Völkl Siebenson Patentanwälte - Partnerschaft mbB

A wind turbine rotor blade (110) comprises a spar cap (200) having a first-type stack (202) of prefabricated pultruded planks (210). The first-type stack has a length (L1) measured in a first direction (D1), a width (W1) defined as the distance between two opposite lateral sides (204) of the first-type stack and a height (H1) measured in a stacking direction of the pultruded planks. A further prefabricated pultruded plank is arranged transversely to the pultruded planks of the first-type stack on a lateral side of the first-type stack.

The invention relates to a facility (200) for manufacturing a wind turbine rotor blade (110), comprising:a plurality of stationary molds (202) for manufacturing parts of a wind turbine rotor blade (110),a gas exhaust system (203) comprising a plurality of gas exhaust terminals (204), each gas exhaust terminal (204) being arranged stationary with respect to the molds (202), anda vacuum pump (208) producing exhaust gas during operation, whereinthe vacuum pump (208) is movable relative to the molds (202) and the plurality of gas exhaust terminals (204) such that the vacuum pump (208) can be selectively connected to a gas exhaust terminal (204) of the plurality of the gas exhaust terminals (204) to discharge the exhaust gas of the vacuum pump (208) to the outside (210) of the facility (200).The invention also relates to a gas exhaust system (203).

The invention relates to a method for manufacturing a wind turbine rotor blade (110), comprising the steps of:a) providing two prefabricated parts in a mold (400), the prefabricated parts being arranged next to each other and forming a gap (302) between each other,b) providing fiber material (304),c) pushing the fiber material (304) into the gap (302).

The invention concerns a wind turbine rotor blade (110) comprising a half shell (134) with a spar cap (138) and a first shear web (140), wherein- the first shear web (140) is connected to the spar cap (138), which extends in a spanwise direction (120) of the wind turbine rotor blade (110) and has a center line (121),- the first shear web (140) has a first portion (140a) starting in a rotor blade root portion (114), and a subsequent second portion (140b),- the first portion (140a) is orientated at an angle (α) to the center line (121) such that - starting from the rotor blade root end (126) - a distance (154) of the first shear web (140) to the center line (121) of the spar cap (138) decreases along the first portion (140a).

Method of manufacturing a half shell of a wind turbine rotor blade (110), the method comprising the following steps: a) providing a mold for the half shell, b) placing a fiber layer into the mold, c) placing a stack of prefabricated pultruded planks and a core element on top of the fiber layer, wherein the core element has an end face, said end face having at least two projections being integrally formed with the core element, and the core element is arranged with the end face on a lateral side of the stack in such a way that by means of the at least two projections a gap is formed between the core element and the stack, and d) supplying resin into the mold during a vacuum infusion process.

The present disclosure provides a display panel and a display device, which relates to the field of display technologies, for optimizing the design of a shift register and reducing the space of the shift register occupied by the shift register in a panel bezel. The display panel includes: a pixel circuit including a first transistor and a second transistor; and a shift register including a plurality of cascaded shift units. The shift unit includes a first terminal and at least one second terminal, and the first terminal and the second terminal output different signals. the first terminal is electrically connected to a gate of the first transistor, and the second terminal is electrically connected to a gate of the second transistor.

The method is for operating an energy storage system (200) which comprises an energy storage device (240) having a serial connection of energy storage cells (242). The energy storage system further comprises a plurality of contact points (244, 246, 248) across the serial connection for measuring a parameter (P) as well as a charging circuit (214) for charging the energy storage device. The method comprises a step of providing first information (I1) which is representative of an outcome of an operation performed on at least one measured value (M) of the parameter across at least one pair of contact points. In a further step, second information (I2) is provided which is representative of an outcome of an operation performed on at least one reference value (D) of the parameter across the at least one pair of contact points. The at least one reference value is the value of the parameter expected when the energy storage device is of a predefined type. Third information (I3) is determined depending on the first and the second information. The third information is representative of whether the energy storage system is of the predefined type. In a further step, operating information (OI_1, OI_2, OI_3) for the charging circuit is determined depending on the third information.

The invention concerns a device (200) for trimming a longitudinal edge (138) of a half shell (134) in a root region (114) of a wind turbine rotor blade (110), the half shell (134) being placed in a mould (140), the device (200) comprising- a holding frame (202), the holding frame (202) having a rail (206), a first support means (212) and a second support means (214), and- a trimming tool (208) which is displaceably guided on the rail (206) of the holding frame (202),wherein- the holding frame (202) is designed in such a way that it extends over the longitudinal edge (138) for trimming,- the first support means (212) is designed to support the holding frame (202) outside the half shell (134) on the mould (140), and- the second support means (214) is designed to support the holding frame (202) on the half shell (134) inside the mould (140) .The invention also concerns a system (300).

A wind turbine rotor blade comprising a blade root, a blade tip, a leading edge, a trailing edge, a suction side, a pressure side (22) and a heatable surface area including at least one electrical heating element, wherein the heatable surface area covers a section of the leading edge and has a first edge facing the blade tip, a second edge facing the blade root, a third edge arranged on the suction side and a fourth edge arranged on the pressure side (22), characterized in that the wind turbine rotor blade comprises a first layer of an electrically insulating material, wherein the first layer is smaller than the heatable surface area and is arranged on top of the at least one electrical heating element along the leading edge and such that it extends beyond the first edge.

The invention concerns a rain deflector (200) for a wind turbine rotor blade (110). The rain deflector (200) comprises a strand profile (202) formed as one piece. The strand profile (202) is made from an elastomer material. The rain deflector (200) is configured to be placed on an outer surface (130) of the wind turbine rotor blade (110) such that the strand profile (202) surrounds a root portion (114) of the wind turbine rotor blade (110). The invention also relates to a wind turbine rotor blade (110) .