Automotive ignition system with sparkless soft shutdown as thermal overload protection
An interface (100) for providing thermal overload protection includes a switching device (10), a temperature indicating device (Ds), a drive circuit (13) and a thermal monitoring circuit (14). The thermal monitoring circuit (14) is coupled across the temperature indicating device (Ds) and provides a...
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| creator | KESSLER, SCOTT B FRUTH, JOHN R |
| description | An interface (100) for providing thermal overload protection includes a switching device (10), a temperature indicating device (Ds), a drive circuit (13) and a thermal monitoring circuit (14). The thermal monitoring circuit (14) is coupled across the temperature indicating device (Ds) and provides a shutdown signal to the drive circuit (13) when the temperature of the switching device (10) is above a predetermined temperature level as indicated by a temperature signal provided by the temperature indicating device (Ds). The drive circuit (13) responds to the shutdown signal by removing current sources and current sinks from a control terminal of the switching device (10) at which point leakage currents cause the switching device (10) to reduce a drive current to an inductive load (18). |
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The thermal monitoring circuit (14) is coupled across the temperature indicating device (Ds) and provides a shutdown signal to the drive circuit (13) when the temperature of the switching device (10) is above a predetermined temperature level as indicated by a temperature signal provided by the temperature indicating device (Ds). The drive circuit (13) responds to the shutdown signal by removing current sources and current sinks from a control terminal of the switching device (10) at which point leakage currents cause the switching device (10) to reduce a drive current to an inductive load (18).</description><language>eng ; fre ; ger</language><subject>BLASTING ; COMBUSTION ENGINES ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES ; LIGHTING ; MEASURING ; MEASURING QUANTITY OF HEAT ; MEASURING TEMPERATURE ; MECHANICAL ENGINEERING ; PHYSICS ; TESTING ; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES ; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR ; WEAPONS</subject><creationdate>2009</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=20091125&DB=EPODOC&CC=EP&NR=1564404B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20091125&DB=EPODOC&CC=EP&NR=1564404B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KESSLER, SCOTT B</creatorcontrib><creatorcontrib>FRUTH, JOHN R</creatorcontrib><title>Automotive ignition system with sparkless soft shutdown as thermal overload protection</title><description>An interface (100) for providing thermal overload protection includes a switching device (10), a temperature indicating device (Ds), a drive circuit (13) and a thermal monitoring circuit (14). The thermal monitoring circuit (14) is coupled across the temperature indicating device (Ds) and provides a shutdown signal to the drive circuit (13) when the temperature of the switching device (10) is above a predetermined temperature level as indicated by a temperature signal provided by the temperature indicating device (Ds). The drive circuit (13) responds to the shutdown signal by removing current sources and current sinks from a control terminal of the switching device (10) at which point leakage currents cause the switching device (10) to reduce a drive current to an inductive load (18).</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>MEASURING QUANTITY OF HEAT</subject><subject>MEASURING TEMPERATURE</subject><subject>MECHANICAL ENGINEERING</subject><subject>PHYSICS</subject><subject>TESTING</subject><subject>TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES</subject><subject>THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNzLEKwjAQgOEsDqK-w72AYDG6q1QcHcS1hPZqDpNcyF1bfHsVfACnf_n55uZ-GJQjK40I9EikxAnkJYoRJlIPkl15BhQB4V5B_KAdTwmcgHos0QXgEUtg10EurNh-iaWZ9S4Irn5dGDjXt9NljZkb_JgtJtSmvla7vbUbe6y2fyxvW1c6eg</recordid><startdate>20091125</startdate><enddate>20091125</enddate><creator>KESSLER, SCOTT B</creator><creator>FRUTH, JOHN R</creator><scope>EVB</scope></search><sort><creationdate>20091125</creationdate><title>Automotive ignition system with sparkless soft shutdown as thermal overload protection</title><author>KESSLER, SCOTT B ; FRUTH, JOHN R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1564404B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2009</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>MEASURING QUANTITY OF HEAT</topic><topic>MEASURING TEMPERATURE</topic><topic>MECHANICAL ENGINEERING</topic><topic>PHYSICS</topic><topic>TESTING</topic><topic>TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES</topic><topic>THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>KESSLER, SCOTT B</creatorcontrib><creatorcontrib>FRUTH, JOHN R</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KESSLER, SCOTT B</au><au>FRUTH, JOHN R</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Automotive ignition system with sparkless soft shutdown as thermal overload protection</title><date>2009-11-25</date><risdate>2009</risdate><abstract>An interface (100) for providing thermal overload protection includes a switching device (10), a temperature indicating device (Ds), a drive circuit (13) and a thermal monitoring circuit (14). The thermal monitoring circuit (14) is coupled across the temperature indicating device (Ds) and provides a shutdown signal to the drive circuit (13) when the temperature of the switching device (10) is above a predetermined temperature level as indicated by a temperature signal provided by the temperature indicating device (Ds). The drive circuit (13) responds to the shutdown signal by removing current sources and current sinks from a control terminal of the switching device (10) at which point leakage currents cause the switching device (10) to reduce a drive current to an inductive load (18).</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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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 MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE MECHANICAL ENGINEERING PHYSICS TESTING TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR WEAPONS |
| title | Automotive ignition system with sparkless soft shutdown as thermal overload protection |
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