175952

The present invention relates to a liquefied natural gas (lng) storage tank having slits in the upper and lower portions of a first insulating wall, and to an insulating wall for an lng storage tank. One embodiment of the present invention provides a storage tank for storing lng therein, comprising: a first sealing wall coming into contact with the lng ...
Method and system for separating nitrogen from liquefied natural gas using liquefied nitrogen
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
June 15, 2017 - N°20170167788

A method for separating nitrogen from an lng stream with a nitrogen concentration of greater than 1 mol %. A pressurized lng stream is produced at a liquefaction facility by liquefying natural gas, where the pressurized lng stream has a nitrogen concentration of greater than 1 mol %. At least one liquid nitrogen (lin) stream is received from storage tanks, the at least one ...
Method of natural gas liquefaction on lng carriers storing liquid nitrogen
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
June 15, 2017 - N°20170167787

A method for producing liquefied natural gas (lng). A natural gas stream is transported to a liquefaction vessel. The natural gas stream is liquefied on the liquefaction vessel using at least one heat exchanger that exchanges heat between the natural gas stream and a liquid nitrogen stream to at least partially vaporize the liquefied nitrogen stream, thereby forming a warmed ...
Pre-cooling of natural gas by high pressure compression and expansion
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
June 15, 2017 - N°20170167786

A method of producing liquefied natural gas (lng) is disclosed. A natural gas stream is provided from a supply of natural gas. The natural gas stream is compressed in at least two serially arranged compressors to a pressure of at least 2,000 psia to form a compressed natural gas stream. The compressed natural gas stream is cooled to form a cooled ...
Expander-based lng production processes enhanced with liquid nitrogen
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
June 15, 2017 - N°20170167785

A method for producing liquefied natural gas (lng). A natural gas stream is directed to a mechanical refrigeration unit to liquefy the natural gas stream and form a pressurized liquefied natural gas (lng) stream with a pressure greater than 50 psia (345 kpa) and less than 500 psia (3445 kpa). A liquid refrigerant subcooling unit is provided at a first location. Liquid refrigerant is ...
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Shut-off valve for liquefied natural gas
Kc Lng Tech Co., Ltd.
May 25, 2017 - N°20170146134

The invention is directed to a valve for gas under pressure, for example at temperatures below −100° c., comprising a body with a gas inlet, a gas outlet and a passage connecting the inlet with the outlet; a shut-off device for closing the gas passage; a spindle designed for operating the shut-off device; and at least one gasket between ...
Liquefied natural gas storage tank and insulating wall securing device for liquefied natural gas storage ...
Kc Lng Tech Co., Ltd.
May 25, 2017 - N°20170144733

The present invention relates to: a liquefied natural gas (lng) storage tank, which has insulating wall securing devices for the lng storage tank installed at the optimum position, thus is stable with respect to thermal contraction, and may require a minimum number of insulating wall securing devices; and an insulating wall securing device for an lng storage tank. One embodiment ...
Ground liquefied natural gas storage tank and method for manufacturing the same
Hyundai Heavy Industries Co., Ltd.
May 11, 2017 - N°20170130898

The present invention includes: an independent tank constituting an inner tank to store a storage material therein; at least one sandwich plate modularized and manufactured include a metal plate provided in a pair opposite to each other, the metal plates having a reinforcing material formed therebetween, and a filler filled between the metal plates, the at least one sandwich plate ...
Consolidated refrigeration and liquefaction module in a hydrocarbon processing plant
Hyundai Heavy Industries Co., Ltd.
April 06, 2017 - N°20170097188

A method of processing natural gas to produce liquefied natural gas using a consolidated refrigeration and liquefaction module. The natural gas is cooled in a first array of one or more heat exchangers using a first refrigerant from a first refrigerant circuit, wherein the first refrigerant is compressed in a first compressor. A second refrigerant from a second refrigerant circuit ...
Lng gasification systems and methods
Crowley Maritime Corporation
April 06, 2017 - N°20170097178

A skid for capturing refrigeration from liquefied natural gas vaporization is disclosed comprising a first heat exchanger mounted on the skid, the first heat exchanger having a natural gas inlet, a natural gas outlet, a process fluid inlet, and a process fluid outlet. The process fluid is configured to flow from the process fluid inlet through the first heat exchanger ...
Integrated lng gasification and power production cycle
8 Rivers Capital, Llc
March 09, 2017 - N°20170067373

The present disclosure provides an integrated power generating system and method and liquefied natural gas (lng) vaporization system and method. More particularly, heat from a co2 containing stream from the power generating system and method can be used to heat the lng for re-gasification as gaseous co2 from co2 containing stream is liquefied. The liquefied co2 can be captured and/...
Apparatus and system for combined temperature and pressure swing adsorption processes related thereto
8 Rivers Capital, Llc
March 02, 2017 - N°20170056814

Provided are apparatus and systems for performing a swing adsorption process. This swing adsorption process may involve passing streams through adsorbent bed units to treat the pipeline quality natural gas to form a stream that complies with liquefied natural gas (lng) specifications. The process may involve a combined tsa and psa process, which is utilized to remove contaminants from the ...
Apparatus and system for swing adsorption processes related thereto
8 Rivers Capital, Llc
March 02, 2017 - N°20170056810

Provided are apparatus and systems for performing a swing adsorption process. This swing adsorption process may involve passing streams through adsorbent bed units to remove contaminants, such as water, from the stream. As part of the process, the adsorbent bed unit is purged with a purge stream that is provided at a temperature less than 450° f. The de-contaminated stream ...
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