EP 2014924 A1 20090114 - Impeller arrangement and method of condition detection in an impeller arrangement
Title (en)
Impeller arrangement and method of condition detection in an impeller arrangement
Title (de)
Laufradanordnung und Verfahren zur Zustandserkennung in einer Laufradanordnung
Title (fr)
Agencement de turbine et procédé de détection de condition dans un agencement de turbine
Publication
Application
Priority
EP 07013712 A 20070712
Abstract (en)
An impeller arrangement is provided which comprises an impeller casing (9), an impeller (1), a shaft (3) fixed to the impeller (1) and a shaft bearing (5). It further comprises a condition detection system with one or more sensors (27, 29) which is/are located and designed such as to be able to detect acoustic waves in the impeller casing (9) and/or the impeller (1) and/or the shaft (3) and/or in the shaft bearing (5).
IPC 8 full level
F04D 27/00 (2006.01); F04D 27/02 (2006.01); G01M 13/02 (2006.01); G01M 13/04 (2006.01)
CPC (source: EP)
F04D 27/0292 (2013.01)
Citation (search report)
- [X] EP 0943805 A1 19990922 - BURCKHARDT AG MASCHF [CH]
- [X] US 2003106375 A1 20030612 - SABINI EUGENE P [US], et al
- [X] EP 0742372 A1 19961113 - KSB AG [DE]
- [X] US 2004030524 A1 20040212 - JARRELL DONALD B [US], et al
- [A] JP H07324972 A 19951212 - NIPPON SEIKO KK
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
DOCDB simple family (application)
EP 07013712 A 20070712; EP 2008058906 W 20080709