Safety valve for the outer vessel of a double wall vacuum-insulated storage tank for low boiling liquified gases
Zur Sicherung des Außenbehälters (2) von doppelwandigen vakuumisolierten Speicherbehältern für tiefsiedende verflüssigte Gase gegen Druckanstieg im Isolationsraum bei Bruch des Vakuums dienen Ventile, die aus einem im Außenbehälter befestigten Ventilgehäuse (1), einem Dichtstopfen (3) und einem O-Ri...
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creator | HENNEBORN, ROLAND HOLSTEIN, GUNTER FIESELER, HEINRICH |
description | Zur Sicherung des Außenbehälters (2) von doppelwandigen vakuumisolierten Speicherbehältern für tiefsiedende verflüssigte Gase gegen Druckanstieg im Isolationsraum bei Bruch des Vakuums dienen Ventile, die aus einem im Außenbehälter befestigten Ventilgehäuse (1), einem Dichtstopfen (3) und einem O-Ring (4) als Dichtelement bestehen. Der O-Ring wird ausschließlich in axialer Richtung verformt durch den Druckunterschied zwischen Atmosphäre und Vakuum und eine zusätzliche Federkraft. Bei einem besonders für Kleinbehälter geeigneten Ventil wird der O-Ring infolge der Abmessungen von Ventilgehäuse und Dichtstopfen radial und gleichzeitig axial ausschließlich durch Einwirkung des äußeren Luftdruckes verformt.
In order to secure the outer vessel (2) of double-walled vacuum-insulated storage tanks for low boiling liquefied gases against an increase in pressure in the insulation space in the event of failure of the vacuum, valves are used which consist of a valve housing (1), mounted in the outer vessel, a sealing plug (3) and an O-ring (4), as the sealing element. The O-ring is deformed exclusively in the axial direction by the pressure difference between the atmosphere and the vacuum and an additional spring force. This valve is little suited to small vessels, inter alia because of the relatively large structural volume resulting from the spring. In a valve which is particularly suitable for small vessels, the O ring is thus deformed radially and, at the same time, axially, exclusively under the influence of the external air pressure, as a consequence of the dimensions of the valve housing and the sealing plug. |
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In order to secure the outer vessel (2) of double-walled vacuum-insulated storage tanks for low boiling liquefied gases against an increase in pressure in the insulation space in the event of failure of the vacuum, valves are used which consist of a valve housing (1), mounted in the outer vessel, a sealing plug (3) and an O-ring (4), as the sealing element. The O-ring is deformed exclusively in the axial direction by the pressure difference between the atmosphere and the vacuum and an additional spring force. This valve is little suited to small vessels, inter alia because of the relatively large structural volume resulting from the spring. In a valve which is particularly suitable for small vessels, the O ring is thus deformed radially and, at the same time, axially, exclusively under the influence of the external air pressure, as a consequence of the dimensions of the valve housing and the sealing plug.</description><language>eng ; fre ; ger</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; CYLINDERS ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES ; FIXED-CAPACITY GAS-HOLDERS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; PISTONS ; SEALINGS ; STORING OF DISTRIBUTING GASES OR LIQUIDS ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES ; WEAPONS</subject><creationdate>1989</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=19890222&DB=EPODOC&CC=EP&NR=0303860A2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19890222&DB=EPODOC&CC=EP&NR=0303860A2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HENNEBORN, ROLAND</creatorcontrib><creatorcontrib>HOLSTEIN, GUNTER</creatorcontrib><creatorcontrib>FIESELER, HEINRICH</creatorcontrib><title>Safety valve for the outer vessel of a double wall vacuum-insulated storage tank for low boiling liquified gases</title><description>Zur Sicherung des Außenbehälters (2) von doppelwandigen vakuumisolierten Speicherbehältern für tiefsiedende verflüssigte Gase gegen Druckanstieg im Isolationsraum bei Bruch des Vakuums dienen Ventile, die aus einem im Außenbehälter befestigten Ventilgehäuse (1), einem Dichtstopfen (3) und einem O-Ring (4) als Dichtelement bestehen. Der O-Ring wird ausschließlich in axialer Richtung verformt durch den Druckunterschied zwischen Atmosphäre und Vakuum und eine zusätzliche Federkraft. Bei einem besonders für Kleinbehälter geeigneten Ventil wird der O-Ring infolge der Abmessungen von Ventilgehäuse und Dichtstopfen radial und gleichzeitig axial ausschließlich durch Einwirkung des äußeren Luftdruckes verformt.
In order to secure the outer vessel (2) of double-walled vacuum-insulated storage tanks for low boiling liquefied gases against an increase in pressure in the insulation space in the event of failure of the vacuum, valves are used which consist of a valve housing (1), mounted in the outer vessel, a sealing plug (3) and an O-ring (4), as the sealing element. The O-ring is deformed exclusively in the axial direction by the pressure difference between the atmosphere and the vacuum and an additional spring force. This valve is little suited to small vessels, inter alia because of the relatively large structural volume resulting from the spring. In a valve which is particularly suitable for small vessels, the O ring is thus deformed radially and, at the same time, axially, exclusively under the influence of the external air pressure, as a consequence of the dimensions of the valve housing and the sealing plug.</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>CYLINDERS</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES</subject><subject>FIXED-CAPACITY GAS-HOLDERS</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>PISTONS</subject><subject>SEALINGS</subject><subject>STORING OF DISTRIBUTING GASES OR LIQUIDS</subject><subject>TAPS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1989</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNzMEKglAQRmE3LaJ6h3kBQRKibYTRMqi9jPpfuzQ55tyr9PZJ9ACtzubjLJP-yg7hTSPLCHI6ULiDNAYMNMIMQuqIqdFYCWhikdnWMT5T31kUDmjIgg7cggJ3j-9DdKJKvfiuJfGv6J2fWcsGWycLx2LY_LpK6FTcjucUvZawnmt0CGVxyfIs3--ywzb_g3wApkhCsw</recordid><startdate>19890222</startdate><enddate>19890222</enddate><creator>HENNEBORN, ROLAND</creator><creator>HOLSTEIN, GUNTER</creator><creator>FIESELER, HEINRICH</creator><scope>EVB</scope></search><sort><creationdate>19890222</creationdate><title>Safety valve for the outer vessel of a double wall vacuum-insulated storage tank for low boiling liquified gases</title><author>HENNEBORN, ROLAND ; HOLSTEIN, GUNTER ; FIESELER, HEINRICH</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0303860A23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1989</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>CYLINDERS</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES</topic><topic>FIXED-CAPACITY GAS-HOLDERS</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>PISTONS</topic><topic>SEALINGS</topic><topic>STORING OF DISTRIBUTING GASES OR LIQUIDS</topic><topic>TAPS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>HENNEBORN, ROLAND</creatorcontrib><creatorcontrib>HOLSTEIN, GUNTER</creatorcontrib><creatorcontrib>FIESELER, HEINRICH</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HENNEBORN, ROLAND</au><au>HOLSTEIN, GUNTER</au><au>FIESELER, HEINRICH</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Safety valve for the outer vessel of a double wall vacuum-insulated storage tank for low boiling liquified gases</title><date>1989-02-22</date><risdate>1989</risdate><abstract>Zur Sicherung des Außenbehälters (2) von doppelwandigen vakuumisolierten Speicherbehältern für tiefsiedende verflüssigte Gase gegen Druckanstieg im Isolationsraum bei Bruch des Vakuums dienen Ventile, die aus einem im Außenbehälter befestigten Ventilgehäuse (1), einem Dichtstopfen (3) und einem O-Ring (4) als Dichtelement bestehen. Der O-Ring wird ausschließlich in axialer Richtung verformt durch den Druckunterschied zwischen Atmosphäre und Vakuum und eine zusätzliche Federkraft. Bei einem besonders für Kleinbehälter geeigneten Ventil wird der O-Ring infolge der Abmessungen von Ventilgehäuse und Dichtstopfen radial und gleichzeitig axial ausschließlich durch Einwirkung des äußeren Luftdruckes verformt.
In order to secure the outer vessel (2) of double-walled vacuum-insulated storage tanks for low boiling liquefied gases against an increase in pressure in the insulation space in the event of failure of the vacuum, valves are used which consist of a valve housing (1), mounted in the outer vessel, a sealing plug (3) and an O-ring (4), as the sealing element. The O-ring is deformed exclusively in the axial direction by the pressure difference between the atmosphere and the vacuum and an additional spring force. This valve is little suited to small vessels, inter alia because of the relatively large structural volume resulting from the spring. In a valve which is particularly suitable for small vessels, the O ring is thus deformed radially and, at the same time, axially, exclusively under the influence of the external air pressure, as a consequence of the dimensions of the valve housing and the sealing plug.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | ACTUATING-FLOATS BLASTING COCKS CYLINDERS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS STORING OF DISTRIBUTING GASES OR LIQUIDS TAPS THERMAL INSULATION IN GENERAL VALVES VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS |
title | Safety valve for the outer vessel of a double wall vacuum-insulated storage tank for low boiling liquified gases |
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