Christoph Waletzek

PUMPING DEVICE FOR SUPPLYING AN EXHAUST GAS AFTERTREATMENT SYSTEM OF AN INTERNAL COMBUSTION ENGINE WITH A REDUCTANT, AND METHOD

Fluid delivery device, particularly for conveying exhaust gas treatment media, e.g. urea-water solution, for internal combustion engine of system of motor vehicle, has movable working wall such as membrane

Double check valve for e.g. preventing back-flow of reduction agent from storage tank of exhaust gas after treatment system of internal combustion engine of motor car, has disk-like elastic membrane provided with two slots

Arbeitswandelement einer fluidfördereinrichtung

membrana para transporte de meios

Magnetic actuator for a conveying unit

DIAPHRAGM FOR CONVEYING MEDIA

Delivery module for operating supplies for the treatment of exhaust gas

Conveying means for supplying a Abgasnachbehandlungssytems an internal combustion engine with a reducing agent as well as methods

Diaphragm pump for use in fluid conveyor system for conveying and returning aqueous urea solutions to/from catalytic converter of motor vehicle, has bodies pushed toward seats, respectively for conveying fluid in returning direction