An internal combustion engine is provided, which includes at least one combustion chamber, and a turbocharger with an exhaust gas turbine and an exhaust gas after-treatment device. The exhaust gas after-treatment device has a first catalytic converter arranged aerodynamically between the at least one combustion chamber and the exhaust gas turbine. A second catalytic converter is arranged aerodynamically between the first catalytic converter and the exhaust gas turbine, and at least one partial oxidation chamber is arranged aerodynamically between the first catalytic converter and the second catalytic converter. Also provided is a method for reducing exhaust gas emissions of an internal combustion engine.

An internal combustion engine, wherein a chemical thermal storage device is provided with a first heater including a first element generating heat when chemically adsorbing a reaction medium supplied from a storage part through a first connection pipe and desorbing the reaction medium if heated by the heat of exhaust in a state chemically adsorbing the reaction medium and a second heater including a second element generating heat when chemically adsorbing a reaction medium supplied from a storage part through a second connection pipe and desorbing the reaction medium if heated by the heat of exhaust in a state chemically adsorbing the reaction medium and wherein the control device controls the opening degrees of the first valve and the second valve so that the reaction medium supplied to the second heater is preferentially recovered at the storage part.

The invention relates to a system component of an exhaust system for a combustion engine, more preferably of a motor vehicle, with at least one component portion having a closed hollow space structure (2), wherein walls of the closed hollow space structure (2) enclose a reaction chamber (5), in which at least one stationary system component (6) of a reactive heating system is arranged. By using a reactive heating system a rapid heating-up of at least one system component of the exhaust system is advantageously possible.

An exhaust system for a compression ignition engine comprising: a water adsorbent material; and a catalyst composition for treating an exhaust gas pollutant produced by the compression ignition engine; wherein the water adsorbent material is: (i) arranged to contact exhaust gas from the compression ignition engine before the catalyst composition; and (ii) in thermal communication with the catalyst composition.

A chemical heat storage device includes a reaction vessel accommodating a heat storage material, a heat exchange flow path provided so that a heat-exchange fluid flows along an outer surface of the reaction vessel, and the chemical heat storage device being configured in such a manner that the reaction vessel is rotated and the heat storage material is agitated, by a flow force of the heat-exchange fluid.

An internal combustion engine is provided, which includes at least one combustion chamber, and a turbocharger with an exhaust gas turbine and an exhaust gas after-treatment device. The exhaust gas after-treatment device has a first catalytic converter arranged aerodynamically between the at least one combustion chamber and the exhaust gas turbine. A second catalytic converter is arranged aerodynamically between the first catalytic converter and the exhaust gas turbine, and at least one partial oxidation chamber is arranged aerodynamically between the first catalytic converter and the second catalytic converter. Also provided is a method for reducing exhaust gas emissions of an internal combustion engine.

A method of exhaust gas aftertreatment of an exhaust gas of an internal combustion engine includes pre-treating the exhaust gas pre-treated by using a thermoreactor to catalytically oxidize the exhaust gas. Preferably, the exhaust gas is catalytically oxidized in the thermoreactor.

Embodiments relate to an exhaust gas after-treatment device with an exhaust line having an inlet for discharging the exhaust gas and a thermal reactor, which is arranged in the exhaust line and has a first, thermal reaction zone for the exhaust gas flow, where a mixing device is provided for admixing a reducing agent to the exhaust gas flow in the exhaust line, which is arranged between the inlet and the thermal reactor and where the thermal reactor has at least one second reaction zone for a catalytic reaction in the exhaust gas flow with the involvement of the reducing agent.

An internal combustion engine, wherein a chemical thermal storage device is provided with a first heater including a first element generating heat when chemically adsorbing a reaction medium supplied from a storage part through a first connection pipe and desorbing the reaction medium if heated by the heat of exhaust in a state chemically adsorbing the reaction medium and a second heater including a second element generating heat when chemically adsorbing a reaction medium supplied from a storage part through a second connection pipe and desorbing the reaction medium if heated by the heat of exhaust in a state chemically adsorbing the reaction medium and wherein the control device controls the opening degrees of the first valve and the second valve so that the reaction medium supplied to the second heater is preferentially recovered at the storage part.

An aftertreatment system includes: a first exhaust gas path comprising a heater; a second exhaust gas path comprising a first decomposition chamber configured to receive reductant and a first selective catalytic reduction catalyst downstream of the first decomposition chamber; a combined exhaust gas path downstream of the first exhaust gas path and the second exhaust gas path, the combined exhaust gas path configured to receive exhaust gas from both the first exhaust gas path and the second exhaust gas path; a selector valve configured to divert the exhaust gas between the first exhaust gas path and the second exhaust gas path based on a temperature of the exhaust gas; and a controller programmed to control the selector valve.