Abstract: An aft frame for a transition duct of a gas turbine combustor includes a main body having an outer rail, an inner rail, a first side rail circumferentially separated from an opposing second side rail, a forward portion, an aft portion and an outer surface. An inlet port extends through the outer surface and an exhaust port extends through the forward portion. A serpentine cooling passage is defined within the main body beneath the outer surface. The serpentine cooling passage is in fluid communication with the inlet port and the exhaust port. A conduit may be connected to the exhaust port for routing a compressed working fluid away from aft frame.

Abstract: A valve and valve assembly having a hybrid valve member are provided. The valve includes a housing, with an inlet, a primary outlet, and a secondary outlet. The hybrid valve member is rotatably positioned within the housing. The hybrid valve member has a fully closed position wherein the hybrid valve member prevents flow between the inlet and the primary outlet and prevents flow between the inlet and the secondary outlet. The hybrid valve member includes a planar portion and a hemispherical portion on a first side thereof. The planar portion faces the inlet in the fully closed position and the hemispherical portion faces the secondary outlet in the fully closed position.

Abstract: A direct metering architecture is provided having a metering pump and a servo pump wherein the metering and servo pumps are driven by an engine shaft by way of a gearbox transmission. The system reduces wasted horsepower previously occurring with oversized fixed displacement pumps, reduces instances of engine flameout and reduces the amount of heat added to fuel which ultimately improves engine oil cooling.

Abstract: A method for grounding an electrical component received in a body (2) capable of being assembled to a cover (3), the cover (3) being in electrical contact with the electrical component when it is assembled on the body, said method involving: positioning the cover (3) relative to the body (2) using a centering piece (8) arranged in the body (2) and in electrical contact with the body (2), and assembling the cover (3) positioned in this way on the body (2) in such a way that the cover (3) is in electrical contact with the centering piece (8) and in electrical contact with the electrical component.

Abstract: An efficient thermal engine is disclosed. In some embodiments, a remainder of energy remaining after an expansion cycle is used to power a subsequent compression cycle. In other embodiments, novel configurations for a larger expansion volume than compression volume are provided. In addition, work of compression may be reduced in a compression cycle, and recovered in an expansion cycle.

Abstract: An engine includes a catalyst disposed inside an exhaust passage that guides exhaust discharged from a combustion chamber and a controller programmed to control a throttle valve and a fuel injector. If the engine is overheating, the controller is programmed to control the opening degree of the throttle valve or the injection amount of fuel from the fuel injector to decrease the rotational speed of the crankshaft and to control the injection amount of fuel from the fuel injector to set a target air-fuel ratio to a value richer than a stoichiometric air-fuel ratio.

Abstract: A vehicle includes an internal combustion engine that generates power for rotating drive wheels, a differential mechanism that is provided between the engine and the drive wheels, and has at least three rotary elements including a first rotary element coupled to the engine, and a second rotary element coupled to the drive wheels, and a controller configured to control the engine. The controller is configured to determine whether to perform correction to increase the power generated by the engine, or perform correction to reduce the power, depending on a rotational speed of the second rotary element, when it changes a rotational speed of the engine.

Abstract: A plant control device according to the present invention includes a feedback controller and a reference governor. The feedback controller is configured to determine a control input of a plant by feedback control so as to bring an output value of a control amount of the plant close to a target value. The reference governor is configured to calculate a future predicted value of a specific state quantity of the plant by using a model of a closed loop system including the plant and the feedback controller, and correct the target value that is given to the feedback controller based on the predicted value of the specific state quantity and a constraint that is imposed on the specific state quantity.

Abstract: A current is supplied to a driving relay that drives a bypass relay when restarting an engine after idle reduction, and the current supply to the driving relay is interrupted when the engine is started for the first time based on operation of a driver.

Abstract: Systems and methods are provided for controlling a purging operation of a fuel vapor canister in a boosted engine. One method comprises purging stored fuel vapors from the fuel vapor canister to an inlet of the compressor via an ejector while bypassing a canister purge valve, the ejector being fluidically coupled to the fuel vapor canister by a distinct passage coupled upstream of the canister purge valve, where motive flow through the ejector may be regulated by a shut-off valve. The shut-off valve may be adjusted based on whether or not the engine is boosted.

Abstract: The invention relates to a method and an arrangement for operating an internal combustion engine. In the method a first distribution of values for at least one variable is used, the variable describing a physical property of the internal combustion engine, and over a second time period values for this variable are recorded and classified, such that a second distribution is determined. The first distribution is then compared with the second distribution such that the behavior of the internal combustion engine can be adapted on the basis thereof.

Abstract: Methods and systems are provided for estimating exhaust gas recirculation (EGR) flow based on outputs of two different intake oxygen sensors arranged in an engine intake system. In one example, a method may include, when the engine is boosted, adjusting exhaust gas recirculation (EGR) based on a first output of a first oxygen sensor positioned in an intake passage and exposed to EGR gases and a second output of a second oxygen sensor not exposed to EGR gases and exposed to positive crankcase ventilation and purge flow gases. For example, EGR flow may be estimated based on a difference between the first output and the second output.

Abstract: Methods and systems are provided for estimating an engine exhaust pressure based on outputs from an exhaust oxygen sensor. In one example, a method may include estimating an exhaust pressure of exhaust gas flowing through an engine exhaust passage based on a difference between a first output of an oxygen sensor disposed in the exhaust passage and a second output of the oxygen sensor and then adjusting engine operation based on the estimated exhaust pressure. As one example, both the first and second outputs may be taken while operating the sensor in a variable voltage mode, after increasing a reference voltage of the oxygen sensor from a lower, first voltage to a higher, second voltage.

Abstract: A method, system and computer software for providing a load anticipation feature for a diesel generating set including a diesel engine, a generator, a speed governor, and an automatic voltage regulator generator in a power system and computer data processor apparatus and computer executable instructions for ascertaining an equivalent linear speed control system whose response approximately matches the non-linear speed response of the diesel generating set; ascertaining at least one programmable parameter of the load anticipation feature based on a real power load applied to the diesel generating set and a desired speed response of the linear speed control system; generating a control output based on a measured real power load and at least one programmable parameter of the load anticipation feature; the speed governor receiving the control output and adjusting the speed of the diesel engine based on the control output.

Abstract: An apparatus for detecting particulate and a correction method of the apparatus for detecting particulate matter that detects particulate matter within a gas to be measured are provided. The correction method corrects the individual differences inevitably occurring during the manufacturing process of particulate matter detection sensors. The apparatus for detecting particulate matter includes an applied voltage correction means. The applied voltage correction means applies correction information acquired by the correction method to detection control.

Abstract: Provided is a control unit (1) for an internal combustion engine (10) including a direct injector (11) directly injecting fuel into a cylinder (20) and a port injector (12) injecting fuel into an intake port (17). The control unit (1) includes an injection volume calculator (5) to calculate a volume of the fuel injected from the direct injector (11), a port injection controller (2) to control a volume of the fuel injected from the port injector (12), an overlap period controller (4) to control an overlap period during which both an intake valve (27) and an exhaust valve (28) are open, and a changer (6) to vary both the volume of the port injection from the port injector (12) and the overlap period based on the volume of the direct injection.

Abstract: An electronic control unit calculates a rotation variation amount ??NE as a cetane number index value of the fuel supplied to an internal combustion engine and executes fuel injection control in a first execution mode corresponding to the rotation variation amount ??NE (S407, S408). In a mixing period in which the cetane number of the fuel supplied to the internal combustion engine is changed due to the fuel feed into the fuel tank (S401: YES), the fuel injection control is executed in a second execution mode such that, compared with the first execution mode, stable operation of the internal combustion engine is given more importance (S402:YES, S403). When calculation of the rotation variation amount ??NE is executed during the mixing period (S404: YES), fuel injection control is executed while limiting the reflection of the rotation variation amount ??NE (S405, S406).

Abstract: A method for operating an internal combustion engine having at least one fuel injection valve for introducing fuel into a combustion chamber of the internal combustion engine, the valve being supplied with a specified current intensity in order to adjust a specified flow cross-section of a fuel fluidic connection in the combustion chamber. The maximum specified current intensity during normal operation is equal to a first current intensity and during a release operation is equal to a second, higher current intensity.

Abstract: Disclosed are an engine having a cylinder block and a method for manufacturing an engine having a cylinder block. The engine may include cylinder liners each having a cylinder space formed therein, a protruded portion formed on an outside circumference thereof, and a flat surface formed on one side of the protruded portion. The cylinder liners may be arranged such that the flat surfaces of adjacent cylinder liners are in close contact with one another. The engine may also include a liner covering unit formed to surround an outside of the cylinder liners, and an outer block which forms a cooling water chamber with an outside surface of the liner covering unit.

Abstract: According to the disclosed embodiments, a thermoelectric generator (TEG) insert is used for recovery of engine waste heat. The embodiments include an engine having an exhaust manifold outlet, and an exhaust pipe having an inlet and an outlet. The TEG insert, which is configured to convert heat from exhaust gas leaving the engine into electrical power, may be disposed between the exhaust manifold outlet of the engine and the inlet of the exhaust pipe. The location of the TEG insert may maximize the thermal conversion of heat to electricity. Further, the size of the TEG insert may be minimized through the use of a high-efficiency nano-material. As a result, overall fuel economy may be maximized, the size of ancillary components, e.g., alternator, coolant pump, oil pump, etc., may be reduced, and minimal engine design change may be required to accommodate the TEG insert described herein.

Abstract: Disclosed aircraft and turbofan engines have an active configuration (corresponding to flight, etc.) and an idle configuration (corresponding to ground idle). Turbofan engines comprise a core engine, a nacelle, a bypass duct therebetween, and a bypass splitter shell that extends at least partially between the nacelle and the core engine to define peripheral and interstitial bypass ducts. Bypass flow in the bypass duct splits into peripheral bypass flow and interstitial bypass flow. The relatively cool, slow interstitial bypass flow is directed into relatively hot, fast core exhaust flow from the core engine and into a mixed exhaust duct at least partially defined by the bypass splitter shell. The bypass splitter shell may be selectively positioned to increase (in the idle configuration) or to decrease (in the active configuration) the relative flow of the interstitial bypass flow, thereby cooling and/or slowing the mixed exhaust flow in the idle configuration.

Abstract: A multi-surface blocker door system for a thrust reverser of an aircraft is provided. The system may comprise one or more first blocker doors coupled to the inner fixed structure. The first blocker doors may be configured to obstruct a fan duct area adjacent the engine. The system may also comprise one or more second blocker doors coupled to a translating sleeve. The second blocker doors may be configured to obstruct a fan duct area adjacent to an inlet of the nacelle.

Abstract: A gas turbine engine for mounting under a wing of an aircraft has a propulsor that rotates on a first axis, and an engine core including a compressor section, a combustor section, and a turbine section, with the turbine section being closer to the propulsor than the compressor section. The engine core is aerodynamically connected to the propulsor and has a second axis. A nacelle is positioned around the propulsor and engine core. The nacelle is attached to the wing of the aircraft. A downstream end of the nacelle has at least one pivoting door with an actuation mechanism to pivot the door between a stowed position and a horizontal deployed position in which the door inhibits a flow to provide a thrust reverse of the flow.

Abstract: A fuel bowl for a carburetor has no valves and is configured for continuous flow of fuel through the bowl. The fuel bowl can be constructed to constrain the constantly flowing fuel within a compartment of the bowl to maintain fuel level in the bowl sufficient to meet the carburetor demand under circumstances of high fuel demand and/or high g-forces. A method of continuously circulating fuel through the fuel bowl facilitates fuel level maintenance over a range of performance requirements.

Abstract: An assembly includes a cylinder head with an integrated exhaust manifold that has four exhaust flow passages directing cylinder exhaust from inlets arranged to correspond with exhaust from the four cylinders, respectively, and has only three outlets. The assembly includes a twin scroll turbocharger having a housing with a first scroll passage, a second scroll passage, and only three inlets. Two of the exhaust flow passages join in the cylinder head to direct exhaust flow into only one of the inlets of the housing and through the first scroll passage. Exhaust flow through the other two of the exhaust flow passages flows separately into the other two inlets in the housing and joins in the housing to flow through the second scroll passage.

Abstract: The invention relates to a fluid flow valve, particularly for a motor vehicle. Said fluid flow valve comprises a body (2), capable of having said fluid pass therethrough; and a sealing means (3), placed in said body, capable of occupying different angular positions by rotation of said sealing means (3) relative to said body (2). Said sealing means (3) is configured so as to enable, in a first angular position, the fluid to pass from a first inlet (6) to a first outlet (21) of the valve and from a second inlet (22) to a second outlet (7) of the valve, and, in a second angular position, to enable the fluid to pass from the first inlet (6) to the second outlet (7) through the body (2). Said sealing means (3) is also configured so as to ensure a gradual closing of the first inlet (6).

Abstract: A method and internal combustion engine system are provided for keeping an exhaust gas aftertreatment system within its working temperature range during an idle or motoring engine operation mode of an internal combustion engine. The method includes sensing the temperature of the gas at the gas intake side of the internal combustion engine and/or of the exhaust gas; determining whether or not the sensed temperature value is in a predetermined temperature interval or below a predetermined temperature threshold; determining whether the internal combustion engine is in idle or motoring engine operation mode; in case the internal combustion engine is determined to be in an idle or motoring engine operation mode, controlling the temperature of the gas at the gas intake side of the internal combustion engine to be within the predetermined temperature range or below the predetermined temperature threshold by recirculating exhaust gas through a connecting duct by controlling at least one valve.

Abstract: A purge solenoid valve is opened to introduce an atmospheric pressure into a fuel tank, the purge solenoid valve is closed to operate a negative pressure pump, and set an internal pressure of the tank to a reference pressure Pb. Then, a changeover valve is closed, and the purge solenoid valve is opened to cause a canister to communicate with an intake passage. Further, the changeover valve is opened, and the purge solenoid valve is closed. Then, a first tank internal pressure Po is detected and subtracted from the reference pressure Pb. If a calculated first pressure deviation ?Po is larger than a first threshold ?P1, it is determined that there is no open sticking in a sealing valve.

Abstract: When an EGR control valve is fixed and a valve opening degree EGRVO of the EGR control valve is greater than a valve-opening threshold value EGRVOth, a limit value Qlim of the intake air amount is set to a prescribed amount Qlim1. Conversely when the EGR control valve is fixed and the valve opening degree EGRVO of the EGR control valve is less than or equal to the valve-opening threshold value EGRVOth, the limit value Qlim of the intake air amount is set to a prescribed amount Qlim2.

Abstract: A fresh air system component of a fresh air system serving to supply fresh air to an internal combustion engine may include a housing that may have a first shell and a second shell. The housing may delimit at least one fresh air path that may run from at least one fresh air inlet of the housing to at least one fresh air outlet of the housing. The second shell may be secured along a second shell edge to a first shell edge of the first shell. The second shell edge may be more flexible than the first shell. The second shell may have at least one second support element that may be at a distance from the second shell edge. The second support element may interact with a first support element that is complementary thereto in order to transmit at least one of a tensile force and a compressive force.

Abstract: An exhaust gas recirculation adapter for an air intake system of an engine is disclosed. The exhaust gas recirculation adapter includes a tube portion defining an interior space therein. The exhaust gas recirculation adapter also includes a protrusion projecting into the interior space of the tube portion. The protrusion is configured to provide a surface for impacting of exhaust gases thereon.

Abstract: An engine room cooling system may include an encapsulation covering an intake manifold and an exhaust manifold of an engine of a vehicle, a main duct guiding traveling wind flowing into the vehicle to a side of the encapsulation, an encapsulation intake duct branched from the main duct and formed toward the intake manifold within the encapsulation, an encapsulation exhaust duct branched from the main duct and formed toward the exhaust manifold within the encapsulation, and an intake duct valve disposed adjacent to the encapsulation intake duct and controlling air flow from the main duct to the encapsulation intake duct or to the encapsulation exhaust duct.

Abstract: A fuel pump module supports a port injection (PI) fuel pump and a direct injection (DI) fuel pump by utilizing a combination structure of a pump case for housing the PI fuel pump and an other pump case for housing the DI pump case. The two pump cases are combined via a support part. The support part includes an outer wall of a cylinder part of the pump case which extends outwardly toward a radially-outer portion thereof. The cylinder part houses the PI fuel pump. The support part has a C-shape, and supports the other pump case which houses the DI fuel pump, a DI filter and the like. As a result, the fuel pump module has a fewer number of parts and a reduced volume.

Abstract: An exemplary camshaft for a high pressure common rail oil pump and a manufacturing method thereof is provided. The method achieves interference assembly between the mandrel and cam piece, and satisfies anti-rotating torque of the cam piece relative to the mandrel while ensuring the surface hardness of the cam piece. The camshaft includes a mandrel and a cam piece arranged on the mandrel. The anti-rotating torque of the cam piece relative to the mandrel is at least 500 NM after the cam piece and the mandrel are connected by interference fit by hot charge practice. Surface hardness of the cam piece 1 is at least HRC58. The method includes performing interference assembly of the cam piece and the mandrel while performing quenching heat treatment on the cam piece, then quickly cooling the cam piece equipped with the mandrel at the cooling stage during the quenching heat treatment.

Abstract: A valve assembly for an injection valve may include a valve body including a central longitudinal axis, the valve body having a cavity with a fluid inlet portion and a fluid outlet portion, and a chamber, with an electro-magnetic actuator unit arranged in the chamber, and a valve needle axially movable in the cavity, the valve needle preventing a fluid flow through the fluid outlet portion in a closing position and releasing the fluid flow through the fluid outlet portion in further positions. The valve needle is designed to be actuated by the electro-magnetic actuator unit. A bellows arranged between the valve body and the valve needle is sealingly coupled to the valve body and to the valve needle. The bellows prevents a fluid flow between the cavity and the chamber. An injection valve comprising such a valve assembly is also disclosed.

Abstract: A fuel injection head for use in a fuel injection nozzle comprises a monolithic body portion comprising an upstream face, an opposite downstream face, and a peripheral wall extending therebetween. A plurality of pre-mix tubes are integrally formed with and extend axially through the body portion. Each of the pre-mix tubes comprises an inlet adjacent the upstream face, an outlet adjacent the downstream face, and a channel extending between the inlet and the outlet. Each pre-mix tube also includes at least one fuel injector that at least partially extends outward from an exterior surface of the pre-mix tube, wherein the fuel injector is integrally formed with the pre-mix tube and is configured to facilitate fuel flow between the body portion and the channel.

Abstract: A fuel rail or pressure vessel assembly extends along a longitudinal axis and includes a fluid conduit having an opening at either or both of the longitudinal ends of the conduit. The conduit has an inlet coupled to a high-pressure fuel source, a plurality of outlets, and a conduit interior that forms a fluid flow passageway between inlet and outlets. An end cap assembly is mounted to cover and close each fluid conduit opening. The end cap assembly includes a cup having a free edge that defines an aperture that leads to a cup interior. The cup has an inner surface facing the conduit interior. The end cap assembly also includes a reinforcement that is mounted to the inner surface of the cup. Both the cup and the reinforcement can be stamped metal components and are brazed together.

Abstract: A fuel injection valve includes: a needle valve including a seat portion on a tip side thereof; a nozzle body including a seat surface on which the seat portion is placed, and a swirl stabilization chamber on a downstream side of the seat surface, the nozzle body having an injection hole formed so as to have an inlet in the swirl stabilization chamber; a swirl flow generating portion having swirl grooves configured to give a swirling component to fuel to be introduced into the swirl stabilization chamber; and a fuel collision portion provided in a tip portion of the needle valve, the fuel collision portion being configured such that, in a state where the needle valve is opened, the fuel collision portion intersects with a virtual surface extended toward the injection hole from the seat surface included in the nozzle body.

Abstract: A fuel injector includes a body having a fuel injection port, and a seal ring on the body. The body has a diameter-shrink portion of which an outer diameter is shrunk. The seal ring is engaged with the diameter-shrink portion. The diameter-shrink portion has a radially concaved annular groove with which a tip end portion of the seal ring is engaged. It is restricted that the seal ring is rubbed against an inner surface of the assembling hole and the seal ring is damaged.

Abstract: A first fuel rail of an engine connects to first fuel injectors and a second fuel rail connects to second fuel injectors. The first fuel injectors each includes a tip portion projecting through an opening in the cylinder head into the combustion chamber. The second fuel injectors each includes a tip portion projecting through an opening in a bottom portion of an intake port. The first fuel rail includes first mounting brackets each including an aperture, and outwardly projecting mounting bosses, and fixedly attaches to the cylinder head via fasteners that pass through the apertures of the first mounting brackets and attach to the mounting bosses of the cylinder head. The second fuel rail includes second mounting brackets each including an aperture. The second fuel rail fixedly attaches to the first fuel rail via fasteners that attach to the mounting bosses of the first fuel rail.

Abstract: An idling stop control system stops an idling of an engine so as to automatically stop the engine in the case where a predetermined condition on automatic stop of the engine is established and releases the automatic stop of the engine so as to restart the engine in the case where a predetermined condition on restart of the engine is established in accordance with a driving condition of the vehicle. The idling stop control system recognizes a type of an object in front of the vehicle and restarts the engine depending on the type of the object in front of the vehicle even if the engine is in the automatic stop and the restart condition of the engine is not established with respect to the driving condition.

Abstract: The detection of the switching state of a stop switch at a switch terminal of an ignition device for an internal combustion engine is provided, in which an ignition pulse for controlling an electronic ignition switch is generated and a first power storage device is discharged via an ignition coil and during this discharge a voltage signal having negative and positive voltage half waves is generated, which is used for synchronizing a sampling, representing the switch state of the stop switch, particularly its closed position, of a voltage value at the switch terminal.

Abstract: The invention relates to a corona ignition device for igniting fuel in a combustion chamber of an engine by means of a corona discharge, comprising an insulator, which has a continuous channel, a central electrode, which plugs into the channel of the insulator and leads to at least one ignition tip, a glass seal, which seals in the channel a gap between the central electrode and the insulator, and a housing, into which the insulator plugs. In accordance with the invention, the central electrode has a sealing face, which, together with a sealing face of the insulator, forms a seat, and an annular air gap that is open towards the ignition tip is provided in an end portion of the channel, facing the ignition tip, between the central electrode and the insulator.

Abstract: A high efficiency optical ignition device is provided in a two-part compact and robust package to be mounted directly on an internal combustion engine chamber. The ignition device ignites a combustion fuel with a high intensity plasma generated by a high power laser beam from a solid state laser operable in Q-switched, or non-Q-switched mode for producing short or long pulses, respectively. Multiple pulses are generated, and duration and frequency of the laser beam pulses are controlled by controlling an optical pump module to pump the solid state laser. The optical pump module comprises a semiconductor laser, preferably a VCSEL device. One or more laser beams are precisely directed, each one to a desired location anywhere within the combustion chamber for more efficient and near complete burning of the combustion fuel. The robust packaging is well suited to withstand mechanical and thermal stresses of the internal combustion engine.

Abstract: This invention relates to a turbine for extracting energy from an oscillating working fluid. The turbine includes a housing defining a flow passage for the working fluid. An energy conversion unit is disposed in the housing. Flow control means is selectively movable to occlude a predetermined portion of the flow passage such that the working fluid is directed to act on a certain section of the energy conversion unit.

Abstract: A hydraulic motor includes a motor mechanism that rotates by hydraulic liquid pressure led from a hydraulic liquid pressure source. The hydraulic motor includes a casing that defines a casing chamber which accommodates the motor mechanism, a brake mechanism that brakes the rotation of the motor mechanism, a brake release actuator that releases the braking of the brake mechanism by a brake release pressure led from the hydraulic liquid pressure source, and a throttle passage that is in communication with the casing chamber and extracts a portion of hydraulic liquid that is led into the brake release actuator and leads it to the casing chamber.

Abstract: Methods of manufacturing rotor blade components for a wind turbine and rotor blade components produced in accordance with such methods are disclosed. In one embodiment, the method generally includes providing a mold of the rotor blade component; coating at least a portion of an interior surface of the mold with an elastomeric material; inserting a foam material within the mold; and, removing the rotor blade component from the mold, wherein the elastomeric material forms a cover skin around at least a portion of the rotor blade component. In an alternative embodiment, the method includes providing at least one support member defining a profile for the rotor blade component on a mold surface; coating at least a portion of the support member with an elastomeric material; and, allowing the elastomeric material to cure on the mold surface so as to form the rotor blade component.

Abstract: The present invention relates to a connection system for connecting component sections of wind turbine blades, according to which one or more intermediate parts (2) formed by a complex structure defining end transverse partitions (2.1) and a central transverse partition (2.2), between which there extend columns (2.3) separated by openings (2.4), is arranged between the blade sections (1) to be connected, the openings (2.4) including short bolts or screws (3) that pass directly through the end transverse partitions (2.1) and long bolts or screws (3) that pass inside the columns (2.3), said bolts or screws (3) being screw-coupled to nut-like anchoring parts (4) housed in the material of the blade sections (1).

Abstract: A method for operating a wind turbine is provided. The method includes determining a wind condition, determining for the wind condition expected azimuthal positions of a rotating wind rotor of the wind turbine, and determining for the wind condition desired azimuthal positions of the rotating wind rotor so that at least one of a load balance of the rotating wind rotor and a power uptake of the rotating wind rotor is improved compared to the expected azimuthal positions.

Abstract: A method for operating a wind turbine is described. The wind turbine includes a tower having a tower axis, and a nacelle being rotatable about the tower axis. The method includes providing a data set of one or more operational parameters of the wind turbine. The one or more operational parameters depend on the angular position of the nacelle with respect to the tower axis. The method further includes determining an angular position of the nacelle with respect to the tower axis; selecting one or more operational parameters from the data set of one or more operational parameters of the wind turbine depending on the determined angular position of the nacelle; and applying the one or more selected operational parameters to the wind turbine. Further, another method of operating a wind turbine and a wind turbine are described.