F01D25/265

SEALING MECHANISM

A sealing mechanism including a first seal member, a second seal member arranged so as to face the first seal member, and a deformed nucleus member arranged in a space formed at least partially between the first seal member and the second seal member, and becoming a nucleus of deformation in the sealing mechanism. The deformed nucleus member is configured by a combination of rod-like members and plate-like members respectively formed from a plurality of materials having different linear expansion coefficients, and is fixed to each of the first seal member and the seal member. The deformed nucleus member contracts in at least one direction on a cross-section of the seal groove, along with an increase in temperature of the deformed nucleus member. The first seal member and the second seal member respectively have abutment surfaces abutting on an inner surface of the seal groove or the facing surfaces.

Bolt fastening structure and turbo-machine using same

A bolt fastening structure has an upper flange and a lower flange of a casing to which inner pressure is applied, the upper flange and the lower flange defining an abutting interface therebetween; a bolt hole formed through the abutting interface; and a counterbored portion formed asymmetric about a bolt hole center. The abutting interface includes a first region extending from a bolt hole inner side edge to an upper and lower flanges inner edge and being a region where the upper flange and the lower flange are in surface-to-surface contact with each other; and a partial contact region extending from a bolt hole outer side edge to an upper and lower flanges outer edge and being a region where the upper flange and the lower flange are partially in surface-to-surface contact with each other. In the partial contact region, the upper flange and the lower flange are in surface-to-surface contact with each other in a second region, and the first region is larger than the second region.

Hinge assembly
11267578 · 2022-03-08 · ·

A hinge assembly may include a support structure and a panel hingedly coupled to the support structure via at least one hinge of a plurality of hinges. The plurality of hinges may include a first hinge having a first rotational axis, a second hinge having a second rotational, and a third hinge having a third rotational axis. The second rotational axis may be collinear and aligned with the third rotational axis such that the second hinge and the third hinge have a shared concentric axis. The first rotational axis may be eccentric to the shared concentric axis. The hinge assembly may be implemented in a nacelle to improve the aerodynamics of the interfaces between the fan cowl and adjacent structure.

Assembly or Disassembly Method for Steam Turbine Casing
20220065134 · 2022-03-03 ·

An assembly or disassembly method for a casing of a steam turbine in which an inner casing is installed in an outer casing, and the inner casing and the outer casing are fixed at a fixing position, wherein when the inner casing is assembled or disassembled in a state where the fixing position and a gravity center of the inner casing are at different positions in an axial direction of the inner casing, a tilt adjusting jig is interposed between the outer casing and the inner casing so that the assembly or disassembly of the casing is performed while maintaining a tilt of the inner casing with the tilt adjusting jig.

Movement-limiting device for a turbine engine and associated method

A movement- and/or load transfer-limiting device for a turbine engine, comprises a first fitting including a retention member, with the first fitting being engaged with a fancase surrounding a turbine engine fan blade system. A second fitting is engaged with a fancowl disposed radially outward of the fancase. The second fitting includes a constraint member arranged to be received by the retention member. The retention member is arranged to limit radially outward movement of the fancowl via engagement with the constraint member. The constraint member comprises at least one of (i) a hook member arranged to limit radially inward movement of the first fitting in relation to the fancowl or (ii) a laterally-extending shaft having opposed ends and a flange engaged with at least one of the ends, arranged to limit lateral movement of the retention member in relation to the first fitting. Associated devices and methods are also provided.

IMPROVED AIR-SEALING DEVICE INTENDED TO BE INSERTED BETWEEN AN AIRCRAFT DUAL-FLOW TURBINE ENGINE CASING ELEMENT, AND A NACELLE ELEMENT

An air-sealing device intended to be inserted between an aircraft dual-flow turbine engine casing element and a nacelle element, the sealing device including an attachment tab at the end of which is located a sealing portion having an outer surface intended to be contacted by the casing element and the nacelle element, and an inner surface defining a cavity. The inner surface defines at least one protuberance extending inside the cavity.

Mechanism for indicating position of a latch mechanism for an aircraft nacelle

An aircraft nacelle is disclosed and includes a first fan cowl and a second fan cowl. An opening is defined in an exterior surface of the first fan cowl. The aircraft nacelle also includes a blade, a latch mechanism, an arm, and a linkage assembly operably connecting the arm to the blade. The blade is moveable along between a stowed position and a deployed position. The latch mechanism is moveable between a latched position an unlatched position where a portion of the latch mechanism obstructs a path of movement of the blade. The arm is unable to move from an extended position where a portion of the arm extends through the opening in the exterior surface of the aircraft nacelle into a retracted position within an interior volume of the aircraft nacelle when the blade is in the deployed position and the latch mechanism is in the unlatched position.

Compressor

A compressor 1 includes a base 10 that is fixed on a foundation F and supports a compressor main body 20 from below in a vertical direction Dv, and a connecting part that detachably connects the compressor main body 20 and the base 10 to each other. The compressor main body 20 includes a suction-side protruding pipe 28A and a discharge-side protruding pipe 28B that communicate between an inside and an outside of a casing 21 and protrude outward from an outer peripheral surface of the casing 21. The base 10 includes a support base 11 having a support surface 11f for supporting a lower part of the casing 21, and a suction port 12 that extends downward from the support base 11 in the vertical direction Dv and has a through-hole into which the suction-side protruding pipe 28A is inserted.

TURBINE HOUSING FOR A TWO WHEEL AIR CYCLE MACHINE
20210309372 · 2021-10-07 ·

A turbine housing for a two-wheel air cycle machine includes a first side of the turbine housing, a second side of the turbine housing, a central axis, an outer housing portion, an inner housing portion, a plurality of struts between the inner housing portion and the outer housing portion and a plurality of cooling slots between the plurality of supports. The outer housing portion includes an inner surface, an outer surface, a cooling inlet extending from the outer surface of the outer housing portion and a cooling outlet opposite the cooling inlet and extending from the outer surface of the outer housing portion. The inner housing portion includes a thrust bearing support surface substantially parallel to the second side of the turbine housing and a journal bearing bore extending between the first side of the turbine housing and the thrust bearing support surface.

Modular system for a room, for a living, work or storage area, or for other three-dimensional spaces
11135962 · 2021-10-05 · ·

A modular flooring system comprises a modular floor surface and a plurality of stackable, three-dimensional modular interior design components (MIDCs). The modular floor surface can comprise an array of discrete, raised, low-profile, receiving panels that can be rectangular in shape. MIDCs can be securely and interchangeably placed on any group of one or more adjacent unoccupied receiving panel and they can also be stackable, such that various different floor layouts can be created. Each of the MIDCs may comprise a lower surface recess that fits over a group of one or more adjacent raised receiving panels. A first MIDC may have an raised lip on a top surface such that the lower surface recess of a second MIDC fits over, separately and interchangeably, one (or more) of the raised receiving panels and the raised lip on the top surface of the first MIDC. The MIDCs can comprise a storage cube MIDC (square or rectangular cube) as well as specialized MIDCs, such as a commode MIDC, a sink MIDC, a cooler MIDC, and a tile MIDC, etc. In such a manner, a user of the modular flooring system could locate the MIDCs on the floor surface and/or stack them to configure a preferred layout. Moreover, the MIDCs could be rearranged later to design a new layout.