EP 2359009 B1 20120919 - REDUCIBLE RELIEF OPENING
Title (en)
REDUCIBLE RELIEF OPENING
Title (de)
REDUZIERBARE ENTLASTUNGSÖFFNUNG
Title (fr)
OUVERTURE DE DÉCHARGE RÉDUCTIBLE
Publication
Application
Priority
- EP 2009008531 W 20091201
- DE 102008062584 A 20081216
Abstract (en)
[origin: WO2010072307A1] The invention relates to a single or multi-stage centrifugal pump having a driven impeller (1) or impellers disposed in the pump housing and a shaft seal. The impeller has one or more adjustable relief openings (4) in at least one cover disc (3). One or more sleeve-like inserts (12, 13) are disposed in one or more relief openings (4).
IPC 8 full level
F04D 15/00 (2006.01); F04D 29/02 (2006.01); F04D 29/22 (2006.01)
CPC (source: EP)
F04D 15/0027 (2013.01); F04D 29/026 (2013.01); F04D 29/2266 (2013.01); F05D 2300/501 (2013.01); F05D 2300/518 (2013.01)
Designated contracting state (EPC)
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 SE SI SK SM TR
DOCDB simple family (publication)
DE 102008062584 A1 20100617; CN 102245904 A 20111116; DK 2359009 T3 20130102; EP 2359009 A1 20110824; EP 2359009 B1 20120919; WO 2010072307 A1 20100701
DOCDB simple family (application)
DE 102008062584 A 20081216; CN 200980150429 A 20091201; DK 09774627 T 20091201; EP 09774627 A 20091201; EP 2009008531 W 20091201