WO2007057294A1 - Turbinenschaufel für eine dampfturbine - Google Patents
Turbinenschaufel für eine dampfturbine Download PDFInfo
- Publication number
- WO2007057294A1 WO2007057294A1 PCT/EP2006/067923 EP2006067923W WO2007057294A1 WO 2007057294 A1 WO2007057294 A1 WO 2007057294A1 EP 2006067923 W EP2006067923 W EP 2006067923W WO 2007057294 A1 WO2007057294 A1 WO 2007057294A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- turbine blade
- turbine
- fiber composite
- section
- composite material
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments
-
- 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
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/603—Composites; e.g. fibre-reinforced
Definitions
- the invention relates to a turbine blade for a steam turbine ⁇ with an airfoil section and a predominantlyab ⁇ section . Moreover, the invention relates to a steam turbine ⁇ turbine with such a turbine blade.
- Such turbine blades in particular designed as blades turbine blades of this type are made in the prior art of steel or titanium.
- Turbine blades in general and in particular stage blades are exposed to high centrifugal stresses functional reasons, since they are intended to represent the highest possible outflow to achieve a high efficiency and a large display ⁇ coat length must have.
- High-strength steels are therefore used for common applications. Where these are no longer applicable for reasons of centrifugal stresses, titanium vanes are used, which also experience lower centrifugal force stresses due to the lower density.
- these blades are much more expensive than steel blades.
- the outflow surfaces for full-speed machines (50 Hz) are limited to approximately 16 m 2 , which entails corresponding consequences for the achievable blade lengths.
- One of the problem underlying the invention is to provide a steam turbine having a turbine blade of the initially named ge ⁇ provide kind, which allows a particularly high efficiency of the steam turbine and can be operated at the same time reliable in operation in the steam turbine.
- This object is achieved according to the invention with a generic turbine blade, wherein the Schaufelblattab ⁇ section is designed for use in a low-pressure stage of the steam turbine and at least partially contains Faserver ⁇ composite material.
- the object is further achieved according to the invention with a steam turbine having such a fiction, ⁇ contemporary turbine blade.
- Fiber composite blades are thus used according to the invention as low-pressure stage or final stage blades. Comparing the relative strengths of different materials clearly shows the advantage of fiber composites for use as a final stage blade material.
- the FES is ACTION on the density (R P o, 2 / p) for high-strength Compensation ⁇ steel 115 m 2 / s 2 for titanium 221 m 2 / s 2 for the fiber-reinforced material CFK-HM other hand, 563 m 2 / s 2 .
- Due to the Wesent ⁇ Lich higher strength of the fiber composite material can either be utilized with conventional dimensions turbine blades made higher or the turbine blades are made with a greater length. The thereby passing on ⁇ centrifugal stresses may density ratio are then added in the blade or vane without sacrificing reliability readily available from the turbine due to the substantially increased strength /.
- the turbine blade according to the invention is particularly suitable for the last row of blades of a steam turbine, but can also be used according to the invention for the second and possibly the third last row of blades. You can just ⁇ if combined with precursor blades made of steel or titanium become.
- the present invention at least partially Faserver ⁇ composite material containing the airfoil section of the turbine blade OF INVENTION ⁇ to the invention preferably has at least in the outer wall area of the fiber composite material.
- the entire airfoil section can also be made
- the aforementioned object is further achieved according to the invention with a generic turbine blade, in which the blade section at least partially Faserver ⁇ composite material, wherein at least the fiber composite material containing area is surrounded with a deformable moisture-impermeable protective layer, the selection of moisture in the fiber composite currency ⁇ prevents the operation of the turbine blade.
- the object is achieved with a steam turbine, which is provided with such a turbine blade.
- a moisture absorption of the Schaufelblattab ⁇ section can be effectively prevented during operation in the steam turbine ver ⁇ .
- Moisture absorption is an undesirable time-dependent process that can cause weight gain of the component and thus potential rotor imbalance. May further such moisture uptake a deformation of the fiber composite material, as well as exemplary in continuous ⁇ action cause the damage to the matrix and thus a failure of the fiber composite material containing the component.
- the protective layer of the invention is designed Transform ⁇ bar.
- the protective layer is within the meaning of In such a way that the protective layer does not lose its moisture impermeability over its service life, despite deformations of the area of the airfoil section containing the fiber composite material occurring during operation of the blade. This can be achieved in particular by the protective layer has a elas ⁇ tables application range which exceeds the elongation unused area of the base material.
- the inventive embodiment of the turbine blade to be used particularly reliably by the invention further damp ⁇ tmaschinesun be protective layer.
- the moisture-repellent protective layer encloses the airfoil section completely. Moreover, it may also be desirable for the protective layer to cover the entire turbine blade, i. also the blade foot, encloses.
- the protective layer should be designed so that a secure adhesion of the protective layer is given even in drops.
- the design of the base material of the airfoil section should be such that continued droplet impacts do not cause any fatigue or disruption of the base material.
- the aforementioned object is further achieved according to the invention with a generic turbine blade, in which both the airfoil section and the foot section in each case at least partially contains fiber composite material.
- the object is achieved with a steam turbine, which is provided with such a turbine blade.
- the use of fiber composite material in the blade ⁇ sheet section due to the low density of the fiber composite material may, as already mentioned above, the turbine blade with a large outflow surface be designed. This increases the efficiency of the steam turbine. Furthermore, a correspondingly secure and reliable anchoring of the turbine blade in the rotor shaft of the steam turbine can be ensured by the simultaneous use of fiber composite material in the root section of the turbine blade.
- fibers of the fiber composite material by ⁇ be continuously fed through the airfoil portion and the root portion so that the aerofoil section and the root section received a stable connection and a brief outline of the aerofoil section during the operation of the turbine shop ⁇ fel itself can be effectively prevented the occurrence of large forces.
- the operational reliability of the turbine blade is guaranteed in operation.
- the fiber composite ⁇ material advantageously contains glass fibers, plastic fibers, such as aramid fibers, and / or plastic fibers.
- the fiber-reinforced material CFK-HM can be used as a fiber composite material.
- the composite fiber material has fibers which in the region of the display ⁇ felblattabiteses under a binenschaufel deviating from a main axis of the turbo angular, in particular
- an asymmetric arrangement leads to distortion.
- This may optionally be used for self-tuning purposes in an advantageous alternative embodiment.
- By the nature of the arrangement of such fibers or plies of the anisotropy can also be used to within a limited range, to achieve a targeted change of the blade geometry in Ab ⁇ dependence on the operating stresses.
- This- With regard to such a twist can be provided, in which the blade grid opens at overspeeds, so that the flow of less energy and thus does not contribute to a further run-up.
- the twisting can be used to adjust an optimized flow profile depending on the flow and load.
- the blade grid can be closed with a smaller flow and be opened correspondingly with a larger flow.
- the blade blade section has a packing arranged in the middle of the blade, which is completely enclosed by the fiber composite material.
- an electrically conductive layer is arranged under the protective layer.
- This electrically conductive layer serves as Warnmecha ⁇ mechanism, whereby damage to the protective layer can be detected, after which countermeasures, such as a replacement or replacement of the affected component, or a repair of the protective layer can be taken in time.
- Such an electrically conductive layer can individually either a ⁇ or be provided in pairs with an intermediate insulating layer.
- the layer structure of the airfoil section in the surface region thereof a successive arrangement of the fiber composite material, an electrically conductive, in particular metallic layer, an insulating layer, another electrically conductive, in particular metallic layer and the protective layer.
- the insulation resistance to the environment or between the two electrically conductive layers can then be measured.
- the electrical capacity of the electrically conductive layer, the insulating layer, and the further electrically conductive layer comprising arrangement for monitoring the function of the protective layer are measured.
- water-soluble chemical substances are arranged under the protective layer, which are detectable in dissolved form, in particular in a chemical, optical and / or radiological manner.
- This measure represents an alternative monitoring possibility of the function of the protective layer.
- the condensate of the water-steam circuit of the steam power plant can be continuously checked ⁇ . If the chemical substances arranged under the protective layer are detectable in this, this indicates damage to the protective layer.
- a leading edge of the turbine blade is provided with an edge reinforcement for protection against droplet impact.
- edge reinforcement may be provided by adhering to the turbine blade or by laminating into the turbine blade.
- an edge reinforcement can be made by means of a sealed protective or intermediate layer.
- the basic component of the turbine blade itself can be designed with a turbine-like edge reinforcement.
- protection against gobbing may be achieved by a laminate construction of the turbine blade in which the fibers are transverse.
- the foot portion of the turbine blade ⁇ nenschaufel a contact element for making contact with a Schaufelfußhalterung in a rotor shaft of a Steam turbine, wherein the contact element fiber composite ⁇ material and / or contains a metallic material.
- the contact element made of fiber composite or metallic materials.
- the corresponding metallic materials should be chosen such that they allow a stable and dimensionally stable connection to the rotor shaft and prevent overstressing of the fiber composite surrounding the contact element of the blade root.
- the contact element can be constituted by a metallic sleeve.
- the root section has a deflection element by means of which a substantial An ⁇ is paid diverted from fibers of the airfoil, and / or a guide element, by means of which an advantageous fiber routing in the blade root in a to the geometry of the blade ⁇ sheet section adapted to the fiber guide is redirected to.
- the deflecting element and / or the guide element may each consist of fiber composite material or a metallic material.
- the contact element and the guide element or the contact element and the deflecting ⁇ element can each be formed by the same element.
- the root portion of plug ⁇ is still running foot, the radially into a blade root mounting of a rotor shaft of the turbine in relation to the rotor shaft direction is inserted.
- the fibers of the fiber composite material are guided around serving as contact elements sleeves.
- the curvature of the leaf in the foot region can advantageously be modeled by an assignment to different pin positions of the plug-in foot, so that advantageously low deflections from the foot region to the leaf region are achieved. give.
- the effort for guide elements remains so ⁇ limited.
- the deformable moisture-impermeable protective layer also surrounds the configured for the turbine blade. So the penetration of moisture is also contained in the root portion of a fiber composite material we ⁇ kung prevented. As a result, the life of the turbine blade can be further increased.
- the foot section of the turbine blade is designed as a sliding foot, which can be inserted into a blade root holder of a rotor shaft of the turbine in a direction substantially axial with respect to the rotor shaft.
- substantially axial direction is to be understood that the insertion direction can deviate by up to + 40 ° from the axial direction.
- the foot portion is curved, with the foot curvature substantially following the curvature of the airfoil portion present in the vicinity of the foot.
- this has a device for monitoring the vibration behavior of the turbine blade.
- a change in the natural frequency of the turbine blade can be detected, which may be due to a moisture absorption of the fiber composite ⁇ material in the airfoil section during operation of the steam turbine.
- Such amendments ⁇ tion to the natural frequency of the turbine blade should then be taken as an opportunity to check the functionality of the aforementioned deformable moisture-impermeable protective layer and the protective layer, if necessary, to repair, so that a failure of the component can be prevented.
- the steam turbine has at least one heatable guide blade. By heating, moisture on the guide vane ver ⁇ be evaporated and a corresponding damage to other turbine blades are prevented by gushing.
- a device for extracting moisture on at least one vane may be provided.
- the preparation of the fiber composite blades preferably with the conventional methods in which fibers wound and impregnated with the matrix material or in the form of so-called prepregs ⁇ be applied. Thereafter, they are brought in a so-called die in its final form, whereby a curing of the matrix takes place.
- optional contact, deflection or guide elements are already inserted or attached. Thereafter, it may be necessary to edit the blades at certain points, eg by grinding, in order to achieve, for example, the required dimensional accuracy, tolerance compliance and surface quality. Also already mounted contact, deflection or guide ⁇ elements can be edited or these elements after the molding ⁇ riessvorgang be attached.
- an edge protector to be mounted further, which is integrated by subsequent Anpassarbeit, such as by fen mucilages in the blade profile. This is followed by coating with the layers required for the protective layer and the warning system. In this case, individual layers can be reinforced at certain points in order to improve protection or amplification functions.
- FIG. 1 is a view of a first embodiment of a turbine blade according to the invention, 2 shows the section II-II of FIG. 1,
- FIG. 2c shows the detail Y according to FIG. 2, FIG.
- FIG. 3a shows a partial view of a second embodiment of the turbine blade according to the invention
- FIG. 3b shows the section III-III of FIG. 3a
- FIG. 4a is a sectional view of a thirdsbei ⁇ game of a turbine blade according to the invention with a view towards the foot portion of the blade,
- 4b is a sectional view of a rotor shaft of a
- FIG. 4c shows the detail Z according to FIG. 4b.
- Fig. 1 shows a first embodiment of a modern turbine blade of invention 10 which in particular for the dung USAGE ⁇ is designed in a low-pressure stage of a steam turbine.
- the turbine blade 10 comprises a Schaufelblattab ⁇ section 12 and a foot portion 14 in the form of a plug foot.
- the foot section 14 has insertion tabs 16 for a pin connection.
- the airfoil section 12 is made of fiber composite material 18 containing glass fibers and / or carbon fibers.
- the main fiber direction 20 runs along a main axis 21 of the turbine blade 10. In a region near the root portion 14 has the blade ⁇ sheet section 12, a additional fiber composite sheet 22.
- the set-fiber composite sheet to ⁇ 22 includes additional fibers which under deviant angle to the main axis 21 of the turbine blade or vane 10, for example, are extending at an angle of ⁇ 15 °, ⁇ 30 ° or ⁇ 45 ° and are provided for stiffening the aerofoil section 12th It is also possible to provide a plurality of such additional fiber composite layers 22. In this case, these layers can be arranged mirror-symmetrically to the blade center surface, whereby a distortion is avoided. An asymmetrical arrangement of the additional fiber composite layers leads to a twist. This may possibly be used for self-adjustment purposes.
- Fig. 2 shows the section II-II in the aerofoil section 12 of FIG. 1. This shows a large sheet thickness in the range for weight and stiffness optimization arranged packing 24. This is ben 18 vice ⁇ from the fiber composite material.
- the turbine blade 10 is flown by means of turbine steam 26 according to FIG. 2 from the left.
- ⁇ 28th Edge reinforcement 28 is shown in greater detail in FIG. 2c. Is composed of metal and is of the turbine show ⁇ fel fixed by means of an adhesive compound 40 with a bonding maschineverbundge- right outlet 42 at the leading edge 27 10th
- FIG. 2a 2 illustrates a first embodiment of assembly construction of the turbine blade 10 of FIG. Oberflä in a ⁇ chen Scheme thereof.
- the inner fiber composite material 18 is surrounded by a first electrically conductive layer 36 in the form of a metallic layer, an Iso ⁇ lations slaughter 34, a second electrically conductive layer 32 in the form of a metallic layer, and finally a protective layer 30.
- the protective layer 30 is moisture-repellent for sealing the Schaufelblattab ⁇ section 12 performed against liquid. The protection So that layer 30 prevents the penetration of moisture into the composite fiber material 18.
- the protective layer formed so ⁇ deformable 30 so as to the currency ⁇ rend the operation of the turbine blade 10 deformations anticipated encryption compensates without loss of its sealing function.
- the sequential arrangement of the electrically conductive layer 32, the insulating layer 34 and the electrically lei ⁇ Tenden layer 36 serves to monitor the function of the protective layer 30.
- FIG. 2b shows a second embodiment of the construction of the turbine blade 10 according to FIG. 2 in a surface area thereof.
- the fiber composite material 18 is surrounded by a layer of indication material 38, which in turn is surrounded by the protective layer 30.
- the indication material 38 is in the form of water-soluble substances which are detectable in dissolved form in a chemical, optical and / or radiological manner. The indication material 38 thus serves to detect a leak in the protective layer 30. That is, moisture penetrates into the interior of the protective layer
- Blade sheet portion 12 so the water-soluble chemicals of the indication material 38 are dissolved and Kings ⁇ nen be detected in the condensate from the steam leaving the turbine.
- Fig. 3a shows a second embodiment of a turbine blade OF INVENTION ⁇ to the invention to a 110th only partially ge ⁇ showed aerofoil section 12 with a fiber composite material 18, a foot portion 43 connects.
- the fibers of the fiber composite material 18 are, starting from the scene ⁇ felblattabêt performed in the foot section 43 and 12 therein whereupon the fiber guided around a contact and deflection element 46 in the form of a metal ⁇ metallic sleeve, then again runs back into the airfoil section 12.
- the element 46 thus fulfills a deflection function.
- it also fills a contact function in which it makes contact with a shaft groove 48 of a rotor shaft 47 of a steam turbine.
- FIG. 3b the section III-III of Fig. 3a is shown.
- the foot portion 43 is designed in the form of a plug foot with plug-in ⁇ tabs 45 for insertion into corresponding transverse to a longitudinal axis 50 of a rotor shaft 47 extending grooves 48.
- the push-in tabs 45 are then secured in the shaft grooves 48 by means of insertion pins arranged transversely thereto.
- Each of these plug-in feet 45 has one of the contact and deflection elements 46.
- a third embodiment of an inventions to the invention ⁇ turbine blade 210 is illustrated with a foot portion 52 in the form of a sliding foot.
- the complicatab ⁇ section 52 the detail in Fig. 4b in sectional view Darge ⁇ represents is inserted into a running in the axial direction of the rotor shaft shaft groove 60.
- the foot section 52 is provided with a curvature, as shown in Fig. 4a and has a deflecting element 56 around which a substantial number of fibers of the fiber composite material 18 is guided around. These fibers are surrounded by a guide or contact element 54.
- This element initially fulfills the function of redirecting an advantageous fiber guide in the foot section 52 into a fiber guide adapted to the geometry of the blade section 12.
- the element 54 fulfills the function of making contact with a shaft groove 60 of the rotor shaft 58.
- the guide and contact element 54 completely surrounds the fiber composite material 18 of the foot section 14 and also adjoins the fiber composite material 18 in the lower region of the fiber blade leaf section 12. This area is shown in more detail in Fig. 4c. To case of deformations of the aerofoil section 12 no BeCdi ⁇ conditions of the guide and the contact element 54 or of the fiber composite material causing 18, a gap 62 between the fiber composite material 18 and the element 54 is provided.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Laminated Bodies (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06819186T PL1951991T3 (pl) | 2005-11-21 | 2006-10-30 | Łopatka turbiny dla turbiny parowej |
DE502006006279T DE502006006279D1 (de) | 2005-11-21 | 2006-10-30 | Turbinenschaufel für eine dampfturbine |
US12/085,274 US20100014982A1 (en) | 2005-11-21 | 2006-10-30 | Turbine Blade for a Steam Turbine |
JP2008540562A JP4772873B2 (ja) | 2005-11-21 | 2006-10-30 | 蒸気タービンのタービン翼 |
EP06819186A EP1951991B1 (de) | 2005-11-21 | 2006-10-30 | Turbinenschaufel für eine dampfturbine |
CN2006800434023A CN101313129B (zh) | 2005-11-21 | 2006-10-30 | 用于汽轮机的涡轮叶片 |
BRPI0618860-5A BRPI0618860A2 (pt) | 2005-11-21 | 2006-10-30 | lámina de turbina para uma turbina a vapor |
AT06819186T ATE458900T1 (de) | 2005-11-21 | 2006-10-30 | Turbinenschaufel für eine dampfturbine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05025359A EP1788197A1 (de) | 2005-11-21 | 2005-11-21 | Turbinenschaufel für eine Dampfturbine |
EP05025359.0 | 2005-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007057294A1 true WO2007057294A1 (de) | 2007-05-24 |
Family
ID=36010462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/067923 WO2007057294A1 (de) | 2005-11-21 | 2006-10-30 | Turbinenschaufel für eine dampfturbine |
Country Status (11)
Country | Link |
---|---|
US (1) | US20100014982A1 (de) |
EP (2) | EP1788197A1 (de) |
JP (1) | JP4772873B2 (de) |
CN (1) | CN101313129B (de) |
AT (1) | ATE458900T1 (de) |
BR (1) | BRPI0618860A2 (de) |
DE (1) | DE502006006279D1 (de) |
ES (1) | ES2338369T3 (de) |
PL (1) | PL1951991T3 (de) |
RU (1) | RU2418956C2 (de) |
WO (1) | WO2007057294A1 (de) |
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DE102009047798A1 (de) * | 2009-09-30 | 2011-04-14 | Siemens Aktiengesellschaft | Turbinenschaufel, insbesondere Endstufenlaufschaufel für eine Dampfturbine |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1178140A (fr) * | 1956-07-05 | 1959-05-04 | Licentia Gmbh | Aube pour un étage traversé par de la vapeur humide d'une turbine à vapeur |
DE2243132A1 (de) * | 1972-08-15 | 1974-02-28 | Bbc Brown Boveri & Cie | Leichtschaufel fuer axiale stroemungsmaschine |
US3883267A (en) * | 1972-08-04 | 1975-05-13 | Snecma | Blades made of composite fibrous material, for fluid dynamic machines |
DE2450253A1 (de) * | 1973-11-21 | 1975-05-22 | Inst Energetik | Verfahren zur verringerung der erosion von turbinenteilen, insbesondere von turbinenschaufeln der nassdampfturbinen |
US5240377A (en) * | 1992-02-25 | 1993-08-31 | Williams International Corporation | Composite fan blade |
EP1462606A1 (de) * | 2002-01-08 | 2004-09-29 | General Electric Company | Hybride Mehrkomponententurbinenschaufel |
EP1577422A1 (de) * | 2004-03-16 | 2005-09-21 | General Electric Company | Erosions- und Verschleissfeste Schutzstrukture für Bauteile eines Turbinentriebwerks |
EP1593811A2 (de) * | 2004-05-05 | 2005-11-09 | General Electric Company | Hybrid Turbinenschaufel |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3737250A (en) * | 1971-06-16 | 1973-06-05 | Us Navy | Fiber blade attachment |
JPS58165501A (ja) * | 1982-03-26 | 1983-09-30 | Mitsui Eng & Shipbuild Co Ltd | 軸流回転機動翼の製造方法 |
JPS6262224A (ja) * | 1985-09-12 | 1987-03-18 | Mitsubishi Heavy Ind Ltd | 翼振動計測装置 |
JPS63263204A (ja) * | 1987-04-21 | 1988-10-31 | Toshiba Corp | タ−ビンの羽根侵食防止装置 |
US5049036A (en) * | 1988-09-09 | 1991-09-17 | Airfoil Textron Inc | Composite blade with divergent root and method for making same |
JPH06137103A (ja) * | 1992-10-26 | 1994-05-17 | Mitsubishi Heavy Ind Ltd | 繊維強化複合材ブレード |
JP3100301B2 (ja) * | 1995-01-17 | 2000-10-16 | 三菱重工業株式会社 | 蒸気タービン静翼 |
DE19640298A1 (de) * | 1996-09-30 | 1998-04-09 | Siemens Ag | Dampfturbine, Verfahren zur Kühlung einer Dampfturbine im Ventilationsbetrieb sowie Verfahren zur Kondensationsminderung bei einer Dampfturbine im Leistungsbetrieb |
JP3285771B2 (ja) * | 1996-10-01 | 2002-05-27 | 三菱重工業株式会社 | 翼振動計測装置 |
US7300255B2 (en) * | 2002-09-27 | 2007-11-27 | Florida Turbine Technologies, Inc. | Laminated turbomachine airfoil with jacket and method of making the airfoil |
US7306826B2 (en) * | 2004-02-23 | 2007-12-11 | General Electric Company | Use of biased fabric to improve properties of SiC/SiC ceramic composites for turbine engine components |
US7186092B2 (en) * | 2004-07-26 | 2007-03-06 | General Electric Company | Airfoil having improved impact and erosion resistance and method for preparing same |
US7753653B2 (en) * | 2007-01-12 | 2010-07-13 | General Electric Company | Composite inlet guide vane |
-
2005
- 2005-11-21 EP EP05025359A patent/EP1788197A1/de not_active Withdrawn
-
2006
- 2006-10-30 CN CN2006800434023A patent/CN101313129B/zh not_active Expired - Fee Related
- 2006-10-30 DE DE502006006279T patent/DE502006006279D1/de active Active
- 2006-10-30 PL PL06819186T patent/PL1951991T3/pl unknown
- 2006-10-30 RU RU2008125060/06A patent/RU2418956C2/ru not_active IP Right Cessation
- 2006-10-30 BR BRPI0618860-5A patent/BRPI0618860A2/pt not_active IP Right Cessation
- 2006-10-30 EP EP06819186A patent/EP1951991B1/de not_active Not-in-force
- 2006-10-30 US US12/085,274 patent/US20100014982A1/en not_active Abandoned
- 2006-10-30 WO PCT/EP2006/067923 patent/WO2007057294A1/de active Application Filing
- 2006-10-30 AT AT06819186T patent/ATE458900T1/de active
- 2006-10-30 JP JP2008540562A patent/JP4772873B2/ja not_active Expired - Fee Related
- 2006-10-30 ES ES06819186T patent/ES2338369T3/es active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1178140A (fr) * | 1956-07-05 | 1959-05-04 | Licentia Gmbh | Aube pour un étage traversé par de la vapeur humide d'une turbine à vapeur |
US3883267A (en) * | 1972-08-04 | 1975-05-13 | Snecma | Blades made of composite fibrous material, for fluid dynamic machines |
DE2243132A1 (de) * | 1972-08-15 | 1974-02-28 | Bbc Brown Boveri & Cie | Leichtschaufel fuer axiale stroemungsmaschine |
DE2450253A1 (de) * | 1973-11-21 | 1975-05-22 | Inst Energetik | Verfahren zur verringerung der erosion von turbinenteilen, insbesondere von turbinenschaufeln der nassdampfturbinen |
US5240377A (en) * | 1992-02-25 | 1993-08-31 | Williams International Corporation | Composite fan blade |
EP1462606A1 (de) * | 2002-01-08 | 2004-09-29 | General Electric Company | Hybride Mehrkomponententurbinenschaufel |
EP1577422A1 (de) * | 2004-03-16 | 2005-09-21 | General Electric Company | Erosions- und Verschleissfeste Schutzstrukture für Bauteile eines Turbinentriebwerks |
EP1593811A2 (de) * | 2004-05-05 | 2005-11-09 | General Electric Company | Hybrid Turbinenschaufel |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009036624A1 (de) * | 2009-08-07 | 2011-02-17 | Siemens Aktiengesellschaft | Beschaufelung einer Turbinenstufe einer Turbine sowie Turbine |
DE102009047798A1 (de) * | 2009-09-30 | 2011-04-14 | Siemens Aktiengesellschaft | Turbinenschaufel, insbesondere Endstufenlaufschaufel für eine Dampfturbine |
Also Published As
Publication number | Publication date |
---|---|
RU2418956C2 (ru) | 2011-05-20 |
CN101313129A (zh) | 2008-11-26 |
JP2009516798A (ja) | 2009-04-23 |
BRPI0618860A2 (pt) | 2011-09-13 |
JP4772873B2 (ja) | 2011-09-14 |
DE502006006279D1 (de) | 2010-04-08 |
CN101313129B (zh) | 2011-07-06 |
RU2008125060A (ru) | 2009-12-27 |
EP1788197A1 (de) | 2007-05-23 |
EP1951991A1 (de) | 2008-08-06 |
PL1951991T3 (pl) | 2010-07-30 |
EP1951991B1 (de) | 2010-02-24 |
ES2338369T3 (es) | 2010-05-06 |
US20100014982A1 (en) | 2010-01-21 |
ATE458900T1 (de) | 2010-03-15 |
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