Abstract: A valve drive includes a transfer arrangement with an intermediate lever arrangement having a first roller element and an intermediate lever, and a drag lever arrangement having a drag lever. The first roller element is connected to a circumferential contour of a camshaft. The intermediate lever includes a second roller element and a working curve connected to the drag lever. A slotted guide is provided for the intermediate lever arrangement which is engaged by a guide roller element. A torsion spring element with first and second ends engages the intermediate lever arrangement. The first end rests on the cylinder housing portion. The second end acts on a counter bearing rigidly connected with the intermediate lever. The first and second roller element axes are arranged to introduce a force into the intermediate lever which presses the guide roller element against the slotted guide and the first roller element against the camshaft.

Abstract: An intake system for an internal combustion engine includes a suction duct with a lateral bulge, an exhaust gas recirculation duct with a port into the suction duct, and a crankcase breather duct which extends into the lateral bulge in the suction duct.

Abstract: An automotive electric motor with a mechanical commutation. The automotive electric motor includes a stiff coil wire comprising a welding portion and an end portion which is arranged adjacent to the welding portion, and a flexible braid wire with a wire end which is electrically and mechanically connected to the stiff coil wire at the welding portion via a welding. The end portion of the stiff coil wire includes an end surface. The end portion of the stiff coil wire is bent in relation to the welding portion so that the end portion is bent away from the flexible braid wire and the end surface of the end portion of the stiff coil wire does not face the flexible braid wire.

Abstract: A regulating device for an internal combustion engine includes a housing in which is formed an exhaust gas recirculation pipe which opens into an intake pipe, and a regulating element eccentrically mounted on a shaft. The regulating element includes a first surface, a second surface, and guide ribs arranged on the second surface so that an exhaust gas flow flows into the intake pipe when the exhaust gas recirculation pipe is opened. In a first end position of the regulating element, where the intake pipe is at throttled upstream of an opening of the exhaust gas recirculation pipe, a normal vector of the first surface points to an upstream side of the intake pipe. In a second end position of the regulating element, where the exhaust gas recirculation pipe is closed, a normal vector of the second surface points to the exhaust gas recirculation pipe.

Abstract: A turbocharger includes a waste gate valve, a compressor, a turbine, a turbine housing which houses the turbine, a bypass channel which includes an opening cross-section, the bypass channel bypassing the turbine, a bypass channel portion formed in the turbine housing, an actuator housing which includes a separate first coolant channel having a coolant inlet port and a coolant outlet port, an electric motor arranged in the actuator housing, a transmission which includes an output shaft, the transmission being arranged in the actuator housing, and a control body coupled to the output shaft. The actuator housing is formed separately and is secured to the turbine housing. The control body controls the opening cross-section of the bypass channel.

Abstract: A coolant pump for an internal combustion engine. The coolant pump includes a delivery duct, a drive shaft, a coolant pump impeller arranged on the drive shaft to rotate therewith and to convey a coolant, and an adjustable control slide which controls a throughflow cross-section of an annular gap arranged between an outlet of the coolant pump impeller and the surrounding delivery duct. The control slide comprises a first pressure chamber arranged on a side of the control slide facing away from the coolant pump impeller and a second pressure chamber arranged opposite thereto. A control pump includes a control pump impeller arranged at the drive shaft to rotate therewith. A connecting duct fluidically connects the flow duct to the second pressure chamber. A pressure duct fluidically connects the flow duct outlet to the first pressure chamber. A valve opens and closes a throughflow cross-section of the pressure duct.

Abstract: A control device for an internal combustion engine includes an intake channel, an exhaust gas recirculation channel which enters into the intake channel, a control element, a mixing housing which forms the intake channel, a connection element, a compressor, and a shaft. The mixing housing has a mouth of the exhaust gas recirculation channel in a lower area, an outlet, a mixing housing section, and a bowl-shaped recess. The cross-sectional extension is formed via the mixing housing to provide an axial stop face. The connection element abuts against the axial stop face and is radially limited by an axially opposite inner wall surface on the stop face. The mixing housing section has a recess arranged at the lowest point of the mixing housing section and below the axially opposite inner wall surface. The recess enters into the bowl-shaped recess of the mixing housing.

Abstract: A control device for an internal combustion engine includes an intake channel with an inlet and an outlet, a control element, an exhaust gas recirculation channel with an opening, a recirculation channel, and a shaft having the control element eccentrically mounted thereon. The exhaust gas recirculation channel enters the intake channel. The opening of the exhaust gas recirculation channel is a valve seat for the control element. The shaft acts as an axis of rotation for the control element. A rotation of the shaft moves the control element between a first end position where the control element throttles the intake channel and a second end position where the control element contacts the valve seat at the opening of the exhaust gas recirculation channel. The axis of rotation is arranged in a plane which passes through the valve seat at the opening of the exhaust gas recirculation channel.

Abstract: A side-channel blower for an internal combustion engine includes a flow housing, an impeller which rotates in the flow housing, a drive unit which drives the impeller, a housing wall with a radially delimiting housing wall, impeller blades arranged in a radially outer region of the impeller, a radial gap arranged between the impeller and the housing wall, an inlet, an outlet, and two flow channels. The housing wall radially surrounds the impeller. The impeller blades open in a radially outward direction. The two flow channels connect the inlet to the outlet and are fluidically connected to one another via intermediate spaces between the impeller blades. An interruption zone is arranged between the outlet and the inlet which interrupts the two flow channels in a peripheral direction. A radial interrupting gap is arranged between the impeller and the radially delimiting housing wall in the entire interruption zone.

Abstract: A regulating device for an internal combustion engine includes an exhaust gas recirculation pipe which opens into an intake pipe which are both formed in a housing, and a regulating element eccentrically mounted on a shaft. The shaft is arranged perpendicular to a center line of the intake pipe and the exhaust gas recirculation pipe. The regulating element includes a first surface, a second surface, and guide ribs arranged on the first surface. In a first end position of the regulating element, in which the intake pipe is at least throttled upstream of an opening of the exhaust gas recirculation pipe, a normal vector of the first surface points to an upstream side of the intake pipe. In a second end position of the regulating element, in which the exhaust gas recirculation pipe is closed, a normal vector of the second surface points to the exhaust gas recirculation pipe.

Abstract: A method for controlling a coolant pump for an engine includes delivering a coolant via a coolant pump impeller into a delivery duct to a pump outlet, and adjusting the delivery based on a position of an adjustable control slide which controls a throughflow cross-section of an annular gap between the coolant pump impeller outlet and the delivery duct. A first pressure chamber on a side of the control slide is filled with a pressurized coolant to decrease the throughflow cross-section and the coolant volume flow delivered to the pump outlet, or a second pressure space arranged on an opposite side is filled with the pressurized coolant to increase the throughflow cross-section and the coolant volume flow delivered to the pump outlet. The control slide is moved into a defined position when the engine is switched off dependent on a coolant temperature and remains in that position until a restart.

Abstract: A coolant pump for an internal combustion engine includes a delivery duct, a drive shaft, a coolant pump impeller arranged on the drive shaft to covey a coolant into the delivery duct, a control slide which controls a cross-section of an annular gap arranged between an outlet of the coolant pump impeller and the delivery duct, a side channel pump with a side channel pump impeller arranged on the drive shaft and a side channel, a pressure duct comprising a cross-section which fluidically connects an outlet of the side channel to a first pressure chamber of the control slide, a valve which opens and closes the cross-section of the pressure duct, and a first housing part arranged to have the side channel be formed therein and the control slide slidingly guided thereon. The coolant pump impeller is integrally formed with the side channel pump impeller.

Abstract: An automotive electric motor with a mechanical commutation. The automotive electric motor includes a stiff coil wire comprising a welding portion and an end portion which is arranged adjacent to the welding portion, and a flexible braid wire with a wire end which is electrically and mechanically connected to the stiff coil wire at the welding portion via a welding. The end portion of the stiff coil wire includes an end surface. The end portion of the stiff coil wire is bent in relation to the welding portion so that the end portion is bent away from the flexible braid wire and the end surface of the end portion of the stiff coil wire does not face the flexible braid wire.

Abstract: A side-channel blower for an internal combustion engine includes a flow housing, an impeller which rotates in the flow housing, a housing wall which surrounds the impeller, a drive unit which drives the impeller, impeller blades arranged in a radially outer region of the impeller, a radial gap arranged between the impeller and the housing wall, an inlet, an outlet, two flow channels which connect the inlet to the outlet, and an interruption zone arranged between the outlet and the inlet which interrupts the two flow channels in a peripheral direction. The impeller blades open in a radially outward direction. A respective one of the two flow channels is respectively formed axially opposite to the impeller blades in the flow housing. The impeller blades each comprise a V-shaped cross-section.

Abstract: A flap device for an internal combustion engine which includes a flow housing with a housing wall which delimits a flow-through duct. The flap device includes a shaft mounted in the flow housing, a flap body rotatably mounted on the shaft, an actuator for the shaft, and a pressure measurement point. The pressure measurement point is arranged in a duct section of the flow housing so that the flap body traverses the pressure measurement point when rotating, and in a region of the flow housing remote from the shaft when viewed in a circumferential direction of the housing wall. A flap surface of the flap body is directed towards the pressure measurement point and is curved so that, in each rotary position, a tangent arranged at the position of the curved flap surface having a shortest distance to an opposite wall surface of the flow housing is parallel thereto.

Abstract: An adjustment element for a divert-air valve. The adjustment element includes an actuation element which moves translatorily, and a control body which moves with the actuation element. The control body includes a first hollow body and a second hollow body. The first hollow body includes an outer surface which is circumferentially closed so as to define an interior, a first axial end, and an annular plate which extends radially inward from the first axial end. The second hollow body includes a radially outer annular plate which is sealingly fastened in an encircling manner axially to the annular plate of the first hollow body, and a radially inner region in which an outer surface extends in a direction of the actuation element in the interior of the first hollow body.

Abstract: A turbocharger includes a waste gate valve, a compressor with a turbine, a turbine housing which houses the turbine, a bypass channel with an opening cross-section, a bypass channel portion formed in the turbine housing, an actuator housing with a separate coolant channel, an electric motor arranged in the actuator housing, a transmission with an output shaft, the transmission being arranged in the actuator housing and being provided as a worm wheel gear unit, and a control body coupled to the output shaft of the transmission. The bypass channel bypasses the turbine. The actuator housing is removably secured to the turbine housing. The control body controls the opening cross-section of the bypass channel.

Abstract: A valve unit includes a positioning device for converting a rotary motion into a linear motion, a valve rod, a drive unit, a drive shaft with an eccentric arranged thereon, a coupling element comprising a slot, and an output shaft arranged at the eccentric which moves in the slot of the coupling element. The valve rod is connected with the coupling element. The valve rod is linearly movable with the coupling element between an initial position where the valve is closed and an end position. The slot comprises a guide path which cooperates with the eccentric having an angle with a plane perpendicular to a direction of movement of the adjusting element. The initial position of the eccentric is a position which is located before a dead center existing for an axial movement of the output shaft. The dead center is passed during a rotational movement of the drive shaft.

Abstract: A flap device for an internal combustion engine includes a flow housing which delimits a flow duct, a shaft which rotates, a flap body attached to the shaft in the flow duct, an actuator which rotates the shaft and thereby the flap body in the flow duct, an actuator housing having the actuator arranged therein, a first bearing seat formed on the flow housing, a second bearing seat formed on the actuator housing, a first bearing arranged in the first bearing seat, and a second bearing arranged in the second bearing seat. The shaft projects into the actuator housing. The shaft is mounted at one side via the first bearing and the second bearing.

Abstract: An electromagnetic valve for an internal combustion engine includes a housing, an electromagnetic actuator arranged in the housing, the electromagnetic actuator having an electromagnetic armature and a core, a control element which is arranged to protrude axially out of the housing and which is connected to the electromagnetic armature so as to form a movable unit together therewith, the movable unit having a radial recess, and an arrangement which delimits an axial movement of the movable unit away from the core of the electromagnetic actuator. The arrangement includes at least one hook arranged on the housing. The at least one hook engages into the radial recess of the movable unit.