(19)
(11) EP 3 415 729 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:
07.04.2021 Bulletin 2021/14

(45) Mention of the grant of the patent:
23.12.2020 Bulletin 2020/52

(21) Application number: 17176233.9

(22) Date of filing: 15.06.2017
(51) International Patent Classification (IPC): 
F01D 25/36(2006.01)
F01D 21/00(2006.01)
 F02C 7/12(2006.01)

(54)

LOW-POWER BOWED ROTOR PREVENTION AND MONITORING SYSTEM

NIEDERLEISTUNGSSYSTEM ZUR VORBEUGUNG UND ÜBERWACHUNG EINES GEKRÜMMTEN ROTORS

SYSTÈME DE SURVEILLANCE ET DE PRÉVENTION DE ROTOR COURBÉ DE FAIBLE PUISSANCE

(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

(43) Date of publication of application:
19.12.2018 Bulletin 2018/51

(73) Proprietor: Raytheon Technologies Corporation
Farmington, CT 06032 (US)

(72) Inventors:
  • CLAUSON, Jesse W.
    Agawam, MA Massachusetts 01001 (US)
  • SCHWARZ, Frederick M.
    Glastonbury, CT Connecticut 06033 (US)

(74) Representative: Dehns 
St. Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)


(56) References cited: : 
EP-A1- 3 211 184
US-A1- 2011 232 294
 US-A- 4 733 529
US-B1- 9 664 070
   
       
    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).