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| Number | Title | Issue Date |
| 8122738 | Method and apparatus for creating an air-conditioned atmosphere The invention relates to an apparatus for creating an air-conditioned atmosphere in a transportation container (14), having a compressor (3) for generating compressed air, a cooling device (5) for cooling the compressed air and a gas-separation ... | 02/28/2012 |
| 7350591 | Device for preventing and extinguishing fires A device for the prevention and extinguishing of fires is specified having the objective of providing an inert gas fire extinguishing system which is configured in accordance with the invention such that no breaches to ceilings or walls need be made when mounting th... | 04/01/2008 |
| 7337856 | Method and apparatus for suppression of fires An apparatus, system and method for suppression of fires are provided. In accordance with one embodiment of the invention, a housing is provided with a first opening (or set of openings), a second opening (or set of openings) and a flow path defined between the firs... | 03/04/2008 |
| 7318327 | Liquefying and storing a gas Apparatus and methods for improving the safety and efficiency and decreasing the cost of producing liquid oxygen with a small-scale use liquefaction device, according to various embodiments of the present invention. In one embodiment, a switch is electrically couple... | 01/15/2008 |
| 7306654 | Method and apparatus for recovering water from atmospheric air A method of separating water from air is provided comprising the steps of (a) contacting air having water vapor with an hygroscopic liquid mixture to produce a water rich hygroscopic liquid mixture, (b) heating at least a portion of the water rich hygroscopic liquid... | 12/11/2007 |
| 7267072 | Dry cargo submarine with air-charge cargo hold Submarines with air-charged cargo holds are provided. The pressurize hull of a traditional submarine's cargo hold is replaced by non-pressurized hull, which lowers costs for transporting dry cargo and solves strength and seal problems raised when providing large ope... | 09/11/2007 |
| 7234691 | Radial-crossflow distillation trays for divided wall column applications An assembly of trays in a divided wall column having an inner column wall, a dividing wall, and an interior space includes: a first tray having at least one radial downcomer adjacent the dividing wall and extending radially toward the inner column wall a first subst... | 06/26/2007 |
| 7213400 | Liquefying and storing a gas Apparatus and methods for improving the safety and efficiency and decreasing the cost of producing liquid gas, such as liquid oxygen, with a small-scale use liquefaction device, according to various embodiments of the present invention. In one embodiment, liquid oxy... | 05/08/2007 |
| 7210312 | Energy efficient, inexpensive extraction of oxygen from ambient air for portable and home use Apparatus and method for separating oxygen directly from air, operating at substantially atmospheric pressure and recuperating energy used for cooling incoming air. An ambient air input leads from the atmosphere to a vessel for confining gases. A cryocooler has a co... | 05/01/2007 |
| 7211765 | Shielding gas and arc-welding method The invention relates to a shielding gas for use in the arc welding of metallic work pieces. The invention further relates to a process for the arc welding of metallic work pieces using consumable electrodes, whereby a shielding gas stream is supplied to the work pi... | 05/01/2007 |
| 7188492 | Plate heat exchanger A plate heat exchanger for indirect heat exchange of several fluid flows (30, 40, 50) with a heat transfer medium/cooling medium (10, 20) in a heat exchanger core (9) has a plurality of heat exchange passages within the core for the heat transfe... | 03/13/2007 |
| 7152432 | Multistory bath condenser The invention relates to a bath condenser with a condenser block (1) that has evaporation passages (8) for a liquid and liquefaction passages (2) for a heating medium and at least two circulation sections (7) that are located vertically o... | 12/26/2006 |
| 7124834 | Method and system for extinguishing a fire Method for extinguishing a fire in a space, especially in a tunnel or equivalent, in which method an extinguishing medium is sprayed in the space by means of spraying heads. In a first stage of the method, the flow and temperature of the hot gases produced by the fi... | 10/24/2006 |
| 7124833 | System for delivery of breathable fire extinguishing gas This invention relates to an improved portable system for the delivery of a breathable, fire extinguishing gas mixture to a fire zone. The gas mixture comprises a normally gaseous inert material, such as nitrogen, helium or argon; an oxygen containing gas; and carbo... | 10/24/2006 |
| 7081153 | Gas generating system and method for inerting aircraft fuel tanks The present invention provides a system and method for generation of nitrogen enriched air for inerting aircraft fuel tanks. One embodiment of the present invention includes a duct assembly; a primary heat exchanger; a gas generating system heat exchanger; a first t... | 07/25/2006 |
| 6932858 | Vortex tube system and method for processing natural gas A method and system for processing of natural gas in which a gaseous natural gas stream which is made up of a mixture of hydrocarbons is introduced into a vortex tube, forming a hot fluid stream and a cold fluid stream. The cold fluid stream is introduced into the u... | 08/23/2005 |
| 6925818 | Air cycle pre-cooling system for air separation unit The method of processing air prior to separation of such air into gaseous components, the steps that include: first compressing a stream of air and cooling the compressed air, to enable water separation and removal from the stream, to provide a dry stream of air; th... | 08/09/2005 |
| 6735980 | Recovery of krypton and xenon A method for recovering krypton and xenon from air comprises (a) separating an air feed stream into oxygen-enriched and nitrogen-enriched product streams; (b) reacting the oxygen-rich product stream with a hydrocarbon feed in a synthesis gas generation process to yi... | 05/18/2004 |
| 6560991 | Hyperbaric hypoxic fire escape and suppression systems for multilevel buildings, transportation tunnels and other human-occupied environments Hyperbaric Hypoxic Fire Escape and Suppression System is provided for multilevel buildings, transportation tunnels and other human-occupied environments. The system produces and maintains a hypoxic hyperbaric environment in a separate part of a building (... | 05/13/2003 |
| 6560990 | Vapor-liquid contactor, cryogenic air separation unit and method of gas separation In an vapor-liquid contactor 4a for flowing down a liquid along the surface of a packing and contacting said liquid with the vapor while ascending the vapor, the improvement being characterized in that said packing is a non-promoting-fluid-dispersion type... | 05/13/2003 |
| 6557374 | Tunnel fire suppression system and methods for selective delivery of breathable fire suppressant directly to fire site A total flood fire suppression system is provided for transportation tunnels and other human-occupied environments, which employs a selective gas delivery method for supplying a breathable fire-extinguishing agent to a location closest to a fire site. The... | 05/06/2003 |
| 6526778 | Resilient containers for hyperpolarized gases and associated methods A resilient multi-layer container is configured to receive a quantity of hyperpolarized noble fluid such as gas and includes a wall with at least two layers, a first layer with a surface which minimizes contact-induced spin-relaxation and a first or secon... | 03/04/2003 |
| 6502421 | Mobile firefighting systems with breathable hypoxic fire extinguishing compositions for human occupied environments Mobile fire-fighting systems and a method of producing breathable fire-suppression compositions are provided for extinguishing fires in buildings, and other human occupied structures, being also effective in suppressing fires under ruins of collapsed buil... | 01/07/2003 |
| 6427484 | Air conditioner having oxygen enriching device An air conditioner includes an oxygen-enriched air separator for separating exterior air into oxygen-enriched air and nitrogen-enriched air and an oxygen-enriched air supplier for supplying the separated oxygen-enriched air to an indoor unit. The oxygen-e... | 08/06/2002 |
| 6418752 | Hypoxic fire prevention and fire suppression systems and breathable fire extinguishing compositions for human occupied environments Fire prevention and suppression systems and breathable fire-extinguishing compositions are provided for rooms, houses and buildings, transportation tunnels and vehicles, underground and underwater facilities, marine vessels, aircraft, space stations and v... | 07/16/2002 |
| 6401487 | Hypoxic fire prevention and fire suppression systems with breathable fire extinguishing compositions for human occupied environments Fire prevention and suppression systems and breathable fire-extinguishing compositions are provided for rooms, houses and buildings, transportation tunnels and vehicles, underground and underwater facilities, marine vessels, submarines, passenger and mili... | 06/11/2002 |
| 6383257 | Reclamation and separation of perfluorocarbons using condensation An apparatus and process for separating perfluorocarbon compounds from a gas mixture passes an incoming stream of a gas into a cold trap, the gas stream including a plurality of perfluorocarbon compounds. The gas mixture is cooled within the cold trap to ... | 05/07/2002 |
| 6314754 | Hypoxic fire prevention and fire suppression systems for computer rooms and other human occupied facilities Fire prevention and suppression system is provided for human occupied computer rooms and other industrial and public facilities. The equipment of the system provides low-oxygen environments with climate control and at normal atmospheric or slightly increa... | 11/13/2001 |
| 6203596 | Process and apparatus for removing hydrogen and/or carbon monoxide from an air stream The process serves for removing carbon monoxide and/or hydrogen from an air stream by catalytic oxidation. Dusts and/or aerosols of a particle size of less than 20 μm are removed from the air stream upstream of the catalytic oxidation.... | 03/20/2001 |
| 6164089 | Method and apparatus for recovering xenon or a mixture of krypton and xenon from air Method and apparatus for recovering xenon or a mixture of xenon and krypton from air processed in a cryogenic air separation plant. An oxygen rich stream containing xenon and or krypton and xenon together with other trace impurities is subjected to a carb... | 12/26/2000 |
| 6070432 | Production of cryogenic liquid mixtures A product cryogenic liquid mixture comprising oxygen and nitrogen having a chosen mole fraction of oxygen is produced by expanding, typically through a valve, a pressurized stream of a precursor fluid mixture, which may be liquid air, having a mole fracti... | 06/06/2000 |
| 6006545 | Liquefier process A process for liquefying a gas, wherein the gas is compressed, cooled, then expanded in a first turbine and at least partially liquefied, wherein a portion of the liquid produced is also cooled, and then expanded in a second turbine, wherein the second tu... | 12/28/1999 |
| 5996373 | Cryogenic air separation process and apparatus A cryogenic air separation process and apparatus in a distillation column having a top condenser. Air is compressed, purified and cooled to a temperature suitable for distillation. The air is separated in a distillation column so that an oxygen-enriched l... | 12/07/1999 |
| 5987917 | Process and device for producing nitrogen from air The air is compressed in a precompressor (1) to a prepressure, then cooled, cleaned and reheated. A heat exchanger (2) is used for simultaneous cooling and reheating. The separation of the nitrogen is effected in a separation device (4), which comprises a... | 11/23/1999 |
| 5901574 | Device and process for evaporating a liquid The device and the process are used to evaporate a liquid. A first (7) and a second (9) heat exchanger contain evaporation passages and passages for a heat transfer fluid. First heat exchanger (7) is designed as a falling film evaporator, second heat exch... | 05/11/1999 |
| 5694790 | Separation of gas mixtures An heat exchange-cum-rectification apparatus comprises a heat exchanger having a first set of passages for separating by dephlegmation a first flow of compressed vaporous air into nitrogen-rich fluid and oxygen-enriched liquid air, and, in heat exchange r... | 12/09/1997 |
| 5644932 | Use of structured packing in a multi-sectioned air seperation unit The present invention is a process for the cryogenic separation of air to recover at least one of its constituent components, which is carried out in an air separation unit having at least one distillation column; wherein the distillation column has at le... | 07/08/1997 |
| 5584194 | Method and apparatus for producing liquid nitrogen A method and apparatus for producing liquid nitrogen from air comprising a gaseous mixture of about 78% by volume of nitrogen, about 21% by volume of oxygen, less than 1.0% by volume of argon, and small amounts of carbon dioxide, water vapour, and other t... | 12/17/1996 |
| 5582030 | Apparatus for producing nitrogen Air is compressed in an air compressor and cooled in an air cooler whereafter the impurities which have condensed out are removed. The air is subsequently reheated in a heat exchanger which is connected on the hot air side between the air compressor and t... | 12/10/1996 |
| 5426945 | Process and apparatus for recovering vapor A process and apparatus are provided for recovering volatile liquid vapors from an air-volatile liquid vapor mixture. The process includes: (1) cooling the mixture to condense volatile liquid vapors and moisture; (2) collecting the condensed volatile liqu... | 06/27/1995 |
