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Liquefaction

Subclass of:

062 - Refrigeration

062600000 - CRYOGENIC TREATMENT OF GAS OR GAS MIXTURE

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
062611000 Natural gas 163
062615000 Air 9
062510200 Utilizing Joule-Thomson effect 4
20110185766Refrigerator, and Method for Producing Very Low Temperature Cold - The invention relates to a method for producing very low temperature cold through a dilution cycle wherein a two-phase mixture of the two isotopes 08-04-2011
20090288427ISOTHERMAL GAS SUPPLY AND METHOD FOR MINIMIZING THE TEMPERATURE EXCURSION OF A GAS MIXTURE RELEASED THEREFROM - Embodiments of a pressurized gas supply are provided. In one embodiment, the pressurized gas supply includes a pressurized gas reservoir and a pressure reducer fluidly coupled to the pressurized gas reservoir. The pressure reducer is configured to reduce the pressure of gas received from the pressurized gas reservoir to a predetermined output pressure (P11-26-2009
20130019612METHOD AND APPARATUS FOR RECOVERING FROM A PRESSURIZED GAS A LIQUID FRACTION, IN PARTICULAR HYDROCARBONS HAVING TWO OR MORE CARBON ATOMS - An expansion device having a passageway formed orderly by a tubular inlet portion, a tubular throat portion and a tubular outlet portion, with a closing element arranged in the throat portion, the closing element adapted to cause a Joule-Thomson expansion and cooling of an at least partially gaseous fluid that is supplied at a predetermined pressure (P01-24-2013
20100293968PIEZO-HYDRAULIC COMPRESSOR/PRESSURE OSCILLATOR FOR CRYOGENIC COOLING AND OTHER APPLICATIONS - In recent years piezoelectric actuation has been identified as a promising means of driving miniature Stirling devices. It supports miniaturization, has a high power to volume ratio, can operate at almost any frequency, good electrical to mechanical efficiencies, and potentially has a very long operating life. This invention uses a valve-less hydraulic amplification, creating an oscillating pressure wave sufficiently large to drive a high frequency miniature pulse tube cryocooler. The actuator may be separated from the main body of the cryocooler. The system lack of rubbing parts in the power conversion processes.11-25-2010
062607000 Hydrogen 3
20090007594CONDUIT COMPONENT FOR A POWER SUPPLY NETWORK, USE THEREOF, METHOD FOR TRANSPORTING CRYOGENIC ENERGY CARRIERS IN CONDUITS AND DEVICES SUITABLE THEREFOR - What is described is a conduit component for a power supply network, comprising at least one first conduit for an at least partially liquid cryogenic energy carrier and at least one second conduit for a heat transfer medium liquid at the temperature of the liquid cryogenic energy carrier, said second conduit running parallel to the first conduit, and also heat exchangers, which are provided at the end of the second conduit and are in thermal contact with the first conduit, for evaporating or condensing the heat transfer medium during the extraction of the cryogenic medium from or during its introduction into the first conduit.01-08-2009
20100083695PROCESS FOR LIQUEFYING HYDROGEN - The invention relates to a process for liquefying hydrogen. To reduce the specific energy consumption, the following process steps are used: a) the precooling of the hydrogen stream by indirect heat exchange against a pressurized LNG stream to a temperature of between 140 and 130 K, b) the precooling of the hydrogen stream by indirect heat exchange against a coolant to a temperature of between 85 and 75 K, c) where the precooling of the coolant takes place against a pressurized LNG stream, and d) the cooling and at least partial liquefaction of the precooled hydrogen stream takes place by indirect heat exchange against another hydrogen stream channeled through a closed cooling circuit, e) where the precooling of the condensed hydrogen stream, which is channeled through a closed cooling circuit, takes place against a pressurized LNG stream.04-08-2010
20130205828INTEGRATION OF A LIQUEFIED NATURAL GAS LIQUEFIER WITH THE PRODUCTION OF LIQUEFIED NATURAL GAS - A method for integrating a liquefied natural gas liquefier system with production of liquefied natural gas from a methane-containing gas stream. The liquefied natural gas is produced by feeding a methane-containing gas stream through a heat exchanger to a distillation column and liquefying the natural gas while capturing the gaseous nitrogen. The liquefied natural gas is captured and the nitrogen gas is recovered, fed through the heat exchanger to recover cold and purified.08-15-2013
062608000 Helium 3
20100180632PILEUS-GILLS TYPE HELIUM CONDENSER AND APPARATUS INCLUDING THE SAME - Provided are a pileus-gills type helium condenser and an apparatus, including the same, for condensing helium. The pileus-gills type helium condenser includes: a body having a hemispheric shape and formed of a highly thermally conductive metal; a plurality of cooling fins collectively having a pileus gills-like shape and arranged along the circumference of the body to be spaced apart from one another; and a through-hole formed in the center of the body to be adjacent to the cooling fins.07-22-2010
20090049863RELIQUIFIER AND RECONDENSER - A reliquifier using a cryocooler in which an insulated sleeve surrounds a portion of the cold head, a first stage cooling station, and a second stage cooling station, including a condenser. Gas is conveyed from a cryostat to the insulated sleeve, where it is liquefied as it passes over the cold head. An end of the insulated sleeve is connected to a liquid transfer tube for conveying condensed fluid back to the cryostat.02-26-2009
20090301129HELIUM AND NITROGEN RELIQUEFYING APPARATUS - A cryogen boil-off gas re-liquefier adapted for retrofitting magnetic resonance instruments designed to exhaust vaporized helium. Means for recondensing helium and nitrogen boil off gasses to reduce operating cost of cryogenic systems.12-10-2009
Entries
DocumentTitleDate
20100147023Gas liquefaction and separation device - The invention relates to cryogenic engineering. The inventive device for liquefying and separating gas and for releasing one or more gases from a mixture thereof, comprises, in series axially positioned, a prechamber (06-17-2010
20120174621CARBON DIOXIDE LIQUEFACTION SYSTEM - Systems are disclosed herein for enhancing energy usage while pressurizing a carbonaceous gas. Such systems include a carbon dioxide (CO07-12-2012
20120180520SYTEM AND METHOD FOR LIQUEFYING AND STORING A FLUID - A fluid is liquefied from a gaseous state to a liquid state, and the liquefied fluid is stored. In one embodiment, the fluid is oxygen. Mechanisms are employed that enhance the durability, longevity, reliability, efficiency, of a system used to liquefy the fluid.07-19-2012
20130067953SYSTEM AND METHOD FOR FILLING A PORTABLE LIQUID GAS STIAGE/DELIVERY SYSTEM - 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.03-21-2013
20120118006METHOD AND APPARATUS FOR SEPARATING AIR BY CRYOGENIC DISTILLATION - The invention relates to equipment for separating air by cryogenic distillation, including: a double air separation column; an exchange line (05-17-2012
20100024473Configurations And Methods of RVP Control For C5+ Condensates - Controlled RVP C5+ products are produced from feed gas in configurations and methods in which a heavier portion of the feed gas is fractionated into several streams having distinct RVP and in which a C5+ stream is produced from the lighter portion of the feed gas. The so formed streams are then combined to produce C5+ products with controlled RVP. Thus, RVP control is achieved without the need for external products for blending process streams derived from the feed gas.02-04-2010
20110132031GAS PURIFICATION SYSTEM AND METHOD FOR LIQUEFACTION OF DILUTE GAS COMPONENTS - The invention provides gas purification methods and systems for the recovery and liquefaction of low boiling point organic and inorganic gases, such as methane, propane, CO06-09-2011
20090145167METHODS, APPARATUSES AND SYSTEMS FOR PROCESSING FLUID STREAMS HAVING MULTIPLE CONSTITUENTS - Methods, apparatuses and systems for processing fluid streams having multiple constituents are provided including embodiments utilizing ascending temperature separation processes as well as combined ascending and descending temperature separation processes. For example, in one embodiment, a mixed gas stream may be processed by flowing the stream through multiple heat exchangers, expanding the stream, and then separating the stream into a liquid portion and a vapor portion. The vapor portion, having an increased or decreased concentration of an identified constituent may then pass through the heat exchangers again in reverse order and collected. The liquid portion may then be subjected to further, sequential separation acts which each take place at increasing temperatures. In another embodiment, numerous, sequential separation acts take place in, for example, at decreasing temperatures and, subsequently, at increasing temperatures. Such a mixed fluid stream, for example, may include constituents such as hydrogen, carbon monoxide and methane.06-11-2009
20120192590SYSTEM AND METHOD FOR LIQUEFYING AND STORING A FLUID - A fluid is liquefied from a gaseous state to a liquid state, and the liquefied fluid is stored. In one embodiment, the fluid is oxygen. Mechanisms are employed that enhance the durability, longevity, reliability, efficiency, of a system used to liquefy the fluid.08-02-2012
20090019886Method and Apparatus for liquefaction of a Gas - A method and apparatus for making noncommercial amounts of a gas a liquid using a Joule-Thomson device. The device uses a precooler, a compressor, a Joule-Thomson valve and a thermally insulated housing.01-22-2009
20120067078CRYOGENIC COOLING SYSTEM - An apparatus according to various embodiments can be configured to use a cryogen for cooling articles, particularly having applications for chilling extrusions. The apparatus removes thermal energy from an article by conductive and convective heat transfer. The apparatus allows for heat transfer from an outer surface of an article, and from an inner surface of the article.03-22-2012
20090049862RELIQUIFIER - A reliquifier using a cryocooler in which an insulated sleeve surrounds a portion of the cold head, a first stage cooling station, and a second stage cooling station, including a condenser. Gas is conveyed from a cryostat to the insulated sleeve, where it is liquefied as it passes over the cold head. An end of the insulated sleeve is connected to a liquid transfer tube for conveying condensed fluid back to the cryostat.02-26-2009
20100162752APPARATUS FOR CONCENTRATING AND DILUTING SPECIFIC GAS AND METHOD FOR CONCENTRATING AND DILUTING SPECIFIC GAS - One ozone concentrating chamber is provided therein with a part of a cooling temperature range where ozone can be selectively condensed or an oxygen gas can be selectively removed by transmission from an ozonized oxygen gas, and a part of a temperature range where condensed ozone can be vaporized, and condensed ozone is vaporized by moving condensed ozone with flow of a fluid or by gravitation to the part where condensed ozone can be vaporized, whereby the ozonized oxygen gas can be increased in concentration. Such a constitution is provided that a particle material 07-01-2010
20100186445Natural Gas Liquefaction Process - The described invention relates to processes and systems for treating a gas stream, particularly one rich in methane for forming liquefied natural gas (LNG), said process including: (a) providing a gas stream; (b) providing a refrigerant; (c) compressing said refrigerant to provide a compressed refrigerant; (d) cooling said compressed refrigerant by indirect heat exchange with a cooling fluid; (e) expanding the refrigerant of (d) to cool said refrigerant, thereby producing an expanded, cooled refrigerant; (f) passing said expanded, cooled refrigerant to a first heat exchange area; (g) compressing the gas stream of (a) to a pressure of from greater than or equal to 1,000 psia to less than or equal to 4,500 psia; (h) cooling said compressed gas stream by indirect heat exchange with an external cooling fluid; and heat exchanging the compressed gas stream with the expanded, cooled refrigerant stream.07-29-2010
20100192626METHOD AND APPARATUS FOR LIQUEFYING A GASEOUS HYDROCARBON STREAM - A method and apparatus for liquefying a gaseous hydrocarbon stream such as natural gas. The method comprises at least the steps of providing a feed stream (08-05-2010
20100293995Cooling System of a Psychrometric Mixture by Coupling a Condensation Unit and an Evaporation Unit - A cooling system of a first psychrometric mixture having a condensation unit capable of condensing fluid contained in this mixture by direct contact with liquid comprising this fluid, the liquid being in the condensation unit at a temperature below that of the first mixture, and an evaporation unit capable of evaporating liquid in a second psychrometric mixture having fluid, the liquid being in the evaporation unit at a temperature greater than that of the second mixture, the condensation and evaporation units being coupled by a circulation circuit of the liquid, and a regulator for regulating the liquid flow.11-25-2010
20110239698LIQUID OXYGEN PRODUCTION DEVICE AND METHOD - A method for controlling an oxygen liquefaction device includes measuring a flow rate from an oxygen concentration subsystem to a liquefaction subsystem, comparing the flow rate to a flow rate setpoint, and adjusting a cycle timing of the oxygen concentration subsystem in accordance with the comparing. A device for producing liquid oxygen, includes an oxygen concentrator, a liquefaction system, that receives oxygen enriched gas from the concentrator, and condenses it to produce a liquid product. The device further includes a liquid product storage tank, a sensor, that measures a flow rate from the oxygen concentrator to the liquefaction system and a controller that adjusts an oxygen concentrating cycle time in response to the measured flow rate.10-06-2011
20110067439METHOD AND SYSTEM FOR PRODUCTION OF LIQUID NATURAL GAS - A process and system for liquefying a hydrocarbon gas is provided. The hydrocarbon feed gas is pre-treated to remove sour species and water therefrom. The pre-treated feed gas is then passed to a refrigeration zone where it is cooled and expanded to produce a hydrocarbon liquid. A closed loop single mixed refrigerant provides most of the refrigeration to the refrigeration zone together with an auxiliary refrigeration system. The auxiliary refrigeration system and closed loop single mixed refrigerant are coupled in such a manner that waste heat generated by a gas turbine drive of the compressor in the closed loop single mixed refrigerant drives the auxiliary refrigeration system and the auxiliary refrigeration system cools the inlet air of the gas turbine. In this way, substantial improvements are made in the production capacity of the system.03-24-2011
20110247360Method of Obtaining Carbon Dioxide From Carbon Dioxide-Containing Gas Mixture - Disclosed are methods of obtaining carbon dioxide from a CO10-13-2011
20090320519Recovery of Hydrofluoroalkanes - A mixture of air and one or more halogenated alkanes is directed to a gas separation membrane where it is separated into an oxygen, nitrogen, and moisture-enriched and halogenated alkane-depleted permeate and a halogenated alkane-enriched and oxygen, nitrogen, and moisture-depleted retentate. The retentate is directed to a cryogenic condenser where an amount of halogenated alkane is condensed therein.12-31-2009
20110314864REFRIGERATOR - An effective component generator (12-29-2011
20100269540Method to Liquefy Ammonia Gas - An ammonia expander in a liquefaction process, the ammonia expander reducing the resulting vapor from the liquid ammonia expansion and increasing the percentage of both the feed gas input and the process output. Embodiments of the ammonia expander comprise a radial inflow reaction turbine with an induction generator mounted on a generator shaft and a turbine mounted on a turbine shaft, the turbine submerged in the liquid ammonia. The turbine extracts torque from the liquid ammonia as it flows through the turbine. The torque from the turbine is transferred from the turbine shaft to the generator shaft, allowing for energy to be extracted from the liquid ammonia stream.10-28-2010
20120167616PRESSURE CONTROL OF GAS LIQUEFACTION SYSTEM AFTER SHUTDOWN - A method is provided for operating a system for the liquefaction of gas of the type comprising a main heat exchange vessel, a bundle for the gas to be liquefied extending through said MCHE and a refrigerant compression circuit of which a first end leads evaporated refrigerant from the vessel towards a compressor and a second end supplies the compressed and cooled refrigerant from the compressor towards the MCHE. For avoiding problems during heat up or during start up of the heat exchanger the pressure within the liquefaction system is controlled by regulating the amount of evaporated refrigerant in the liquefaction circuit.07-05-2012
20080302132Method and apparatus for separating aromatic dialdehyde - The present invention relates to a method and an apparatus for continuously separating aromatic dialdehyde from a reaction mixture obtained by gas-phase oxidation of dimethylbenzene. The method for continuously separating aromatic dialdehyde includes the steps of congealing aromatic dialdehyde by cooling the gas-phase reaction mixture including the aromatic dialdehyde, which is obtained by gas-phase oxidation of dimethylbenzene, to 5-70° C. and separating the congealed aromatic dialdehyde from the remaining reaction mixture. Using the method and apparatus in accordance with the present invention, aromatic dialdehyde can be effectively and selectively separated from a reaction mixture obtained by gas-phase oxidation of dimethylbenzene in high yield.12-11-2008
20120079848SYSTEMS FOR PURIFYING SILANE - Processes and systems for purifying silane-containing streams are disclosed with relatively less silane being lost in impurity streams by use of distillation and/or condensation operations.04-05-2012
20120079847PROCESSES FOR PURIFYING SILANE - Processes and systems for purifying silane-containing streams are disclosed with relatively less silane being lost in impurity streams by use of distillation and/or condensation operations.04-05-2012
20130014541DEVICE FOR CONTINUOUS PYROLYSISAANM Shvabsky; OlegAACI Hallandale BeachAAST FLAACO USAAGP Shvabsky; Oleg Hallandale Beach FL USAANM Gitman; JacobAACI Bay Harbor IslandAAST FLAACO USAAGP Gitman; Jacob Bay Harbor Island FL US - A device for pyrolysis of a material has a horizontal receiving chamber, a horizontally moving compressing element compressing the material in the receiving chamber to form a compact body, a horizontal pyrolysis chamber communicating with the receiving chamber and subjecting the compact body to a heat treatment, a separating partition separating the chambers, and a cylinder-piston unit with a compressing plate which, with the closed partition, first compresses the material in the receiving chamber, then after vertically withdrawing the partition, moves the compressed material from the receiving chamber into pyrolysis chamber and is heated there to produce pyrolysis gas.01-17-2013
20130019632CONTROLLING A OXYGEN LIQUEFACTION SYSTEM RESPONSIVE TO A DISTURBANCE IN SUPPLIED POWER - Normal operation of an oxygen liquefaction system (01-24-2013
20120240616METHOD AND DEVICE FOR TREATING A CARBON DIOXIDE-CONTAINING GAS STREAM - The invention relates to a method and an apparatus for treating a carbon dioxide-containing gas stream. Precompressed raw gas stream (09-27-2012
20130139542METHOD AND APPARATUS FOR PRODUCING LIQUID CARBON DIOXIDE - The invention relates to an apparatus for producing carbon dioxide-rich liquid, which includes a separation unit including a column for physically washing with a solvent and means for cooling a fluid of the separation unit, and a unit for compressing and liquefying a carbon dioxide-rich gas derived from the separation unit, including means for cooling the gas upstream and/or downstream from the compression operation, a single refrigerating cycle using carbon dioxide as the refrigerant, which is suitable for providing frigories to the means for cooling the fluid of the separation unit and to the means for cooling the gas upstream and/or downstream from the compression operation, and means for sending a portion of the liquid from the liquefaction unit to the refrigerating cycle.06-06-2013
20130091893GAS LIQUEFACTION APPARATUS - A gas liquefaction apparatus includes a spraying tank, a pump, a heater, a separating member, a heat-releasing member, a flow control assembly and a liquid tank. The spraying tank includes a chamber, a gas inlet and a mixture outlet. The gas inlet and the mixture outlet are in communication with the chamber. A plurality of nozzles is installed in the chamber. The pump is connected to the mixture outlet. The heater is connected to the pump. The separating member includes a container and a heating device. The container comprises a mixture inlet and a gas outlet. The mixture inlet is connected to the heater. The container is equipped with the heating device. The heat-releasing member is connected to the gas outlet of the container. The flow control assembly is connected to the heat-releasing member. The liquid tank is connected to the flow control assembly.04-18-2013
20130205827METHOD AND INSTALLATION FOR LIQUEFYING FLUE GAS FROM COMBUSTION INSTALLATIONS - A plant for CO08-15-2013

Patent applications in class Liquefaction

Patent applications in all subclasses Liquefaction