Horst Kleinknecht

PROCEDURE FOR OPERATING A REDUCING AGENT METERING VALVE OF A SCR-EXHAUST GAS PURIFYING SYSTEM

Method for monitoring function of selective catalytic reaction-catalyst system of internal combustion engine, involves monitoring building of negative pressure in selective catalytic reaction-catalyst system

Reducing agent i.e. ammonia, dosing method for e.g. passenger car, involves verifying whether electric energy supplied into magnetic coil in partial section with electric current is adjusted based on result of verification

METHOD FOR OPERATING A REAGENT METERING VALVE AND APPARATUS FOR CARRYING OUT THE METHOD

Vorrichtung und Verfahren zur Steuerung eines elektromagnetischen Ventils

Method for determining temperature of magnetic coil of lifting piston pump in motor car, involves determining temperature rise of coil with respect to reference temperature of resistance and electrical resistance at reference temperature

Vorrichtung zur Steuerung eines elektromagnetischen Ventils

Method for monitoring armature movement of piston magnet pump, particularly piston membrane pump in conveying module of selective catalytic reduction-catalyst system, involves measuring pump current waveform over time

Procedure for checking the functionality of an electric heating device

Device and method for controlling an electromagnetic valve