Title:
POST-PROCESSING SYSTEM APPARATUS AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2013/111989
Kind Code:
A1
Abstract:
A post-processing system apparatus and a control method according to the present invention comprise: an exhaust pipe having one end connected to an engine to introduce exhaust gas and the other end opened to discharged the exhaust gas; a DOC for primarily reducing the smoke of the exhaust gas introduced to the exhaust pipe; a DPF for secondarily reducing the smoke of the exhaust gas passed through the DOC; an SCR for reducing NOx (nitrogen oxide) of the exhaust gas passed through the DPF; an AOC for oxidizing the ammonia of the exhaust gas passed through the SCR and reducing NOx (nitrogen oxide) of the exhaust gas passed through the SCR; a first bypass pipe branched from the exhaust pipe between the engine and the DOC so as to bypass the whole or a portion of the exhaust gas to the front end of the SCR; and a first switch arranged at a point branched from the exhaust pipe to the first bypass pipe so as to control the amount of the exhaust gas being bypassed to the first bypass pipe.
More Like This:
Inventors:
LIM JI HOON (KR)
KO MIN SEOK (KR)
OH BYOUNG GUL (KR)
PARK KYUNG MIN (KR)
KIM SANG HOON (KR)
KO MIN SEOK (KR)
OH BYOUNG GUL (KR)
PARK KYUNG MIN (KR)
KIM SANG HOON (KR)
Application Number:
PCT/KR2013/000607
Publication Date:
August 01, 2013
Filing Date:
January 25, 2013
Export Citation:
Assignee:
DOOSAN INFRACORE CO LTD (KR)
International Classes:
F01N3/28; B01D53/94
Domestic Patent References:
| WO2010114876A2 | 2010-10-07 |
Foreign References:
| US7810316B2 | 2010-10-12 | |||
| KR100851474B1 | 2008-08-08 | |||
| KR100993359B1 | 2010-11-09 | |||
| KR20090063719A | 2009-06-18 |
Other References:
See also references of EP 2808512A4
None
None
Attorney, Agent or Firm:
HANBEOT PATENT LAW FIRM (KR)
특허법인 한벗 (KR)
특허법인 한벗 (KR)
Download PDF:
Claims: