EP 2193362 A2 20100609 - CARBON BLACK CHARGE SENSOR
Title (en)
CARBON BLACK CHARGE SENSOR
Title (de)
RUßLADUNGSSENSOR
Title (fr)
CAPTEUR DE CHARGE EN SUIE
Publication
Application
Priority
- EP 2008063191 W 20081001
- DE 202007013735 U 20071001
Abstract (en)
[origin: WO2009047195A2] The invention relates to a sensor device for determining electrically conducting and/or electrically charged particles contained in a gas flow, particularly carbon black particles in the exhaust gas flow of a diesel motor, comprising at least two electrodes to be disposed in the gas flow, at least one of the electrodes being completely embedded in a non-conductive material in the region to be disposed in the gas flow. A further aspect of the invention relates to a sensor device for determining a mass flow of a medium, comprising a heating wire that is disposed such that said heating wire can be placed in the mass flow, a regulating unit or controller configured to heat the heating wire in a first measuring phase to a certain temperature above the temperature of the mass flow and to determine the mass flow via the measurement of a voltage that is required for maintaining said temperature of the heating wire, characterized by a measuring device for determining the temperature of the medium in a second measuring phase via a measurement of the resistance of a heating wire, particularly the heating wire, a controller that is configured to control the heating wire in the first measuring phase to a temperature that is a function of the temperature of the medium determined in the second measuring phase, and a correcting device configured to correct the mass flow determined from the voltage measured in the first measuring phase by a temperature-dependent value determined from the resistance of the heating wire measured in the second measuring phase.
IPC 8 full level
G01N 27/22 (2006.01); G01N 15/06 (2006.01)
CPC (source: EP)
G01N 15/0656 (2013.01)
Citation (search report)
See references of WO 2009047195A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
WO 2009047195 A2 20090416; WO 2009047195 A3 20090618; EP 2193362 A2 20100609; EP 2500719 A1 20120919
DOCDB simple family (application)
EP 2008063191 W 20081001; EP 08804980 A 20081001; EP 10160088 A 20081001