ONERA Patent applications |
Patent application number | Title | Published |
20140301844 | BLADE FOR A FAN OF A TURBOMACHINE, NOTABLY OF THE UNDUCTED FAN TYPE, CORRESPONDING FAN AND CORRESPONDING TURBOMACHINE - A blade for a fan of a turbomachine, for example of unducted fan type, a corresponding fan, and a corresponding turbomachine. The blade includes a mechanism arranged, at a single location, to locally, as the fan rotates, disturb a distribution of flow around the blade so as to form two independent main vortices downstream. | 10-09-2014 |
20120177823 | METHOD FOR FORMING A PROTECTIVE COATING CONTAINING ALUMINUM ON THE SURFACE OF A METAL PART - A method for forming a protective coating containing aluminum on the surface of a metal part, wherein the part is contacted with a carburizer made of an aluminum alloy, at a treatment temperature and in a chamber, the atmosphere of which contains an active gas which reacts with the carburizer to form a gaseous aluminum halide, which decomposes upon contacting the part while depositing aluminum metal thereon. In the method the aluminum alloy of the carburizer includes at least one element, zirconium and/or hafnium, the active gas reacting with the carburizer to also form a halide of the reactive element which decomposes upon contacting the part while depositing the element thereon at the same time as the aluminum. | 07-12-2012 |
20100227116 | THREE-DIMENSIONAL SHEET STRUCTURE, METHOD FOR MAKING SAME, AND SANDWICH-TYPE STRUCTURAL MATERIAL COMPRISING SUCH STRUCTURE - The invention relates to a three-dimensional sheet structure characterised in that it comprises at least: a first sheet ( | 09-09-2010 |