Abstract: An electrical machine including a stator, a rotor and a bearing arrangement having a first bearing and a second bearing on opposite sides of the stator as well as a shielding arrangement comprising a first shielding unit and a second shielding unit. The rotor is rotatably supported around a rotation axis by means of bearings. The shielding units are electrically conductive and comprise a ring part in each case that extends originating from a radial inner end to a radial outer end away from the rotation axis. Preferably each shielding unit has a circumferential part on its radial outer end that extends in a continuous ring-shaped manner around rotation axis and is arranged in overlapping manner with the adjacent axial end of stator winding in axial direction. The circumferential parts are preferably completely closed, whereas the ring parts can comprise through holes.

Abstract: An electric motor with a stator and an axle (20). The stator has a laminated stator core (10) formed from a multitude of individual teeth (11). At least some of the individual teeth (11) each have a radially inner pressing portion (13) for elastic and/or plastic deformation and establishment of a press-fit connection between the laminated stator core (10) and the axle (20). The stator is fixed to the axle (20) through the deformation of the pressing portions (13) and a force acting on the axle (20). At least one securing element (30) is on at least some of the pressing portions (13) to transmit a torque between the axle (20) and the laminated stator core (10) and fix the position of the laminated stator core (10) relative to the axle (20) in the circumferential direction (U).

Abstract: An electric motor (1), in particular, an external rotor motor, has a stator (10) with a stator core (11), a non-rotatably attached shaft (20), that extends in the axial direction (A) of the motor, and a rotor bell (30), rotatably arranged relative to the non-rotatable shaft (20). The rotor bell (30) has cooling ribs in an open, spoke-like design rotatably mounted on the shaft (20) by at least one first stator-side bearing shield (31). A cooling device (40) is arranged between and connects the shaft (20) and the stator core (11). The cooling device (40) has a plurality of axial flow openings (41) arranged in the circumferential direction that causes cooling when the motor rotates during operation.

Abstract: A stator for an electric motor, wherein the stator has a laminated stator core which is formed from a multitude of individual teeth that can be arranged in a ring around an axis of rotation of the electric motor and interconnected in the circumferential direction, wherein each individual tooth of the plurality of individual teeth is flanked on both sides along the circumferential direction by a further individual tooth from among the plurality of individual teeth and has a connection portion for mechanically fixing the individual tooth to the individual teeth by which it is flanked, and wherein at least some of the individual teeth each have a pressing portion for elastic and/or plastic deformation and establishment of a press-fit connection between the laminated stator core and a radially inner axle, so that, upon joining of the stator to the axle, the stator can be fixed to the axle through the deformation of the pressing portions and a force acting on the axle as a result of the deformation between laminat

Abstract: An external rotor motor (1) has a stator (10), a rotor (20) and a cooling wheel (30) that rotates with the rotor (20) and the stator (10) to cool the stator (10). The stator (10) has an inner portion (11), enabling fluid flow, and a surrounding outer portion (12) enabling fluid flow. The flow is fluidically separate from the inner portion (11) in the radial direction (X ). The cooling wheel (30) has a plurality of blades (33) to generate an overpressure and a negative pressure. The cooling wheel (30) generates a directed air flow (L) flowing from the outer diameter (32) of the cooling wheel (30) through the outer portion (12) and the inner portion (11) to the inner diameter (31) of the cooling wheel (30).

Abstract: An external rotor motor (1) has a stator (10) with a stator lamination (11), a shaft (20) and a rotor bell (30). The shaft (20) is attached in a non-rotatable manner and extends in the axial direction (A) of the motor. The rotor bell (30) is arranged such that it can rotate relative to the non-rotatable shaft (20). The rotor bell (30) is rotatably mounted on the shaft (20) by at least one first stator-side bearing shield (31) and a second rotor-side bearing shield (32). The stator (10) has a modular construction with a plurality of individual teeth (12) to attach the stator windings (16). The individual teeth (12) are attached to one another in the direction of rotation and/or to a central stator body (17) by a respective fastening contour (15, 18, 18a, 19, 19a), through which a fastening pin (15) extends.

Abstract: An electrical machine including a stator, a rotor and a bearing arrangement having a first bearing and a second bearing on opposite sides of the stator as well as a shielding arrangement comprising a first shielding unit and a second shielding unit. The rotor is rotatably supported around a rotation axis by means of bearings. The shielding units are electrically conductive and comprise a ring part in each case that extends originating from a radial inner end to a radial outer end away from the rotation axis. Preferably each shielding unit has a circumferential part on its radial outer end that extends in a continuous ring-shaped manner around rotation axis and is arranged in overlapping manner with the adjacent axial end of stator winding in axial direction. The circumferential parts are preferably completely closed, whereas the ring parts can comprise through holes.

Abstract: A crankcase for a reciprocating piston engine, in particular of a motor vehicle, includes at least first one wall region that has a greater wall thickness than at least one second wall region of the crankcase that adjoins the first wall region. The crankcase is produced from an aluminum alloy and by at least mainly laminar die casting and is heat-treated completely or heat-treated completely and additionally locally or heat-treated only locally.

Abstract: A crankcase for a reciprocating piston engine, in particular of a motor vehicle, includes at least first one wall region that has a greater wall thickness than at least one second wall region of the crankcase that adjoins the first wall region. The crankcase is produced from an aluminum alloy and by at least mainly laminar die casting and is heat-treated completely or heat-treated completely and additionally locally or heat-treated only locally.

Abstract: A cylinder head device for an internal combustion engine includes a cylinder head having a first receiving region arranged on an inlet side of the cylinder head for at least one first camshaft to be mounted on the cylinder head, and at least one second receiving region arranged on an outlet side of the cylinder head which faces away from the inlet side for at least one second camshaft to be mounted on the cylinder head. The receiving regions are separated from one another at least in certain areas by an intermediate wall of the cylinder head which is arranged at least in certain areas between the receiving regions. A duct element, by means of which at least one element of the cylinder head device can be supplied with lubricant, runs in the intermediate wall.

Abstract: An intake module an internal combustion engine of a motor vehicle includes at least one air duct element via which air is to be supplied to the internal combustion engine, and a cylinder head cover connected to the air duct element by means of which a cylinder head of the internal combustion engine is to be at least partially covered. A lubricant separation device and a cooling device for cooling the air are integrated into the intake module.

Abstract: The present invention relates to a wall ring for receiving in particular an axial fan, comprising an annular body with a flow inlet opening and a flow outlet opening and a central longitudinal axis X-X as well as an annular wall extending between both openings. The annular wall has a cavity which is enclosed by an outer wall and an inner wall, in which an electrical heating element may be secured at least over a partial area of the periphery of the annular wall. The annular body consists of at least two partial bodies which are formed by a division of the annular body in a separating plane that extends perpendicular to its longitudinal axis and are detachably connected to one another.

Abstract: A cylinder head device for an internal combustion engine includes a cylinder head having a first receiving region arranged on an inlet side of the cylinder head for at least one first camshaft to be mounted on the cylinder head, and at least one second receiving region arranged on an outlet side of the cylinder head which faces away from the inlet side for at least one second camshaft to be mounted on the cylinder head. The receiving regions are separated from one another at least in certain areas by an intermediate wall of the cylinder head which is arranged at least in certain areas between the receiving regions. A duct element, by means of which at least one element of the cylinder head device can be supplied with lubricant, runs in the intermediate wall.

Abstract: An arrangement of an air supply device on a cylinder head for an internal combustion engine involves the air supply device including an intake device for distributing air, which is to be supplied to combustion chambers of the engine, and a compressor for compressing the air. The compressor is fluidically connected to the intake device via an air duct element. The air supply device is mounted on the cylinder head and extends over the cylinder head from the intake device situated on an air side of the cylinder head, via the air duct element, to the compressor situated on an exhaust gas side of the cylinder head, forming an intermediate space that is delimited by the intake device, the air duct element, and the compressor. The cylinder head is at least partially situated in this intermediate space.

Abstract: In an internal combustion engine comprising a plurality of cylinders with at least one cylinder head including inlet channels extending from an inlet flange surface to a cylinder inlet and outlet channels extending from a cylinder outlet to an opening in an outlet flange surface and an oil chamber provided in the cylinder head for supplying lubricant to an actuation device for gas exchange valves, the inlet flange and the outlet flange have flat surfaces which are arranged at an angle relatively to each other so that the surface planes intersect above the cylinder head and the cylinder head, as a result, has an essentially triangular cross-section.

Abstract: In an internal combustion engine comprising a plurality of cylinders with at least one cylinder head including inlet channels extending from an inlet flange surface to a cylinder inlet and outlet channels extending from a cylinder outlet to an opening in an outlet flange surface and an oil chamber provided in the cylinder head for supplying lubricant to an actuation device for gas exchange valves, the inlet flange and the outlet flange have flat surfaces which are arranged at an angle relatively to each other so that the surface planes intersect above the cylinder head and the cylinder head, as a result, has an essentially triangular cross-section.

Abstract: An intake module an internal combustion engine of a motor vehicle includes at least one air duct element via which air is to be supplied to the internal combustion engine, and a cylinder head cover connected to the air duct element by means of which a cylinder head of the internal combustion engine is to be at least partially covered. A lubricant separation device and a cooling device for cooling the air are integrated into the intake module.

Abstract: In an internal combustion engine having several combustion chambers formed in in-line cylinders wherein an air/fuel mixture can be combusted and which include a common cylinder head, with discharge passages formed within the cylinder head and extending to a common confluence zone in communication with a discharge manifold, the common confluence zone is delimited on a first side (A) by at least one cylinder head wall and a separate shell element on a second side mounted to the outside of the cylinder head, the shell element being curved funnel-like for conducting the exhaust gas away from the engine.

Abstract: In an internal combustion engine having several combustion chambers formed in in-line cylinders wherein an air/fuel mixture can be combusted and which include a common cylinder head, with discharge passages formed within the cylinder head and extending to a common confluence zone in communication with a discharge manifold, the common confluence zone is delimited on a first side (A) by at least one cylinder head wall and a separate shell element on a second side mounted to the outside of the cylinder head, the shell element being curved funnel-like for conducting the exhaust gas away from the engine.

Abstract: An electric motor, in particular an external rotor motor, comprising a stator which is attached by means of latching elements to a motor carrier using a plug-in joining operation. The elastic elements for isolating vibration are arranged in the connecting region between the stator and the motor carrier in a way that the stator is indirectly connected to the motor carrier by means of the elastic elements.