EP2183474A2 - Turbolader mit einem turboladergehäuse welches eine verschraubung mittels zuganker aufweist - Google Patents
Turbolader mit einem turboladergehäuse welches eine verschraubung mittels zuganker aufweistInfo
- Publication number
- EP2183474A2 EP2183474A2 EP08775317A EP08775317A EP2183474A2 EP 2183474 A2 EP2183474 A2 EP 2183474A2 EP 08775317 A EP08775317 A EP 08775317A EP 08775317 A EP08775317 A EP 08775317A EP 2183474 A2 EP2183474 A2 EP 2183474A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- turbocharger
- cover
- turbocharger according
- tie rod
- 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- Withdrawn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
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
- F02C6/10—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output supplying working fluid to a user, e.g. a chemical process, which returns working fluid to a turbine of the plant
- F02C6/12—Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines by increase of charge pressure
-
- 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
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/243—Flange connections; Bolting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/30—Retaining components in desired mutual position
- F05B2260/301—Retaining bolts or nuts
-
- 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
- F05D2230/60—Assembly methods
-
- 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
- F05D2230/60—Assembly methods
- F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
Definitions
- Turbocharger with a turbocharger housing which has a screw connection by means of tie rods
- the invention relates to a turbocharger with a turbocharger housing, consisting for example of a turbine housing, a compressor housing and a bearing housing, which is bolted by means of tie rods.
- a turbocharger consists of an exhaust gas turbine in an exhaust gas flow, which is connected via a turbo shaft with a compressor in the intake tract.
- a turbine wheel and a compressor wheel are rotatably mounted on the turbo shaft for this purpose.
- the turbine wheel is housed in a turbine housing of the turbocharger and the compressor wheel in a corresponding compressor housing. Both housings are connected to each other via a bearing housing.
- the turbine wheel of the turbine is rotated by the exhaust gas flow of the engine and thereby drives the compressor wheel of the turbine
- the compressor increases the pressure in the intake tract of the engine, so that a larger amount of air enters the cylinder during the intake stroke. As a result, more oxygen is available and a correspondingly larger amount of fuel can be burned. In this case, the power output can be increased because the mean pressure of the engine and its torque increases.
- Turbine housing instead of using a Switzerlandankerverschraubung over so-called. Screw short screws.
- the turbine housing is screwed to a flange on an opposite side of the bearing housing and correspondingly the compressor housing to a flange at the other end of the bearing housing.
- turbocharger with a turbocharger housing in which the housing can be bolted to a Buchankerverschraubung, but the occurrence of turbulence can be at least reduced by the Switzerlandankerverschraubung.
- the invention provides a turbocharger with a turbocharger housing: wherein the turbocharger housing has a bearing housing and at least one impeller housing and - wherein the bearing housing and the impeller housing are screwed by a Switzerlandankerverschraubung, and wherein at least one head of a tie rod Wegankerverschraubung is covered with a cover.
- the turbocharger has the advantage that on the one hand the turbocharger housing can be provided with a Wernerverschraubung, which ensures a high Verschraubungsconce. On the other hand, the heads of the tie rods are covered so that turbulence can be at least significantly reduced or even substantially prevented, so that an efficiency of the impeller housing is not affected.
- the impeller housing is a turbine housing and / or a compressor housing.
- both the turbine housing and the compressor housing can basically be fastened with a Switzerlandankerverschraubung.
- the cover element covers at least partially or completely one, several or all heads of the tie rods of the tie rod connection.
- the cover is at least partially or completely closed.
- the cover may also be provided with openings which are just large enough for the tool engagement of an associated tie rod. This also provides only the smallest possible attack surface for turbulence.
- the cover is mounted in a receptacle on the impeller housing and / or the bearing housing.
- the receptacle can be a depression or a projection on which the covering element is fastened.
- the cover can also be fixed for example by means of screwing or the like. The screw connection is provided, for example, in an area where, as far as possible, there is little or no turbulence.
- the cover element is formed as a part of a wall of a diffuser of the impeller housing.
- cover sheet For example, a cover plate.
- cover sheets have the advantage that they are easy to manufacture and can be easily formed, for example, to be formed as described above, for example, as a wall of a diffuser of an impeller housing.
- the cover element is, for example, a plug element for covering at least one head of a tie rod.
- the plug element can have the form of a cap which surrounds the screw head. Such a cap is easy to manufacture and easy to assemble.
- the plug member may also comprise a plate with a projection or plug which is insertable into a head of a tie rod. The plate can with the
- Such a plug element can also be easily manufactured and assembled.
- the plug element can also be designed such that the plate not only has a projection or plug but a plurality, to cover in this way equal to several heads of tie rods.
- FIG. 1 shows a schematic section of a turbocharger with a turbocharger housing, in which the housing is screwed directly, according to the prior art
- FIG. 2 is a schematic section of a turbocharger with a turbocharger housing, in which the housing is provided with a Switzerlandankerverschraubung, according to an embodiment of the invention.
- Fig. 3 shows a detail of the turbocharger with the turbocharger housing of FIG. 2, wherein the compressor housing and the bearing housing is shown here, and
- 4a, 4b examples of a plug element as a cover.
- FIG. 1 a schematic section of a turbocharger housing 10 according to the prior art is shown, which is part of a turbocharger (not shown).
- the turbocharger housing 10 or its turbine housing 28 is with relatively short screws 12 directly to a bearing housing 14th screwed.
- the bearing housing 14 has, at its end opposite the turbocharger housing 10, a flange 16 to which the turbocharger housing 10 is screwed by means of a plurality of screws 12, as shown in FIG. 1.
- the screw heads 18 of the screws 12 lie outside of the bearing housing 14 and the turbine housing 10, so that no turbulence can arise, leading to a reduction of the efficiency.
- this design has the disadvantage that it is expensive to assemble and offers no screwing security, as the Switzerlandankerverschraubung. This is also evident in the following comparison between Switzerlandankerverschraubung and Miniverschraubung.
- Tie rod M6 Medium temp. Anchor 300 0 C
- the tie rod screw connection (screw head abutments on the compressor housing end flange, long screw) shows only a slight preload loss compared with a direct screw connection with short screws. The improvement is achieved by the significantly greater overall elongation and lower mean temperature of the tie rod.
- the direct screw connection (screw head supports on the turbine-side flange of the bearing housing, short screw) also requires a higher quality screw material due to the higher component temperatures.
- FIG. 2 shows a schematic section of a turbocharger 20 with a turbocharger housing 10, according to an embodiment of the invention.
- the turbocharger 20 has a turbo shaft 22, on which a turbine wheel 24 is mounted on one side and a compressor wheel 26 on the other side.
- the turbo shaft 22 is arranged in a bearing housing 14.
- the turbine wheel 24 is in this case arranged in a turbine housing 28 and correspondingly the compressor wheel 26 in a compressor housing, wherein the compressor housing For clarity in Fig. 2 has not been drawn.
- a pull-type threaded connector 30 is provided in contrast to the prior art, in which the turbine housing 28 and the compressor housing are bolted directly to the bearing housing 14, according to the invention.
- the turbine housing 28 is screwed to the bearing housing 14 at its end opposite the compressor housing (screw head abutments on the compressor-side flange of the bearing housing) via at least one or more tie rod bolts 32.
- the tie rod 32 requires, for example, a countersink 34 in the bearing housing 14 in which his screw head 36 is sunk. In this case, however, it is difficult to avoid the Switzerlandankerkopf 36 in the area, for example, a compressor diffuser of the
- Compressor housing (not shown) to place. Since air flows past there at high speed, it can come through the head 36 and its counterpart 34 to turbulence. This turbulence can lead to a deterioration of the compressor efficiency.
- a cover element 38 may be, for example, a cover plate 40, which is arranged in front of the head 36 of the tie rod 32 and covers it at least partially or preferably substantially completely.
- a corresponding receptacle 42 in the form of, for example, a recess 44 in the turbocharger housing 10 may be provided, in which the cover plate 40 is inserted.
- the cover member 38 may be formed closed or have small or just enough large openings for the tool engagement of the tie rod 32.
- the cover element 38 may, for example, at the same time also be formed as part of a wall 46 of a diffuser 48 of a compressor housing 50, as will be explained below of Fig. 3 will be explained.
- at least one cover member 38 may be provided to cover all the heads 36 of the tie rods 32 or more cover elements 38, depending on the structural conditions.
- the cover element 38 can be symmetrical, for example rotationally symmetrical, depending on the structural conditions of the bearing housing 10 or the fuselage group and the adjoining turbine or compressor housing 28, 50. However, it does not have to be symmetrical, but can have any shape.
- the head 36 of the tie rod 32 can also be covered with a plug element 52 as a cover element 38.
- a plug element 52 as a cover element 38.
- FIGS. 4a and 4b Two examples of such plug elements 52 are shown in the following FIGS. 4a and 4b.
- FIG. 3 furthermore shows a section of the turbocharger 20 with the turbocharger housing 10 according to FIG. 2, wherein the compressor housing 50 and the bearing housing 14 are shown here.
- the turbine housing 28 is screwed by a tie rod 32 or a plurality of tie rods 32 on a side opposite the compressor housing 50 side of the bearing housing 14 (yenkopfaufläge the compressor-side flange 54 of the bearing housing 14).
- a corresponding cover element 38 is provided which is accommodated, for example, in a receptacle 42 of the turbocharger housing 10 or the fuselage assembly.
- the cover element 38 can also be additionally fastened, for example by means of screwing or the like. This applies to all embodiments of the invention.
- the cover element 38 is, for example, a cover plate 40 which, as described above, is shaped such that it forms part of a wall 46 of the diffuser 48 of the compressor housing 50.
- the turbulences can be reduced to such an extent that no negative impact on the efficiency results.
- FIGS. 4a and 4b Two examples of plug elements 52 as cover elements 38 are shown in FIGS. 4a and 4b, it being obvious to a person skilled in the art that there are a multiplicity of possible variations here.
- the first plug element 38 in FIG. 4 a is designed, for example, in the form of a cap 56 which surrounds the screw head 36.
- the cap 56 can also be designed so that it protrudes laterally beyond the head 36 of the tie rod 32, as indicated by a dashed line to additionally cover, for example, the reduction 34 in the bearing housing 14 at least partially or completely.
- the second plug element 52 in FIG. 4 b is formed with a plate 58 with a projection 60 or plug, which is inserted into the depression 62 of the respective screw head 36.
- the plate 58 of the plug element 52 can project beyond the screw head 36 in order, for example, to cover at least partially or completely the screw head 36 and the countersink 34 in the bearing housing 14.
- the plate 58 of the plug member 38 is formed in the form of a band, with a plurality of projections 60 and extends over a plurality of screw heads 36.
- the second plug member 38 instead of the projection 60 or in addition to this may be formed with a cap 56, as shown by a dashed line in Fig. 4b.
- plug elements 38 can also be provided, which are inserted laterally or peripherally on the heads 36 into the gaps 64 formed by the counterbore 34 in order to cover these gaps 64.
- the heads 36 themselves can be covered with a plug element according to FIG. 4 a or 4 b, wherein the plate 58 of the plug member 38 in Fig. 4b can complete with the head 36 of the screw 32 to be covered.
- the covering elements 38 described above can be produced, for example, from metal or sheet metal.
- on the compressor side is in principle also conceivable to produce the cover elements 38, for example, from a suitable rubber or hard rubber or plastic, since the compressor side is not as hot as the turbine side.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Supercharger (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007034493A DE102007034493B3 (de) | 2007-07-24 | 2007-07-24 | Turbolader mit einem Turboladergehäuse welches eine Verschraubung mittels Zuganker aufweist |
| PCT/EP2008/059700 WO2009013332A2 (de) | 2007-07-24 | 2008-07-24 | Turbolader mit einem turboladergehäuse welches eine verschraubung mittels zuganker aufweist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2183474A2 true EP2183474A2 (de) | 2010-05-12 |
Family
ID=40202909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08775317A Withdrawn EP2183474A2 (de) | 2007-07-24 | 2008-07-24 | Turbolader mit einem turboladergehäuse welches eine verschraubung mittels zuganker aufweist |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20100189558A1 (de) |
| EP (1) | EP2183474A2 (de) |
| JP (1) | JP2010529361A (de) |
| DE (1) | DE102007034493B3 (de) |
| WO (1) | WO2009013332A2 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007017824A1 (de) * | 2007-04-16 | 2008-10-23 | Continental Automotive Gmbh | Abgasturbolader |
| DE102009052961A1 (de) * | 2009-11-12 | 2011-05-19 | Continental Automotive Gmbh | Abgasturbolader, Kraftfahrzeug und Verfahren zur Montage eines Abgasturboladers |
| DE102010033665A1 (de) | 2010-08-06 | 2012-02-09 | Schaeffler Technologies Gmbh & Co. Kg | Mehrteiliges Turboladergehäuse |
| KR101779897B1 (ko) * | 2010-08-24 | 2017-09-19 | 보르그워너 인코퍼레이티드 | 배기가스 터보차저의 베어링 하우징 |
| DE102010062749A1 (de) | 2010-12-09 | 2012-06-14 | Continental Automotive Gmbh | Turbolader, der in den Zylinderkopf eines Motors integriert ist. |
| GB2499627A (en) | 2012-02-23 | 2013-08-28 | Napier Turbochargers Ltd | Turbocharger casing |
| US9540950B2 (en) * | 2012-11-06 | 2017-01-10 | GM Global Technology Operations LLC | Oil deflector |
| DE102013111562A1 (de) * | 2013-10-21 | 2015-04-23 | Ihi Charging Systems International Gmbh | Abgasturbolader |
| US9657596B2 (en) * | 2014-09-26 | 2017-05-23 | Electro-Motive Diesel, Inc. | Turbine housing assembly for a turbocharger |
| US11060416B2 (en) | 2019-01-31 | 2021-07-13 | Transportation Ip Holdings, Llc | Systems for a turbocharger |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US433205A (en) * | 1890-07-29 | Street or station indicator | ||
| US3056634A (en) * | 1959-08-03 | 1962-10-02 | Schwitzer Corp | Bearing structure |
| JPS5848045B2 (ja) * | 1979-02-21 | 1983-10-26 | 株式会社井上ジャパックス研究所 | 磁気目盛検出測定装置 |
| US4240678A (en) * | 1979-02-22 | 1980-12-23 | Wallace Murray Corporation | Non-rotating fluid damped combination thrust and journal bearing |
| JPS60100533A (ja) * | 1983-11-04 | 1985-06-04 | Mitsui Toatsu Chem Inc | グリオキサ−ルの製造法 |
| US4704075A (en) * | 1986-01-24 | 1987-11-03 | Johnston Andrew E | Turbocharger water-cooled bearing housing |
| JPS62178829A (ja) * | 1986-01-31 | 1987-08-05 | Mitsubishi Electric Corp | 空気調和機 |
| DE3712444A1 (de) * | 1987-04-11 | 1988-10-27 | Kuehnle Kopp Kausch Ag | Abgasturbolader-lagerung |
| US4969805A (en) * | 1989-05-02 | 1990-11-13 | Allied-Signal Inc. | Unidirectional turbocharger assembly |
| US5026260A (en) * | 1989-09-08 | 1991-06-25 | Allied-Signal Inc. | Turbocharger with turbine backplate and center housing oil shield |
| US6017184A (en) * | 1997-08-06 | 2000-01-25 | Allied Signal Inc. | Turbocharger integrated bearing system |
| JP2002180841A (ja) * | 2000-12-14 | 2002-06-26 | Toyota Motor Corp | ターボコンプレッサ及びターボチャージャ |
| DE10311996B4 (de) * | 2003-03-19 | 2005-02-24 | Mtu Friedrichshafen Gmbh | Anordnung eines Abgasturboladers mit einem Trägergehäuse |
| EP1467151A1 (de) * | 2003-04-10 | 2004-10-13 | Siemens Aktiengesellschaft | Hitzeschildelement |
| WO2008055717A1 (de) * | 2006-11-10 | 2008-05-15 | Abb Turbo Systems Ag | Gehäuseverbindung eines abgasturboladers |
| DE102007027455A1 (de) * | 2007-06-14 | 2008-12-24 | Continental Automotive Gmbh | Turbolader mit wenigstens einem Einstellteil zum Einstellen eines Spalts an einem Laufrad |
-
2007
- 2007-07-24 DE DE102007034493A patent/DE102007034493B3/de active Active
-
2008
- 2008-07-24 EP EP08775317A patent/EP2183474A2/de not_active Withdrawn
- 2008-07-24 US US12/664,819 patent/US20100189558A1/en not_active Abandoned
- 2008-07-24 WO PCT/EP2008/059700 patent/WO2009013332A2/de not_active Ceased
- 2008-07-24 JP JP2010511665A patent/JP2010529361A/ja active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009013332A3 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009013332A2 (de) | 2009-01-29 |
| WO2009013332A3 (de) | 2009-03-19 |
| JP2010529361A (ja) | 2010-08-26 |
| DE102007034493B3 (de) | 2009-02-19 |
| US20100189558A1 (en) | 2010-07-29 |
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| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: NOWACK, STEFAN Inventor name: KRAUSS, STEFAN Inventor name: HELD, JOCHEN Inventor name: FAETH, HOLGER Inventor name: FRANKENSTEIN, DIRK Inventor name: CLAUS, HARTMUT Inventor name: BOENING, RALF |
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