EP 2019923 A1 20090204 - METHOD AND APPARATUS FOR CONTROLLING A RELAY PUMPING SETUP
Title (en)
METHOD AND APPARATUS FOR CONTROLLING A RELAY PUMPING SETUP
Title (de)
VERFAHREN UND VORRICHTUNG ZUR STEUERUNG EINES RELAISPUMPAUFBAUS
Title (fr)
PROCÉDÉ ET APPAREIL DESTINÉ À CONTRÔLER LA MISE EN OEUVRE D'UNE ALIMENTATION EN RELAIS
Publication
Application
Priority
- CA 2007000905 W 20070523
- US 80290406 P 20060524
Abstract (en)
[origin: WO2007134454A1] A method and apparatus are disclosed for controlling a relay pumping setup comprising an upstream pumping unit for pumping a liquid into a relay reservoir and a downstream pumping unit for pumping from said relay reservoir to a given location, the method comprising receiving a relay reservoir liquid level indication indicative of a liquid level in the relay reservoir and providing a control signal to at least one of the upstream pumping unit and the downstream pumping unit depending on the received relay reservoir liquid level indication.
IPC 8 full level
F04B 49/06 (2006.01); A62C 99/00 (2010.01); E03B 5/00 (2006.01); F04B 23/02 (2006.01); F04D 13/16 (2006.01); F04D 15/00 (2006.01)
CPC (source: EP US)
A62C 99/00 (2013.01 - EP US); G05D 9/12 (2013.01 - EP US)
Citation (search report)
See references of WO 2007134454A1
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)
WO 2007134454 A1 20071129; CA 2652993 A1 20071129; EP 2019923 A1 20090204; US 2007274839 A1 20071129
DOCDB simple family (application)
CA 2007000905 W 20070523; CA 2652993 A 20070523; EP 07719827 A 20070523; US 80555707 A 20070523