Robert Boschgmbh

Rainer Haeberer

Matthias Horn

Markus Rueckle

Andreas Rettich

Helmut Clauss

Wolfgang Fleiner

Ralf Maier

Stefan Haug

Sandro Soccol

Erwin Krimmer

Holger Rapp

Tilman Miehle

Andreas Wengert

Hanspeter Mayer

Uwe Kuhn

Siegfried Ruthardt

Christian Walz

Christoffer Uhr

Stefan Stein

Bruno Hezel

Gerd Loesch

Volker Reusing

Wilhelm Christ

Marc Chaineux

Michael Gerlach

Hartmut Lueders

Wolf-Ingo Ratzel

Joerg Lange

Markus Ohnmacht

Thomas Lettner

Joachim Bruns

Markus Ulrich

Tobias Reiser

Ulrich Meingast

Michael Krause

Burghard Kienzle

Siegbert Griesinger

Leopold Bernegger

Christoph Waletzek

Martin Boehm

Vaclav Straus

Ulf-Peter Schmeling

Rainer Lorenz

Dirk Welting

Roland Herwig

Vlatko Babic

Guenther Krenz

Robert Hajnovic

Dimitrios Dordanas

Christoph Ulmschneider

Wolfgang Kuehne

Hermann Koch-Grober

Felix Landhaeusser

Felix Laudaeusser

Christoph Wallis

Frieder Buerkle

Georgios Lolas

Thorsten Stoeberl

Julian Lillich

Helko Klinger

Elvis Spahic

Manfred Fritz

Jan Semet

James Patchett

Andreas Kerst

A container assembly for a motor vehicle comprises a first container () for a fuel for the motor vehicle and a second container () for a liquid auxiliary agent, in particular for the reducing agent solution of an SCR catalyst. The second container () is integrated into the first container (). A bottom-mounted removal device having at least one pump () for removing the auxiliary agent is provided in the second container ().

Container assembly for a motor vehicle

The invention relates to an injection device (), in particular for an exhaust aftertreatment system of an internal combustion engine, comprising a pressure-controlled, outward-opening fuel injection valve () that includes an axially movable valve piston () which penetrates a flow opening () in a valve body () and one end of which has a valve tip (), further comprising a valve seat () associated with the flow opening (), and at least one spring element () which urges the valve piston () comprising the valve tip () against the valve seat () so that the flow opening () is closed; the valve tip () is axially movable inside a flow chamber () formed by the valve body () and by an injection orifice disk () that includes a plurality of injection ports ().

Injection device

The invention relates to a cooling element () for an injection valve (), in particular for injecting a liquid reduction agent into an exhaust train of a combustion engine, having a hollow region for receiving a section of the injection valve () and a cooling plate () which is circumferential around the hollow region and a face plate () arranged on a face of the injection valve () which has at least one injection opening (), which enables the spraying of liquid out of the injection valve () through the face plate (). The face plate () has at least one bowl-shaped region () formed having a front wall and at least one side wall which is designed to receive an injection-side section () of the injection valve (), and the cooling plate () and the face plate () are connected to each other in a liquid-tight manner such that, in a state in which a section of an injection valve () is properly arranged in the hollow region, a cooling volume () circulating around the section of the injection valve () is delimited by the face plate (), the cooling plate () and the injection valve ().

Cooling element for injection valve

The invention relates to a storage tank () of a metering system () for introducing a reducing agent () in an exhaust gas tract of an internal combustion engine. The storage tank () comprises at least one opening () for mounting components () and openings () for filling and emptying as well as venting (). All openings () are arranged above a region of the storage tank () flooded by the reducing agent ().

Storage tank

A device for transporting a fluid medium to a metering module for metering a liquid reducing agent into an exhaust gas system in order to reduce pollutants in an exhaust gas. The device has at least one heated transport line and at least one system component with a heated internal region. The transport line has a line connecting piece, and the system component has a module connecting piece that is directly or indirectly coupled to the line connecting piece. The device includes at least one heat conducting sleeve that can be inserted in the line connecting piece and the module connecting piece. The heat conducting sleeve is thermally coupled to the heated transport line and/or the heated internal region in order to transmit heat.

Device for supplying fluid media at low temperatures

The invention relates to a device for metering a liquid reducing agent into an exhaust gas system. The device can be used, in particular, for reducing nitrogen oxides in an exhaust gas. The device includes at least one working container for holding a working quantity of the liquid reducing agent. In addition, the device is provided with at least one metering module, at least one delivery line, and at least one delivery pump. The device also has at least one storage container for holding a storage quantity of the liquid reducing age, preferably a storage quantity that exceeds the working quantity. The storage container is connected to the working container via at least one storage line. The storage line has at least one storage pump disposed therein for circulating liquid reducing agent from the storage container to the working container.

Device for metering a liquid reducing agent

Diaphragm pump for delivering a fluid, in particular an exhaust-gas aftertreatment medium, such as an aqueous urea solution for example, comprising a working chamber () which is delimited by a working diaphragm () and which can be connected via a first valve () to an inlet () and via a second valve () to an outlet (), and an electromagnet () which comprises a coil assembly () and an armature () which interacts with the coil assembly () and is operatively connected to the working diaphragm (). According to the invention, the valves () are configured in a valve plate () which is arranged between the coil assembly () and the armature (). Exhaust-gas aftertreatment system having a diaphragm pump of this type.

Diaphragm pump, and exhaust-gas aftertreatment system having a diaphragm pump

The invention relates to a reservoir tank for a reducing agent (), in particular an aqueous urea solution for the after-treatment of exhaust gas from a combustion engine, comprising an outer container () and a pot-shaped inner container () which limits a partial volume () of the volume () of the outer container (), a heating element () which is set in the inner container () and an extraction device () for extracting the reducing agent (). According to the invention, the pot-shaped inner container () is surrounded in the floor region by an insulated collar () comprising a first limb () led to the outer circumferential surface () of the inner container () and a second limb () contacting the floor surface () of the outer container (), such that the insulated collar () limits an additional partial volume () of the volume () of the outer container ().

Reservoir tank for a reducing agent

The invention relates to a valve arrangement () for metering a fluid medium into an exhaust line (), comprising a valve seat () which acts together with a closing body () and in which a valve passage () is implemented, and a perforated disc () that is disposed downstream of the valve seat, closes off the valve passage, and has at least one axial hole () in the area of the valve passage through which the fluid medium can be injected into the exhaust line (). The valve arrangement further comprises a connecting flange () for connecting the valve arrangement () to the exhaust line () in a fluid-tight manner, wherein the perforated disc () extends from the valve passage to the connecting flange and is implemented such that said perforated disc seals the connecting flange against the exhaust line in a fluid-tight manner in the installed state. A separate seal is thus no longer required, because the perforated disc performs the sealing function.

Valve arrangement for metering a fluid medium in an exhaust line of an internal combustion engine

The invention relates to a reservoir tank, particularly for receiving a reducing agent for metering into the exhaust gas tract of an internal combustion engine. A spill basin is accommodated in the hollow space of the reservoir tank. At the base region, the spill basin is radially and axially guided into a recess of the reservoir tank base.

Slosh pot

The invention relates to a tank for storing a liquid active ingredient for operating an aggregate of a motor vehicle, particularly a unit for post treatment of exhaust gases of the motor vehicle, comprising a container and at least one functional element () extending into the container, wherein the functional element is provided with at least one agent () for abrasion protection.

Tank for storing a liquid active ingredient

A device () for reducing pollutants, in particular nitrogen oxides, in an exhaust gas flow of an internal combustion engine, includes a reducing agent (), in particular a urea-water solution, which is stored in a storage tank (), a metering module, in particular a nozzle (), for injecting the reducing agent () into the exhaust gas flow, and a pump () for delivering the reducing agent () from a suction point () in the storage tank () to the metering module via lines (). A pump () lies beneath a reducing agent level () in the storage tank (), and a non-return valve is provided.

Device for reducing pollutants in the exhaust gas flow of an internal combustion engine

The invention relates to a dosing system () for introducing a reducing agent (), especially urea or an aqueous urea solution, into an exhaust gas system of an internal combustion engine. The dosing system () comprises a reservoir () for accommodating a stock in the reducing agent (), a delivery unit (), a level sensor () and a dosing module (). The reservoir () is a standard reservoir integrated into a vehicle-specific component (), especially a fuel tank ().

Reservoir for accommodating an aqueous solution

The invention relates to a sensor arrangement for determining a tank fill level of a liquid, especially a reducing agent for removing nitrogen from the exhaust gases of an internal combustion engine, which liquid is contained in a tank, at least two electrically conductive measuring electrodes being at least partially embedded in a carrier that is produced of an electrically non-conductive material. The sensor arrangement includes a temperature sensor, especially a resistor with negative temperature coefficient being used as a temperature sensor, which is integrated into the carrier.

Sensor arrangement for determining a tank fill level, and method for producing it

An SCR-injection unit includes an injector, a sleeve element for fixing the injector to a flange of an exhaust gas pipe, and a cooling body. According to the invention, the sleeve element has an elongated thin-walled connecting section, one axial end of which is indirectly connected to the flange of the exhaust gas pipe and the other axial end of which is indirectly connected to a supporting structure for the injector.

SCR-injection unit

Growing community of inventors

Bretten, Germany

Rainer Haeberer