WO2011061102A1 - Abgasturbolader mit elektrischer stellvorrichtung für wastegate oder variable turbinengeometrie - Google Patents
Abgasturbolader mit elektrischer stellvorrichtung für wastegate oder variable turbinengeometrie Download PDFInfo
- Publication number
- WO2011061102A1 WO2011061102A1 PCT/EP2010/067194 EP2010067194W WO2011061102A1 WO 2011061102 A1 WO2011061102 A1 WO 2011061102A1 EP 2010067194 W EP2010067194 W EP 2010067194W WO 2011061102 A1 WO2011061102 A1 WO 2011061102A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- exhaust gas
- gas turbocharger
- actuator
- turbine
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/08—Insulating casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
- F02B37/183—Arrangements of bypass valves or actuators therefor
- F02B37/186—Arrangements of actuators or linkage for bypass valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/24—Control of the pumps by using pumps or turbines with adjustable guide vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/40—Application in turbochargers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Definitions
- the present invention relates to an exhaust gas turbocharger for an internal combustion engine, in particular of a motor vehicle, with an adjusting device for actuating a wastegate of a turbine of the exhaust gas turbocharger or a variable turbine geometry of a turbine of the exhaust gas turbocharger.
- waste gates or variable geometries which have adjustable guide vanes at the inlet of the turbine, can be controlled with the aid of adjusting devices.
- flap devices can be actuated with the aid of adjusting devices.
- exhaust valves or exhaust gas recirculation valves or fresh air valves can be actuated by means of adjusting devices.
- Such a control device has in the usual way an actuator and a housing for receiving the actuator.
- Said housing may for example have a housing opening which is closed by a lid. Since the actuators can be placed in the engine compartment in vehicle applications, they are thermally stressed.
- an actuating device for actuating a wastegate is exposed to comparatively high thermal loads, since a turbine whose bypass is to be controlled by means of the wastegate valve becomes comparatively hot during operation of the internal combustion engine equipped therewith.
- the housing known adjusting devices are made of metal.
- the present invention is concerned with the problem of providing an improved embodiment for an exhaust gas turbocharger with such a positioning device. admit that is characterized in particular by an inexpensive manufacturability.
- the present invention is based on the general idea to produce the housing of the adjusting device made of a plastic.
- the housing can be injection molded or produced by injection molding.
- the use of plastic to manufacture the housing results in reduced manufacturing costs compared to a metallic housing. It is clear that in this case plastics are used, which are characterized by a particularly high temperature resistance. This makes it possible to produce the housing comparatively inexpensive and with sufficient dimensional stability.
- PPS polyphenylene sulfide
- the plastic which is preferably PPS, be fiber-reinforced, wherein as reinforcing fibers in particular glass fibers and carbon fibers are used.
- the actuator may comprise an electric motor which is inserted into a motor receiving space of the housing, for which the housing has a first housing opening, through which the electric motor can be inserted into the motor accommodating space and which can be closed with a first lid.
- An electromotive actuator can be used more versatile than, for example, an actuator realized by means of a pressure cell.
- the wastegate or the variable turbine geometry can be better adapted to different operating conditions of the exhaust gas turbocharger.
- a further embodiment is expedient in which the first cover is made of a metal, for example of aluminum or of an aluminum alloy.
- the electric motor generates heat during its operation, which can now be radiated with the aid of the first cover in the environment of the adjusting device.
- this may be the first cover with the electric motor heat transfer in contact.
- the first cover can come into axial contact with an end face of the electric motor or of a motor housing which comprises a stator and a rotor of the electric motor therein.
- the contacting can take place directly or indirectly via a heat conducting paste or the like.
- the adjusting device may comprise an adjustable by means of the actuator actuator, which is drivingly connected to a drive member of the wastegate or the variable turbine geometry.
- the actuator actuator is drivingly connected to a drive member of the wastegate or the variable turbine geometry.
- Particularly advantageous may be provided to attach the housing of the adjusting device to a compressor housing of a compressor of the exhaust gas turbocharger and to connect by means of the actuator with the drive member, which is arranged on a turbine housing of the turbine spaced from the housing of the adjusting device.
- the compressor housing has compared to the turbine housing during operation of the exhaust gas turbocharger a significantly lower temperature than the turbine housing, since it is flowed through by fresh air and not by hot exhaust gases.
- the compressor housing has a mounting flange projecting therefrom, on which the housing of the adjusting device is arranged, on a side facing away from the turbine housing.
- the mounting flange which may be configured in particular plate-shaped acts as a heat shield, which prevents direct exposure of the housing of the actuator with heat radiation.
- the actuator may expediently extend through the mounting flange to the drive member.
- the mounting flange may have a corresponding passage opening.
- the actuator may be thermally isolated or thermally decoupled in drive communication with the drive member.
- the actuator includes a thermal insulator or at least partially consists of a thermal insulator.
- the actuator may comprise a transmission, wherein the housing of the actuator has a transmission receiving space in which the transmission is housed and having a closed with a second cover second housing opening.
- the transmission can in particular be drive-connected to the input side of the electric motor, while on the output side it is expediently drive-connected to the actuating element.
- the transmission receiving space may be formed in addition to the motor accommodating space in the housing, whereby a separate housing of the electric motor and transmission is made possible in the housing, which in particular allows or simplifies a thermal decoupling of the electric motor and transmission.
- the second lid can be made of plastic, in particular of the same plastic as the housing, and be welded to the housing.
- the actuator in particular the electric motor or the transmission may have at least one shaft which is rotatably mounted in a double-shell bearing.
- the respective two-shell bearing comprises a first bearing shell and a second bearing shell which is complementary to the first bearing shell and which, in a parting plane which comprises the Contains rotation axis of the respective shaft, abut each other to complete the respective camp.
- the first bearing shell is integrally formed on the housing, while the second bearing shell is integrally formed on the second cover.
- At least one electrical interface may be formed integrally in or on the housing. This design also simplifies the installation of the adjusting device.
- FIG. 1 and 2 each show a perspective view of an adjusting device, in various embodiments, 3 is a perspective view of an exhaust gas turbocharger with such a control device,
- Fig. 4 is a greatly simplified sectional view of a housing of the adjusting device in the region of a bearing.
- an adjusting device by means of which a wastegate 13 indicated in FIG. 3 or a variable turbine geometry 14 concealed in FIG. 3 can be actuated, comprises a housing 2 for receiving an actuator 3.
- the housing 2 has a first housing opening 4, which can be closed or closed by means of a first cover 6, and a second housing opening 5, which can be closed or closed by means of a second cover 7.
- the housing 2 is made of plastic.
- the housing 2 is injection molded. Polyphenylene sulfide, PPS for short, is preferred as the plastic. Consequently, the housing 2 is made of PPS.
- PPS polyphenylene sulfide
- it can be provided to produce at least one lid 6, 7 likewise made of plastic.
- the second lid 7 is made of plastic. It is expedient to make the second cover 7 of the same plastic as the housing 2. Accordingly, the second cover 7 is preferably also made of PPS.
- the two covers 6, 7 are detachably attached to the housing 2.
- the first cover 6 is fixed by means of screws 8 on the housing 2.
- the second cover 7 is fixed by means of screws 9 on the housing 2.
- Fig. 2 shows an embodiment in which the second lid 7 is welded to the housing 2.
- a friction welding process is preferred.
- an NIR method may be used to weld the second cover 7 to the housing 2.
- a laser welding method is also conceivable. While in the releasable connections additional sealing elements must be used to seal the housing 2 moisture-proof and dust-tight, can be dispensed with separate sealant between the housing 2 and cover 7 in the welded connection.
- the first cover 6 is also detachably attached to the housing 2 in the embodiment shown in FIG.
- a screw thread 1 1 is used in this case, wherein the first cover 6, for example, has an internal thread which is shaped complementary to a formed on the housing 2 external thread.
- the first cover 6 has a particularly large surface area.
- the plastic of the housing 2 may be made fiber reinforced. In principle, it is also possible to make the plastic from which the second cover 7 is optionally made fiber-reinforced. Reinforcing fibers which can be used particularly suitably are, for example, glass fibers or carbon fibers.
- the actuator 3 may have at least one shown in Fig. 4 navver constitue shaft 15 which is rotatably adjustable about an axis of rotation 10. Said shaft 15 may be mounted in the housing 2 in at least one integrally molded bearing 16. In addition, the actuator 3 may be equipped with a gear 17 arranged inside the housing 2, which likewise has at least one rotationally adjustable shaft 15, which is shown only in FIG. 4 and is likewise rotatable about an axis of rotation 10, which is of the aforementioned Rotation axis may differ. Again, can provide, said Shaft 15 of the transmission 17 to be stored in at least one integrally formed in the housing 2 bearing 16.
- the actuator 3 may, for example, according to FIG. 3, a bidirectionally adjustable actuator 18, said actuator 18 may be stored in at least one not shown here, integrally formed in the housing 2 bearing.
- the adjusting device 1 may include or include electrical components.
- the actuator 3 may have a hidden in Figs. 1 to 3 electric motor 19.
- a power electronics, not shown, for actuating the electric motor 19 may be arranged in the housing 2.
- sensors and the like may be arranged in the housing 2.
- At least one electrical interface 12 may be formed integrally.
- the interface 12 is configured in the example as a socket for receiving a plug.
- electrical and / or electronic components of the adjusting device 1 can also be encapsulated by the plastic of the housing 2.
- the aforementioned power electronics can be more or less embedded in the plastic of the housing 2.
- a circuit board carrying printed circuits and the like may be overmolded.
- electrical contacts can be partially encapsulated.
- routed electrical lines can be completely encapsulated, which can be dispensed with additional electrical insulation measures.
- sensors can be encapsulated in order to position them, for example, in the housing 2.
- spring elements, bearing elements, such as bearing shells, and the like can be overmolded by the plastic.
- the actuating device 1 presented here can be used in accordance with FIG. 3, for example for actuating a wastegate 13 of a turbine 20 of an exhaust-gas turbocharger 21.
- the plastic used namely PPS, remains dimensionally stable even at comparatively high temperatures, which enables its use in such environmental conditions.
- the adjusting device 1 presented here can be used, for example, for actuating a variable geometry 14 of the turbine 20 of the exhaust-gas turbocharger 21.
- a variable geometry 14 includes, for example, here unrecognizable vanes, which are adjustable in terms of their angle of attack or angle of attack.
- Such guide vanes are located, for example, in the turbine 20 of the exhaust gas turbocharger 21 at the inlet of a turbine wheel or in a compressor 22 of the exhaust gas turbocharger 21 at the outlet of a compressor wheel.
- such an actuating device 1 can also be used to actuate an exhaust valve or a fresh air valve or an exhaust gas recirculation valve. It is also conceivable to use the adjusting device 1 for actuating any other flap arrangement on an internal combustion engine, with fresh-air-side flap arrangements being preferred.
- an exhaust-gas turbocharger 21 for an internal combustion engine which can be arranged in particular in a motor vehicle, thus comprises an actuating device 1 which, in the example of FIG. 3, serves to actuate the wastegate 13.
- a control device 1 also to operate the variable turbine geometry 14.
- an adjusting device 1 comprises an actuator 3, of which in Fig. 3, only one actuator 18 can be seen.
- the actuator 3 is accommodated in the housing 2 of the adjusting device 1.
- Said housing 2 is made of plastic.
- the actuator 3 comprises an electric motor 19.
- the housing 2 is equipped with a motor receiving space 23 indicated in FIGS. 1 and 2, in which the electric motor 19 is inserted.
- the housing 2 has the first housing opening 4, which is closed with the first cover 6.
- the first cover 6 is made of a metal.
- the first cover 6 can be used to radiate heat, which is generated by the electric motor 19 or by an associated power circuit.
- the first cover 6 may be made of aluminum or of an aluminum alloy.
- the first cover 6 is designed as a screw cap having an internal thread 24 which is formed complementary to the aforementioned external thread 1 1, which surrounds the first housing opening 4.
- the first housing cover 6 allows heat radiation, which reduces the thermal load on the electric motor 19 and possibly the electronic power circuit.
- the actuator 3 drives the actuator 18, in particular according to a double arrow 25 bidirectional.
- Actuator 18, which is configured rod-shaped here is drive-connected to a drive member 26, which in FIG. 3 represents a component of wastegate 13 and, in another embodiment, may be a component of variable turbine geometry 14.
- the drive member 26 is formed by a drive lever which is pivotable about a pivot axis 27 in order to actuate the wastegate valve coupled thereto.
- the turbine 20 includes a turbine housing 28 in which a turbine wheel, not shown, is rotatably mounted.
- the turbine housing 28 has an exhaust gas inlet 29 and an exhaust gas outlet 30.
- the compressor 22 has a compressor housing 31 and has a fresh air inlet 32 and a fresh air outlet 33 or charge air outlet 33.
- the compressor housing 31 encloses a compressor wheel which is not visible here.
- Turbine and compressor are expediently drive-connected to each other via a common drive shaft also not visible, which is mounted in a bearing housing 34 which is arranged axially between the turbine housing 28 and the compressor housing 31.
- the housing 2 of the adjusting device 1 is attached to the compressor housing 31.
- the adjusting device 1 stands by its actuator 18 with the drive member 26 in connection, which is arranged on the turbine housing 28.
- the compressor housing 31 here has a mounting flange 35 which protrudes from the rest of the compressor housing 31, specifically radially with respect to a rotational axis of a rotor comprising the turbine wheel, the compressor wheel and the common shaft of the exhaust gas turbocharger 21.
- the housing 2 of the adjusting device 1 is arranged on a side facing away from the turbine housing 28 side.
- the mounting flange 35 covers a substantial proportion, ie more than 50%, and preferably more than 75%, of a turbine housing 28 facing the end face of the housing 2 of the adjusting device first
- the fastening flange 35 assumes the function of a heat shield for the plastic housing 2 of the adjusting device 1.
- the actuating member 18 is expediently passed through the mounting flange 35, for example, the mounting flange 35 includes a passage opening 36, through which the actuator 18 extends to the drive member 26 therethrough.
- a coupling member 37 which produces the drive connection between actuator 18 and drive member 26, be configured as a thermal insulator, whereby the actuator 18 is thermally decoupled from the drive member 28.
- the actuator 18 may include a thermally insulated portion 38, which may also be used to reduce heat transfer to the actuator 1.
- the actuator 3 may have a gear 17, which is housed in a direction indicated in FIGS. 1 and 2, enclosed by the housing 2 transmission receiving space 39.
- This transmission receiving space 39 is accessible through the aforementioned second housing opening 5, which is closed with the second cover 7.
- this second cover 7 is now just like the housing 2 made of plastic and welded to the housing 2 to hermetically close the transmission receiving space 39, in which the power electronics can be accommodated.
- the actuator 3 comprises at least one shaft 15, which may be a shaft of the electric motor 19 or a shaft of the transmission 17.
- a double-shell bearing 16 is formed in the housing 2 shown in FIG. 4 for supporting the shaft 15, in which the respective shaft 15 about the respective axis of rotation 10, which is perpendicular to the sectional plane of Fig. 4, rotatably mounted.
- This bearing 16 comprises a first bearing shell 40 and a complementary second bearing shell 41, which in the assembled Assembled state make the complete bivalve bearing 16.
- the first bearing shell 40 is formed integrally on the housing 2, while the second bearing shell 41 is formed integrally on the second cover 7.
- each bearing shell 40, 41 is in the mounted state, ie when mounted on the housing 2 second cover 7 in a parting plane 42 in a flat manner to each other, in which the rotation axis 10 is located.
- each bearing shell 40, 41 wraps around each 180 ° of the circumference of the respective shaft 15.
- a weld 43 is also indicated, via which the second lid 7 is fastened tightly to the housing 2.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supercharger (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112010004471T DE112010004471A5 (de) | 2009-11-18 | 2010-11-10 | Abgasturbolader |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910053830 DE102009053830A1 (de) | 2009-11-18 | 2009-11-18 | Stellvorrichtung, Brennkraftmaschine und Verwendung |
DE102009053830.5 | 2009-11-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011061102A1 true WO2011061102A1 (de) | 2011-05-26 |
Family
ID=43646164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/067194 WO2011061102A1 (de) | 2009-11-18 | 2010-11-10 | Abgasturbolader mit elektrischer stellvorrichtung für wastegate oder variable turbinengeometrie |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE102009053830A1 (de) |
WO (1) | WO2011061102A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113818958A (zh) * | 2020-06-19 | 2021-12-21 | 马勒国际有限公司 | 具有废气涡轮增压器和致动器的废气涡轮增压器组件 |
DE102014217333B4 (de) | 2013-08-29 | 2023-01-19 | Honda Motor Co., Ltd. | Mehrstufiges Turboladersystem für einen Verbrennungsmotor |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013226388A1 (de) * | 2013-12-18 | 2015-06-18 | Robert Bosch Gmbh | Verfahren zur Herstellung eines Motorgehäuses für eine elektrische Maschine |
DE102017110491A1 (de) * | 2017-05-15 | 2018-11-15 | Pierburg Gmbh | Stellvorrichtung für eine Verbrennungskraftmaschine |
DE102019204290A1 (de) | 2019-03-27 | 2020-10-01 | Mahle International Gmbh | Stellantriebsvorrichtung zum Verstellen eines Stellglieds, Antriebsschaltung für einen Stellantrieb, Fertigungsverfahren zur Herstellung einer Antriebsschaltung und ein gemäß dem Verfahren hergestelltes Kraftfahrzeugbauteil |
DE102019204291A1 (de) * | 2019-03-27 | 2020-10-01 | Mahle International Gmbh | Antriebsschaltung für einen Stellantrieb, Stellantriebsvorrichtung zum Verstellen eines Stellglieds, Fertigungsverfahren zur Herstellung einer Antriebsschaltung und ein gemäß dem Verfahren hergestelltes Kraftfahrzeugbauteil |
DE102021203784A1 (de) | 2021-04-16 | 2022-10-20 | Mahle International Gmbh | Steckadapter und Elektrogerät-Steckadapter-Anordnung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0765997A1 (de) * | 1995-09-27 | 1997-04-02 | Mitsubishi Denki Kabushiki Kaisha | Einrichtung zum Regeln des Aufladedrucks |
EP1349259A2 (de) * | 2002-03-27 | 2003-10-01 | Hitachi, Ltd. | Elektronisch gesteuerter Antrieb |
EP1688591A2 (de) * | 2005-01-25 | 2006-08-09 | BorgWarner Inc. | Steuerungs- und Verbindungssystem |
DE102006040667B3 (de) * | 2006-08-30 | 2008-01-10 | Siemens Ag | Waste-Gate-Aktuator für einen Abgasturbolader |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2724828C2 (de) * | 1977-06-02 | 1985-08-08 | Robert Bosch Gmbh, 7000 Stuttgart | Elektrisch ansteuerbare Stellvorrichtung |
DE7821020U1 (de) * | 1978-07-13 | 1979-12-20 | Robert Bosch Gmbh, 7000 Stuttgart | Elektrisch ansteuerbare stellvorrichtung |
DE10007611A1 (de) * | 2000-02-18 | 2001-08-23 | Mannesmann Vdo Ag | Drosselklappenstutzen |
DE10327045A1 (de) * | 2003-06-16 | 2005-04-07 | Siemens Ag | Drosselklappen-Verstellvorrichtung |
-
2009
- 2009-11-18 DE DE200910053830 patent/DE102009053830A1/de not_active Withdrawn
-
2010
- 2010-11-10 WO PCT/EP2010/067194 patent/WO2011061102A1/de active Application Filing
- 2010-11-10 DE DE112010004471T patent/DE112010004471A5/de not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0765997A1 (de) * | 1995-09-27 | 1997-04-02 | Mitsubishi Denki Kabushiki Kaisha | Einrichtung zum Regeln des Aufladedrucks |
EP1349259A2 (de) * | 2002-03-27 | 2003-10-01 | Hitachi, Ltd. | Elektronisch gesteuerter Antrieb |
EP1688591A2 (de) * | 2005-01-25 | 2006-08-09 | BorgWarner Inc. | Steuerungs- und Verbindungssystem |
DE102006040667B3 (de) * | 2006-08-30 | 2008-01-10 | Siemens Ag | Waste-Gate-Aktuator für einen Abgasturbolader |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014217333B4 (de) | 2013-08-29 | 2023-01-19 | Honda Motor Co., Ltd. | Mehrstufiges Turboladersystem für einen Verbrennungsmotor |
CN113818958A (zh) * | 2020-06-19 | 2021-12-21 | 马勒国际有限公司 | 具有废气涡轮增压器和致动器的废气涡轮增压器组件 |
Also Published As
Publication number | Publication date |
---|---|
DE112010004471A5 (de) | 2012-08-30 |
DE102009053830A1 (de) | 2011-05-19 |
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