(19)
(11) EP 3 902 984 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
19.02.2025 Bulletin 2025/08

(45) Mention of the grant of the patent:
11.12.2024 Bulletin 2024/50

(21) Application number: 19832554.0

(22) Date of filing: 26.12.2019
(51) International Patent Classification (IPC): 
F01D 25/00(2006.01)
(52) Cooperative Patent Classification (CPC):
F01D 25/002; F05D 2220/30
(86) International application number:
PCT/EP2019/025489
(87) International publication number:
WO 2020/135931 (02.07.2020 Gazette 2020/27)

(54)

STATOR AERODYNAMIC COMPONENTS WITH NOZZLES AND METHODS FOR CLEANING A TURBOMACHINE

AERODYNAMISCHE STATORKOMPONENTEN MIT DÜSEN UND VERFAHREN ZUR REINIGUNG EINER TURBOMASCHINE

COMPOSANTS AÉRODYNAMIQUES DE STATOR À BUSES ET PROCÉDÉS DE NETTOYAGE D'UNE TURBOMACHINE

(84) Designated Contracting States:
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

(30) Priority: 27.12.2018 IT 201800021067

(43) Date of publication of application:
03.11.2021 Bulletin 2021/44

(73) Proprietor: Nuovo Pignone Tecnologie - S.r.l.
50127 Florence (IT)

(72) Inventors:
  • DEVI, Ravindra
    Bengaluru Karnataka, 560 066 (IN)
  • MICHELASSI, Vittorio
    50127 Florence (IT)
  • MERLO, Roberto
    50127 Florence (IT)
  • PARIK, Devender
    Bengaluru Karnataka, 560 066 (IN)

(74) Representative: Novagraaf Group 
Chemin de l'Echo 3
1213 Onex / Geneva
1213 Onex / Geneva (CH)


(56) References cited: : 
EP-A1- 2 562 430
DE-A1- 102015 006 080
US-A1- 2014 144 151
 EP-A2- 1 388 656
US-A1- 2007 028 947
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).