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WO/2024/066255A1 |
A high-pressure turbine active clearance control device, comprising a high-pressure turbine casing (1), gas collection casings (2), an impingement heat exchange tube (3) and a fluid oscillator (4). The gas collection casings (2) are disc...
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WO/2024/062189A1 |
The invention relates to a sealing device (1) comprising: a ring (10) that comprises a main sealing lip (12) and a secondary sealing lip (14), the main sealing lip having an inner surface (11), the secondary sealing lip (14) having a rad...
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WO/2024/059469A1 |
A guide for cutting a dowel pin of a rotor assembly is provided. The guide includes a catch basin, including a first catch basin portion and a second catch basin portion, and a shim. The first catch basin portion and the second catch bas...
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WO/2024/056958A1 |
The invention relates to a method for producing an abradable ceramic composite coating on a substrate, the method comprising: obtaining (E1) a composition (30) in powder form comprising a matrix powder and a ceramic filler hydrated precu...
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WO/2024/056133A1 |
The invention relates to an inflow device (7) of a spiral channel (6) of an exhaust gas guide section (2) of an exhaust gas turbocharger (1), said inflow device comprising an inflow section (8) and a flow section, the inflow section (8) ...
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WO/2024/057776A1 |
A heat-exchanging partition wall for air cooling a high-temperature component of an aircraft engine is provided with a wall that defines a cooling flow path through which cooling air flows along a first direction between the wall and a c...
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WO/2024/056975A1 |
The invention relates to a device for guiding a shaft of an aircraft turbine engine, the device comprising: - a rolling bearing (10, 11); - an annular bearing support (22); and - an oil film compression damping system (19) comprising: - ...
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WO/2024/056134A1 |
The invention relates to an exhaust gas guide section (2) of an exhaust gas turbocharger (1), said exhaust gas guide section comprising a spiral channel (6) which is designed to surround at least part of a turbine wheel (3) of a rotor (4...
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WO/2024/053148A1 |
This turbine T includes an impeller 2 and a housing 5 that houses the impeller 2. The housing 5 includes an inlet that is in fluid communication with an exhaust port of an engine, a first space S1 that houses the impeller 2, a second spa...
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WO/2024/054490A1 |
A turboexpander (102) comprises a rotor shaft (108) and a permanent magnetic generator and includes a process gas inlet on a downstream side of a flow control valve (126) to receive process gas into the turboexpander; the rotor shaft (10...
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WO/2024/048830A1 |
The present invention relates to a high-efficiency axial flow turbine (100) having improved functions. To this end, the present invention comprises: a housing (110) which allows fluid to be introduced into the axial flow turbine through ...
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WO/2024/045240A1 |
A supercritical carbon dioxide radial-inflow turbine structure suitable for gas inlet at 600 ℃, belonging to the technical field of turbines. The present invention aims to solve the problem that sealing of supercritical carbon dioxide ...
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WO/2024/038492A1 |
This supercharger seal structure comprises at least a plurality of seal members provided to a seal gap formed between a rotating member, which includes a rotating shaft and a rotating wheel, and a stationary member, which includes a hous...
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WO/2024/038250A1 |
A rake assembly (100) for measuring fluid flow parameters in a fluid flow rig (10), the rake assembly (100) comprising : a rake assembly support frame (500); a housing (102) mounted on the rake assembly support frame (500); the housing (...
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WO/2024/034643A1 |
This gas turbine assembly comprises: a metallic component including a bolt hole; a composite component overlapping the metallic component; a retainer including a bolt hole aligned with the bolt hole of the metallic component; and a bolt ...
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WO/2024/035537A1 |
A gas turbine engine includes an outer casing, an inner casing surrounded by the outer casing, the inner casing and the outer casing defining a casing cavity therebetween. A blower is disposed external of the outer casing and operable to...
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WO/2024/028553A1 |
The invention relates to a turboprop (10) comprising: - a turbine (12) mechanically connected to an input (21) of a reducer (20); - a tail shaft (30) bearing a variable-pitch propeller (31); - a rotary electric machine (46); and - an ele...
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WO/2024/024791A1 |
This rotary device (100) comprises: an impeller 1; a plurality of movable-type vanes 2 which are disposed upstream or downstream from the impeller 1 and operated so as to adjust the cross-sectional area of a flow passage; and an inner wa...
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WO/2024/021252A1 |
An air guide casing inner cylinder of a gas turbine having double combustion chambers, comprising an inner cylinder body (2, 3), a lower flow guide plate (4), and an upper flow guide plate (5). The two circumferential sides of the lower ...
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WO/2024/023408A1 |
According to one aspect, the invention relates to a device for de-icing a turbine engine blade (1) of axis Y, comprising a blade (2) that is rotatably movable about a pivot (20) of radial axis X and comprising an electrical resistor (60)...
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WO/2024/020155A1 |
A turbocharger housing includes a first fluid passage and a second fluid passage. The first fluid passage includes an exhaust gas inlet, a volute, and an exhaust gas outlet. The volute extends from the exhaust gas inlet in a circumferent...
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WO/2024/018988A1 |
This aircraft hybrid motive power source system is installed in an aircraft and comprises: a gas turbine engine (20) that includes a low-pressure shaft (27) and a high-pressure shaft (28) as rotating shafts; a first electric generator (3...
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WO/2024/018218A1 |
There is disclosed a turbine housing (2) for a turbocharger. The turbine housing comprises a flange (4) and a volute 6. The flange (4) has an engagement surface (14) and a first inlet opening (12) in the engagement surface (14). The volu...
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WO/2024/009430A1 |
Provided is a variable nozzle unit including: a first plate-like member including a ring-shaped first plate part; a second plate-like member including a ring-shaped second plate part that forms a gas flow path between the second plate pa...
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WO/2024/007460A1 |
The present invention relates to the technical field of aeroengines, and disclosed is an air-bleed mechanism for a turbine engine, which solves the problem that existing air-bleed mechanisms for turbine engines can hardly meet the requir...
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WO/2024/003475A1 |
The present invention relates to an oil tank (40) for an aircraft turbine engine, comprising: an enclosure (54) capable of containing the oil and having a main axis intended to be oriented vertically in the mounting position; an oil inle...
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WO/2024/003641A1 |
A propulsor fan and drive system having reduced noise emission is disclosed. The propulsor fan includes a blade fan having a plurality of blades. The blades may include a dual pin-root design to secure the blade fan to a hub and a shroud...
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WO/2024/003507A1 |
Disclosed is a turbomachine (10) having an oil-recovery device comprising, between mutually rotatable first and second members (14, 16), a tubular tab (54) of the first member (14) surrounded by a tubular extension (56) of a shroud (42) ...
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WO/2023/247847A1 |
The present invention relates to an oil tank (40) for an aircraft turbomachine, the oil tank comprising: a main chamber (54) suitable for containing oil; an inlet (66) for oil mixed with air; and an oil outlet (72), the invention being c...
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WO/2023/247846A1 |
The invention relates to an oil tank (40) for a turbomachine, the oil tank comprising an oil chamber having a main axis and walls defining a first compartment (56) and a second compartment (58) which is separated from the first compartme...
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WO/2023/248728A1 |
This method comprises: a shaping step in which, while a metal powder is being disposed on a base plate, the metal powder is bonded together and solidified to thereby form an additively manufactured object having inner passages and discha...
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WO/2023/249815A1 |
A thermal power plant comprising: at least ah expander system, an energy-supply fluid, an energy-receiving fluid, and a direct-contact heat and mass exchanger, said exchanger facilitating heat and mass transfer from said energy-supply fl...
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WO/2023/242496A1 |
The invention relates to an assembly for a turbine engine of longitudinal axis (X), comprising: an exhaust cone (40) having an annular wall (44); an exhaust casing arranged upstream of the exhaust cone (40); a connection flange (46) disp...
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WO/2023/237617A1 |
A flange assembly (110) for a turbocharging system (100) is described. The flange assembly comprises a housing component (112) of the turbocharger system (100) having a first flange portion; and an auxiliary component (111) of the turboc...
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WO/2023/237154A1 |
The invention relates to an exhaust gas treatment apparatus (1) for an aircraft engine (2), the exhaust gas treatment apparatus comprising an exhaust gas channel (7), through which an exhaust gas of the aircraft engine (2) can flow, a fi...
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WO/2023/231218A1 |
A turbine guide vane mounting structure, comprising a metal cover plate and CMC turbine guide vanes. The metal cover plate comprises at least one protrusion and at least one inclined surface, and exhaust slots are further formed in the i...
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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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