FUEL PUMP WITH AN IMPROVED MAXIMUM-PRESSURE VALVE FOR A DIRECT-INJECTION SYSTEM
Fuel pump (1) for a direct-injection system and having: a pumping chamber (14); a piston (15); an intake channel (17) regulated by an intake valve (18); a delivery channel (22) regulated by a delivery valve (23); and a drain channel (32) that originates in the delivery channel (22) and is regulated...
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| creator | DE VITA, Daniele NERI, Tommaso |
| description | Fuel pump (1) for a direct-injection system and having: a pumping chamber (14); a piston (15); an intake channel (17) regulated by an intake valve (18); a delivery channel (22) regulated by a delivery valve (23); and a drain channel (32) that originates in the delivery channel (22) and is regulated by a maximum-pressure valve (33) having: a shutter (34), a valve body (36) provided with a valve seat (35), a calibrated spring (38) for pushing the shutter (34) against the valve seat (35), and a plate (39) that is arranged in contact with the shutter (34) on the opposite side of the valve seat (35); the plate (39) of the maximum-pressure valve (33) has a first annular groove (42), which is arranged around the shutter (34); and the valve body (36) of the maximum-pressure valve (33) has a second annular groove (43), which is arranged around the shutter (34) and at least partially faces the first annular groove (42) of the plate (39). |
| format | Patent |
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a delivery channel (22) regulated by a delivery valve (23); and a drain channel (32) that originates in the delivery channel (22) and is regulated by a maximum-pressure valve (33) having: a shutter (34), a valve body (36) provided with a valve seat (35), a calibrated spring (38) for pushing the shutter (34) against the valve seat (35), and a plate (39) that is arranged in contact with the shutter (34) on the opposite side of the valve seat (35); the plate (39) of the maximum-pressure valve (33) has a first annular groove (42), which is arranged around the shutter (34); and the valve body (36) of the maximum-pressure valve (33) has a second annular groove (43), which is arranged around the shutter (34) and at least partially faces the first annular groove (42) of the plate (39).</description><language>eng ; fre ; ger</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; COMBUSTION ENGINES ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MECHANICAL ENGINEERING ; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>2019</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=20190306&DB=EPODOC&CC=EP&NR=3267029B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190306&DB=EPODOC&CC=EP&NR=3267029B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DE VITA, Daniele</creatorcontrib><creatorcontrib>NERI, Tommaso</creatorcontrib><title>FUEL PUMP WITH AN IMPROVED MAXIMUM-PRESSURE VALVE FOR A DIRECT-INJECTION SYSTEM</title><description>Fuel pump (1) for a direct-injection system and having: a pumping chamber (14); a piston (15); an intake channel (17) regulated by an intake valve (18); a delivery channel (22) regulated by a delivery valve (23); and a drain channel (32) that originates in the delivery channel (22) and is regulated by a maximum-pressure valve (33) having: a shutter (34), a valve body (36) provided with a valve seat (35), a calibrated spring (38) for pushing the shutter (34) against the valve seat (35), and a plate (39) that is arranged in contact with the shutter (34) on the opposite side of the valve seat (35); the plate (39) of the maximum-pressure valve (33) has a first annular groove (42), which is arranged around the shutter (34); and the valve body (36) of the maximum-pressure valve (33) has a second annular groove (43), which is arranged around the shutter (34) and at least partially faces the first annular groove (42) of the plate (39).</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>COMBUSTION ENGINES</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</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>TAPS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyj0KwjAUAOAuDqLe4V0goC0ojrF9oU_6kpC_6lSKxEm0UO-PDh7A6Vu-ZWFUxA5sZAs9hRakBmLrTMIGWF6IIwvr0PvoEJLsEoIyDiQ05LAOgvT5CxkN_uoD8rpY3MfHnDc_VwUoDHUr8vQa8jyNt_zM7wFtVe4P2_J42lV_lA_8mS6T</recordid><startdate>20190306</startdate><enddate>20190306</enddate><creator>DE VITA, Daniele</creator><creator>NERI, Tommaso</creator><scope>EVB</scope></search><sort><creationdate>20190306</creationdate><title>FUEL PUMP WITH AN IMPROVED MAXIMUM-PRESSURE VALVE FOR A DIRECT-INJECTION SYSTEM</title><author>DE VITA, Daniele ; NERI, Tommaso</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3267029B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2019</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>COMBUSTION ENGINES</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</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>TAPS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>DE VITA, Daniele</creatorcontrib><creatorcontrib>NERI, Tommaso</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DE VITA, Daniele</au><au>NERI, Tommaso</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FUEL PUMP WITH AN IMPROVED MAXIMUM-PRESSURE VALVE FOR A DIRECT-INJECTION SYSTEM</title><date>2019-03-06</date><risdate>2019</risdate><abstract>Fuel pump (1) for a direct-injection system and having: a pumping chamber (14); a piston (15); an intake channel (17) regulated by an intake valve (18); a delivery channel (22) regulated by a delivery valve (23); and a drain channel (32) that originates in the delivery channel (22) and is regulated by a maximum-pressure valve (33) having: a shutter (34), a valve body (36) provided with a valve seat (35), a calibrated spring (38) for pushing the shutter (34) against the valve seat (35), and a plate (39) that is arranged in contact with the shutter (34) on the opposite side of the valve seat (35); the plate (39) of the maximum-pressure valve (33) has a first annular groove (42), which is arranged around the shutter (34); and the valve body (36) of the maximum-pressure valve (33) has a second annular groove (43), which is arranged around the shutter (34) and at least partially faces the first annular groove (42) of the plate (39).</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
| recordid | cdi_epo_espacenet_EP3267029B1 |
| source | esp@cenet |
| subjects | ACTUATING-FLOATS BLASTING COCKS COMBUSTION ENGINES DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | FUEL PUMP WITH AN IMPROVED MAXIMUM-PRESSURE VALVE FOR A DIRECT-INJECTION SYSTEM |
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