Abstract: A rotor blade having a suction side and a pressure side for a wind power installation, comprising: a rotor blade root of a hub region for the attachment of the rotor blade to a rotor hub, and a rotor blade tip arranged toward that side of a tip region which is averted from the rotor blade root. In the region of the hub region, the rotor blade has, at least in part, a thickness profile which has a thorn-like extension at its trailing edge, wherein, in the region of the hub region, the thickness profile has, at least in part, a first thorn-like extension at the trailing edge at the suction side, and a second thorn-like extension at the trailing edge at the pressure side, and, in the region of the hub region, the thickness profile has, at least in part, a flow stabilizer and/or a vortex generator on the suction and/or pressure side.

Abstract: A wind turbine rotor blade comprising a rotor blade root, a rotor blade tip, and at least two rotor blade parts which are secured to one another by means of at least one securing unit in a dividing plane. The securing unit has a cross pin in a first rotor blade part, a first clamping device in or on the cross pin, a steel cable which is guided through a hole in the second rotor blade part and a second clamping device with which a second end of the steel cable is clamped. A first end of the steel cable is clamped in the first clamping device on a blade outer side. The second clamping device is provided on a blade inner side.

Abstract: A wind-turbine rotor blade having a rotor blade portion which comprises an inner rotor blade portion with a first end having a plurality of fastening units for fastening to a hub of a wind turbine and a second end having a flange for fastening further portions of the wind-turbine rotor blade, wherein the inner rotor blade portion is produced from polymer concrete, wherein the rotor blade portion has a plurality of resin-impregnated fiber-composite laid scrims or rovings which are wound around the inner rotor blade portion.

Abstract: A rotor blade of a wind turbine. The wind turbine rotor blade includes a blade root for connection of the rotor blade to a rotor hub, an inner blade portion which extends from the blade root in the direction of the longitudinal axis of the rotor blade, at least one trailing edge segment portion of a trailing edge segment for increasing the profile depth of the rotor blade at the blade root and at least one first and second securing portions for securing the at least one trailing edge segment portion of the trailing edge segment to the inner blade portion.

Abstract: A rotor blade of a wind power installation for fixing to a rotor hub and having a rotor blade longitudinal axis, including a rotor blade inner part towards the rotor hub, and a rotor blade outer part away from the rotor hub, wherein the rotor blade inner part and the rotor blade outer part are connected together by means of at least one connecting device and the connecting device includes at least one anchoring element anchored in the rotor blade outer part, at least one counterpart element anchored in the rotor blade inner part, and at least one connecting bolt which extends through the counterpart element and is fixed in the anchoring element.

Abstract: A method for disengaging a parking lock of a dual-clutch transmission of a motor vehicle with at least one drive unit is provided. The method includes, upon detection of an absolute value of a road inclination along a longitudinal axis of the motor vehicle exceeding a predetermined threshold and upon actuation of a selector lever for disengaging the parking lock prior to disengagement of the parking lock, issuing a torque request to the drive unit and closing a power-shifting clutch of the dual-clutch transmission with an engaged gear in a sub-transmission to which the power-shifting clutch is allocated. A torque transferred by the power-shifting clutch as a consequence of closing the power-shifting clutch and the torque request to the drive unit is a relief torque. The torque request to the drive unit and the closed power-shifting clutch are selected to counteract a torque, supported by a parking lock pawl, applying with an engaged parking lock by drive wheels on an output side at the transmission.

Abstract: A method of producing a wind turbine rotor blade. For that purpose metal particles, metal powder or metal chips are mixed into a matrix used to produce the rotor blade. Inductive heating of the matrix with the metal particles, metal powder or metal chips is then effected to harden the matrix in at least one portion of the wind turbine rotor blade.

Abstract: A method for controlling a hydraulic fluid supply system of an automatic transmission of a motor vehicle includes supplying the hydraulic fluid supply system with hydraulic fluid from at least one of a hydraulic pump controlled on an engine side and a hydraulic pump controlled on a gear set side. The method also includes controlling a cooling valve of the hydraulic fluid supply system as a function of detected motor vehicle parameters in order to set an adjusted power distribution with the hydraulic pump controlled on the engine side and the hydraulic pump controlled on the gear set side.

Abstract: A method for mounting a wind turbine rotor blade which has at least one release unit is provided. A hoisting rope is fastened on or in the rotor blade. First ends of at least one auxiliary rope are fastened on or in the release unit in the rotor blade. The rotor blade is lifted up by means of the hoisting rope. The rotor blade is mounted on a rotor of the wind turbine. The release unit is activated so that the first ends of the auxiliary ropes are released. The auxiliary ropes can be removed.

Abstract: The invention concerns a rear box section for a rotor blade, in particular of a wind power installation, comprising a pressure-side surface, a suction-side surface, a trailing edge separating the pressure-side and suction-side surfaces, and a connecting side which is opposite to the trailing edge and which is adapted for mounting to a corresponding connecting surface of the rotor blade. The invention concerns in particular a rear box section which is sub-divided into a foot segment having the connecting side and one or more head segments which have the trailing edge and which can be coupled to the foot segment. The invention also concerns a rotor blade for a wind power installation, and a wind power installation.

Abstract: A method and an apparatus for producing a preform for a rotor blade of a wind turbine. The method comprises the steps of providing at least one semifinished textile product on at least one roll, applying a binder onto the semifinished textile product and/or heating the semifinished textile product, draping the at least one semifinished textile product from the at least one roll onto a core, and curing the semifinished textile product after the draping on the core. The draping is in this case carried out by means of rotating the core.

Abstract: A method for controlling a hydraulic fluid supply system of an automatic transmission of a motor vehicle includes supplying the hydraulic fluid supply system with hydraulic fluid from at least one of a hydraulic pump controlled on an engine side and a hydraulic pump controlled on a gear set side. The method also includes controlling a retaining valve of the hydraulic fluid supply system as a function of detected motor vehicle parameters in order to set an adjusted power distribution with the hydraulic pump controlled on the engine side and the hydraulic pump controlled on the gear set side.

Abstract: There is provided a wind power installation rotor blade having a rotor blade root, a rotor blade tip, a rotor blade leading edge, a rotor blade trailing edge, a pressure side and a suction side. The rotor blade further has a rotor blade outer casing with at least one opening in the pressure and/or suction side for receiving handling means for fitting or removing the rotor blade. The rotor blade also has at least one fixing unit for fixing the handling means which are introduced through the at least one opening. The fixing unit is arranged in the interior of the rotor blade outer casing between the pressure side and the suction side.

Abstract: A wind turbine rotor blade with a rotor blade tip, a rotor blade root, and a rotor blade connection in the region of the rotor blade root with a rotationally symmetrical flange coupling is provided which has a first and a second end. The first end of the flange coupling has multiple bores for receiving fastening means for fastening to a hub of a wind turbine. The second end is fastened in or on material of the rotor blade root. The second end extends in the direction of an axis of rotation of the flange coupling.

Abstract: A rotor blade of a wind turbine, comprising a first rotor-blade portion and a second rotor-blade portion. In this case, the first and the second rotor-blade portion constitute a total length of the rotor blade and, upon a rotation of the rotor blade, the first rotor-blade portion and the second rotor-blade portion can be moved relative to each other, along a longitudinal axis of the rotor blade, as a result of a centrifugal force acting upon the rotor blade, in such a way that the total length of the rotor blade can be altered.

Abstract: A method for disengaging a parking lock of a dual-clutch transmission of a motor vehicle with at least one drive unit is provided. The method includes, upon detection of an absolute value of a road inclination along a longitudinal axis of the motor vehicle exceeding a predetermined threshold and upon actuation of a selector lever for disengaging the parking lock prior to disengagement of the parking lock, issuing a torque request to the drive unit and closing a power-shifting clutch of the dual-clutch transmission with an engaged gear in a sub-transmission to which the power-shifting clutch is allocated. A torque transferred by the power-shifting clutch as a consequence of closing the power-shifting clutch and the torque request to the drive unit is a relief torque. The torque request to the drive unit and the closed power-shifting clutch are selected to counteract a torque, supported by a parking lock pawl, applying with an engaged parking lock by drive wheels on an output side at the transmission.

Abstract: A method for controlling a hydraulic fluid supply system of an automatic transmission of a motor vehicle includes supplying the hydraulic fluid supply system with hydraulic fluid from at least one of a hydraulic pump controlled on an engine side and a hydraulic pump controlled on a gear set side. The method also includes controlling a cooling valve of the hydraulic fluid supply system as a function of detected motor vehicle parameters in order to set an adjusted power distribution with the hydraulic pump controlled on the engine side and the hydraulic pump controlled on the gear set side.

Abstract: A method for controlling a hydraulic fluid supply system of an automatic transmission of a motor vehicle includes supplying the hydraulic fluid supply system with hydraulic fluid from at least one of a hydraulic pump controlled on an engine side and a hydraulic pump controlled on a gear set side. The method also includes controlling a retaining valve of the hydraulic fluid supply system as a function of detected motor vehicle parameters in order to set an adjusted power distribution with the hydraulic pump controlled on the engine side and the hydraulic pump controlled on the gear set side.

Abstract: A hydraulic system (1) of a transmission (2) with a multiple number of pressure control valves (62 to 29) is described, in the area of which an applied pressure (p_sys) can be adjusted to a pressure level to be set downstream as a function of a total force component acting on a valve slide depending on the operating state. The total force component is adjusted as a function of a pilot force component that can be applied to the valve slide, an actuating force component and a control force component that exists as a function of the pressure level prevailing downstream.

Abstract: A rotor blade for a wind turbine comprising a blade root to be fastened to a rotor hub, a blade tip opposite the blade root, a rotor blade longitudinal axis extending from the blade root to the blade tip, an inner rotor blade part on the near side of the blade hub, especially encompassing the blade root, and an outer blade part on the far side of the blade hub, especially encompassing the blade tip. The inner rotor blade part and the outer rotor blade part are joined to one another in a joining zone which forms a bulge in the rotor blade.