US20120282084A1 - Receptacle device for the rotor assembly of a turbocharger - Google Patents
Receptacle device for the rotor assembly of a turbocharger Download PDFInfo
- Publication number
- US20120282084A1 US20120282084A1 US13/509,637 US201013509637A US2012282084A1 US 20120282084 A1 US20120282084 A1 US 20120282084A1 US 201013509637 A US201013509637 A US 201013509637A US 2012282084 A1 US2012282084 A1 US 2012282084A1
- Authority
- US
- United States
- Prior art keywords
- bearing
- turbocharger
- housing
- turbocharger according
- inserted sleeve
- 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.)
- Abandoned
Links
- 239000000314 lubricant Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 description 7
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
-
- 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
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
- F01D25/162—Bearing supports
-
- 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
-
- 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
- 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
- F04D25/024—Units comprising pumps and their driving means the driving means being assisted by a power recovery turbine
-
- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/0563—Bearings cartridges
-
- 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
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
- F16C17/18—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with floating brasses or brushing, rotatable at a reduced speed
-
- 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
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/14—Casings or housings protecting or supporting assemblies within
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
- F16C2360/24—Turbochargers
Definitions
- the invention relates to a receptacle device for the rotor assembly of a turbocharger, wherein the rotor assembly comprises a shaft, a bearing arrangement and at least one rotor wheel, and wherein the housing of the turbocharger is designed so as to be divided in the longitudinal direction into at least two housing halves.
- a turbocharger comprises an exhaust gas turbine in an exhaust gas mass flow, which is connected by a shaft to a compressor in the intake section.
- the turbine wheel of the turbine is arranged in a turbine housing, and the compressor wheel of the compressor is arranged in a compressor housing.
- the shaft is supported in a bearing housing.
- the turbine wheel is driven by the exhaust gas mass flow and, in turn, drives the compressor wheel.
- the compressor compresses the induced air and feeds it to the internal combustion engine.
- the shaft is supported in the bearing housing by means of a radial bearing arrangement. Owing to fluid flows acting on the turbine wheel and the compressor wheel, powerful axial forces can occur.
- the radial bearings are generally not suitable for absorbing such axial forces. The usual practice is therefore to provide at least one or two additional axial bearings in order to absorb these axial forces in an appropriate manner.
- turbochargers furthermore provides for individual housings which are fastened one behind the other and sealed off relative to one another.
- a new form of turbocharger housing now envisages dividing the turbocharger housing in the longitudinal direction, not transversely to the longitudinal axis thereof as hitherto.
- turbocharger has a turbocharger housing divided in the longitudinal direction into at least two housing halves.
- the invention provides a turbocharger having a turbocharger housing, wherein at least one section of the turbocharger housing is designed so as to be divided in the longitudinal direction into at least two housing halves, wherein a receptacle device for receiving a rotor assembly of the turbocharger is provided.
- the turbocharger has the advantage that the receptacle device can be fully preassembled with the rotor assembly, i.e. the shaft and the bearing assembly thereof plus the rotor wheels, and then inserted into the housing halves.
- the receptacle device, together with the rotor assembly in addition, can then be fastened to one or both housing halves.
- the rotor assembly had to be, as it were, slipped on, there being no possibility of preassembly.
- FIG. 1 shows a sectioned view of a turbocharger, wherein the turbocharger housing is divided in the longitudinal direction into two housing halves, wherein the turbocharger has a receptacle device according to a first embodiment of the invention
- FIG. 2 shows a further sectioned view through a turbocharger housing having a receptacle device according to a variant of the first embodiment of the invention
- FIG. 3 shows a sectioned view through a turbocharger housing having a receptacle device according to a second embodiment of the invention.
- FIG. 4 shows a sectioned view through a turbocharger housing having a receptacle device according to a third embodiment of the invention.
- turbocharger housing For assembly, an appropriate design of turbocharger housing is one in which at least one section of the turbocharger housing is designed so as to be divided in the longitudinal direction into at least two housing halves, thus enabling the rotor assembly to be inserted radially. Hitherto, the rotor assembly was installed axially in a bearing housing, and the components of the rotor were, as it were, slipped on. In this case, the housing is normally of closed design.
- the rotor assembly of a turbocharger and the bearing assembly thereof is received in a turbocharger housing divided in the longitudinal direction into at least two housing halves, as shown by way of example in following FIGS. 1 to 4 .
- the rotor assembly is preferably positioned with respect to the contour of the flow-guiding surfaces.
- the turbocharger housing or at least one housing half can be designed so as to be integrated at least partially or substantially completely into an engine block of a connected internal combustion engine and/or into a corresponding cylinder head or cylinder heads of the internal combustion engine.
- a seat is formed for a respective sealing device in such a way that it has a certain concentricity so as to be leaktight and maintains a certain predetermined play.
- FIG. 1 first of all shows a sectioned view through a turbocharger 10 having a turbocharger housing 12 , which is embodied in such a way as to be divided in the longitudinal direction, into at least two housing halves 14 , 16 for example.
- the turbocharger housing 12 has a bearing housing 18 , a turbine housing 20 and a compressor housing 22 , and, by way of example, all three housings are combined into a single housing and designed so as to be divided in the longitudinal direction into two housing halves 14 , 16 .
- the turbocharger housing 12 is embodied in such a way as to be divided in the longitudinal direction, in a horizontal plane for example, wherein the longitudinal axis 24 of the turbocharger housing 12 lies in the horizontal plane.
- the turbocharger housing 12 can be designed so as to be divided in the longitudinal direction into at least two housing halves 14 , 16 in any plane.
- the longitudinal axis 24 does not have to lie in this parting plane or intersect the latter, for example, although it can do so, in principle.
- the turbocharger housing 12 is, as an option, additionally embodied in such a way that it can be at least partially temperature-controlled or cooled and/or heated.
- the region of the turbocharger housing 12 in the example shown in FIG. 1 e.g. the rotor wheel housing 20 , 22 and/or the bearing housing 18 , has an additional fluid jacket 26 , in which a fluid, e.g. water, can be circulated in order to cool and/or heat this region of the turbocharger housing 12 , depending on function and application.
- a fluid e.g. water
- the housing halves 14 , 16 shown in FIG. 1 are fastened to one another and sealed off from one another.
- a plurality of holes for example, for screwing the two housing halves 14 , 16 to one another are provided (not shown).
- any other form of fastening which is suitable for connecting the two housing halves 14 , 16 to one another and allowing or itself providing a seal between the two housing halves 14 , 16 .
- a sealing device 28 which has, for example, at least one beaded seal, O-ring seal and/or elastomer seal.
- the seal e.g.
- the beaded seal is inserted into a corresponding seal seat in one housing half 14 , 16 , e.g. into a corresponding recess or groove. It is likewise possible, for example, simply to insert the beaded seal directly between the two housing halves 14 , 16 , with the other, unsealed, housing half surfaces preferably being in direct contact.
- the sealing of the two housing halves 14 , 16 forms the subject matter of a separate patent application.
- a shaft 30 on which a turbine wheel 32 and a compressor wheel 34 are provided as rotors, is supported in the bearing housing section 18 of the turbocharger housing 12 .
- the turbine wheel 32 is arranged in the turbine housing section 20
- the compressor wheel 34 is arranged in the compressor housing section 22 of the turbocharger housing 12 .
- a first embodiment according to the invention provides a sleeve element or inserted sleeve 36 as a receptacle device, said sleeve being inserted, together with the installed rotor, i.e. the shaft 30 , a bearing assembly, the compressor wheel 34 and turbine wheel 32 , into the housing halves 14 , 16 of the divided turbocharger housing, and optionally being additionally fastened therein by means of one or more pin elements and/or screws, for example, and therefore secured.
- the installed rotor i.e. the shaft 30 , a bearing assembly, the compressor wheel 34 and turbine wheel 32
- the sleeve element or inserted sleeve 36 according to the first embodiment of the invention has the advantage that it can be inserted together with the fully assembled rotor assembly into the housing halves 14 , 16 of the longitudinally divided turbocharger housing 12 or, for example, can be inserted into corresponding cylinder head halves (not shown) and/or the engine block, into which one or both housing halves can be designed to be at least partially integrated.
- an axial bearing arrangement or at least one axial bearing to be additionally fastened to the inserted sleeve 36 , as shown by way of example in following FIG. 2 .
- This has the advantage that the oil flow and the bearing tolerances can be implemented in an optimum manner and that the position of the bearing arrangement and of the oil feed relative to one another can be better defined.
- a radial bearing arrangement 38 is provided in the inserted sleeve 36 to provide support for the shaft 30 in the radial direction.
- the radial bearing arrangement 38 has two radial plain bearings 40 , for example.
- any other type of radial bearings can be provided, e.g. magnetic bearings, rolling contact bearings etc.
- the radial plain bearings 40 are arranged in the inserted sleeve 36 , being spaced apart by a spacer sleeve 42 , for example.
- any other radial bearing arrangement can be arranged in the inserted sleeve 36 .
- the inserted sleeve 36 optionally has, in addition, at least one lubricant feed 44 for lubricant for at least one or both bearings or, in this case, plain bearings of the radial bearing arrangement, wherein lubricant feed 44 is connected to the lubricant feed 46 of the turbocharger housing 12 .
- the inserted sleeve 36 is inserted with the shaft 30 and at least one or both rotor wheels 32 , 34 into the respective housing half 14 , 16 of the turbocharger housing 12 .
- the shaft 30 forms an offset with a stop for the radial bearing arrangement 38 , for example.
- an axial bearing arrangement 48 is additionally provided at the other end of the inserted sleeve 36 , having at least one axial bearing 50 , wherein the axial bearing 50 is designed as an axial bearing washer, for example, and can be additionally fastened to the inserted sleeve 36 , depending on function and application, as shown by way of example and in a purely schematic way in following FIG. 2 .
- the axial bearing can be fastened to the inserted sleeve 36 by means of screwing and/or pinning, for example, depending on requirements.
- the axial bearing 50 can additionally be bounded on one side by a bush element 52 , for example.
- the bush element 52 can additionally have at least one sealing device 54 on the outside thereof for the purpose of sealing the bearing housing section 18 , for example, with respect to the rotor wheel housing section 22 .
- Two piston ring seals in corresponding grooves on the outside of the bush element 52 can be provided as a sealing device 54 , for example.
- FIG. 2 shows another sectioned view of a turbocharger housing 12 divided in the longitudinal direction into at least two housing halves 14 , 16 , wherein a sleeve element or inserted sleeve 36 according to the first embodiment of the invention is likewise used as a receptacle device.
- a radial bearing arrangement 38 is received in the inserted sleeve 36 in order to provide support for the shaft 30 in the radial direction.
- the radial bearing arrangement 38 likewise has two radial plain bearings 40 , for example, wherein the inserted sleeve 36 is simultaneously designed as a spacer sleeve for the purpose of positioning the two bearings.
- An additional lubricant feed 44 leading to one or both radial plain bearings 40 can furthermore be provided in the inserted sleeve 36 , said lubricant feed being connected to a corresponding lubricant feed 46 of the turbocharger housing 12 and/or one housing half 14 .
- an axial bearing arrangement 48 can also additionally be provided as well as the radial bearing arrangement 38 , said axial bearing arrangement having at least one axial bearing 50 for example, e.g. in the form of an axial bearing washer.
- the axial bearing 50 in FIG. 2 is shown in a greatly simplified form and in a purely schematic way.
- at least one axial bearing 50 can, for example, be additionally fastened to the inserted sleeve 36 , e.g. by means of screwing and/or pinning.
- the axial bearing 50 is fastened to a collar section 56 of the inserted sleeve 36 , for example.
- the inserted sleeve 36 can have a collar section 56 of this kind at one or both ends, wherein the collar section 56 can be of elastic/flexible or rigid design.
- the inserted sleeve 36 can thus be clamped in a receptacle 58 of the turbocharger housing 12 .
- the collar sections 56 it is likewise possible for the collar sections 56 to be omitted.
- the axial bearing 50 it is likewise possible for the axial bearing 50 to be additionally fastened directly to the turbocharger housing 12 by screwing and/or pinning.
- the inserted sleeve 36 has the advantage that it can be inserted into the housing halves 14 , 16 of the turbocharger housing 12 or, for example, into a cylinder head or into an engine block (not shown), together with the fully assembled rotor assembly, in which case a screwing operation can be omitted. In addition, damping of the oil or lubricant surrounding the sleeve is obtained.
- FIG. 3 furthermore shows a sectioned view through a turbocharger housing 12 having a bearing bracket 60 as a receptacle device for supporting the rotor assembly of the turbocharger 10 according to a second embodiment of the invention.
- the bearing bracket 60 is fastened to one housing half 14 of the longitudinally divided turbocharger housing 12 , e.g. by means of screwing and/or pinning.
- the bearing bracket 60 is fastened to the housing half 14 , 16 by screws 64 , for example.
- the shaft 30 of the turbocharger 10 is received with a bearing arrangement, in this case a radial bearing arrangement 38 for example, between the bearing bracket 60 and the housing half 14 , 16 of the turbocharger housing, as is shown in greater detail in FIG. 3 .
- the radial bearing arrangement 38 has two radial bearings in the form of radial plain bearings 40 , for example. At least one or both radial bearings 40 of the radial bearing arrangement 38 are received by the bearing bracket 60 . As an alternative, it is also possible for each radial bearing to be received in a dedicated bearing bracket 60 .
- the respective bearing bracket 60 is attached to said housing half 14 in order to fasten the rotor assembly additionally thereon.
- the bearing bracket 60 and, with the latter, the rotor assembly is fastened to the housing half 14 by means of screwing or pinning, for example, as described above.
- a bearing receptacle for the respective bearing arrangement is obtained which has a high truth of running and accuracy of position, even after reassembly.
- Another advantage of this embodiment is that there are no interruptions in the bearing surfaces due to a seal, which would otherwise disrupt the sliding film of a plain bearing arrangement, for example. This also enables the lubricant discharge to be configured in an optimum manner.
- FIG. 4 shows a sectioned view through another turbocharger housing 12 divided in the longitudinal direction into at least two housing halves 14 , 16 .
- a bearing core or bearing block 66 is used as a receptacle device for mounting the rotor assembly of the turbocharger 10 .
- the bearing core or bearing block 66 is fastened in one of the housing halves 14 of the longitudinally divided turbocharger housing 12 , together with the assembled rotor assembly.
- the bearing core 66 it is also possible for the bearing core 66 to be fastened, e.g. screwed, into a cylinder head and/or an engine block for example, into which at least one housing half can be at least partially integrated for example.
- the bearing core 66 has an opening 68 , in which the shaft 30 of the turbocharger 10 and, for example, a bearing arrangement can be received.
- the bearing arrangement is, for example, a radial bearing arrangement 38 which has two radial bearings 40 , wherein at least one or both radial bearings can be accommodated in the opening 68 of the bearing core 66 with the shaft 30 .
- the bearing core or bearing block 66 is fastened with the shaft 30 and the bearing arrangement to a housing half 14 of the turbocharger housing 12 .
- the housing half 14 has a corresponding receptacle 70 or depression, in which the bearing core 66 is received.
- the bearing core 66 furthermore has at least one lug 62 on one or both sides, by means of which the bearing core 66 is fastened to the housing half 14 , e.g. by means of screwing and/or pinning.
- the bearing core 66 is screwed firmly to the housing half 14 on each side by means of its lugs 62 or projections, using screws 64 .
- the rotor assembly can be inserted into the housing half 14 and fastened thereto very easily with the bearing core 66 .
- each bearing core 66 receives at least one bearing, for example, in this case a radial plain bearing 40 for example.
- This embodiment according to the invention has the advantage that the machining for the respective bearing receptacle has to be carried out in only one component, in this case the bearing core 66 , since there is no division of the bearing location in this case. This furthermore has the advantage that no offset can arise. Another advantage of the bearing core 66 is that high truth of running can be achieved. Moreover, machining of the bearing location independently of the housing halves 14 in the case of the solution involving the bearing core 66 is advantageous.
- the invention as described above by way of example with reference to FIGS. 1 to 4 can furthermore have an axial bearing arrangement, as shown in FIGS. 1 and 2 .
- the axial bearing arrangement has at least one axial bearing, e.g. in the form of an axial bearing washer, wherein the axial bearing can be provided on or additionally fastened to the bearing block or the bearing core, the bearing bracket, the inserted sleeve and/or the housing half of the turbocharger housing.
- This has the advantage that the axial bearing arrangement can be assembled outside the housing halves and then inserted together with the rotor into the housing halves.
- FIG. 1 The depiction of the turbocharger in FIG. 1 with the support for the shaft and elements thereof, such as the bush element and the bearing arrangements etc. is purely illustrative. The invention is not restricted to this specific embodiment as shown in FIG. 1 and also in the other figures, FIGS. 2 to 4 .
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Supercharger (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102009053101.7A DE102009053101B4 (de) | 2009-11-13 | 2009-11-13 | Turbolader mit einem Turboladergehäuse und einer Aufnahmeeinrichtung für das Laufzeug des Turboladers |
DE102009053101.7 | 2009-11-13 | ||
PCT/EP2010/066829 WO2011057946A1 (de) | 2009-11-13 | 2010-11-04 | Aufnahmeeinrichtung für das laufzeug eines turboladers |
Publications (1)
Publication Number | Publication Date |
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US20120282084A1 true US20120282084A1 (en) | 2012-11-08 |
Family
ID=43531046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US13/509,637 Abandoned US20120282084A1 (en) | 2009-11-13 | 2010-11-04 | Receptacle device for the rotor assembly of a turbocharger |
Country Status (4)
Country | Link |
---|---|
US (1) | US20120282084A1 (zh) |
CN (1) | CN102612608B (zh) |
DE (1) | DE102009053101B4 (zh) |
WO (1) | WO2011057946A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160115824A1 (en) * | 2014-02-19 | 2016-04-28 | Mitsubishi Heavy Industries Compressor Corporation | Rotary system |
US20210025325A1 (en) * | 2019-07-23 | 2021-01-28 | Transportation Ip Holdings, Llc | System for a combined turbine, compressor, shroud, and bearing case for a turbocharger |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010013697B4 (de) * | 2010-04-01 | 2014-04-10 | Continental Automotive Gmbh | Turbolader |
DE102014201081A1 (de) * | 2014-01-22 | 2015-07-23 | Bayerische Motoren Werke Aktiengesellschaft | Abgasturbolader |
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US4101243A (en) * | 1975-02-28 | 1978-07-18 | Vsesohuzny nauchno-issledovatelsku I Proktno-Konstruk torsky institut. Dobychi Uglya Grdravlicheskin Sposobom "Vnllgidrougal" | Centrifugal two-stage pump |
US4137006A (en) * | 1977-01-26 | 1979-01-30 | K B Southern, Inc. | Composite horizontally split casing |
US4541786A (en) * | 1982-09-03 | 1985-09-17 | Ford Motor Company | Ceramic turbocharger |
US4557679A (en) * | 1983-11-30 | 1985-12-10 | Hitachi, Ltd. | Rotary fluid machine with thrust bearing mounting unit |
US4676667A (en) * | 1985-03-13 | 1987-06-30 | Nissan Motor Co., Ltd. | Variable preload shaft bearing for turbocharger |
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DE19758642C2 (de) * | 1996-10-09 | 2002-07-11 | Mann & Hummel Filter | Turbine |
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- 2010-11-04 WO PCT/EP2010/066829 patent/WO2011057946A1/de active Application Filing
- 2010-11-04 US US13/509,637 patent/US20120282084A1/en not_active Abandoned
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US7461979B2 (en) * | 2004-06-28 | 2008-12-09 | Honeywell International, Inc. | Retention of ball bearing cartridge for turbomachinery |
US7478532B2 (en) * | 2005-11-07 | 2009-01-20 | Honeywell International, Inc. | Turbocharger containment shield |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160115824A1 (en) * | 2014-02-19 | 2016-04-28 | Mitsubishi Heavy Industries Compressor Corporation | Rotary system |
US10227894B2 (en) * | 2014-02-19 | 2019-03-12 | Mitsubishi Heavy Industries Compressor Corporation | Rotary system |
US20210025325A1 (en) * | 2019-07-23 | 2021-01-28 | Transportation Ip Holdings, Llc | System for a combined turbine, compressor, shroud, and bearing case for a turbocharger |
US11761379B2 (en) * | 2019-07-23 | 2023-09-19 | Transportation Ip Holdings, Llc | System for a combined turbine, compressor, shroud, and bearing case for a turbocharger |
Also Published As
Publication number | Publication date |
---|---|
DE102009053101B4 (de) | 2016-02-25 |
WO2011057946A1 (de) | 2011-05-19 |
CN102612608A (zh) | 2012-07-25 |
DE102009053101A1 (de) | 2011-05-19 |
CN102612608B (zh) | 2015-11-25 |
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