Patent application number | Description | Published |
20120042634 | METHOD FOR OPERATING AN EXHAUST GAS PURIFICATION DEVICE HAVING A HEATING APPARATUS AND MOTOR VEHICLE HAVING THE DEVICE - A method for operating a device for the purification of exhaust gas of an internal combustion engine which is operated with an excess of air includes heating at least one heating apparatus of the device above a predetermined first setpoint temperature. The at least one heating apparatus is at least partially in contact with the exhaust gas, can be activated by electrical energy and is formed at least partially with an oxidation coating. At least the temperature of the at least one heating apparatus or of the exhaust gas is subsequently monitored. An increase in the hydrocarbon fraction of the exhaust gas is initiated if at least the temperature of the heating apparatus or of the exhaust gas has reached a threshold temperature or a low-load phase of the internal combustion engine is present. A motor vehicle having the device is also provided. | 02-23-2012 |
20120097659 | HONEYCOMB BODY HEATABLE IN MULTIPLE STAGES, METHOD FOR HEATING A HONEYCOMB BODY AND MOTOR VEHICLE - An electrically heatable honeycomb body includes channels and at least one heating disk having at least one first and one second layer stack of electrically conductive material. The first and second layer stacks are interleaved with and electrically insulated from each other. The first layer stack forms a first current path for conducting an electrical current for a first heating circuit and the second layer stack forms a second current path for conducting an electrical current for a second heating circuit. The first heating circuit operates at a power of 300 W to 500 W and the second heating circuit operates at 500 W to 700 W. Exhaust gas of an internal combustion engine can be evenly heated by several independent heating circuits in a common heating disk even with different heating capacities using a simple construction. A method for heating a honeycomb body and a motor vehicle are provided. | 04-26-2012 |
20120298239 | VESSEL FOR A LIQUID, IN PARTICULAR A REDUCING AGENT, AND VEHICLE HAVING THE VESSEL - A container for a liquid has a container wall and at least one inner chamber for receiving the liquid. The container has at least one discharge line for discharging liquid located in the at least one inner chamber. The at least one discharge line at least reduces relative movements of regions of the container wall spaced apart from each other. | 11-29-2012 |
20130111860 | DEVICE FOR PARTICLE SEPARATION IN AN EXHAUST-GAS RECIRCULATION SYSTEM AND MOTOR VEHICLE HAVING THE DEVICE - A device for separating particles from an exhaust gas of an internal combustion engine includes at least a pot with a base having a multiplicity of openings, at least one nonwoven layer positioned on the base of the pot, and a cover. The at least one nonwoven layer is positioned between the base and the cover. A motor vehicle having the device is also provided. | 05-09-2013 |
20130118157 | EXHAUST GAS TREATMENT DEVICE AND MOTOR VEHICLE HAVING THE DEVICE - An exhaust gas treatment device includes an exhaust gas treatment component for conducting a flow in a flow direction from an inflow side to an outflow side. A metering device for metering reducing agent into the exhaust gas treatment device is disposed downstream of the outflow side in the flow direction. The metering device has a metering direction which runs at least partially counter to the flow direction. The outflow side of the exhaust-gas treatment component is spanned at least partially by a porous layer and there is a spacing between the metering device and the exhaust-gas treatment component selected in such a way that injected reducing agent reaches the porous layer. A motor vehicle having the device is also provided. | 05-16-2013 |
20130139505 | DEVICE FOR EXHAUST-GAS TREATMENT NEAR AN ENGINE AND MOTOR VEHICLE HAVING THE DEVICE - A device for exhaust-gas treatment near an engine includes an annular structure and a guide structure disposed in an exhaust line. An inner wall forms an inner flow passage and an outer flow passage in the annular structure. The inner wall and the guide structure form a gap in such a way that only a limited secondary flow of the exhaust gas is conducted through the inner flow passage. A motor vehicle having the device is also provided. | 06-06-2013 |
20130213019 | EXHAUST GAS TREATMENT UNIT FOR AN EXHAUST GAS RECIRCULATION LINE AND INTERNAL COMBUSTION ENGINE AND MOTOR VEHICLE HAVING AN EXHAUST-GAS TREATMENT UNIT - An exhaust gas treatment unit includes a substantially cylindrical exhaust gas treatment body having a main axis and, on at least one opening side of the exhaust gas treatment unit, at least one of the following connecting devices or connectors: an offset compression zone or a molded structure for form-locking engagement. An internal combustion engine includes at least one exhaust gas treatment unit and at least one exhaust gas conducting line. The at least one exhaust gas treatment unit is completely introduced in the at least one exhaust gas conducting line. A motor vehicle having at least one exhaust-gas treatment unit is also provided. | 08-22-2013 |
20150033712 | METHOD FOR DRAINING A DELIVERY UNIT FOR LIQUID ADDITIVE, DELIVERY UNIT AND MOTOR VEHICLE HAVING A DELIVERY UNIT - A method for draining a delivery unit for a liquid additive, in particular a urea-water solution, includes at least: a) producing an electrical connection by using a currentless switch which is constructed to produce an electrical connection when a temperature falls below a threshold temperature; and b) draining the delivery unit when, in step a), the electrical connection has been produced. The method can be used, in particular, in SCR systems for exhaust-gas aftertreatment for motor vehicles. A delivery unit and a motor vehicle having a delivery unit are also provided. | 02-05-2015 |
20150086455 | METHOD FOR OPERATING AN EXHAUST GAS SYSTEM, METHOD FOR OPERATING A MOTOR VEHICLE AND MOTOR VEHICLE - A method for operating an exhaust gas system of an internal combustion engine having at least one heater and a catalytic converter for converting hydrocarbons, includes operating the heater in such a way that it is adapted to the aging state of the catalytic converter. A method for operating a motor vehicle and a motor vehicle are also provided. | 03-26-2015 |