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COMM. A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTER.

COMM. A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTER. Patent applications
Patent application numberTitlePublished
20110262638DEVICE AND METHOD FOR DEPOSITING A POWDER MIXTURE FOR FORMING AN OBJECT WITH COMPOSITION GRADIENTS - A device for depositing a mixture of powders to form an object with composition gradients, including: a plurality of tanks respectively configured to contain different powders; a powder mixer placed under the tanks and including a rotatably mounted mixing member; a plurality of powder dispensing mechanisms respectively cooperating with the tanks, and each configured to regulate mass flow rate of the powder escaping from a respective of the tanks towards the mixer; a powder mixture collector placed under the mixer; and a powder mixture dispenser placed under the collector.10-27-2011
20110221301METHOD AND DEVICE FOR SUPPRESSING HYSTERESIS OF RESONATORS THROUGH SIMULTANEOUS RESONANCE - The invention relates to an electromechanical resonator including at least one deformable element, actuating means for this deformable element for applying to it, simultaneously, at least one first actuating force at a first frequency, and a second actuating force at least one second frequency, the first and second frequencies creating at least two simultaneous resonances at a frequency equal to the frequency of one of the actuating forces.09-15-2011
20110220024DEVICE FOR THE SYNTHESIS OF NANOPARTICLES BY FLUIDIZED-BED CHEMICAL VAPOUR DEPOSITION - A device for vapor deposition of chemical species on support grains of spherical or similar shape disposed in a fluidized bed. The device includes a first chamber including a fluidized bed in which a funnel-shaped fluidizer element is housed to receive support grains of spherical or similar shape; a second chamber in fluid flow connection with the first chamber to deliver precursors in a vapor phase of chemical species to be deposited on the support grains and to convey a fluidizing gas towards the first chamber; and a flute at an inlet to the fluidizer element to control distribution of the vapor phase precursors and the fluidizing gas within the fluidizer element. The distributor flute includes one or more outer grooves, each groove including a first portion oriented along the longitudinal axis of the flute and a second portion winding helically around the axis to generate a fluidizing gas vortex within the first chamber.09-15-2011