Global Patent Index - EP 2019923 A1

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

EP 2019923 A1 20090204 (EN)

Application

EP 07719827 A 20070523

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

A62C 39/00 (2006.01); A62C 99/00 (2010.01); E03B 5/00 (2006.01); F04B 23/02 (2006.01); F04B 49/06 (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