Method and apparatus for temperature regulation of an exhaust gas treatment apparatus

摘要

The method involves feeding cooler or hotter exhaust gases to an exhaust gas treatment device depending on a control signal. The actual temperature of the exhaust gas treatment device is compared with a desired temperature in a two-point regulator which produces an exhaust gas cooling or heating signal, which is modified and fed to a change device so that it is modified in a cooling device for an output signal indicating gas heating for increasing energy input and in a heating device for an output signal indicating gas cooling for decreasing energy input. An Independent claim is also included for an arrangement for implementing the method.