Abstract: A housing component for an electric motor is described, comprising a stator receptacle for a stator of the electric motor and an inner part which projects into the stator receptacle. The inner part forms a sleeve for receiving a shaft of the electric motor and an inner annular space, which is arranged between the stator receptacle and the sleeve. In addition, an electric motor with such a housing component is disclosed.

Abstract: An electric motor has a stator, a rotor surrounding the stator, a shaft connected to the rotor in a rotationally fixed manner, and a housing. The housing has first and second housing components, which together enclose a motor compartment in which are arranged the stator and the rotor. A cooling channel extends in an interior space surrounded by the stator. A first end of the shaft is arranged in the motor compartment and a second end of the shaft protrudes from the housing. The first housing component has an inner part which protrudes into the stator. In accordance with this disclosure, it is envisaged that an insert is arranged in the interior space surrounded by the stator, which insert, together with the inner part of the first housing component, defines at least one section of the cooling channel.

Abstract: A rotor for an external rotor motor is described. The rotor has a back iron ring made of ferromagnetic steel, permanent magnets which are fastened to an inner side of the back iron ring, and a carrier made of non-ferromagnetic material which has a hub for a shaft and is fastened to the back iron ring. According to this disclosure, the carrier has a slot into which the back iron ring is inserted.

Abstract: A stator arrangement (10) for a radial flux motor (100) having an axis of rotation (100a). The stator arrangement (10) comprises a stator housing (20), a stator (40) and an encapsulation body (50). The stator housing (20) defines a circumferential portion (30) for receiving the stator. The stator (40) is arranged on the circumferential portion (30). Furthermore, the stator (40) is encapsulated in the stator housing (20), wherein the encapsulation body (50) is form-fittingly connected to the stator housing (20) in such a manner that the stator (40) is secured at least in the axial direction (2) in the stator housing (20) by the encapsulation body (50).

Abstract: An electric motor having a cooling channel which leads through an interior space surrounded by a stator and a housing comprises a first housing component, which forms a base opposite a first axial end of the stator, and a second housing component opposite a second axial end of the stator as a cover, and the first housing component has an inlet and an outlet for cooling liquid and an inner part which projects into the stator. The inner part forms a sleeve, in which the first end of the shaft is arranged, and the inner part also forms an annular space which is arranged between the stator and the sleeve, wherein a cooling channel section for cooling the stator extends in this annular space, and wherein at least one bearing of the shaft is arranged in the sleeve.

Abstract: Disclosed is an electric motor having a stator, a rotor surrounding the stator, a shaft connected to the rotor in a rotationally fixed manner, and a housing that surrounds the rotor and the stator. The shaft has a first end arranged in the housing and a second end projecting out of the housing. The rotor has a back iron ring and permanent magnets attached to the inside of the back iron ring. The rotor has a carrier via which the back iron ring is connected to the shaft and through which the shaft projects, and the carrier is attached to the shaft between the second end of the shaft and bearings. The bearings include a floating bearing and a fixed bearing.

Abstract: A rotor for an external rotor motor is described, with an annular stack of sheets made of steel, permanent magnets which are fastened to an inner side of the stack of sheets, and a carrier which has a hub for a shaft and is fastened to the stack of sheets. Brackets are arranged on an outer side of the stack of sheets and press the stack of sheets against the carrier in the axial direction. In addition, a method for manufacturing a rotor for an external rotor motor is disclosed.

Abstract: An electric motor has a stator and a rotor. A shaft is attached to the rotor and is supporting by a rolling bearing. The rolling bearing is a double-row angular rolling bearing.

Abstract: A rotor for an external rotor motor is described, comprising a stack of annular sheets made of steel, permanent magnets which are attached to an inner side of the stack of sheets, and a carrier which has a hub for a shaft and is attached to the stack of sheets. Tie rods are provided which project in the axial direction through the carrier and the stack of sheets and pull the stack of sheets against the carrier.

Abstract: A rotor for an external rotor motor is described, having a stack of ferromagnetic steel sheets, permanent magnets which are fastened to an inner side of the stack, and a carrier which has a hub for a shaft and is fastened to the stack. It is provided that the carrier is connected to the stack by a shaft-hub connection.

Abstract: A stator arrangement (10) for a radial flux motor (100) having an axis of rotation (100a). The stator arrangement (10) includes a stator housing (20), a stator (40) and an encapsulation body (50). The stator housing (20) defines a circumferential portion (30) for receiving the stator. The stator (40) is arranged on the circumferential portion (30). Furthermore, the stator (40) is encapsulated in the stator housing (20), wherein the encapsulation body (50) is form-fittingly connected to the stator housing (20) in such a manner that the stator (40) is secured at least in the axial direction (2) in the stator housing (20) by the encapsulation body (50).

Abstract: A method for balancing a rotor of an external rotor motor is described. The rotor has a back iron ring, permanent magnets attached to the inside of the back iron ring, and a carrier which is attached to the back iron ring and forms a hub for a shaft. Material is removed from the carrier at several points which are arranged at an axial distance from one another in order to eliminate imbalance.

Abstract: An electric motor has a shaft, a stator with windings, and a rotor surrounding the stator and having a back-iron ring. Permanent magnets are arranged on an inner side of the back-iron ring, and a carrier connects the back-iron ring to the shaft. A housing encloses the rotor and the stator and has an opening through which the shaft projects. The carrier has several circulation openings and several flow guide ribs for air circulation in one end face.

Abstract: A compressor includes a rotor module (10) which incorporates a compressor wheel (11) and a rotor (12) of an electric motor. The compressor also includes a stator (2) of the electric motor. The rotor module (10) has a hollow shaft (14). The rotor module (10) for the compressor is also included.

Abstract: The aim of the invention is to provide a component, preferably a component for a vehicle, which is as stable as possible and which has an optimized electromagnetic compatibility. This is achieved by providing a component comprising a base element, which comprises or is made of at least one composite element, and a shielding element for electrically and/or electromagnetically shielding the component, wherein the shielding element comprises or is made of one or more foils, for example one or more metal foils, and is connected to the base element.

Abstract: A bearing housing (1) of an exhaust-gas turbocharger (2), having a bearing cartridge (4), arranged in a bearing housing borehole (3), for a rotor (5), and having an oil film (6), which surrounds the bearing cartridge (4) on the outer circumferential surface (7) thereof. Provision is made of at least one decoupling/sealing element (8, 9), which is formed as a spring steel ring, and which is elastically tensioned between a first associated bearing cartridge end region (10) and an adjacently arranged bearing housing wall region (11).

Abstract: A turbocharger wheel (4) and shaft (1) assembly exhibits a frustoconical geometry of welding zone contact surfaces extending to the outer circumference of the shaft (1). This frustoconical geometry not only allows continuous centering of the parts (1, 4) during joining, it also eliminates the problem of stress propagation along a plane. The location of the electron beam is shifted so that only the radially outer segment of the frustoconical contact surface is joined by welding, leaving a radially inner unmelted and unfused zone for maintaining firm contact of the oblique surfaces.

Abstract: An exhaust-gas turbocharger (1) with a bearing housing (2), a bearing cartridge (8) inserted into the bearing housing (2), a shaft (7) which is mounted in the bearing cartridge (8) and which extends in an axial direction, a bearing housing cover (9) which is connected to the bearing housing (2), a turbine wheel (5) which is arranged on the shaft (7), and a compressor wheel (6) which is arranged on the shaft (7), wherein the bearing housing cover (9) is connected directly to the bearing cartridge (8) in order to secure the bearing cartridge (8) in the axial direction and against rotation.

Abstract: A method for manufacturing a shielding part comprising at least one metal shielding layer and a textile insulating layer, said method at least comprising steps a) providing a metal shielding layer and a textile insulating layer, and b) joining the textile insulating layer to the shielding layer using at least one punched rivet connection.

Abstract: An element for fastening a flat molded part composed of a thermoplastic material, which is to be positioned on or with at least one other component through a detent-engaging or clamping attachment of the element in at least one flush opening of the molded part and the at least one other component. In order to produce a fastening element, which is attached in captive fashion and can also be detached from a mold or demolded in a non-destructive fashion, it is proposed that the fastening element be integrally and flexibly connected to the molded part by means of a connecting piece.