AIR-FUEL RATIO CONTROL DEVICE
PURPOSE:To clean exhaust gas and to reduce energy consumption by correcting a basic fuel injection amount, obtained from an intake air amount and a rotational speed, in accordance with an operational condition, and making secondary air flow in accordance with a correction amount. CONSTITUTION:A basi...
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| creator | ISHII TOSHIO KATOUGI KOUZOU |
| description | PURPOSE:To clean exhaust gas and to reduce energy consumption by correcting a basic fuel injection amount, obtained from an intake air amount and a rotational speed, in accordance with an operational condition, and making secondary air flow in accordance with a correction amount. CONSTITUTION:A basic fuel injection amount is obtained from an intake air flow meter 10 and a position sensor 12 or the like for measuring a rotational angle of a crank, and further from a reference sensor 11, throttle opening sensor 13, air-fuel ratio sensor 14, etc., an operational condition of an engine is detected and input to an engine control unit 1 to inject fuel by correcting the basic fuel injection amount. In accordance with this correction amount, a secondary air pump 16 is controlled by a pump control unit to supply sufficient secondary air. Thus, exhaust is purified while reducing consumption energy as compared with the case of normally rotating the secondary air pump. |
| format | Patent |
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CONSTITUTION:A basic fuel injection amount is obtained from an intake air flow meter 10 and a position sensor 12 or the like for measuring a rotational angle of a crank, and further from a reference sensor 11, throttle opening sensor 13, air-fuel ratio sensor 14, etc., an operational condition of an engine is detected and input to an engine control unit 1 to inject fuel by correcting the basic fuel injection amount. In accordance with this correction amount, a secondary air pump 16 is controlled by a pump control unit to supply sufficient secondary air. Thus, exhaust is purified while reducing consumption energy as compared with the case of normally rotating the secondary air pump.</description><language>eng</language><subject>BLASTING ; COMBUSTION ENGINES ; CONTROLLING COMBUSTION ENGINES ; ENGINE PLANTS IN GENERAL ; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES ; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MEASURING ; MECHANICAL ENGINEERING ; PHYSICS ; STEAM ENGINES ; TESTING ; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES ; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR ; 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&date=19930608&DB=EPODOC&CC=JP&NR=H05141232A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930608&DB=EPODOC&CC=JP&NR=H05141232A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ISHII TOSHIO</creatorcontrib><creatorcontrib>KATOUGI KOUZOU</creatorcontrib><title>AIR-FUEL RATIO CONTROL DEVICE</title><description>PURPOSE:To clean exhaust gas and to reduce energy consumption by correcting a basic fuel injection amount, obtained from an intake air amount and a rotational speed, in accordance with an operational condition, and making secondary air flow in accordance with a correction amount. CONSTITUTION:A basic fuel injection amount is obtained from an intake air flow meter 10 and a position sensor 12 or the like for measuring a rotational angle of a crank, and further from a reference sensor 11, throttle opening sensor 13, air-fuel ratio sensor 14, etc., an operational condition of an engine is detected and input to an engine control unit 1 to inject fuel by correcting the basic fuel injection amount. In accordance with this correction amount, a secondary air pump 16 is controlled by a pump control unit to supply sufficient secondary air. Thus, exhaust is purified while reducing consumption energy as compared with the case of normally rotating the secondary air pump.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING COMBUSTION ENGINES</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MEASURING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PHYSICS</subject><subject>STEAM ENGINES</subject><subject>TESTING</subject><subject>TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES</subject><subject>TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1993</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJB19AzSdQt19VEIcgzx9Fdw9vcLCfL3UXBxDfN0duVhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfFeAR4GpoYmhkbGRo7GxKgBAIaOIQ8</recordid><startdate>19930608</startdate><enddate>19930608</enddate><creator>ISHII TOSHIO</creator><creator>KATOUGI KOUZOU</creator><scope>EVB</scope></search><sort><creationdate>19930608</creationdate><title>AIR-FUEL RATIO CONTROL DEVICE</title><author>ISHII TOSHIO ; KATOUGI KOUZOU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH05141232A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1993</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING COMBUSTION ENGINES</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MEASURING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PHYSICS</topic><topic>STEAM ENGINES</topic><topic>TESTING</topic><topic>TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES</topic><topic>TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>ISHII TOSHIO</creatorcontrib><creatorcontrib>KATOUGI KOUZOU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ISHII TOSHIO</au><au>KATOUGI KOUZOU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>AIR-FUEL RATIO CONTROL DEVICE</title><date>1993-06-08</date><risdate>1993</risdate><abstract>PURPOSE:To clean exhaust gas and to reduce energy consumption by correcting a basic fuel injection amount, obtained from an intake air amount and a rotational speed, in accordance with an operational condition, and making secondary air flow in accordance with a correction amount. CONSTITUTION:A basic fuel injection amount is obtained from an intake air flow meter 10 and a position sensor 12 or the like for measuring a rotational angle of a crank, and further from a reference sensor 11, throttle opening sensor 13, air-fuel ratio sensor 14, etc., an operational condition of an engine is detected and input to an engine control unit 1 to inject fuel by correcting the basic fuel injection amount. In accordance with this correction amount, a secondary air pump 16 is controlled by a pump control unit to supply sufficient secondary air. Thus, exhaust is purified while reducing consumption energy as compared with the case of normally rotating the secondary air pump.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MEASURING MECHANICAL ENGINEERING PHYSICS STEAM ENGINES TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR WEAPONS |
| title | AIR-FUEL RATIO CONTROL DEVICE |
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