EP 2743509 B1 20150701 - Feed pump dry run detection
Title (en)
Feed pump dry run detection
Title (de)
Trockenlauferkennung einer Förderpumpe
Title (fr)
Détection de fonctionnement à sec de pompe d'alimentation
Publication
Application
Priority
EP 12196489 A 20121211
Abstract (en)
[origin: EP2743509A1] The method involves using speed detection sensor for monitoring unlubricated operation of feed pump. An electric drive motor is allowed to run out to defined end state starting from known initial state. The number of revolutions of motor rotor is detected and compared with predefined threshold value, while the speed detection sensor is configured to detect leakage defined final state in the electric drive motor. The unlubricated operation of feed pump is closed, while the predefined threshold value is exceeded.
IPC 8 full level
F04D 15/00 (2006.01); F04D 15/02 (2006.01)
CPC (source: EP)
F04D 15/0088 (2013.01); F04D 15/0218 (2013.01); F04D 15/0254 (2013.01)
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)
DOCDB simple family (application)
EP 12196489 A 20121211