EP 2060791 A1 20090520 - Centrifugal electric pump with axial suction
Title (en)
Centrifugal electric pump with axial suction
Title (de)
Zentrifugalelektropumpe mit axialer Ansaugung
Title (fr)
Pompe électrique centrifuge avec aspiration axiale
Publication
Application
Priority
EP 07425715 A 20071113
Abstract (en)
A centrifugal electric pump with axial suction comprises at least two impellers (6) hydraulically mounted in series in the main casing and in which, D being the distance between the central axis (17) of the delivery opening (5) and the first connecting plane (13) defined by the suction opening (4), A being the distance between the axis of rotation (X) of the impellers (6) and the electric pump (1) supporting plane (10), and B being the distance between the axis of rotation (X) and the second connecting plane (20) defined by the delivery opening (5); the following relations apply: 0.7 ‰¤ A / B ‰¤ 0.9 ; 1.3 ‰¤ A / D ‰¤ 2.25 ; and 1.6 ‰¤ B / D ‰¤ 2.9.
IPC 8 full level
F04D 1/06 (2006.01); F04D 29/42 (2006.01)
CPC (source: EP)
F04D 1/063 (2013.01); F04D 29/426 (2013.01); F04D 29/4293 (2013.01)
Citation (search report)
- [X] DE 2034489 A1 19720113 - ALLWEILER AG
- [X] JP S5281701 A 19770708 - EBARA MFG
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 07425715 A 20071113