http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2000054824-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_dc45703f67bc72a6db582867886fd5d5 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F01N2570-16 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F01N13-009 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F01N3-0842 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F01N13-011 |
| classificationIPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F01N13-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F01N13-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F02D41-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F01N3-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F01N3-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F01N3-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F01N3-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F01N3-08 |
| filingDate | 1998-08-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2c86ead37a9a5a3da6f54200d571151f |
| publicationDate | 2000-02-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-2000054824-A |
| titleOfInvention | Exhaust gas purification device for internal combustion engine |
| abstract | (57) Abstract: the NO X storage to accurately estimate the the NO X storage amount of the reduction catalyst. SOLUTION: Exhaust gas purifying catalysts (SC) 5a, 5b having an O 2 storage function are arranged in exhaust passages 2a, 2b of an engine 1, and an NO X storage reduction catalyst 7 is arranged on a downstream combined exhaust passage 2. . The electronic control unit (ECU) 30 is N O X counter value of during the lean air-fuel ratio operation of the engine is increased by a predetermined amount every predetermined time, during the rich air-fuel ratio operation of the engine is reduced by a predetermined amount every predetermined time. The ECU when changing from lean to rich or lean engine operating air-fuel ratio from the rich, SCs 5a, exhaust gas air-fuel ratio of the NO X occluding and reducing catalyst inlet is maintained near the stoichiometric air-fuel ratio by the O 2 storage function of 5b During this period, the increase or decrease of the NO X counter is prohibited. Thus, the value of the NO X counter accurately corresponds to the NO X storage amount. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6766640-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9422851-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2006132392-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2008045470-A |
| priorityDate | 1998-08-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 33.