FILTER REGENERATION DEVICE, FILTER CLOGGING DETECTION DEVICE, EXHAUST GAS TREATMENT DEVICE AND FILTER CLOGGING DETERMINATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a filter regeneration device having a simple structure, and to provide a filter clogging detection device, an exhaust gas treatment device and a filter clogging determination method.SOLUTION: A filter regeneration device includes: a microwave radiation part to radiate a microwave, disposed inside a cylindrical part of a metal casing having the cylindrical part and a projection part projecting outside of the cylindrical part, disposed inside the projection part while being oriented toward a ceramic filter for cleaning an exhaust gas from an internal combustion engine; and a microwave generating part for generating a microwave to be radiated to the filter from the microwave radiation part.SELECTED DRAWING: Figure 3