US 11,867,086 B2
Coating composition for surface repair of turbomachine components and compressor components
Michael Annen, Duisburg (DE); Mario Brockschmidt, Essen (DE); Simone Friedle, Wuppertal (DE); Andrei Ghicov, Adelsdorf (DE); Sven Jacobi, Gevelsberg (DE); Manfred Kaulhausen, Meerbusch (DE); Stefan Krause, Krefeld (DE); Rayk Lagodka, Falkensee (DE); Frank Rainer, Oberhausen (DE); and Christian Scherhag, Mülheim an der Ruhr (DE)
Assigned to Siemens Energy Global GmbH & Co. KG, Munich (DE)
Appl. No. 17/044,806
Filed by Siemens Energy Global GmbH & Co. KG, Munich (DE)
PCT Filed Apr. 16, 2019, PCT No. PCT/EP2019/059743
§ 371(c)(1), (2) Date Oct. 1, 2020,
PCT Pub. No. WO2019/201889, PCT Pub. Date Oct. 24, 2019.
Claims priority of application No. 10 2018 205 816.4 (DE), filed on Apr. 17, 2018.
Prior Publication US 2021/0156268 A1, May 27, 2021
Int. Cl. F01D 5/28 (2006.01); C09D 7/40 (2018.01); C09D 7/61 (2018.01); C09D 5/10 (2006.01); F01D 5/00 (2006.01); C08K 3/14 (2006.01); C08K 3/40 (2006.01); C09D 5/08 (2006.01); C09D 5/04 (2006.01)
CPC F01D 5/288 (2013.01) [C09D 5/103 (2013.01); C09D 5/106 (2013.01); C09D 7/61 (2018.01); C09D 7/69 (2018.01); F01D 5/005 (2013.01); C08K 3/14 (2013.01); C08K 3/40 (2013.01); C08K 2201/009 (2013.01); C09D 5/04 (2013.01); C09D 5/08 (2013.01); C09D 5/082 (2013.01); F05D 2230/90 (2013.01); F05D 2260/95 (2013.01); F05D 2300/611 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A coating composition for coating of a compressor blade or vane of a gas turbine, which the compressor blade or vane is exposed to a fluid stream of the gas turbine, the coating composition comprising:
anticorrosion pigments,
a thixotropic agent,
and
hard material particles,
wherein the coating composition comprises a 2k (two-component) room temperature curing coating composition comprising a paint base and a curing agent; and the coating composition is exposed to the fluid stream on the outermost layer of the compressor blade or vane.