EP1664546A1 - Verdichterreinigung - Google Patents
VerdichterreinigungInfo
- Publication number
- EP1664546A1 EP1664546A1 EP04761937A EP04761937A EP1664546A1 EP 1664546 A1 EP1664546 A1 EP 1664546A1 EP 04761937 A EP04761937 A EP 04761937A EP 04761937 A EP04761937 A EP 04761937A EP 1664546 A1 EP1664546 A1 EP 1664546A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- diffuser
- compressor
- liquid
- gas inlet
- inlet housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/16—Other safety measures for, or other control of, pumps
-
- 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
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
- F04D29/444—Bladed diffusers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/705—Adding liquids
-
- 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
- F05D2230/90—Coating; Surface treatment
-
- 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
- F05D2250/00—Geometry
- F05D2250/50—Inlet or outlet
- F05D2250/52—Outlet
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/512—Hydrophobic, i.e. being or having non-wettable properties
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/611—Coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
- Y10S415/915—Pump or portion thereof by casting or molding
Definitions
- the invention relates to a compressor with a device for wet cleaning the diffuser of a compressor according to the preamble of patent claim 1 and a method for producing a compressor according to the preamble of patent claim 9.
- exhaust gas turbochargers to increase the performance of internal combustion engines is widespread today.
- the exhaust gas turbine of the turbocharger is acted upon by the exhaust gases of the internal combustion engine and its kinetic energy is used for the intake and compression of air for the internal combustion engine.
- the temperature and the pressure of the air rise due to the compression. As a result, temperatures of 180 ° C or higher can occur on the guide vanes of the diffuser and the diffuser walls.
- blow-by gases This problem occurs increasingly in internal combustion engines with crankcase ventilation.
- combustion gases pass between the piston rings and the air sleeve into the crankcase.
- air gets into the crankcase via the oil return line of the turbocharger.
- These gases are called blow-by gases. So that the pressure in the crankcase does not rise excessively, the blow-by gases are discharged, fed to the intake air upstream of the compressor wheel and compressed together with the intake air in the compressor.
- the blow-by gases contain oil particles, which typically have a diameter of 0.1 to 10 ⁇ m (micrometers) and are present in a concentration of 5 to 10 mg / m 3 .
- compressors are cleaned regularly.
- the cleaning is carried out under partial load.
- the compressor wheel is rotated at a reduced rotational speed and a liquid is supplied to the flow in front of the compressor wheel.
- a device of the type mentioned is known from US 4,196,020. It proposes connecting a removable cleaning spray device to the gas inlet housing of a gas turbine for cleaning purposes.
- the cleaning spray device also includes manifolds with spray nozzles. For cleaning, the device is placed on the gas inlet housing, the gas turbine is switched on, and a spray for cleaning is sprayed evenly onto the side of the gas inlet housing facing the medium to be compressed and the compressor wheel via spray nozzles. With this cleaning spray device, the compressor wheel is mainly cleaned. Stuck deposits are hardly removed in the non-moving diffuser by the finely sprayed liquids.
- part of the sprayed water already evaporates on the blades and the gas inlet casing, which were warmed up by the operation of the compressor, and the diffuser thus becomes insufficient cleaned.
- the operation of the compressor must be interrupted before and after each cleaning in order to place the cleaning spray device on the compressor or to remove it again after cleaning.
- US 5,385,014 describes a method for cleaning a compressor of an aircraft.
- the compressor wheel is cleaned by spraying a water-containing liquid upstream of the compressor wheel and rotating the compressor wheel at a low rotational speed without starting the ignition.
- the compressor wheel is mainly cleaned. Cleaning cannot be carried out during normal operation, since the compressor wheel must be rotated at a low rotational speed, because otherwise even with the smallest water droplets, severe erosion would occur at the corners and edges of the compressor wheel.
- means are provided in the compressor through which a liquid can be introduced into the diffuser in the flow channel downstream of the compressor wheel. Cleaning can be carried out while the compressor is operating at full speed.
- the operation of the compressor advantageously does not need to be reduced or even interrupted in order to carry out the cleaning of the diffuser.
- the liquid for cleaning is water. If the device for cleaning a diffuser in a Exhaust gas turbocharger is used with an internal combustion engine, an advantage is that after cleaning, the water gets into the combustion chambers of the internal combustion engine, and water does not undergo chemical reactions with elements of the combustion chambers, such as lubricating films in the cylinders of the internal combustion engine.
- the device for cleaning the diffuser includes at least one opening through which the liquid can be introduced into the diffuser for cleaning.
- Each guide vane forms a diffuser channel with part of a diffuser wall.
- the at least one opening can be arranged in such a way that each diffuser channel can be supplied with liquid for cleaning from at least one opening.
- the advantage of this embodiment is that all parts of the diffuser are cleaned evenly.
- At least one liquid line which in turn is connected to a pump, is connected to the at least one opening.
- a pressure of the liquid can be built up via the pump, through which the liquid can be introduced into the flow channel.
- the diffuser is provided with a dirt-repellent coating, so that the contaminants adhere less firmly to the surface of the diffuser and are therefore easier to remove by the liquid for cleaning.
- a pump presses the liquid for cleaning under pressure through lines which connect the pump to the openings.
- the liquid is introduced into the flow channel from the openings at a pressure which is higher than the pressure prevailing in the flow channel.
- the cleaning liquid strikes the side of the diffuser walls and / or the guide vanes facing the medium to be compressed and removes the deposits there.
- the pressure is only so great that the liquid flows along the diffuser walls and / or the guide vanes.
- the pressure can also be increased to such an extent that the liquid splashes against the walls and / or the guide vanes. This allows the liquid to be sprayed selectively onto parts of the diffuser and the pressure of the liquid can assist in cleaning the diffuser.
- Figure 1 in section along its machine axis a section of a turbocharger with a compressor according to the prior art
- FIG. 2 top view of the diffuser (section through the plane A - A of Figure 1);
- Figure 3 section of a compressor with a diffuser and a device for cleaning a diffuser in the event of a subsequent installation of the device for cleaning in an existing compressor.
- Figure 1 shows a section along the machine axis of a turbocharger a compressor-side section of a turbocharger with a compressor (1).
- the compressor (1) has a gas inlet housing (2), a compressor wheel on a shaft (7) with rotor blades (31) and a hub (32) and a diffuser (4).
- a turbine wheel is also mounted on the shaft (6) (not shown in the figure).
- the gas inlet housing (2) has an inside (21) which faces the medium to be compressed and along which the medium to be compressed flows and an outside (22) which faces away from the medium to be compressed and which is further away from the shaft.
- a flow channel (5) is delimited on the outside by the inside of the gas inlet housing and on the inside by the hub (32) of the compressor wheel (3).
- the direction of flow of the medium (7) to be compressed goes along the flow channel (5) from the opening of the gas inlet housing in the direction of a diffuser (4) (represented by arrows in FIG. 1). Downstream from the blades, the gas inlet housing (2) merges into a diffuser wall (41) of the diffuser (4).
- the diffuser includes guide vanes (44) and diffuser walls (41), each diffuser wall (41) having an inside (42) which faces the medium to be compressed and which limits the flow channel to the outside and an outside (43) which faces the compressing medium is facing away and which is opposite each inside (42) of the diffuser walls.
- FIG. 2 shows a top view of a diffuser as a section through the plane A - A from FIG. 1.
- Diffuser channels (45) are formed in the diffuser (4) and are delimited by two guide vanes (44) and part of a diffuser wall (41).
- the guide blades (44) can directly adjoin the rotor blades of the compressor wheel, but it is also possible for a radially widened gap to be provided between the rotor blades and the guide blades.
- the device according to the invention for wet cleaning a diffuser is located downstream of the compressor wheel (3). It is arranged in such a way that the liquid can be introduced into the diffuser (4) downstream of the compressor wheel (3) for cleaning.
- At least one opening is provided in the gas inlet housing (2) and / or at least one diffuser wall (41), which is designed as a bore and passes through the wall.
- the at least one bore goes from the inside of the gas inlet housing (21) to an outside of the gas inlet housing (22) and / or from the inside of the at least one diffuser wall (42) to the outside of the at least one diffuser wall (43).
- the diffuser (4) has no guide vanes. With these diffusers (4), the cross section of the diffuser, which is delimited by the inside of the diffuser walls (42), increases in the direction of flow (7).
- the at least one opening can be arranged such that liquid can be supplied to each diffuser channel from at least one opening.
- the at least one opening has a round cross section, but openings with other cross sections are also conceivable. These can be oval, square or rectangular cross sections, for example.
- the cross section of the at least one bore along the longitudinal axis of the bore is unchangeable.
- the cross section of the at least one bore can also taper from the outside of the gas inlet housing (22) and / or the outside of at least one diffuser wall (43) to the inside of the gas inlet housing (21) and / or at least one diffuser wall (42), so that the Fluid for cleaning in the bore is accelerated towards the flow channel.
- the size of the at least one opening can be selected depending on the pressure with which the liquid is to be guided into the flow channel (5). If liquid is supplied to the diffuser (4) from a plurality of openings, the openings can be located in a cross-sectional plane of the diffuser (4). In a variant, the openings are arranged in different cross-sectional planes of the diffuser (4), so that the liquid for cleaning can be supplied in a targeted manner to different areas of the diffuser (4), such as the downstream end area.
- the at least one bore is connected to at least one liquid line on the outside of the diffuser wall (43).
- This at least one liquid line can open into a collecting line which is connected to a pump (not shown in the figure) or the at least one liquid line can be connected directly to the pump.
- the longitudinal axis of the bores is perpendicular to the surface of the part of the gas inlet housing (2) surrounding it and / or the diffuser wall (41).
- the longitudinal axis of the at least one bore forms an angle with the inside of the part of the gas inlet housing (2) surrounding it and / or the inside of the at least one diffuser wall (41) which is not equal to 90 °. It is thereby achieved that the liquid for cleaning hits the inside of the diffuser walls (42) and / or the gas inlet housing (21) at an angle.
- the angles between the longitudinal axis of the bore and the inside of the part of the gas inlet housing surrounding it and / or the at least one diffuser wall can vary.
- the longitudinal axes of the bores can be designed such that the liquid can be introduced into the diffuser (4) in a fan shape for cleaning.
- Water can be used as the liquid for cleaning.
- Additives can be added to the water to enhance the cleaning process.
- the diffuser (4) can be at least partially provided with an anti-stick coating.
- a coating can also on the inside of the Gas inlet housing (21) and be provided on the compressor wheel (3).
- the coating should be permanently temperature-resistant up to the temperatures that occur during the operation of the compressor. Typically, temperatures up to 260 ° C form in the diffusers of compressors, whereby the coating should also be suitable for a short-term temperature rise up to 290 ° C. For special applications or future turbo charging, higher temperatures are also conceivable and coatings with a correspondingly higher resistance are required.
- the coating is water and / or oil-repellent. If the sucked-in air still contains caustic substances that attack the walls, a coating can be selected that is also corrosion-resistant.
- a polymeric nanocomposite consisting of a polymeric coating with a fluorine-containing surface and embedded hard particles, the size of which is in the nanometer range, is suitable as a coating.
- a coating of perfluoroalkoxy copolymer (Teflon PFA), hard chrome coatings or nickel plating are also possible. This list is not intended to be exhaustive.
- the extent of coking can be reduced by cooling the walls of the compressor on which coking takes place. Due to the lower temperatures on the walls, the coking layer builds up less quickly and adheres less firmly to the walls and can therefore be removed more easily.
- the walls can be cooled by existing cavities in the compressor or by specially designed cavities or cooling hoses. Cooling can be achieved using air, water or oil.
- the liquid can be introduced into the diffuser (4) such that it flows along the inside of the diffuser wall (42) and / or the guide vanes (44) after the opening. But it is also possible to increase the pressure of the liquid so that the liquid only against the inside of the gas inlet housing (21), the inside of the diffuser wall (42) and / or the guide vanes (44), which extend the longitudinal axis of the bore to spray where at least part of the liquid bounces off and is atomized.
- the liquid can also be introduced into the flow channel (5) against the direction of flow of the medium (7) to be compressed.
- Compressors which are operated in exhaust gas turbochargers of an internal combustion engine, can be equipped with an air auxiliary drive system which facilitates the starting of an internal combustion engine.
- air is introduced in front of the diffusers with a pump through feed lines into an annular chamber and introduced into the flow channel via bores in the gas inlet housing.
- the holes in the gas inlet housing can be sealed and new holes can be drilled in such a way that a liquid can be introduced into the diffuser downstream of the compressor wheel for cleaning.
- the liquid for cleaning is transported through the feed lines into the annular chamber and introduced into the diffuser at a pressure which is higher than the pressure prevailing in the flow channel of the compressor.
- FIG. 3 shows a channel (81) which is connected to an annular chamber (82) which runs around the compressor wheel parallel to the diffuser (4). Sealing means (83) seal this chamber against the gas inlet housing (2). Bores (84) extend from the annular chamber to the diffuser (4). To fix the positions of the parts in the circumferential direction, bolts or other fixing means (85) are provided. A liquid is introduced through the channel (81) into the annular chamber (82) and from there to the diffuser (4).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Supercharger (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US50571603P | 2003-09-25 | 2003-09-25 | |
| PCT/CH2004/000597 WO2005028876A1 (de) | 2003-09-25 | 2004-09-22 | Verdichterreinigung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1664546A1 true EP1664546A1 (de) | 2006-06-07 |
Family
ID=34375583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04761937A Withdrawn EP1664546A1 (de) | 2003-09-25 | 2004-09-22 | Verdichterreinigung |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7524166B2 (de) |
| EP (1) | EP1664546A1 (de) |
| WO (1) | WO2005028876A1 (de) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4539487B2 (ja) | 2005-08-05 | 2010-09-08 | 株式会社Ihi | 電動機付過給機 |
| JP4605380B2 (ja) | 2005-08-08 | 2011-01-05 | 株式会社Ihi | 電動過給機 |
| JP4692820B2 (ja) * | 2005-08-11 | 2011-06-01 | 株式会社Ihi | 電動機付過給機 |
| JP4591828B2 (ja) | 2005-08-22 | 2010-12-01 | 株式会社Ihi | 電動機付過給機 |
| US7722316B2 (en) * | 2005-09-13 | 2010-05-25 | Rolls-Royce Power Engineering Plc | Acoustic viscous damper for centrifugal gas compressor |
| EP1811150B1 (de) | 2006-01-24 | 2011-02-23 | IHI Corporation | Motorbetriebene Aufladung |
| DE602006008264D1 (de) | 2006-01-26 | 2009-09-17 | Ihi Corp | Turbo-Auflader |
| KR101153309B1 (ko) | 2006-03-23 | 2012-06-05 | 가부시키가이샤 아이에이치아이 | 과급기의 고속 회전축 |
| JP4753033B2 (ja) | 2006-06-02 | 2011-08-17 | 株式会社Ihi | 電動過給機 |
| JP4671177B2 (ja) | 2006-06-02 | 2011-04-13 | 株式会社Ihi | 電動過給機 |
| EP1878879A1 (de) * | 2006-07-14 | 2008-01-16 | Abb Research Ltd. | Turbolader mit katalytischer Beschichtung |
| KR20090039770A (ko) | 2006-08-18 | 2009-04-22 | 가부시키가이샤 아이에이치아이 | 전동 과급기 |
| US8157544B2 (en) | 2006-08-18 | 2012-04-17 | Ihi Corporation | Motor driven supercharger with motor/generator cooling efficacy |
| EP1925782A1 (de) * | 2006-11-23 | 2008-05-28 | Siemens Aktiengesellschaft | Unbenetzbare Flächenbeschichtung von Nassdampfturbinenbauteilen |
| DE102006057383A1 (de) * | 2006-12-04 | 2008-06-05 | Voith Patent Gmbh | Turbinenanlage zum Nutzen von Energie aus Meereswellen |
| DE102007017827A1 (de) * | 2007-04-16 | 2008-10-23 | Siemens Ag | Abgasturbolader für oder in einem Kraftfahrzeug mit einer verdichterseitig an einer inneren Oberfläche vorgesehenen selbstreinigenden Beschichtung |
| GB0724022D0 (en) * | 2007-12-07 | 2008-01-16 | Cummins Turbo Tech Ltd | Compressor |
| US20100247321A1 (en) * | 2008-01-08 | 2010-09-30 | General Electric Company | Anti-fouling coatings and articles coated therewith |
| CZ305822B6 (cs) * | 2008-10-23 | 2016-03-30 | Man Diesel Se | Zařízení k odstraňování nečistot z difuzoru turbodmychadla |
| US8858720B2 (en) | 2008-12-09 | 2014-10-14 | Chevron Belgium Nv | Method for cleaning deposits from turbocharger and supercharger compressors |
| GB2488997A (en) * | 2011-03-14 | 2012-09-19 | O Gen Uk Ltd | Engine with Turbocharger and Intake Cleaning Features |
| EP2562430A1 (de) * | 2011-08-24 | 2013-02-27 | Siemens Aktiengesellschaft | Verfahren zum Waschen eines Axialverdichters |
| JPWO2013080600A1 (ja) * | 2011-12-01 | 2015-04-27 | トヨタ自動車株式会社 | 過給機付き内燃機関 |
| JP2014084762A (ja) * | 2012-10-22 | 2014-05-12 | Otics Corp | ターボチャージャ |
| US20140321979A1 (en) * | 2013-04-24 | 2014-10-30 | Hamilton Sundstrand Corporation | Turbine nozzle piece parts with hvoc coatings |
| US9489819B2 (en) * | 2014-10-21 | 2016-11-08 | Anytransactions, Inc. | Personal monitor and tracking system |
| US10006341B2 (en) | 2015-03-09 | 2018-06-26 | Caterpillar Inc. | Compressor assembly having a diffuser ring with tabs |
| US10066639B2 (en) | 2015-03-09 | 2018-09-04 | Caterpillar Inc. | Compressor assembly having a vaneless space |
| EP3985230A1 (de) * | 2020-10-13 | 2022-04-20 | ABB Switzerland Ltd. | Radialturbine mit einer reinigungsvorrichtung zur reinigung eines leitschaufelrings und verfahren zur montage und demontage der reinigungsvorrichtung |
| WO2025095837A1 (en) * | 2023-11-02 | 2025-05-08 | Scania Cv Ab | Compressor shroud unit, compressor arrangement, turbocharger, internal combustion engine, and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2786626A (en) * | 1952-08-07 | 1957-03-26 | Gulf Oil Corp | Process for the compression of gases |
| CH420472A (de) * | 1965-01-04 | 1966-09-15 | Bbc Brown Boveri & Cie | Verfahren zur Verhinderung von Ablagerungen im Strömungsweg von Turboverdichtern |
| US3337427A (en) * | 1966-06-27 | 1967-08-22 | Whitfield Lab Inc | Heat and chemical resistant metal alloy parts |
| FR1563749A (de) * | 1967-12-20 | 1969-04-18 | ||
| US4196020A (en) * | 1978-11-15 | 1980-04-01 | Avco Corporation | Removable wash spray apparatus for gas turbine engine |
| US4695224A (en) * | 1982-01-04 | 1987-09-22 | General Electric Company | Centrifugal compressor with injection of a vaporizable liquid |
| FR2638781B1 (fr) * | 1988-11-09 | 1990-12-21 | Snecma | Depot electrophoretique anti-usure du type metalloceramique consolide par nickelage electrolytique |
| US5985454A (en) * | 1990-02-05 | 1999-11-16 | Sermatech International Incorporated | Anti-fouling coating for turbomachinery |
| FR2689939B1 (fr) | 1992-04-14 | 1995-10-20 | Esswein Sa | Dispositif de nettoyage de turbine pour machine lavante-sechante. |
| US5385014A (en) | 1992-09-11 | 1995-01-31 | Aeronautical Accessories, Inc. | Valve and method of valve use while washing a compressor in an aircraft engine |
| US6220234B1 (en) * | 1999-03-04 | 2001-04-24 | Cummins Engine Company | Coated compressor diffuser |
| US6341747B1 (en) * | 1999-10-28 | 2002-01-29 | United Technologies Corporation | Nanocomposite layered airfoil |
-
2004
- 2004-09-22 EP EP04761937A patent/EP1664546A1/de not_active Withdrawn
- 2004-09-22 WO PCT/CH2004/000597 patent/WO2005028876A1/de not_active Ceased
-
2006
- 2006-03-27 US US11/389,109 patent/US7524166B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2005028876A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20060245913A1 (en) | 2006-11-02 |
| US7524166B2 (en) | 2009-04-28 |
| WO2005028876A1 (de) | 2005-03-31 |
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