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WO/2021/219949A1 |
The invention relates to an annular intermediate casing (22) for a turbomachine through which an aerodynamic airstream circulates, comprising: - a radially internal shroud (31), - a radially external shroud (32), - at least one stator bl...
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WO/2021/218526A1 |
Disclosed is a pneumatic engine, composed of a stator cylinder (4), a rotor piston plate (5), a valve assembly (1), and a mechanical transmission or hydraulic transmission. In the valve assembly (1), all valve plugs (17, 19, 22, 25) are ...
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WO/2021/213783A1 |
The invention relates to a hydrodynamic machine (1) for supplying air to a fuel cell system, comprising at least one impeller (3) conjointly connected to a shaft (2), and an electric motor (4) for driving the shaft (2), the shaft (2) bei...
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WO/2021/214928A1 |
This turbine includes a rotatable impeller that has a hub with a plurality of rotor blades, and a cylindrical member with a diffuser located downstream of the impeller, wherein on an inner surface of the cylindrical member, a plurality o...
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WO/2021/213971A1 |
The invention relates to a fuel cell system (19) having a fuel cell stack (11) to which there are assigned a feed gas path (12) and an exhaust gas path (13), and having an internal gas system (20) which comprises at least one driven shaf...
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WO/2021/215323A1 |
Provided is a heat-insulating-material assembly including: a heat insulating material that covers the outer surface of a casing for a gas turbine; and guard parts that are provided so as to protrude from the outer surface of the casing s...
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WO/2021/209713A1 |
The present invention relates to a housing (130) for a turbine engine turbine (1), the housing (130) extending about an axis (X), comprising an annular wall (112) and a cooling device (100), the wall (112) being provided with at least on...
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WO/2021/209204A1 |
The invention relates to a method for processing a hollow-cylindrical workpiece (1) to manufacture coupling teeth (2) on both end faces (13, 15) of the workpiece (1). Moreover, the invention relates to a mobile workpiece fixture (10) for...
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WO/2021/211074A1 |
The present invention particularly relates to a carrier with movable fan blade holders (2) that can swivel independently in the vertical axis so as to carry and pile up the fan blades and mating parts to be removed from engines or to be ...
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WO/2021/209707A1 |
The invention relates to a turbine (1) for a turbine engine extending along an axis, comprising an annular casing (4) and at least one turbine stage (1) comprising a nozzle (2) and a rotor impeller wheel (5) surrounded by a sealing ring ...
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WO/2021/205092A1 |
The invention relates to a mold (1) for manufacturing a turbine engine fan casing from a composite material, comprising: a mandrel (2) around which a fibrous fan casing preform is to be wound; a plurality of angular sectors (3) of a coun...
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WO/2021/205125A1 |
An analysis device (130) for detecting solid particles suspended in a lubricant, the analysis device (100) comprising one or more ferromagnetic solid particle sensors (234, 235, 236, 237), one or more other sensors (238, 239, 240, 241) c...
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WO/2021/205091A1 |
The invention relates to a mold (1) for manufacturing a turbine engine fan casing from a composite material, comprising: - a mandrel (2) which has a main axis (θ) and around which a fibrous fan casing preform is intended to be wound; - ...
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WO/2021/198583A1 |
Device for distributing oil from a rolling bearing (8) for an aircraft turbine engine, comprising: - a rolling bearing (8), - an oil distributor ring (5) and - an annular track (26) of a dynamic seal (22), characterised in that it furthe...
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WO/2021/198601A1 |
The invention relates to a turbine engine module, comprising: - a fan shaft (6), - a power shaft (15) rotating the fan shaft via a speed reducer (21) arranged in a lubrication chamber (22), - a lubrication system (50) for the speed reduc...
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WO/2021/197665A1 |
An integrated hermetically sealed turboexpander-generator (21) comprises a hermetically sealed casing arrangement (23), a turboexpander (25), a compressor (27) and an electric generator (29), arranged in the hermetically sealed casing ar...
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WO/2021/200893A1 |
This jig for assembling and extracting a blade root spring for fixing a movable blade to a rotor comprises: a push-out mechanism for pushing out the blade root spring or a push-out rod that is pressed to the blade root spring; and a base...
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WO/2021/198602A1 |
The invention relates to an assembly (22) for an aircraft turbine engine, comprising a fan drive reduction gear (20) and a lubrication system (24) comprising: - a reduction gear housing (31a); - a lubricant tank (26); - a lubricant suppl...
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WO/2021/200104A1 |
Provided is a method for manufacturing a steam turbine member that has extremely excellent smoothness. The method for manufacturing a steam turbine member according to the present invention includes: a clad layer formation step for formi...
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WO/2021/200634A1 |
A ceramic coating according to at least one embodiment of the present disclosure is provided with a bond coat layer formed on a base material and a ceramic layer formed on the bond coat layer. The ceramic layer has a first region being i...
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WO/2021/200847A1 |
This fin tip position measurement method comprises: a jig installation step for installing a jig having a flat measurement surface expanded in a circumferential direction and an axial direction to a tip of at least one among a plurality ...
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WO/2021/197664A1 |
An integrated hermetically sealed turboexpander-generator (21) comprises a hermetically sealed casing arrangement (23), a turboexpander (25), a compressor (27) and an electric generator (29), arranged in the hermetically sealed casing ar...
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WO/2021/200702A1 |
This early sign detection device comprises: a plurality of sensors; a data acquisition unit for acquiring the time-series change data of a physical quantity from the plurality of sensors; a calculation unit for calculating, from the time...
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WO/2021/198624A1 |
The invention relates to an intermediate casing (1) for a turbomachine, comprising: o an inner wall (3) having an outer radial surface (30), o an outer wall (4) having an inner radial surface (40), and o a first arm (21), a second arm (2...
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WO/2021/192565A1 |
A turbocharger (30A, 30B, 30C, 30D, 30E) having a turbine wheel (36T), a turbine scroll section (36S) arranged at the outer periphery of the turbine wheel, and a gas introduction passage (36F) for introducing exhaust gas into the turbine...
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WO/2021/191521A1 |
Method for manufacturing a metal component (1), characterized in that it comprises the following steps: a shell (2) made of a titanium-based material is provided, the shell (2) having a first surface (3) and a second surface (4) remote f...
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WO/2021/191523A1 |
The invention relates to a turbomachine comprising a device for ventilating and pressurising a turbine rotor of a turbomachine of axis (A), the device comprising at least one collection pipe suitable for collecting a fraction of the air ...
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WO/2021/191569A2 |
Turbomachine (10) for an aircraft, comprising a casing (30), a fan (20), a compressor (50) and a turbine (90), and a planetary gearing (40) comprising an input that is driven in rotation by the turbine (90), a first output stage configur...
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WO/2021/191553A1 |
Disclosed is an aircraft turbine engine (10), comprising a gas generator (12) and a fan (14) arranged upstream from the gas generator (12) and configured to generate a gas inlet stream (F), part of which flows into a duct of the gas gene...
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WO/2021/191534A1 |
The invention relates to a turbine assembly comprising: a plurality of ring sectors (50) forming a ring (5); a support structure (6) comprising a shroud (60) from which there project radial flanges which serve to hold latching tabs of ea...
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WO/2021/191571A1 |
The invention relates to an enclosure (26) for a turbomachine (10) comprising a turbomachine drive shaft (16) rotating about a longitudinal axis (X) by means of two roller bearings (22, 24), an upstream bearing (22) and a downstream bear...
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WO/2021/191538A1 |
Turbine shroud assembly comprising sections (10) made from CMC and forming a shroud (1) and a support structure (3), each section having a base (12) with a radially internal face (12a) and a radially external face (12b), from which there...
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WO/2021/192758A1 |
In this method for mounting a combustor component, a component hanging step for attaching a string material to a hanging jig mounted on a combustor component and hanging the combustor component with the string material together with the ...
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WO/2021/194473A1 |
A method of modulating a cooling supply in a gas turbine engine includes providing the engine comprising a compressor section and a turbine section and including a cooling flow circuit, the cooling flow circuit supplying a cooling air fl...
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WO/2021/191528A1 |
Turbofan engine (10) of longitudinal axis (X-X') comprising a primary duct (20), in which there flows a primary flow (F1) at a primary pressure (P3), and a secondary duct (19), which radially surrounds said primary duct (20) and in which...
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WO/2021/186896A1 |
This composite-material blade formed by using a fiber-reinforced resin containing a resin and reinforcing fibers is provided with: a base material part provided on the inner surface of the composite-material blade; and a first cover part...
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WO/2021/185544A1 |
The invention relates to a method for adapting a turbine assembly which is designed for a first operating parameter range, in particular load range, to a second operating parameter range, in particular load range, in which method - a tur...
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WO/2021/188114A1 |
A turbine operable to produce a flow of exhaust gas along a central axis includes a strut having a flow portion positioned within the flow of exhaust gas and a strut cover having a length and positioned to surround the flow portion of th...
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WO/2021/185524A1 |
The invention relates to a method for provisionally ensuring the functional capability of a housing of a machine in the event of damage to the housing, the housing having a housing upper part and a housing lower part, which are detachabl...
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WO/2021/186134A1 |
A turbine assembly (1) comprising: - a plurality of turbine ring sectors (20) made of ceramic-matrix composite material, - a ring support structure (3), comprising an annular shroud (6), and in addition -a plurality of angular spacer sec...
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WO/2021/186124A1 |
The invention relates to a method for chemical pickling of a cast metal part, comprising a metal enclosure which defines an inner space in which at least one porous ceramic core is housed, and an outer space, the ceramic core being in fl...
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WO/2021/185533A1 |
The present invention describes a coupling guard (1) for a rotor (2), wherein the coupling guard (1) comprises: - a housing (10) configured for enclosing the rotor (2) in an inner space (101) of the housing (10), said housing (10) being ...
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WO/2021/176167A1 |
The invention relates to a method for manufacturing a composite platform (30) for a fan of an aircraft turbine engine, wherein said platform comprises an elongate wall (32) and is configured to extend between two fan blades (3), said wal...
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WO/2021/176161A1 |
The invention relates to a composite platform (30) for a fan of an aircraft turbine engine, which comprises an elongate wall (32) and is configured to extend between two fan blades (3), said wall comprising an aerodynamic outer surface (...
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WO/2021/176160A1 |
Method for manufacturing a composite platform (30) for an aircraft turbine engine fan, this platform having a wall (32) of elongate shape that is configured to extend between two fan blades (3), this wall having an aerodynamic external f...
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WO/2021/175538A1 |
Improved cooling is made possible by an improved cooling structure with cooling air holes (18) inside a depression (20) in a blade tip (3) and a special arrangement of multiple cooling air holes (25) which are supplied by a single coolin...
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WO/2021/169760A1 |
A variable geometry turbocharger control method, applied in a vehicle. The vehicle comprises an engine having a variable geometry turbocharger, the variable geometry turbocharger comprises a nozzle ring, and the method comprises: obtaini...
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WO/2021/172035A1 |
Provided are: a turbine exhaust chamber that can reduce a reverse flow of a fluid along a bearing cone; and a turbine. The turbine exhaust chamber (20) comprises: a casing (30); and a bearing cone (40) that is provided inside the casing ...
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WO/2021/170167A1 |
The present invention relates to a guide blade arrangement (20) for a turbomachine (1), having a guide blade aerofoil (22), and having a platform (21), wherein the guide blade aerofoil (22) is arranged on a side (21.1), which faces a gas...
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WO/2021/165611A1 |
The invention relates to an assembly (60) for a fluid circuit (40) of a turbine engine (1). The assembly (60) comprises a main branch (62), a fluid control valve (70), and a bypass branch (64) which is arranged parallel to the main branc...
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