MISFIRE DETECTING APPARATUS FOR INTERNAL-COMBUSTION ENGINE
PURPOSE:To detect misfire by installing two pairs of fail-signal generating circuits of an ignition apparatus having an intermediate tap and setting the trigger voltage lower than the second peak value in the primary voltage wave-form in case of misfire and comparing and discriminating the both. CON...
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| creator | KAJITA YUUJI YAMADA KAZUHIRO |
| description | PURPOSE:To detect misfire by installing two pairs of fail-signal generating circuits of an ignition apparatus having an intermediate tap and setting the trigger voltage lower than the second peak value in the primary voltage wave-form in case of misfire and comparing and discriminating the both. CONSTITUTION:Electric-current control circuits 3a and 3b repete switching alternately on the basis of the signal supplied from a revolution-angle sensor 1, and fail-signal generating circuits 4a and 4b generate the pulses which are synchronized with ignition and has a constant time width. In normal ignition, pulses are generated on two fail-signal lines C and D alternately. When a trouble is generated because of an anomaly, the vibration wave-form having a reverse phase is generated, and when each trigger voltage of the fail-signal generating circuits 4a and 4b is set lower than the second peak voltage in the primary voltage wave-form, pulses are generated at the same time and can be detected by a spark trouble detecting circuit 5. Therefore, the engine can be stopped in case of spark trouble, and therefore, the secondary trouble can be prevented. |
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CONSTITUTION:Electric-current control circuits 3a and 3b repete switching alternately on the basis of the signal supplied from a revolution-angle sensor 1, and fail-signal generating circuits 4a and 4b generate the pulses which are synchronized with ignition and has a constant time width. In normal ignition, pulses are generated on two fail-signal lines C and D alternately. When a trouble is generated because of an anomaly, the vibration wave-form having a reverse phase is generated, and when each trigger voltage of the fail-signal generating circuits 4a and 4b is set lower than the second peak voltage in the primary voltage wave-form, pulses are generated at the same time and can be detected by a spark trouble detecting circuit 5. Therefore, the engine can be stopped in case of spark trouble, and therefore, the secondary trouble can be prevented.</description><language>eng</language><subject>BLASTING ; COMBUSTION ENGINES ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES ; LIGHTING ; MEASURING ; MECHANICAL ENGINEERING ; PHYSICS ; TESTING ; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES ; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES ; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR ; WEAPONS</subject><creationdate>1985</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=19850327&DB=EPODOC&CC=JP&NR=S6053672A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19850327&DB=EPODOC&CC=JP&NR=S6053672A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KAJITA YUUJI</creatorcontrib><creatorcontrib>YAMADA KAZUHIRO</creatorcontrib><title>MISFIRE DETECTING APPARATUS FOR INTERNAL-COMBUSTION ENGINE</title><description>PURPOSE:To detect misfire by installing two pairs of fail-signal generating circuits of an ignition apparatus having an intermediate tap and setting the trigger voltage lower than the second peak value in the primary voltage wave-form in case of misfire and comparing and discriminating the both. CONSTITUTION:Electric-current control circuits 3a and 3b repete switching alternately on the basis of the signal supplied from a revolution-angle sensor 1, and fail-signal generating circuits 4a and 4b generate the pulses which are synchronized with ignition and has a constant time width. In normal ignition, pulses are generated on two fail-signal lines C and D alternately. When a trouble is generated because of an anomaly, the vibration wave-form having a reverse phase is generated, and when each trigger voltage of the fail-signal generating circuits 4a and 4b is set lower than the second peak voltage in the primary voltage wave-form, pulses are generated at the same time and can be detected by a spark trouble detecting circuit 5. Therefore, the engine can be stopped in case of spark trouble, and therefore, the secondary trouble can be prevented.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES</subject><subject>LIGHTING</subject><subject>MEASURING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PHYSICS</subject><subject>TESTING</subject><subject>TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES</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>1985</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDy9Qx28wxyVXBxDXF1DvH0c1dwDAhwDHIMCQ1WcPMPUvD0C3EN8nP00XX293UKDQ7x9PdTcPVz9_Rz5WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8V4BwWYGpsZm5kaOxkQoAQCKcyky</recordid><startdate>19850327</startdate><enddate>19850327</enddate><creator>KAJITA YUUJI</creator><creator>YAMADA KAZUHIRO</creator><scope>EVB</scope></search><sort><creationdate>19850327</creationdate><title>MISFIRE DETECTING APPARATUS FOR INTERNAL-COMBUSTION ENGINE</title><author>KAJITA YUUJI ; YAMADA KAZUHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS6053672A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1985</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES</topic><topic>LIGHTING</topic><topic>MEASURING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PHYSICS</topic><topic>TESTING</topic><topic>TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES</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>KAJITA YUUJI</creatorcontrib><creatorcontrib>YAMADA KAZUHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KAJITA YUUJI</au><au>YAMADA KAZUHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MISFIRE DETECTING APPARATUS FOR INTERNAL-COMBUSTION ENGINE</title><date>1985-03-27</date><risdate>1985</risdate><abstract>PURPOSE:To detect misfire by installing two pairs of fail-signal generating circuits of an ignition apparatus having an intermediate tap and setting the trigger voltage lower than the second peak value in the primary voltage wave-form in case of misfire and comparing and discriminating the both. CONSTITUTION:Electric-current control circuits 3a and 3b repete switching alternately on the basis of the signal supplied from a revolution-angle sensor 1, and fail-signal generating circuits 4a and 4b generate the pulses which are synchronized with ignition and has a constant time width. In normal ignition, pulses are generated on two fail-signal lines C and D alternately. When a trouble is generated because of an anomaly, the vibration wave-form having a reverse phase is generated, and when each trigger voltage of the fail-signal generating circuits 4a and 4b is set lower than the second peak voltage in the primary voltage wave-form, pulses are generated at the same time and can be detected by a spark trouble detecting circuit 5. Therefore, the engine can be stopped in case of spark trouble, and therefore, the secondary trouble can be prevented.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES LIGHTING MEASURING MECHANICAL ENGINEERING PHYSICS TESTING TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR WEAPONS |
| title | MISFIRE DETECTING APPARATUS FOR INTERNAL-COMBUSTION ENGINE |
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