EP 2092277 A1 20090826 - APPARATUS FOR MEASURING THE VOLUMETRIC OR MASS FLOW RATE OF A MEDIUM IN A PIPELINE
Title (en)
APPARATUS FOR MEASURING THE VOLUMETRIC OR MASS FLOW RATE OF A MEDIUM IN A PIPELINE
Title (de)
VORRICHTUNG ZUM MESSEN DES VOLUMEN- ODER MASSESTROMS EINES MEDIUMS IN EINER ROHRLEITUNG
Title (fr)
DISPOSITIF DE MESURE DU DÉBIT VOLUMIQUE OU DU DÉBIT MASSIQUE D'UN MILIEU DANS UN CONDUIT
Publication
Application
Priority
- EP 2007062397 W 20071115
- DE 102006054635 A 20061117
Abstract (en)
[origin: WO2008059020A1] The invention relates to an apparatus for measuring the volumetric or mass flow rate of a medium (11) in a pipeline, said apparatus having a measuring tube (2) through which the medium (11) flows in the direction of the longitudinal axis (3) of the measuring tube (2), having a magnetic system (6, 7) which is configured in such a manner that it generates a magnetic field (B) which permeates the measuring tube (2) and runs essentially transverse to the longitudinal axis (3) of the measuring tube (2), having at least one measuring electrode (4, 5) which couples to the medium (11) and is arranged in a hole (27) in the wall of the measuring tube (2) in a region that is essentially perpendicular to the magnetic field (B), wherein the measuring electrode (4; 5) has an elongate electrode shaft (18) with a first widened end region (19) which couples to the medium and is dimensioned in such a manner that its diameter (D) is greater than the diameter (d) of the hole (27) in the wall of the measuring tube (2), in which the measuring electrode (4; 5) is placed, and having a control/evaluation unit (8) which uses the measurement voltage (U) induced in the at least one measuring electrode (4; 5) to provide information relating to the volumetric or mass flow rate of the medium (11) in the measuring tube (2). At least one radial depression (21) or a radial elevation is arranged in the opposite second end region of the electrode shaft (18) of the measuring electrode (4; 5). Furthermore, provision is made of a clamping or latching element (22) which is configured in such a manner that, in engagement with the at least one radial depression (21) or elevation, it fixes the measuring electrode (4; 5) in the hole (27) in the measuring tube (2) in the axial direction.
IPC 8 full level
G01F 1/58 (2006.01)
CPC (source: EP US)
G01F 1/584 (2013.01 - EP US)
Citation (search report)
See references of WO 2008059020A1
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
DOCDB simple family (publication)
DE 102006054635 A1 20080521; CN 101542241 A 20090923; CN 101542241 B 20110803; EP 2092277 A1 20090826; US 2010089171 A1 20100415; US 8051722 B2 20111108; WO 2008059020 A1 20080522
DOCDB simple family (application)
DE 102006054635 A 20061117; CN 200780042663 A 20071115; EP 07822637 A 20071115; EP 2007062397 W 20071115; US 31257707 A 20071115