WO1999023359A1 - Turbinengehäuse sowie verfahren zu dessen herstellung - Google Patents
Turbinengehäuse sowie verfahren zu dessen herstellung Download PDFInfo
- Publication number
- WO1999023359A1 WO1999023359A1 PCT/DE1998/003122 DE9803122W WO9923359A1 WO 1999023359 A1 WO1999023359 A1 WO 1999023359A1 DE 9803122 W DE9803122 W DE 9803122W WO 9923359 A1 WO9923359 A1 WO 9923359A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- intermediate layer
- housing
- outer layer
- core
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/14—Casings modified therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
-
- 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
- F01D25/145—Thermally insulated casings
-
- 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
Definitions
- the invention relates to a turbine housing with a multilayer housing wall, which has a pressure-resistant intermediate layer for thermal insulation between an inner layer sealing a pressure chamber and a force-bearing outer layer. It further relates to a method for producing such a housing.
- Turbine housing is understood here to mean in particular the outer housing of a high-pressure steam turbine.
- the potential energy of a flowing working medium e.g. Gas or steam
- the turbine comprises an impeller and a fixed guide wheel as essential elements.
- steam serving as the flow medium is expanded to perform the work until condensation occurs.
- the structural design of the steam turbine is particularly dependent on the steam conditions, i.e. the steam pressure and the steam temperature.
- an increase in the wall thickness is also opposed by the aspect of producibility, in particular the castability of the alloys with the necessary wall thicknesses.
- Other aspects to be taken into account are the operating behavior of the turbine with regard to the start-up and shutdown times influenced by the heating and cooling behavior of the housing parts, and the handling due to the mass increasing with the wall thickness. It must also be taken into account that the wall thickness of the turbine housing not only increases with increasing pressure, but also that the strength of the usual materials also decreases with increasing temperature.
- Insulation body can flow through at least approximately unhindered. Sufficient thermal insulation and pressure resistance is not achieved with such a metallic insulation body.
- the invention is therefore based on the object of specifying a multi-layer turbine housing for a high-pressure turbine which, through the use of a particularly suitable, pressure-resistant intermediate layer for heat insulation, also realizes high steam states, i.e. a high pressure and a high temperature, the flow medium. Furthermore, a particularly suitable method for producing a multi-walled turbine housing for a high-pressure turbine is to be specified.
- the object is achieved according to the invention by the features of claim 1.
- the turbine housing has a three-layer housing wall with a pressure-resistant and heat-insulating intermediate layer made of a non-metallic bulk material, which is provided between an inner layer sealing the pressure chamber and a force-bearing outer layer.
- the use of sand as bulk material for the intermediate layer is particularly expedient.
- the intermediate layer then fulfills in a particularly advantageous manner the function of a heat-insulating layer, the thickness or radial expansion of which reduces the temperature (temperature gradient).
- Intermediate layer absorbs the pressure from the inner layer and passes it on. It is therefore both pressure-resistant and temperature-resistant, but has no sealing function. In this case, the lowest possible thermal conductivity is advantageous, since this is the thickness of the insulation layer and the Heat flow determined. It is essential here that when sand is used as an intermediate layer, in contrast to a solid material such as a metallic material, it achieves a relatively good thermal insulation and adapts particularly well to the circumstances with regard to the required shape.
- the use of sand as an insulation layer avoids the risk of cracking in the adjacent layers, since no stress concentrations with a sudden breakage of the insulation layer can occur in the intermediate layer .
- the inner layer of the housing wall facing the flow medium and directly exposed to it merely fulfills the function of sealing the pressure chamber and separates the medium from the other layers.
- the inner layer preferably consists of a temperature-resistant and stretchable material, since this must follow the mechanical and thermal expansion of the other layers.
- the outer layer serves to absorb the pressures transmitted through the insulating layer of the intermediate layer as a result of the medium pressure and bears the forces generated by the internal pressure in the turbine housing. The outer layer thus exerts the counterforce to the pressure force of the medium.
- a ferritic / bainitic mixed structure is also expediently used. Since the load-bearing outer layer has a temperature that is significantly below the medium temperature due to the internal thermal insulation layer in the form of the poured intermediate layer, an inexpensive material (GGG or GS) with comparatively low or low temperature resistance can be used here. At the same time, a small wall thickness can be realized, since at a low temperature there is a comparatively high tolerable voltage. This results in considerable savings in terms of material costs.
- an outer layer composed of two partial layers these preferably have different coefficients of thermal expansion.
- the properties of the outer layer can be varied, for example with regard to its temperature expansion and the flexibility with respect to the internal pressure of the turbine housing. This allows the stresses on the inner layer due to thermal expansion and the internal pressure to be reduced a particularly flexible adaptation of the rigidity and thermal expansion is possible, taking into account a particularly low load on the inner layer to the respective application.
- the outer of the two partial layers can also be constructed or wound from sheet metal layers, in which case the relatively thin-walled inner partial layer only serves to separate the intermediate layer from the winding layer.
- a material reinforced with carbon fibers is preferably used in the wound structure.
- the material concept can be adapted to the particular application determined by the pressure and the temperature of the medium. Through a suitable choice of the insulation thickness of the intermediate layer and through cooling of the outer layer, its temperature can be set in such a way that on the one hand low heat losses occur and on the other hand the function of the force-carrying element is ensured.
- This effect can be intensified by additional cooling of the intermediate layer.
- the outer layer can in turn be surrounded by thermal insulation, which must then have a low insulation effect compared to previous insulation.
- a core representing the intermediate layer is inserted into a casting mold and then a cavity forming the outer layer and / or the inner layer is poured out.
- Additional cores can be inserted into the mold to create additional cavities.
- pins arranged on the circumference of the core representing the intermediate layer can also be inserted into the mold as an additional core bearing. After the casting and removal of the cast pressure housing from the mold, these pins, which are preferably components of the
- the housing wall can be produced in a one-step or two-step casting process.
- a U-shaped hollow profile is created by means of a number of cores in the casting mold, which is preferably made of sand-containing material, which is then in one Pouring process is filled.
- the prefabricated inner layer or the prefabricated outer layer together with the core representing the intermediate layer are first placed in the casting mold and then a cavity which forms the respective other layer is poured out.
- the prefabricated layer can also be cast or formed from solid material.
- the core remains in the cast wall component as a heat-insulating intermediate layer after the casting process. It is thus also an insulating material or material.
- suitable casting measures such as. If, for example, targeted cooling or insulation of certain areas, the solidification process can be influenced in such a way that the insulation material is under a prestress between the wall layers surrounding it.
- the intermediate layer is closely integrated into the power flow from the housing interior to the exterior that occurs when the turbine outer housing is used as intended.
- the insulation material remaining in the housing component after the casting process thus fulfills the double function of thermal insulation and a transmission of the pressure force prevailing within the pressure housing from the inner layer via the intermediate layer to the outer layer in a particularly reliable manner.
- the insulation material forming the intermediate layer is introduced and compressed in an intermediate space formed in the prefabricated wall component of the housing wall.
- the wall component can already be in one piece or be built in two parts from the outer layer and from the inner layer.
- the insulation or filling material forming the intermediate layer is introduced into the intermediate space during the joining of the outer and inner layers.
- the outer and inner layer can then in turn be cast or formed from a sheet material.
- Each wall layer can be designed to save material and its function can be optimized.
- the inner layer and the outer layer are advantageously biased to a certain extent, so that the bulk material is present in a compressed state between the outer layer and the inner layer.
- the outer layer can be in one piece or composed of partial layers, which then preferably have a different coefficient of thermal expansion. This reduces the strains to be absorbed by the inner layer, so that it can follow the deformations impressed by the stretching behavior of the bond partners in a particularly reliable manner, while avoiding the risk of cracking. Cooling the outer layer further reduces its temperature levels.
- the turbine housing constructed in this way therefore reliably fulfills the function of sealing the enclosed medium on the one hand and generating a counterforce to the compressive force of the enclosed medium on the other, even at very high temperatures and operational temperature changes and at high steam pressures - and thus at high steam conditions.
- High pressure steam turbine with an inner casing and with an outer casing
- FIG. 2 to 4 show a section II, III or IV of the outer housing according to FIG. 1 with alternative variants of a multi-layer housing wall
- 5 shows a perspective, partially cut-open representation of a multilayer housing section in a casting mold with a plurality of cores
- FIG. 6 shows in longitudinal section a section VI from FIG. 5 with an additional core bearing
- FIGS. 10 and 11 the introduction of an intermediate layer into a double-walled, single-part or multi-part housing wall section in longitudinal section.
- the high-pressure steam turbine or high-pressure turbine 1 comprises a turbine shaft 2 with rotor blades 4 fastened thereon and an inner housing 8 carrying guide vanes 6, as well as an outer housing or pressure housing 10 surrounding this.
- Live steam D flowing into the high-pressure turbine 1 via an inlet opening 12 is along the guide and rotor blades 4, 6 guided and relaxed while doing work, whereby the turbine shaft 2 is set into a rotational movement.
- the relaxed steam D 'leaves the high-pressure turbine via an outflow opening 14, for example to a medium-pressure partial turbine (not shown).
- a pressure chamber 18 formed between the inner housing 8 and the pressure housing 10 is in the embodiment with the live steam D - with a steam temperature T of z. B. 600 ° C at a vapor pressure p of z. B. 300bar - acted upon.
- the housing wall 16 comprises an inner layer 20 which is directly exposed to the live steam D. This is temperature temperature-resistant and consists, for example, of high-temperature steel.
- the inner layer 20 serves to seal the pressure chamber 18 formed between the inner housing 8 and the pressure housing 10 of the high-pressure steam turbine and separates the steam D from the subsequent layers of the housing wall 16.
- the layer thickness d1 of the inner layer 20, ie its expansion in the radial direction R, is compared to the total thickness d of the housing wall 16 is small. Since the inner layer 20 transmits the pressure p of the steam D acting on it, ie its pressure force F p , to the other layers, the material used only has to have the highest possible elasticity and high temperature resistance.
- An intermediate layer 22 which is designed in the form of a bulk material, adjoins the inner layer 20 for thermal insulation.
- sand S is expediently used as bulk material.
- the intermediate layer 22 is pressure-resistant or pressure-resistant, so that an incompressible insulation layer is formed.
- their layer thickness dZ is used to reduce the temperature T, as is illustrated by the temperature diagram on the left in FIG. 2 along the extent in the radial direction R of the housing wall 16.
- the intermediate layer 22, on the other hand serves to receive and transmit the compressive force F p of the steam D acting on the inner layer 20 to an outer layer 24.
- the outer layer 24 like the inner layer 20, preferably consists of ferritic / bainitic steel, for example of chromium steel.
- the outer layer 24 forms the force-bearing element of the overall assembly of the housing wall 16 and absorbs the pressures passed on through the intermediate layer 22 as a result of the vapor pressure p in the pressure chamber 18. It thus bears the pressure force F p generated by the internal pressure between the inner housing 8 and the pressure or outer housing 10.
- the temperature to be controlled by the outer layer 24 is - as in that in the diagram on the left in FIG. 2 - due to the temperature gradient in the radial direction R along the intermediate layer 22, it is substantially lower than the temperature T of the steam D.
- the material used for the outer layer 24, e.g. Gray cast iron, can have a low temperature resistance compared to the inner layer 20.
- a small wall thickness or layer thickness dA in comparison to the intermediate layer 22 can also be realized.
- the basic radial stress curve ⁇ is illustrated in the diagram on the right in FIG.
- an insulating layer 26 can be provided for thermal insulation, which encloses the outer layer 24 and thus the entire assembly of the housing wall 16. Furthermore, for cooling the outer layer 24, this can be provided with a cooling channel system 28 which is acted upon by a coolant K, for example steam D 'which has already been released. As an alternative or in addition, the cooling duct system 28 can also be provided in the intermediate layer 22 or lie on the outside of the outer layer 24. Through the thickness dW and through the additional cooling of the outer layer 24 and / or the intermediate layer 22, the temperature thereof can be set in such a way that on the one hand there is little heat loss via the housing wall 16 and on the other hand the force-carrying function is further improved.
- FIG 3 shows a further variant with an outer layer 24 constructed from two partial layers 24a and 24b.
- the two partial layers 24a and 24b consist of materials of different thermal expansion coefficients (material pairing). This enables a particularly flexible adaptation to different applications while simultaneously reducing the stress on the inner layer 20 and sufficient rigidity. sufficient thermal expansion of the entire assembly of the housing wall 16 possible.
- FIG. 4 also shows a variant in which the outer layer 24 is again made up of a first partial layer 24a 'and a second partial layer 24b'.
- the outer, first partial layer 24a ' is wound, preferably a material reinforced with carbon fibers is used.
- the inner, second partial layer 24b ' serves only to separate the intermediate layer 22 and the wound partial layer 24a' or provided with tensile element layers and can therefore be designed with a correspondingly thin wall.
- the partial layer 24a ' can also be wound or built up from steel layers (sheet metal layers).
- the casting mold 100 shows a casting mold 100 with a filling opening (feeder) 102 and with a riser opening (riser) 103 and with a number of cores 104a, 104b for casting the multi-layer cylindrical housing wall 16 and thus for producing the outer or pressure housing 10 of the steam turbine 1
- the casting mold 100 forms a rotationally symmetrical and U-shaped hollow profile 106 with an outer cavity or hollow leg for the later outer layer 24 and an inner hollow leg for the later inner layer 20 of the housing wall 16.
- the cavity profile 106 to be filled with a casting material G is produced from fine-grained molding material F in the lost casting mold 100 by means of a model representing the housing wall 16. For this purpose, a lower box 100a and then an upper box 100b are stamped onto the model as molded boxes of the casting mold 100.
- the mineral molding material F which contains mineral components provided with binders, is solidified. After the model has been lifted out of the mold boxes 100a, 100b, the Cores 104a, 104b inserted into the mold 100.
- the cores 104a, 104b can be reinforced in the longitudinal and circumferential directions by means of core irons.
- the casting material G is filled into the hollow profile 106 via the filling opening 102, wherein the casting material G that has reached the riser 103 can flow back into the hollow profile 106.
- a circumferential collar 107 on the core 104b serves to absorb forces or moments that can occur during the casting process due to the core weight or due to a core buoyancy.
- the casting mold 100 is removed from the cast housing wall 16. Then the central one representing the housing interior 108
- Part is thus advantageously at the same time insulation material within the housing wall 16. This saves on the one hand a manufacturing step with regard to the implementation of the intermediate layers 22.
- the corresponding part of the core 104b is embedded as an intermediate layer 22 during the solidification process of the casting material G within the cavity profile 106 between the outer layer 24 and the inner layer 20 of the housing wall 16 in a positive and non-positive manner.
- Core storage in the apex area of the hollow profile 106 Several, z. B. four, distributed over the circumference arranged pin 110 is provided. These pins 110 projecting over part of their length into the intermediate space between the outer layer 24 and the inner layer 20 lie on a on the core 104a provided collar 111 on, for. B. in recesses provided there.
- the pins 110 are preferably part of the core 104b. Following the casting process, the pins 110 are removed. Corresponding threads for screwing on a housing cover can then be introduced into the openings which are then tightly welded.
- each wall layer 20 to 24 can be designed in a material-saving manner and its function optimized. Since the inner layer 20 is supported on the intermediate layer 22 and via this on the outer layer 24 and the existing internal pressure only has to be transferred to the latter, one is in relation to the total
- the casting material used is preferably 9% to 11% chromium steel, in particular 10% chromium steel, with a ferritic / bainitic mixed structure.
- FIG. 7 shows a simplified representation of that part of a casting mold 100 'which lies above a line of symmetry or axis of rotation 112 and which, analogously to FIG. 5, represents an upper molding box 100b'.
- the part of the core 104a which in turn fills the later housing interior 108, lies above the axis of rotation 112 and delimits an L-shaped cavity profile 120, the legs 120a and 120b of which have been modeled into the mold 100 ', which again consists of fine-grained molding material F.
- the inner layer 20 is first produced by filling the cavity 120 by means of the casting material G.
- the outer layer 24 can first be produced in a similar manner.
- the casting mold 100 'differs from the alternative according to FIG essentially due to the radial expansion of the core 104a,
- a cavity 121 preferably provided for producing the outer layer 24 in turn has an L-shaped profile with a short leg 121a and a long leg 121b.
- the short leg 121a is arranged on the side opposite the short leg 120a of the inner layer 20 and is oriented towards the axis of rotation 112.
- FIG. 9 shows the production of the multi-layer housing wall 16 in the further production step, in which, together with the core 104a representing the housing interior 108, either the inner layer 20 prefabricated in the first manufacturing step according to the alternative according to FIG. 7 or the outer layer prefabricated according to the alternative according to FIG 24 is inserted into the corresponding mold 100 '.
- the core 104b which represents the intermediate layer 22, is inserted into the previously correspondingly modeled casting mold 100 '.
- the cavity 120 for the inner layer 20 or the cavity 121 for the outer layer 24 is formed. This cavity 120 or 121 is then poured out. With the housing wall 16 produced in this way, the core 104b remains as an intermediate layer 22 in the cast component.
- the insulation material can also be applied to the already prefabricated layer 24, 20 in the required wall thickness and shape.
- the insulation material should be applied and, if necessary, reinforced so that it meets the requirements of the further casting process.
- core iron can be used for reinforcement.
- the shape of the insulation material can also be Hurry core forms are made, in which the already manufactured or prefabricated layer 24, 20 is inserted and formed with insulation material. The casting thus molded with insulation material and inserted into the casting mold 100 'then practically again forms a core, which already contains one of the layers 24, 20 of the later housing wall 10 and remains in the finished component after the further casting process.
- a reliable connection of the cast parts or layers 24, 20 produced one after the other at the contact surfaces of the legs 120a and 121b or 120b and 121a takes place by positive locking, frictional locking, material locking or by a combination of these types of locking.
- a subsequent connection can also be established, for example by welding.
- a desired pressure prestressing of the insulation material between the surrounding wall parts or wall layers 24, 22 can be achieved as a result of the casting sequence. This effect can be supported by appropriate casting technology measures, for example by targeted cooling.
- An essential advantage of the stepwise production of the housing wall 16 compared to the one-step production according to the exemplary embodiment according to FIG. 5 lies in the fact that different materials can be combined in accordance with the different requirements for the inner layer 20 or the outer layer 24. Another advantage is the comparative simple design of the mold 100 'to be provided in each case. In contrast, the main advantage of the manufacturing method according to the embodiment according to FIG 5 lies in the only required casting step.
- a U-shaped profile part 106 ' is first used as Housing wall 16 manufactured according to one of the so-called forming, joining or separating or ablative manufacturing processes.
- a cylindrical housing wall 16 for producing the U-profile part 106 ' can also be cast with a leg representing the inner layer 20 and a leg representing the outer layer 24.
- the annular space 122 remaining between the legs of the U-profile part 106 'to form the intermediate layer 22 is filled with sand S as insulation material and this is compressed.
- the outer layer 24 and high-melting material, e.g. Ferrite or austenite, for the inner layer 20 is particularly suitable - just like the manufacturing method described with reference to FIGS. 7 to 9 - the manufacturing method illustrated with the aid of FIG.
- the two layers 24 and 20 are separated, e.g. in a reshaping manufacturing process, manufactured and then assembled together to form the U-profile part 106 '.
- the assembled profiles of the outer layer 24 and the inner layer 20 can be of different types.
- the insulation material in the form of the bulk material S is introduced into the intermediate space 122 as the intermediate layer 22 during the joining of the two layers 24 and 20 and is subsequently compressed.
- the sand S expediently poured in again as a filler for the intermediate layer 22 achieves a relatively good heat insulation, whereby the sand S adapts particularly well to the circumstances with regard to the required shape. This advantageously avoids the risk of breakage with a crack in the adjacent layers 24, 20 as a result of the stress concentration caused thereby.
- the sand S should be in a compacted state between the outer layer 24 and the inner layer 20.
- the inner layer 20 and the outer layer 24 are prestressed in order to maintain a minimum pressure on the sand S.
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Abstract
Description
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020007004798A KR20010072537A (ko) | 1997-11-03 | 1998-10-21 | 터빈 하우징 및 그 제조 방법 |
EP98961038A EP1029154B1 (de) | 1997-11-03 | 1998-10-21 | Turbinengehäuse sowie verfahren zu dessen herstellung |
DE59807765T DE59807765D1 (de) | 1997-11-03 | 1998-10-21 | Turbinengehäuse sowie verfahren zu dessen herstellung |
JP2000519196A JP4234904B2 (ja) | 1997-11-03 | 1998-10-21 | タービン車室とその製造方法 |
US09/564,899 US6315520B1 (en) | 1997-11-03 | 2000-05-03 | Turbine casing and method of manufacturing a turbine casing |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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DE19748540 | 1997-11-03 | ||
DE19748540.5 | 1997-11-03 | ||
DE19819508.7 | 1998-04-30 | ||
DE1998119508 DE19819508A1 (de) | 1998-04-30 | 1998-04-30 | Verfahren zur Herstellung eines mehrwandigen Druckgehäuses |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/564,899 Continuation US6315520B1 (en) | 1997-11-03 | 2000-05-03 | Turbine casing and method of manufacturing a turbine casing |
Publications (1)
Publication Number | Publication Date |
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WO1999023359A1 true WO1999023359A1 (de) | 1999-05-14 |
Family
ID=26041297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/DE1998/003122 WO1999023359A1 (de) | 1997-11-03 | 1998-10-21 | Turbinengehäuse sowie verfahren zu dessen herstellung |
Country Status (7)
Country | Link |
---|---|
US (1) | US6315520B1 (de) |
EP (1) | EP1029154B1 (de) |
JP (1) | JP4234904B2 (de) |
KR (1) | KR20010072537A (de) |
CN (1) | CN1119507C (de) |
DE (1) | DE59807765D1 (de) |
WO (1) | WO1999023359A1 (de) |
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DE10353451A1 (de) * | 2003-11-15 | 2005-06-16 | Alstom Technology Ltd | Dampfturbine sowie Verfahren zum Herstellen einer solchen Dampfturbine |
US20050120719A1 (en) * | 2003-12-08 | 2005-06-09 | Olsen Andrew J. | Internally insulated turbine assembly |
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US7785068B2 (en) * | 2007-05-17 | 2010-08-31 | General Electric Company | Steam turbine exhaust hood and method of fabricating the same |
EP2022951A1 (de) * | 2007-08-08 | 2009-02-11 | Siemens Aktiengesellschaft | Verfahren zur Herstellung eines Turbinengehäuses sowie Turbinengehäuse |
US20110097199A1 (en) * | 2009-10-27 | 2011-04-28 | Ballard Jr Henry G | System and method to insulate turbines and associated piping |
CN103133065B (zh) * | 2011-11-30 | 2015-09-09 | 高德伟 | 汽轮机外缘内表面去湿隔板 |
JP2013230485A (ja) * | 2012-04-27 | 2013-11-14 | Taiho Kogyo Co Ltd | ターボチャージャーの軸受ハウジングの製造方法、及びターボチャージャーの軸受ハウジング |
US20160290159A1 (en) * | 2013-11-13 | 2016-10-06 | Borgwarner Inc. | Liquid-cooled turbine housing with intermediate chamber |
DE102015209228A1 (de) * | 2015-05-20 | 2016-11-24 | Mtu Friedrichshafen Gmbh | Gehäuse für rotierende Elemente, Turbine, Verdichter, Turbolader mit einem solchen Gehäuse, und Brennkraftmaschine mit einer Turbine, einem Verdichter oder einem Turbolader |
EP3141705B1 (de) * | 2015-09-08 | 2018-12-26 | Ansaldo Energia Switzerland AG | Gasturbinenrotorabdeckung |
US10919106B2 (en) * | 2017-06-09 | 2021-02-16 | General Electric Company | Ultrasonic welding of annular components |
US10844744B2 (en) * | 2017-09-01 | 2020-11-24 | Southwest Research Institute | Double wall supercritical carbon dioxide turboexpander |
KR102121800B1 (ko) | 2018-06-15 | 2020-06-11 | 신한대학교 산학협력단 | 사용자화장품을 이용한 메이크업 정보제공시스템 및 그 방법 |
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DE4331060C1 (de) * | 1993-09-13 | 1994-06-30 | Gruenzweig & Hartmann Montage | Wärmedämmanordnung |
CN1081724C (zh) * | 1996-04-11 | 2002-03-27 | 西门子公司 | 在涡轮机中用于推力补偿的方法和装置 |
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1998
- 1998-10-21 CN CN98810587A patent/CN1119507C/zh not_active Expired - Fee Related
- 1998-10-21 JP JP2000519196A patent/JP4234904B2/ja not_active Expired - Fee Related
- 1998-10-21 WO PCT/DE1998/003122 patent/WO1999023359A1/de not_active Application Discontinuation
- 1998-10-21 EP EP98961038A patent/EP1029154B1/de not_active Expired - Lifetime
- 1998-10-21 KR KR1020007004798A patent/KR20010072537A/ko not_active Application Discontinuation
- 1998-10-21 DE DE59807765T patent/DE59807765D1/de not_active Expired - Lifetime
-
2000
- 2000-05-03 US US09/564,899 patent/US6315520B1/en not_active Expired - Lifetime
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GB1178609A (en) * | 1967-10-16 | 1970-01-21 | Stavebni Isolace Narodni Podni | Improvements in or relating to Thermal Insulation Suitable for Machinery |
US3949552A (en) * | 1973-07-09 | 1976-04-13 | Toyota Jidosha Kogyo Kabushiki Kaisha | Heat insulating castings |
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EP0374603A1 (de) * | 1988-12-23 | 1990-06-27 | G + H Montage Gmbh | Wärmedämmung für heisse Gase führende Gussbauteile |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012045609A1 (de) * | 2010-10-08 | 2012-04-12 | Continental Automotive Gmbh | Verfahren zur herstellung eines turboladergehäuses |
CN103124853A (zh) * | 2010-10-08 | 2013-05-29 | 大陆汽车有限公司 | 用于制造涡轮增压器壳体的方法 |
US9889501B2 (en) | 2010-10-08 | 2018-02-13 | Continental Automotive Gmbh | Method for producing a turbocharger housing |
Also Published As
Publication number | Publication date |
---|---|
JP2001522013A (ja) | 2001-11-13 |
EP1029154A1 (de) | 2000-08-23 |
EP1029154B1 (de) | 2003-04-02 |
JP4234904B2 (ja) | 2009-03-04 |
DE59807765D1 (de) | 2003-05-08 |
CN1119507C (zh) | 2003-08-27 |
KR20010072537A (ko) | 2001-07-31 |
CN1277652A (zh) | 2000-12-20 |
US6315520B1 (en) | 2001-11-13 |
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