Abstract: The approach presented here relates to an analysis device for analyzing a viscosity of a fluid. The analysis device comprises a detection device and a provisioning device. The detection device is formed to determine the viscosity of the fluid using at least one Doppler parameter of a Doppler spectrum of the fluid. The provisioning device is formed to provide or transmit a viscosity signal that represents the viscosity determined by the detection device.

Abstract: The invention relates to a method for determining a flow rate of a fluid flowing through an implanted vascular assist system, said method comprising the following steps: a) carrying out a first pulsed Doppler measurement at a first pulse repetition rate by means of an ultrasonic sensor of the assist system; b) carrying out a second pulsed Doppler measurement at a second pulse repetition rate by means of the ultrasonic sensor of the assist system, wherein the second pulse repetition rate differs from the first pulse repetition rate; c) determining the flow rate using measurement results of the first pulsed Doppler measurement and the second pulsed Doppler measurement.

Abstract: A method for a cooperative radar sensor network having a plurality of individual radar sensors, for estimating an angle of a radar target or for preparing the radar sensor network therefor. An association that associates a control vector (A?) having bistatic components with each of a plurality of angles is determined. A measurement vector associated with a detected radar target is calculated, wherein the measurement vector has bistatic components.

Abstract: A method for operating a power generation device, including the steps of: providing that the power generation device includes a charge air compressor; detecting a charge air pressure downstream of the charge air compressor, and checking the charge air pressure downstream of the charge air compressor for a pressure drop; detecting an additional operating parameter of the power generation device which is correlated with the charge air pressure; evaluating the additional operating parameter in regard to a plausibility of a surge event having caused the pressure drop in the charge air pressure; and identifying the surge event of the charge air compressor if a drop in the charge air pressure—which is detected—is identified, and, based on the step of evaluating the additional operating parameter, the surge event is evaluated to be plausible for having caused the pressure drop in the charge air pressure.

Abstract: Rotor for an electric motor, having a rotor shaft and, mounted on the rotor shaft, a rotor core having a number of core laminations arranged along an axis of the rotor core. Each core lamination includes a central contoured aperture which is traversed by the rotor shaft and which includes at least two radially extending elevations and at least two cutouts positioned between the elevations, wherein, to form a press fit of the core laminations on the rotor shaft, a distance between the free ends of the elevations is less than a diameter of the rotor shaft, and wherein a duct extending peripherally on the rotor shaft is formed by the respective cutout in the successively arranged core laminations.

Abstract: The invention relates to a method for determining at least a flow velocity or a fluid volume flow (5) of a fluid flowing through an implanted vascular support system (1), comprising the following steps: a) carrying out a pulsed Doppler measurement by means of an ultrasonic sensor (2) of the support system (1), b) evaluating a measurement result from step a), which has a possible ambiguity, c) providing at least one operating parameter of a flow machine (3) of the support system (1), d) determining at least the flow velocity or the fluid volume flow (5) using the measurement result evaluated in step b), wherein the possible ambiguity of the measurement result is corrected using the operating parameter.

Abstract: A method for determining the speed of sound in a fluid in the region of an implanted, vascular support system includes sending an ultrasonic signal using an ultrasonic sensor, reflecting the ultrasonic signal on at least one sound reflector, receiving the reflected ultrasonic signal, and determining the speed of sound in the fluid using the ultrasonic signal. The at least one sound reflector may be visible in the field of vision of the ultrasonic sensor and arranged at a defined distance at least to the ultrasonic sensor or to a further sound reflector.

Abstract: A computer device and method for examining a radar system equipped with at least two transmitting and receiving units, each having at least two antenna elements. The method includes: selecting a first radar signal, emitted by a first transmitting and receiving unit of the radar system and received by a second transmitting and receiving unit of the radar system, and a second radar signal, which is emitted by the second transmitting and receiving unit and received by the first transmitting and receiving unit, ascertaining a phase difference between the first radar signal and the second radar signal and specifying alignment information with regard to a relative tilt of the first transmitting and receiving unit in relation to the second transmitting and receiving unit, taking into account the ascertained phase difference.

Abstract: A computer device and a method for examining a radar system equipped with at least two transmitting and receiving units which each include at least one respective antenna element. The method includes: defining at least one probability distribution for at least one object with respect to a probable position of the respective object in an angular spectrum based on radar signals transmitted by the at least two transmitting and receiving units, reflected on the at least one object and received by the transmitting and receiving units, determining an average width of the probability distributions in the angular spectrum defined within a given time interval and within a given angular range of the angular spectrum, and defining position information relating to a displacement of at least one of the transmitting and receiving units out of its respective target position taking into account the determined average width.

Abstract: A method for radar sensor data processing of radar sensor data of a radar sensor system detecting at least one target object in an environment of a carrier system. A radar sensor data processing system is also described.

Abstract: The approach presented here relates to an analysis device (100) for analyzing a viscosity of a fluid (217). The analysis device (100) comprises a detection device (110) and a provisioning device (115). The detection device (110) is formed to determine the viscosity of the fluid (217) using at least one Doppler parameter of a Doppler spectrum of the fluid (217). The provisioning device (115) is formed to provide or transmit a viscosity signal that represents the viscosity determined by the detection device (110).

Abstract: The invention relates to a method for determining a flow rate of a fluid flowing through an implanted vascular assist system (1), said method comprising the following steps: a) carrying out a first pulsed Doppler measurement at a first pulse repetition rate by means of an ultrasonic sensor (2) of the assist system (1); b) carrying out a second pulsed Doppler measurement at a second pulse repetition rate by means of the ultrasonic sensor (2) of the assist system (1), wherein the second pulse repetition rate differs from the first pulse repetition rate; c) determining the flow rate using measurement results of the first pulsed Doppler measurement and the second pulsed Doppler measurement.

Abstract: The invention relates to a method of making a thin construction element (10) in sandwich lightweight construction having a high-quality surface (26). Including the steps of deep drawing a substrate film, placing the deep-drawn film into a cavity of a die, introducing partially expanded particles onto the substrate, heating to completely expanded the particle foam, curing the expanded particle foam, and opening the die to remove the molded article.

Abstract: Brushless electric motor for an electric handheld power tool, wherein the electric motor has an end plate and a Hall board which is arranged on the end plate, wherein the Hall board is axially fixed to the end plate by an elastic O-ring.

Abstract: A sensor module as well as a method for manufacturing a sensor module for determining a property of a fluid, in particular for measuring air quality, comprises a printed circuit board, at least one sensor on the printed circuit board for measuring a parameter of the surrounding air and a housing for the printed circuit board. A part of the printed circuit board protrudes from an opening in the housing (10), wherein the at least one sensor (21, 22) is located on a front side of the protruding part of the printed circuit board. In addition, at least the front side of the protruding part of the printed circuit board, with the exception of a recess for the at least one sensor, is encapsulated with a filling compound. The sensor module can be used in an interior or an air duct of motor vehicles or buildings. In one embodiment, the sensor module measures temperature, relative humidity and gas concentration in a fluid, especially in the surrounding air.

Abstract: A building panel has a deep drawn transparent film having an inner face and a structure having solar cells on the inner face of the deep-drawn film. The structure has an inner face turned away from the film and an outer face on or closely juxtaposed with the inner face of the film. A reinforcement layer constituted as a mass of foamed granular particles is spread over the inner face of the structure in direct contact with the inner face of the structure without the interposition of an adhesive and is heat cured to the film.

Abstract: An end plate for an electric motor, having a receiving device with an inner lateral surface for receiving and holding at least one bearing, wherein at least four symmetrically arranged, radially extending elevations are positioned on the inner lateral surface of the receiving device such that there is a clearance for receiving and holding at least one sealing element between two internal elevations on the inner lateral surface and two external elevations on the inner lateral surface.

Abstract: The invention relates, among other things, to a method of making a thin panel (10) for outdoor applications, comprising, among other things, the following steps: a) providing a deep-drawable film (10) of a transparent plastic, b) deep-drawing the film (11) in a mold (34), c) mounting a structure (19) having solar cells (32) on an inner face (16) of the deep-drawn film (12), d) placing the deep-drawn film (12) with mounted structure (19) in a cavity (33) of a mold (34) having in particular at least two mold halves (13, 14), e) introducing a liquid polyurethane casting compound (24) into the cavity (33) of the mold (34) and spreading the polyurethane casting compound (24) over an inner face (18) of the structure (19) and/or over the inner face (16) of the film (12), f) curing the polyurethane casting compound, in particular with the mold closed, to form a reinforcement layer (30), or comprising the following steps j) and k) instead of the steps e) and f): j) introducing a granular particle foam mass into the

Abstract: Positioning apparatus for an electric motor and bearing block, wherein the electric motor includes a rotor, a rotor shaft and a stator. The positioning apparatus is configured at least partially from an elastic material and in a substantially pot-like manner with an interior and can be positioned in a central recess of the bearing block for at least partially receiving a first end of the rotor shaft.

Abstract: Rotor for an electric motor, having a rotor shaft and, mounted on the rotor shaft, a rotor core having a number of core laminations arranged along an axis of the rotor core. Each core lamination includes a central contoured aperture which is traversed by the rotor shaft and which includes at least two radially extending elevations and at least two cutouts positioned between the elevations, wherein, to form a press fit of the core laminations on the rotor shaft, a distance between the free ends of the elevations is less than a diameter of the rotor shaft, and wherein a duct extending peripherally on the rotor shaft is formed by the respective cutout in the successively arranged core laminations.