Fuel pump boost system
A fuel delivery system includes a fuel pump, a controller, and a boost circuit. The fuel pump has an electric motor that includes a winding configured to operate with a maximum efficiency at a first voltage for an expected load. The controller includes a pulse width modulator for generating a drivin...
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creator | KEMPFER STEPHEN T KNIGHT JAMES THOMPSON JAMES L |
description | A fuel delivery system includes a fuel pump, a controller, and a boost circuit. The fuel pump has an electric motor that includes a winding configured to operate with a maximum efficiency at a first voltage for an expected load. The controller includes a pulse width modulator for generating a driving signal for the electric motor. Under normal operating conditions, the boost circuit acts as a pass-through and the driving signal is modulated at the first voltage to control the pump output. However, when a load greater than the expected load is applied to the electric motor, the boost circuit acts to scale the driving signal to a second voltage that is greater than the first voltage. The second voltage drives the electric motor at a voltage beyond the maximum efficiency but provides overall improved system efficiency. |
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The fuel pump has an electric motor that includes a winding configured to operate with a maximum efficiency at a first voltage for an expected load. The controller includes a pulse width modulator for generating a driving signal for the electric motor. Under normal operating conditions, the boost circuit acts as a pass-through and the driving signal is modulated at the first voltage to control the pump output. However, when a load greater than the expected load is applied to the electric motor, the boost circuit acts to scale the driving signal to a second voltage that is greater than the first voltage. The second voltage drives the electric motor at a voltage beyond the maximum efficiency but provides overall improved system efficiency.</description><language>eng</language><subject>BLASTING ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; WEAPONS</subject><creationdate>2006</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=20061207&DB=EPODOC&CC=US&NR=2006275137A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20061207&DB=EPODOC&CC=US&NR=2006275137A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KEMPFER STEPHEN T</creatorcontrib><creatorcontrib>KNIGHT JAMES</creatorcontrib><creatorcontrib>THOMPSON JAMES L</creatorcontrib><title>Fuel pump boost system</title><description>A fuel delivery system includes a fuel pump, a controller, and a boost circuit. The fuel pump has an electric motor that includes a winding configured to operate with a maximum efficiency at a first voltage for an expected load. The controller includes a pulse width modulator for generating a driving signal for the electric motor. Under normal operating conditions, the boost circuit acts as a pass-through and the driving signal is modulated at the first voltage to control the pump output. However, when a load greater than the expected load is applied to the electric motor, the boost circuit acts to scale the driving signal to a second voltage that is greater than the first voltage. The second voltage drives the electric motor at a voltage beyond the maximum efficiency but provides overall improved system efficiency.</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2006</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBBzK03NUSgozS1QSMrPLy5RKK4sLknN5WFgTUvMKU7lhdLcDMpuriHOHrqpBfnxqcUFicmpeakl8aHBRgYGZkbmpobG5o6GxsSpAgAg9iJt</recordid><startdate>20061207</startdate><enddate>20061207</enddate><creator>KEMPFER STEPHEN T</creator><creator>KNIGHT JAMES</creator><creator>THOMPSON JAMES L</creator><scope>EVB</scope></search><sort><creationdate>20061207</creationdate><title>Fuel pump boost system</title><author>KEMPFER STEPHEN T ; KNIGHT JAMES ; THOMPSON JAMES L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2006275137A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2006</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>KEMPFER STEPHEN T</creatorcontrib><creatorcontrib>KNIGHT JAMES</creatorcontrib><creatorcontrib>THOMPSON JAMES L</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KEMPFER STEPHEN T</au><au>KNIGHT JAMES</au><au>THOMPSON JAMES L</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Fuel pump boost system</title><date>2006-12-07</date><risdate>2006</risdate><abstract>A fuel delivery system includes a fuel pump, a controller, and a boost circuit. The fuel pump has an electric motor that includes a winding configured to operate with a maximum efficiency at a first voltage for an expected load. The controller includes a pulse width modulator for generating a driving signal for the electric motor. Under normal operating conditions, the boost circuit acts as a pass-through and the driving signal is modulated at the first voltage to control the pump output. However, when a load greater than the expected load is applied to the electric motor, the boost circuit acts to scale the driving signal to a second voltage that is greater than the first voltage. The second voltage drives the electric motor at a voltage beyond the maximum efficiency but provides overall improved system efficiency.</abstract><oa>free_for_read</oa></addata></record> |
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language | eng |
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subjects | BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS |
title | Fuel pump boost system |
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