EP 3575581 B1 20210707 - METHOD FOR CONTROLLING A CONTROL VALVE
Title (en)
METHOD FOR CONTROLLING A CONTROL VALVE
Title (de)
VERFAHREN ZUR ANSTEUERUNG EINES REGELVENTILS
Title (fr)
PROCÉDÉ DE COMMANDE D'UNE SOUPAPE DE RÉGULATION
Publication
Application
Priority
DE 102018112731 A 20180528
Abstract (en)
[origin: US2019360435A1] A method for controlling a control valve, the control valve controlling a volume flow of a fluid along a line, the method including at least the following steps: (a) performing a closing operation of the control valve; (b) measuring a pressure profile upstream of the control valve; and (c) determining a density of the fluid.
IPC 8 full level
F02D 41/00 (2006.01)
CPC (source: CN EP US)
F02D 41/004 (2013.01 - CN EP US); F02D 41/0042 (2013.01 - EP US); F02D 41/0045 (2013.01 - CN US); F02D 41/04 (2013.01 - CN); F02M 25/0836 (2013.01 - US); F02M 25/089 (2013.01 - US); F02D 2200/0602 (2013.01 - EP US); F02D 2200/0606 (2013.01 - EP US)
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
DOCDB simple family (publication)
EP 3575581 A1 20191204; EP 3575581 B1 20210707; CN 110541768 A 20191206; CN 110541768 B 20220830; DE 102018112731 A1 20191128; US 11261829 B2 20220301; US 2019360435 A1 20191128
DOCDB simple family (application)
EP 19176067 A 20190523; CN 201910445689 A 20190527; DE 102018112731 A 20180528; US 201916423458 A 20190528