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WO/2023/232028A1 |
A turbine guide vane mounting structure, comprising an upper cover plate, a lower supporting plate and a turbine guide vane located between the upper cover plate and the lower supporting plate. The turbine guide vane comprises an upper e...
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WO/2023/228467A1 |
A turbine T comprises: housings 3, 5 including an accommodation space 29 that accommodates a turbine impeller 15, a turbine scroll flow path 31a disposed radially outside the turbine impeller 15, a communication flow path 33 through whic...
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WO/2023/227411A1 |
The present invention relates to a lubrication assembly (1) comprising two pumps (10, 20), the shafts (11, 21) of which are rotatably coupled by means of at least one polygonal profile coupling (40).
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WO/2023/227126A1 |
A turbine outer ring connection structure comprises a turbine outer ring, a middle-layer casing and a plurality of connection assemblies, wherein each connecting assembly comprises an elastic beam and a connection piece, the bottom of th...
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WO/2023/227916A1 |
The invention relates to a portable dynamic balancing device for marine and factory engines, which is placed at the point of installation of the engine, for on-site balancing of the shaft (8) of an engine. The device has legs (1) on whic...
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WO/2023/227849A1 |
One aspect of the invention relates to a method for manufacturing a self-stiffened intermediate casing for a turbomachine comprising the steps of: - draping at least one first preform, - draping at least one second preform, - positioning...
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WO/2023/222549A1 |
The invention relates to a de-icing system configured to be mounted on a surface (3A, 3B) of a mechanical part (1) to be de-iced, said system comprising at least: - a piezoelectric actuator (9), - a fastening device (11) configured to fa...
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WO/2023/223655A1 |
This shaft sealing device is disposed between a rotor and a stator, and partitions an annular space between the outer peripheral surface of the rotor and the inner peripheral surface of the stator into a first axial side and a second axi...
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WO/2023/219100A1 |
The present disclosure provides a maintenance method for gas turbines, said method comprising: a step for preparing a third actuator; a step for removing a first actuator and attaching the third actuator at a first inspection time; a ste...
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WO/2023/217797A1 |
The invention relates to a bearing (21) for a turbine engine comprising an oil film compression damper, including an inner sleeve (22) intended to receive an outer ring of a rolling bearing, an outer sleeve (23) surrounding the inner sle...
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WO/2023/218777A1 |
This cylinder for a combustor that enables combustion of fuel on an inner peripheral side thereof comprises: a plurality of cooling paths that are formed between an inner peripheral surface and an outer peripheral surface and enable circ...
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WO/2023/213852A1 |
The invention relates to a turbomachine comprising a heat exchanger (11), a first circuit (13) for a first fluid, the first circuit (13) comprising two pipes (31, 33) in the heat exchanger (11), a second circuit (15) for a second fluid a...
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WO/2023/214507A1 |
A plurality of circumferentially-arranged split plates retained by a seal-ring retention ring include a plurality of first split-plate groups that are circumferentially arranged on one circumferential side of the seal-ring retention ring...
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WO/2023/209337A1 |
There is provided an acoustic black hole comprising: in a first axis, along a line, a variation from a first characteristic to a second characteristic to a third characteristic, wherein the acoustic black hole comprises a taper from the ...
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WO/2023/209339A1 |
There is provided an acoustic black hole comprising: in a first axis, a variation from a first characteristic to a second characteristic, along a line; in a second axis different to the first axis, a variation from a first characteristic...
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WO/2023/209285A1 |
The invention relates to a collector (10) for a drained liquid for an aircraft turbine engine, said collector comprising: - an internal cavity (54) comprising a first space (54A) for collecting the drained liquid and a second space (54B)...
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WO/2023/211473A1 |
A system for providing mobile electric power includes a first transport including an inlet plenum and a generator, a second transport including a gas turbine, and a turbine exhaust unit, and a third transport including a generator exhaus...
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WO/2023/209284A1 |
The invention relates to a collector (10) for a drained liquid for a turbine engine, comprising: - an internal cavity (54) comprising a first space (54A) for collecting the liquid and a second space (54B) for transferring the liquid, the...
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WO/2023/210226A1 |
This combustor attachment jig is a jig for attaching a combustion cylinder of a combustor to a gas turbine, and comprises a fixed portion capable of being fixed to a combustor insertion hole portion of a casing of the gas turbine, and an...
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WO/2023/209338A1 |
There is provided an acoustic black hole comprising: in a first axis, a taper from a first thickness to a second thickness, along a line; in a second axis perpendicular to the first axis, and away from the line, one or more regions of di...
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WO/2023/203855A1 |
This turbine housing comprises a scroll flow path wall surface that connects an outer peripheral end of a scroll flow path and an outer peripheral end of a hub side flow path wall surface. The scroll flow path wall surface includes a fir...
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WO/2023/201220A1 |
A cryogenic expansion turbine system (10) includes a turbo-expander (12) configured to receive and expand a cryogenic gas feed stream (24). A rotary shaft (16) operatively connects the turbo-expander and a resistance device, such as a co...
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WO/2023/194692A1 |
The invention relates to a method for manufacturing a rotationally symmetrical part made of composite material (100) for a propulsion assembly comprising: - manufacturing a fibre preform on a mandrel (200) having a profile corresponding ...
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WO/2023/194677A1 |
The invention relates to an assembly for an aircraft turbomachine (20), the assembly comprising a stator section (26), a first bearing (28a), a second bearing (28b) and a holder part (32) in an oil chamber (22) delimited by an outer cham...
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WO/2023/189148A1 |
The purpose of the present invention is to provide a method for selecting a chemical agent for scale removal use which is suitable for scales and a base material. Provided is a method for selecting a chemical agent for scale removal use,...
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WO/2023/180071A1 |
The invention relates to a nozzle ring (10) for a radial turbine. The nozzle ring (10) comprises a first ring element (11), a second ring element (12), and a plurality of guide vanes (13) arranged between the first ring element (11) and ...
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WO/2023/180668A1 |
The invention relates to a turbine engine module, in particular an aircraft turbine engine (10), comprising: - an annular casing (52) having an internal wall (53) forming a channel wall; and - a nozzle (32) surrounded by the casing and c...
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WO/2023/175339A1 |
There is disclosed a turbine dosing system for a turbocharger. The turbine dosing system comprises a turbine inlet passage (112), a turbine wheel chamber and a turbine outlet passage (116). The turbine inlet passage is configured to rece...
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WO/2023/175281A1 |
Method for locating a mark (46, 48) on a casing (10) of a turbomachine (1) of an aircraft, characterized in that it comprises: a) a step of visually inspecting the arms (16), the outer surface (12a) of the internal shroud (12) and the in...
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WO/2023/176333A1 |
Provided is a tapered material manufacturing method by which a tapered shape can be imparted without a shaping defect even when squeezing is applied to an Ni-based superalloy ring material. For a squeezing process for obtaining a tapered...
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WO/2023/175266A1 |
The present invention relates to a nickel-based superalloy, characterized in that its composition comprises or advantageously consists essentially of, in percent by weight of the total composition: Al 2.5 - 3.8, Co 7.9 - 16.9, Cr 9.7 - 1...
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WO/2023/176577A1 |
A method for applying a thermal barrier coating according to one embodiment includes a step for forming a topcoat layer on a bond coat layer formed on a heat-resistant alloy substrate of an object. In the step for forming the topcoat lay...
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WO/2023/175282A1 |
The invention relates to an aircraft turbomachine (10) comprising: a gas generator (12) comprising an output shaft (26) as well as a first lubricating circuit (28); and equipment (14) coupled to the output shaft (26) and comprising a rot...
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WO/2023/176155A1 |
This steam turbine plant is provided with: a steam turbine having a first ground seal provided on one side in an axial direction of a turbine rotor and a second ground seal provided on the other side in the axial direction thereof; and a...
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WO/2023/170357A1 |
The invention relates to an aeronautical propulsion unit (10) with a longitudinal axis (X), comprising a hub (12), an annular row of non-ducted upstream rotor blades (14) and an annular row of non-ducted downstream stator blades (16), wh...
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WO/2023/162384A1 |
In this method for estimating a flange displacement amount, effective three-dimensional coordinate data items are obtained at: a lower first position in a plane contiguous to a lower flange surface of a first supported part; and an upper...
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WO/2023/161577A1 |
The invention relates to a nickel-based alloy powder, that comprises in weight percentages, 14.00 to 15.25% of chromium, 14.25 to 15.75% of cobalt, 4.00 to 4.60% of aluminium, 0 to 0.50% of iron, 0 to 0.15% of manganese, 3.00 to 3.70% of...
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WO/2023/162386A1 |
This flange displacement amount estimation method is for understanding valid three-dimensional coordinate data at a lower first position in a surface connected to a lower flange surface of a first supported part, at a lower target middle...
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WO/2023/162387A1 |
This method of estimating a flange surface pressure distribution involves executing: a reference model receiving step for receiving a three-dimensional reference shape model of a rotating machine; a measured coordinates receiving step fo...
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WO/2023/161582A1 |
The invention relates to a turbine engine (1) for an aircraft, which turbine engine has a primary annular flow path (10) and a cold stream duct (20, 30) extending around the primary annular flow path (10), said turbine engine comprising:...
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WO/2023/162388A1 |
In a method for estimating flange displacement, effective three-dimensional coordinate data is ascertained at a lower first position of a first supported portion in a plane contiguous to a lower flange surface, and an upper first positio...
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WO/2023/162412A1 |
According to one embodiment, the present invention provides a rotating-machine casing support structure including: a casing; a built-in component that is disposed inside an interior space of the casing at a lateral side of a rotor and th...
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WO/2023/161093A1 |
The invention relates to an assembly (1) comprising a machine (2) consisting of a first element (10) coupled to a second element (20), the machine (2) being connected to a chassis (30), the chassis (30) also comprising a guide interface ...
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WO/2023/156049A1 |
A steam turbine including at least one steam turbine section, wherein said at least one steam turbine section comprises at least two blade stages. Said blade stages include a row of fixed blades and an accompanying row of moving blades t...
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WO/2023/156733A1 |
The invention relates to a turbomachine (1) with a low-pressure shaft (8) having an internal passage (18) for a first air stream (A1) and a first segment (8a), a second segment (8b) comprising a first frustoconical portion (8b'), an inte...
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WO/2023/157519A1 |
This sealing device comprises: a sealing member provided between a rotary part and a stationary part of a rotary machine in the radial direction of the rotary machine; and a holding member which is at least partially accommodated in a gr...
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WO/2023/157708A1 |
The steam turbine system according to at least one embodiment of this disclosure comprises: a steam turbine; a main steam supply line which supplies steam to an upstream stage of the steam turbine; an intermediate-stage steam supply line...
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WO/2023/156752A1 |
The invention relates to a sealing system (21) for a turbomachine bearing enclosure (E1), comprising a stator (22) carrying a rotor (23), this system (21) comprising a seal (25) carried by the stator (22) and surrounding the rotor (23), ...
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WO/2023/152108A1 |
The invention relates to a propulsion assembly (1) for an aircraft having at least one propulsion member (10), a gas turbomachine (T) configured to rotate the propulsion member (10), an electric machine (M), mounted downstream of the gas...
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WO/2023/149088A1 |
A steam valve according to at least one embodiment of the present disclosure comprises: a valve body including a steam passage for passing steam and a valve seat that is provided at a midpoint of the steam passage and has an opening; a v...
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