EP 0618369 A1 19941005 - Barrel-type pump.
Title (en)
Barrel-type pump.
Title (de)
Topfgehäusepumpe.
Title (fr)
Pompe à "Barrel".
Publication
Application
Priority
DE 4310467 A 19930331
Abstract (en)
The invention relates to a barrel-type pump, arranged in which there are, in the vicinity of the last pump stage, for the purpose of increasing the efficiency, components which are designed as separate inserts in the form of a stator insert (13), a spiral insert (1) evolved radially and/or axially and a diffuser-like discharge port insert (2). <IMAGE>
Abstract (de)
Die Erfindung betrifft eine Topfgehäusepumpe, bei der im Bereich der letzten Pumpenstufe zwecks Wirkungsgradsteigerung als separate Einsätze ausgebildete Bauteile in Form eines Leitradeinsatzes (13), eines radial und/oder axial entwickelten Spiraleinsatzes (1) und eines diffusorförmigen Druckstutzeneinsatzes (2) angeordnet sind. <IMAGE>
IPC 1-7
IPC 8 full level
F04D 1/06 (2006.01); F04D 1/08 (2006.01); F04D 29/42 (2006.01); F04D 29/44 (2006.01); F04D 29/62 (2006.01)
CPC (source: EP US)
F04D 1/063 (2013.01 - EP US); F04D 29/445 (2013.01 - EP US)
Citation (search report)
- [Y] GB 1081164 A 19670831 - ULRICH MAX WILLI BARSKE, et al
- [Y] US 2708883 A 19550524 - CURT KELLER, et al
- [A] US 5180280 A 19930119 - HONDA TOSHIHARU [JP]
- [A] US 2651998 A 19530915 - BERGH CHARLES J
- [A] FR 1251632 A 19610120 - G & J WEIR LTD
- [A] US 3091182 A 19630528 - ANDERSON VICTOR F, et al
Designated contracting state (EPC)
DE ES FR GB IT NL
DOCDB simple family (publication)
EP 0618369 A1 19941005; EP 0618369 B1 19970521; DE 4310467 A1 19941006; DE 59402797 D1 19970626; JP 2794160 B2 19980903; JP H0754798 A 19950228; US 5522701 A 19960604
DOCDB simple family (application)
EP 94103537 A 19940309; DE 4310467 A 19930331; DE 59402797 T 19940309; JP 8550094 A 19940331; US 22009994 A 19940330