Abstract: An endoscope includes an endoscope body and a working channel for guiding medical tools and/or for the through-flow of media. The working channel extends in the longitudinal direction of the endoscope body and forms a working channel outlet in a distal end portion of the endoscope body. An endoscope head is arranged in a distal end region of the endoscope body and has at least one optical unit. The working channel is partially enclosed in the circumferential direction by a part of the endoscope body that is extensionally rigid in the radial direction, over a predefined circumferential portion, preferably one third to two thirds and more preferably more than half of the total circumference. The endoscope body is expandable at least in parts from a first state having a smaller cross-sectional area to a second state having an enlarged cross-sectional area.

Abstract: An optoelectronic component includes a layer configured to generate an electromagnetic radiation including a first wavelength; a second layer including a conversion material and a scattering material, wherein the conversion material is configured to shift the first wavelength of the electromagnetic radiation to a second wavelength, and the scattering material is configured to scatter the first wavelength to a greater extent than the second wavelength.

Abstract: A method of producing an optoelectronic component includes providing a lead frame subdivided by a separating region into first and second lead frame parts, carrying out etching in which at least one trench structure is produced on the upper side of the first lead frame, producing a molded body by molding a molding material around the lead frame such that 1) a cavity is formed and exposes a region of the upper side of the first lead frame part and a region of the upper side of the second lead frame part, and 2) the trench structure is provided on the upper side of the exposed region of the first lead frame part, and arranging the optoelectronic semiconductor chip on the upper side of the exposed region of the first lead frame part such that the trench structure is used as an alignment mark.

Abstract: An optoelectronic component includes a housing having a top side, wherein an anchoring structure which is a positive relief is arranged at the top side, a covering element is arranged above the top side and anchored at the anchoring structure, and the covering element completely covers the top side.

Abstract: A method of producing an optoelectronic component includes providing a lead frame subdivided by a separating region into first and second lead frame parts, carrying out etching in which at least one trench structure is produced on the upper side of the first lead frame, producing a molded body by molding a molding material around the lead frame such that 1) a cavity is formed and exposes a region of the upper side of the first lead frame part and a region of the upper side of the second lead frame part, and 2) the trench structure is provided on the upper side of the exposed region of the first lead frame part, and arranging the optoelectronic semiconductor chip on the upper side of the exposed region of the first lead frame part such that the trench structure is used as an alignment mark.

Abstract: An optoelectronic component includes a housing having a top side, wherein an anchoring structure which is a positive relief is arranged at the top side, a covering element is arranged above the top side and anchored at the anchoring structure, and the covering element completely covers the top side.

Abstract: A transversal flux machine having a stator and an external rotor disposed about the stator, the stator comprising two axial end faces, having an inner core of the stator, having a cooling path disposed radially within the inner core, wherein a cooling path either a) protrudes out of the transversal flux machine on the axial end face of the stator, said transversal flux machine facing away from an inlet side, or b) the cooling path protrudes out of the transversal flux machine on the axial end face of the stator, said transversal flux machine facing away from the inlet side, the cooling path running between the inlet and the outlet in an intermediate space between the stator and the external rotor of the stator facing the inlet side, the cooling path between the inlet and the outlet running in an intermediate space between the stator and the external rotor.

Abstract: In at least one embodiment of the optoelectronic semiconductor component (1), the optoelectronic semiconductor component has a support (2). At least one optoelectronic semiconductor chip (3) with a radiation outlet face (30) is applied onto a support upper face (20). A sacrificial layer (5) is located over the radiation outlet face (30) in the direction away from the support (2). A housing body (6) which has a housing upper face (60) is molded around the semiconductor chip (3) and/or around the sacrificial layer (5) in a lateral direction parallel to the radiation outlet face (30). A sacrificial layer (5) upper face (50) which faces away from the radiation outlet face (30) is free of a housing body (6) material.

Abstract: In at least one embodiment of the optoelectronic semiconductor component (1), the optoelectronic semiconductor component has a support (2). At least one optoelectronic semiconductor chip (3) with a radiation outlet face (30) is applied onto a support upper face (20). A sacrificial layer (5) is located over the radiation outlet face (30) in the direction away from the support (2). A housing body (6) which has a housing upper face (60) is molded around the semiconductor chip (3) and/or around the sacrificial layer (5) in a lateral direction parallel to the radiation outlet face (30). A sacrificial layer (5) upper face (50) which faces away from the radiation outlet face (30) is free of a housing body (6) material.

Abstract: A clutch has a stationary carrier, a first clutch member and a second clutch member. The first clutch member and the second clutch member are disposed so as to be rotatable about a common axis. The carrier has a coil arrangement, which is partially accommodated in a first partial core containing soft iron and which faces towards the first clutch member. The first clutch member has a second partial core, containing soft iron, having magnetic-flux poles that at least partially enclose the coil arrangement of the stationary carrier. The second clutch member has permanent-magnet elements, which face towards the magnetic-flux poles and which, are at least partially in alignment with at least some of the magnetic-flux poles. The first clutch member and the second clutch member are set up to transmit a torque and/or a rotary motion from the one clutch member to the other clutch member.

Abstract: A fluid injection valve having an inlet which is set up to receive fluid from a supply line and is connected to a chamber, a fluid outlet which is connected to the chamber, is set up to allow fluid to flow out of the fluid injection valve and has a valve arrangement having a valve seat and a valve element, wherein the valve element is set up to perform opening and closing movements relative to the valve seat, a linear actuator which is set up to move the valve element relative to the valve seat, and a spring arrangement which exerts on the valve element a force which is dependent on the fluid pressure prevailing in the chamber.

Abstract: A brake unit for a hydraulic, single-circuit or multi-circuit braking system of a land vehicle, with fluid on-off valves to be operated electrically, an electronic closed-loop/open-loop control circuit to provide control signals for the fluid on-off valves by which the hydraulic pressure in the brake circuits is modulated, a unit body, which consists of at least two ceramic boards connected to each other, and which has the fluid on-off valves, hydraulic connecting lines between the fluid on-off valves being incorporated in the boards, and at least one of the boards being used as the carrier board for electrical/electronic components and electrical connecting lines of the electronic open-loop/closed-loop control circuit.

Abstract: The invention relates to a transversal flux machine having a stator (13) and an external rotor (16) disposed about the stator (13), the stator (13) comprising two axial end faces (273, 276), having an inner core (107) of the stator (13), having a cooling path disposed radially within the inner core (107), characterized in that a cooling path either a) protrudes out of the transversal flux machine (10)on the axial end face (273) of the stator (13), wherein said transversal flux machine faces away from an inlet side (303), or b) the cooling path protrudes out of the transversal flux machine (10) on the axial end face (273) of the stator (13), wherein said transversal flux machine faces away from the inlet side, and wherein the cooling path runs between the inlet and the outlet in an intermediate space (265) between the stator (13) and the external rotor (16).

Abstract: In order to provide a compact and highly efficient electric machine having high power density, an electric machine excited by permanent magnets, comprising a stator and a rotor, is provided. The stator comprises a coil arrangement and the rotor has permanent magnet elements. The coil arrangement comprises a winding and surrounds a flux yoke. The flux yoke comprises at least one limb. Between every two limbs, flux guide parts are arranged that are spaced apart from each other and that are aligned with the ends of the limbs. Neighbouring permanent magnet elements have opposing magnetic orientations and are combined to form a magnet disc. On the side facing away from the limbs of the permanent magnet elements, flux guide parts are arranged. The limbs and the flux guide parts face the permanent magnet elements forming an air gap.

Abstract: In the drive train of a combustion engine an auxiliary arrangement is arranged which is to be coupled with an axial flow machine including a stator and a rotor, in order to perform an actuating movement. The stator has a coil arrangement, and the rotor has an essentially cup-shaped support for permanent magnet elements. The coil arrangement of the stator has at least one cylindrical winding and is at least partially enclosed by two essentially pot-shaped magnetic flux yokes. Each of the pot-shaped magnetic flux yokes has side areas with magnetic flux poles whose outsides are oriented towards the permanent magnet elements of the rotor. The magnetic flux poles of the stator are arranged spaced apart from the permanent magnet elements of the rotor. The magnetic orientation of neighboring permanent magnet elements towards the air gap alternates.

Abstract: A fuel injection valve for fuel injection systems of internal combustion engines, in particular for injecting fuel directly into a combustion chamber of an internal combustion engine, said fuel injection valve comprising a fuel inlet which is designed to allow fuel to flow into the fuel injection valve, and an actuating device which can be electrically activated and cooperates with a valve arrangement in order to discharge fuel into the combustion chamber in a directly or indirectly controlled manner via a fuel outlet the actuating device having a solenoid arrangement which is to be energized, a substantially magnetically soft magnet yoke arrangement which cooperates therewith, and a substantially magnetically soft magnet armature arrangement which cooperates therewith. The magnet yoke arrangement is constituted by at least two yoke discs. At least one of the faces of each yoke disc has at least one pole web which together with the solenoid arrangement acts upon the magnet armature arrangement.

Abstract: A linear actuator is provided with an armature and a stator. The armature has at least two stacks of permanently magnetic rods one over another, the stacks being arranged at a predetermined distance from each other. The stator is at least partly produced from a soft magnetic material, and comprises at least two pairs of teeth with teeth opposite each other, each pair of teeth receiving one of the two stacks between them while forming an air gap. The stator has at least two magnetically conducting inner areas which are located between the two stacks and arranged at a predetermined distance from each other in the direction of motion of the armature. The inner areas are each at least partially surrounded by a substantially hollow cylindrical coil arrangement, the central longitudinal axis of which is oriented substantially transversely to the direction of motion of the armature.

Abstract: The invention relates to a permanently-excited electrical machine with a stator and a rotor. The stator has a coil arrangement and the rotor is provided with permanent magnet elements, or the rotor comprises a coil arrangement and the stator is provided with permanent magnet elements. An air gap is formed between the stator and the rotor, which is defined by the permanent magnet elements and magnetically conductive teeth of the stator, which are aligned with these in certain positions. The coil arrangement comprises at least one hollow cylindrical winding which is at least partially accommodated in the stator. The rotor has a magnetic return on the sides of the permanent magnet elements, which are remote from the air gap. The magnetic return is formed of rings which are oriented in the circumferential direction of the rotor, and which in the axial direction of the rotor are not wider than individual ones of the permanent magnet elements.

Abstract: A gas exchange valve actuator for a valve-controlled internal combustion engine is equipped with a rotor, which is to be coupled to a valve member, and a stator, wherein the rotor has at least two stacks, which are arranged at a predetermined distance from one another, of superposed permanently magnetic bars, and the stator is formed, at least partially, from a soft-magnetic material and has at least two pairs of teeth with mutually opposed teeth, of which each pair of teeth receives one of the two stacks between them in each case, while forming an air gap, and wherein the stator has at least two magnetically conductive inner regions which are located between the two stacks and arranged at a predetermined distance from one another in the direction of movement of the rotor and which are at least partially surrounded, in each case, by an essentially hollow-cylindrical coil arrangement, the central longitudinal axis of which is oriented approximately transversely to the direction of movement of said rotor.

Abstract: In an electrical axial flow machine, comprising a stator and a rotor, wherein either the stator comprises a coil arrangement and the rotor is provided with permanent magnet elements, or wherein the rotor comprises a coil arrangement and the stator is provided with permanent magnet elements, the stator is arranged spaced from the rotor under the formation of an air gap, each of the magnetic flux yokes has several neighbouring magnetic flux poles, the coil arrangement has at least one hollow cylindrical winding which is at least partially encompassed by magnetic flux yokes, the magnetic flux poles each have an outside which is oriented to the permanent magnet elements beyond the air gap, neighbouring permanent magnet elements in the circumferential direction have an alternating magnetic orientation towards the air gap, at least several of the magnetic flux poles are in certain positions of the rotor relative to the stator at least partially oriented in alignment with the permanent magnet elements, the magnetic