THREE WAY EXHAUST EMISSION CONTROL METHOD, CATALYTIC CONVERTER AND MANUFACTURE THEREOF
PURPOSE: To improve the purification factor, and to enlarge the A/F window by arranging a low-oxidation active zone upstream in the exhaust flow, and arranging a high-oxidation active zone downstream, and passing the exhaust in order between them. CONSTITUTION: The exhaust 19 is led into a low-oxida...
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| creator | KATAOKA MASAO SAIKI MOTOHISA OSHIMA YUJIRO YOKOTA KOJI |
| description | PURPOSE: To improve the purification factor, and to enlarge the A/F window by arranging a low-oxidation active zone upstream in the exhaust flow, and arranging a high-oxidation active zone downstream, and passing the exhaust in order between them. CONSTITUTION: The exhaust 19 is led into a low-oxidation active zone 11. In this low-oxidation active zone, NOX is mainly purified, and the low-oxidation active catalyst for restricting the oxidation reaction of CO, HC is carried. In the case where the exhaust 19 exists in the lean side due to the catalyst, NOX is purified. Next, after passing the low-oxidation active zone 11, the exhaust 19 is led into a high-oxidation active zone 12. Ordinary three dimensional catalyst is carried in the high-oxidation active zone 12. In the case where the exhaust 19 exists in the rich side, NOX, CO, HC, which can not be purified in the low-oxidation active zone 11, can be purified at a degree as same as the conventional technique. |
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CONSTITUTION: The exhaust 19 is led into a low-oxidation active zone 11. In this low-oxidation active zone, NOX is mainly purified, and the low-oxidation active catalyst for restricting the oxidation reaction of CO, HC is carried. In the case where the exhaust 19 exists in the lean side due to the catalyst, NOX is purified. Next, after passing the low-oxidation active zone 11, the exhaust 19 is led into a high-oxidation active zone 12. Ordinary three dimensional catalyst is carried in the high-oxidation active zone 12. In the case where the exhaust 19 exists in the rich side, NOX, CO, HC, which can not be purified in the low-oxidation active zone 11, can be purified at a degree as same as the conventional technique.</description><edition>6</edition><language>eng</language><subject>BLASTING ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ; ENGINE PLANTS IN GENERAL ; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES ; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HEATING ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; STEAM ENGINES ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; TRANSPORTING ; WEAPONS</subject><creationdate>1996</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960507&DB=EPODOC&CC=JP&NR=H08114116A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960507&DB=EPODOC&CC=JP&NR=H08114116A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KATAOKA MASAO</creatorcontrib><creatorcontrib>SAIKI MOTOHISA</creatorcontrib><creatorcontrib>OSHIMA YUJIRO</creatorcontrib><creatorcontrib>YOKOTA KOJI</creatorcontrib><title>THREE WAY EXHAUST EMISSION CONTROL METHOD, CATALYTIC CONVERTER AND MANUFACTURE THEREOF</title><description>PURPOSE: To improve the purification factor, and to enlarge the A/F window by arranging a low-oxidation active zone upstream in the exhaust flow, and arranging a high-oxidation active zone downstream, and passing the exhaust in order between them. 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CONSTITUTION: The exhaust 19 is led into a low-oxidation active zone 11. In this low-oxidation active zone, NOX is mainly purified, and the low-oxidation active catalyst for restricting the oxidation reaction of CO, HC is carried. In the case where the exhaust 19 exists in the lean side due to the catalyst, NOX is purified. Next, after passing the low-oxidation active zone 11, the exhaust 19 is led into a high-oxidation active zone 12. Ordinary three dimensional catalyst is carried in the high-oxidation active zone 12. In the case where the exhaust 19 exists in the rich side, NOX, CO, HC, which can not be purified in the low-oxidation active zone 11, can be purified at a degree as same as the conventional technique.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WEAPONS |
| title | THREE WAY EXHAUST EMISSION CONTROL METHOD, CATALYTIC CONVERTER AND MANUFACTURE THEREOF |
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