Abstract: A turbine casing includes a plurality of arc-shaped segments having a flange at each side end to connect to a flange of an adjacent arc-shaped segment. The flange extends outward from an outer surface of each arc-shaped segment and extends along the outer surface in a front-to-rear direction. Each arc-shaped segment has a portion of the outer surface that is co-linear with the flange in a front-to-rear direction that does not include the flange.

Abstract: An airflow shielding device is configured for being secured to fan and includes a first member, a second member, and a plurality of shielding pieces. The first member defines a first through opening. The second member defines a second through opening corresponding to the first through opening. The shielding pieces are rotatably secured between the first member and the second member and rotate between a closed position, where the shielding pieces cover the first through opening, and an open position, where the shielding pieces are located so that air can flow through the first and second through openings.

Abstract: Apparatus and method for propelling a user wearing paragliding equipment are disclosed The apparatus includes at least one thruster for providing thrust in a predetermined direction; and an attachment element for attaching the at least one thruster to a user's body such that the thruster is secured against the front portion of the user's body.

Abstract: The link rod can have a core portion supported inside an annular bypass duct with a bypass air passage extending radially therebetween, the link rod comprising a hot end fitting, a cold end, and an elongated and hollow strut body of composite material and having an aerodynamic cross-sectional shape, the strut body being secured to the hot end fitting and extending between the hot end fitting and the cold end, the hot end fitting having a metal body housing a spherical bearing mountable to the core portion, and the cold end housing a spherical bearing mountable to the bypass duct wall.

Abstract: A fan assembly includes a device for creating an air flow and an air outlet for emitting the air flow. The air outlet is mounted on a stand for conveying the air flow to the air outlet. The fan assembly also includes a tilt mechanism for tilting the air outlet relative to at least part of the stand. The tilt mechanism comprises a flexible hose defining, at least in part, an air passage through the tilt mechanism.

Abstract: A fan unit for a heat exchanger of a vehicle, has a plate-like support structure or shroud which has a main opening defining a passage for a flow of air for ventilation of the heat exchanger, and an electric fan arranged to cause the flow of air. The fan has a drive motor and an impeller connected to the motor. The support structure or shroud has a top side intended to extend at a small distance from a horizontal cross-member of the heat exchanger or the vehicle, so that an interspace is defined between them. This top side of the support structure or shroud has a flexible sealing gasket which has a configuration such that, in the assembled operating condition of the fan unit, the gasket is able to close off the interspace.

Abstract: A pump housing of a rotary pump has a pump chamber in which an impeller can rotate, an intake port, an output port similar to the intake port, the intake and output ports having respective axially oppositely directed flanges centered on a flange axis, and respective unitary projections on the flanges each formed with a respective flat extending parallel to the flange axis. The flats form only two axially spaced mounting points for securing the pump to a support surface extending parallel to the axis.

Abstract: A fan assembly includes a fan and a screen. The fan includes a bracket, and an impeller installed in the bracket. The bracket includes two opposite sidewalls each defining an opening aligning with the impeller. A hollow fixing frame is mounted to an outer surface of one of the sidewalls surrounding four sides of the corresponding opening. The fixing frame includes a receiving portion surrounding three of the four sides of the opening, and a cover detachably connected to distal ends of the receiving portion, to surround the last side of the opening. The screen is received in the fixing frame and aligns with the openings.

Abstract: A fastening apparatus for fastening a fan having two boards includes a bottom plate, four fastening bases, two fastening members, two receiving members, two locking members, and two elastic members. The fastening bases are fastened to the bottom plate. Each fastening base defines a through hole. Each fastening member includes a mounting pole extending through two mounting holes defined in one of the boards and then engaging in the through holes of two of the fastening bases. The receiving members engage with the fastening members. Each locking member is attached to the fastening member and the receiving member. Each locking member includes a fastening pole. The elastic members are sandwiched between the locking members and fastening members to make the fastening poles extend through the receiving members and the two mounting holes of the other board and then engage in the through holes of the remaining fastening bases.

Abstract: A system includes a gas turbine engine, a nozzle structure located adjacent to the gas turbine engine, a flexible annular seal linking the gas turbine engine and the nozzle structure, the flexible annular seal having a plurality of corrugate sections arranged about a centerline, and a connection device secured to the gas turbine engine and to the nozzle structure. The connection device is adjustable to select a length of the flexible annular seal measured along the centerline.

Abstract: A mounting device for mounting a number of fans includes a rack and a number of fixing members. The rack includes a bottom wall and two sidewalls perpendicularly extending up from opposite sides of the rack. Each sidewall defines a number of vents spaced along the lengthwise of the sidewall. Each fixing member includes a board perpendicularly mounted to the bottom wall and positioned at a side of two aligning vents, and a blocking member mounted to the board and slidable along the lengthwise of the sidewalls to block a top of a fan.

Abstract: An intake assembly for a wind-energy conversion system has a substantially vertical converging nozzle, an object extending into the nozzle, and a converging flow passage between the object and the nozzle. For some embodiments, the object may be another nozzle. There may be vanes in one or both nozzles in further embodiments. The object may be configured to move in yet other embodiments.

Abstract: A fuel pump assembly may include a housing and a fuel pump within a fuel pump cavity. The fuel pump may include a motor, a pumping element driven for rotation by the motor, a pump body that maintains the position of the pumping element relative to the motor and the housing, and a flexible seal. The seal may be disposed between the pump body and the housing to provide a fluid tight seal between them. A portion of the seal may be disposed radially outwardly of a distal end of the pump body to radially position the pump body within the fuel pump cavity and a portion of the seal may be disposed axially outwardly of the distal end of the pump body to axially position the pump body within the fuel pump cavity.

Abstract: Asymmetric loading within such machines as gas turbine engines can cause distortion of a casing surrounding a rotating assembly. Such distortion may cause rub and therefore inefficient energy usage and shorter operational life. By providing driver arms 112, 212, 312 which extend from radially extending links 113, 213 in a first or high pressure compressor inner casing 101, 201 to a second outer casing 108, compensation for asymmetric loading can be achieved. The casings 101, 201, 108, 208 are presented upon relatively stable bearing supports 102, 110 and therefore, reaction loads are compensated for in order to retain concentricity of the casing 101, 201.

Abstract: A fan module includes two brackets, a holder, and a fan. Each of the brackets has a first assembling portion. The holder has a U-shape body and an opening, and two of the second assembling portions are respectively disposed at two sides of the U-shape body. The fan is placed into the U-shape body through the opening. The holder is disposed between the brackets, and the first assembling portions of the brackets are assembled to the second assembling portions of the U-shape body. Screws are not required for assembling the fan module of the invention, and therefore material costs of the fan module can be reduced.

Abstract: The invention relates to a casing, particularly of an axial turbomachine compressor. This casing comprises a support of cylindrical overall shape made of composite material, a metal ring fitted by bonding to the internal surface of the support, and a layer of abradable material fitted by plasma spray onto the internal surface of the metal ring. The metal ring is preferably made of stainless steel and is preferably perforated. The perforation allows better keying of the adhesive and allows the degassing thereof. The external surface of the metal ring is preferably sandblasted prior to bonding. Its internal surface is also preferably sandblasted prior to the plasma spraying of the abradable material.

Abstract: Wind turbine systems and methods are provided. The wind turbine system includes a plurality of coaxial, counter-rotating turbine assemblies. First and second shroud assemblies define a generally spherical volume containing the first and second turbine assemblies. The first and second shroud assemblies each include a shroud member that can selectively shield or expose portions of the respective turbine assemblies to the wind by changing the rotational position of the shroud members about the system axis. The turbine assemblies are interconnected to a generator for the production of electrical power.

Abstract: A water pump mounting structure includes a water pump cover and a water pump housing. The water pump housing includes an upper extending portion and a lower extending portion. The upper extending portion includes a first upper fastening portion and a second upper fastening portion. The second upper fastening portion is provided between the first upper fastening portion and a pump driving shaft. The lower extending portion includes a first lower fastening portion and a second lower fastening portion. The second lower fastening portion is provided between the first lower fastening portion and the pump driving shaft.

Abstract: The present invention provides an adaptable fan housing having indentation markings to facilitate the installation of the fan housing. The present invention also provides positioning clips and securing clips allowing to further facilitate the installation of a fan housing of the present invention within a ceiling or a wall. The present invention also has cover clips which allows an easy installation of a cover to be secured to the fan housing.

Abstract: There is provided a wind power installation foundation having a reinforcement comprising a plurality of steel bars and radial steel bars and a lower pylon segment having a plurality of holes in the wall of the pylon segment for receiving the bars or radial bars. In addition there is provided a concrete body which covers the reinforcement and the lower portion of the pylon segment. The foundation has a plurality of holders for holding the bars or radial bars of the reinforcement. The holder has an upper bracket for fixing to the pylon segment and a lower foot for receiving the bars or radial bars of the reinforcement. The length of the holder is adapted to be variable.

Abstract: The present invention provides engine case systems for gas turbine engines. Embodiments of the engine case systems include a plurality of ring cases and a tie-bolt case. The ring cases may house blades and vanes for the compressor and/or for the turbine. The ring cases may be stacked in series, and may be clamped together by a tie-bolt case.

Abstract: A cooling fan module includes a first cooling fan pivotally connected with a second cooling fan. The second cooling fan is rotatable relative to the first cooling fan between a first state and a second state. The second cooling fan is located on the first cooling fan in the first state. The second cooling fan is located at a lateral side of the first cooling fan in the second state.

Abstract: A BOAS assembly for a gas turbine engine with a full annular impingement ring secured in place above BOAS segments between front and aft full retainer rings and the front and aft hooks on the BOAS segments. The full impingement ring uncouples the impingement ring from the BOAS segments and eliminates gaps for cooling air leakage so that all of the cooling air is used for impingement cooling of the BOAS segments. A long tongue extending from the aft retainer rings guides the impingement ring and the BOAS segments into place during assembly.

Abstract: A turbine engine blade outer air seal segment has a body having a base portion. The base portion has a transversely concave ID face, a forward end, an aft end, and first and second circumferential edges. The body has at least one mounting hook. At least one cover plate is secured to the body to define at least one cavity. The cover plate has a plurality of feed holes. A plurality of outlet holes extend through the base portion to the ID face. At least one of the base portion and cover plate comprises a protruding portion protruding into the cavity to form a partial restriction separating forward and aft cavity portions.

Abstract: A control unit, which is integrally mounted on a turbo molecular pump, is provided, in which the control unit can be miniaturized or the manufacturing costs are reduced. An upper casing (12) is fastened on a first mounting member (91) of an external device through a fastening member (61) inserted in a through hole (51) of a flange plate (12a). A first base (14) fastened on the upper casing (12) is fastened on a second mounting member (92) of the external device through a fastening member (63) inserted in a through hole (52) of a flange plate (14b). A control unit (70) is fastened on a second base (15) through a fastening member (65). Since torque produced when a rotor (30) is damaged is not asserted to the fastening member (65), strength of the fastening member (65) and a casing of the control unit (70) is small.

Abstract: A retaining module secures a fan. The bracket receives the fan. The bracket includes a front wall. The front wall defines a vent. A retaining member includes a body, a number of locking portions, and two retaining portions. The body defines an opening to communicate with the vent of bracket. The locking portions extends through the front wall. The retaining portions are engaged with the front wall to attach the retaining member to the bracket.

Abstract: A fan cover includes a base plate, a frame, and a number of ribs. The frame is made of a number of ring-shaped portions with different diameters and concentrically arranged. A number of strip-shaped portions are radially formed among the ring-shaped portions to connect the ring-shaped portions together. The ribs connect the frame to the base plate at an angle. A number of ventilation holes are defined in the frame.

Abstract: A turbine exhaust case comprises inner and outer annular shrouds defining therebetween an annular hot gaspath. A circumferential array of exhaust struts extends across the gaspath. The exhaust struts are mounted at one radial end thereof on a flexible strut mounting structure. The flexible strut mounting structure is radially deflectable relative to the outer and inner shrouds to accommodate thermal expansion of the exhaust struts during engine operation.

Abstract: A fan assembly includes a mounting bracket, a fan mounted on the mounting bracket and a fixing bracket. The fixing bracket includes two sidewalls mounted on two sides of the fan and a connecting wall mounted on a top of the fan. Two first protrusions are located on each side of the fan; two second protrusions adjacent to the two first protrusions are located on each side of the fan; two first slots are defined in each of the two sidewalls corresponding to the first protrusions; a plurality of second slots are defined in the connecting wall corresponding to the second protrusions; the first protrusions are engaged with the first slots; the second protrusions are engaged with the second slots; and one of the two sidewalls is mounted to the mounting bracket to fix the fan and the fixing bracket on the mounting bracket.

Abstract: A mounting device includes a base board, two parallel fixing plates extending up from the base board, and a frame for receiving a fan. The fixing plates each define a first vent. Two clamping pieces extend from each fixing plate at opposite sides of the vent toward the other fixing plate. The frame is sandwiched between the clamping pieces and the fixing plates. The frame includes two sidewalls and two end walls. A blocking piece extends up from each sidewall to block the top of the fan.

Abstract: A centerline suspension arrangement (42) for a turbine (40). A turbine inner casing (44) is supported within an outer casing (46) via a support member (60) that includes an inner portion (62) contacting the inner casing and an outer portion (66) extending into a slot (68) formed in the outer casing. The support member is slid into an axially oriented slot (64) formed in the inner casing and is body bound therein with respect to radial movements, with the support member and the inner casing slot including opposed vertical support surfaces (82, 90) and a pair of oppositely facing opposed horizontal support surfaces (80, 88 and 86, 92). Thus, dead weight and operating loads from the inner casing are reacted through the support member and into the outer casing without the necessity for any bolting or other fastener attachment in the design load path between the support member and the inner casing.

Abstract: Provided is a fan unit that includes: a plurality of fans (3) arrayed in a direction intersecting an air blowing direction; printed circuit board (4) to which the plurality of fans (3) are electrically connected; chassis (5) having back portion (5a) with which surfaces (3a) of the plurality of fans (3) orthogonal to the air blowing direction are engaged and bottom portion (5b) supporting the plurality of fans (3), in which printed circuit board (4) is disposed; and bracket (6) having fixing portion (6c) fixed to bottom portion (5b) of chassis (5) by screws and configured to sandwich the plurality of fans (3) engaged with back portion (5a) of chassis (5) in cooperation with back portion (5a).

Abstract: A fan holder for mounting a fan includes a casing for receiving the fan and a board. The casing includes a bottom wall, two sidewalls perpendicularly extending up from opposite sides of the bottom wall and an end wall perpendicularly connected between ends of the sidewalls. The sidewalls each define a number of one-to-one slots parallel to the end wall and corresponding to the plurality of one-to-one first slots of the other sidewall. The board is selectively engaged in two corresponding one-to-one slots of both of the sidewalls, to sandwich the fan together with the end wall.

Abstract: A fan module includes a bracket, a mounting plate, and a fan fixed to the mounting plate. A first side of the mounting plate is pivotably attached to the bracket. A second side of the mounting plate can be fixed to different positions on the bracket.

Abstract: A pressure vessel including a lid, wherein the lid is fixed to a corresponding lid receptacle, wherein the lid has a first bearing surface that extends in the circumferential direction and interacts in a sealing manner with a second bearing surface on the pressure vessel, wherein fixing elements are provided for fixing the lid to the pressure vessel. The fixing elements are wedge-shaped, rest on an abutment surface of the pressure vessel and on a contact surface of the lid such that, when the fixing element is moved in a direction that causes a wider section of the wedge shape to be located between the abutment surface and the contact surface, the bearing surfaces are brought closer together or braced against each other.

Abstract: An anti-fret assembly for a turbine engine, the assembly comprising an elongated liner having first and second walls connected by a base to provide a generally U-shaped channel, the liner having an outer surface adapted to lie against a first component and an inner surface adapted to lie against a second component at least the first wall being provided with a notch for receipt of an anti-translation pin, the assembly further comprising an anti-translation pin.

Abstract: A bypass turbojet engine including an outer fan duct and an inner fan duct (IFD), between which the secondary flow passes, and a high pressure compressor having an outer casing is disclosed. The IFD is fastened on the outer casing.

Abstract: A fan inlet diffuser housing system includes an air cycle machine, a housing coupled to the air cycle machine, an inlet fan disposed on the air cycle machine and configured to pass inlet air into the fan inlet diffuser housing, a center tube disposed in the housing, a diffuser cone disposed around the center tube, an inboard strut supporting the inner tube within the diffuser cone, and an outboard strut supporting the inner tube within the diffuser cone, the outboard strut being integral with the diffuser cone, wherein the inboard strut is coupled to the inner tube with a first plurality of mechanical fasteners, and the outboard strut is coupled to the inner tube with a second plurality of mechanical fasteners.

Abstract: A nacelle shell structure which is attachable to a main structure of a wind turbine is described. The nacelle shell structure is attachable to the main structure such that the nacelle shell structure is carried by the main structure at only three static points. Moreover, a nacelle shell structure is provided which is attachable to a main structure of a wind turbine. The nacelle shell structure includes interconnected shell sub-structures. Furthermore, a lock-labyrinth for positioning between a rotating part with a rotation axis and stationary part of a wind turbine is disclosed, which includes a shield structure and a support structure, the shield structure being located radially outward of the support structure and protruding the support structure in axial direction. The shield structure includes a nose protruding radially inward and being located at an axial position where the support structure fauns a water-tight channel which opens towards the nose.

Abstract: A pedestal for a fan assembly includes a telescopic duct for conveying an air flow to an outlet of the fan assembly. The duct includes an outer tubular member having a first stop member, an inner tubular member located at least partially within and slidable relative to the outer tubular member, the inner tubular member having a second stop member for engaging the first stop member to inhibit withdrawal of the inner tubular member from the outer tubular member, and a mainspring rotatably mounted on the second stop member, the mainspring having a free end retained by the first stop member.

Abstract: A blower apparatus comprises a box-like main frame provided with a main-frame inlet port and a main-frame outlet port in positions confronting each other, and a plurality of centrifugal blower units for suctioning through a blower inlet port air taken inside of the main frame from the main-frame inlet port and discharging the air from a blower air outlet toward the main-frame outlet port. The main frame is provided with a maintenance opening in one of the surfaces other than the surfaces having the main-frame inlet port and the main-frame outlet port for the purpose of checking the inside of the main frame, and the plurality of centrifugal blower units are disposed one another in a direction toward the maintenance opening so that a difference in discharging spatial distances from the blower air outlets of the adjoining centrifugal blower units to the main-frame outlet port is equal to or greater than an outer diameter of an impeller of the centrifugal blower unit located nearest to the maintenance opening.

Abstract: A single shell extraction casing includes a stepped shell which is formed from a plurality of circumferentially shaped ledge rings located along the axial length of the casing between turbine stages and covered by a casing wrapper. The stepped shell has a simpler construction than the double shell configuration of a conventional turbine extraction casing. Pockets for supporting diaphragms between the multiple stages in the stepped single shell extraction casing are connected directly between ledge rings so they are away from the casing wrapper. This decreases the amount of welding and manufacturing complexity needed to install the diaphragm support pockets.

Abstract: An arrangement is disclosed in which deflections and mechanical stresses in turbine low pressure casings are controlled by inserting struts between the turbine diaphragm ledge ring stages. Preferably, the struts are cylindrical in shape, although other different shapes can be used in accordance with the needs of different applications. The struts can be solid or hollow in construction, although preferably they are hollow to reduce the material needed to fabricate them. The struts are located around the turbine casing, as is required to connect together two ledge rings where there is high axial deflection in the casing.

Abstract: A fan assembly for creating an air current includes an air inlet, an air outlet, an impeller and a motor for rotating the impeller to create an air flow passing from the air inlet to the air outlet. The air outlet includes an interior passage for receiving the air flow and a mouth for emitting the air flow. The air outlet defines an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth. The motor has a rotor which, in use, is capable of rotating at a speed of at least 5,000 rpm.

Abstract: A support arrangement for an exhaust hood. The inner casing in the inventive arrangement is supported directly by the curb foundation. As a result, the effect of pressure changes in the exhaust hood are eliminated and the effect of temperature changes of the exhaust hood are reduced relative to the positioning of the inner casing and the rotor within it. Shaft bearings may be outside the exhaust hood located in a standard directly on the foundation. Rotor end packing may also be attached to the standard. The exhaust hood can be a much simpler design with less structural supports and less fabrication time. Easier maintenance is facilitated because the shaft bearings are not tucked under the exhaust hood and the end packing can be removed without removal of a large section of the exhaust hood.

Abstract: A turbine stage in a turbomachine including ring sectors arranged about a turbine impeller, and an annular support supporting the ring sectors and attached to a turbine casing is disclosed. The annular support is able to be deformed elastically in the radial direction to cushion at least a portion of the deformations of the turbine casing in operation.

Abstract: An extraction unit for a steam turbine includes an end plate mounted downstream of a selected stage of a steam turbine, the end plate sealing the selected stage from the atmosphere, and an extraction pipe passing through the end plate for extracting steam from the selected stage.

Abstract: A modular fan array is provided that is configured for use in an air-handling system and configured to deliver air to a ventilation system for at least a portion of a building. The modular fan array comprises a plurality of modular units configured to be stacked adjacent to one another in at least one row or column to form an array. The modular units each include at least an interior surface, a front end and a back end that define a chamber. The modular fan array includes motors and fans positioned in the chambers of the modular units. The fans are located proximate to the front ends of the corresponding chambers. The fans direct air to discharge from the back ends of the chambers. Sound attenuation layers extend along at least a portion of the interior surface of the chambers. The sound attenuation layers are positioned between at least some of the adjacent chambers.

Abstract: An annular vane assembly for a gas turbine engine is provided. The assembly includes a vane segment, the vane segment includes an arcuate rail and a vane that extends radially inwardly from the arcuate rail. The assembly also includes a hollow cylindrical casing, the inside curved surface of which an annular groove is formed that receives the arcuate rail. The arcuate rail is secured in the annular groove using a resilient strip interposed between the rail and the groove. The resilient strip includes a planar main body and sprung wings that extend to either side of the main body. The wings are angled with respect to the plane of the main body. The resilient strip is moveable circumferentially between a first position in which the strip exerts a force radially on the arcuate rail and a second position in which the wings occupy recesses in the assembly.

Abstract: A cooling fan assembly includes a fan with a frame, two fixing members arranged at two opposite lateral sides of the frame, and a plurality of fixing poles detachably interconnecting the frame with the base portions of the two fixing members. The two fixing members each include a base portion and a handling portion extending from a top of the base portion. The handling portions extend upwardly and inclined toward each other along a direction away from the base portions. One end of the fixing pole penetrates through and is fixed on the frame, and the other end of the fixing pole is gripped by the base portion.