Abstract: A device for additive manufacturing of a workpiece includes a production platform supporting a defined material layer of particulate material, a structuring tool, an inspection sensor, a control unit, and a position encoder. The inspection sensor has a line scan camera and a line light source and is movable along a movement direction relative to the production platform. The position encoder generates a position signal representing a respective instantaneous position of the inspection sensor relative to the production platform. The control unit generates a spatially resolved image of the defined layer using the line light source, the line scan camera, and the position signal. The control unit controls the structuring tool in order to produce a defined workpiece layer by selectively solidifying particulate material of the defined material layer based on the image of the defined material layer and/or an image of a previously produced workpiece layer.

Abstract: The invention relates to a method for processing tiled images in which a plurality of overlapping tile images Ci(x, y) of a sample are recorded by an optical device. The method is characterized in that an approach for Ci(x, y) and a model function in particular for a shading function Si(x, y) are predefined, correction factors are determined at support points in an overlap region of adjacent tile images, and the shading function Si(x, y) and unshaded sample images Bi(x, y) are determined at least approximately in each case. The invention additionally relates to an optical device.

Abstract: A cooling device for an energy store for cooling a cell group on both sides, having a first cooling unit for a first side of the cell group and a second cooling unit for an opposite second side of the cell group. The first cooling unit includes a first cooling area associated with the cell group, which is divided into a first and second sub-area in relation to a second direction, and the second cooling unit includes a second cooling area associated with the cell group, which is divided into a third and fourth sub-area in relation to the second direction. The first sub-area is opposite the third sub-area and the second sub-area is opposite the fourth sub-area, and the first and fourth sub-areas are located closer to an at least one supply port of a distributor arrangement of the cooling device than the second and third sub-areas.

Abstract: A housing device for a battery cell, including a housing adapted to enclose a battery cell, a first local weakening adapted to yield at a first pressure generated by the battery cell, and a second local weakening arranged at least partially above the first local weakening and adapted to yield at a second pressure generated by the battery cell.

Abstract: The present invention relates first to an illumination unit for an optical microscope. The illumination unit serves to illuminate a sample to be examined by microscopy using the microscope and comprises a multiplicity of individual light sources for this purpose. The illumination unit also comprises a multiplicity of light mixing elements, each having the shape of a solid or hollow pyramidal frustum with a bottom base, a top base, a lateral face and an axis. The individual light sources are each arranged above the top bases of the light mixing elements. The bottom bases of the light mixing elements together form a light exit surface of the illumination unit. The invention further relates to an optical microscope having the illumination unit according to the invention and to a method for using the microscope according to the invention.

Abstract: In a method for additive manufacturing of a workpiece, a data set defines the workpiece in multiple layers. A first energy beam is moved relative to a manufacturing platform along first trajectories to produce, in temporally successive steps, a stack of workpiece layers. Individual properties of the stack are determined using a measurement arrangement having an exciter that excites the stack with a second energy beam, and having a detector that detects properties of the stack resulting from an excitation along a defined detection path in a spatially resolved manner. At least one of the second energy beam and the detection path is moved relative to the manufacturing platform along further trajectories using a further scanning unit. The first scanning unit and the further scanning unit establish completely separate beam paths for the first energy beam and the at least one of the second energy beam and the detection path.

Abstract: A degassing channel arrangement for a battery of a motor vehicle for discharging gases from a battery cell of the battery, has and having at least one degassing channel. The degassing channel arrangement includes a carrier for a battery housing of the battery, which carrier is designed as a hollow profile and extends in a first direction. A channel wall of the degassing channel represents a first part of a carrier wall of the carrier, which surrounds a first carrier interior of the carrier, and a channel interior of the degassing channel represents at least a part of a first carrier interior, in which at least one first sealing unit is arranged, which separates in a sealing manner a first subarea of the first carrier interior from a second subarea of the first carrier interior comprising the channel interior of the degassing channel.

Abstract: An energy storage for a motor vehicle, including a housing on which a plurality of fastening positions are formed, at which a fastening receptacle is provided for a fastening element to be connected to a body component. At least some of the fastening positions, a first fastening receptacle and a second fastening receptacle positioned offset from the first are provided, the two fastening receptacles of the fastening positions are provided offset in a common direction.

Abstract: A gas discharge chamber for discharging gases from a motor vehicle battery. A gas emerging from the motor vehicle battery and introduced into the gas discharge chamber through an inlet opening can be passed through this to an outlet opening. The gas discharge chamber has a gas discharge channel arranged in a first region of its interior, which has a partially gas-permeable channel wall which separates the first region from a second region of the interior into which the inlet opening opens, at least partially, and the outlet opening opens into an interior of the gas discharge channel in the first region. A gas permeability of the channel wall varies depending on a distance from the at least one outlet opening.

Abstract: An emergency degassing arrangement for a motor vehicle, which has a gas discharge channel for discharging gases emerging from a battery cell from the motor vehicle into the surroundings of the motor vehicle, an outlet opening of the gas discharge channel located at one end of the gas discharge channel and opening into the surroundings, and an emergency degassing device which is arranged at the end of the gas discharge channel and has a closure. This closure comprises a flap which is rotatably mounted around a pivot axis for closing the outlet opening, and the flap is transferable from a closed position to at least one open position by rotating around the pivot axis, in which a gas flowing out of the outlet opening and partially flowing against the flap can be diverted by the flap.

Abstract: A cooling device for an energy store for cooling a cell group on both sides, having a first cooling unit for a first side of the cell group and a second cooling unit for an opposite second side of the cell group. The first cooling unit includes a first cooling area associated with the cell group, which is divided into a first and second sub-area in relation to a second direction, and the second cooling unit includes a second cooling area associated with the cell group, which is divided into a third and fourth sub-area in relation to the second direction. The first sub-area is opposite the third sub-area and the second sub-area is opposite the fourth sub-area, and the first and fourth sub-areas are located closer to an at least one supply port of a distributor arrangement of the cooling device than the second and third sub-areas.

Abstract: The invention relates firstly to a method for determining a mechanical deviation on a displacement path of an optical zoom lens, in particular on a displacement path of an optical zoom lens of a microscope. The optical zoom lens is arranged in a beam path between an object to be recorded and an electronic image sensor. In a first method step, an optical marker is introduced into the beam path at a position of the beam path located between the object to be recorded and the optical zoom lens, such that the optical marker passes the optical zoom lens and then is depicted on an image in which a position of the optical marker is detected and determined. This is compared with a reference position of the optical marker in order to determine the mechanical deviation on the displacement path of the optical zoom lens. The invention further relates to a method for correction of a displacement error of an image recorded by an electronic image sensor and to an electronic image recording device.

Abstract: A method for additive manufacture of a workpiece includes obtaining a dataset defining the workpiece in multiple workpiece layers. The method includes producing a respective layer and capturing an image of the layer. The method includes feeding the image to a statistical learning model to determine a defect vector of defect probabilities each indicating whether a respective layer defect is present. The method includes, in response to no layer defects being present, selectively solidifying the layer. The method includes, in response to at least one defect being present, reworking or reproducing the layer and repeating the recording and the feeding to determine the defect vector again. The method includes repeating the producing, the recording, the feeding, and the selectively solidifying such that further layers are produced one on top of the other. The respective material layers each are inspected using the previously trained statistical learning model.

Abstract: A battery module for an energy storage arrangement. The battery module has an underside for arrangement on a housing base of a battery housing, an upper side opposite the underside with respect to a first direction, at least one outer side that is different from the underside and the upper side, and at least one liquid sensor by which a liquid can be detected. In doing so, the liquid sensor has a measuring probe which is arranged on the outer side of the battery module and extends downwards in the direction of the underside of the battery module.

Abstract: A device for additive manufacturing of a workpiece includes a production platform supporting a defined material layer of particulate material, a structuring tool, an inspection sensor, a control unit, and a position encoder. The inspection sensor has a line scan camera and a line light source and is movable along a movement direction relative to the production platform. The position encoder generates a position signal representing a respective instantaneous position of the inspection sensor relative to the production platform. The control unit generates a spatially resolved image of the defined layer using the line light source, the line scan camera, and the position signal. The control unit controls the structuring tool in order to produce a defined workpiece layer by selectively solidifying particulate material of the defined material layer based on the image of the defined material layer and/or an image of a previously produced workpiece layer.

Abstract: An optical system includes an illumination module configured to illuminate a sample object with at least one angle-variable illumination geometry. The optical system includes an imaging optical unit configured to produce an imaged representation of the sample object that is illuminated with the at least one angle-variable illumination geometry on a detector. The optical system includes the detector, which is configured to capture at least one image of the sample object based on the imaged representation. The optical system includes a controller configured to determine a result image based on a transfer function and the at least one image. A method includes illuminating a sample object with at least one angle-variable illumination geometry, imaging the sample object on a detector, based on the imaged representation, capturing at least one image of the sample object, and, based on a transfer function and the at least one image, determining a result image.

Abstract: A degassing channel for a battery in a motor vehicle designed to be arranged on a cell pack of the battery, which cell pack includes at least one battery cell, which has a releasable cell-degassing opening. The degassing channel has a first channel wall with a releasable wall opening that is assigned only to the cell-degassing opening, which wall opening can be released by a gas pressure of a gas escaping from the assigned cell-degassing opening when the degassing channel is arranged on the cell pack, so that the escaping gas can be directed through the released wall opening into an interior of the degassing channel.

Abstract: An electrically operated vehicle having a traction battery installed on the underside of the vehicle and a body side structure which has a door entry region on a lateral rocker panel. The vehicle has at least one shielding element which at least partially closes a free distance between the underside of the vehicle and a vehicle standing plane in the event of battery damage, so that the door entry region is shielded from the damaged traction battery installed on the underside of the vehicle.

Abstract: The invention relates firstly to a method for determining a mechanical deviation on a displacement path of an optical zoom lens, in particular on a displacement path of an optical zoom lens of a microscope. The optical zoom lens is arranged in a beam path between an object to be recorded and an electronic image sensor. In a first method step, an optical marker is introduced into the beam path at a position of the beam path located between the object to be recorded and the optical zoom lens, such that the optical marker passes the optical zoom lens and then is depicted on an image in which a position of the optical marker is detected and determined. This is compared with a reference position of the optical marker in order to determine the mechanical deviation on the displacement path of the optical zoom lens. The invention further relates to a method for correction of a displacement error of an image recorded by an electronic image sensor and to an electronic image recording device.

Abstract: A detection optical unit (112) of an optical apparatus is configured to produce an imaged representation (151, 152) of a sample object (150) on a detector (114). An adjustable filter element (119) is arranged in a beam path of the detection optical unit (112) that defines the imaged representation (151, 152). A controller is configured to drive the adjustable filter element (119) to filter the spectrum of the beam path with a first filter pattern (301-308) and with a second filter pattern (301-308) and to drive the detector (114) to capture a first image, associated with the first filter pattern (301-308), and to capture a second image, which is associated with the second filter pattern (301-308). The controller is furthermore configured to determine a focus position (181) of the sample object (150) based on the first image and the second image. The first filter element (301-308) here defines a first line and the second filter element (301-308) defines a second line.