METHOD AND DEVICE FOR CONTROLLING AIR-FUEL RATIO

METHOD AND DEVICE FOR CONTROLLING AIR-FUEL RATIO

PURPOSE: To compensate for the change of engine elements and reduce NOx by controlling air/fuel ratio to a predetermined scheduled value by controlling the amount of exhaust gases recirculated. CONSTITUTION: The air/fuel ratio of the combustion mixture in a cylinder 12 of an engine 10 is sensed and...

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Hauptverfasser: DEBITSUDO PIITAA SUTSUOMATSUKU, MAIKERU JIYON BURAUN, JIEEMUZU HAWAADO KARII, RICHIYAADO AREN PIIDEN, MAAKU ARAN MITSUCHIERU
Format: Patent
Sprache:eng
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BLASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MECHANICAL ENGINEERING
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
WEAPONS
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creator DEBITSUDO PIITAA SUTSUOMATSUKU
MAIKERU JIYON BURAUN
JIEEMUZU HAWAADO KARII
RICHIYAADO AREN PIIDEN
MAAKU ARAN MITSUCHIERU
description PURPOSE: To compensate for the change of engine elements and reduce NOx by controlling air/fuel ratio to a predetermined scheduled value by controlling the amount of exhaust gases recirculated. CONSTITUTION: The air/fuel ratio of the combustion mixture in a cylinder 12 of an engine 10 is sensed and the sensed air/fuel ratio is controlled to a predetermined scheduled air/fuel ratio by controlling the amount of exhaust gases recirculated. When the exhaust gases recirculated is substantially zero, the air/fuel ratio is thereafter closed loop adjusted to a predetermined scheduled minimum air/fuel ratio when the sensed air/fuel ratio is less than the minimum and when the sensed air/fuel ratio is greater than the minimum while the operator command 26 is at a maximum to thereby provide precise fuel limiting at a predetermined fuel limit schedule.
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When the exhaust gases recirculated is substantially zero, the air/fuel ratio is thereafter closed loop adjusted to a predetermined scheduled minimum air/fuel ratio when the sensed air/fuel ratio is less than the minimum and when the sensed air/fuel ratio is greater than the minimum while the operator command 26 is at a maximum to thereby provide precise fuel limiting at a predetermined fuel limit schedule.</description><language>eng</language><subject>BLASTING ; COMBUSTION ENGINES ; COMBUSTION ENGINES IN GENERAL ; CONTROLLING COMBUSTION ENGINES ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; INTERNAL-COMBUSTION PISTON ENGINES ; LIGHTING ; MECHANICAL ENGINEERING ; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF ; WEAPONS</subject><creationdate>1993</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&amp;date=19930824&amp;DB=EPODOC&amp;CC=JP&amp;NR=H05215016A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19930824&amp;DB=EPODOC&amp;CC=JP&amp;NR=H05215016A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DEBITSUDO PIITAA SUTSUOMATSUKU</creatorcontrib><creatorcontrib>MAIKERU JIYON BURAUN</creatorcontrib><creatorcontrib>JIEEMUZU HAWAADO KARII</creatorcontrib><creatorcontrib>RICHIYAADO AREN PIIDEN</creatorcontrib><creatorcontrib>MAAKU ARAN MITSUCHIERU</creatorcontrib><title>METHOD AND DEVICE FOR CONTROLLING AIR-FUEL RATIO</title><description>PURPOSE: To compensate for the change of engine elements and reduce NOx by controlling air/fuel ratio to a predetermined scheduled value by controlling the amount of exhaust gases recirculated. 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subjects BLASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MECHANICAL ENGINEERING
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
WEAPONS
title METHOD AND DEVICE FOR CONTROLLING AIR-FUEL RATIO
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