FUEL METERING DEVICE PROTECTED AGAINST ICING
The invention relates to a fuel metering device (12-1) comprising a mobile element (22) comprising at least one fuel passage section (32) opening upstream toward a fuel supply duct and opening downstream toward a usage duct via a metering slot (34) of flared profile having a narrow passage section a...
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| creator | DELDALLE, Régis, Michel, Paul BROCARD, Jean-Marie MOUTON, Pierre, Charles BARREAU, Anne, Marie, Cécile |
| description | The invention relates to a fuel metering device (12-1) comprising a mobile element (22) comprising at least one fuel passage section (32) opening upstream toward a fuel supply duct and opening downstream toward a usage duct via a metering slot (34) of flared profile having a narrow passage section and a broad passage section, the mobile element being able to be moved with respect to a fixed element (24) between a low-flow-rate position in which the metering slot is to a large extent obstructed and a high-flow-rate position in which the metering slot is to a large extent uncovered, the metering slot being made in the fixed element or in the mobile element and its obstruction being achieved by the covering of the slot by a wall of the mobile element or of the fixed element. The metering device further comprises means (40) for at least partially obstructing the narrow passage section of the metering slot when the metering device is in the high-flow-rate position, without ever obstructing the broad passage section. The invention is also aimed at an aircraft engine fuel supply circuit comprising such a metering device. |
| format | Patent |
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The metering device further comprises means (40) for at least partially obstructing the narrow passage section of the metering slot when the metering device is in the high-flow-rate position, without ever obstructing the broad passage section. The invention is also aimed at an aircraft engine fuel supply circuit comprising such a metering device.</description><language>eng ; fre ; ger</language><subject>AIR INTAKES FOR JET-PROPULSION PLANTS ; BLASTING ; COMBUSTION ENGINES ; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ; GAS-TURBINE PLANTS ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MECHANICAL ENGINEERING ; WEAPONS</subject><creationdate>2018</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=20180530&DB=EPODOC&CC=EP&NR=3325787A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180530&DB=EPODOC&CC=EP&NR=3325787A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DELDALLE, Régis, Michel, Paul</creatorcontrib><creatorcontrib>BROCARD, Jean-Marie</creatorcontrib><creatorcontrib>MOUTON, Pierre, Charles</creatorcontrib><creatorcontrib>BARREAU, Anne, Marie, Cécile</creatorcontrib><title>FUEL METERING DEVICE PROTECTED AGAINST ICING</title><description>The invention relates to a fuel metering device (12-1) comprising a mobile element (22) comprising at least one fuel passage section (32) opening upstream toward a fuel supply duct and opening downstream toward a usage duct via a metering slot (34) of flared profile having a narrow passage section and a broad passage section, the mobile element being able to be moved with respect to a fixed element (24) between a low-flow-rate position in which the metering slot is to a large extent obstructed and a high-flow-rate position in which the metering slot is to a large extent uncovered, the metering slot being made in the fixed element or in the mobile element and its obstruction being achieved by the covering of the slot by a wall of the mobile element or of the fixed element. The metering device further comprises means (40) for at least partially obstructing the narrow passage section of the metering slot when the metering device is in the high-flow-rate position, without ever obstructing the broad passage section. The invention is also aimed at an aircraft engine fuel supply circuit comprising such a metering device.</description><subject>AIR INTAKES FOR JET-PROPULSION PLANTS</subject><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS</subject><subject>GAS-TURBINE PLANTS</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNBxC3X1UfB1DXEN8vRzV3BxDfN0dlUICPIPcXUOcXVRcHR39PQLDlHwdAZK8zCwpiXmFKfyQmluBgU31xBnD93Ugvz41OKCxOTUvNSSeNcAY2MjU3MLc0dDYyKUAABDdiSz</recordid><startdate>20180530</startdate><enddate>20180530</enddate><creator>DELDALLE, Régis, Michel, Paul</creator><creator>BROCARD, Jean-Marie</creator><creator>MOUTON, Pierre, Charles</creator><creator>BARREAU, Anne, Marie, Cécile</creator><scope>EVB</scope></search><sort><creationdate>20180530</creationdate><title>FUEL METERING DEVICE PROTECTED AGAINST ICING</title><author>DELDALLE, Régis, Michel, Paul ; BROCARD, Jean-Marie ; MOUTON, Pierre, Charles ; BARREAU, Anne, Marie, Cécile</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3325787A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2018</creationdate><topic>AIR INTAKES FOR JET-PROPULSION PLANTS</topic><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS</topic><topic>GAS-TURBINE PLANTS</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>DELDALLE, Régis, Michel, Paul</creatorcontrib><creatorcontrib>BROCARD, Jean-Marie</creatorcontrib><creatorcontrib>MOUTON, Pierre, Charles</creatorcontrib><creatorcontrib>BARREAU, Anne, Marie, Cécile</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DELDALLE, Régis, Michel, Paul</au><au>BROCARD, Jean-Marie</au><au>MOUTON, Pierre, Charles</au><au>BARREAU, Anne, Marie, Cécile</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FUEL METERING DEVICE PROTECTED AGAINST ICING</title><date>2018-05-30</date><risdate>2018</risdate><abstract>The invention relates to a fuel metering device (12-1) comprising a mobile element (22) comprising at least one fuel passage section (32) opening upstream toward a fuel supply duct and opening downstream toward a usage duct via a metering slot (34) of flared profile having a narrow passage section and a broad passage section, the mobile element being able to be moved with respect to a fixed element (24) between a low-flow-rate position in which the metering slot is to a large extent obstructed and a high-flow-rate position in which the metering slot is to a large extent uncovered, the metering slot being made in the fixed element or in the mobile element and its obstruction being achieved by the covering of the slot by a wall of the mobile element or of the fixed element. The metering device further comprises means (40) for at least partially obstructing the narrow passage section of the metering slot when the metering device is in the high-flow-rate position, without ever obstructing the broad passage section. The invention is also aimed at an aircraft engine fuel supply circuit comprising such a metering device.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS |
| title | FUEL METERING DEVICE PROTECTED AGAINST ICING |
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