A charge air duct for an internal combustion engine includes a housing with at least one entrance and at least one exit for charge air. A heat exchanger is arranged inside the housing to cool the charge air, a bypass is arranged on the housing to at least partially circumvent the heat exchanger and
A charge air duct for an internal combustion engine includes a housing with at least one entrance and at least one exit for charge air. A heat exchanger is arranged inside the housing to cool the charge air, a bypass is arranged on the housing to at least partially circumvent the heat exchanger and an actuator is arranged on the housing to influence the charge air flow. The charge air is guided from the entrance to the heat exchanger in a first position of the actuator and from the entrance to the bypass in a second position of the actuator, and the actuator at least partially reduces a cross-section of the charge air in a third position.
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1. A charge air duct for an internal combustion engine, comprising a housing which has at least one inlet and at least one outlet for charge air,a heat exchanger for cooling the charge air and being disposed in the housing and an additional heat exchanger for cooling the charge air and being dispose
1. A charge air duct for an internal combustion engine, comprising a housing which has at least one inlet and at least one outlet for charge air,a heat exchanger for cooling the charge air and being disposed in the housing and an additional heat exchanger for cooling the charge air and being disposed in the housing, the additional heat exchanger positioned downstream from the heat exchanger,a bypass for at least partially circumventing the heat exchanger and the additional heat exchanger, the bypass being disposed in the housing,a control element for influencing the charge air flow being disposed in the housing,in a first position of the control element, the charge air being routed from the inlet to the heat exchanger and the additional heat exchanger, andin a second position of the control element, the charge air being routed from the inlet to the bypass,whereinin a third position, the control element forms an at least partial reduction of a passage cross-section for the charge air, andthe housing comprises a U-shaped diverting region for diversion of the charge air, wherein the diverting region is disposed downstream of the heat exchanger and upstream of the additional heat exchanger. 2. The charge air duct according to claim 1, wherein the charge air duct is designed as an intake manifold of the internal combustion engine. 3. A charge air duct according to claim 1, wherein the control element is disposed in a substantially cylindrical duct, wherein the charge air flow is diverted by approximately 90° in the region of the duct. 4. A charge air duct according to claim 1, wherein the control member is designed as a roll that can be rotated about an axis. 5. A charge air duct according to claim 1, wherein the control member comprises a blocking surface, wherein the blocking surface has a geometric structure so as to reduce the passage cross-section. 6. A charge air duct according to claim 1, wherein the housing is composed of at least two housing parts. 7. A charge air duct according to claim 1, wherein a tie rod is provided on the housing, wherein the tie rod effects a reinforcement of a housing wall in the region of a gasket of the control member. 8. A charge air duct according to claim 1, wherein the control member is slidingly seated against at least one gasket. 9. The charge air duct according to claim 8, wherein the gasket is integrally cast with the housing. 10. A charge air duct according to claim 1, wherein the housing has a multi-wall design, at least in some sections, wherein a coolant flows between the housing walls. 11. A charge air duct according to claim 1, wherein the housing can be fixed to the internal combustion engine by way of two parallel rows of screw connections, wherein at least one of the screw connections passes through a part of the housing. 12. The charge air duct according to claim 11, wherein the heat exchanger is disposed between the parallel rows of screw connections. 13. The charge air duct according to claim 12, wherein an additional heat exchanger is provided, wherein the additional heat exchanger is disposed either between the parallel rows of screw connections or outside of the parallel rows of screw connections. 14. The charge air duct according to claim 13, wherein the heat exchangers have either varying lengths, or the same length, in a longitudinal direction transversely to the flow direction. 15. The charge air duct according to claim 13, wherein the charge air flow undergoes a diversion, of about 180°, after the upstream one of the two heat exchangers and before the downstream one of the two heat exchangers. 16. The charge air duct according to claim 15, wherein the charge air flow undergoes an additional diversion in a second diverting region, downstream of the two heat exchangers, in the manner a routing that is curved around the control element, or in the manner of a diversion by at least 90°. 17. A charge air duct according to claim 11, wherein the number of screw connections is either four or five. 18. A charge air duct according to claim 11, wherein a cavity is produced from the same material and integrally with the housing for the screw connection that passes through the housing in the manner of a groove or a tunnel. 19. A charge air duct according to claim 1, wherein, in addition to the control element, a throttle member is provided, by means of which in particular complete blockage of the charge air can be adjusted. 20. The charge air duct according to claim 19, wherein the throttle member comprises an electrically controllable actuator, which is provided in addition to an electrically controllable actuator of the control element, wherein the electrically controllable actuators of the throttle member and control element are directly coupled to each other electrically. 21. The charge air duct according to claim 19, wherein the throttle member and the control element are connected to each other by a coupling mechanism. 22. A charge air duct according to claim 1, wherein an additional heat exchanger is provided downstream of the heat exchanger, wherein in the second position, the charge air is routed through the bypass, circumventing the heat exchanger, and subsequently flows through the additional heat exchanger. 23. The charge air duct according to claim 22, wherein the heat exchanger is designed as a high-temperature heat exchanger and the additional heat exchanger is designed as a low-temperature heat exchanger. 24. The charge air duct according to claim 22, wherein, in a fourth position of the control element, the charge air is routed from the inlet to a second bypass, wherein the second bypass joins downstream of the additional heat exchanger. 25. A charge air duct according to claim 22, wherein, the control element is disposed substantially in one plane with the two heat exchangers, and also in a plane with the outlet of the charge air duct. 26. A charge air duct according to claim 22, wherein, the two heat exchangers and the outlet are disposed substantially in one plane, and wherein the control element is disposed outside of this plane and completely above or completely below the plane. 27. A charge air duct for an internal combustion engine, comprising a housing having an inlet and an outlet and a passage from the inlet to the outlet for charge air;a heat exchanger disposed in the passage and an additional heat exchanger disposed in the passage downstream from the heat exchanger;a bypass in the housing connecting the inlet to the outlet and bypassing the passage; anda control element in the housing having a first position for guiding charge air from the inlet to the outlet via the passage and a second position for guiding charge air from the inlet to the outlet via the bypass,wherein the housing comprises a U-shaped diverting region for diversion of the charge air, wherein the diverting region is disposed downstream of the heat exchanger and upstream of the additional heat exchanger. 28. The charge air duct according to claim 27, wherein the control element has a third position for substantially blocking charge air flow from said inlet to said outlet.
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이 특허에 인용된 특허 (4)
Rutke Peter,DEX ; Schneemann Jens,DEX, Arrangement for integrated handling of liquid and gaseous media for an internal combustion engine.
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