Abstract: A library device includes: a first robot configured to transport a storage medium stored in a storage rack; and a second robot configured to transport a storage medium stored in the storage rack; and wherein the first robot and the second robot each include: a hand device; a transportation body including a slot to store the storage medium; a rotation device configured to rotate the transportation body between a first orientation in which an opening of the slot faces the hand device of at least one of the first robot and the second robot and a second orientation in which the opening of the slot faces the hand device of the other one of the first robot and the second robot; and a switch device configured to control the rotation device.

Abstract: An automatic system for replenishing display shelves in retail businesses. The display shelves each including a shelf board having a conveyor belt circulating around the respective shelf board. Each of the display shelves further including a stop bar and a removable fall-off guard at respective front and rear sides of the display shelves to prevent goods from falling off the display shelves and, wherein, the display shelf is designed to cooperate with a shelf-stocking vehicle such that the fall-off guard is automatically opened when the display shelves are refilled by the shelf-stocking vehicle.

Abstract: The present invention relates to an improved device and method for removing grain or other particulate matter from a grain bin. The invention comprises a sweeping arm having inlets, a joint, and a vacuum tube in operational communication with the sweeping arm. The sweeping arm is passed around the circumference of the grain bin around the joint, so that the particulate matter can be collected by way of the inlets in the sweeping arm and the vacuum. A handcart may be used to propel the arm around the joint. The inlets are of adjustable size.

Abstract: The present disclosure provides a waste-material bucket, including a bucket body, a base, and a locker. The bucket body includes a supporting portion respectively having an arch-shaped surface located at a front side of the bucket body, and a gravity of the bucket body is deviated to the front side of the bucket body. The base forms a guiding track for supporting the supporting portion. The locker is located at a rear side of the bucket body for locking the bucket body. The locker is unlocked to incline the bucket body forward along the at least one guiding track due to the own gravity of the bucket, which dumps the waste material conveniently in the bucket body without using the forklift. Additionally, damage of the waste-material bucket and safety threaten to the operator can be avoided since the waste-material bucket is not turned over by the forklift.

Abstract: A work vehicle including a hydraulic circuit having a cooled return line with a cooler, a bypass return line that bypasses the cooler on the cooled return line, and a controller that electronically controls the flow of hydraulic fluid between the cooled return line and the bypass return line.

Abstract: A boom structure on a work machine includes at least two boom branches and a main boom structure extending from their convergence area substantially in a working direction. Thus, the boom structure provides a fork-like structure.

Abstract: An apparatus for flipping a semiconductor device comprises a platform comprising a carrier and a roller system, a positioning unit above the platform and comprising a circular opening, and an elevating unit connecting the platform and the positioning unit.

Abstract: A stacking device which stacks together web members which drop down while drawing a parabolic arc, this is provided with a horizontal movement limit part which limits movement of web members in a horizontal direction, a temporary supporting unit which can take a projecting position where it projects from the horizontal movement limit part and a retracted position where it is pulled in from the projecting position and does not stick out from the horizontal movement limit part, and a receiving table which is positioned under the temporary supporting means at the projecting position and stacks the web members. The temporary supporting unit temporarily supports a web member at the projecting position and, after that, shifts to the retracted position to make the web member drop under the temporary supporting unit, so that the stacking device stacks the web members on the receiving table.

Abstract: A control arrangement and method for controlling the transfer of agricultural crop from a harvesting machine to a transport vehicle comprises a loading container. The control arrangement is able to be operated to automatically deposit the crop during the harvesting mode successively at different points in the loading container, following a predetermined loading strategy, by means of a discharging device of the harvesting machine, where the loading strategy may be changed and/or a choice may be made between different loading strategies.

Abstract: A device for handling reels includes a telescoping assembly with a first fork sleeve and a second fork sleeve attached to the telescoping assembly so that a position of the first fork sleeve may be adjusted with respect to a position of the second fork sleeve. A first reel lifter fitting and a second reel lifter fitting are attached to the telescoping assembly so that a position of the first reel lifter fitting may be adjusted with respect to a position of the second reel lifter fitting. A first reel lifter arm having a first hook portion and a second reel lifter arm having a second hook portion are slidingly received within the first and second reel lifter fittings.

Abstract: A power-producing device, such as a ram air turbine, includes a controller that is used to control operation of a turbine of the power-producing device. The controller uses an input based on an airspeed of the aircraft as part of a control mechanism in the controller for controlling the turbine. For example controller may be used to control backpressure of the turbine, for example by controlling the angle of doors of that are used to adjust backpressure of the turbine. The control mechanism may include a PID controller, with the gain of one or more of the values of the PID controller being a function of the airspeed of the aircraft. In addition the control mechanism may include manipulating a setpoint as a function of load on the power-producing device. The power-producing device may be part of a detachable pod that is installed on the aircraft.

Abstract: The disclosure relates to a turbo-machine comprising a stator and a rotor arranged rotatable inside the stator as well as at least one electric heating device which is arranged on the surface of at least part of the stator for active clearance control. Besides the turbo-machine, a method for operating the active clearance control comprising electric heating devices is disclosed.

Abstract: A gas turbine engine includes a fan section including a fan that is rotatable about an axis. A speed reduction device is connected to the fan. The speed reduction device includes a star drive gear system with a star gear ratio of at least 1.5. A bypass ratio is greater than about 11.0.

Abstract: A turbomachine with a rotary shaft supporting a turbine wheel is supported for rotation in a housing. The shaft extends through a bore in the housing and a bearing assembly being disposed in the bore. At least one end of the shaft has a primary seal and a secondary seal. The primary seal comprises a non-contact seal defined by an annular clearance between a first non-rotating seal element and a second seal element that rotates with the shaft. The primary seal is arranged to receive lubricating oil from the bearing assembly. An oil slinging feature is provided between the primary and secondary seals.

Abstract: An exhaust-gas turbocharger (1) having a turbine housing (2) which has a turbine inlet (3) and a turbine outlet (4) and which connects a wastegate duct (5) between the turbine housing inlet (3) and the turbine housing outlet (4), which wastegate duct can be opened and closed via a shut-off element (6). The shut-off element is in the form of a piston (6) which is guided in a longitudinally displaceable manner in an interior space (14) of a guide (7), and the wastegate duct (5) opens into the interior space (14) transversely with respect to the longitudinal central line (L) of the guide (7).

Abstract: An internally coolable component for a gas turbine with at least one cooling duct, on the inner surface of which swirl elements are arranged in the form of turbulators which extend transversely with respect to the main flow direction of a coolant is provided. In order to reduce pressure losses for the coolant in the cooling duct, pins with different heights are set up between the turbulators.

Abstract: A fan module including a first fan, a second fan and a actuator is provided. The first fan has a first pivot portion and a plurality of first fan blades. Each first fan blade has a first blade face. The second fan has a second pivot portion and a plurality of second fan blades corresponding to the first fan blades. Each second fan blade has a second blade face. The second pivot portion is slidably disposed at a containing cavity of the first pivot portion. The actuator is adapted to drive the first fan to rotate. The first fan is adapted to drive the second fan to rotate. When the second pivot portion protrudes out of the containing cavity, a part of each of the second blade faces does not overlap with the corresponding first blade face along a direction perpendicular to the corresponding first blade face.

Abstract: The disclosure includes a sealing assembly for a turbine system. In one embodiment, the sealing assembly is for a turbine having a rotor blade and a stator nozzle. The sealing assembly includes a pair of oppositely facing seal teeth including concave surfaces. The pair of oppositely facing seal teeth are positioned on one of the rotor blade and the stator nozzle, and are for sealingly engaging the other of the rotor blade and the stator nozzle during operation of the turbine.

Abstract: A bearing housing (1) of an exhaust-gas turbocharger (2) having an oil inlet (3) which is connected to a connecting region (4) of an oil supply line (5), The connecting region (4) of the oil supply line (5) is in the form of a siphon (6).

Abstract: A turbine engine including a casing, a turbine engine shaft extending axially, a guide bearing for guiding the turbine engine shaft in the casing, the guide bearing including an inner circumferential ring rigidly connected to the turbine engine shaft, an outer circumferential ring fitted in a housing of the casing, and gripping rolling members, and a damping cavity configured to receive a damping fluid to form a damping fluid film for damping the guide bearing, the cavity being delimited radially between an outer surface of the outer ring and an inner surface of the housing. The outer surface of the outer ring and the inner surface of the housing are conical surfaces.

Abstract: A wall of a component of a gas turbine engine includes first and second wall surfaces, an inlet located at the first wall surface, an outlet located at the second surface, a metering section commencing at the inlet and extending downstream from the inlet, and a diffusing section extending from the metering section and terminating at the outlet. The diffusing section includes a leading edge formed at an upstream end of the outlet, a trailing edge formed at a downstream end of the outlet, a body region upstream of the trailing edge, and a plurality of crenellation features located on the body region.

Abstract: An impeller pump has a pump casing including a pump chamber and an inlet and an outlet thereon and an impeller therein, and including a heating device for heating the conveyed medium, which heating device forms an external wall of the pump chamber. The pump chamber extends annularly around the impeller and away from the pump chamber floor, wherein the outlet leads off on a region of the pump chamber which, viewed in the axial direction of the impeller pump, is pointing away from the pump chamber floor. The cross-sectional area of the pump chamber decreases in the axial direction of the longitudinal center axis of the impeller pump away from the pump chamber floor toward the outlet by virtue of an obliquely inwardly inclined external wall.

Abstract: A locking device is provided for a cooling fan assembly. The assembly includes a central hub. A plurality of blades are operatively connected to and configured to selectively rotate around the central hub. A blade ring is fixedly connected to respective outermost radial portions of the plurality of blades. The blade ring may be annularly-shaped and defines at least one blade ring slot. The locking device is configured to selectively prevent the plurality of blades from rotating. The locking device includes a movable member and an actuation device for moving the movable member. The movable member is slidable relative to the blade ring between two positions, an unlocked position that substantially permits the plurality of blades to rotate and a locked position that substantially prevents the plurality of blades from rotating.

Abstract: A component, for example an aerofoil vane or other gas path structure in a gas turbine machine such as a gas turbine engine, in which an insulated electrical conductor path is embedded structurally integrally, and in which electromagnetic shielding, for the embedded electrical conductor path is provided structurally integrally.

Abstract: A plate closes the main part of a vane in two parts. An internal cavity is closed by the plate. Around a bearing surface of the plate, a groove receives an elastic seal, and the outer edge of the plate extends over the groove to compress the seal and to establish excellent leak proofing. The position of the plate may be guaranteed by centring pins penetrating into holes adjacent to the seal and which it fills when the pins have been removed, which completes the closing of the cavity. The plate has application in particular to stationary gas guide vanes in turbine engines.

Abstract: A stator vane assembly for a gas turbine engine is disclosed and includes a plurality of vanes received within channels defined within a case. An anti-rotation plate extends from a flange of the case between adjacent ones of the plurality of vanes for preventing rotation of the plurality of vanes relative to the case.

Abstract: A lifting fixture assembly adapted for shipping and/or lifting includes a lower turbine casing having two horizontal joint flanges adapted to engage mating flanges on an upper-turbine casing. The horizontal joint flanges are provided with plural bolt holes used for securing the upper turbine casing to the lower turbine casing. A plurality of cross-beams extend transversely across the lower turbine casing, removably secured to said horizontal joint flanges, using selected ones of the existing bolt holes.

Abstract: A propeller rotor has a hub mounting a plurality of blades. A counterweight is movably mounted on the blade. A pitch change mechanism for changing an angle of incidence of an airfoil is associated with each of the blades. The counterweight twists the blades toward an increased pitch direction should the pitch change mechanism fail. A stop member stops rotation of the counterweight as the blade moves to a feather position.

Abstract: A method for optimizing the operation of a wind turbine having a rotor with at least one rotor blade, a tower, and a wind turbine controller, comprises determining a first load status of the wind turbine based on metereological data acquired by sensors, including a turbulence intensity; determining a second load status of the wind turbine based on mechanical loads on at least one wind turbine component; and increasing a load of the wind turbine, if the determined first and second load status of the turbine are within selectable load limits. A wind turbine implementing the method is also disclosed.

Abstract: Apparatus for manipulating a wind turbine blade and method of blade handling An apparatus for manipulating a wind turbine blade having fixed lifting points (2) on the blade has a blade turner base (36,62,82,100), a frame like support structure (34,64,84,112) carried on the base and connecting structures such as brackets (32,138) which engage in the lifting points (2) on the blade extending into openings in the blade, the support structure (34,64,84,112) having a part-circular portion or periphery at which it connects to the base, being movably supported on the base so as to rotate relative thereto about a substantially horizontal axis in order to vary the orientation of a blade supported thereon.

Abstract: There is provided a wind power generation apparatus capable of suppressing power consumption in an airflow generation device, and securely suppressing flow separation on a blade surface, thereby improving efficiency. A wind power generation apparatus 10 of an embodiment has wind turbine blades 32 each having, in a chord length direction, a base blade 51 fixed to a rotation shaft and a front divided blade 50 fixed in a pivotally adjustable manner, a first electrode 41 and a second electrode 43 which are disposed separately via a dielectric 42 on a blade surface of at least one of the base blade 51 and the front divided blade 50, and a discharge power supply 61 capable of applying voltage between the first electrode 41 and the second electrode 43.

Abstract: The present invention relates to an acoustic noise monitoring system for a wind turbine, comprising: a microphone for monitoring acoustic noise, the microphone adapted to be mounted to the exterior of a wind turbine nacelle; an input, the input adapted to receive operating conditions data from a wind turbine; a processor, the processor adapted to receive data from the microphone and the input; and storage memory, adapted to store the acoustic noise data and the operating conditions data. The processor is adapted to apply a transfer function to said acoustic noise data to correlate said data with a set of acoustic noise data measured at a remote location from the wind turbine. The system may comprise a controller adapted to generate a control signal, for outputting to a wind turbine controller, for adjusting the operating parameters of the wind analyser turbine in dependence on said correlated data.

Abstract: A swing fan structure includes a main body and multiple blades. The main body has an upper face and a lower face. The main body also has a long side and a short side. The blades are side by side disposed on the upper face of the main body in parallel to each other. The blades define therebetween a flow way. The blades are drivable by the main body to reciprocally move along the long side to create an air volume. The swing fan structure has a greatly minified volume. Also, the swing fan structure overcomes the shortcoming of unstable operation of the conventional fan caused by deflection of the blades in rotation.

Abstract: An offshore wind turbine generator comprises an elongated, buoyant tower, having an internal service tube, the service tube extending from the lower end of the tower to above the waterline when in use, a connection arrangement comprising an upper connection assembly, and a lower connection assembly. An intermediate tension/torsion leg is arranged between the upper and lower connection assemblies. The connection assembly is adapted for lowering and raising within the service tube.

Abstract: A radial pump for water has a drive motor, a pump chamber and an impeller revolving in the pump chamber. The impeller has a plurality of impeller blades which are designed, at least in regions, to be elastic and have a fixed mounting arranged in a region located near the impeller axis of rotation. They can bend elastically radially outward from this fixed mounting counter to a spring force.

Abstract: A hydraulic system for controlling orientation of fan blades in a turbine engine including at least one set of adjustable pitch fan blades actuated by actuators that are connected to a hydraulic pump, and a small pitch protection valve controlled by an associated solenoid valve to make it possible on the ground, when the orientation of the blades is substantially perpendicular to the axis of the turbine engine, to pass from a first operating zone in which a speed of pitch variation of the blades is low to a second operating zone in which a speed of pitch variation is considerably higher, wherein operating pressure of the hydraulic pump is controlled by the solenoid valve controlling the small pitch protection valve to define two outlet levels corresponding to the two operating zones.

Abstract: A direct driven wind turbine with a plain bearing and a service method for this bearing is provided. A rotor is directly connected with a rotatable drive train, which is directly connected with a rotor of an electrical generator. The rotatable drive train is connected with a stationary part via at least one bearing, which allows the rotation of the drive train in relation to the stationary part. The generator provides a support structure to which the stationary side of the at least one bearing is mounted. The at least one bearing is a plain bearing and the plain bearing comprises a wear-and-tear-part, which is an object to be exchanged. The rotatable drive train is prepared to be fastened to the stationary part and at least one wear-and-tear-part of the plain bearing is exchangeable while the rotatable drive train is fastened to the stationary part.

Abstract: A lubrication system is disclosed for a bearing assembly, the bearing assembly having at least one bearing. The lubrication system may comprise a pump circuit, an injection circuit, an extraction circuit and at least one three-way valve. The pump circuit may comprise at least a pump. The injection circuit may provide lubricant to the bearing during an injection mode of operation. The extraction circuit may extract lubricant from the bearing during an extraction mode of operation. A flow combination topology of the first three-way valve may allow operation of the lubrication system in the injection mode or in the extraction mode or in both modes simultaneously.

Abstract: A direct driven wind turbine and the main bearing used in such a wind turbine is provided. The rotating drive train is connected with a stationary part of the wind turbine via at least one bearing, which allows the rotation of the drive train in relation to the stationary part. The at least one bearing is a plain bearing; the bearing comprises at least one cylindrical sliding surface constructed to support radial loads present in the drive train. The bearing comprises at least two radial bearing surfaces constructed to support axial loads and bending moments present in the drive train. The surface areas of the radial bearing surfaces is dimensioned proportional to a predetermined maximum total load of the bending moments expected in the drive train.

Abstract: A rotor disk comprises a plurality of circumferentially distributed hooks, the set of hooks defining an annular groove adapted to cooperate with at least two flange sectors. At least one of the hooks comprises a second element through which a recess is formed which opens up at each of the transverse flanks of the second element and at the internal peripheral surface of the second element.

Abstract: Coupling apparatuses and methods of forming coupling apparatuses are provided herein. In an embodiment, a coupling apparatus includes a first component that includes a first metal substrate and a second component that includes a second metal substrate. The first metal substrate includes a titanium-based material. The second component is adapted to contact the first component in shear engagement. A protective coating is disposed on at least one of the first metal substrate or the second metal substrate. The protective coating consists of a first contact layer and, optionally, a diffusion barrier layer disposed between the first contact layer and the corresponding metal substrate. The first contact layer has a thickness of less than or equal to about 5 microns and includes material that is inert to titanium. The first contact layer has a contact surface that is adapted to directly contact an opposing surface in shear engagement.

Abstract: A method of establishing a boundary for a material improvement process on a workpiece is disclosed. The method may include identifying a maximum allowable damage depth on the workpiece; identifying a maximum constant thickness line on the workpiece at an extent of the maximum allowable damage depth; identifying a peak vibratory stress gradient on the workpiece; identifying a peak combined engine stress on the workpiece; and specifying the boundary for the material improvement process on the workpiece relative to the maximum constant thickness line, peak vibratory stress gradient, and peak combined engine stress.

Abstract: An impeller (10) where each of the blades (34) includes a first part (14) which is positioned at a base end side of the hub (5) and a second part (24) which is positioned at a distal end side of the hub, the first part being formed by connecting a first hub surface curve (12) which extends along a hub surface of the hub and a first shroud surface curve (11) which extends along a shroud surface of the blade by a first group of lines (13), and the second part is formed by connecting a second hub surface curve (22) which extends along a hub surface of the hub and connects with the first hub surface curve and a second shroud surface curve (21) which extends along the shroud surface and connects with the first shroud surface curve by a second group of lines (23).

Abstract: Provided is a rotor blade that may include a first layer having first plurality of fibers oriented at first angle of about 10 to 30 degrees relative to a long axis of the rotor blade, a second plurality of fibers oriented at a second angle of about 60 to 75 degrees relative to the first plurality of fibers, and a third plurality of fibers oriented at a third angle of about ?60 to about ?75 degrees relative to the second plurality of fibers.

Abstract: A method of making multipart assemblies by producing single parts from ceramic composite materials that are machined and bonded together to form the multipart assembly. The method is used to make turbine engine vanes.

Abstract: A method of making a reinforcement for reinforcing a leading edge of a blade, the method including depositing a metal coating on the leading edge by thermal spraying in compression. A blade, for example a blade for a turbine engine, a helicopter, or a propeller, can have the leading edge protected by such a reinforcement.

Abstract: Turbine cooling systems and methods are disclosed herein. The turbine cooling system may include a rotor disk having a bucket attached thereto. The bucket may include a shank cavity. The turbine cooling system may also include a cover plate positioned at least partially about the rotor disk and the shank cavity. The cover plate may be configured to separate a first flow of cooling fluid from a second flow of cooling fluid. At least one aperture may be disposed in the cover plate about the shank cavity. The at least one aperture may be configured to provide the first flow of cooling fluid to the shank cavity.

Abstract: An interior cooling configuration formed within an airfoil of a blade of a combustion turbine engine is provided. The interior cooling configuration may include a first flow passage and a second flow passage that have a side-by-side configuration for a segment, and multiple lateral crossover passages extending between and fluidly connecting the first flow passage to the second flow passage. The crossover passages may be staggered.

Abstract: Liquid fuel from a rotary fluid trap is atomized by a sharp edge on an inside surface of an aft cavity of a bladed rotor of a gas turbine engine and directed into each of a plurality of associated hollow blades through corresponding blade inlet ducts that are in fluid communication with corresponding aft hollow interior portions of each blade. A radially-extending central rib within each blade partitions the hollow interior thereof into aft and forward hollow interior portions that are in fluid communication through an associated opening in the central rib and through a radially-extending gap between the central rib and the interior surface of the blade. A blade outlet duct provides for fluid communication between the forward hollow interior portion and a forward cavity of the bladed rotor, and a rotor outlet duct provides for discharging the fuel from a radially-inboard portion of the forward cavity.

Abstract: A control device of a piston pump unit comprising at least two piston-cylinder units that operate in a phase-shifted manner for the purpose of liquid chromatography and to a piston pump unit is described. The control device corrects fluctuations of the system pressure while switching from one piston cylinder unit to the respective other piston cylinder unit. The fluctuations can occur as a result of the cooling of the liquid medium that is heated in an adiabatic manner during a pre-compression phase in the working piston. The control unit controls the piston speed of at least one piston-cylinder unit during the transition phase depending on at least one characteristic, which is ascertained from chronologically previously detected pressure values, such that variations of the system pressure as a result of the cooling of the adiabatically heated medium are at least partially compensated for.