Abstract: An electric motor with a motor shaft, a motor pinion and a sensor element for an optical rotary encoder which has at least one recess for the transmission of a light beam from the optical rotary encoder. The motor shaft, the motor pinion and the sensing element being integrally formed with one another and being coupled with the motor shaft in a rotationally fixed manner. Further, the sensor element has a drum-shaped design and is aligned coaxially with the motor pinion. The recess is formed in the sensor element in such a way that the light beam of the rotary encoder can pass radially relative to a rotational axis of the sensor element. The invention also relates to a medical device with such an electric motor.

Abstract: A housing for a motor-transmission unit with at least two housing sections which have in each case at least one accommodation segment for receiving a motor and an internally-toothed, internal ring gear segment for receiving a gear of a planetary gear unit, wherein the housing sections can be or are connected with each other and wherein, in the assembled state, the accommodation segments of the housing sections together form at least one accommodation compartment for holding the motor, and the internal ring gear segments of the housing sections together form an internal ring gear for mating with a gear on the planetary gear unit.

Abstract: A geared motor, comprising a direct current motor having a motor shaft, a planetary gear unit with sun wheels, planetary gears, a ring gear, a gear unit casing, a gear unit output shaft, and pinion cages. A plate axially holds the sun wheels, the planetary gears and the pinion cages in the gear unit casing. The plate has a shaft passage to form a preinstallation module. One of the sun wheels has a central shaft receptacle which is formed with a positive fit contour acting in the rotation direction and coupled in a rotationally fixed manner with the motor shaft via a corresponding positive fit contour; and wherein, in the preinstallation module, an engagement of teeth of one of the sun wheels with teeth of one of the planetary gears is provided both before and after a final installation of the direct current motor at the preinstallation module.

Abstract: A liquid pump/motor combination powered by an electric motor, preferably, an oil pump or reducing-agent pump with an electric motor, a positive displacement pump and a bearing shield arranged between the electric motor and the positive displacement pump. The liquid pump/motor combination comprises a positive displacement pump; an electric motor; and a bearing shield having a contact face, the bearing shield arranged between the electric motor and the positive displacement pump. A spherical bearing is accommodated in the bearing shield, the spherical bearing, under application of a force, being able to swivel to a limited extent. A connecting shaft is accommodated in the spherical bearing. The connecting shaft is positioned between the electric motor and the pump. An annular bearing gap, filled with liquid, is between the inside diameter of the spherical bearing and the connecting shaft. The arrangement functions as a hydrodynamic sliding bearing.

Abstract: A set for the manufacture of epicyclic gear trains with different gear reductions, including at least one planet carrier, which features at least two first holes arranged on a first circular line, and at least two second holes arranged on a second circular line, and at least one first cover ring for a first gear reduction and at least one second cover ring for a second gear reduction, each of which features at least two bearing holes for receiving bearing pins of planet gears, wherein the first cover ring features at least two connecting pins for connecting to the first holes of the planet carrier, and the second cover ring features at least two connecting pins for connecting to the second holes of the planet carrier. In addition, the invention relates to a gear assembly that is formed from such a set.

Abstract: A series for an epicyclic gear train and a planet gear carrier consisting of a carrier base with a plurality of axial receptacles for bearing pins of planet gears and a depression for receiving an axial section of a pinion. The object of the present invention is to specify a planet gear carrier, which shifts the boundaries of the reduction range such that a greater variation of the reduction gear ratios is possible, wherein an economical process is used and reliable production is ensured. Also described is a series of planetary gear trains having the same properties.

Abstract: An electronically commutated direct current motor with a housing, a housing cover, a bearing shield, a rotor and a stator, wherein the rotor includes a shaft and a permanent magnet and the stator consists of single terminals, which are provided with terminal insulation. The direct current motor ensures a space-saving construction connection of motor components or components with the housing of the electronic commutated direct current motor, conforming to its class, wherein additional connections or sealing elements are not required, wherein a firm and sealed connection can be manufactured upon demand and an easy integration of other functions and interfaces is possible.

Abstract: A stator of an electronically-commutated DC motor, with a stator core, an insulating cap, a stator winding, and a winding interconnection, wherein the winding interconnection consists of several sheet-metal elements and several insulating elements which are arranged between the sheet-metal elements. The aim of the invention is to provide a simple design for a generic stator consisting of easy-to-manufacture and easily-shaped components, wherein production tolerances can be compensated for in a simple manner. A further aim consists of being able to use reliable and proven production processes which are also as easy as possible to monitor.

Abstract: A pump impeller consisting of at least three different material regions, wherein an impeller wheel with a hollow shaft defines a first material region, a bearing component defines a second material region, and a permanent magnet defines a third material region. The invention furthermore relates to a method for producing the pump impeller, and to a centrifugal pump with the pump impeller. The object of the invention is to provide a robust construction, optimal venting, secure attachment of the bearing component, economic production, and a possibility of axial length tolerance compensation given a pump impeller with plastic-bonded permanent magnets. Furthermore, an optimally accurate unbalance-reduced connection between the bearing component and the magnet material should be producible.

Abstract: A rotor device for an electric motor and/or generator with a rotor body and a plurality of magnets, wherein the rotor body comprises a rotor shaft seat and a plurality of magnet receptacles arranged coaxially with the rotor shaft seat. The magnets are rigidly positioned and mounted in the magnet receptacles by means of a plastic molding compound injected into the magnet receptacles, which plastic molding compound forms at least one cover element that covers the openings of the magnet receptacles at least partially. The cover element comprises at least one magnet wheel centering means and/or at least one magnet wheel alignment means.

Abstract: A gear housing for an epicyclic gear set, the gear housing including a hollow wheel having internal teething and a first front end with a first front-side joining surface; a housing cover having a second front end with a second front-side joining surface for longitudinally axially covering the hollow wheel; and a bonded connection for connecting the first front end to the second front end through the mating of the first and second front-side joining surfaces, at which the hollow wheel and the housing cover are connected to each other by a bonded connection, in particular, by heated tool welding, infrared welding, ultrasonic welding, or rotary friction welding.

Abstract: A magnet assembly in an electric drive having a shaft. The assembly includes a permanent magnet bonded in plastic and having two protrusions. An adapter has two protrusions and two recesses. The end face of the shaft has two cavities, which receive the two adapter protrusions to mount the adapter to the shaft. The two protrusions of the magnet are received in the recesses in the adapter in order to mount the magnet to the adapter. In another embodiment the shaft has an outer circumferential surface. Here, the adapter has a recess of a first shape and a second recess for mounting the adapter onto the outer circumferential surface of the shaft and the permanent magnet has a protrusion shaped to mate with the first shape of the first recess in the adapter, and the first recess is configured to receive the protrusion to mount the magnet to the adapter.

Abstract: A permanent magnet rotor of an electric motor, includes a laminated core having magnet pockets, the laminated core being composed of two partial laminated cores. A plurality of permanent magnets are held in a force-fitting manner in magnet pockets of the laminated core, the magnets extending over both partial laminated cores. Sheet metal tongues, which maintain the force fit of the permanent magnets, are deflected in the first partial laminated core in a first axial direction and in the second partial laminated core in a second axial direction opposite to the first direction, wherein the partial laminated cores consist of stamped metal sheets and the permanent magnets are pressed into the magnet pockets in the stamping direction.

Abstract: A drive including a commutator motor having a motor housing, an end shield secured to the housing, feedthroughs defined in the end shield, brushes mounted in the feedthroughs; and at least one stranded conductor forming a direct electrical and mechanical connection between a brush and the terminal contact arranged outside the motor housing.

Abstract: An electric motor, in particular a pump motor, made up of a permanent magnet rotor, a wound stator, having a stator laminate package, insulating elements and a stator winding, a motor housing made of plastic material and a component carrying a rotor bearing, in particular a pump head. It is an object of the invention to provide a generic motor with a reliable and economically feasible fastening of the stator to the motor housing, wherein heat expansion cracks are avoided and noise transmissions can be reduced.

Abstract: A stator of a three-phase electronically commutated DC motor, having a stator core, an insulating material body and a coil wire, wherein the stator core has a closed back iron and a plurality of stator poles pointing radially inwardly from the back iron, which contacts the insulating material body axially at the stator core, and covers both the back iron and also the stator poles. The stator is for a brushless DC motor designed in such a way that it is designed for a 48V on-board electrical system, being especially compact and nevertheless reliably preventing coil wires of different phases from touching each other and an economical production process being used.

Abstract: A pump motor having a permanent magnet rotor, a containment shell, a wound stator, a motor housing, a pump head, a shaft, which is secured in the containment shell on the one hand and in the pump head on the other hand, and a fixed bearing, which is pressed or injected into the permanent magnet rotor and rotatably mounts it on the shaft. The pump motor provides a reliable and economically producible bearing of the permanent magnet rotor on the shaft in a generic pump motor, in which the bearing abutting uniformly against the shaft over the entire bearing length and during a complete rotation can be achieved, small angle errors can be compensated, and noises can be reduced.

Abstract: A gearbox for a planetary gear having a hollow-cylindrical housing body having a first internal gear, and a bearing flange engaging at least in sections coaxially in the housing body, so that an overlap area is formed, wherein the housing body and the bearing flange are firmly bonded to each other in the overlap area by laser irradiation welding. The bearing flange has a second internal gear in the overlap area. The gearbox relates to a planetary gear and a motor/transmission combination having such a gearbox and a production method thereof.

Abstract: A method for producing a ring gear for a planetary gear train, wherein a continuous profile is produced by an extrusion process and the continuous profile is subsequently cut to a predetermined cutting length in order to form a ring gear body.

Abstract: A mechanical connection between a ring gear made of plastic, and a housing part, the mechanical connection includes a heat-shrunk tubing made of plastic, the heat-shrunk tubing positioned in a connecting region between the ring gear and the housing part to create a positive-locking and/or frictional connection between the ring gear and the housing part.