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| Number | Title | Issue Date |
| 8175822 | Method for measuring the pressure and/or molar mass of a gas in a housing, and corresponding measurement assembly The invention relates to a method for measuring the pressure and/or molar mass of a gas in a housing, the measure being carried out via an acoustic sensor, said acoustic sensor at least one transducer (5), an electric system (8) connected to the transd... | 05/08/2012 |
| 8123482 | Device for maintaining a hydraulic turbomachine A device for holding a hydraulic turbomachine in position, the turbomachine comprising a drive shaft along which are distributed turbines designed to rotate the drive shaft when they are immersed in a moving liquid, each turbine comprising drive blades distributed a... | 02/28/2012 |
| 7776203 | Method of producing thin films of compound I-III-VI, promoting the incorporation of III elements in the film The invention relates to a method of producing thin films of compound CIGS by means of electrodeposition. According to the invention, a surface-active compound, such as dodecyl sodium sulphate, is added to an electrolysis bath solution in order to promote the incorp... | 08/17/2010 |
| 7572532 | Oxide material and a fuel cell electrode containing said material The invention relates to an oxide material of general formula (I) A2−x−yA′XA″yM1−z M′Z04+δ, wherein A and A′ are independently a metal cation of a group formed by lanthanides and/or alk... | 08/11/2009 |
| 7473870 | Method for making a radiation heating structure The invention concerns a method for making a radiation heating structure comprising a heating film electrically powered to produce Joule heating, a radiating film comprising radiating additives and a thermally insulating film. The insulating film and the radiating f... | 01/06/2009 |
| 7273539 | Method for regeneration of an electrolysis bath for the production of a compound I-III-VIin thin layers The invention relates to the regeneration of an electrolysis bath for the production of I-III-VIY compounds in thin layers, where y is approaching 2 and VI is an element including selenium, whereby selenium is regenerated in the form Se(IV) and/or with addi... | 09/25/2007 |
| 6498328 | Transverse flux induction heating device with magnetic circuit of variable width A heating device for the electromagnetic induction heating of a metal strip traveling in a specified direction. The device includes at least one electric coil arranged opposite at least one of the large surfaces of the strip so as to heat the latter by tr... | 12/24/2002 |
| 6475296 | Degreasing composition and methods using same The present invention relates to a degreasing composition, to a liquid, to a gel and to a degreasing foam which comprise said composition. The composition according to the invention comprises a base, a polyethoxylated fatty alcohol, saturated or unsaturated, a... | 11/05/2002 |
| 6217733 | Bipolar membrane and method for fabricating such bipolar membrane A bipolar membrane, usable for electrodialysis of aqueous electrolytes, comprises two ion exchange membranes, respectively anionic and cationic, juxtaposed along a common surface, wherein, along said common surface, a gel based on hydrated metal sulpate a... | 04/17/2001 |
| 6214284 | Process for manufacturing a sintered structural ceramic part of aluminum nitride The invention concerns a process for manufacturing a part made of high temperature-resistant, ceramic material based on aluminum nitride and reaction sintering. The process comprises the steps of preparing a homogeneous mixture of boron nitride powder, al... | 04/10/2001 |
| 6069556 | Interface device bi-directional connection of currents carrying low voltage/radiofrequency The invention concerns an interface device of bi-directional connection of current carrying low voltage/radio frequency. It includes a module for coupling currents carrying low voltage/radio frequency delivering in reception signals (rcp) representing rec... | 05/30/2000 |
| 5924743 | Device adapted to be fixed and sealed to at least one cylindrical member The invention concerns a device adapted to be fixed and sealed to at least one cylindrical member (1, 1'), characterized in that it includes: a first sleeve (2), a second sleeve (3) coaxial with the first sleeve (2) having a greater capacity for deformation th... | 07/20/1999 |
| 5806444 | Method and an installation for treating waste by drying, sublimination, oxidation, and combustion Waste treatment. The installation for implementing the method comprises: a furnace (1) defining a confinement enclosure (2) for a fluidized bed (3) of particulate matter; means for recirculating the particles of the bed; means (28) for mixing, coating, an... | 09/15/1998 |
| 5519742 | Process for replacing a worn steam generator of a pressurized water nuclear reactor The process comprises separating the worn steam generator from the primary circuit of the reactor by cutting pipes of the primary circuit, extracting the worn steam generator from the reactor and placing in position in the reactor a new replacement steam ... | 05/21/1996 |
| 5497142 | Directional separator-coupler circuit for medium-frequency carrier currents on a low-voltage electrical line A directional separator-coupler circuit is provided for a medium-frequency carrier current on an electrical line of a low-voltage alternating current network. The separator-coupler circuit comprises a parallel resonant circuit (C,L) inserted into the elec... | 03/05/1996 |
| 5496524 | Reactor for the thermal conversion of methane An apparatus for the thermal conversion of methane into hydrocarbons of higher molecular weight, comprising a reactor (1) of elongate form, connected on the one hand, at a first end, to an inlet for supplying gaseous mixture containing methane (process ga... | 03/05/1996 |
| 5443326 | Method and device for providing an aquatic passage in running water A device for creating a specific but temporary aquatic passage in an artificial or natural river. The device includes bases which rest on the bottom of a river and elements which extend upwardly from the bases. The bases have holes formed therein which re... | 08/22/1995 |
| 5264091 | Method and an electrochemical installation for treating aqueous effluent containing a heavy metal An electrochemical installation for treating aqueous effluent containing a heavy metal, the installation comprising an electroplating reactor for the heavy metal, itself comprising a tank in which alternating electrodes of opposite polarity are placed, th... | 11/23/1993 |
| 5230880 | Process and device for forming calcium oxide This is a process and a device making use of a process for forming calcium oxide from pulverulent calcium carbonate, according to which an initial bath of pulverulent calcium oxide is produced in a reactor (1, 31) in the form of a fluidized bed which is h... | 07/27/1993 |
| 5122245 | Process for the synthesis of "oxo" products by the plasma route and installation comprising a plasma reactor usable in the process The present invention relates to a process for the synthesis of "oxo" products or their derivatives consisting of hydrocarbon compounds containing carbonyl and/or hydroxyl groups, characterized in that a hydrocarbon substrate containing an unsaturation, s... | 06/16/1992 |
| 5088917 | Gas electroburner with electric power supply and assisted ignition A gas burner comprises an annular air delivery duct axis, connected to an air supply for delivering a rotating air stream to a combustion chamber. A device injects fuel gas into said combustion chamber along the axis of said annular delivery duct. An arc ... | 02/18/1992 |
| 5039064 | Handling device for laying electrical cables by helicopter This device (100), making it possible to pass a cable through a passage in a supporting structure delimited by a closed contour, comprises: a frame (110) suspended under the helicopter and having means (112-117) for centering and supporting the device on the s... | 08/13/1991 |
| 4960650 | Method of repairing or protecting an end of a metal tube in a heat exchanger and sleeve for implementing same To repair a corroded region of the end of a heat exchanger tube, a sleeve is inserted, then expanded into the tube both in the area of the tube sheet and beyond the corroded area, then local welds are made in each of the expanded regions. Thereafter, the ... | 10/02/1990 |
| 4934012 | Device for brushing the gasket face of a manhole for gaining access to the inside of a vessel The invention relates to a device for brushing the gasket face of a manhole for gaining access to the inside of a vessel. The invention comprises a main frame (100), a secondary frame (200) mounted to rotate relative to the main frame (100) about an axis ... | 06/19/1990 |
| 4928152 | Process and device for optically measuring the distance and the velocity of a target A device for optically measuring the distance of a target (20) comprising a monomode coherent light source (18) means (18a, 21, 30) for periodically varying the wavelength of the light of the source, a photodetector (19) for detecting the variation in the... | 05/22/1990 |
| 4907878 | Device for discriminating fluids having different refractive indices and device for measuring the voluminal fraction of at least one fluid of a current of non-mixible fluids incorporating the discrimination device The discriminating device comprises an optical coupler (4) having at least three ends (5 to 8) to which are connected a semiconductor source of light (1) whose intensity is modulated, a semiconductor photoconductor (2) and an optical probe constituted by ... | 03/13/1990 |
| 4904347 | Method and apparatus for distilling liquid hydrocarbon products A liquid product (4) leaving a furnace (2) is introduced into a series of cyclone separators (5, 6, 7). The liquid product to be vaporized is introduced tangentially into the top portion (5a, 6a, 7a) of each cyclone to place the product into contact with ... | 02/27/1990 |
| 4881072 | Device for remote metering A device for remote metering, comprising a meter (4) for measuring a consumption, a transmission circuit for transmitting information relating to quantities consumed, and consisting essentially of a modulating circuit (5,6) and of a bifilar line (3), and ... | 11/14/1989 |
| 4800484 | Computing installation with automatic terminal switching and a terminal adapted to such switching The computing installation comprises a plurality of digital computers and at least a terminal unit, for instance a printer, suitable for use in cooperation with any one of the computers. Each computer may deliver a request for access to the terminal. In r... | 01/24/1989 |
| 4781469 | Detecting proximity or occurrence of change of phase within a fluid For detecting the occurrence or the imminence of a change of phase within a fluid, a predetermined quantity of heat is generated within thermally conducting means in contact with the fluid. The temperature of said means is measured and compared with a ref... | 11/01/1988 |
| 4756334 | Check-valve assembly, in particular for a pressurized water reactor This check-valve assembly, adapted to close a fluid flow circuit without creating overpressures or hammering in this circuit, comprises a tubular body (1) connected at both of its ends to a respective pipe section (2, 3), a closure member (4) mounted to b... | 07/12/1988 |
| 4746495 | Installation for chemical conversion of a gas mixture containing hydrogen and hydrocarbons An installation for chemical conversion of a gas mixture containing hydrogen and hydrocarbons comprises a series of reactors in which the gas mixture undergoes endothermic reactions at temperatures within the range of 350° C. to 900° C. A furnace is pla... | 05/24/1988 |
| 4716857 | Furnace wall comprising feed nozzles molded in two complementary parts A fluid, especially secondary air, feed nozzle of an incinerator furnace, in accordance with the invention, is made in two complementary recessed parts (11, 12). These parts are molded from refractory material (silicon carbide, for example) and assembled ... | 01/05/1988 |
| 4688627 | Detecting leaks in a heat exchanger in operation The process is suitable for detecting leaks in a heat exchanger for heat exchange between two gaseous fluids, for instance for super heating steam. The heat exchanger has a lower pressure fluid circuit and a higher pressure fluid circuit. A predetermined ... | 08/25/1987 |
| 4673781 | Electromagnetic induction device for heating metal elements An electromagnetic induction apparatus for heating metal elements has at least one flat loop magnetic circuit open at its two facing ends, with an inductor wound onto the magnetic circuit. The inductor has two windings wound onto the magnetic circuit, res... | 06/16/1987 |
| 4651151 | Single-channel measuring head for remote metering apparatus The single channel measuring head has a sensor whose output signal is amplified and filtered. A converter provides sequencies of 3 pulses representing a low reference, the measured parameter and a high reference. The time-period between the first two puls... | 03/17/1987 |
| 4620693 | Pole lifting apparatus Apparatus for lifting electric line poles is disclosed which also enables a ground rod or stake to be driven into the ground next to such a pole. There is provided a telescopic mast having a hoist with a rope run over pulleys to a lifting hook and attache... | 11/04/1986 |
| 4602955 | Composite material that can be used to make oxygen sensors A composite material sensitive to weak variations of oxygen pressure at a low temperature, of the type containing microscopic particles of an ionic conductor of oxygen ions contained in a solid solution, in tetravalent metal oxides, oxides of other metals... | 07/29/1986 |
| 4577093 | Device for electric heating of a gas mixture by direct Joule effect The high-power electric heating device is capable of heating gas mixtures such as a mixture of hydrocarbons and hydrogen to temperatures and pressures attaining 900° C. and 60 bar respectively. A central duct connects the gas mixture inlet to the outlet ... | 03/18/1986 |
| 4573628 | Method for tapping into tubing under a controlled atmosphere, in particular for tubing in a nuclear power station The method comprises the steps of: digging out a continuous groove (13) in the wall of the tubing at the location of the tapping point to be made, said groove being slightly shallower than the thickness of the wall, thereby leaving a membrane (14) of meta... | 03/04/1986 |
