Abstract: An intermediate assembly for additive manufacturing includes a metal part with an overhang portion. The intermediate assembly further includes a support structure for the overhang portion, wherein the support structure includes a fusible, porous connecting portion extending from the overhang portion, a baseplate extending from the connecting portion and defining a plurality of channels, and at least one column carrying the baseplate.

Abstract: A fuel distribution assembly for a turbomachine extends between a first interface plane and a second interface plane substantially parallel to the first interface plane, the distribution assembly including a plurality of distribution ducts, each duct having at least one inlet portion that is open to the first interface plane or to the second interface plane, at least one outlet portion that is open to the first interface plane or to the second interface plane, and a middle portion fluidly connecting each inlet portion of the duct and each outlet portion of the duct. The middle portion of each duct has an internal cross-section of substantially elliptical shape.

Abstract: A splitter between a primary flow and a secondary flow of a dual flow turbomachine includes a single-piece structure including an outer annular wall, an inner annular wall, a radial annular wall and an inner annular baffle, defining a first cavity between the outer annular wall and the inner annular baffle, and a second cavity between the inner annular wall, the radial annular wall and the inner annular baffle.

Abstract: A method for separating a part blank from a support, wherein the support and the part blank are manufactured by additive manufacturing. The support includes an inner cavity containing a fluid. The separation method includes a heating of the support to deform the support by fluid expansion in the inner cavity until the support is separated from the part blank.

Abstract: A connecting rod includes a hollow body with a ring at each end and a centre, a thickness wall e, the wall defining an outer perimeter pe and an inner perimeter pi, a surface section s being contained between the outer and inner perimeters, wherein the outer perimeter pe increases from the ends of the hollow body to the centre of the connecting rod, the hollow body maintaining a constant surface section s, the thickness e decreasing from the end to the centre of the connecting rod.

Abstract: A production of a structure for a turbomachine by additive manufacturing, including the following steps: a) providing an element having at least one localised rough region, in particular produced by machining, b) using powder bed fusion additive manufacturing in order to deposit a layer of material resulting from the fusion on the element.

Abstract: The invention relates to a method (100) for tracking a target object in an image stream captured by a camera, at a capture frequency, Fc, said method (100) comprising several iterations of a tracking phase (110), implemented individually for several images, referred to as processed, of said image stream, and comprising the following steps: detecting (114) at least one object, and its position, in the processed image, and identifying (116-124) said target object among the at least one object detected in said processed image; characterized in that said tracking phase (110) is carried out at a detection frequency, Fs, lower than said capture frequency Fc, so that two images processed during two successive iterations of the tracking phase are separated by at least one non-processed image to which said tracking phase is not applied. It also relates to a computer program, a device, and a system implementing such a method.

Abstract: The invention relates to a method for real-time multi-camera tracking of a target object comprising, for at least one new tracklet captured by at least one camera, calculating at least a first distance between the new tracklet and at least one reference tracklet belonging to the target object. The method also includes, when the smallest calculated first distance is between a first predetermined threshold value, called re-identification threshold, and a second predetermined threshold value, called human threshold, presenting the new tracklet to an operator, for the operator to assign or not assign the new tracklet to the target object, manually. The human threshold is a function of the number of reference tracklets in the reference list. The invention also relates to a computer program, to an object re-identification device and to an object re-identification system implementing such a method.

Abstract: A distribution element intended to be fixed to a support structure for supplying cooling fluid to a wall to be cooled facing the distribution element, the distribution element including a body defining a cooling fluid distribution internal volume and a multi-perforated plate which delimits the internal volume and includes a plurality of outlet through-perforations which put the cooling fluid distribution internal volume into communication with the wall to be cooled, the distribution element including an inlet orifice opening into the cooling fluid distribution internal volume, wherein for directing the cooling fluid from the inlet orifice to the plurality of outlet through-perforations the cooling fluid distribution internal volume includes directional fins.

Abstract: A method for holding a part blank inside a holding assembly. The holding assembly includes a first holding portion. The first holding portion includes an inner cavity containing a fluid. The part blank and the first holding portion are at least partially manufactured by additive manufacturing. The holding method includes a heating of the holding assembly and the part blank to deform the first holding portion by fluid expansion in the inner cavity and to reduce a gap between the part blank and the holding assembly by expansion of the first holding portion in relation to the part blank.

Abstract: Turbomachine output bearing support extending according to an axial direction, said support being formed by one and the same piece and comprising an annular inner wall having an inner side and an outer side, an annular outer wall and a twist support.

Abstract: The present invention relates to a bypass air/fluid heat exchanger (2) for a turbofan engine. According to the invention, this exchanger (2) comprises: —an annular outer shroud (3) with two walls, an inner wall (32) and an outer wall (31), —an annular inner shroud (4) concentric with the outer shroud (3), —a series of OGV guide vanes (5) which connect said outer shroud to said inner shroud, —and a circulation circuit (6) for circulating said fluid, the two shrouds delimiting a bypass air flow path, the fluid circulation circuit (6) is formed in the body of the outer shroud (3) and in the body of at least one of the OGV guide vanes (5), this circulation circuit (6) opening at the two respective ends thereof into an inlet opening (34) and into an outlet opening (35), formed through said outer wall (31) of the outer shroud, and the two shrouds (3, 4), the OGV guide vanes (5) and the circulation circuit (6) of said fluid are integral.

Abstract: The invention relates to a nozzle (1) for separating a primary flow from a secondary flow in a double-flow turbomachine. The separation nozzle comprises an outer annular wall (12), an inner annular wall (13), a radial annular wall (14) and an inner annular baffle (16). and defines a first cavity (17) between the outer annular wall (12) and the inner annular baffle (16), and a second cavity (18) between the inner annular wall (13), the radial annular wall (14) and the inner annular baffle (16).

Abstract: The invention relates to a method (100) for assisting real-time monitoring of a person of interest, implemented by computer, based on at least one sequence of images (104) of said person of interest, called reference tracklet, said method (100) comprising at least one iteration of the following steps: obtaining, in real time, at least one new sequence of images (108), called new tracklet, relating to a person; analysing said new tracklet (108), comprising the following steps carried out for at least one reference tracklet (104): calculating (112) a distance between a signature of said reference tracklet (104) and a signature of said new tracklet (108), when said distance is less than or equal to at least one predetermined threshold, automated filtering (114, 116) of said new tracklet (108) with at least one parameter relating to said reference tracklet (104); and when said new tracklet (108) satisfies said analysis step (114, 116), validating or not (117, 118) said new tracklet (108) as belonging to sai

Abstract: The invention relates to a pressurized-air supply unit for an air-jet cooling device cooling an outer casing of a turbomachine turbine. This unit is notable in that it is monobloc, in that it comprises: —a body which has an interior wall provided with air-ejection perforations, an exterior wall and outlet ducts which are configured to be coupled to cooling lines of the cooling device,—an elbowed air-conveying pipe coupled by its outlet opening to said exterior wall of the body, and in that said unit comprises at least one air-distribution partition, arranged in the outlet opening and connecting the internal face of the portion of the air-conveying pipe that is situated facing the body to the internal face of the opposite portion of the air-conveying pipe.

Abstract: A cooling fluid distribution element intended to be fixed to a support structure for supplying cooling fluid to a wall to be cooled, typically a turbine ring sector, facing it, the distribution element including a body defining a cooling fluid distribution internal volume and a multi-perforated plate which delimits this internal volume and includes a plurality of outlet through-perforations which put the internal volume into communication with the turbine ring sector, the distribution element further including an inlet orifice opening into the cooling fluid distribution internal volume, which internal volume includes directional fins for directing this cooling fluid from this inlet orifice to the outlet through-perforations.

Abstract: A constant-volume combustion system for a turbomachine includes a plurality of combustion chambers distributed in an annular manner about an axis defining an axial direction, each combustion chamber including an intake port and an exhaust port; a selective closure member rotationally movable about the axis with respect to the combustion chambers, the selective closure member including a ferrule facing the intake and exhaust ports of the combustion chambers, the ferrule containing at least one intake aperture intended to cooperate with the exhaust port of each chamber and at least one exhaust aperture intended to cooperate with the exhaust port of each chamber. Each intake aperture and each exhaust aperture are segmented by at least one segment extending in each aperture in the axial direction.

Abstract: A bearing support designed to be secured to a stationary turbojet element for supporting a journal, including a cone which widens from a central portion for supporting the journal to a portion for securing to the stationary element, a cylindrical body extending the portion for securing to the stationary element while surrounding the cone, an upstream skirt carried by the cone for defining an upstream enclosure for the central portion, and at least one downstream revolution element carried by the cone for defining a downstream enclosure for the central portion. The bearing support can be made as a single part produced by additive manufacturing.

Abstract: A constant volume combustion chamber for a turbine engine, includes an intake port, an exhaust port, and a first rotary shutter facing the intake and exhaust ports and configured to rotate around an axis in a first direction of rotation, the first shutter including an aperture intended to cooperate alternately with the intake and exhaust ports during the rotation of the first shutter. The chamber further includes at least one second rotary shutter facing the intake and exhaust ports and configured to rotate around the axis in a second direction of rotation opposite to the first direction, the second shutter including an aperture intended to cooperate alternately with the intake and exhaust ports during the rotation of the second shutter, the first and second shutters being synchronized and configured so that their respective apertures intersect alternately when both are facing the intake and when both are facing exhaust ports.

Abstract: A constant volume combustion system includes at least one combustion chamber having at least one admission port and an exhaust port. The system also includes at least one elastically deformable tongue made of ceramic matrix composite material forming an air admission valve, the tongue being present inside the chamber and being positioned facing the admission port, the tongue having a first end that is stationary relative to an inside wall of the chamber and a second end, opposite from the first end, the second end being free and movable relative to the inside wall.