EP 4295048 A1 20231227 - CONTROL OF LIQUID RING PUMP
Title (en)
CONTROL OF LIQUID RING PUMP
Title (de)
STEUERUNG EINER FLÜSSIGKEITSRINGPUMPE
Title (fr)
COMMANDE DE POMPE À ANNEAU LIQUIDE
Publication
Application
Priority
- CN 2021077155 W 20210222
- IB 2022051366 W 20220216
Abstract (en)
[origin: WO2022175828A1] A control system comprising: a liquid ring pump (10); a motor (12) configured to drive the liquid ring pump (10); and a controller (20) configured to: determine an electrical current within the motor (12); determine a speed of the motor (12); calculate a value of a function (F), the function (F) being a function of the determined electrical current within the motor (12) and the determined speed of the motor (12); and output one or more control signals based on the calculated value of the function (F).
IPC 8 full level
F04C 19/00 (2006.01); F04C 28/28 (2006.01)
CPC (source: EP)
F04C 19/00 (2013.01); F04C 28/28 (2013.01); F04C 2270/0525 (2013.01); F04C 2270/07 (2013.01); F04C 2270/782 (2013.01); F04C 2270/784 (2013.01); F04C 2270/80 (2013.01)
Citation (search report)
See references of WO 2022175828A1
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
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DOCDB simple family (application)
IB 2022051366 W 20220216; EP 22706412 A 20220216