Abstract: An energy storage element includes an electrode-separator assembly in the form of a cylindrical winding having an anode, a separator, and a cathode. The anode includes a ribbon-shaped anode current collector with longitudinal edges and a free edge strip. The cathode includes a ribbon-shaped cathode current collector with longitudinal edges and a free edge strip. The energy storage element further includes a housing closed in an airtight and liquid-tight manner. A first longitudinal edge corresponding to a first free edge strip forms an area on which a metal part covering a first end face of the cylindrical winding lies flat, and a bottom of the housing includes an aperture into which a projection of the metal part is inserted or through which the projection protrudes.

Abstract: An energy storage element includes a housing that defines a longitudinal axis and an interior and comprises a metallic housing cup and a cover assembly that closes the housing cup. A seal arrangement having a seal radially encloses the cover assembly and seals against the housing cup. An electrode-separator composite has an anode, a separator, and a cathode. The anode includes an anode current collector, and the cathode includes a cathode current collector. A contact plate part is seated on a protrusion of the anode current collector and covers the first terminal end face of the electrode-separator composite and is connected thereto or is seated on a protrusion of the cathode current collector and covers the second terminal end face of the electrode-separator composite and is connected thereto. The housing cup is formed without a tool engagement structure.

Abstract: A method of manufacturing an energy storage element includes providing an electrode-separator assembly, applying a contact sheet metal member to a terminal end face of the electrode-separator assembly, and welding a bridging sheet metal member onto the contact sheet metal member or fixing a bridging sheet metal member to the contact sheet metal member by forming an alternative material-locking connection or a form-locking connection. The method additionally includes inserting the electrode-separator assembly into a housing part and closing the housing part by a lid to form a closed housing. The method further includes welding the lid to the contact sheet metal member or to the bridging sheet metal member. The lid has at least one hole which, when the lid is welded on, allows pressure equalization between the two sides of the lid.

Abstract: The invention relates to a cemented carbide material, in particular hard metal, containing 70 to 95 wt %, preferably containing 80 to 95 wt %, tungsten carbide in dispersed form, and a binder phase, wherein the binder phase comprises metallic binder material, wherein the metallic binder material comprises Co, wherein the binder phase comprises intermetallic phase material and/or the dissolved elements Ni and Al, wherein the intermetallic phase material, if present, is formed according to the structural formula (M, Y)3 (Al, X), wherein M=Ni, Y?Co and/or another constituent and X=tungsten and/or another constituent, wherein the binder phase has the chemical element composition listed below: Ni>25 wt %, Al>4 wt %, the balance is made up of Co and dissolved binder constituents, for instance W and/or C. Such a cemented carbide material, is characterized by a high wear resistance and at the same time a high fracture strength.

Abstract: The invention relates to a method for producing a cemented carbide body, wherein in a mixing and/or grinding process, preferably in a wet grinding process, tungsten carbide powder (WC powder) and metallic binder material comprising cobalt powder (Co), nickel (Ni) and aluminum (Al) are mixed to form a powder mixture, wherein a green compact is pressed from at least a portion of the powder mixture and wherein the green compact is sintered in a sintering step under the influence of temperature and pressure in such a way that the cemented carbide body is formed after a cooling step following the sintering step.

Abstract: The invention relates to a cemented carbide material, in particular hard metal, containing 70 to 95 wt % tungsten carbide in dispersed form, and a binder phase, wherein the binder phase comprises metallic binder material and intermetallic phase material, wherein the proportion of metallic binder material in the cemented carbide material is 2 to 28 wt %, wherein the proportion of intermetallic phase material in the cemented carbide material is 2 to 28 wt %, wherein the metallic binder material comprises Co, wherein the intermetallic phase material is formed according to the structural formula (M,Y)3 (Al,X), wherein M=Ni, Y=Co and/or another constituent, and X=tungsten and/or another constituent. Such a cemented carbide material is characterized by particularly good wear resistance.

Abstract: An energy storage element includes a housing having a metallic, cup-shaped housing part with a housing bottom and a lid component that closes a terminal opening of the cup-shaped housing part. The energy storage element further includes an electrode-separator assembly arranged in the housing, the electrode-separator assembly comprising a first flat terminal end face, a second flat terminal end face, an anode with an anode current collector having a first edge and a second edge parallel thereto, and a cathode with a cathode current collector having a first edge and a second edge parallel thereto. The housing bottom has an aperture closed by a metallic membrane that acts as a primary protection device against internal overpressure, and at least one groove on its inside or outside that acts as a secondary protection device against internal overpressure.

Abstract: A contact sheet metal member includes a first contacting section for contacting a first component of an energy storage element, a second contacting section configured for contacting a second component of the storage element, and a connecting section disposed between the first contacting section and the second contacting section. The first contacting section, the second contacting section, and the connecting section have a top side and a bottom side. The top side of the connecting section faces the bottom side of the first contacting section and the bottom side of the connecting section faces the top side of the second contacting section. The member further includes a first bending zone and a second bending zone. The second contacting section has a recess or an aperture that forms a receptable for the first bending zone.

Abstract: An annular seal for a lid assembly of an energy storage cell includes an outer annular segment with two ends. The outer annular segment continues, at a first end of the two ends, into an inward-facing collar that narrows the outer annular segment at the first end. An inner edge of the inward-facing collar continues into an inner annular segment. The outer annular segment also has an inwardly pointing circumferential nose provided with an undercut. A lid assembly including such an annular seal, an energy storage cell including such a lid assembly, and an assembly of such energy storage cells are also provided.

Abstract: A patient mask including a body shaped to be placed over a face of a patient and configured to prevent the passage of viruses and/or particles therethrough and at least one port configured to receive an endoscope, a surgical instrument, or both and to conform to the shape of the surgical instrument such that the port prevents the passage of viruses and/or particles therethrough.

Abstract: The invention relates to a battery system, particularly for using in a local electrical grid, comprising: at least one battery module (1); an output terminal (2) which is electrically connected to the battery module (1) and used to charge and/or discharge the battery module (1) from and/or into the local electrical grid; a disconnector (3) which is arranged between the battery module (1) and at least one pole (21, 22) of the output terminal (2) and is designed to break the electrical connection between the battery module (1) and the at least one pole (21, 22) of the output terminal (2), when open; and a first signal circuit (41) which is designed to generate the triggering of the disconnector (3) in the event of a faulty state detected by the battery module (1) in such a way as to interrupt the electrical connection between the battery module (1) and the at least one pole (21, 22) of the output terminal (2).

Abstract: An energy storage element includes a sealed housing and an electrode-separator assembly disposed therein. The housing includes a metallic cup-shaped housing part having a housing bottom, a circumferential side wall, and a terminal opening, and a lid assembly closing the terminal opening of the cup-shaped housing part. One edge of an anode current collector or of a cathode current collector is electrically connected to the housing bottom and another edge is electrically connected to a contact sheet metal member which is directly seated on this edge. The lid assembly includes a metallic cover plate and a terminal pole which is guided through an aperture in the cover plate and is electrically insulated from the cover plate. The terminal pole is seated directly on the contact sheet metal member and is connected thereto by welding. Furthermore, the terminal pole is electrically insulated from the cover plate by a cured potting compound.

Abstract: A method determines damage which occurs on the vehicle in the event of an accident between a vehicle and a collision partner. The method analyzes information about an acceleration profile of the vehicle provided by an acceleration sensor. The analysis is performed as to whether the acceleration profile exhibits at least one sudden change or jump. The method generates an output signal which includes an item of information about damage which has occurred on the vehicle in the event of the accident, based on a number of changes or jumps which are identified during the analysis of the acceleration profile.

Abstract: A brake dust particle filter for an assembly with a brake disc is provided with a ring section-shaped housing that at least partially surrounds the brake disc in a mounted state. The housing has a housing interior. The housing is made of a metal material. The housing interior has a lowermost point and has at the lowermost point an axially embodied drainage cutout for drainage of a fluid out of the housing interior. The housing has an outwardly positioned, mostly axially expanding guide arranged at the drainage cutout for guiding the fluid. An assembly with a brake disc and a brake caliper arranged at the brake disc is provided with such a brake dust particle filter that is arranged at least partially in a bottom region of the brake disc.

Abstract: A blanking punch which extends from a first portion to a second portion along a blanking direction is provided. The second portion has a cutting edge. An engaging portion is provided/designed between the first portion and the second portion. The engaging portion enables the blanking punch to be removed from a workpiece counter to the blanking direction.

Abstract: A patient mask including a body shaped to be placed over a face of a patient and configured to prevent the passage of viruses and/or particles therethrough and at least one port configured to receive an endoscope, a surgical instrument, or both and to conform to the shape of the surgical instrument such that the port prevents the passage of viruses and/or particles therethrough.

Abstract: A method determines damage which occurs on the vehicle in the event of an accident between a vehicle and a collision partner. The method analyzes an item of information, which is provided by an acceleration sensor, about an acceleration profile of the vehicle. The analysis is performed as to whether the acceleration profile exhibits at least one sudden change or jump. The method generates an output signal which includes an item of information about damage which has occurred on the vehicle in the event of the accident, based on a number of changes or jumps which are identified during the analysis of the acceleration profile.

Abstract: The invention relates to a battery system, particularly for using in a local electrical grid, comprising: at least one battery module (1); an output terminal (2) which is electrically connected to the battery module (1) and used to charge and/or discharge the battery module (1) from and/or into the local electrical grid; a disconnector (3) which is arranged between the battery module (1) and at least one pole (21, 22) of the output terminal (2) and is designed to break the electrical connection between the battery module (1) and the at least one pole (21, 22) of the output terminal (2), when open; and a first signal circuit (41) which is designed to generate the triggering of the disconnector (3) in the event of a faulty state detected by the battery module (1) in such a way as to interrupt the electrical connection between the battery module (1) and the at least one pole (21, 22) of the output terminal (2).

Abstract: A blanking punch which extends from a first portion to a second portion along a blanking direction is provided. The second portion has a cutting edge. An engaging portion is provided/designed between the first portion and the second portion. The engaging portion enables the blanking punch to be removed from a workpiece counter to the blanking direction.

Abstract: A grinding element has an abrasive surface and an abutment surface which is offset by an offset from the abrasive surface. A grinding depth can be adjusted by changing the offset. The grinding element may be a grinding belt.