JPH0521615Y2 - - Google Patents
Info
- Publication number
- JPH0521615Y2 JPH0521615Y2 JP7583889U JP7583889U JPH0521615Y2 JP H0521615 Y2 JPH0521615 Y2 JP H0521615Y2 JP 7583889 U JP7583889 U JP 7583889U JP 7583889 U JP7583889 U JP 7583889U JP H0521615 Y2 JPH0521615 Y2 JP H0521615Y2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- flow rate
- nox
- engine
- calculation unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 210
- 239000007789 gas Substances 0.000 claims description 81
- 238000012937 correction Methods 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 46
- 230000007423 decrease Effects 0.000 description 25
- 229910021529 ammonia Inorganic materials 0.000 description 23
- 239000000446 fuel Substances 0.000 description 18
- 230000004905 short-term response Effects 0.000 description 14
- 230000032683 aging Effects 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000003584 silencer Effects 0.000 description 5
- 239000004071 soot Substances 0.000 description 5
- 230000001934 delay Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002431 foraging effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7583889U JPH0521615Y2 (zh) | 1989-06-28 | 1989-06-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7583889U JPH0521615Y2 (zh) | 1989-06-28 | 1989-06-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0317118U JPH0317118U (zh) | 1991-02-20 |
JPH0521615Y2 true JPH0521615Y2 (zh) | 1993-06-03 |
Family
ID=31616770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7583889U Expired - Lifetime JPH0521615Y2 (zh) | 1989-06-28 | 1989-06-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0521615Y2 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4615972B2 (ja) * | 2004-11-29 | 2011-01-19 | 株式会社オーディオテクニカ | コンデンサマイクロホンユニット |
JP2006274845A (ja) * | 2005-03-28 | 2006-10-12 | Mitsubishi Fuso Truck & Bus Corp | 内燃機関のNOx排出量算出装置 |
JP4745125B2 (ja) * | 2006-05-22 | 2011-08-10 | 株式会社オーディオテクニカ | コンデンサマイクロホンユニット |
JP5536562B2 (ja) * | 2010-06-28 | 2014-07-02 | 本田技研工業株式会社 | プラントの制御装置 |
WO2014192846A1 (ja) * | 2013-05-30 | 2014-12-04 | トヨタ自動車株式会社 | 排気浄化装置の異常診断装置 |
-
1989
- 1989-06-28 JP JP7583889U patent/JPH0521615Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0317118U (zh) | 1991-02-20 |
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