Cylinder deactivation torque limit for noise, vibration, and harshness
An engine control system for controlling the engine to transition between an activated mode where all cylinders are active and a deactivated mode where less than all cylinders are active is provided. The system includes: a noise vibration and harshness (NVH) limit module that determines a noise, vib...
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| creator | VENNER, III WILLIAM R SPITZA, JR. ALFRED E WONG KEVIN C |
| description | An engine control system for controlling the engine to transition between an activated mode where all cylinders are active and a deactivated mode where less than all cylinders are active is provided. The system includes: a noise vibration and harshness (NVH) limit module that determines a noise, vibration, and harshness (NVH) torque limit based on the engine speed and the vehicle speed; and a mode transition module that enables the engine to transition between the deactivated mode and the activated mode while limiting noise, vibration, and harshness based on the NVH torque limit and a requested torque. |
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The system includes: a noise vibration and harshness (NVH) limit module that determines a noise, vibration, and harshness (NVH) torque limit based on the engine speed and the vehicle speed; and a mode transition module that enables the engine to transition between the deactivated mode and the activated mode while limiting noise, vibration, and harshness based on the NVH torque limit and a requested torque.</description><language>eng</language><subject>BLASTING ; COMBUSTION ENGINES ; COMBUSTION ENGINES IN GENERAL ; CONTROLLING COMBUSTION ENGINES ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; INTERNAL-COMBUSTION PISTON ENGINES ; LIGHTING ; MECHANICAL ENGINEERING ; WEAPONS</subject><creationdate>2007</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=20071009&DB=EPODOC&CC=US&NR=7278391B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20071009&DB=EPODOC&CC=US&NR=7278391B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>VENNER, III WILLIAM R</creatorcontrib><creatorcontrib>SPITZA, JR. 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ALFRED E</creatorcontrib><creatorcontrib>WONG KEVIN C</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>VENNER, III WILLIAM R</au><au>SPITZA, JR. ALFRED E</au><au>WONG KEVIN C</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Cylinder deactivation torque limit for noise, vibration, and harshness</title><date>2007-10-09</date><risdate>2007</risdate><abstract>An engine control system for controlling the engine to transition between an activated mode where all cylinders are active and a deactivated mode where less than all cylinders are active is provided. The system includes: a noise vibration and harshness (NVH) limit module that determines a noise, vibration, and harshness (NVH) torque limit based on the engine speed and the vehicle speed; and a mode transition module that enables the engine to transition between the deactivated mode and the activated mode while limiting noise, vibration, and harshness based on the NVH torque limit and a requested torque.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING WEAPONS |
| title | Cylinder deactivation torque limit for noise, vibration, and harshness |
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