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| Number | Title | Issue Date |
| 7776208 | Integration of gasification, hydrocarbon synthesis unit, and refining processes This disclosure discusses integrating syngas streams with refinery hydrotreators, synthetic hydrocarbon gas to liquid (GTL) processes, and power generation units (such as combined cycle units) to efficiently use hydrogen contained in the syngas produced from heavy h... | 08/17/2010 |
| 7691318 | Process of making hollow fibers The invention provides a spinnerette assembly for forming hollow fibers. The spinnerette assembly contains an extrusion orifice and a fiber-forming material passage in communication with the extrusion orifice. A hollow needle extends through the extrusion orifice in... | 04/06/2010 |
| 7641719 | Apparatus for the separation of at least one constituent of a gas mixture by pressure swing adsorption The gas separation apparatus comprises a flexible wall which is maintained in a placed position on an upper end of an adsorbant material; the volume between the wall and an upper dome communicates with one of inner and outer chambers on both sides of the adsorbant (... | 01/05/2010 |
| 7638972 | System for monitoring a group of electrochemical cells and device therefor A system for monitoring a group of electrochemical cells (C1, . . . , Ci, . . . , Cn) arranged in series, wherein each cell (Ci) is provided for outputting a DC voltage (Vi) greater than a minimum value (Vmin). According to the invention, said monitoring syst... | 12/29/2009 |
| 7464012 | Simplified process simulator Process simulators, including a novel process simulator that utilizes simplified mathematical correlations to predict the performance of equipment or subsystems in a process unit. The process simulator comprises a process correlation that is a mathematical response ... | 12/09/2008 |
| 7462218 | Aluminum melting method using analysis of fumes coming from the furnace A process and a device for melting aluminum where solid aluminum is melted in a furnace to form aluminum melt pool. The temperature and carbon monoxide (CO) concentration of the flue gas generated in the melting process is detected and examined for variations. Using... | 12/09/2008 |
| 7445040 | Heat exchange fin and the production method thereof A heat exchange fin spacer. The fin may be sandwiched between two plates in a brazed-plate heat exchanger. The fin is based upon a corrugated product having wave legs which, when mounted, define flow channels for a gas to be condensed. The fin has at least one conde... | 11/04/2008 |
| 7444834 | Method and installation for the provision of gas under pressure The invention relates to a method for the provision of gas under pressure, by vaporisation of a cryogenic liquid from at least two cryogenic separation devices (A, B, C, D). Each device comprises a heat exchanger (1) and a system of columns (2, 3). In ... | 11/04/2008 |
| 7444823 | Method and device for cooling a stream of gaseous liquid and a method of cooling articles A method and a device for cooling various articles. A gas stream is cooled with liquid nitrogen and the cooled stream is then applied to articles in order to cool them. ... | 11/04/2008 |
| 7431272 | Device for stirring a liquid and injecting a gas into said liquid with limited clogging An apparatus for stirring and injecting a gas into a liquid. A drive device, located above a container containing a liquid, is connected to a vertical output shaft. The shaft has a self-suction turbine at its. The turbine is made of two stacked disks where the surfa... | 10/07/2008 |
| 7422623 | Separation membrane by controlled annealing of polyimide polymers This abstract discusses membranes needed to separate fluids for the production of oxygen-enriched air, nitrogen-enriched-air, for the separation of carbon dioxide from hydrocarbons, and the separation of hydrogen from various petrochemical and oil refining streams. ... | 09/09/2008 |
| 7399393 | Oxide ion conductive ceramic membrane structures for high-pressure oxygen production The invention concerns an oxide ion conductive ceramic membrane, characterized in that it comprises a non-null finite volume with non-null total thickness E, comprising, a dense layer (CD) of a solid electrolyte, a so-called bonding layer (CA), of mixed conductive p... | 07/15/2008 |
| 7396392 | Installation for treating at least one fluid and use thereof for the separation of at least one constituent of a gas mixture An apparatus and method of use for treating at least one fluid, in a container that holds at least one mass of a particulate material between two perforated walls. Near the upper part of the mass, at least one deflector extends from the first wall towards the second... | 07/08/2008 |
| 7393380 | Method of guaranteeing at least one characteristic of a fluid used for producing food products A method for guaranteeing at least one characteristic of a fluid used for producing food products. This method utilizes a system for piping and delivering the fluid, combined with means for producing the products, in order to use the fluid for producing the products... | 07/01/2008 |
| 7393383 | Separation membrane made from blends of polyimide with polyamide or polyimide-amide polymers Membranes are used to separate fluids for the production of oxygen-enriched air, nitrogen-enriched-air, for the separation of carbon dioxide from hydrocarbons, and the separation of hydrogen from various petrochemical and oil refining streams. Membranes are discusse... | 07/01/2008 |
| 7385158 | Method and installation for laser welding with a N/He gas mixture, the N/He content being controlled according to the laser power A method and an apparatus for welding with a laser beam. A shielding gas mixture of nitrogen and helium is used and the proportions of the component gases are modified depending on the laser beam's power or power density. Plasma formation in the shield gas is minimi... | 06/10/2008 |
| 7380414 | Method and system for treating an oxygen-rich liquid bath collected at the foot of a cryogenic distillation column Methods and apparatus for treating a liquid bath of oxygen. A liquid bath of at least 70 mol % of oxygen is located at the base of a cryogenic distillation column. The bath is continuously boiled by an aluminum reboiler. A portion of the liquid bath is purged to pre... | 06/03/2008 |
| 7380413 | Method and installation for separating a mixture of hydrogen and carbon monoxide A method for simultaneously producing hydrogen and carbon monoxide by subjecting synthesis gas to a decarbonation in a decarbonation unit, and to desiccation in a desiccation unit. After the decarbonation and the desiccation, the remaining synthesis gas components a... | 06/03/2008 |
| 7370494 | Method and installation for producing, in gaseous form and under high pressure, at least one fluid chosen from oxygen, argon and nitrogen by cryogenic distillation of air A process and apparatus for highly efficient production of industrial gases by the cryogenic distillation of air, wherein a feed stream of compressed air, is supercharged to high pressure, cooled, and mixed with various recycle streams of supercharged air, to regula... | 05/13/2008 |
| 7351670 | Method for producing silicon nitride films and process for fabricating semiconductor devices using said method Silicon nitride film is formed on a silicon wafer mounted in a boat in an LPCVD tool by feeding a silicon source (SiH2Cl2, SiCl4, Si2Cl6, etc.) from an injector and feeding a mixed gas of monomethylamine (CH | 04/01/2008 |
| 7347054 | System for heating tanks of liquefied gas by induction The invention relates to a system for delivering gas stored in a vessel in liquefied form, said vessel having in its lower part a liquefied phase of said gas and in the upper part a gaseous phase of said gas, which vessel includes a means for connecting to a means f... | 03/25/2008 |
| 7341449 | Process for the heat treatment of a series of objects and associated apparatus A method and apparatus for heat treating objects in an enclosure, where the enclosure has an inlet passage, an outlet passage, and a treatment zone. Gaseous first fluid is injected into the treatment zone and the objects to be treated are passed through the treatmen... | 03/11/2008 |
| 7337616 | System for sampling cryogenic liquids, and air separation unit provided with at least one such system A system for sampling cryogenic liquids, and an air separation unit provided with at least one such system. The cryogenic liquid is introduced into a vaporizer, through heat exchange with the compressed air. The liquid passes through the vaporizer generally downward... | 03/04/2008 |
| 7334708 | Integral blocks, chemical delivery systems and methods for delivering an ultrapure chemical Integral blocks, chemical delivery systems and methods for delivering an ultrapure chemical to a point of use or to another integral block are provided. More particularly, the integral blocks include a recharge container block, a pressurization gas block, a purge ga... | 02/26/2008 |
| 7335304 | Method for reducing sludge of a biological ozone treatment system Methods for treating aqueous effluent, which include reducing sludge formation during the biological treatment of an aqueous effluent. The sludge formation is reduced by injecting an ozone containing gas into an aeration tank which contains the effluent. The affluen... | 02/26/2008 |
| 7332108 | Method of preparing a thin ceramic composition with two materials, the composition thus obtained and the constituent electrochemical cell and membrane There is disclosed a method for preparing a thin ceramic and/or metallic solid-state composition consisting of three phases: a material (A), a material (B) and pores. The concentration of each phase varies continuously from one face of the article to the other in a ... | 02/19/2008 |
| 7329827 | Wire-guide nozzle assembly for a robotic TIG welding torch The invention relates to a wire-guide/nozzle assembly (11, 13) for an electric arc welding torch, comprising at least one nozzle (11) for delivering gas and at least one wire-guide system (13) for guiding at least one consumable wire, characteri... | 02/12/2008 |
| 7330778 | Method for determining the operating parameters of a system comprising a cooling chamber A method for determining the operating parameters of a system for cooling articles. The temperature of the articles, as they leave a chamber, is predicted. The prediction is made on the basis of operating parameters of the chamber, thermodynamic and physical charact... | 02/12/2008 |
| 7320337 | Fluid distribution and control valve and use thereof to supply enriched air to the occupants of an aircraft An apparatus and a method for fluid distribution and control. A valve body defines at least two pairs of chambers which are each connectable to an external fluid circuit. A mobile structure, which moves according to a controlling unit, forms an internal penetrating ... | 01/22/2008 |
| 7299642 | Cryogen/water heat exchanger and the application thereof to the supply of gas to an on-board power unit in a vehicle The invention relates to an exchanger, advantageously a plate exchanger, comprising counter-current parallel exchange sections (8,9). According to the invention, the exchange section for the water (8) has an essentially constant cross-section, whereas ... | 11/27/2007 |
| 7300561 | Oxide ion conductive ceramic membrane stacked microstructures; use for separating oxygen from air The invention concerns an oxide ion conductive ceramic membrane, characterized in that it comprises a non-null finite volume with non-null total thickness E, comprising a dense layer (CD) of a solid electrolyte, a so-called bonding layer (CA), of two porous electrod... | 11/27/2007 |
| 7296437 | Process for separating air by cryogenic distillation and installation for implementing this process A process and an apparatus for separating air by cryogenic distillation. The apparatus has a medium pressure column thermally coupled to a low pressure column. Compressed and purified air is cooled to cryogenic temperature in an exchanger, and sent at least partly t... | 11/20/2007 |
| 7294180 | Gas generator assembly A gas generator assembly, which is especially suited to both transportable and on-board oxygen generators, with at least one adsorbent and a buffer tank to store product gas separated from a feed gas mixture. In order to make the assembly squat and compact, the buff... | 11/13/2007 |
| 7276104 | Installation for producing products using a fluid An apparatus and method for producing products using a fluid, which enables one to control the quality of the fluid from the point of production to the point of use, monitored on a microbiological, physical, and chemical basis. At least one sensor for the acquisitio... | 10/02/2007 |
| 7273511 | Method and plant for enriching a combustible gas mixture in at least one components thereof A method and an apparatus for enriching a combustible gas. The gas mixture is initially flowing in a distribution line at a set pressure. Part of the mixture is bypassed to a separate line where it is then compressed. This compressed stream is then treated in a gas ... | 09/25/2007 |
| 7266460 | NOx software sensor Methods and apparatus for determining the NOx content in a combustion flue gas. Several parameters of the combustion process are measured in the combustion furnace. These parameters are then input to a neural network, which then, based upon the input data, generates... | 09/04/2007 |
| 7263859 | Process and apparatus for cooling a stream of compressed air Process and apparatus for cooling a compressed gas stream which utilizes one or more elongated vessels having a substantially vertical orientation. Each vessel has one compartment for indirect heat exchange between the compressed gas stream and a cooling stream and ... | 09/04/2007 |
| 7263842 | Method and device for cooling a mass of a substance A method and a device for cooling a mass of meat-, tissue-, vegetable- and/or fruit-containing substance in a container, in particular a mixer, blender or mill, using liquefied nitrogen (N2) which is supplied in the lower region of the container at a cons... | 09/04/2007 |
| 7228715 | Cryogenic air separation process and apparatus A low temperature air separation process and apparatus for producing pressurized gaseous product in an air separation unit using a system of distillation columns which include cooling a compressed air stream in a heat exchange line to form a compressed cooled air st... | 06/12/2007 |
| 6733003 | Installation and method of venting the waste gases of air distillation or liquefaction units To reduce the level of oxygen concentration in the waste gases emitted by the stack of such installations, according to the invention, connecting means (15) connect the respective internal spaces of a chamber (13), for discharging an inert gas miscible... | 05/11/2004 |
