WO2022078727A1 - Radialturbine mit einer reinigungsvorrichtung zur reinigung eines leitschaufelrings und verfahren zur montage und demontage der reinigungsvorrichtung - Google Patents
Radialturbine mit einer reinigungsvorrichtung zur reinigung eines leitschaufelrings und verfahren zur montage und demontage der reinigungsvorrichtung Download PDFInfo
- Publication number
- WO2022078727A1 WO2022078727A1 PCT/EP2021/076216 EP2021076216W WO2022078727A1 WO 2022078727 A1 WO2022078727 A1 WO 2022078727A1 EP 2021076216 W EP2021076216 W EP 2021076216W WO 2022078727 A1 WO2022078727 A1 WO 2022078727A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cleaning device
- nozzle ring
- turbine
- annular
- radial
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 129
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000012459 cleaning agent Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 16
- 238000002485 combustion reaction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000011109 contamination Methods 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/002—Cleaning of turbomachines
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
- F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
-
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/045—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector for radial flow machines or engines
-
- 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
-
- 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
- F05D2230/00—Manufacture
- F05D2230/72—Maintenance
-
- 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
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/128—Nozzles
-
- 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
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
- F05D2260/607—Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles
Definitions
- the invention relates to the field of exhaust gas turbines, in particular radial turbines, for example for an exhaust gas turbocharger.
- the invention relates to a radial turbine with a cleaning device for cleaning a nozzle ring.
- the invention relates to a method for assembling a cleaning device for cleaning a nozzle ring of a radial turbine and a method for dismantling the cleaning device.
- exhaust gas turbochargers are used as standard nowadays, with a turbine in the exhaust gas tract of the internal combustion engine and with a compressor upstream of the internal combustion engine.
- the exhaust gases from the internal combustion engine are expanded in the turbine.
- the work thus obtained is transferred to the compressor by means of a shaft, which compresses the air supplied to the internal combustion engine.
- the kinetic energy of the exhaust gas is used to drive the rotor of the turbocharger.
- the jet of exhaust gas must be directed onto the turbine shaft.
- a nozzle ring is installed in radial turbine stages at the outlet of the flow channel in front of the turbine shaft.
- Cleaning devices are used to maintain the turbine-side performance and to protect against excessive contamination with associated operating problems on the turbocharger. This is partly done with water but also with dry cleaning agents.
- the nozzle ring in particular is significantly affected by contamination, which can lead to significant operating restrictions.
- the cleaning device When servicing the turbocharger and in particular when cleaning the nozzle ring mechanically, the cleaning device must also be checked for blockages and the function of the nozzles. This must be removed from the turbocharger.
- the object of the present invention is to provide a radial turbine with a cleaning device which is improved with regard to at least one of the disadvantages known from the prior art.
- the object of the present invention is to provide a cleaning device for a nozzle ring of a radial turbine, which can be assembled and disassembled in a simpler manner than in the prior art.
- Another object of the present invention is an improved assembly and disassembly method for a
- a radial turbine with a cleaning device a method for assembling a cleaning device, and a method for disassembling a cleaning device are provided according to the independent claims. Further aspects, advantages and features of the present invention can be found in the dependent patent claims, the description and the accompanying figures.
- a centrifugal turbine includes a turbine housing with a radial gas inflow duct. Furthermore, the radial turbine includes a nozzle ring, which is arranged in the radial gas inflow channel. Furthermore, the radial turbine includes an annular cleaning device for cleaning the nozzle ring.
- the ring-shaped cleaning device is connected to a cleaning agent supply via an axially pluggable supply line in such a way that the ring-shaped cleaning device can be removed from the turbine housing in the axial direction after or with dismantling of the nozzle ring.
- cleaning device for cleaning a nozzle ring, which is improved over the prior art.
- the cleaning device is advantageously designed in such a way that it can be assembled and disassembled in a simple manner, so that the maintenance effort is reduced compared to the prior art.
- a second aspect of the invention relates to an exhaust gas turbocharger with a radial turbine according to the embodiments described herein.
- a third aspect of the invention relates to a method for assembling a cleaning device for cleaning a nozzle ring of a radial turbine.
- the method includes an axial insertion of the annular cleaning device into a corresponding receptacle of a turbine housing of the radial turbine.
- the method includes an axial connection of the ring-shaped cleaning device to a cleaning agent supply via an axially pluggable supply line.
- the method also includes fixing the annular cleaning device by fixing the nozzle ring, in particular so that the annular cleaning device is fixed relative to the turbine housing exclusively by fixing the nozzle ring.
- a fourth aspect of the invention relates to a method for dismantling a cleaning device for cleaning a nozzle ring of a radial turbine.
- the method includes releasing a fixation of the nozzle ring.
- the method also includes releasing an axial plug-in connection in a feed line from a cleaning agent feed to the ring-shaped cleaning device.
- the method includes an axial removal of the annular cleaning device. In particular, only the fixation of the nozzle ring and the axial plug-in connection in the supply line have to be loosened for the axial removal of the ring-shaped cleaning device.
- FIG. 1 shows a schematic sectional view along the central axis of a radial turbine with the cleaning device in an installed state according to the embodiments described herein;
- FIG. 2 shows a schematic three-dimensional view of a radial turbine according to the embodiments described herein with a dismantled cleaning device and a dismantled nozzle ring;
- FIGS. 3a to 3f show schematic sectional views of an annular cleaning device for cleaning a nozzle ring according to the embodiments described herein;
- FIG. 4 shows a schematic sectional view along the central axis of a radial turbine with a cleaning device for cleaning a nozzle ring comprising at least one compensation element for compensating for thermal expansions according to the embodiments described herein
- FIG. 5a shows a schematic sectional view of an annular cleaning device mounted in the turbine housing
- Figure 5b is a schematic sectional view of an annular
- FIG. 6 is a block diagram illustrating a method for assembling a cleaning device according to embodiments described herein.
- FIG. 7 is a block diagram illustrating a method for disassembling a cleaning device according to embodiments described herein.
- FIG. 1 shows a schematic sectional view along the central axis 101 of the radial turbine 20 with the cleaning device 10 in an installed state.
- Figure 2 shows a schematic view of the radial turbine 20 with a dismantled nozzle ring 23 and a dismantled cleaning device 10.
- the radial turbine 20 comprises a turbine housing 21 with a radial gas inflow channel 22.
- the radial turbine 20 comprises a nozzle ring 23 which is arranged in the radial gas inflow channel 22.
- the radial turbine 20 includes an annular cleaning device 10 for cleaning the nozzle ring 23.
- the annular cleaning device 10 is provided with a cleaning agent feed 13 via an axially plug-in feed line 12 connected that after or with disassembly of the nozzle ring 23, the annular cleaning device 10 can be removed in the axial direction from the turbine housing 21.
- the ring-shaped cleaning device 10 is mounted in the turbine housing 21 in such a way that the ring-shaped cleaning device 10 can be dismantled without loosening external connecting or mounting elements.
- “External connecting or assembly elements” are to be understood as meaning those connecting or assembly elements which, when assembled, are located at least partially outside the turbine housing.
- Cleaning device for cleaning a nozzle ring are provided, which are advantageously designed such that they can be assembled and disassembled in a simple manner, so that the maintenance effort is reduced compared to the prior art.
- the ring-shaped cleaning device 10 comprises a plurality of cleaning agent openings 111 arranged over the circumference, as is shown in FIG. 2 by way of example.
- the annular cleaning device 10 is fixed in the axial direction exclusively by fixing the nozzle ring 23 in the turbine housing 21 .
- the fixing of the nozzle ring 23 fixes the axial position of the cleaning device 10 with respect to the turbine housing 21, with no additional fixing being provided for fixing the axial position of the cleaning device 10.
- the nozzle ring 23 can be a nozzle ring open on one side.
- the vanes 24 may contact the annular cleaning device 10 .
- the ring-shaped cleaning device 10 can have receptacles (not explicitly shown in the figures) for the guide vanes 24 .
- annular cleaning device 10 there is no contact between the guide vanes 24 and the annular cleaning device 10 .
- the annular cleaning device 10 can be fixed in the turbine housing 21 by means of internal fixing elements. “Inner fixing elements” are to be understood as meaning those fixing elements which are arranged completely inside the turbine housing in the assembled state.
- the nozzle ring 23 is a closed nozzle ring with guide vanes 24 which are made integral with the annular cleaning device 10.
- the annular cleaning device 10 can be formed separately from the supply line 12.
- the ring-shaped cleaning device 10 can be formed integrally with the supply line, as is shown by way of example in FIGS. 3c and 3d.
- the nozzle ring 23 is a closed nozzle ring with guide vanes 24, which are arranged between an annular disk 25 on the bearing housing side and an annular disk 26 on the turbine housing side, as is shown, for example, in FIGS. 3f is shown.
- the ring-shaped cleaning device 10 can be connected to the ring disk 26 on the turbine housing side.
- the ring-shaped cleaning device 10 can be connected to the ring disk 26 on the turbine housing side by means of a screw connection 113, as is shown by way of example in FIG. 3f.
- the ring-shaped cleaning device 10 can be connected to the ring disk 26 on the turbine housing side by means of a welded connection 112, as is shown by way of example in FIG. 3e.
- the axially pluggable supply line 12 is formed by means of a plug-in tube 121 and a plug-in sleeve 122, as shown in FIGS. 1 and 4 by way of example.
- the plug-in tube 121 and the plug-in sleeve 122 are typically sealed against one another by means of one or more sealing elements 123, in particular by means of one or more sealing rings.
- the male tube 121 is connected to the annular cleaning device 10 .
- the plug-in tube 121 can be designed integrally with the ring-shaped cleaning device, as is shown by way of example in FIGS. 3c and 3d.
- the plug-in supply line 12 can be provided by a plug-in tube 121 and a corresponding receptacle 27 provided in the turbine housing 21 according to an alternative embodiment which can be combined with other embodiments described herein.
- the plug-in pipe 121 is typically sealed off from the corresponding receptacle 27 provided in the turbine housing 21 by means of one or more sealing elements 123, in particular by means of one or more sealing rings.
- the axially pluggable supply line 12 comprises at least one compensation element 14 for compensating for thermal expansion, as is shown in FIG. 4 by way of example.
- this can be the at least one compensation element 14 be brat.
- the at least one compensation element 14 can be part of the plug-in tube and/or the plug-in sleeve.
- the at least one compensation element 14 can include a first compensation element 141, which is shown in FIG. 4 as part of the plug-in tube 121 by way of example.
- the at least one compensation element 14 can include a second compensation element 142, which is shown by way of example in FIG. 4 as part of the receptacle 122. Both the first compensation element 141 and the second compensation element 142 can be designed as bellows.
- the radial turbine according to the embodiments described herein is used for an exhaust gas turbocharger, so that an exhaust gas turbocharger with a radial turbine according to the embodiments described herein is provided.
- FIG. 6 Another aspect of the invention relates to a method 30 for assembling a cleaning device 10 for cleaning a nozzle ring 23 of a radial turbine 20.
- the method 30 for assembling the cleaning device is illustrated schematically by the block diagram shown in FIG.
- the method 30 comprises axially sliding (schematically represented by block 31 in FIG. 6) the annular cleaning device 10 into a corresponding receptacle of a turbine housing 21 of the radial turbine 20. Further comprises the method 30 an axial connection (shown schematically by block 32 in Fig. 6) of the annular cleaning device 10 with a cleaning agent supply 13 via an axially pluggable supply line 12.
- the method 30 also includes fixing (shown schematically by block 33 in Fig. 6) of the annular cleaning device 10 by means of a fixation of the nozzle ring, in particular so that the annular cleaning device 10 is fixed exclusively via the fixation of the nozzle ring in relation to the turbine housing.
- Another aspect of the invention relates to a method 40 for dismantling a cleaning device 10 for cleaning a nozzle ring 23 of a radial turbine 20.
- the method 40 for dismantling the cleaning device is illustrated schematically by the block diagram shown in FIG.
- the method 40 comprises loosening (represented schematically by block 41 in FIG. 7) a fixation of the nozzle ring.
- the method also includes releasing (schematically represented by block 42 in FIG. 7) an axial plug-in connection in a supply line 12 from a cleaning agent supply 13 to the ring-shaped cleaning device.
- the method also includes axially extracting (represented schematically by block 43 in Figure 7) the annular cleaning device. In particular, only the fixation of the nozzle ring and the axial plug-in connection in the supply line 12 are to be released for the axial removal 42 of the annular cleaning device.
- both the method 30 for assembly and the method 40 for disassembly of a cleaning device are typically the cleaning device 10 for cleaning a nozzle ring 23 of a radial turbine 20 according to one of the embodiments described herein.
- 41, 42, 43 blocks of the block diagram illustrating the method of disassembling the cleaning device
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18/031,532 US20230383674A1 (en) | 2020-10-13 | 2021-09-23 | Radial turbine having a cleaning device for cleaning a guide vane ring and methods for mounting and demounting the cleaning device |
JP2023521502A JP2023544831A (ja) | 2020-10-13 | 2021-09-23 | ガイドベーンリングを洗浄する洗浄装置を有するラジアルタービン及び洗浄装置の取り付け及び取り外しのための方法 |
EP21782964.7A EP4229278A1 (de) | 2020-10-13 | 2021-09-23 | Radialturbine mit einer reinigungsvorrichtung zur reinigung eines leitschaufelrings und verfahren zur montage und demontage der reinigungsvorrichtung |
CN202180069444.9A CN116348660A (zh) | 2020-10-13 | 2021-09-23 | 具有用于清洁导叶环的清洁装置的径向涡轮机以及安装和拆卸清洁装置的方法 |
KR1020237015639A KR20230084272A (ko) | 2020-10-13 | 2021-09-23 | 안내 베인 링을 세정하기 위한 세정 장치를 갖는 반경방향 터빈 및 세정 장치를 장착 및 탈착하는 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20201552.5A EP3985230A1 (de) | 2020-10-13 | 2020-10-13 | Radialturbine mit einer reinigungsvorrichtung zur reinigung eines leitschaufelrings und verfahren zur montage und demontage der reinigungsvorrichtung |
EP20201552.5 | 2020-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022078727A1 true WO2022078727A1 (de) | 2022-04-21 |
Family
ID=72852471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2021/076216 WO2022078727A1 (de) | 2020-10-13 | 2021-09-23 | Radialturbine mit einer reinigungsvorrichtung zur reinigung eines leitschaufelrings und verfahren zur montage und demontage der reinigungsvorrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230383674A1 (de) |
EP (2) | EP3985230A1 (de) |
JP (1) | JP2023544831A (de) |
KR (1) | KR20230084272A (de) |
CN (1) | CN116348660A (de) |
WO (1) | WO2022078727A1 (de) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2008503A1 (de) * | 1969-07-28 | 1971-02-11 | VEB Bergmann Borsig/Gorlitzer Ma schinenbau, Werk Berlin, Berlin | Einrichtung zum Waschen der Schaufeln von Gasturbinen |
JPS511608U (de) * | 1974-06-21 | 1976-01-08 | ||
US4082477A (en) * | 1974-11-06 | 1978-04-04 | United Turbine Ab & Co. | Compressor having two or more stages |
EP1388656A2 (de) * | 2002-08-09 | 2004-02-11 | Mitsubishi Heavy Industries, Ltd. | System zum Entfernen von Fremdkörpern aus einer Turbine |
US20060245913A1 (en) * | 2003-09-25 | 2006-11-02 | Abb Research Ltd. | Compressor cleaning system |
EP2071151A1 (de) * | 2007-12-12 | 2009-06-17 | Siemens Aktiengesellschaft | Verfahren zur Reinigung von Turbinenschaufeln während ihren Betriebs, entsprechende Turbine und Turbolader |
EP2113638A1 (de) * | 2008-04-30 | 2009-11-04 | ABB Turbo Systems AG | Einspritzvorrichtung |
AT507450A2 (de) * | 2008-10-23 | 2010-05-15 | Man Diesel Se | Verfahren zur entfernung von verunreinigungen aus dem diffuser eines turboladers und vorrichtung zu dessen durchführung |
WO2012095434A1 (de) * | 2011-01-14 | 2012-07-19 | Abb Turbo Systems Ag | Turbinenreinigung |
EP2722506A1 (de) * | 2012-10-22 | 2014-04-23 | Otics Corporation | Turbolader |
-
2020
- 2020-10-13 EP EP20201552.5A patent/EP3985230A1/de not_active Withdrawn
-
2021
- 2021-09-23 US US18/031,532 patent/US20230383674A1/en active Pending
- 2021-09-23 KR KR1020237015639A patent/KR20230084272A/ko active Search and Examination
- 2021-09-23 EP EP21782964.7A patent/EP4229278A1/de not_active Withdrawn
- 2021-09-23 WO PCT/EP2021/076216 patent/WO2022078727A1/de active Application Filing
- 2021-09-23 JP JP2023521502A patent/JP2023544831A/ja not_active Abandoned
- 2021-09-23 CN CN202180069444.9A patent/CN116348660A/zh not_active Withdrawn
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2008503A1 (de) * | 1969-07-28 | 1971-02-11 | VEB Bergmann Borsig/Gorlitzer Ma schinenbau, Werk Berlin, Berlin | Einrichtung zum Waschen der Schaufeln von Gasturbinen |
JPS511608U (de) * | 1974-06-21 | 1976-01-08 | ||
US4082477A (en) * | 1974-11-06 | 1978-04-04 | United Turbine Ab & Co. | Compressor having two or more stages |
EP1388656A2 (de) * | 2002-08-09 | 2004-02-11 | Mitsubishi Heavy Industries, Ltd. | System zum Entfernen von Fremdkörpern aus einer Turbine |
US20060245913A1 (en) * | 2003-09-25 | 2006-11-02 | Abb Research Ltd. | Compressor cleaning system |
EP2071151A1 (de) * | 2007-12-12 | 2009-06-17 | Siemens Aktiengesellschaft | Verfahren zur Reinigung von Turbinenschaufeln während ihren Betriebs, entsprechende Turbine und Turbolader |
EP2113638A1 (de) * | 2008-04-30 | 2009-11-04 | ABB Turbo Systems AG | Einspritzvorrichtung |
AT507450A2 (de) * | 2008-10-23 | 2010-05-15 | Man Diesel Se | Verfahren zur entfernung von verunreinigungen aus dem diffuser eines turboladers und vorrichtung zu dessen durchführung |
WO2012095434A1 (de) * | 2011-01-14 | 2012-07-19 | Abb Turbo Systems Ag | Turbinenreinigung |
EP2722506A1 (de) * | 2012-10-22 | 2014-04-23 | Otics Corporation | Turbolader |
Also Published As
Publication number | Publication date |
---|---|
CN116348660A (zh) | 2023-06-27 |
EP4229278A1 (de) | 2023-08-23 |
EP3985230A1 (de) | 2022-04-20 |
US20230383674A1 (en) | 2023-11-30 |
JP2023544831A (ja) | 2023-10-25 |
KR20230084272A (ko) | 2023-06-12 |
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