Electrically latching rocker arm assembly having built-in OBD functionality
An internal combustion engine includes a cam-actuated rocker arm assembly with a solenoid-actuated latch that provides for cylinder deactivation or variable valve actuation. The solenoid has an inductance that varies significantly in relation to the position of a latch pin as it translates between l...
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| creator | McCarthy, Jr., James Edward Gillette, Nicholas Peter Juds, Mark Allan Hughes, Douglas Anthony Busdiecker, Matthew Richard |
| description | An internal combustion engine includes a cam-actuated rocker arm assembly with a solenoid-actuated latch that provides for cylinder deactivation or variable valve actuation. The solenoid has an inductance that varies significantly in relation to the position of a latch pin as it translates between latching and non-latching configurations. A sensor is positioned to monitor a current or a voltage in a circuit that includes the solenoid. Diagnostic information relating to the operation of the rocker arm assembly is determined by comparing data collected from the sensor over a first period to data collected from the sensor over a second period. |
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The solenoid has an inductance that varies significantly in relation to the position of a latch pin as it translates between latching and non-latching configurations. A sensor is positioned to monitor a current or a voltage in a circuit that includes the solenoid. Diagnostic information relating to the operation of the rocker arm assembly is determined by comparing data collected from the sensor over a first period to data collected from the sensor over a second period.</description><language>eng</language><subject>BLASTING ; COMBUSTION ENGINES ; CONTROLLING COMBUSTION ENGINES ; CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ; ENGINE PLANTS IN GENERAL ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; STEAM ENGINES ; WEAPONS</subject><creationdate>2020</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=20200922&DB=EPODOC&CC=US&NR=10781726B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200922&DB=EPODOC&CC=US&NR=10781726B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>McCarthy, Jr., James Edward</creatorcontrib><creatorcontrib>Gillette, Nicholas Peter</creatorcontrib><creatorcontrib>Juds, Mark Allan</creatorcontrib><creatorcontrib>Hughes, Douglas Anthony</creatorcontrib><creatorcontrib>Busdiecker, Matthew Richard</creatorcontrib><title>Electrically latching rocker arm assembly having built-in OBD functionality</title><description>An internal combustion engine includes a cam-actuated rocker arm assembly with a solenoid-actuated latch that provides for cylinder deactivation or variable valve actuation. 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Diagnostic information relating to the operation of the rocker arm assembly is determined by comparing data collected from the sensor over a first period to data collected from the sensor over a second period.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING COMBUSTION ENGINES</subject><subject>CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES</subject><subject>ENGINE PLANTS 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>MECHANICAL ENGINEERING</subject><subject>STEAM ENGINES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPB2zUlNLinKTE7MyalUyEksSc7IzEtXKMpPzk4tUkgsylVILC5OzU0CSmYkloGkkkozc0p0M_MU_J1cFNJK85JLMvPzEnMySyp5GFjTEnOKU3mhNDeDoptriLOHbmpBfnxqcUFicmpeakl8aLChgbmFobmRmZORMTFqAHGkNbI</recordid><startdate>20200922</startdate><enddate>20200922</enddate><creator>McCarthy, Jr., James Edward</creator><creator>Gillette, Nicholas Peter</creator><creator>Juds, Mark Allan</creator><creator>Hughes, Douglas Anthony</creator><creator>Busdiecker, Matthew Richard</creator><scope>EVB</scope></search><sort><creationdate>20200922</creationdate><title>Electrically latching rocker arm assembly having built-in OBD functionality</title><author>McCarthy, Jr., James Edward ; Gillette, Nicholas Peter ; Juds, Mark Allan ; Hughes, Douglas Anthony ; Busdiecker, Matthew Richard</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US10781726B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2020</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING COMBUSTION ENGINES</topic><topic>CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES</topic><topic>ENGINE PLANTS 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>MECHANICAL ENGINEERING</topic><topic>STEAM ENGINES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>McCarthy, Jr., James Edward</creatorcontrib><creatorcontrib>Gillette, Nicholas Peter</creatorcontrib><creatorcontrib>Juds, Mark Allan</creatorcontrib><creatorcontrib>Hughes, Douglas Anthony</creatorcontrib><creatorcontrib>Busdiecker, Matthew Richard</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>McCarthy, Jr., James Edward</au><au>Gillette, Nicholas Peter</au><au>Juds, Mark Allan</au><au>Hughes, Douglas Anthony</au><au>Busdiecker, Matthew Richard</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Electrically latching rocker arm assembly having built-in OBD functionality</title><date>2020-09-22</date><risdate>2020</risdate><abstract>An internal combustion engine includes a cam-actuated rocker arm assembly with a solenoid-actuated latch that provides for cylinder deactivation or variable valve actuation. The solenoid has an inductance that varies significantly in relation to the position of a latch pin as it translates between latching and non-latching configurations. A sensor is positioned to monitor a current or a voltage in a circuit that includes the solenoid. Diagnostic information relating to the operation of the rocker arm assembly is determined by comparing data collected from the sensor over a first period to data collected from the sensor over a second period.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS |
| title | Electrically latching rocker arm assembly having built-in OBD functionality |
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