Control valve, in particular for metering in a fluid for a delivery pump which is arranged downstream
A control valve (10) is described, in particular for metering in a fluid for a delivery pump (2) which is arranged downstream, having a flow channel (20), an axially movable valve needle (14), a valve element (16) which can be loaded by the valve needle (14) in an opening direction and is arranged i...
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| creator | ECKART WINFRIED BRUNNER DOMINIK THORWIRTH ERIK HEINEN CHRISTIAN |
| description | A control valve (10) is described, in particular for metering in a fluid for a delivery pump (2) which is arranged downstream, having a flow channel (20), an axially movable valve needle (14), a valve element (16) which can be loaded by the valve needle (14) in an opening direction and is arranged in the flow channel (20), wherein, if the valve element (16) is actuated in the opening direction by the valve needle (14), the fluid can flow (backflow) through the flow channel (20) at least temporarily counter to the opening direction of the valve element (16), and wherein, upstream of the valve element (16) as viewed in the backflow direction (22), the flow channel (20) has a fluidically active shield (24) which keeps the backflow at least partially free of a surface (36) of the valve element (16). |
| format | Patent |
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eng</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 ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MECHANICAL ENGINEERING ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF ; TAPS ; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>2012</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=20120815&DB=EPODOC&CC=CN&NR=102639861A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120815&DB=EPODOC&CC=CN&NR=102639861A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ECKART WINFRIED</creatorcontrib><creatorcontrib>BRUNNER DOMINIK</creatorcontrib><creatorcontrib>THORWIRTH ERIK</creatorcontrib><creatorcontrib>HEINEN CHRISTIAN</creatorcontrib><title>Control valve, in particular for metering in a fluid for a delivery pump which is arranged downstream</title><description>A control valve (10) is described, in particular for metering in a fluid for a delivery pump (2) which is arranged downstream, having a flow channel (20), an axially movable valve needle (14), a valve element (16) which can be loaded by the valve needle (14) in an opening direction and is arranged in the flow channel (20), wherein, if the valve element (16) is actuated in the opening direction by the valve needle (14), the fluid can flow (backflow) through the flow channel (20) at least temporarily counter to the opening direction of the valve element (16), and wherein, upstream of the valve element (16) as viewed in the backflow direction (22), the flow channel (20) has a fluidically active shield (24) which keeps the backflow at least partially free of a surface (36) of the valve element (16).</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>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</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>SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF</subject><subject>TAPS</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNirEKwkAQBdNYiPoPa69gDAQtJShWVvZhyb0kC5e7Y--S4N-L4gdYDczMMkPlXVJvaWI7YUfiKLAmaUbLSq1XGpCg4rpPYmrtKObrmQysTNAXhXEINPfS9CSRWJVdB0PGzy4mBQ_rbNGyjdj8uMq2t-uzuu8RfI0YuIFDqqtHfjiWxflU5pfin-cN12c-wA</recordid><startdate>20120815</startdate><enddate>20120815</enddate><creator>ECKART WINFRIED</creator><creator>BRUNNER DOMINIK</creator><creator>THORWIRTH ERIK</creator><creator>HEINEN CHRISTIAN</creator><scope>EVB</scope></search><sort><creationdate>20120815</creationdate><title>Control valve, in particular for metering in a fluid for a delivery pump which is arranged downstream</title><author>ECKART WINFRIED ; BRUNNER DOMINIK ; THORWIRTH ERIK ; HEINEN CHRISTIAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN102639861A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2012</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>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</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>SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF</topic><topic>TAPS</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>ECKART WINFRIED</creatorcontrib><creatorcontrib>BRUNNER DOMINIK</creatorcontrib><creatorcontrib>THORWIRTH ERIK</creatorcontrib><creatorcontrib>HEINEN CHRISTIAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ECKART WINFRIED</au><au>BRUNNER DOMINIK</au><au>THORWIRTH ERIK</au><au>HEINEN CHRISTIAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Control valve, in particular for metering in a fluid for a delivery pump which is arranged downstream</title><date>2012-08-15</date><risdate>2012</risdate><abstract>A control valve (10) is described, in particular for metering in a fluid for a delivery pump (2) which is arranged downstream, having a flow channel (20), an axially movable valve needle (14), a valve element (16) which can be loaded by the valve needle (14) in an opening direction and is arranged in the flow channel (20), wherein, if the valve element (16) is actuated in the opening direction by the valve needle (14), the fluid can flow (backflow) through the flow channel (20) at least temporarily counter to the opening direction of the valve element (16), and wherein, upstream of the valve element (16) as viewed in the backflow direction (22), the flow channel (20) has a fluidically active shield (24) which keeps the backflow at least partially free of a surface (36) of the valve element (16).</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| 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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TAPS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | Control valve, in particular for metering in a fluid for a delivery pump which is arranged downstream |
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