| Entries |
| Document | Title | Date |
|---|
| 20080202126 | FISH FRIENDLY LNG VAPORIZER - The new liquefied natural gas (LNG) vaporizer uses seawater as a heat source for vaporizing in a fish friendly manner. The vaporizer provides environmental benefits. | 08-28-2008 |
| 20080250795 | Air Vaporizer and Its Use in Base-Load LNG Regasification Plant - A system and method for production of gas from a cryogenic fluid using an improved air vaporizer in cyclic production/regeneration modes with a forced air draft and an intermittent heating of ambient air entering the air vaporizer during regeneration mode and/or optionally during the production mode. The system and method may be used in geographical areas where the ambient air temperature can be below freezing. Particularly, the system and method may employ a plurality of these improved air vaporizers for regasification of liquefied natural gas (LNG), particularly for continuous production of natural gas in a base-load LNG regasification plant. | 10-16-2008 |
| 20080276628 | FUEL GAS SUPPLY SYSTEM AND METHOD OF AN LNG CARRIER - A fuel gas supply system of an LNG carrier is provided for supplying fuel gas to a high-pressure gas injection engine of an LNG carrier, wherein LNG is extracted from an LNG storage tank of the LNG carrier, compressed at a high pressure, gasified, and then supplied to the high-pressure gas injection engine. | 11-13-2008 |
| 20080295527 | LNG TANK SHIP WITH NITROGEN GENERATOR AND METHOD OF OPERATING THE SAME - Disclosed is an apparatus for producing nitrogen equipped in a marine structure such as a liquefied natural gas regasification vessel (LNG RV) and a floating storage and regasification unit (FSRU), and a method for producing nitrogen in a marine structure using the apparatus. The apparatus for producing nitrogen equipped in a flowing marine structure produces nitrogen to be mixed with natural gas to be supplied to consumers after regasification. The floating marine structure in which the apparatus is equipped has an LNG regasification facility for compressing the LNG stored in a storage tank using a high-pressure pump and then vaporizing the LNG into natural gas in a vaporizer to supply natural gas to consumers. The apparatus for producing nitrogen secures cold heat necessary to produce nitrogen using the LNG supplied from the storage tank. | 12-04-2008 |
| 20080307799 | Air vaporizor - A process for the use of ambient air as a heat exchange medium for vaporizing cryogenic fluids wherein the vaporized cryogenic gases are heated to a selected temperature for use or delivery to a pipeline. | 12-18-2008 |
| 20090064688 | CONTROL SYSTEM AND METHOD FOR VAPORIZER WITH HEATING TOWER - A method of vaporizing liquefied natural gas includes passing liquefied natural gas through a submerged combustion vaporizer having a water bath at a bath temperature and a burner to provide a vaporized gas output at a send-out temperature, drawing water from the bath of the submerged combustion vaporizer and supplying it to an atmospheric heating tower having an ambient air temperature, returning water from the atmospheric heating tower to the bath of the submerged combustion vaporizer, modulating the operating rate of the burner of the submerged combustion vaporizer, and modulating the operating rate of the atmospheric heating tower. | 03-12-2009 |
| 20090071172 | Simultaneous Regasification of Liquefied Natural Gas and Desalination - A process and apparatus is presented for the desalination of water by freezing seawater. The process is integrated into a liquefied natural gas regasification system. The process comprises alternating the flow of liquefied natural gas to freeze seawater in a heat exchanger and then flowing a hot flue gas through the heat exchanger to melt the frozen seawater, and then repeating the process. | 03-19-2009 |
| 20090094993 | LNG By-Pass for Open Rack Vaporizer During LNG Regasification - A process for vaporizing liquefied natural gas that is at a temperature of −220° F. or below which comprises (a) passing a first liquefied natural gas stream through an open rack vaporizer which uses a heat transfer agent which comprises water under conditions which will raise the liquefied natural gas to a temperature sufficient to vaporize the liquefied natural gas while lowering the temperature of the heat transfer medium by no more than 30° F.; (b) recovering a vaporized natural gas stream at a temperature T | 04-16-2009 |
| 20090100845 | POWER AND REGASIFICATION SYSTEM FOR LNG - The present invention provides a power and regasification system based on liquefied natural gas (LNG), comprising a vaporizer by which liquid motive fluid is vaporized, said liquid motive fluid being LNG or a motive fluid liquefied by means of LNG; a turbine for expanding the vaporized motive fluid and producing power; heat exchanger means to which expanded motive fluid vapor is supplied, said heat exchanger means also being supplied with LNG for receiving heat from said expanded fluid vapor, whereby the temperature of the LNG increases as it flows through the heat exchanger means; a conduit through which said motive fluid is circulated from at least the inlet of said vaporizer to the outlet of said heat exchanger means; and a line for transmitting regasified LNG. | 04-23-2009 |
| 20090126372 | Intermittent De-Icing During Continuous Regasification of a Cryogenic Fluid Using Ambient Air - The present invention relates to a process and apparatus for regasifying a cryogenic liquid to gaseous form. Heat is transferred from ambient air to the cryogenic liquid across a heat transfer surface by circulating the cryogenic liquid or an intermediate fluid through an atmospheric vaporizer, wherein he ambient air and the cryogenic fluid or intermediate fluid are not in direct contact. A layer of ice forms on an external portion of the heat transfer surface exposed to the atmosphere where the temperature at the heat transfer surface is below the freezing temperature of water. The layer of ice is dislodged intermittently from the vaporizer using a source of heat operatively associated with a control device, the control device arranged to generate a signal when de-icing is required. De-icing is achieved without the need to discontinue circulating the cryogenic fluid or the intermediate fluid through the vaporizer. | 05-21-2009 |
| 20090165468 | Enhanced regas system - Liquefied hydrocarbon gas carried by a tanker ( | 07-02-2009 |
| 20090211263 | APPARATUS AND METHOD FOR REGASIFICATION OF LIQUEFIED NATURAL GAS - A method for vaporizing a liquefied natural gas (LNG) stream and recovering heavier hydrocarbons from the LNG utilizing a heat transfer fluid is disclosed. | 08-27-2009 |
| 20090241557 | Hydrogen storage installation for feeding fuel cell and motor vehicle comprising same - The invention concerns a hydrogen storage installation for feeding fuel cell ( | 10-01-2009 |
| 20090249798 | APPARATUS AND METHOD FOR INCREASING EFFICIENCY OF A GAS TURBINE AND A MARINE STRUCTURE HAVING THE SAME - An apparatus and method for increasing efficiency of a gas turbine and a marine structure having the gas turbine are disclosed. The marine structure includes an ambient LNG vaporizer for regasifying cryogenic LNG via heat exchange with air and the gas turbine for generating electric power. The marine structure includes a moist-air mixing chamber disposed at an upstream side of the gas turbine, a condensed-water nozzle to spray condensed water, generated from air during the heat exchange in the LNG vaporizer, into the moist-air mixing chamber; and a cold air supply pipe to supply air, cooled by the heat exchange in the LNG vaporizer, to the gas turbine via the moist-air mixing chamber. The method reduces the temperature of air supplied to the gas turbine by condensed water or cold air generated during regasification of LNG through the ambient vaporizer in the marine structure, thereby increasing the efficiency of the gas turbine. | 10-08-2009 |
| 20090272126 | Transporting and Managing Liquefield Natural Gas - The present application is directed to methods and systems for transporting or importing LNG via vessels. Under the present techniques, SRTs, which are equipped with regasification equipment, LNG offloading equipment (e.g. marinized mechanical loading arms), LNG storage tanks, and equipment to transfer natural gas to an import terminal are utilized as temporary interchangeable FSRUs (TIFs). Two or more TIFs in conjunction with transport vessels (e.g. LNGCs) are utilized to transfer LNG between an export terminal and an import terminal. A first of the TIFs is utilized at an import terminal to offload LNG from LNGCs, while the second of the TIFs is utilized as a LNGC, carrying LNG between the export terminal and import terminal. The first of the TIFs may be replaced by the second of the TIFs to maintain operations for the import terminal. The use of multiple TIFs in combination with LNGCs provides an alterative LNG delivery approach in comparison to having a permanently moored FSRU located at the import terminal or using a fleet of SRT vessels to transport LNG between an export terminal and an import terminal. | 11-05-2009 |
| 20090277188 | Heat Exchanger for a Mobile Refrigerated Vehicle - The invention relates to a heat exchanger for a mobile refrigerated vehicle having a tank for liquefied gas comprising a pipe for accepting a flow of a liquefied gas and for the evaporation of at least one part of the liquefied gas, in conjunction with which the pipe, at least in sections, exhibits a longitudinal axis, and the heat exchanger comprises an inlet side for liquefied gas and an outlet side for at least partially evaporated gas, and in conjunction with which the outlet side is connected to an exhaust pipe in such a way as to permit a flow, in conjunction with which the pipe exhibits elements in its interior for the purpose of generating turbulences in the flow or a radial phase separation. The invention is characterized in that, with the help of the elements, the thickness of a gas interface layer on a wall of the pipe, which occurs as a result of vaporization of the gas, is reduced considerably, whereby the efficiency of the heat exchanger is increased considerably. | 11-12-2009 |
| 20090277189 | METHOD AND PLANT FOR RE-GASIFICATION OF LNG - A method for re-gasification of LNG in which method natural gas is combusted in a burner to provide heat for evaporation of the LNG and where the heat is transferred from the burner to the LNG in a closed heat exchange system, wherein substantially pure oxygen is used in the combustion of natural gas, and that C02 is separated from the exhaust gas for export or deposition, is described. A plant for re-gasification of LNG, the plant comprising a gas fired burner ( | 11-12-2009 |
| 20090288426 | Method and System for Delivering Gas to Consumers, and Use Thereof - A method for delivery of cryogenic combustible gases to users is described, where the combustible gas is kept in one or more storage tanks ( | 11-26-2009 |
| 20090308083 | Method for Filling a Pressure Vessel, Provided for a Cryogenic Storage Medium, in particular Hydrogen - In a method for filling a cryo-compressed tank of a motor vehicle with a cryogenic storage medium, such as hydrogen, which can be stored in the tank under absolute pressure values in an order of magnitude of 150 bar or more, the hydrogen is taken in the liquid state at a suitable saturation temperature under essentially ambient pressure from a large supply vessel. Following removal from the large supply vessel, the hydrogen is compressed essentially adiabatically with a cryo pump and then is introduced at super critical pressure (13 bar or more) into the cryo-compressed tank. Preferably beforehand it is also re-cooled to approximately 20 K passing it through a heat exchanger, disposed in the hydrogen, stored in the large supply vessel. Before filling with new storage medium, the residual storage medium, contained in the cryo-compressed tank, can be removed from the cryo-compressed tank and introduced into the large supply vessel. | 12-17-2009 |
| 20100000233 | METHOD AND APPARATUS FOR VAPORIZING A LIQUID STREAM - The present invention relates to a method for vaporizing a liquid stream, the method at least comprising the steps of: a) feeding a heat transfer fluid to a first heat transfer zone ( | 01-07-2010 |
| 20100005812 | THERMODYNAMIC PUMP FOR CRYOGENIC FUELED DEVICES - In one embodiment of the disclosure, an apparatus is provided for fueling a device using a cryogenic fluid. The apparatus may comprise: a cryogenic fluid supply container; a vessel connected to the supply container with an entrance valve to regulate flow of cryogenic fluid from the supply container; a heat transfer system capable of transferring heat from a device to the vessel to heat gas in the vessel; and an accumulator connected to the vessel with an exit valve to regulate flow of gas from the vessel to the accumulator. The accumulator may be capable of being connected to a device. In other embodiments, methods are provided of controllably mixing at least one fluid within a fluid mixing device. | 01-14-2010 |
| 20100043452 | APPARATUS AND METHODS FOR CONVERTING A CRYOGENIC FLUID INTO GAS - An apparatus for vaporizing a cryogenic fluid comprises a heat transfer fluid closed circulation loop at least partially defined by an ambient air heat exchanger, a heater, and a vaporizer. The heat exchanger is configured to direct air downward across a plurality of heat exchanger tubes. A cryogenic fluid flows through the vaporizer. The plurality of tubes comprise a first tube having a first fin of a height, h | 02-25-2010 |
| 20100043453 | Ambient Air Vaporizer - Contemplated systems and methods employ a portion of vaporized and heated LNG as a defrosting medium in an LNG ambient air vaporizer. Most preferably, the LNG is heated to a temperature of about 100° F. to 400° F., and is after defrosting fed back to the LNG stream at a position that is upstream and/or downstream of the vaporizer or to the natural gas delivery pipeline. | 02-25-2010 |
| 20100083670 | METHOD FOR VAPORIZING AND HEATING CRYCOGENIC FLUID - A method for vaporizing and heating a cryogenic fluid such as a liquefied natural gas, to a desired temperature in the ambient temperature range. The method comprises using an intermediate heat exchange fluid such as propane to heat the liquefied natural gas and to utilize the cold potential of the liquefied natural gas to produce power. The heat exchange fluid is heated by a heat source, such as warm or hot water available from an industrial process. The heat exchange fluid is pressurized and heated to form a heat exchange vapor. The heat exchange vapor is split into multiple streams that exchange heat with the cryogenic fluid in series fashion so that the cryogenic fluid is vaporized and heated to the desired temperature in stages using a common heat exchange fluid and heat source. | 04-08-2010 |
| 20100101240 | Configurations and Methods for Ambient Air Vaporizers - Cryogenic fluid is vaporized using two sections of an ambient air vaporizer where in the first section ambient air is dehydrated at a temperature at or above freezing point of water using refrigeration content of partially heated cryogenic fluid, wherein the dehydrated air is used in the second section to form the partially heated cryogenic fluid from a cryogenic fluid. | 04-29-2010 |
| 20100126186 | METHOD AND APPARATUS FOR GENERATING A GASEOUS HYDROCARBON STREAM FROM A LIQUEFIED HYDROCARBON STREAM - The present invention relates to a method for generating gaseous hydrocarbon stream from a liquefied hydrocarbon stream ( | 05-27-2010 |
| 20100126187 | Configurations And Methods For Offshore LNG Regasification And Heating Value Conditioning - Contemplated plant configurations and methods employ a vaporized and supercritical LNG stream at an intermediate temperature that is expanded, wherein refrigeration content of the expanded LNG is used to chill one or more recompressor feed streams and to condense a demethanizer reflux. One portion of the so warmed and expanded LNG is condensed and fed to the demethanizer as reflux, while the other portion is expanded and fed to the demethanizer as feed stream. Most preferably, the demethanizer overhead is combined with a portion of the vaporized and supercritical LNG stream to form a pipeline product. | 05-27-2010 |
| 20100154439 | COOLING SYSTEM USING POSITIVE DISPLACEMENT CRYOGENIC LIQUID PUMP - A cooling system employs a single-acting positive displacement bellows pump to transfer a cryogenic liquid such as liquid nitrogen from a storage dewar to a heat exchanger coupled to a measurement chamber of an instrument, wherein cooling takes place by vaporizing the liquid. Preferably, the capacity of the pump is greater than the maximum cooling requirement of the instrument, wherein both vapor resulting from vaporizing of the cryogenic liquid circulated through the heat exchanger and liquid that does not vaporize when circulated through the heat exchanger are returned to the storage dewar, wherein the vapor is subsequently vented from the dewar. Preferably, with the aid of a weir in a return line, the level of liquid in the heat exchanger is maintained full and constant, and the cooling demands are automatically met without the need for other control of the flow rate or level of the liquid. Also, unlike conventional systems, liquid transfer from the dewar does not require dewar pressurization, so that the dewar may be refilled whenever necessary without interrupting the experiment in progress. | 06-24-2010 |
| 20100154440 | RE-GASIFICATION OF LNG - The invention relates to a device for use in an LNG re-gasification system comprising a suction drum wherein said suction drum is sectionised by one or more baffles wherein said baffles are perforated. The invention further relates to a system and a process for use in re-gasification of LNG. | 06-24-2010 |
| 20100162729 | Liquid CO2 Passive Subcooler - A refrigeration process including supplying chilled CO | 07-01-2010 |
| 20100170268 | ENERGY DELIVERY SYSTEM FOR A GAS TRANSPORT VESSEL CONTAINING LOW VAPOR PRESSURE GAS - A system for delivering vapor phase fluid at an elevated pressure from a transport vessel containing liquefied or two-phase fluid is provided. The system includes: (a) a transport vessel positioned in a substantially horizontal position; (b) one or more energy delivery elements disposed on the lower portion of the transport vessel wherein the energy delivery devices include a heating means and a first insulation means, wherein the energy delivery devices are configured to the contour of the transport vessel; (c) one or more substantially rigid support devices disposed on the outer periphery of the energy delivery devices, wherein the support devices hold the energy delivery devices in thermal contact with a lower portion of the transport vessel; and (d) one or more attaching devices secure the rigid support devices onto the transport vessel and hold the energy delivery devices between the substantially rigid support device and a wall of the transport vessel. | 07-08-2010 |
| 20100186426 | METHOD FOR TRANSPORTING LIQUIFIED NATURAL GAS - A method of transporting natural gas by cooling and pressurizing retained natural gas to liquefy the retained natural gas within a fiber reinforced plastic pressure vessel. | 07-29-2010 |
| 20100192597 | Method and Apparatus for the Regasification of LNG Onboard a Carrier - An LNG carrier for transporting LNG from one location to another that includes a vaporizer on board said LNG carrier for vaporizing the LNG to a gaseous state, one or more heat exchangers at least partially submerged in seawater, an intermediate fluid circulating between said vaporizer and said heat exchanger, and one or more pumps for circulation said intermediate fluid is disclosed. A method of regasifying LNG while on board an LNG carrier is provided that includes circulating an intermediate fluid between a vaporizer on board the LNG carrier and a submerged or partially submerged heat exchanger, heating the LNG to a temperature above its vaporization temperature using heat energy carried by said intermediate fluid and heating the intermediate fluid, using heat energy supplied by the submerged or partially submerged heat exchanger. | 08-05-2010 |
| 20100212330 | PORTABLE LIQUID OXYGEN DELIVERY SYSTEM - A portable liquid oxygen medical delivery system including a portable liquid oxygen delivery apparatus and a portable liquid oxygen recharger. The portable liquid oxygen delivery apparatus contains an initial quantity of liquid oxygen. The liquid oxygen delivery apparatus is sufficiently lightweight for portability by an ambulatory patient and has a fill port for receiving liquid oxygen. The liquid oxygen recharger stores a supplemental quantity of liquid oxygen and is also sufficiently lightweight for portability by an ambulatory individual. The liquid oxygen recharger has an interface for interfacing the liquid oxygen recharger with the portable liquid oxygen delivery apparatus for delivering the supplemental quantity of liquid oxygen to the portable liquid oxygen delivery apparatus. | 08-26-2010 |
| 20100229573 | FLOATING LNG STORAGE AND RE-GASIFICATION UNIT AND METHOD FOR RE-GASIFICATION OF LNG ON SAID UNIT - A floating LNG storage and re-gasification unit, which comprises a LNG storage tank ( | 09-16-2010 |
| 20100242499 | METHOD FOR RE-GASIFICATION OF LIQUID NATURAL GAS - A method for re-gasification of liquid natural gas involves positioning a storage vessel ( | 09-30-2010 |
| 20100263389 | Dockside Ship-To-Ship Transfer of LNG - Systems and methods for dockside regasification of liquefied natural gas (LNG) are described herein. The methods include providing LNG from a LNG carrier to a regasification vessel. The LNG may be regasified on the regasification vessel. The regasified natural gas may be discharged with a high pressure arm to a dock and delivered onshore. The regasification vessel may be moored to the dock. The LNG carrier may be moored to the regasification vessel or the dock. | 10-21-2010 |
| 20100313578 | CO2-BASED METHOD AND SYSTEM FOR VAPORIZING A CRYOGENIC FLUID, IN PARTICULAR LIQUEFIED NATURAL GAS - The invention relates to a method for vaporising a cryogenic fluid, in particular liquefied natural gas that comprises the following steps: supplying heat from ambient air to a heat-transfer intermediate fluid in a first heat exchanger ( | 12-16-2010 |
| 20100319361 | METHOD OF PRODUCING A GASIFIED HYDROCARBON STREAM; METHOD OF LIQUEFYING A GASEOUS HYDROCARBON STREAM; AND A CYCLIC PROCESS WHEREIN COOLING AND RE-WARMING A NITROGEN-BASED STREAM, AND WHEREIN LIQUEFYING AND REGASIFYING A HYDROCARVON STREAM - A first liquefied hydrocarbon stream is provided from a first source and a second liquefied hydrocarbon stream is provided from a second source. The second liquefied hydrocarbon stream has been liquefied by cooling solely against a first cooled nitrogen-based stream. The first and second liquefied hydrocarbon streams are gasified to produce a gasified hydrocarbon stream, thereby cooling a gaseous nitrogen-based stream against the gasifying first and second liquefied hydrocarbon streams to provide a second cooled nitrogen-based stream. | 12-23-2010 |
| 20110030391 | Mechanical Defrosting During Continuous Regasification of a Cryogenic Fluid Using Ambient Air - A process and corresponding apparatus for regasifying a cryogenic liquid to gaseous form includes a process step and suitable structure to transfer heat from ambient air to the cryogenic liquid across a heat transfer surface by circulating the cryogenic liquid or an intermediate fluid through an atmospheric vaporizer, where the ambient air and the cryogenic fluid or intermediate fluid are not in direct contact; and a process step and suitable structure to mechanically scrape an external portion of the heat transfer surface exposed to the atmosphere to remove frost from the external portion of the heat transfer surface, where defrosting is achieved without the need to discontinue circulating the cryogenic fluid or the intermediate fluid through the atmospheric vaporizer. | 02-10-2011 |
| 20110056217 | PORTABLE GAS FILLING SYSTEM - A portable gas filling system for transfer of cryogenic fluids to high pressure gas cylinders includes a moveable platform, a cryogenic fluid pump for connection to an off platform cryogenic fluid Dewar, and a vaporizer for connection between the fluid pump and gas cylinders. A vacuum pump is provided for purging of interconnecting system lines and a gas accumulator interconnected to the system lines enables storage of gas to pressurize the Dewar. | 03-10-2011 |
| 20110185748 | NATURAL GAS SUPPLY METHOD AND APPARATUS - Liquefied natural gas is stored, for example, on board ship, in a battery | 08-04-2011 |
| 20110225986 | SYSTEMS AND METHODS FOR GAS SUPPLY AND USAGE - This invention relates to gas vaporization and supply system that includes (a) a vessel suitable for holding a bulk quantity of a liquefied gas; (b) at least one heating source positioned on or near the vessel to supply energy to, or remove energy from, the liquefied gas; and (c) a heating source controller adapted to use process variables feedback for dynamically regulating the heating source and maintaining and regulating gas output. The process variables feedback results from cascading sequence control of at least two process variables. The process variables include pressure, temperature, and/or gas output flow rate. This invention also relates to a method for delivery of a gas, e.g., ultra high purity gases, from a liquefied state in a controlled manner to a usage site, e.g., a semiconductor manufacturing facility. This invention provides faster heating system response to fluctuations in customer demand, a longer heater life, and improved reliability. | 09-22-2011 |
| 20110289940 | LIQUID NATURAL GAS VAPORIZATION - A process for the vaporization of a cryogenic liquid is disclosed. The process may include: combusting a fuel in a burner to produce an exhaust gas; admixing ambient air and the exhaust gas to produce a mixed gas; contacting the mixed gas via indirect heat exchange with a cryogenic liquid to vaporize the cryogenic liquid. Also disclosed is a system for vaporization of a cryogenic liquid. The system may include: one or more burners for combusting a fuel to produce an exhaust gas; one or more inlets for admixing ambient air with the exhaust gas to produce a mixed gas; and one or more heat transfer conduits for indirectly heating a fluid with the mixed gas. | 12-01-2011 |
| 20110289941 | BRAYTON CYCLE REGASIFICATION OF LIQUIEFIED NATURAL GAS - A power plant including an apparatus for regasification of liquefied natural gas (LNG) is provided. The apparatus includes a compressor configured to pressurize a working fluid and a heat recovery system configured to provide heat to a working fluid. A turbine is configured to generate work utilizing the heated working fluid. One or more heat exchangers are configured to transfer heat from the working fluid to a first stage liquefied natural gas at a first pressure and at least one of a second stage liquefied natural gas at a second pressure, and a compressed working fluid. | 12-01-2011 |
| 20120102979 | NITROGEN FOG GENERATOR - A cryogenic fog generator is provided which includes a container having an interior in which liquid cryogen is disposed; an opening in the container from which the liquid cryogen can flow from the interior out of the container; a surface area upon which the flow of liquid cryogen is received; an ultrasonic transducer disposed proximate the opening for coacting with the surface area to transmit ultrasonic energy to the surface area and the liquid cryogen for providing a cryogenic fog. A method of producing a cryogenic fog is also provided. | 05-03-2012 |
| 20120317997 | CONVERSION OF LIQUEFIED NATURAL GAS - Liquefied Natural Gas (LNG) is converted to a superheated fluid at a temperature greater than 5° C. by being passed under pressure through a train of first, second and third main heat exchange stages in series, in which the natural gas is heated by a circulating heat exchange fluid flowing in heat exchange circuits. The heat exchange fluid condenses in the first and second heat exchange stages and is partially vaporised in subsidiary heat exchangers which may be heated by sea water flowing in open cycle. | 12-20-2012 |
| 20120317998 | METHOD AND DEVICE FOR EVAPORATION OF CRYOGENIC MEDIA - The invention relates to a method and a device for increasing the enthalpy of a medium, in which energy is withdrawn from a first heat carrier (W) consisting of a first flue gas ( | 12-20-2012 |
| 20130111928 | Gas bubble agitated liquid bath heat exchange process and apparatus - The present invention relates to an improved heat transfer device and process, such as the heat exchanger included in a process for vaporizing cryogenic fluids industrial gas supply systems. The system having a water bath and heat exchange tube bundle disposed therein operating to vaporize and superheat industrial liquefied gases including fuel gases. Water contained in a tank transfers heat to the bundle by natural convection without benefit of forced water circulation. The water is heated by means such as steam, combustion processes or electric heat and a heat exchange tube bundle submerged within the water tank is used to vaporize and superheat liquefied gas, which passes within the tubular elements of the heat exchange bundle. Gas bubble agitation is provided by discharging nitrogen, air or other non-condensing gas into the water via a gas-sparging manifold located below the tube bundle for the purpose of increasing the rate of heat exchange from the heated water to the cooler liquefied gas and increasing the useable energy storage capacity of the water during operation when the heating means is shut off. | 05-09-2013 |
| 20130333397 | Facilities for Offshore Liquefied Natural Gas Floating Storage with Jack-Up Platform Regasification Unit - Facilities for offshore liquefied natural gas (LNG) floating storage with jack-up platform regasification unit, the facilities including: a jack-up unit comprising legs which have bottom part to be fixable to a sea bed and top part to be exposed to a surface of water, and a hull to be movable up and down with respect to the legs; a storage unit moored at the jack-up unit providing a space for storing LNG; a regasification unit as a module which regasifies the LNG supplied from the storage unit, installed on a top portion of the jack-up unit, separable from the jack-up unit; a utility unit comprising a power source and a sea water pump to supply power and sea water to the regasification unit; and a piping unit comprising unloading pipe for connecting the regasification unit and the storage unit and supplying pipe for carrying natural gas gasified by the regasification unit. | 12-19-2013 |
| 20140075964 | PUMPING AND VAPORIZATION SYSTEM FOR ENHANCED OIL RECOVERY APPLICATIONS - A cryogenic liquid such as liquid nitrogen or liquid carbon dioxide is pumped via a high pressure pump to a vaporizer where the liquid becomes gas. The higher pressure gas is cooled by a coolant exchanger and can be fed to an onsite unit operation such as an enhanced oil recovery operation. The coolant exchanger is in a thermal exchange relationship with a combustion engine which powers a hydraulic pump which feed hydraulic fluid to drive the high pressure pump. | 03-20-2014 |
| 20140116069 | METHODS AND SYSTEMS FOR STORING AND TRANSPORTING GASES - A method and system of storing and transporting valuable gases comprising mixing the gases with liquid natural gas to form a mixture. The mixture is transported in vessel configured for cooling the mixture by boiling a portion of liquid natural gas. The transportation vessel is further configured to be cooled in the absence of valuable gases by a remaining portion of liquid natural gas. The method further comprises recycling liquid natural gas through the vessel for pre-cooling the vessel prior to loading the mixture of valuable gases and liquid natural gas. | 05-01-2014 |
| 20140174106 | CRYOGENIC TANK ASSEMBLY - A cryogenic tank assembly includes a cryogenic tank having an internal volume that is configured to contain liquefied natural gas (LNG). The cryogenic tank includes an inlet and an outlet that are each fluidly connected to the internal volume. The assembly includes a recirculation conduit coupled in fluid communication between the inlet and the outlet. The recirculation conduit extends along a path between the inlet and outlet external to the internal volume of the cryogenic tank such that the path is configured to be exposed to an ambient environment of the cryogenic tank. The recirculation conduit is configured to: receive a flow of LNG from the internal volume through the outlet; transfer heat from the ambient environment to the LNG flow to change the LNG flow to a flow of natural gas; and inject the natural gas flow into the internal volume of the cryogenic tank through the inlet. | 06-26-2014 |
| 20140216067 | METHOD AND APPARATUS FOR HEATING A LIQUEFIED STREAM - In a closed circuit a heat transfer fluid is cycled from a first heat transfer zone to a second heat transfer zone via a downcomer, all arranged in an ambient. The first heat transfer zone, housed inside a first box, comprises a first heat transfer surface across which the liquefied stream is brought in a first indirect heat exchanging contact with the heat transfer fluid. The heat transfer fluid is allowed to condense, and a part of the condensed portion of the heat transfer fluid is allowed to accumulate within the first box thereby forming a liquid layer of the heat transfer fluid. Liquid is drawn from the liquid layer and passed through the downcomer to the second heat transfer zone. The second heat transfer zone comprises a second heat transfer surface across which the heat transfer fluid is brought in a second indirect heat exchanging contact with the ambient. | 08-07-2014 |
| 20140230458 | SYSTEM FOR SUPPLYING LIQUEFIED NATURAL GAS FUEL - Disclosed is an LNG fuel supply system, including: a fuel supply line connected from an LNG storing tank to an engine; a pump provided on the fuel supply line, and configured to change an LNG to the LNG in a supercooled liquid state by compressing the LNG discharged from the LNG storing tank at a high pressure; and a heat exchanger provided on the fuel supply line between the engine and the pump, and configured to phase change the LNG in the supercooled liquid state to the LNG in a supercritical state by heating the LNG in the supercooled liquid state supplied from the pump. | 08-21-2014 |
| 20140250922 | SYSTEM FOR SUPPLYING LIQUEFIED NATURAL GAS FUEL - A system for supplying LNG fuel is disclosed. The system includes a fuel supplying line connected from an LNG storage tank to a high pressure engine and a low pressure engine, respectively, a pump formed on the fuel supplying line, and configured to pressurize LNG outputted from the LNG storage tank to high pressure, a first heat exchanger formed on the fuel supplying line between the high pressure engine and the pump, and configured to heat the LNG supplied from the pump, a second heat exchanger formed on the fuel supplying line between the low pressure engine and the LNG storage tank, and configured to evaporate the LNG in a liquid state supplied from the LNG storage tank and a heat source supplying line configured to supply heat to the LNG by supplying glycol water to the first heat exchanger and the second heat exchanger. | 09-11-2014 |
| 20140338371 | METHOD AND APPARATUS FOR THE REGASIFICATION OF LNG ONBOARD A CARRIER - An LNG carrier for transporting LNG from one location to another that includes a vaporizer on board said LNG carrier for vaporizing the LNG to a gaseous state, one or more heat exchangers at least partially submerged in seawater, an intermediate fluid circulating between said vaporizer and said heat exchanger, and one or more pumps for circulation said intermediate fluid is disclosed. A method of regasifying LNG while on board an LNG carrier is provided that includes circulating an intermediate fluid between a vaporizer on board the LNG carrier and a submerged or partially submerged heat exchanger, heating the LNG to a temperature above its vaporization temperature using heat energy carried by said intermediate fluid and heating the intermediate fluid, using heat energy supplied by the submerged or partially submerged heat exchanger. | 11-20-2014 |
| 20150121904 | APPARATUS AND METHOD FOR HEATING A LIQUEFIED STREAM - In a heater for a liquefied stream, a first heat transfer zone has a box stretching longitudinally along an axis. A first heat transfer surface is arranged inside the box, across which a first indirect heat exchanging contact is established between a liquefied stream that is to be heated and a heat transfer fluid. A second heat transfer zone is located gravitationally lower and includes a second heat transfer surface across which the heat transfer fluid is brought in a second indirect heat exchanging contact with the ambient. A downcomer fluidly connects the first heat transfer zone with the second heat transfer zone and has a first transverse portion and a first downward portion that are fluidly connected to each other via a connecting elbow portion. The connecting elbow portion, when viewed in a vertical projection on a horizontal plane, is located external to the box compared to the axis. | 05-07-2015 |
| 20150121905 | CONTINUOUS FLOW THERMODYNAMIC PUMP - A thermodynamic pump for provides gaseous hydrogen employing a plurality of liquid hydrogen (LH2) tanks sequentially pressurized with gaseous hydrogen (GH2) from an accumulator. A heat exchanger receiving LH2 from each of the plurality of tanks as sequentially pressurized returns pressurized GH2 to the accumulator for supply to an engine. | 05-07-2015 |
| 20150362128 | DEVICE AND METHOD FOR SUPPLYING FLUID - Device for supplying fluid comprising a source tank for storing gaseous fuel at a cryogenic temperature in the form of a liquid-gas mixture, a cryogenic pump, the pump comprising a suction inlet connected to the lower part of the tank via a suction line, a high-pressure first outlet intended to supply high-pressure fluid to a user and a degassing second outlet connected to the upper part of the tank via a return pipe, the device being characterized in that it comprises a cryogenic buffer storage volume, a first pipe connecting the lower part of the buffer storage volume to the tank and a second pipe connecting the upper part of the tank to the buffer storage volume, and in that the device comprises a liquefaction member for liquefying the gas in the buffer storage volume. | 12-17-2015 |
| 20150369425 | VAPORIZATION DEVICE FOR LOW-TEMPERATURE LIQUEFIED GAS - A vaporization device ( | 12-24-2015 |
| 20160010800 | Liquid Natural Gas Vaporization | 01-14-2016 |
| 20160053944 | REMOTE NATURAL GAS SUPPLY STATION USING LNG TANK CONTAINER AND METHOD FOR SUPPLYING NATURAL GAS USING THE SAME - A natural gas supply station according to the present invention includes an installation structure on which an LNG tank container is installed and a gas vaporizer that receives a liquefied natural gas from the LNG tank container to vaporize the liquefied natural gas. Here, the installation structure includes a moving part reciprocatively moving in a direction in which the LNG tank container is unloaded from a transport unit, and the moving part is separably fixed to the LNG tank container to move the LNG tank container loaded on the transport unit to the installation structure or the LNG tank container loaded on the installation structure to the transport unit. | 02-25-2016 |
| 20160084441 | METHOD AND DEVICE FOR REPLENISHING A SUPPLY OF CRYOGENIC LIQUID, NOTABLY OF LIQUEFIED NATURAL GAS - A method for replenishing the supply of cryogenic liquid from a storage tank ( | 03-24-2016 |
| 20160146403 | INTERMEDIATE FLUID TYPE VAPORIZER - An intermediate fluid type vaporizer includes: an intermediate medium evaporator including a heat transfer tube through which seawater flows, and configured to evaporate at least a part of an intermediate medium in the form of a liquid on the outside of the heat transfer tube by heat exchange between the seawater and the intermediate medium; and an LNG evaporator including a heat transfer tube through which LNG flows, and configured to vaporize the LNG flowing through the heat transfer tube by condensing the intermediate medium evaporated in the intermediate medium evaporator on the outside of the heat transfer tube. The heat transfer tube is made of titanium or a titanium alloy. The outer circumferential surface of the heat transfer tube is formed with grooves having cavities for communicating with the outside via gaps formed in the outer surface of the heat transfer tube. | 05-26-2016 |
| 20160186930 | PRESSURIZED PRODUCT STREAM DELIVERY - A method and delivery system for delivering a pressurized product stream from an air separation plant in which a liquid stream is pumped by a pump at cryogenic temperature and then heated in a heat exchanger of a flow network to produce the pressurized product stream. The flow network is designed to control flow of the pressurized product stream and to maintain the pressure of the pressurized product stream at a constant design pressure. The design pressure is maintained by sensing pressure of the pressurized product stream and varying the speed of a motor driving the pump to maintain the pressure at the design pressure. | 06-30-2016 |
| 20170234583 | SELF-POWERED, LONG-TERM, LOW-TEMPERATURE, CONTROLLED SHIPPING UNIT | 08-17-2017 |
| 20170234597 | EXTREMELY FAST FREEZING, LOW-TEMPERATURE BLAST FREEZER | 08-17-2017 |
