| Air Liquide Industrial U.S. LP Patent applications |
| Patent application number | Title | Published |
|---|
| 20120103137 | VAPOR-REINFORCED EXPANDING VOLUME OF GAS TO MINIMIZE THE CONTAMINATION OF PRODUCTS TREATED IN A MELTING FURNACE - Systems and corresponding methods are described herein that provide an effective inert blanket over a metal surface (hot solid (charge) metal or molten metal) in a container such as an induction furnace. The system includes a container of metal and a system configured to delivery biphasic inert cryogen toward the metal. The delivery system may include a lance disposed at the top of the container. The lance has a hood that directs both a flow of liquid cryogen and a flow of vaporous gas toward the metal surface. The liquid cryogen contacts the metal surface, generating a volume of expanding gas over the metal surface. The vaporous cryogen creates a reinforcing vapor that slows the expansion rate of the expanding gas, localizing the expanding gas over the metal surface. | 05-03-2012 |
| 20110239665 | CONVEYOR RAIL SUPPORT, CRYOGENIC FREEZER, AND METHOD OF COOLING FOOD - A cryogenic freezer includes a plurality of conveyor rail supports that rest upon side walls of a lower housing of the freezer. The conveyor rail supports include upper and lower bars that support upper and lower conveyor support rails extending perpendicular to the bars. | 10-06-2011 |
| 20110217691 | OXYGEN-ASSISTED FERMENTATION PROCESS - A fermentation process uses substantially pure oxygen. The oxygen is the only reactive gas which is injected into a fermentation vessel. The oxygen is moved through the vessel solely by its own pressure. The process can be used with both mechanically-agitated and air-lifted fermenters. The mechanically-agitated fermenter includes an analyzer for measuring oxygen concentration in the exhaust line, and adjusting the flow of fresh oxygen into the vessel accordingly. In the air-lifted fermenter, an analyzer measures the oxygen concentration in the head space of the vessel, and operates valves which either recycle the gas from the head space, or vent that gas to the outside, according to the measured concentration. A stream of nitrogen is periodically injected into the vessel to drive out carbon dioxide and other gases, to control the pH of the fermentation medium. The present invention substantially improves the efficiency of a commercial fermentation process. | 09-08-2011 |
| 20110198369 | CONCRETE COOLING INJECTION UNIT AND METHOD OF INJECTING A COOLANT INTO A CONCRETE MIXTURE - A method and apparatus for cooling a mixture with an injection system. The injection system is adjustable to accommodate the relative position and particular specifications of a given container (e.g., concrete mixer). In one embodiment, the injection system is operable to inject a coolant directly into the mixture while in the mixing process. | 08-18-2011 |
| 20100288123 | Processes For The Recovery Of High Purity Hydrogen And High Purity Carbon Dioxide - The present invention relates to various processes for recovering high purity gaseous hydrogen and high purity gaseous carbon dioxide from the gas stream produced using steam hydrocarbon reforming, especially steam methane reforming, utilizing a H | 11-18-2010 |
| 20100287981 | Processes For The Recovery Of High Purity Hydrogen And High Purity Carbon Dioxide - The present invention provides for various processes for recovering high purity gaseous hydrogen and high purity gaseous carbon dioxide from the gas stream produced using steam hydrocarbon reforming, especially steam methane reforming, utilizing a H | 11-18-2010 |
| 20100219172 | Process For Reducing The Loss Of Backing Gas When Welding Pipe - The present invention provides for a process for welding pipes together utilizing a cover device that has a gutter-shaped portion that is arranged on the plan of joint of the pipes to be welded together. By arranging the cover device such that the gutter-shaped portion faces and covers a portion of the plan of joint formed by the abutment of the ends of the pipes to be welded together, it is possible to eliminate or minimize the waste of gas that is utilized to create an internal gas backing. | 09-02-2010 |
| 20100122971 | Process For Laser Cutting A Metal Plate - The present invention provides a process for laser cutting a metal plate that comprises a) providing at least a laser cutting device, b) providing a metal plate to be cut from a metal coil, c) providing at least a holding apparatus holding and maintaining the metal plate, d) cutting said metal plate by means of at least a laser beam delivered by said at least one laser cutting device In this process, during step d), the metal plate is first cut by a first line comprising at least a first cutting machine, into at least one peripheral blank, and at least one peripheral blank is subsequently fed to at least a second line comprising at least a second cutting machine, to be cut into several smaller individual final blanks. With regard to this process, the first line produces peripheral blanks faster than at least one second cutting machine of the second line can cut them into several smaller individual final blanks. During laser cutting in the second line, said peripheral blank is held and maintained in position by said at least one holding apparatus. | 05-20-2010 |
| 20100122970 | Support Table Frame For High Speed Laser Blanking - The present invention provides an apparatus for laser cutting that comprises a rigid support table frame having a X-axis and a Y-axis, and one or more bridge rail modules running across the Y-axis of the table frame, each bridge rail module comprising at least one hold-down device module. The present invention further provides a process for laser cutting a metal plate using this apparatus. | 05-20-2010 |
| 20100072182 | Fiber Laser Cutting Process with Multiple Foci - A process for laser cutting a workpiece comprising the steps of providing a fiber-type laser resonator; providing a workpiece to be cut having a thickness of at least 1 mm; generating a laser beam using the laser resonator; focusing the laser beam in several distinct focus points, at least one of said focus points being focused in the thickness of the workpiece to be cut; and cutting said workpiece at a speed of at least 20 m/min. | 03-25-2010 |
| 20090288520 | Vapor-Reinforced Expanding Volume Of Gas To Minimize The Contamination Of Products Treated In A Melting Furnace - Systems and corresponding methods are described herein that provide an effective inert blanket over a metal surface (hot solid (charge) metal or molten metal) in a container such as an induction furnace. The system includes a container of metal and a system configured to delivery biphasic inert cryogen toward the metal. The delivery system may include a lance disposed at the top of the container. The lance has a hood that directs both a flow of liquid cryogen and a flow of vaporous gas toward the metal surface. The liquid cryogen contacts the metal surface, generating a volume of expanding gas over the metal surface. The vaporous cryogen creates a reinforcing vapor that slows the expansion rate of the expanding gas, localizing the expanding gas over the metal surface. | 11-26-2009 |
| 20090094995 | SYSTEM AND METHOD FOR PROCESSING FOOD PRODUCTS WITH FLUID RECIRCULATION AND CHILLING - Systems and methods freeze food products. A system provides a storage tank of liquefied gas, a gas-liquid separation tank, and a crust freezer. The crust freezer provides plates chilled by flow of liquefied gas through conduits traversing an interior volume of the plates. The method includes recirculating liquefied gas to improve cooling efficiency while lowering operation costs. The system and method further provide for integrated measurement and control of the flow of liquefied gas through components of the system. Freezing of the food products occurs at a surface of the food products along where the food products and the plate interface. | 04-16-2009 |
| 20090064821 | Vapor-Reinforced Expanding Volume of Gas to Minimize the Contamination of Products Treated in a Melting Furnace - Systems and corresponding methods are described herein that provide an effective inert blanket over a metal surface (hot solid (charge) metal or molten metal) in a container such as an induction furnace. The system includes a container of metal and a system configured to delivery biphasic inert cryogen toward the metal. The delivery system may include a lance disposed at the top of the container. The lance has a hood that directs both a flow of liquid cryogen and a flow of vaporous gas toward the metal surface. The liquid cryogen contacts the metal surface, generating a volume of expanding gas over the metal surface. The vaporous cryogen creates a reinforcing vapor that slows the expansion rate of the expanding gas, localizing the expanding gas over the metal surface. | 03-12-2009 |
| 20090050218 | Gas Control Device with Protective Cover - A method and apparatus for providing a gas to or from a pressurized cylinder is described. The apparatus includes a gas delivery device housing that houses and protects a gas control device configured to deliver gas to a user or device, and may also be adapted to provide gas to the pressurized cylinder in a refilling process. The housing includes a surface free from unnecessary depressions and/or protrusions to facilitate cleanability and enhance safety during use. Adjustment indicators and status indication elements disposed in or on portions of the housing are configured to enhance readability and recognition, which facilitates safe and efficient operation of the device. Adjustable elements to control a flow metric from the gas control device are adapted to facilitate adjustment by a user with a large hand and/or a user suffering from some diminished physical capability. | 02-26-2009 |
| 20080196417 | FLUID RECIRCULATION SYSTEM FOR LOCALIZED TEMPERATURE CONTROL AND CHILLING OF COMPRESSED ARTICLES - Systems and methods compress, freeze and store forms at sufficiently low temperatures. A system provides a storage tank of liquefied gas, a gas-liquid separation tank, and a compression chamber. The compression chamber provides compression plates chilled by flow of liquefied gas through conduits traversing an interior volume of the plates. The method comprises recirculating liquefied gas to improve cooling efficiency while lowering operation costs. The system and method further provide for integrated measurement and control of the flow of liquefied gas through the primary components of the system. In one embodiment, the forms are rubber cylinders utilized in the production of torsion axels. | 08-21-2008 |
