| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a DPF regenerator capable of reducing a soot break-through, and capable of reducing worsening in fuel consumption and dilution of oil accompanying DPF regeneration. <P>SOLUTION: This DPF regenerator includes a DPF 4 installed in an exhaust gas passage 3 from an internal combustion engine 2, and for collecting a PM, a post-injection control permitting means 5 for permitting post-injection control, to remove the PM collected in the DPF 4, a PM sensor 6 for detecting a concentration of the PM in a downstream of the DPF 4, and a post-injection control prohibiting means 7 for prohibiting the post-injection control, when the concentration of the PM detected by the PM sensor 6 gets to a prescribed value or more, after permitting the post-injection control. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
