Natural gas safety valve
The invention provides a natural gas safety valve. The natural gas safety valve comprises a valve body, a valve cover, a gas inlet adapter, a support, a baffle and a microswitch, wherein the gas inlet adapter is connected with the valve body; the valve body is connected with the valve cover; the sup...
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| creator | YE CHANGNAN ZHOU HUABO PAN WEI |
| description | The invention provides a natural gas safety valve. The natural gas safety valve comprises a valve body, a valve cover, a gas inlet adapter, a support, a baffle and a microswitch, wherein the gas inlet adapter is connected with the valve body; the valve body is connected with the valve cover; the support is connected with the valve cover by a bolt; the baffle, the microswitch and the support are fixed by bolts and nuts; the valve body and the valve cover form a cavity; a valve element assembly is arranged in the cavity; when the medium pressure in a fuel gas system pipeline exceeds a normal value, under the effect of the medium pressure, the valve element assembly is subjected to axial displacement towards the microswitch, the microswitch is triggered to cut off a circuit; a reset spring is mounted between the upper end face of the valve element assembly and the lower end face of the valve cover; when the medium pressure recovers to a normal value, under the effect of the reset spring, the valve element assemb |
| format | Patent |
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The natural gas safety valve comprises a valve body, a valve cover, a gas inlet adapter, a support, a baffle and a microswitch, wherein the gas inlet adapter is connected with the valve body; the valve body is connected with the valve cover; the support is connected with the valve cover by a bolt; the baffle, the microswitch and the support are fixed by bolts and nuts; the valve body and the valve cover form a cavity; a valve element assembly is arranged in the cavity; when the medium pressure in a fuel gas system pipeline exceeds a normal value, under the effect of the medium pressure, the valve element assembly is subjected to axial displacement towards the microswitch, the microswitch is triggered to cut off a circuit; a reset spring is mounted between the upper end face of the valve element assembly and the lower end face of the valve cover; when the medium pressure recovers to a normal value, under the effect of the reset spring, the valve element assemb</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>2014</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=20140917&DB=EPODOC&CC=CN&NR=104048081A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140917&DB=EPODOC&CC=CN&NR=104048081A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YE CHANGNAN</creatorcontrib><creatorcontrib>ZHOU HUABO</creatorcontrib><creatorcontrib>PAN WEI</creatorcontrib><title>Natural gas safety valve</title><description>The invention provides a natural gas safety valve. The natural gas safety valve comprises a valve body, a valve cover, a gas inlet adapter, a support, a baffle and a microswitch, wherein the gas inlet adapter is connected with the valve body; the valve body is connected with the valve cover; the support is connected with the valve cover by a bolt; the baffle, the microswitch and the support are fixed by bolts and nuts; the valve body and the valve cover form a cavity; a valve element assembly is arranged in the cavity; when the medium pressure in a fuel gas system pipeline exceeds a normal value, under the effect of the medium pressure, the valve element assembly is subjected to axial displacement towards the microswitch, the microswitch is triggered to cut off a circuit; a reset spring is mounted between the upper end face of the valve element assembly and the lower end face of the valve cover; when the medium pressure recovers to a normal value, under the effect of the reset spring, the valve element assemb</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>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJDwSywpLUrMUUhPLFYoTkxLLalUKEvMKUvlYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxzn6GBiYGJhYGFoaOxsSoAQDjWyIP</recordid><startdate>20140917</startdate><enddate>20140917</enddate><creator>YE CHANGNAN</creator><creator>ZHOU HUABO</creator><creator>PAN WEI</creator><scope>EVB</scope></search><sort><creationdate>20140917</creationdate><title>Natural gas safety valve</title><author>YE CHANGNAN ; ZHOU HUABO ; PAN WEI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN104048081A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2014</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>YE CHANGNAN</creatorcontrib><creatorcontrib>ZHOU HUABO</creatorcontrib><creatorcontrib>PAN WEI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YE CHANGNAN</au><au>ZHOU HUABO</au><au>PAN WEI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Natural gas safety valve</title><date>2014-09-17</date><risdate>2014</risdate><abstract>The invention provides a natural gas safety valve. The natural gas safety valve comprises a valve body, a valve cover, a gas inlet adapter, a support, a baffle and a microswitch, wherein the gas inlet adapter is connected with the valve body; the valve body is connected with the valve cover; the support is connected with the valve cover by a bolt; the baffle, the microswitch and the support are fixed by bolts and nuts; the valve body and the valve cover form a cavity; a valve element assembly is arranged in the cavity; when the medium pressure in a fuel gas system pipeline exceeds a normal value, under the effect of the medium pressure, the valve element assembly is subjected to axial displacement towards the microswitch, the microswitch is triggered to cut off a circuit; a reset spring is mounted between the upper end face of the valve element assembly and the lower end face of the valve cover; when the medium pressure recovers to a normal value, under the effect of the reset spring, the valve element assemb</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| 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 | Natural gas safety valve |
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