DE102005015146A1 - Frictional coating for use in e.g. turbine, has coating material and several frictional lines made of coating material, where lines are arranged distributed in circumferential direction - Google Patents
Frictional coating for use in e.g. turbine, has coating material and several frictional lines made of coating material, where lines are arranged distributed in circumferential direction Download PDFInfo
- Publication number
- DE102005015146A1 DE102005015146A1 DE200510015146 DE102005015146A DE102005015146A1 DE 102005015146 A1 DE102005015146 A1 DE 102005015146A1 DE 200510015146 DE200510015146 DE 200510015146 DE 102005015146 A DE102005015146 A DE 102005015146A DE 102005015146 A1 DE102005015146 A1 DE 102005015146A1
- Authority
- DE
- Germany
- Prior art keywords
- rotor
- lines
- coating
- sanding
- abrasive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
-
- 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
- F01D5/284—Selection of ceramic materials
-
- 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
- F05D2230/90—Coating; Surface treatment
-
- 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
- F05D2250/00—Geometry
- F05D2250/20—Three-dimensional
- F05D2250/28—Three-dimensional patterned
-
- 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
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/22—Non-oxide ceramics
- F05D2300/228—Nitrides
-
- 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
- F05D2300/611—Coating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Technisches Gebiettechnical area
Die vorliegende Erfindung betrifft eine Schleifbeschichtung an einem Rotor einer rotierenden Strömungsmaschine, wie zum Beispiel einer Turbine oder einem Verdichter. Die Erfindung betrifft außerdem einen mit einer derartigen Schleifbeschichtung ausgestatteten Rotor sowie eine rotierende Strömungsmaschine, deren Rotor mit einer solchen Schleifbeschichtung ausgestattet ist.The The present invention relates to an abrasive coating on a Rotor of a rotating turbomachine, such as a turbine or a compressor. The invention also concerns a rotor equipped with such an abrasive coating and a rotating turbomachine, whose rotor is equipped with such an abrasive coating.
Ein Rotor einer rotierenden Strömungsmaschine ist üblicherweise zwischen benachbarten Laufschaufelreihen mit Hitzeschild-Elementen versehen. Diese Hitzeschild-Elemente können mit einer Schleifbeschichtung versehen sein, die aus einem Beschichtungsmaterial besteht, das im Falle eines Schleifkontakts mit einem Statorteil, wie zum Beispiel eine Leitschaufel, abrasiv wirkt. Auf diese Weise kann der Rotor im Fall einer Kollision mit Statorteilen vor Beschädigungen geschützt werden. Denn die abrasiv wirkende Schleifbeschichtung schleift während des Schleifkontakts das jeweilige Statorteil so weit ab, bis es wieder vom Rotor freikommt. Auf diese Weise kann die Belastung und Ermüdung des Rotors reduziert werden. Bekannte Schleifbeschichtungen sind dabei großflä chig und in Umfangsrichtung geschlossen an den Hitzeschild-Elementen angeordnet.One Rotor of a rotating turbomachine is usually between adjacent blade rows with heat shield elements Mistake. These heat shield elements can be coated with an abrasive coating be provided, which consists of a coating material, the in the case of a sliding contact with a stator part, such as a Guide vane, abrasive. In this way, the rotor in the case a collision with stator parts are protected from damage. Because the abrasive abrasive coating grinds during the Sliding contact the respective stator so far off until it again released from the rotor. In this way, the stress and fatigue of the Rotor can be reduced. Known abrasive coatings are included large and closed in the circumferential direction arranged on the heat shield elements.
Herkömmliche Hitzeschild-Elemente werden am Rotor mittels Umfangsnuten befestigt. Diese Umfangsnuten können die Festigkeit des Rotors beeinträchtigen, beispielsweise kann die Kriech-Lebenszeit des Rotors durch derartige Umfangsnuten reduziert werden.conventional Heat shield elements are attached to the rotor by means of circumferential grooves. These circumferential grooves can affect the strength of the rotor, for example, can reduces the creep lifetime of the rotor by such circumferential grooves become.
Darstellung der Erfindungpresentation the invention
Hier setzt die vorliegende Erfindung an. Die Erfindung, wie sie in den Ansprüchen gekennzeichnet ist, beschäftigt sich mit dem Problem, für eine Schleifbeschichtung der eingangs genannten Art eine verbesserte Ausführungsform anzugeben, die es insbesondere ermöglicht, negative Auswirkungen auf den Rotor zu reduzieren, die zum Beispiel durch Hitzeschild-Elemente entstehen können.Here uses the present invention. The invention, as in the claims is employed dealing with the problem, for an abrasive coating of the type mentioned improved embodiment which, in particular, makes it possible to adversely affect to reduce the rotor, for example, by heat shield elements can arise.
Erfindungsgemäß wird dieses Problem durch die Gegenstände der unabhängigen Ansprüche gelöst. Vorteilhafte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.According to the invention this Problem with the objects the independent one claims solved. Advantageous embodiments are the subject of the dependent Claims.
Die Erfindung beruht auf dem allgemeinen Gedanken, die Schleifbeschichtung mittels mehrerer einzelner oder separater Schleiflinien auszubilden, die in Umfangsrichtung des Rotors verteilt angeordnet sind. Durch diese Ausgestaltung der Schleifbeschichtung ist es zum einen möglich, damit ausgestattete Hitzeschild-Elemente deutlich kleiner auszugestalten, wobei insbesondere auf eine umfangsmäßig geschlossene Anordnung der Hitzeschildelemente verzichtet werden kann. Zum anderen können derartige Schleiflinien unmittelbar am Rotor angebracht werden. Dies ist mit vertretbarem Aufwand realisierbar, da im Ver gleich zu einer herkömmlichen flächigen Schleifbeschichtung sehr viel weniger Beschichtungsmaterial am Rotor angebracht werden muss. Bei der Anbringung der Schleifbeschichtung unmittelbar am Rotor entfallen die Hitzeschild-Elemente, was zum einen die Lebenszeit des Rotors erhöht und zum anderen den Aufbau des Rotors bzw. der damit ausgestatteten Strömungsmaschine preiswerter macht. Die Erfindung nutzt hierbei die Erkenntnis, dass die thermisch isolierende Wirkung der Hitzeschild-Elemente am Rotor häufig nur geringfügig und regelmäßig vernachlässigbar ist.The Invention is based on the general idea, the abrasive coating by means of several individual or separate sanding lines, the arranged distributed in the circumferential direction of the rotor. Through this Design of the abrasive coating, it is possible for a, so to make existing heat shield elements significantly smaller, in particular, a circumferentially closed arrangement the heat shield elements can be dispensed with. On the other hand, such Grinding lines are attached directly to the rotor. This is with reasonable effort feasible, since in comparison to a conventional flat Abrasive coating much less coating material on the rotor must be attached. When applying the abrasive coating The heat shield elements are omitted directly on the rotor, which, on the one hand, increases the lifetime of the rotor increases and on the other hand, the structure of the rotor or the so equipped flow machine makes cheaper. The invention uses the knowledge that the thermal insulating effect of the heat shield elements on the rotor often only slightly and regularly negligible is.
Um das Schleifverhalten der Schleifbeschichtung zu verbessern, können die Schleiflinien bezüglich einer senkrecht zur Rotationsachse des Rotors orientierten Projektion geradlinig verlaufen. Zusätzlich oder alternativ ist es möglich, die Schleiflinien so auszugestalten, dass sie gegenüber einer Parallelen zur Rotationsachse des Rotors einen Anstellwinkel aufweisen. Durch diese Ausführungsformen können bei der Kontaktierung des jeweiligen Statorteils, in der Regel Leitschaufeln, mit den Schleiflinien hohe Stoßkräfte vermieden werden, was die Lebensdauer der Statorteile und des Rotors verbessert. Des Weiteren können dadurch die wirksamen Scherkräfte reduziert werden, da durch den Anstellwinkel nur eine vergleichsweise kleine Kontaktfläche zwischen dem jeweiligen Statorteil und den Schleiflinien entsteht.Around To improve the grinding behavior of the abrasive coating, the Sanding lines with respect to a projection oriented perpendicular to the axis of rotation of the rotor run straight. additionally or alternatively it is possible to design the sanding lines in such a way that they are parallel to one another have an angle of attack to the axis of rotation of the rotor. By these embodiments can during the contacting of the respective stator part, as a rule guide vanes, Avoid high impact forces with the sanding lines which improves the service life of the stator parts and the rotor. Furthermore you can thereby the effective shearing forces be reduced because only a comparatively by the angle of attack small contact area arises between the respective stator part and the grinding lines.
Weitere wichtige Merkmale und Vorteile der Erfindung ergeben sich aus den Unteransprüchen, aus den Zeichnungen und aus der zugehörigen Figurenbeschreibung anhand der Zeichnungen.Further important features and advantages of the invention will become apparent from the Dependent claims, from the drawings and from the associated description of the figures the drawings.
Kurze Beschreibung der ZeichnungenShort description the drawings
Bevorzugte Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden in der nachfolgenden Beschreibung näher erläutert, wobei sich gleiche Bezugszeichen auf gleiche oder ähnliche oder funktional gleiche Komponenten beziehen. Es zeigen, jeweils schematisch,preferred embodiments The invention are illustrated in the drawings and in the following description explains where like reference numerals refer to the same or similar or functionally identical components. Show, respectively schematically
Wege zur Ausführung der ErfindungWays to execute the invention
Entsprechend
Der
Rotor
Entsprechend
Die
Darstellung gemäß
Eine
einzelne Schleiflinie
Zweckmäßig sind
die Schleiflinien
Die
Schleiflinien
Entsprechend
einer besonders vorteilhaften Ausführungsform können die
Schleiflinien
Des
Weiteren zeigen die
Die
Zumindest
ein solcher Beschichtungsträger
Entsprechend
den
Ein
zur Realisierung der Schleiflinien
Die
Auswahl des jeweiligen Beschichtungsmaterials sowie die Auswahl
eines geeigneten Verfahrens zum Anbringen der Schleifbeschichtung
Darüber hinaus
bietet die erfindungsgemäße Schleifbeschichtung
- 11
- Strömungsmaschineflow machine
- 22
- Rotorrotor
- 33
- Statorstator
- 44
- LaufschaufelreiheBlade row
- 55
- Laufschaufelblade
- 66
- Leitschaufelreihevane row
- 77
- Leitschaufelvane
- 88th
- Axialabschnittaxial
- 99
- Schleifbeschichtungabrasive coating
- 1010
- Schleifliniegrinding line
- 1111
- Rotationsachseaxis of rotation
- 1212
- Paralleleparallel
- 1313
- Anstellwinkelangle of attack
- 1414
- Längelength
- 1515
- Breitewidth
- 1616
- Höheheight
- 1717
- Abstanddistance
- 1818
- Rotorkomponente/BeschichtungsträgerRotor component / coating substrates
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510015146 DE102005015146A1 (en) | 2005-03-31 | 2005-03-31 | Frictional coating for use in e.g. turbine, has coating material and several frictional lines made of coating material, where lines are arranged distributed in circumferential direction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510015146 DE102005015146A1 (en) | 2005-03-31 | 2005-03-31 | Frictional coating for use in e.g. turbine, has coating material and several frictional lines made of coating material, where lines are arranged distributed in circumferential direction |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005015146A1 true DE102005015146A1 (en) | 2006-10-05 |
Family
ID=36998914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200510015146 Withdrawn DE102005015146A1 (en) | 2005-03-31 | 2005-03-31 | Frictional coating for use in e.g. turbine, has coating material and several frictional lines made of coating material, where lines are arranged distributed in circumferential direction |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102005015146A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010063575A1 (en) * | 2008-12-03 | 2010-06-10 | Siemens Aktiengesellschaft | Axial compressor for a gas turbine having passive radial gap control |
EP2453110A1 (en) * | 2010-10-25 | 2012-05-16 | United Technologies Corporation | Method of forming a seal in a gas turbine engine, corresponding blade airfoil and seal combination and gas turbine engine |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69110416T2 (en) * | 1990-11-19 | 1995-10-12 | Sulzer Plasma Tech | Thermal spray powder. |
DE19945581A1 (en) * | 1999-09-23 | 2001-03-29 | Abb Ag Baden | Turbo machine |
-
2005
- 2005-03-31 DE DE200510015146 patent/DE102005015146A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69110416T2 (en) * | 1990-11-19 | 1995-10-12 | Sulzer Plasma Tech | Thermal spray powder. |
DE19945581A1 (en) * | 1999-09-23 | 2001-03-29 | Abb Ag Baden | Turbo machine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010063575A1 (en) * | 2008-12-03 | 2010-06-10 | Siemens Aktiengesellschaft | Axial compressor for a gas turbine having passive radial gap control |
EP2453110A1 (en) * | 2010-10-25 | 2012-05-16 | United Technologies Corporation | Method of forming a seal in a gas turbine engine, corresponding blade airfoil and seal combination and gas turbine engine |
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
R079 | Amendment of ipc main class |
Free format text: PREVIOUS MAIN CLASS: F01D0005180000 Ipc: F01D0011120000 |
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R012 | Request for examination validly filed |
Effective date: 20120222 |
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R079 | Amendment of ipc main class |
Free format text: PREVIOUS MAIN CLASS: F01D0005180000 Ipc: F01D0011120000 Effective date: 20120611 |
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R082 | Change of representative |
Representative=s name: DREISS PATENTANWAELTE PARTG MBB, DE Representative=s name: DREISS PATENTANWAELTE PARTNERSCHAFT, DE |
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R081 | Change of applicant/patentee |
Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH, CH Free format text: FORMER OWNER: ALSTOM TECHNOLOGY LTD., BADEN, CH Owner name: ANSALDO ENERGIA IP UK LIMITED, GB Free format text: FORMER OWNER: ALSTOM TECHNOLOGY LTD., BADEN, CH |
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R082 | Change of representative |
Representative=s name: DREISS PATENTANWAELTE PARTG MBB, DE |
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R016 | Response to examination communication | ||
R081 | Change of applicant/patentee |
Owner name: ANSALDO ENERGIA IP UK LIMITED, GB Free format text: FORMER OWNER: GENERAL ELECTRIC TECHNOLOGY GMBH, BADEN, CH |
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R082 | Change of representative |
Representative=s name: DREISS PATENTANWAELTE PARTG MBB, DE |
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R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |