COMBUSTION DIAGNOSIS DEVICE FOR INTERNAL COMBUSTION ENGINE
PROBLEM TO BE SOLVED: To eliminate effects of disturbance and the like to accurately determine the combustion state of each cylinder, with a combustion diagnosis device for an internal combustion engine having a plurality of cylinders.SOLUTION: The combustion diagnosis device includes a speed detect...
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| creator | MISUMI KEIICHIRO HOSHI MAKOTO HANARI AKIRA |
| description | PROBLEM TO BE SOLVED: To eliminate effects of disturbance and the like to accurately determine the combustion state of each cylinder, with a combustion diagnosis device for an internal combustion engine having a plurality of cylinders.SOLUTION: The combustion diagnosis device includes a speed detecting means 40, an injection correction amount calculating means 53, a rotation variation calculating means 52, and combustion state determining means 54 and 55. The speed detecting means 40 detects the rotation speed for each cylinder of the internal combustion engine. The injection correction amount calculating means 53 calculates the correction amount of fuel injection for each cylinder. The rotation variation calculating means 52 calculates the rotation variation of each cylinder based on the speed detecting means 40. When the correction amount calculated by the injection correction amount calculating means 53 reaches an upper threshold value, the combustion state determining means 54 and 55 determine the combustion state of a determination-target cylinder based on the rotation variation. |
| format | Patent |
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The speed detecting means 40 detects the rotation speed for each cylinder of the internal combustion engine. The injection correction amount calculating means 53 calculates the correction amount of fuel injection for each cylinder. The rotation variation calculating means 52 calculates the rotation variation of each cylinder based on the speed detecting means 40. When the correction amount calculated by the injection correction amount calculating means 53 reaches an upper threshold value, the combustion state determining means 54 and 55 determine the combustion state of a determination-target cylinder based on the rotation variation.</description><language>eng</language><subject>BLASTING ; COMBUSTION ENGINES ; CONTROLLING COMBUSTION ENGINES ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MECHANICAL ENGINEERING ; WEAPONS</subject><creationdate>2011</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=20111222&DB=EPODOC&CC=JP&NR=2011256853A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20111222&DB=EPODOC&CC=JP&NR=2011256853A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MISUMI KEIICHIRO</creatorcontrib><creatorcontrib>HOSHI MAKOTO</creatorcontrib><creatorcontrib>HANARI AKIRA</creatorcontrib><title>COMBUSTION DIAGNOSIS DEVICE FOR INTERNAL COMBUSTION ENGINE</title><description>PROBLEM TO BE SOLVED: To eliminate effects of disturbance and the like to accurately determine the combustion state of each cylinder, with a combustion diagnosis device for an internal combustion engine having a plurality of cylinders.SOLUTION: The combustion diagnosis device includes a speed detecting means 40, an injection correction amount calculating means 53, a rotation variation calculating means 52, and combustion state determining means 54 and 55. The speed detecting means 40 detects the rotation speed for each cylinder of the internal combustion engine. The injection correction amount calculating means 53 calculates the correction amount of fuel injection for each cylinder. The rotation variation calculating means 52 calculates the rotation variation of each cylinder based on the speed detecting means 40. When the correction amount calculated by the injection correction amount calculating means 53 reaches an upper threshold value, the combustion state determining means 54 and 55 determine the combustion state of a determination-target cylinder based on the rotation variation.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING COMBUSTION ENGINES</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2011</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLBy9vd1Cg0O8fT3U3DxdHT38w_2DFZwcQ3zdHZVcPMPUvD0C3EN8nP0UUBS6Orn7unnysPAmpaYU5zKC6W5GZTcXEOcPXRTC_LjU4sLEpNT81JL4r0CjAwMDY1MzSxMjR2NiVIEAB3kKag</recordid><startdate>20111222</startdate><enddate>20111222</enddate><creator>MISUMI KEIICHIRO</creator><creator>HOSHI MAKOTO</creator><creator>HANARI AKIRA</creator><scope>EVB</scope></search><sort><creationdate>20111222</creationdate><title>COMBUSTION DIAGNOSIS DEVICE FOR INTERNAL COMBUSTION ENGINE</title><author>MISUMI KEIICHIRO ; HOSHI MAKOTO ; HANARI AKIRA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2011256853A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2011</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING COMBUSTION ENGINES</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>MISUMI KEIICHIRO</creatorcontrib><creatorcontrib>HOSHI MAKOTO</creatorcontrib><creatorcontrib>HANARI AKIRA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MISUMI KEIICHIRO</au><au>HOSHI MAKOTO</au><au>HANARI AKIRA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>COMBUSTION DIAGNOSIS DEVICE FOR INTERNAL COMBUSTION ENGINE</title><date>2011-12-22</date><risdate>2011</risdate><abstract>PROBLEM TO BE SOLVED: To eliminate effects of disturbance and the like to accurately determine the combustion state of each cylinder, with a combustion diagnosis device for an internal combustion engine having a plurality of cylinders.SOLUTION: The combustion diagnosis device includes a speed detecting means 40, an injection correction amount calculating means 53, a rotation variation calculating means 52, and combustion state determining means 54 and 55. 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| subjects | BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS |
| title | COMBUSTION DIAGNOSIS DEVICE FOR INTERNAL COMBUSTION ENGINE |
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