Abstract: A rotor of an electric asynchronous machine including a shaft, a rotor core and short-circuit rings attached to end faces of the rotor core. The shaft has an outer lateral radial surface, a cavity extending axially, at least one passageway located on the lateral surface, and at least one channel connecting the cavity to the passageway. The rotor core has at least one channel extending therein. At least one of the short-circuit rings is composed of at least two ring-shaped disks interconnected to form a disk pack. At least one disk of at least one short-circuit ring has recesses arranged such that a channel structure is formed in the short-circuit ring and is in fluidic connection with at least one channel of the rotor core and fluidically connects the at least one passageway on the shaft lateral surface to at least one channel of the rotor core.

Abstract: A device for measuring current intensities including a resistor arrangement, the resistor arrangement having at least two connection elements, at least one resistor element arranged between the connection elements, and at least one contact pin monolithically connected to one of the connection elements and being formed out of the material of the connection element. The device also includes a printed circuit board mechanically and electrically connected to the resistor arrangement, which printed circuit board has a side facing away from the resistor arrangement. The printed circuit board also includes at least one conductor track and at least one passage bore. The at least one contact pin of the resistor arrangement extends through the passage bore and has, on the side of the printed circuit board facing away from the resistor arrangement, a lateral widening. The lateral widening mechanically fixes the printed circuit board to the resistor arrangement.

Abstract: A resistor arrangement having a first electrically conductive connection element and a second electrically conductive connection element, a first resistance element which is electrically conductively connected to the first connection element, a second resistance element which is electrically conductively connected to the second connection element, an electrically conductive intermediate element arranged between the first resistance element and the second resistance element and connected with these resistance elements in an electrically conductive manner, wherein the connection elements, the resistance elements and the intermediate element are arranged side by side in a row. The connection elements and the intermediate element on the one hand and the resistance elements on the other hand formed of different materials, wherein the material of the first resistance element differs from the material of the second resistance element.

Abstract: A method for producing a device for measuring current intensities, including: providing a resistor arrangement having connection elements and a resistor element arranged therebetween in a current flow direction. The resistor element and the connection elements consist of different electrically conductive materials; forming a contact pin from the material of at least one connection element; positioning a printed circuit board with a conductor track and a passage bore on the resistor arrangement such that the contact pin projects through the passage bore and has on the side of the printed circuit board facing away from the resistor arrangement a protrusion; laterally widening the contact pin in the region of the protrusion by deforming the material such that the printed circuit board is mechanically fixed to the resistor arrangement; and producing an electrically conductive connection between the contact pin and the conductor track of the printed circuit board.

Abstract: A resistor assembly including at least two connector elements and at least one strip-like or plate-like resistor element arranged between the connector elements. The resistor element has an upper side, a lower side and two longitudinal sides parallel to each other. The at least one resistor element is of a material of which the electrical conductivity is lower than the electrical conductivity of the material of the connector elements. The resistor element has, on at least its upper side or at least its lower side, at least one shaped element as a positioning aid.

Abstract: A resistor arrangement for measuring current strength having connection elements and a resistor element between the connection elements. The connection elements and the resistor element are arranged in a plane and in a row such that the arrangement is strip-shaped and has its smallest spatial extent perpendicular to the current direction. The resistor element has two contact sides and the connection elements each have a contact face connected to the contact sides. When current flows through the arrangement, current flow lines are formed which are deflected at at least one of the contact sides by an angle of at least 5° at the transition from the connection element to the resistor element.

Abstract: A method for producing a device for measuring current strengths. The method includes providing a resistor arrangement with two connection elements and a resistor element arranged between the connection elements, molding a contact element from the material of the connection element or from the material of the resistor element. The contact element has an end face remote from the resistor arrangement and a cavity open on the end face. The method further includes providing a circuit board with a through-bore on whose inner surface electrically conductive material is present, positioning the circuit board on the resistor arrangement such that the contact element projects into the through-bore, and expanding the contact element in the radial direction using an expansion element inserted into the cavity of the contact element to establish an electrically conductive connection between the contact element and the electrically conductive material on the inner surface of the through-bore.

Abstract: A resistor assembly including at least two connector elements and at least one strip-like or plate-like resistor element arranged between the connector elements. The resistor element has an upper side, a lower side and two longitudinal sides parallel to each other. The at least one resistor element is of a material of which the electrical conductivity is lower than the electrical conductivity of the material of the connector elements. The resistor element has, on at least its upper side or at least its lower side, at least one shaped element as a positioning aid.

Abstract: An arrangement of components for transferring electric current from a current-feeding component to a current-discharging component, including a first component, which feeds current to the arrangement or discharges current from the arrangement. The first component includes a first metallic material and, on at least one surface, has at least one spring lamella composed of the first metallic material and machined out of the first metallic material at the surface. The lamella is machined out of the first metallic material at the surface of the first component such that it is connected monolithically to the first component in a connecting region and, starting therefrom extends as far as a free end and, when deflected out of a rest position toward the surface of the first component, exerts a spring force directed away from the surface. A second component is in immediate contact with the lamella of the first component.

Abstract: A method for producing a sliding element, providing a first band-shaped or strip-shaped metallic material of a thickness, wherein the first material has apertures which extend over the entire thickness of the first material, providing a second band-shaped or strip-shaped metallic material of a thickness, areally connecting the first band-shaped or strip-shaped material to the second band-shaped or strip-shaped material by laser roll cladding such that a band-shaped or strip-shaped composite material is formed, which has a longitudinal direction X and a transverse direction, and has a thickness oriented perpendicularly with respect to the longitudinal and transverse directions. The method further includes bending the composite material about an axis oriented parallel to the transverse direction of the composite material, such that a sliding element is formed which has cutouts on its running surface that are formed at least partially from the apertures of the first material.

Abstract: A method for producing a device for measuring current intensities, including: providing a resistor arrangement having connection elements and a resistor element arranged therebetween in a current flow direction. The resistor element and the connection elements consist of different electrically conductive materials; forming a contact pin from the material of at least one connection element; positioning a printed circuit board with a conductor track and a passage bore on the resistor arrangement such that the contact pin projects through the passage bore and has on the side of the printed circuit board facing away from the resistor arrangement a protrusion; laterally widening the contact pin in the region of the protrusion by deforming the material such that the printed circuit board is mechanically fixed to the resistor arrangement; and producing an electrically conductive connection between the contact pin and the conductor track of the printed circuit board.

Abstract: The invention relates to a sliding element consisting of a copper-zinc alloy containing the following components (in % by weight): 60.0 to 64.0% Cu, 0.2 to 0.5% Si, 0.6 to 1.2% Fe, optionally also up to a maximum 1.5% Sn, optionally also up to a maximum 0.25% Pb, optionally also up to a maximum 0.08% P, the remainder being Zn and unavoidable impurities. The copper-zinc alloy has a grain structure consisting of an ?- and ?-phase with a volume content of the ?-Phase of at least 90%, and iron silicides are embedded in the grain structure.

Abstract: An arrangement of components for transferring electric current from a current-feeding component to a current-discharging component, including a first component, which feeds current to the arrangement or discharges current from the arrangement. The first component includes a first metallic material and, on at least one surface, has at least one spring lamella composed of the first metallic material and machined out of the first metallic material at the surface. The lamella is machined out of the first metallic material at the surface of the first component such that it is connected monolithically to the first component in a connecting region and, starting therefrom extends as far as a free end and when deflected out of a rest position toward the surface of the first component, exerts a spring force directed away from the surface. A second component is in immediate contact with the lamella of the first component.

Abstract: A squirrel cage rotor, is made up of a shaft, a rotor laminated core with rotor bars which are arranged in the interior, and short-circuiting rings with clearances through which the bar ends of the rotor bars extend out of the rotor laminated core. The rotor bars, on their surface, at least partially have an electrical insulation layer, wherein the electrical insulation layer is cohesively connected only to the surface of the rotor bars. The squirrel cage rotor is intended, in particular, for use in an asynchronous machine.

Abstract: A resistor arrangement having a first electrically conductive connection element and a second electrically conductive connection element, a first resistance element which is electrically conductively connected to the first connection element, a second resistance element which is electrically conductively connected to the second connection element, an electrically conductive intermediate element arranged between the first resistance element and the second resistance element and connected with these resistance elements in an electrically conductive manner, wherein the connection elements, the resistance elements and the intermediate element are arranged side by side in a row. The connection elements and the intermediate element on the one hand and the resistance elements on the other hand formed of different materials, wherein the material of the first resistance element differs from the material of the second resistance element.

Abstract: A squirrel-cage rotor having at least one laminated rotor core and a method of manufacturing the same are provided. Short-circuit rings in the squirrel-cage rotor are provided with at least two metal composite discs. A metal composite disc includes at least a first metal disc and a second metal disc connected to the first metal disc, where the second metal disc is made of a different material from the first metal disc. Adjacent metal composite discs are arranged such that the first metal discs face one another. The short-circuit rings are attached at an end face to the rotor core. Conductive rotor bars are attached to the first metal disc in the region of slots arranged in the outer periphery of the short-circuit rings.

Abstract: A squirrel cage rotor having a shaft, a rotor plate stack with rotor bars arranged in the interior thereof, and cage rings, wherein at least one part of a cage ring includes a disk stack, which is constituted as a layered structure of disks with cut-outs, through which the ends of the rotor bars project out of the rotor plate stack. Adjoining disks in the disk stack are mutually spaced, and form a gap. The clearance between two adjoining disks, resulting from the gap, is constituted by moldings which are arranged on the disks wherein, in the gap, at least in the region of the moldings, a joint connection is provided.

Abstract: The invention relates to a sliding element consisting of a copper-zinc alloy containing the following components (in % by weight): 60.0 to 64.0% Cu, 0.2 to 0.5% Si, 0.6 to 1.2% Fe, optionally also up to a maximum 1.5% Sn, optionally also up to a maximum 0.25% Pb, optionally also up to a maximum 0.08% P, the remainder being Zn and unavoidable impurities. The copper-zinc alloy has a grain structure consisting of an ?- and ?-phase with a volume content of the ?-Phase of at least 90%, and iron silicides are embedded in the grain structure.

Abstract: A squirrel cage rotor, is made up of a shaft, a rotor laminated core with rotor bars which are arranged in the interior, and short-circuiting rings with clearances through which the bar ends of the rotor bars extend out of the rotor laminated core. The rotor bars, on their surface, at least partially have an electrical insulation layer, wherein the electrical insulation layer is cohesively connected only to the surface of the rotor bars. The squirrel cage rotor is intended, in particular, for use in an asynchronous machine.

Abstract: A method for producing an internally structured slide bearing bushing involves the following steps: a) providing a slide bearing bushing with at least one bearing region which is formed as a hollow cylinder with an internal surface and which has an external diameter and an internal diameter, b) providing an external tool with a through-opening, c) providing an internal tool which has an integral cylindrical operating region with an external surface with a structure, d) inserting the internal tool into the bearing region of the slide bearing bushing, e) introducing the slide bearing bushing and the internal tool into the conical widened portion of the through-opening of the external tool, f) pressing the slide bearing bushing into the through-opening of the external tool, g) removing the slide bearing bushing from the through-opening of the external tool, and h) radially widening the slide bearing bushing.