EP 3171033 A1 20170524 - MULTISTAGE CENTRIFUGAL PUMP WITH CASING OPENING FOR THE MAINTENANCE OF AN AXIAL THRUST BALANCING PISTON
Title (en)
MULTISTAGE CENTRIFUGAL PUMP WITH CASING OPENING FOR THE MAINTENANCE OF AN AXIAL THRUST BALANCING PISTON
Title (de)
MEHRSTUFIGE KREISELPUMPE MIT GEHÄUSENÖFFNUNG ZUR WARTUNG EINES AXIALSCHUB-KOLBENS
Title (fr)
POMPE CENTRIFUGE À PLUSIEURS ÉTAGES AVEC OUVERTURE DE CARTER POUR LA MAINTENANCE D’UN PISTON À POUSSÉE AXIALE
Publication
Application
Priority
EP 15195415 A 20151119
Abstract (en)
[origin: US2017146029A1] A multi-stage centrifugal pump includes a pump casing, in which a shaft (8) carrying an impeller is rotatably arranged. The pump casing has a pump casing foot part (2) that includes a reversibly closable maintenance opening (60), via which a bearing and/or seal (20, 25), which is arranged at a shaft end within the pump casing, is accessible and exchangeable.
Abstract (de)
Die mehrstufige Kreiselpumpe weist ein Pumpengehäuse auf, in dem eine Kreiselräder tragende Welle drehbar angeordnet ist. Das Pumpengehäuse weist in seinem Fußteil (2) eine reversibel verschließbare Wartungsöffnung (60) auf, über die/eine innerhalb des Pumpengehäuses am Wellenende angeordnetes Lager und/oder Dichtung (20, 25) zugänglich und austauschbar ist.
IPC 8 full level
F04D 1/06 (2006.01); F04D 29/041 (2006.01); F04D 29/42 (2006.01); F04D 29/62 (2006.01)
CPC (source: CN EP US)
F04D 1/06 (2013.01 - EP US); F04D 13/02 (2013.01 - US); F04D 17/08 (2013.01 - US); F04D 25/02 (2013.01 - US); F04D 29/0416 (2013.01 - EP US); F04D 29/043 (2013.01 - US); F04D 29/046 (2013.01 - US); F04D 29/053 (2013.01 - US); F04D 29/056 (2013.01 - US); F04D 29/102 (2013.01 - US); F04D 29/106 (2013.01 - US); F04D 29/4206 (2013.01 - US); F04D 29/426 (2013.01 - EP US); F04D 29/624 (2013.01 - US); F04D 29/628 (2013.01 - CN EP US); F05D 2230/72 (2013.01 - EP US)
Citation (search report)
- [X] DE 69520343 T2 20011018 - EBARA CORP [JP]
- [XI] DE 2204892 A1 19720817 - BORG WARNER
- [X] DE 69629606 T2 20040617 - EBARA CORP [JP]
- [X] US 4722662 A 19880202 - MORGAN MICHAEL L [US]
- [A] DE 60026446 T2 20061109 - TM P S P A TERMOMECCANICA POMP [IT]
- [A] US 3088416 A 19630507 - DANIS ROBERT A
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3171033 A1 20170524; CN 106837883 A 20170613; CN 106837883 B 20211022; US 11378097 B2 20220705; US 2017146029 A1 20170525
DOCDB simple family (application)
EP 15195415 A 20151119; CN 201611042216 A 20161121; US 201615355800 A 20161118