EP2588270A2 - Nickel-based solder alloy - Google Patents
Nickel-based solder alloyInfo
- Publication number
- EP2588270A2 EP2588270A2 EP11830101.9A EP11830101A EP2588270A2 EP 2588270 A2 EP2588270 A2 EP 2588270A2 EP 11830101 A EP11830101 A EP 11830101A EP 2588270 A2 EP2588270 A2 EP 2588270A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- solder
- nickel
- mixture
- cobalt
- 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- Withdrawn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
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910000679 solder Inorganic materials 0.000 title claims abstract description 67
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 40
- 239000000956 alloy Substances 0.000 title claims abstract description 40
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 83
- 239000000203 mixture Substances 0.000 claims abstract description 26
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 22
- 239000011651 chromium Substances 0.000 claims abstract description 22
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 22
- 239000010941 cobalt Substances 0.000 claims abstract description 22
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 22
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052796 boron Inorganic materials 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 11
- 239000011733 molybdenum Substances 0.000 claims abstract description 11
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 11
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims abstract description 11
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 11
- 239000010937 tungsten Substances 0.000 claims abstract description 11
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 8
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 10
- 229910052758 niobium Inorganic materials 0.000 claims description 9
- 239000010955 niobium Substances 0.000 claims description 9
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 9
- 229910052763 palladium Inorganic materials 0.000 claims description 8
- 238000005476 soldering Methods 0.000 claims description 6
- 238000005219 brazing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910052727 yttrium Inorganic materials 0.000 claims description 4
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052738 indium Inorganic materials 0.000 claims description 3
- 238000004663 powder metallurgy Methods 0.000 claims 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 239000000470 constituent Substances 0.000 description 8
- 238000005275 alloying Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000601 superalloy Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3033—Ni as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3033—Ni as the principal constituent
- B23K35/304—Ni as the principal constituent with Cr as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/001—Turbines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
- B23K2103/26—Alloys of Nickel and Cobalt and Chromium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2230/00—Manufacture
- F05B2230/20—Manufacture essentially without removing material
- F05B2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05B2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
- F05B2230/237—Brazing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2230/00—Manufacture
- F05B2230/20—Manufacture essentially without removing material
- F05B2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05B2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
- F05B2230/238—Soldering
Definitions
- Gas turbines such as aircraft engines or stationary gas turbines, are subject to high mechanical and thermal stress during operation. Due to the stress during operation, in particular due to thermal cycling, erosion and the like, the components of gas turbines, in particular the blades exposed to the gas stream, may be damaged. By way of example, thermal fatigue cracks, eroded surfaces and the like are mentioned here. Since the components are made of high-quality and therefore expensive materials and must be produced by complex manufacturing processes, an exchange of correspondingly damaged components is not economical, so that during the maintenance and repair of gas turbines, especially aircraft engines, the components must be repaired. For this purpose, according to the state of the art, soldering processes are used in addition to welding processes. DE 10 356 562 A1, DE 10 2004 018 668 A1, EP 1 859 880 A1 or US Pat. No. 4,830,934 and EP 1 689 897 B1 disclose corresponding solder alloys.
- the first solder material is present in the mixture of the solder alloy in a proportion of 15 to 30 wt.%.
- the second solder material is also a nickel-based material, which has as alloying constituents chromium, cobalt, molybdenum, tungsten, boron and hafnium.
- the second solder material is present in a proportion of 15 to 25 wt.% In the mixture.
- the proportion of the first soldering material in the mixture may have 20 to 25% by weight and / or the proportion of the second soldering material may have 18 to 22% by weight.
- the corresponding alloy constituents in the first solder material and the second solder material Due to the suitable choice of the corresponding alloy constituents in the first solder material and the second solder material, it is possible in particular in combination with the proportion of the base material, which can correspond to the material to be soldered, a suitably suitable property profile of the solder alloy and adjusted to the application composition, the individual alloy components by training hardening phases z. B. (carbides) affect the strength properties or how, for example, boron act favorably on the melting point of the solder alloy. Other alloying constituents such as yttrium and hafnium can favorably influence the wetting behavior and flowability of the molten solder alloy. The oxidation resistance of the soldered rich becomes z. B. increased by aluminum.
- the first solder material may contain 10 to 20% by weight of chromium, in particular 13 to 16% by weight of chromium, 5 to 15% by weight of cobalt, in particular 9 to 11% by weight of cobalt, 2 to 4% by weight of tantalum, in particular 2, 5 to 3.5% by weight of tantalum, 3 to 4% by weight of aluminum, in particular about 3.5% by weight of aluminum, 2 to 4% by weight of boron, in particular 2.5 to 3.5% by weight of boron and 0.05 to 0.15 wt.% Yttrium and the balance nickel.
- the second solder material can contain 2 to 4% by weight of chromium, in particular 2.5 to 3.5% by weight of chromium, 3 to 7% by weight of cobalt, in particular 5 to 6% by weight of cobalt, 0.5 to 1.5% by weight % Molybdenum, in particular 0.9 to 1.1% by weight molybdenum, 5 to 10% by weight tungsten, in particular 7 to 8% by weight tungsten, 0.1 to 1% by weight niobium, in particular 0.2 to 0 , 5% by weight of niobium, 0.1 to 1.5% by weight of aluminum, in particular 0.5 to 1% by weight of aluminum, 2 to 4% by weight of boron, in particular 2.5 to 3.5% by weight of boron and 0, 5 to 1.5 wt.% Palladium, in particular 0.75 to 1.25 wt.% Palladium and the remainder nickel.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010026048A DE102010026048A1 (en) | 2010-07-03 | 2010-07-03 | Nickel-based solder alloy, useful for repair of gas turbine components, comprises mixture of first solder material comprising e.g. chromium, cobalt and tantalum, second solder material comprising e.g. chromium and cobalt and base material |
PCT/DE2011/001300 WO2012065581A2 (en) | 2010-07-03 | 2011-06-16 | Nickel-based solder alloy |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2588270A2 true EP2588270A2 (en) | 2013-05-08 |
Family
ID=45346759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11830101.9A Withdrawn EP2588270A2 (en) | 2010-07-03 | 2011-06-16 | Nickel-based solder alloy |
Country Status (4)
Country | Link |
---|---|
US (1) | US9346131B2 (en) |
EP (1) | EP2588270A2 (en) |
DE (1) | DE102010026048A1 (en) |
WO (1) | WO2012065581A2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2822726B1 (en) * | 2012-12-05 | 2019-05-22 | Liburdi Engineering Limited | Method of cladding and fusion welding of superalloys using composite filler powder |
DE102013222514A1 (en) * | 2013-11-06 | 2015-05-07 | MTU Aero Engines AG | Sealing arrangement for a turbomachine |
CN105200269B (en) * | 2015-11-09 | 2017-05-31 | 东方电气集团东方汽轮机有限公司 | A kind of intermediate layer alloy and preparation method thereof and application method |
EP3744864A1 (en) * | 2019-05-28 | 2020-12-02 | Siemens Aktiengesellschaft | Metallic powder mixture for build-up or repair |
EP4279620A1 (en) * | 2022-05-20 | 2023-11-22 | MTU Aero Engines AG | Solder composition for use in a method of soldering a component, additive alloy, soldering method and component |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5240491A (en) * | 1991-07-08 | 1993-08-31 | General Electric Company | Alloy powder mixture for brazing of superalloy articles |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4410490A (en) | 1982-07-12 | 1983-10-18 | Marko Materials, Inc. | Nickel and cobalt alloys which contain tungsten aand carbon and have been processed by rapid solidification process and method |
US4507264A (en) | 1982-12-01 | 1985-03-26 | Alloy Metals, Inc. | Nickel base brazing alloy and method |
US4830934A (en) | 1987-06-01 | 1989-05-16 | General Electric Company | Alloy powder mixture for treating alloys |
US5067489A (en) | 1988-08-16 | 1991-11-26 | Flexmedics Corporation | Flexible guide with safety tip |
US5242759A (en) | 1991-05-21 | 1993-09-07 | Cook Incorporated | Joint, a laminate, and a method of preparing a nickel-titanium alloy member surface for bonding to another layer of metal |
US5697380A (en) | 1996-01-11 | 1997-12-16 | Intella Interventional Systems, Inc. | Guide wire having distal extremity with adjustable support characteristic and method |
DE19729545A1 (en) | 1997-07-10 | 1999-01-14 | Euromat Gmbh | Solder alloy |
US6468669B1 (en) | 1999-05-03 | 2002-10-22 | General Electric Company | Article having turbulation and method of providing turbulation on an article |
FR2822741B1 (en) * | 2001-03-29 | 2003-06-27 | Snecma Services | BRAZING SUPPLY POWDER DIFFUSION OF ALLOY PIECE BASED ON NICKEL, COBALT OR IRON |
JP4146178B2 (en) | 2001-07-24 | 2008-09-03 | 三菱重工業株式会社 | Ni-based sintered alloy |
US6520401B1 (en) | 2001-09-06 | 2003-02-18 | Sermatech International, Inc. | Diffusion bonding of gaps |
US7192496B2 (en) * | 2003-05-01 | 2007-03-20 | Ati Properties, Inc. | Methods of processing nickel-titanium alloys |
US20080017694A1 (en) | 2003-09-24 | 2008-01-24 | Alexander Schnell | Braze Alloy And The Use Of Said Braze Alloy |
DE10356562A1 (en) | 2003-12-04 | 2005-06-30 | Mtu Aero Engines Gmbh | Solder alloy, use of the solder alloy and method for machining, in particular repair, of workpieces, in particular gas turbine components |
US7093423B2 (en) * | 2004-01-20 | 2006-08-22 | General Electric Company | Methods and apparatus for operating gas turbine engines |
DE102004018668A1 (en) | 2004-04-17 | 2005-11-03 | Mtu Aero Engines Gmbh | Solder alloy for repairing turbine blades contains chromium, nickel, silicon and a balance of cobalt |
EP1716965A1 (en) | 2005-04-28 | 2006-11-02 | Siemens Aktiengesellschaft | Solder comprising metallic elemental filler powder |
US8999231B2 (en) | 2006-05-24 | 2015-04-07 | United Technologies Corporation | Nickel alloy for repairs |
DE102006026704A1 (en) | 2006-06-08 | 2007-12-13 | Mtu Aero Engines Gmbh | Process for the manufacture or repair of turbine or engine components, and component, namely turbine or engine component |
EP1949988A1 (en) * | 2007-01-17 | 2008-07-30 | Siemens Aktiengesellschaft | Powder mixture with blocky powder, method for utilisation of the powder mixture and components |
US8075662B2 (en) | 2008-04-25 | 2011-12-13 | United Technologies Corporation | Nickel braze alloy composition |
-
2010
- 2010-07-03 DE DE102010026048A patent/DE102010026048A1/en not_active Withdrawn
-
2011
- 2011-06-16 WO PCT/DE2011/001300 patent/WO2012065581A2/en active Application Filing
- 2011-06-16 EP EP11830101.9A patent/EP2588270A2/en not_active Withdrawn
- 2011-06-16 US US13/808,053 patent/US9346131B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5240491A (en) * | 1991-07-08 | 1993-08-31 | General Electric Company | Alloy powder mixture for brazing of superalloy articles |
Non-Patent Citations (1)
Title |
---|
SPIEKERMANN P: "LEGIERUNGEN - EIN BESONDERES PATENTRECHTLICHES PROBLEM? - LEGIERUNGSPRUEFUNG IM EUROPAEISCHEN PATENTAMT -", MITTEILUNGEN DER DEUTSCHEN PATENTANWAELTE, HEYMANN, KOLN, DE, 1 January 1993 (1993-01-01), pages 178 - 190, XP000961882, ISSN: 0026-6884 * |
Also Published As
Publication number | Publication date |
---|---|
WO2012065581A2 (en) | 2012-05-24 |
DE102010026048A1 (en) | 2012-01-05 |
US9346131B2 (en) | 2016-05-24 |
WO2012065581A3 (en) | 2012-09-13 |
US20130270325A1 (en) | 2013-10-17 |
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Legal Events
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: KRAPPITZ, HARALD Inventor name: SEIDEL, FRANK Inventor name: ROESING, JUERGEN Inventor name: WALTEMATHE, MARKUS |
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DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: MTU AERO ENGINES AG |
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Effective date: 20160316 |
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Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
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18W | Application withdrawn |
Effective date: 20171020 |