An intelligent post-treatment and regeneration control method for an engineering machinery engine, comprising an automatically regenerated auxiliary load loading control method and a manually regenerated auxiliary load loading control method; the automatic...

In an exhaust gas purifying system wherein an NOx occlusion reduction type catalyst (30) including a catalytic metal and an NOx occluding substance is installed in an exhaust passage (3) of an engine (10), a restore processing against the sulfur poisoning ...