Fuel injector control system and method
The present invention discloses a fuel injector control system and a method thereof. The fuel injector (32) is used for engine (10). The fuel injector has a plunger (72) disposed within a bore (74), a nozzle member (62), a valve needle (76), a check valve (80), a spill valve (68), and a controller (...
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| creator | SANKAR RAMMOHAN |
| description | The present invention discloses a fuel injector control system and a method thereof. The fuel injector (32) is used for engine (10). The fuel injector has a plunger (72) disposed within a bore (74), a nozzle member (62), a valve needle (76), a check valve (80), a spill valve (68), and a controller (53). The check valve is movable between a first position at which the valve needle is communicated with the bore, and a second position at which the valve needle is fluidly communicated with a drain. The spill valve is movable between a first position at which fuel flows from the bore to the drain, and a second position at which the fuel from the bore is blocked. The controller moves the spill valve toward its second position and the check valve toward its second position during a downward displacing movement of the plunger. The controller detects an unsuccessful moved of the check valve to the second position, and prematurely halts the current injection event in response to the detection. |
| format | Patent |
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The fuel injector has a plunger (72) disposed within a bore (74), a nozzle member (62), a valve needle (76), a check valve (80), a spill valve (68), and a controller (53). The check valve is movable between a first position at which the valve needle is communicated with the bore, and a second position at which the valve needle is fluidly communicated with a drain. The spill valve is movable between a first position at which fuel flows from the bore to the drain, and a second position at which the fuel from the bore is blocked. The controller moves the spill valve toward its second position and the check valve toward its second position during a downward displacing movement of the plunger. The controller detects an unsuccessful moved of the check valve to the second position, and prematurely halts the current injection event in response to the detection.</description><language>chi ; eng</language><subject>BLASTING ; COMBUSTION ENGINES ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MECHANICAL ENGINEERING ; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF ; 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=20090715&DB=EPODOC&CC=CN&NR=101484687A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090715&DB=EPODOC&CC=CN&NR=101484687A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SANKAR RAMMOHAN</creatorcontrib><title>Fuel injector control system and method</title><description>The present invention discloses a fuel injector control system and a method thereof. The fuel injector (32) is used for engine (10). The fuel injector has a plunger (72) disposed within a bore (74), a nozzle member (62), a valve needle (76), a check valve (80), a spill valve (68), and a controller (53). The check valve is movable between a first position at which the valve needle is communicated with the bore, and a second position at which the valve needle is fluidly communicated with a drain. The spill valve is movable between a first position at which fuel flows from the bore to the drain, and a second position at which the fuel from the bore is blocked. The controller moves the spill valve toward its second position and the check valve toward its second position during a downward displacing movement of the plunger. The controller detects an unsuccessful moved of the check valve to the second position, and prematurely halts the current injection event in response to the detection.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFB3K03NUcjMy0pNLskvUkjOzyspys9RKK4sLknNVUjMS1HITS3JyE_hYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxzn6GBoYmFiZmFuaOxsSoAQCj8ygA</recordid><startdate>20090715</startdate><enddate>20090715</enddate><creator>SANKAR RAMMOHAN</creator><scope>EVB</scope></search><sort><creationdate>20090715</creationdate><title>Fuel injector control system and method</title><author>SANKAR RAMMOHAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN101484687A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2009</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SANKAR RAMMOHAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SANKAR RAMMOHAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Fuel injector control system and method</title><date>2009-07-15</date><risdate>2009</risdate><abstract>The present invention discloses a fuel injector control system and a method thereof. The fuel injector (32) is used for engine (10). The fuel injector has a plunger (72) disposed within a bore (74), a nozzle member (62), a valve needle (76), a check valve (80), a spill valve (68), and a controller (53). The check valve is movable between a first position at which the valve needle is communicated with the bore, and a second position at which the valve needle is fluidly communicated with a drain. The spill valve is movable between a first position at which fuel flows from the bore to the drain, and a second position at which the fuel from the bore is blocked. The controller moves the spill valve toward its second position and the check valve toward its second position during a downward displacing movement of the plunger. The controller detects an unsuccessful moved of the check valve to the second position, and prematurely halts the current injection event in response to the detection.</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS |
| title | Fuel injector control system and method |
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