CENTRE NATIONAL DE LA RECHERCHE SCIENT. (CNRS) Patent applications |
Patent application number | Title | Published |
20110030341 | DEVICE WITH SECONDARY JETS REDUCING THE NOISE GENERATED BY AN AIRCRAFT JET ENGINE - An aircraft jet engine including a wall centered about a longitudinal axis and surrounding a stream of gas ejected at a downstream end of the wall in the direction of the axis, primary ducts distributed at the periphery of the downstream end of the wall configured on command each to eject a jet of primary fluid to interact with the ejected stream of gas, the primary ducts of each pair converging towards one another near the downstream end of the wall so that the primary jets ejected form two sides of a triangle that meet at the vertex thereof in a view projected onto a plane perpendicular to a transverse plane, and secondary ducts each associated with each pair of primary ducts and configured on command to eject a jet of secondary fluid directed into the triangle formed by the primary jets. | 02-10-2011 |
20110002148 | POWER RECTIFIER CIRCUIT AND SYSTEMS, ASSOCIATED METHOD, AND AIRCRAFT COMPRISING SUCH A CIRCUIT OR SYSTEMS - A power rectifying circuit for an electric current signal supplied by an alternating power source, which includes: two separate switching assemblies adapted to be connected to a power terminal of the source, wherein at least one switching assembly includes a plurality of boost cells in cascade, each boost cell including a diode, a switch mechanism and a capacitor, the capacitors of the two terminal boost cells of the switching assemblies having one terminal in common. The circuit may include two assemblies of boost cells, and can be used in electric systems onboard aircrafts. | 01-06-2011 |
20090202815 | USE OF A NANOSTRUCTURED MATERIAL, AS PROTECTIVE COATING OF METAL SURFACES - The present invention relates to the use of a nanostructured material, as a protective coating for metallic surfaces, said nanostructured material comprising functionalized nano-building blocks and a polymer or hybrid organic/inorganic matrix. | 08-13-2009 |