Pressure holding valve
A pressure maintaining valve. The utility model is comprised of a valve body (24), a valve core (25), a gas inlet component, a gas outlet component, a needle valve (10), a retaining mechanism and a spring pressure adjusting mechanism, a gas inlet cavity and a gas outlet cavity are arranged in the mi...
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| creator | DENG ZHIJING ZHU FENG |
| description | A pressure maintaining valve. The utility model is comprised of a valve body (24), a valve core (25), a gas inlet component, a gas outlet component, a needle valve (10), a retaining mechanism and a spring pressure adjusting mechanism, a gas inlet cavity and a gas outlet cavity are arranged in the middle of the valve body (24), concentric perforated round holes (26) are arranged at the both ends of the cavity, a valve seat (8) is arranged in the middle, a section of cone hole is arranged on the valve seat, a valve core (25) is arranged in the hollow cavity, the sealing axles (1 and 12) at the both ends of the valve core are matched with the round holes (26) at the both ends of the hollow cavity, a cone body (9) which taper degree is smaller than the taper degree of the cone hole on the valve seat (8) is arranged in the middle of the valve core (25), the cone body (9) and the cone hole are matched at a contacting position (d) in a linear sealing way, and gas inlet and outlet parts connected with the hollow cavi |
| format | Patent |
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The utility model is comprised of a valve body (24), a valve core (25), a gas inlet component, a gas outlet component, a needle valve (10), a retaining mechanism and a spring pressure adjusting mechanism, a gas inlet cavity and a gas outlet cavity are arranged in the middle of the valve body (24), concentric perforated round holes (26) are arranged at the both ends of the cavity, a valve seat (8) is arranged in the middle, a section of cone hole is arranged on the valve seat, a valve core (25) is arranged in the hollow cavity, the sealing axles (1 and 12) at the both ends of the valve core are matched with the round holes (26) at the both ends of the hollow cavity, a cone body (9) which taper degree is smaller than the taper degree of the cone hole on the valve seat (8) is arranged in the middle of the valve core (25), the cone body (9) and the cone hole are matched at a contacting position (d) in a linear sealing way, and gas inlet and outlet parts connected with the hollow cavi</description><language>chi ; eng</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>2008</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=20080102&DB=EPODOC&CC=CN&NR=200999893Y$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080102&DB=EPODOC&CC=CN&NR=200999893Y$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DENG ZHIJING</creatorcontrib><creatorcontrib>ZHU FENG</creatorcontrib><title>Pressure holding valve</title><description>A pressure maintaining valve. The utility model is comprised of a valve body (24), a valve core (25), a gas inlet component, a gas outlet component, a needle valve (10), a retaining mechanism and a spring pressure adjusting mechanism, a gas inlet cavity and a gas outlet cavity are arranged in the middle of the valve body (24), concentric perforated round holes (26) are arranged at the both ends of the cavity, a valve seat (8) is arranged in the middle, a section of cone hole is arranged on the valve seat, a valve core (25) is arranged in the hollow cavity, the sealing axles (1 and 12) at the both ends of the valve core are matched with the round holes (26) at the both ends of the hollow cavity, a cone body (9) which taper degree is smaller than the taper degree of the cone hole on the valve seat (8) is arranged in the middle of the valve core (25), the cone body (9) and the cone hole are matched at a contacting position (d) in a linear sealing way, and gas inlet and outlet parts connected with the hollow cavi</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</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>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>TAPS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBALKEotLi4tSlXIyM9JycxLVyhLzClL5WFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8c5-RgYGlpaWFpbGkZHGRCkCAPi2Ip8</recordid><startdate>20080102</startdate><enddate>20080102</enddate><creator>DENG ZHIJING</creator><creator>ZHU FENG</creator><scope>EVB</scope></search><sort><creationdate>20080102</creationdate><title>Pressure holding valve</title><author>DENG ZHIJING ; ZHU FENG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN200999893YY3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2008</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</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>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>TAPS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>DENG ZHIJING</creatorcontrib><creatorcontrib>ZHU FENG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DENG ZHIJING</au><au>ZHU FENG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Pressure holding valve</title><date>2008-01-02</date><risdate>2008</risdate><abstract>A pressure maintaining valve. The utility model is comprised of a valve body (24), a valve core (25), a gas inlet component, a gas outlet component, a needle valve (10), a retaining mechanism and a spring pressure adjusting mechanism, a gas inlet cavity and a gas outlet cavity are arranged in the middle of the valve body (24), concentric perforated round holes (26) are arranged at the both ends of the cavity, a valve seat (8) is arranged in the middle, a section of cone hole is arranged on the valve seat, a valve core (25) is arranged in the hollow cavity, the sealing axles (1 and 12) at the both ends of the valve core are matched with the round holes (26) at the both ends of the hollow cavity, a cone body (9) which taper degree is smaller than the taper degree of the cone hole on the valve seat (8) is arranged in the middle of the valve core (25), the cone body (9) and the cone hole are matched at a contacting position (d) in a linear sealing way, and gas inlet and outlet parts connected with the hollow cavi</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN200999893YY |
| source | esp@cenet |
| subjects | ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | Pressure holding valve |
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