An exhaust gas cleaning component, having a housing with an inflow port and an outflow port, a first honeycomb structure in the housing with a casing, the casing having an outer surface over which exhaust gas can flow, and also having an applicator device by which an exhaust gas cleaning additive can be applied to the outer surface of the casing.

Systems and methods are described for electrical power control of a hybrid vehicle. A change in an electrical load of an ancillary component of the vehicle is determined. In response to determining the change in the electrical load of the ancillary component, an electrical load of an electrically heated catalyst of the vehicle is adjusted.

A method for controlling a reductant generation device 100, the reductant generation device 100 including: a sprayer 10 capable of spraying a reductant precursor 50; and a heater 20 comprising a ceramic substrate 21, the heater 20 being arranged on a downstream side of the sprayer 10 and capable of heating the reductant precursor 50 to generate a reductant 60. The method includes: a permeation step of spraying the reductant precursor 50 from the sprayer 10 and permeating the ceramic substrate 21 with the reductant precursor 50 when the heater is not heated; and after the permeation step, a heating step A of heating the reductant precursor 50 by the heater 20 and generating the reductant 60 while spraying the reductant precursor 50 from the sprayer 10.

An exhaust aftertreatment unit for cleaning exhaust gases includes an emission reducing module being a diesel particulate filter, DPF, and/or a diesel oxidation catalyst, DOC, a selective catalyst reduction, SCR, catalyst, an electrical heating element arranged upstream of the emission reducing module, a casing housing at least the emission reducing module and the electrical heating element, and a service lid removably arranged to cover a service opening of the casing through which the emission reducing module may be accessed. The electrical heating element is removably arranged relative the casing and is arranged accessible upon removal of the service lid and the emission reducing module.

A hybrid vehicle includes a canister that adsorbs evaporative fuel generated in the fuel tank for an internal combustion engine. The hybrid vehicle can drive a drive wheel even when the internal combustion engine is stopped. When the internal combustion engine of the hybrid vehicle is stopped and a prescribed set of conditions is satisfied, the internal combustion engine is rotated by the generator. When the internal combustion engine of the hybrid vehicle is rotated by the generator, the evaporative fuel adsorbed in the canister is supplied to the upstream side of an upstream side exhaust catalytic converter device. In the hybrid vehicle, the introduced evaporative fuel as reducing agent is adsorbed in the upstream side exhaust catalytic converter device and a downstream side exhaust catalytic converter device.

A catalytic converter for aftertreatment of combustion gases from an internal combustion engine, having at least one catalyst and at least one electrically heatable heating disk. The catalyst and the heating disk are each formed by a honeycomb having a multitude of flow channels through which flow is possible in a main flow direction. The mechanical connection between the catalyst and the heating disk is formed by at least one support pin (having an inner core. The support pin has a thickening in each of the two end regions and, the core is formed by a ceramic material and the thickening is formed by a ceramic-metal mixture.

An electric heating device for an exhaust gas catalyst, the electric heating device including a sleeve and a heating cellular structure which is heated by a flow of electric current and which is contained in the sleeve. The electric heating device being designed to be positioned in a segment of an exhaust gas pipe upstream of a catalyst, so as to completely occupy a cross section of the segment such that exhaust gases flowing in the pipe pass through the cellular matrix before reaching the catalyst. The heating cellular structure is designed to dissipate an inhomogeneous thermal power in a section perpendicular to the direction of flow of the exhaust gases, such that the temperature of the exhaust gases at the outlet of the heating cellular structure is homogeneous in a section perpendicular to the direction of flow of the exhaust gases.

A device for treating exhaust gases of an internal combustion engine includes: a heating disk arranged in a housing; and a main catalytic converter arranged downstream of the heating disk in the flow direction in the housing. The flow can pass through the heating disk and the main catalytic converter in the flow direction along a plurality of flow channels. The heating disk is formed from a metallic honeycomb body and the main catalytic converter is formed from a ceramic honeycomb body fixed in relation to the housing by a fixing structure. The heating disk is electrically contacted by an electrical feedthrough guided through the housing from the outside to the inside.

An electrically heating converter includes: a pillar shaped honeycomb structure made of conductive ceramics, including: an outer peripheral wall; and a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the cells penetrating from one end face to other end face to form a flow path; metal electrodes; a pressing member configured to press each of the metal electrodes against the pillar shaped honeycomb structure, so that the pillar shaped honeycomb structure is electrically connected to each of the metal electrodes; and an antioxidant material of (i) or (ii) below: (i) an antioxidant material provided between the pillar shaped honeycomb structure and each of the metal electrodes, or (ii) an antioxidant material provided from a surface of the pillar shaped honeycomb structure over an outer surface of each of the metal electrodes.

A honeycomb structure made of ceramics, wherein the honeycomb structure includes: a borosilicate; and silicon particles doped with at least one dopant, the dopant is a Group 13 element or a Group 15 element, the silicon particles have a dopant amount (A) of 1×10.sup.16 to 5×10.sup.20/cm.sup.3, and the honeycomb structure has a silicon particle content (B) of 30 to 80% by mass.