Classifications

• • 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
  • 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
  • F01D25/08—Cooling; Heating; Heat-insulation
  • F01D25/14—Casings modified therefor
• • 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
  • F01D25/26—Double casings; Measures against temperature strain in casings
• • 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
  • 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
  • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
  • F02C7/20—Mounting or supporting of plant; Accommodating heat expansion or creep
• • 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
  • F04D29/60—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
  • 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
  • F05D2230/50—Building or constructing in particular ways
  • F05D2230/53—Building or constructing in particular ways by integrally manufacturing a component, e.g. by milling from a billet or one piece construction
• • 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
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T29/00—Metal working
  • Y10T29/54—Miscellaneous apparatus
• • 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
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T407/00—Cutters, for shaping
  • Y10T407/20—Profiled circular tool

Definitions

• the invention relates to a turbocharger housing, wherein the door ⁇ boladergephaseuse least one or two impeller housing, for example a compressor housing and a turbine housing, and a La ⁇ gergephaseuse has. Furthermore, the invention relates to a tool device for machining the turbocharger housing.
• turbochargers serve to improve the efficiency of an internal combustion engine and thus increase its performance.
• the turbocharger has a turbine with a turbine wheel and a compressor with a compressor wheel, wherein the two wheels are arranged on a common shaft.
• the turbine wheel is in this case driven by an exhaust gas ⁇ mass flow of a connected internal combustion engine and in turn drives the compressor.
• the compressor in this case compresses the intake air and supplies it to the internal combustion engine.
• the shaft is mounted in a La ⁇ gergepuruse the turbocharger.
• the turbine wheel of the turbine is arranged in a turbine housing and the compressor wheel of the compressor in a compressor housing.
• Such a turbocharger has to fulfill various requirements in operation on the internal combustion engine or a connected engine.
• One of these requirements is to absorb the high temperatures that occur, for example, due to the hot exhaust gas mass flow in the turbocharger housing .
• the common design of the turbocharger provides this individual case before, with an adapted respectively to the prevailing Tempe ⁇ ture material.
• the compressor housing is usually made of aluminum, while the bearing housing is made of gray cast iron, wherein the bearing housing can also be performed in addition water ⁇ cooled.
• the turbine housing is as ⁇ derum generally made of materials with a high nickel content that exist in this area due to the high temperatures. Due to the adapted, different materials for the individual housings, these housings are designed as se ⁇ ready parts that are connected to each other and also need to be sealed against each other. Such a turbocharger is therefore expensive to manufacture and assembly.
• a turbocharger housing is provided ⁇ which is at least partially or completely divided in the longitudinal direction in at least two housing halves, wherein the longitudinally divided portion of the turbocharger housing comprises a compressor housing, a Lagergephinu ⁇ se and / or a turbine housing.
• the Turboladerge ⁇ housing can be made for example of aluminum or an aluminum alloy ⁇ or of another metal or metal alloy or another suitable material.
• the turbocharger housing has the advantage that the running ⁇ tool, ie the wheels on the shaft and the Lageranord- tion of the shaft, can be pre-assembled and then completely inserted into the housing halves. Furthermore, the power tool may be subjected to an operational balancing previously without having to be previously mounted in the turbocharger housing.
• a tool device for machining the at least partially or fully provided in the longitudinal direction geteil ⁇ th turbocharger housing, wherein said tool means comprises at least one or more tool elements on ⁇ has for processing at least a portion of the in
• Fig. 1 is a sectional view of a housing half of a door ⁇ boladergeophuses according to a first embodiment of the invention seen from the gasket side;
• FIG. 2 is a sectional view of a turbocharger housing according to the first embodiment of the invention, wherein the first and second housing half of the turbocharger ⁇ housing are shown in the sectional view;
• Fig. 3 is a schematic front view of possible
• Section planes of the turbocharger housing according to the invention is a schematic side view of possible
• FIG. 5 is a sectional view of an upper half of the housing ei ⁇ nes turbocharger housing according to the invention and a
• Fig. 1 is a sectional view through a housing half 10 of a turbocharger housing 12 according to a first embodiment ⁇ form of the invention is shown, wherein the housing half 10 is shown from the seal side.
• the sealing device for sealing the two housing halves 10 will be explained in more detail with reference to FIG.
• a Ausspa ⁇ tion 50 or groove is exemplified for receiving a sealing device.
• the turbocharger housing 12 has in the present example, in this case, a bearing housing 14, a turbine housing 16 and a compressor housing 18, in which are combined to form ei ⁇ nem housing 12, for example, every three inches.
• the invention consists in the illustrated case, for example, all three housing 14, 16, 18 initially to summarize mentally and produce as a part or pour, for example, from one piece.
• For mounting the rotor or the wheels and for processing the inner functional surfaces further defines a division, through which the interior of the housing 12 can be opened.
• This division is according to the invention in the longitudinal direction, for example in the horizontal or a horizontal plane or in a plane with a different angle to the horizontal plane.
• FIGS. 3 and 4 examples for different graduation planes in the longitudinal direction of the turbocharger housing are explained in greater detail.
• the entire turbocharger housing 12, consisting of the Verêtrge ⁇ housing 18, the turbine housing and the bearing housing 16 may be divided in the longitudinal direction 14 are formed.
• ge ⁇ shares 12 also only a portion of the turbocharger housing, wherein the section summarizes, for example, an impeller housing 16, 18 and / or the bearing housing 14 environmentally.
• the turbine housing 16, the bearing housing 14, and the compressor housing 18 may be formed from at least two or more housing halves 10, one at a time.
• the turbocharger housing 12 is divided in the horizontal into two housing halves 10.
• a first housing half 10 sub-part forms consisting, for example from the turbine housing 16, the bearing housing 14 and the compressor housing 18, the so-called.
• Shell and a second Gehot ⁇ sehcellulose consisting of the turbine housing 16, the Lagerge ⁇ housing 18 and the compressor housing 14, the so-called..
• FIG. 1 here is a housing half 10 of the sealing ⁇ side shown.
• This half of the housing 10 is in this case with the other housing half (not shown), screwed at ⁇ play.
• any other form of attachment of the housing halves can be provided. Screwing is just an example. Due to the division in the longitudinal direction, in the present example, the horizontal or substantially horizontal division, initially direct advantages. Thus, an automated pre-assembly of the tool, including the two Laufrä ⁇ , such as the compressor 22 and the turbine 24, and the shaft 26 is possible. The subsequent assembly in the turbo ⁇ loader is significantly simplified.
• a fluid or heating jacket 28 be provided with a fluid core.
• this fluid jacket 28 spans the bearing housing section 14 and the turbine housing section 16 of the turbocharger housing 12 without undercuts, since in the present example the turbine housing 16 and the bearing housing 14 are additionally to be cooled, for example. In this way, for example, a sand core needs to manufacture 28 len not be assembled ⁇ of several pieces and glued the fluid mantle.
• turbocharger housing 12 can be integrated into the engine block and / or cylinder head of a connected engine.
• the lower part of the Turboladergeophu ⁇ ses 12 are integrated into the engine block and the upper part in the cylinder head or vice versa.
• the shaft 26 is mounted in the bearing housing portion 14 of the turbocharger ⁇ housing 12, on which the turbine ⁇ wheel 24 and the compressor wheel 22 are provided.
• the Turbi ⁇ nenrad 24 is in the turbine housing section 16 and the compressor 22 in the compressor housing portion 18 Toggle orderly.
• the shaft 26 further includes a radial bearing ⁇ arrangement 30 and optionally additionally a Axiallageranord ⁇ tion 32.
• the Lageranord ⁇ tion 30 is axially braced installed, for example via resiliently acting collar portions 34.
• the shaft 26 via the radial bearing assembly 30 and the thrust bearing assembly 32 is mounted.
• the radial bearing assembly 30 has, for example, a continuous sleeve 36, which forms a sliding ⁇ bearing portion 38 at its two ends, for supporting the shaft 26 in the radial direction.
• the sleeve 36 is thereby maro ⁇ ben on the shaft 26, wherein the shaft 26 forms, for example, a paragraph with a stop for the sleeve 36.
• the thrust bearing assembly 32 has at least one thrust bearing, for example in the form of a thrust washer 40.
• a layer may be on the outside of the sleeve 36 optionally additionally be disposed 44 from at least one or meh ⁇ eral layers of refractory or temperaturbehavi- like elastic material such as Example ⁇ as a polymer, an elastomer and / or a hard rubber to just to name a few examples.
• a sleeve member 46 is also provided on the outside of the layer 44 of the elastic, temperature-resistant material.
• the sleeve member 46 is for example made of metal, eg steel.
• the elastic, tempera ⁇ turbe driving material can also be dispensed with and, instead, the sleeve member 46 on the outside of the sleeve 36 upstream be seen (not shown) or optionally the sleeve 36 may be formed so that it not only acts as a radial bearing ⁇ arrangement 30 but also as a sleeve member 46
• the sleeve member 46 has in the example shown in Fig. 1 at ⁇ play in each case on a collar portion 34 at its both ends.
• at least one or both collar sections 34 of the sleeve element 46 are designed to be resilient in order to be clamped between two stops or receptacles 48 or here projections of the turbocharger housing 12.
• One or both collar portion 34 can also not fe ⁇ stemming or stiff be formed and inserted between the two receptacles 48 and optionally on one or both sides additionally fastened with screws on the receptacles 48.
• At least one of the spring-acting Kra ⁇ genabitese 34 can also be optionally additionally secured by means of eg screwing to the respective receptacle 48.
• One or both collar portions 34 are for example integrally connected to the sleeve member 46 or attached as a separate part of this (not darges ⁇ tellt).
• At least one collar section 34 can also optionally be led out of the oil space, as in FIG. 1, for example on the turbine side, and take on additional functions, such as those of a heat shield. However, one or both collar sections 34 can also remain within the oil space, as the collar section 34 of the sleeve element ment 46 on the compressor side. Furthermore, a sol ⁇ che bearing assembly 30 has the advantage that it can be fully pre-assembled in itself and thus can be balanced for example without the order ⁇ giving housing.
• the radial bearing assembly 30 and thrust bearing assembly 32 in Fig. 1 are merely an example of a bearing of the shaft 26 in the radial and axial directions.
• the shaft 26 in the turbocharger housing 12 according to the invention can have any other radial bearing arrangement and / or thrust bearing arrangement.
• the sleeve 36 for example, also be replaced by two radial bearings (not shown), with the two plain bearings, for example, optionally zusharm ⁇ Lich comprise a spacer sleeve or the sleeve member 46 each have a receptacle for a or ⁇ de bearings on its inner side (not shown).
• non-contact bearings such as magnetic bearings, and rolling bearings for radial and / or axial storage can be provided.
• the invention is not limited to the examples of bearing arrangements shown and described.
• FIG. 2 is a further sectional view of a erfindungsge ⁇ MAESSEN turbocharger housing 12 is illustrated, wherein the first and second housing half 10, 11 of the turbocharger housing are shown in the sectional view 12.
• the two first and second housing halves 10, 11 of the turbocharger housing 12 after installation of the wheels 22, 24 and the shaft 26 with the radial bearing assembly 30 and / or thrust bearing assembly 32, for example by screwing, fastened together.
• the two housing halves 10, 11 au ⁇ ßerdem sealed against each other.
• the sealing means which to seal the two housing halves 10, 11 is provided may in this case have, for example, a bead seal on ⁇ , the grooves or recesses in one or both overall housing halves 10, 11 is inserted, which then touch the übri ⁇ gen, not sealed housing halves surfaces, for example, directly.
• An embodiment of such a recess or groove 50 is shown by way of example in FIG.
• the sealing means can also be at least one O-ring and / or at least one elastomer having for colder regions, such as the Verêtrgepurab ⁇ section 18, and a bead gasket for warmer region at ⁇ game as the bearing housing portion 14 and in particular the turbine housing section 16 .
• the sealing of the two housing ⁇ halves 10, 11 also forms the core of a separate patent application.
• turbocharger can both (not shown) be formed as a separate part and insbesonde ⁇ re as part of a cylinder head of an associated internal combustion engine and / or as part of an engine block 52 of the internal combustion engine, as shown in Figure 2 is indicated by a dashed line.
• the outlet for the exhaust gas mass ⁇ stream of the cylinder head can be connected directly to the inlet of the turbine or formed and / or the outlet for the compressed air of the compressor directly connected to the inlet for the compressed air of the cylinder head or out ⁇ forms be (not shown).
• turbocharger or a part of the turbocharger can not only be integrated into the cylinder head but optionally additionally or alternatively, a part or substantially the entire turbocharger can be integrated into the engine block 52 of the connected internal combustion engine.
• the turbine inlet 54 may be connected to or integrated into the exhaust gas mass flow outlet of the internal combustion engine 52 and / or the compressed air outlet 56 of the compressor with the compressed air inlet to the engine or engine block 52, respectively connected or integrated into it.
• Lubricating oil can be integrated from the bearing assembly in the engine block of the connected internal combustion engine.
• the upper housing half of the turbocharger housing can be integrated into the cylinder head.
• an independent turbocharger with, for example, an upper and a lower housing half can be provided.
• the lower shell half of the turbocharger may be integrated with the engine block and the upper shell half of the turbocharger with the cylinder head.
• the invention is not limited to these examples for the partial or complete integration of the turbocharger.
• FIG. 3 shows a greatly simplified and purely schematic front view of the turbocharger housing 12 for possible sectional planes of the turbocharger housing according to the invention.
• the turbocharger housing 12 be ⁇ standing from the turbine housing, the bearing housing and / or the compressor housing, formed in the longitudinal direction divided in contrast to the previous turbocharger housings.
• the previous turbocharger housings are divided transversely or in a plane perpendicular to a horizontal plane and thereby divided into a compressor housing, a bearing housing and a turbine housing.
• the housings are arranged in the prior art for mounting in the longitudinal direction together.
• the turbocharger housing 12 may be divided once in the horizontal direction or in a horizontal plane in the longitudinal direction.
• the horizontal division plane is indicated by a solid line.
• the turbocharger housing 12 may be divided in the longitudinal direction and in the vertical, as indicated in Fig. 3 with a broken line.
• the turbocharger housing 12 may be divided at a different angle in a range between 0 ° and 360 °.
• the dividing plane does not necessarily have to run through the center axis or longitudinal axis 58 of the turbocharger housing 12, but can also run offset to this axis, as indicated by a dot-dash line in FIG. 3.
• FIG. 4 shows a greatly simplified and purely schematic side view of possible sectional planes of the turbocharger housing 12 according to the invention.
• the turbocharger housing 12 consists of a compressor housing 18, a bearing housing 14 and a turbine housing 16 and is for example divided into two halves 10, 11, a Ers ⁇ th housing half 10 and a second housing half 11. As shown in Fig. 4, can the turbocharger housing 12 in
• the longitudinal ⁇ axis 58 is shown in phantom.
• the compressor housing 18 is divided in an eg horizontal plane above the longitudinal axis 58.
• the bearing housing 14 is in turn divided in an eg horizontal plane below the longitudinal axis 58 and the turbine housing 16 in eg a horizontal plane above the dividing plane of the compressor housing 18.
• the turbocharger housing 12 in the longitudinal direction and in a plane oblique to a horizontal plane divided, as indicated by a dotted line.
• the turbocharger housing 12, that is, the compressor housing 18, the bearing housing 14 and / or the turbine housing 16 may be formed in at least one or more arbitrary planes divided into at least two or more halves in the longitudinal direction.
• FIG. 5 an upper part and an upper housing half 10 ⁇ a turbocharger housing 12 according to the invention is provided and a ⁇ Maschinenezug Surprise 60 from which the turbocharger housing 12 is assembled for machining the upper part 10 and lower part.
• the lower part or the lower hous ⁇ half of the turbocharger housing 12 is not shown for reasons of clarity.
• To guarantee ⁇ afford to the rich functionality of the turbocharger tight tolerances and precise machining ⁇ processing of the components of the turbocharger are necessary. Dene different processing steps are necessary in the paragraphi ⁇ gen turbochargers with conventional cast housings for the turbine, the compressor and the bearing of the shaft, including Drehope ⁇ configurations and milling operations are performed.
• the simplest possible machining of the functional surfaces of the turbocharger is achieved by means of a rooftop
• At least one or preferably both Gezzanoslf ⁇ th 10 are thereby slipped over during the processing of a Walzenfräser observed 60 quasi.
• the techno ⁇ cal advantage is that all of the axial dimensions of the ro ⁇ tationssymmetrischen processing by the shape of the roller cutter device are achieved 60th This means that the axial tolerances between any surfaces are always the same. There are no cumulative tolerance chains over several components, as is the case with the conventional construction of turbocharger housings.
• a Turboladergephase- se is made 12, which is divided in the longitudinal direction, wherein only the tool assembly 60 of the invention and the first Ge ⁇ korusehdeck 10 of the two housing halves of the turbocharger housing according to the invention 12 are shown.
• the second housing ⁇ half of the turbocharger housing 12 has not been shown for reasons of clarity.
• the inventive work ⁇ device 60 is rotationally symmetric or fully rotationally symmetrical, for example in the form of at least one, two or a plurality of Walzenfräser instituten 62, which are preferably combined to form a Walzenfräse- 60.
• the roller milling device 60 consists, for example, of a first and a second roller milling element 62 for milling the outside and the inner contour of the compressor housing section 18.
• a third, fourth, fifth, sixth and seventh cylindrical cutter element 62 is provided for milling of individual sections of the bearing housing section 14.
• an eight to ninth, tenth, eleventh and twelfth cylindrical cutter member 62 is provided for Milling the inner contour and the outer side of the turbine housing section 16.
• the division of the roller cutter element 62 can be carried out arbitrarily depending on the sections of the turbocharger housing 12 to be milled. In this case, sections on the roller milling device 60 can also be left free between rolling mill elements 62 or can not be equipped with a roller milling element 62 if a section of the turbocharger housing 12 is not with a roll mill 62 is to be processed compared to other portions of the turbocharger housing 12. Furthermore, the previously described Walzenfräserimplantation 62 are belie ⁇ big summarized to a roll mill element 62 or a Walzenfräserelement 62 into two and more Walzenfräse- be divided elements 62, depending on Function and purpose.
• the invention is not limited to the Walzenfräser worn 60 as a tool device, as shown in Fig. 5, but the Walzenfräser worn 60 can be formed arbitrarily, depending on the turbocharader housing to be machined 12. Furthermore, a Milling device 60 for milling the compressor housing 18th , the bearing housing 14 and / or the turbine housing 16 are provided.

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• 2009
  • 2009-11-13 DE DE102009053106A patent/DE102009053106A1/de not_active Withdrawn
• 2010
  • 2010-11-11 EP EP10779766A patent/EP2499379A2/de not_active Withdrawn
  • 2010-11-11 CN CN201080051162.8A patent/CN102639879B/zh not_active Expired - Fee Related
  • 2010-11-11 WO PCT/EP2010/067290 patent/WO2011058101A2/de active Application Filing
  • 2010-11-11 US US13/509,633 patent/US9133857B2/en not_active Expired - Fee Related

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