Abstract: The invention relates to a patient positioning device (1, 6, 28, 35) for an x-ray imaging apparatus (23), comprising an x-ray-transparent patient positioning board (5) for positioning a patient (21) in a longitudinal direction (8), and at least one carrier device (3) at least partially supporting the patient positioning board (5). The patient positioning board (5) is subdivided into at least two partial boards (4), wherein each partial board (4) is mounted on a carrier device (3) assigned to the partial board (4). Each carrier device (3) has at least one pivot joint for pivoting the partial boards (4) about a transverse axis (20) which extents horizontally perpendicularly to the longitudinal direction (8).

Abstract: A stator for an electric machine, comprising a stator core and a stator winding, wherein the stator core has a plurality of slots, which are spaced apart in a circumferential direction and have a depth running in the radial direction, and allows the arrangement of slot sections of the stator winding in a plurality of radially spaced-apart radial positions, wherein the stator has a strip-like winding unit comprising a first and a second winding conductor, wherein the two winding conductors run in a first and a second layer of the winding unit and each comprises: a plurality of straight slot sections which run in a transverse direction of the winding unit and are arranged in parallel, a plurality of first bent end sections which each interconnect two slot sections of the associated winding conductor and are arranged on a first longitudinal side of the winding unit, a plurality of second bent end sections which each interconnect two slot sections of the associated winding conductor and are arranged on a second l

Abstract: An electric machine for an electric drive train in a motor vehicle including a rotor that is rotatably mounted relative to a stator, the rotor having a rotor shaft with at least one first rotor member which is non-slidably arranged on the rotor shaft for conjoint rotation therewith, the stator having a first stator member and a second stator member which are spaced apart from one another; the first stator member has a first stator winding, and the second stator member has a second stator winding, the first stator winding being arranged within a first hydraulic chamber, and the second stator winding being arranged within a second hydraulic chamber, at least part of the stator windings being able to come into contact with a hydraulic fluid in the hydraulic chambers.

Abstract: A stator of an electric prime mover and to an electric prime mover having the stator. The stator includes a stator core and windings of at least one electrical conductor that are arranged annularly on the stator core, and at least one wet chamber through which a coolant flows, so that heat from at least one winding can be absorbed by the coolant. The stator and the electric prime mover constitute units which implement long-lasting and efficient cooling of the stator while using a small axial installation space.

Abstract: An electric machine, for an electric drive train in a motor vehicle, includes a rotor rotatably mounted relative to a stator, the stator having a first stator member with a first stator winding arranged within a first chamber, at least part of which is enclosed by a delimiting first casing component. The first casing component contains an electric connection element with a contacting member and a reception sleeve which extend therethrough such that a first portion of the reception sleeve protrudes into the first chamber and a second portion of the contacting member is contactable from the side of the first casing component facing away from the first chamber. The contacting member is secured in the reception sleeve, which is accommodated in the first casing component. The contacting body is fixed in the receiving sleeve, which is received in the first housing component.

Abstract: stator of an electric axial flux machine as well as to an electric axial flux machine. The stator of the axial flux machine includes a plurality of axially protruding stator teeth, a first winding being wound about at least one stator tooth, the first winding being surrounded on at least part of its radially outer face by at least one additional winding. The stator of an axial flux machine and the axial flux machine equipped with this stator afford durable units which combine an axially compact size with high performance.

Abstract: An electric machine, in particular an axial flux machine, including a rotor mounted in a dry chamber rotatable relative to a stator, the rotor having a rotor shaft with at least one first disk-shaped rotor member which is non-slidably arranged on the rotor shaft for conjoint rotation therewith, the stator having a first annular disk-shaped stator member and a second annular disk-shaped stator member which are arranged coaxially to one another and coaxially to the rotor shaft and are axially spaced apart from one another, the rotor being arranged in the space therebetween.

Abstract: An electric machine comprises a stator, a rotor and an air gap between the stator and the rotor. The stator includes a stator member, a stator winding, an insulating coating between the stator winding and the stator member to provide electric insulation between the stator winding and the stator member, and a local depression in the stator member. The insulating coating is disposed in the local depression. The local depression is located on a side of the stator member facing the air gap.

Abstract: A stator of an electric axial flux machine as well as to an electric axial flux machine are provided. The stator of the axial flux machine includes multiple axially protruding stator teeth, a first winding being wound about at least one stator tooth, the first winding being spaced from the stator tooth by at least one radial spacing element such that a gap is formed between a radially inner face of the first winding and the stator tooth in order for a cooling fluid to be able to flow therethrough. The stator of an axial flux machine and the axial flux machine equipped with this stator afford durable units which ensure efficient cooling and thus high performance.

Abstract: A rotor of an electric rotating machine, more particularly an axial flux machine, and an electric rotating machine equipped therewith. The rotor of the electric rotating machine, more particularly an axial flux machine, includes a plurality of magnets and a magnet carrier for fixing the magnets, with which carrier the magnets are positioned on a periphery with respect to a hub of the rotor. The magnet carrier extends radially outwards further than the magnets and has a first axial width at the periphery of the positioning of the magnets and forms a widened portion radially outside the magnets which has a second axial width which is greater than the first axial width. Using the rotor proposed here and the electric rotating machine equipped therewith, devices can be provided which, in a simple and cost-effective manner, guarantee efficient and low-wear operation.

Abstract: An electromagnetic element for an electric machine, having multiple slots arranged in the circumferential direction of the electromagnetic element, said slots extending in the axial direction of the electromagnetic element and having an open side in the radial direction. A coil device is arranged in the slots, said coil device having winding heads on (at least) one axial end face of the electromagnetic element, and a cooling channel is formed in the slots in order to dispense heat from the coil device using a fluid. A wall element is also provided which has a first region that is arranged in the region of the winding head in the circumferential direction. and a second region of the wall element, said second region adjoining the first region and having teeth which extend in the axial direction and are arranged on the open side of the slots in the intermediate spaces between the slots in the circumferential direction.

Abstract: A stator for an axial flux motor having a laminated stator core which is fastened to a flange, wherein the laminated stator core has a rear side which is interlockingly and frictionally fastened to a front side of the flange, and/or a cooling channel between the laminated stator core and the flange is formed in the region of the fastening. An axial flux motor is also provided having a rotor which is arranged between two stators, of which one or both are as described above.

Abstract: The invention relates to a handheld laser machining apparatus for machining a workpiece. The laser machining apparatus comprises a handheld apparatus (100) comprising an optical device for deflecting laser beams onto the workpiece, a supply unit (3) for open-loop or closed-loop control of the handheld device and/or for supplying power/fluid to the handheld device and a funnel (4) for coupling the handheld device to the workpiece. The invention also relates to a funnel (4) for a corresponding laser machining apparatus.

Abstract: A method for producing a stator for an electrical machine, the stator having a substantially hollow-cylindrical stator core, which has a plurality of grooves spaced apart in a circumferential direction, the method including: providing at least one strip-shaped winding unit having a first winding conductor with a plurality of groove portions running straight in a transverse direction that are mutually parallel; fastening a first end of the winding unit to a lateral surface of a mandrel; winding the winding unit onto the mandrel such that it is bent around the lateral surface of the mandrel spirally; inserting the mandrel, together with the winding unit, into a cavity in the stator core; and unwinding the winding unit from the mandrel with the groove portions of the winding unit being inserted into the grooves of the stator core.

Abstract: A stator for an electric machine, comprising a stator core and a stator winding, wherein the stator core has a plurality of slots, which are spaced apart in a circumferential direction and have a depth running in the radial direction, and allows the arrangement of slot sections of the stator winding in a plurality of radially spaced-apart radial positions, wherein the stator has a strip-like winding unit comprising a first and a second winding conductor, wherein the two winding conductors run in a first and a second layer of the winding unit and each comprises: a plurality of straight slot sections which run in a transverse direction of the winding unit and are arranged in parallel, a plurality of first bent end sections which each interconnect two slot sections of the associated winding conductor and are arranged on a first longitudinal side of the winding unit, a plurality of second bent end sections which each interconnect two slot sections of the associated winding conductor and are arranged on a second l

Abstract: The invention relates to a patient positioning device (1, 6, 28, 35) for an x-ray imaging apparatus (23), comprising an x-ray-transparent patient positioning board (5) for positioning a patient (21) in a longitudinal direction (8), and at least one carrier device (3) at least partially supporting the patient positioning board (5). The patient positioning board (5) is subdivided into at least two partial boards (4), wherein each partial board (4) is mounted on a carrier device (3) assigned to the partial board (4). Each carrier device (3) has at least one pivot joint for pivoting the partial boards (4) about a transverse axis (20) which extents horizontally perpendicularly to the longitudinal direction (8).

Abstract: The invention relates to an electric machine with a stator (1), with a rotor and with multiple machine coils (3). The electrical machine comprises a cooling device, which is suitable for cooling a superconducting material to at least below a transition temperature. Windings (4) of at least two machine coils (3) consist of the superconducting material and are assigned to different winding groups. The windings (4) are operatively connected with the cooling device, in order to cool the windings (4) to below the transition temperature. The electrical machine comprises an open-loop or closed-loop controlled power supply device, electrically conductively connected with the windings (4), for the supply of electrical power and controlling of the machine coils (2). At least two winding groups are each electrically-conductively connected with a separate, open-loop or closed-loop controlled power output stage (6) of the power supply device.

Abstract: The invention is directed to a method of generating and measuring transiently evoked otoacoustic emissions (TEOAE) acoustic signals generated in the cochlea using a scheme of stimulating both inner ears simultaneously, left ear alone, and right ears alone with at least two different first and second averaging buffers per ear in a switching scheme with automated detection of contralateral suppression of TEOAE via statistical analysis of the differences of suppressed and unsuppressed responses.

Abstract: A machine coil (1) for an electric machine (16) comprises at least one winding (3). The winding (3) comprises multiple winding layers (4), arranged respectively adjacent to one another and connected with one another in an electrically conductive manner, made of an electrical conductor. A heat conductor (6) is arranged between two winding layers (4) arranged adjacent to one another and is connected with at least one winding layer (4) in a heat-exchanging manner. At least one section (7) of the heat conductor projects out of the winding (3). A cooling pipe, connectable with a cooler, is arranged on the section (7) and connected with the section (7) in a heat-exchanging manner.

Abstract: The invention relates to an electric machine with a stator (1), with a rotor and with multiple machine coils (3). The electrical machine comprises a cooling device, which is suitable for cooling a superconducting material to at least below a transition temperature. Windings (4) of at least two machine coils (3) consist of the superconducting material and are assigned to different winding groups. The windings (4) are operatively connected with the cooling device, in order to cool the windings (4) to below the transition temperature. The electrical machine comprises an open-loop or closed-loop controlled power supply device, electrically conductively connected with the windings (4), for the supply of electrical power and controlling of the machine coils (2). At least two winding groups are each electrically-conductively connected with a separate, open-loop or closed-loop controlled power output stage (6) of the power supply device.