Abstract: A dust extraction system for a power tool having a output shaft, a collet configured for engaging a tool bit and a collet nut engageable to the output shaft, comprises a base configured for mounting on the power tool, the base defining a cavity having an opening for passage of the output shaft therethrough and a discharge chute in communication with the cavity. The system further includes an impeller sized and configured to be rotatably received within the cavity, including a hub and a plurality of vanes emanating from the hub configured to draw dust from the workpiece into the cavity and to direct the dust through the discharge chute. A collet nut is integrated into the hub of the impeller so that the impeller can be directly mounted to the output shaft of the power tool while clamping the collet onto the tool bit.

Abstract: A method and an apparatus for diagnosing a discharge circuit, wherein provision is made for the discharge circuit for discharging an electrical system, in particular for discharging an electrical system of a vehicle capable of being electrically driven. In order to achieve this end, means are provided which partially discharge the electrical system by means of said discharge circuit in a procedural step for diagnosing said discharge circuit.

Abstract: A sensor includes a body having a sensor surface and an oblique surface. A sensor element is arranged on the sensor surface and configured to pick up a direction component of a directional measurement variable. At least one contact-making surface configured to make contact with the sensor element is arranged on the oblique surface. The oblique surface is at an angle with respect to a lattice structure of carrier material of the sensor and is oriented in a different direction than the sensor surface.

Abstract: A method for producing a component with at least one micro-structured or nano-structured element includes applying at least one micro-structured or nano-structured element to a carrier. The element has at least one area configure to make contact and the element is applied to the carrier such that the at least one area adjoins the carrier. The element is enveloped in an enveloping compound and the element-enveloping compound composite is detached from the carrier. A first layer comprising electrically conductive areas is applied to the side of the element-enveloping compound composite that previously adjoined the carrier. At least one passage is introduced into the enveloping compound. A conductor layer is applied to the surface of the passage and at least to a section of the layer comprising the first electrically conductive areas to generate a through contact, which enables space-saving contacting. A component is formed from the method.

Abstract: The invention relates to a method for producing an electronic assembly (1) having at least one electronic component (3, 4) and a shaped body (2) which at least partially surrounds the electronic component (3, 4), comprising the following steps: at least one electronic component (3, 4) is placed into an open mould (10), a first moulding material (21) and a second moulding material (22) are supplied to a cavity (13) in the mould (10), wherein the first moulding material is different from the second moulding material, and the mould (10) is closed, wherein the mould (10) is closed before or at the same time as the first and second moulding materials (21, 22) are supplied.

Abstract: A method for the resistive charge equalization of battery cells of a battery, includes, in a first step, ascertaining the state of charge of the battery cells ascertained and correlating the battery cells of which the state of charge exceeds a predefined value with a first mask, which permits charge equalization only for a predefined portion of all the battery cells, wherein, then, charge equalization is performed. In a second step, the state of charge of the battery cells is optionally ascertained again and the battery cells of which the state of charge exceeds a predefined value are correlated with a second mask, which differs from the first mask, and wherein, then, charge equalization is performed. As a result, the heat generated during charge equalization is distributed in space and time such that no local overheating of or damage to components occurs and no overtemperature disconnection of the battery occurs.

Abstract: A battery system has a battery with a plurality of battery modules which can be selectively activated or deactivated by means of actuation, wherein, in the activated state, the battery module voltage of a respective battery module contributes to an output voltage of the battery and, in the deactivated state, the battery module is uncoupled from the current path of the battery. The battery system comprises a circuit for charging the battery modules which has components which are arranged in accordance with a switching converter topology, which is integrated in the battery system in such a way that the battery modules can be charged independently of whether a respective battery module which is to be charged is in the activated or in the deactivated state. A method for charging battery modules, a method for balancing battery modules, and a motor vehicle include the battery system.

Abstract: Method for stamping multiple coil sides (96) for a stator winding (18), characterized in that the multiple coil sides (96) are arranged in a grooved row (90), the shaping process taking place at a force (F), the direction of which runs at an angle (?) greater than zero relative to the grooved row (90).

Abstract: A semiconductor device. The device including a substrate having electrical traces, at least one of a MEMS die and a semiconductor chip mounted on the substrate, and a spacer. The spacer has a first end connected to the substrate and includes electrical interconnects coupled to the electrical traces. The at least one MEMS die and a semiconductor chip are contained within the spacer. The spacer and substrate form a cavity which contains the at least one MEMS die and a semiconductor chip. The cavity forms an acoustic volume when the semiconductor device is mounted to a circuit board via a second end of the spacer.

Abstract: In a method for operating an electric device, which includes a first storage battery pack, a second storage battery pack and an electrical load, no more than one storage battery pack is discharged at any given time to operate the load. In the process, the storage battery pack to be discharged is selected as a function of a temperature of the first storage battery pack and a temperature of the second storage battery pack and/or as a function of an internal resistance of the first storage battery pack and an internal resistance of the second storage battery pack.

Abstract: A communication system which has a ring-shaped configuration and has at least two users. The users are connected to one another in series, one user being configured as the master and the remaining users being configured as slaves. The master is configured to transmit a data packet to one or multiple slaves. Each slave has a shift register. At least one user in the communication system includes a programmable hardware module, and at least one user in the communication system includes a memory arrangement. The programmable hardware module is configured so that it may be configured by reading out data of the memory arrangement.

Abstract: A method for operating an electric tool and an electric tool, the electric tool having an electric motor and a sensor, the electric tool having a rechargeable energy source for supplying the electric motor and the sensor with power, the sensor being switched to be currentless after the switching off of the electric motor.

Abstract: A device comprises a battery having a multiplicity of battery cells and a sensor system for the redundant determination of a battery current flowing through the poles of the battery. The sensor system comprises a current measuring device for detecting the battery current and providing a current measurement value. Furthermore, the device comprises a voltage measuring device for separately detecting a variation with time of the single-cell voltage of at least one battery cell and providing at least one variation with time of a voltage measurement value. Furthermore, the device comprises an evaluating unit which is configured for determining the battery current from the at least one variation with time of the voltage measurement value, providing a corresponding current value and comparing the current value with the current measurement value.

Abstract: A battery may include an electrode assembly including a first electrode and a second electrode, an electrode terminal, a current collecting member electrically connecting the electrode terminal and a first electrode uncoated region of the first electrode, a fixing member, and a case. The current collecting member may include a terminal connecting portion coupled to the electrode terminal and an electrode connecting portion extending from the terminal connecting portion. The electrode connecting portion may include an extending connecting plate and a current collecting piece extending from the connecting plate and being in contact with the first electrode uncoated region along sidewalls of the first electrode uncoated region. The fixing member may include a current collecting member coupling portion engaged with the current collecting member, the electrode connecting portion extending through the fixing member. The fixing member may be between the current collecting member and the case.

Abstract: The present invention relates to a device for introducing filling material (21) into capsules (22), comprising a filling device (25) for feeding filling material (21) to the capsules (22), a capsule holder (30) with at least one row of seats (31) in which the capsules (22) that are to be filled are arranged, a station arrangement with several stations arranged one after another, wherein the station arrangement comprises at least one filling station (5) and a synchronously operating drive, and a movement device which, at the capsule-filling station (5), executes a relative movement between the filling device (25) and the capsule holder (30), wherein the filling device (25) adopts, relative to the capsule holder (30), at least a first filling position for filling a first capsule and a second filling position for filling a second capsule.

Abstract: A circuit arrangement (16) for monitoring electrical isolation in a power supply system (7). Electrical isolation is provided between a high-voltage system (8) and a low-voltage system (9), wherein the high-voltage system (8) and the low-voltage system (9) are connected to ground (14), and wherein the high-voltage system (8) has a first connection (T+) for a first supply voltage potential and a second connection (T?) for a second supply voltage potential of a voltage source (10). In each case, at least one variable resistor (Rm1, Rm2) is connected between the connections (T+, T?) and ground (14), and a voltage measuring device (17) for detecting a potential shift of the ground (14) relative to the supply voltage potentials when at least one of the resistors (Rm1, Rm2) is varied. And an evaluation device, which determines the ability of the electrical isolation to function depending on the detected potential shifts.

Abstract: A method for the injection computation for an internal combustion engine, in particular for a gasoline range extender engine. This includes ascertaining an adaptation factor, which represents fuel aging, from a model of the fuel and a fuel outgassing via a tank vent and adaptation of a fuel injection quantity and/or a fuel injection time using the adaptation factor.

Abstract: A hose pump for delivering fluids includes a housing having a base body and a cover. A pump body for delivering a fluid is rotatably disposed in the interior of the base body about an axis. A locking device is disposed on the housing in order to release and lock the cover. The pump body comprises a plurality of rollers disposed at the circumference of the pump body and delivering a fluid present in a hose by rotating the pump body. The rollers clamp the hose against an inner surface of the cover, and the locking device is attached captively to the base body and displaceably relative to the base body, and can be actuated single-handedly. The cover is attached captively to the base body and displaceably relative to the base body of the housing, and can be actuated single-handedly.

Abstract: A method for determining the angular position of a synchronous machine having a magnetically anisotropic rotor includes an (m) iteration stage and an (n) iteration stage. The (m) iteration stage encompasses: generating an (m) magnetic field of an (m) angular direction and acquiring an (m) peak value of the current pulse generated by the (m) voltage pulse; and providing at least two further (m+i) peak values in different (m+i) angular directions that differ from the (m) angular direction. The (n) iteration stage includes: ascertaining the angular directions (n) and (n+1) in which the two highest or the two lowest peak values from a peak value group occur; and providing an (n) angular direction, which resides between the (n+1) angular direction and the (n+2) angular direction, as an angular position output.

Abstract: A measuring device, in particular a handheld measuring device, for the localization of objects enclosed in a medium, including at least one photometric sensor that obtains by way of the at least one photometric sensor a first measurement signal of the object to be examined, so that by evaluation of that measurement signal, information about an object enclosed in the medium is obtained, and at least one further sensor, for generating at least one further second measurement signal for obtaining information about the object enclosed in the medium. A method for the localization, by way of a photometric sensor, of objects enclosed in a medium.