EP 3841229 B1 20220209 - ABRADABLE COATING FOR ROTATING BLADES OF A TURBOMACHINE
Title (en)
ABRADABLE COATING FOR ROTATING BLADES OF A TURBOMACHINE
Title (de)
ABREIBBARE BESCHICHTUNG FÜR ROTIERENDE SCHAUFELN EINER TURBOMASCHINE
Title (fr)
REVETEMENT ABRADABLE POUR AUBES TOURNANTES D'UNE TURBOMACHINE
Publication
Application
Priority
- FR 1857581 A 20180822
- FR 2019051943 W 20190820
Abstract (en)
[origin: WO2020039146A1] The invention relates to an abradable coating (2) comprising a matrix (21) and particles (22) dispersed in said matrix (21), the particles (22) being made of a material which changes to a fluid phase under the effect of the increase in temperature in the event of contact between a blade tip and the abradable coating (2).
IPC 8 full level
C23C 30/00 (2006.01); C23C 4/073 (2016.01); C23C 4/11 (2016.01); F01D 11/12 (2006.01)
CPC (source: EP US)
C23C 4/073 (2016.01 - EP); C23C 4/11 (2016.01 - EP); C23C 30/00 (2013.01 - EP); F01D 11/122 (2013.01 - EP US); C23C 4/073 (2016.01 - US); C23C 4/11 (2016.01 - US); F05D 2300/6032 (2013.01 - EP); F05D 2300/6033 (2013.01 - EP); F05D 2300/611 (2013.01 - US)
Citation (opposition)
Opponent : Raytheon Technologies Corporation
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- EP 0751104 B1 20040728 - ROLLS ROYCE PLC [GB]
- US 2010284797 A1 20101111 - JARRABET GREGORY PAUL [US], et al
- US 9102015 B2 20150811 - KULKARNI ANAND A [US], et al
- US 7509735 B2 20090331 - PHILIP VINOD [US], et al
- US 5723078 A 19980303 - NAGARAJ BANGALORE A [US], et al
- EP 0765951 B1 20001206 - UNITED TECHNOLOGIES CORP [US]
- EP 1908856 B1 20140521 - UNITED TECHNOLOGIES CORP [US]
- US 2016084102 A1 20160324 - PABLA SURINDER SINGH [US], et al
- US 9598973 B2 20170321 - GHASRIPOOR FARSHAD [US], et al
- KOHN J. A., GERALD KATZ AND A.A. GIARDINI: "AI810, a new phase, and a critique on the aluminum borides", ZEITSCHRIFT FÜR KRISTALLOGRAPHIE - CRYSTALLINE MATERIALS, vol. 111, 1 January 1958 (1958-01-01), pages 53 - 62, XP093003109
- ANONYMOUS: "Viscosity of liquids", BÜRKLE, 1 January 2020 (2020-01-01), pages 1 - 4, XP055961355, Retrieved from the Internet <URL:https://www.buerkle.de/files_pdf/wissenswertes/viscosity_en.pdf> [retrieved on 20220915]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2020039146 A1 20200227; CN 112601841 A 20210402; CN 112601841 B 20220322; EP 3841229 A1 20210630; EP 3841229 B1 20220209; FR 3085172 A1 20200228; FR 3085172 B1 20210305; US 11359508 B2 20220614; US 11933181 B2 20240319; US 2021172331 A1 20210610; US 2022282634 A1 20220908
DOCDB simple family (application)
FR 2019051943 W 20190820; CN 201980054182 A 20190820; EP 19782658 A 20190820; FR 1857581 A 20180822; US 201917269854 A 20190820; US 202217746417 A 20220517