Abstract: An exhaust gas recirculation valve for an internal combustion engine includes a housing comprising an exhaust gas inlet and an exhaust gas outlet, and a valve closing body fastened to a valve rod. The valve rod is movable. A valve seat is arranged between the exhaust gas inlet and the exhaust gas outlet. A guide bushing comprising a first section guides the valve rod in the housing. A sealing ring is arranged at an end of the guide bushing remote from the valve closing body. The valve closing body is lowered onto the valve seat by a movement of the valve rod and lifted from the valve closing body by an opposite movement of the valve rod. A circumferential gap is formed between the valve rod and the guide bushing in the first section of the guide bushing directed toward the sealing ring.

Abstract: A valve device for an internal combustion engine includes a multi-part housing. A drive unit generates a rotational moment. The drive unit is arranged in a motor chamber. A transmission unit is arranged in a transmission chamber. An eccentric is configured to be driven by the transmission unit. A valve rod is configured to be displaceable in translation. The valve rod extends into a valve rod displacement chamber. A coupling element converts a displacement of the eccentric into a translational displacement of the valve rod. A valve seat is arranged between an inlet and an outlet. A valve closing body is attached to the valve rod. The valve closing body is configured to be lowered onto the valve seat and lifted off the valve seat. A cover is disposed between the eccentric and the coupling element. The cover is configured to separate the transmission chamber from the valve rod displacement chamber.

Abstract: An exhaust flap device for an internal combustion engine includes a flap housing and an actuator. The flap housing comprises an exhaust gas duct arranged in the flap housing. The exhaust gas duct is configured to have an exhaust gas flow there-through. An exhaust flap is arranged in the exhaust gas duct and is mounted in the flap housing. The exhaust flap is configured to rotate. A coolant duct is arranged in the flap housing so as to at least partially surround the exhaust flap. The actuator comprises an electric motor and an actuator housing which comprises an actuator coolant duct. The actuator is configured to drive the exhaust flap. The coolant duct arranged in the flap housing is configured to be in a direct fluid communication with the actuator coolant duct.

Abstract: A device for determining a gas mass flow rate includes a first sensor unit comprising at least one first temperature measuring element and a first heating element. A second senor unit comprises at least one second temperature measuring element and a second heating element. A control unit is configured to adjust the first heating element to a first controlled excessive temperature. The control unit is connected to the second heating element so that the second heating element is adjustable to a second controlled excessive temperature.

Abstract: A valve device for a hydraulic circuit includes an actuator unit, a valve unit and an opening. The actuator unit comprises an electromagnetic circuit comprising a movable armature, a core, a coil configured to be supplied with a current and a flux guiding means, and a space arranged in a valve interior between the armature and the core. The valve unit comprises an outlet, an inlet arranged between the outlet and the space in the valve interior, a valve seat arranged between the inlet and the outlet, and a valve closing body connected with the armature. The valve closing body is spring-loaded towards the valve seat. The opening is arranged at an end of the valve unit opposite to the space. The opening comprises a valve tappet arranged therein. The valve tappet is pressure-loaded and displaceable counter to the valve closing body in an opening direction.

Abstract: An actuating apparatus includes a housing, an actuating unit, a receiver element, and a transmitter element. The actuating unit comprises a first end with a circular arc-shaped contour whose circular arc central axis is configured to act as a first pivot axis. The actuating unit is configured to be moved via an actuator and to undertake a translational main movement and a pivoting movement. The translational main movement is superimposed by the pivoting movement. The receiver element is fixedly arranged in the housing. The transmitter element comprises a magnetic field. The transmitter element is configured to be translationally movable, to be biased so as to bear against the first end of the actuating unit, and to cooperate with the receiver element.

Abstract: A heat transfer device for an internal combustion engine includes an outer housing comprising an inner wall. An inner housing comprises a partition wall which comprises an outer surface. The inner housing separates an inner duct, which has a fluid to be cooled flow therethrough, from an outer coolant duct, which is formed between the inner housing and the outer housing. Fins extend from the partition wall into the inner duct. Recesses are formed on the outer surface. An inner wall is formed on a surface of the outer housing facing the coolant duct. Projections extend from the inner wall. The projections extend towards the recess on the partition wall so that a cross section of the coolant duct is substantially constant. The projections on the inner wall of the outer housing are formed by beads on the outer housing.

Abstract: A side channel blower for an internal combustion engine includes a housing comprising an inlet, an outlet, a first housing part, and a second housing part. The inlet and the outlet are fluidically connected via an inlet region, via at least one feed channel which extends at least partially in an annular shape in at least one of the first housing part and the second housing part, and via an outlet region. An impeller is rotatably mounted in the housing and is driven via a drive unit. The impeller comprises conveying blades which interact with a feed channel arranged opposite thereto. At least one interruption region is arranged between the inlet region and the outlet region. The at least one interruption region is configured to interrupt the at least one feed channel in a circumferential direction. The at least one feed channel comprises a circumferential angle of <300°.

Abstract: An electromagnetic pressure-regulating valve includes a housing comprising a first, a second and a third port, a valve seat, a valve closure member, an electromagnetic drive, and a biasing device. The electromagnetic drive comprises a coil wound on a coil carrier, an armature, a core, and an electromagnetic return-path device. The armature moves between a first and second end position and acts on the valve closure member. The biasing device is configured so that, when a current does not flow, the armature, and thereby the valve closure member, is positioned in a fail-safe setting on the valve seat so that a connection from the third port to each of the first and second ports is closed. The valve seat is connected via a fluid channel to the first and second ports. The armature is steplessly adjustable between the first and second end positions in every setting.

Abstract: A pressure control valve includes a housing comprising a reference pressure connection, a reference pressure chamber, a preliminary pressure connection, a preliminary pressure chamber, a control pressure connection and a control pressure chamber which are configured to cooperate with a control member moveable in an axial direction within the housing so as to adjust a desired control pressure between a preliminary pressure at the preliminary pressure connection and a reference pressure at the reference pressure connection. A driving device is configured to act on the control member. At least one first sealing device is configured to seal the reference pressure chamber against the control member. At least one second sealing device comprising a second sealing element is configured to seal the preliminary pressure chamber against the reference pressure chamber. At least one third sealing device is configured to seal the control pressure chamber against the preliminary pressure chamber.

Abstract: A valve device for an internal combustion engine includes a housing with an inlet and an outlet, a passage opening which fluidically connects the inlet with the outlet, a first valve-closing member which controls the passage opening, an actuator, a valve rod on which the first valve-closing member is arranged, a stop element, a spring surrounding the valve rod, and an element. A first end of the spring is supported against the first valve-closing member, and a second end of the spring is supported against the stop element. The element substantially surrounds the spring. The element comprises a first lateral surface and a second lateral surface in mutual engagement with each other. The first lateral surface abuts against the first valve-closing member and is movable therewith. The second lateral surface abuts against the stop element. The first valve closing member moves relative to the stop element.

Abstract: A valve device for controlling an exhaust gas flow of an internal combustion engine includes a housing comprising a channel which has the exhaust gas flow therethrough. A shaft is disposed in the housing. The shaft is rotatably mounted about a shaft axis. A flap is connected to the shaft. The flap controls a flow cross section of the channel. The flap comprises two flexurally rigid support plates. The support plates each comprise an outer periphery. An elastic flap body is arranged between the support plates. The elastic flap body comprises an outer periphery which is larger on all sides than the outer periphery of the support plates. A distance between the outer periphery of the elastic flap body and the outer periphery of the support plates is largest in an area of the shaft axis, and smallest at an angle of 90° relative to the shaft axis.

Abstract: A motor vehicle exhaust gas recirculation valve arrangement for an exhaust gas recirculation system of an internal combustion engine includes an electric drive motor, an intermediate shaft, an eccentric shaft, and a valve drive. The electric drive motor comprises a motor shaft and a motor pinion. The intermediate shaft comprises an intermediate shaft pinion and an output gear. The output gear is configured to mesh with the motor pinion. The eccentric shaft comprises an eccentric and a drive gear. The drive gear is configured to mesh with the intermediate shaft pinion. A valve drive comprises a valve plate, a valve rod, and a link. The link is configured to have the eccentric engage therein. The intermediate shaft is arranged laterally beside the eccentric shaft so that the eccentric and the link lie beside the drive motor.

Abstract: An exhaust-gas recirculation module for an internal combustion engine includes an outer housing, an exhaust-gas cooler comprising an inner housing arranged within the outer housing, an exhaust-gas recirculation valve arranged upstream of the exhaust-gas cooler, an exhaust-gas duct formed in the outer housing arranged upstream of the exhaust-gas recirculation valve, and a coolant channel arranged between the inner housing and the exhaust-gas duct.

Abstract: An arrangement of a valve in a bore of a duct housing includes the duct housing comprising the bore with a stepped design. A valve housing with a stepped outer diameter comprises an inlet and at least one outlet, and is plugged into the bore of the duct housing. A translational valve rod is arranged in the valve housing. At least one valve-closure member is arranged on the translational valve rod. The at least one valve-closure member corresponds with at least one valve seat. A bore diameter of the bore decreases when viewed from a plug-in direction of the valve housing. The stepped outer diameter forms an interference fit with the bore diameter in regions radially surrounding the at least one valve seat. Other regions of the stepped outer diameter have an outer diameter which is smaller than the respective radially surrounding bore diameter.

Abstract: A workpiece part for a housing assembly for connecting two workpiece parts via a joining zone includes a laser beam-absorbing material, and at least one rib element arranged in the joining zone.

Abstract: An electric switching valve for controlling a pneumatic actuator element includes a housing with a ventilation connection channel, a vacuum connection channel and a consumer connection channel. The vacuum connection channel comprises a first valve seat and the ventilation connection channel comprises a second valve seat. An electromagnetic drive is arranged in the housing. The electromagnetic drive is configured so that a magnetic armature is translationally movable in a passage channel to form a valve closure body for each of the vacuum connection channel and the ventilation connection channel. A cross-sectional constriction device is disposed in the ventilation connection channel.

Abstract: An electromagnetic drive for a valve includes a housing comprising at least one electromagnetic circuit comprising a coil wound onto a coil support, a valve closing member, at least one core, at least one magnetizable reflux member, an armature having an annular shape at least on a side facing away from the valve closing member, an adjustment device having an adjustment screw, and a device to fix the armature in a non-energized state. The armature moves between a first end position and a second end position so as to act at least indirectly on the valve closing member. The adjustment device adjusts a magnetic force. The adjustment screw is insertable through the at least the magnetizable reflux member or through the core into the armature. Supplying the coil with an electric current causes the armature to move into the first end position or into the second end position.

Abstract: A solenoid valve includes a valve sleeve comprising a valve seat, a valve closure element which acts on the valve seat, and a housing. Arranged in the housing is a coil, an armature, a core, and a multiple-part return-path arrangement, which form an electromagnetic circuit. The core is arranged on a side of the housing opposite to the valve sleeve and is wound onto a coil former. The coil former comprises a first portion with an internal diameter and a receiving bushing for the valve sleeve arranged on a side opposite to the core. A movable armature acts on the valve closure element. The armature is mounted in the coil former via a bearing and comprises parts including a first part directed toward the core having a diameter. The diameter of the first part is larger than the internal diameter of the first portion of the coil former.

Abstract: A solenoid valve includes a housing within which is arranged a coil wound onto a coil former, an armature, a core, and a multiple-part return path arrangement, which together form an electromagnetic circuit. The armature is configured to be movable and to act at least indirectly on a valve closure element mounted in the coil former via a bearing. The multiple-part return-path arrangement comprises at least one return-path cover section, a return-path side section and a return-path inner section.