EP 1978261 B1 20171025 - Pump unit
Title (en)
Pump unit
Title (de)
Pumpenaggregat
Title (fr)
Groupe motopompe
Publication
Application
Priority
FR 0702531 A 20070406
Abstract (en)
[origin: EP1978261A1] The unit has a shaft (1) defining a vertical axis, and an aspirating base (5) fixed at bottom of an impeller (3), and including vertical annular inner and outer walls (7, 6) that define an aspirating hole (9) and a supply zone (10), respectively. The wall (6) has a free lower edge (12) with a part (11) that is provided at a level lower than that of a free lower edge (13) of the wall (7). The wall (6) has another part (15) whose free lower edge (14) is provided at a level higher than the edge (13). The part (15) is inclined at an angle ranging from 30 to 60 degrees, with respect to an axis. An independent claim is also included for a method of aspirating a float in a pit.
IPC 8 full level
F04D 29/42 (2006.01)
CPC (source: EP)
F04D 7/045 (2013.01); F04D 29/2288 (2013.01); F04D 29/4273 (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 MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1978261 A1 20081008; EP 1978261 B1 20171025; DK 1978261 T3 20180129; ES 2655244 T3 20180219; FR 2914704 A1 20081010; FR 2914704 B1 20090522; HU E035403 T2 20180502; PL 1978261 T3 20180530; PT 1978261 T 20180130; SI 1978261 T1 20180430
DOCDB simple family (application)
EP 08290249 A 20080314; DK 08290249 T 20080314; ES 08290249 T 20080314; FR 0702531 A 20070406; HU E08290249 A 20080314; PL 08290249 T 20080314; PT 08290249 T 20080314; SI 200831913 T 20080314