Vacuum breaking device
A vacuum breaking device includes a housing, a sealing base, a floating cup and a sealing ring. The housing has a liquid inlet, a liquid outlet and an air passageway. The sealing base is installed in the air passageway, and the floating cup is installed in an inner chamber of the sealing base. The s...
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| creator | GAO JERRY QIU THOMAS |
| description | A vacuum breaking device includes a housing, a sealing base, a floating cup and a sealing ring. The housing has a liquid inlet, a liquid outlet and an air passageway. The sealing base is installed in the air passageway, and the floating cup is installed in an inner chamber of the sealing base. The sealing ring is fitted around an upper end of the floating cup for properly sealing the outer-air inlet in the upper portion of the sealing base and communicating with the inner chamber. The floating cup has an annular flange for increasing the buoyancy of the floating cup, so that the outer-air inlet may be quickly sealed up. The annular flange has plural air paths, so the vacuum condition may be broken immediately when a vacuum pressure is produced in the device. |
| format | Patent |
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The sealing base is installed in the air passageway, and the floating cup is installed in an inner chamber of the sealing base. The sealing ring is fitted around an upper end of the floating cup for properly sealing the outer-air inlet in the upper portion of the sealing base and communicating with the inner chamber. The floating cup has an annular flange for increasing the buoyancy of the floating cup, so that the outer-air inlet may be quickly sealed up. The annular flange has plural air paths, so the vacuum condition may be broken immediately when a vacuum pressure is produced in the device.</description><language>eng</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; DEVICES FOR VENTING OR AERATING ; DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER ; ENGINEERING ELEMENTS AND UNITS ; FIXED CONSTRUCTIONS ; 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 ; LIGHTING ; MECHANICAL ENGINEERING ; SEWERAGE ; SINKS ; 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 ; WATER SUPPLY ; WEAPONS</subject><creationdate>2009</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=20090526&DB=EPODOC&CC=US&NR=7537020B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090526&DB=EPODOC&CC=US&NR=7537020B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GAO JERRY</creatorcontrib><creatorcontrib>QIU THOMAS</creatorcontrib><title>Vacuum breaking device</title><description>A vacuum breaking device includes a housing, a sealing base, a floating cup and a sealing ring. The housing has a liquid inlet, a liquid outlet and an air passageway. The sealing base is installed in the air passageway, and the floating cup is installed in an inner chamber of the sealing base. The sealing ring is fitted around an upper end of the floating cup for properly sealing the outer-air inlet in the upper portion of the sealing base and communicating with the inner chamber. The floating cup has an annular flange for increasing the buoyancy of the floating cup, so that the outer-air inlet may be quickly sealed up. The annular flange has plural air paths, so the vacuum condition may be broken immediately when a vacuum pressure is produced in the device.</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FIXED CONSTRUCTIONS</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>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>SEWERAGE</subject><subject>SINKS</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>WATER SUPPLY</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBALS0wuLc1VSCpKTczOzEtXSEkty0xO5WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8aHB5qbG5gZGBk5GxkQoAQBZYCEj</recordid><startdate>20090526</startdate><enddate>20090526</enddate><creator>GAO JERRY</creator><creator>QIU THOMAS</creator><scope>EVB</scope></search><sort><creationdate>20090526</creationdate><title>Vacuum breaking device</title><author>GAO JERRY ; QIU THOMAS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US7537020B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2009</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FIXED CONSTRUCTIONS</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>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>SEWERAGE</topic><topic>SINKS</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>WATER SUPPLY</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>GAO JERRY</creatorcontrib><creatorcontrib>QIU THOMAS</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GAO JERRY</au><au>QIU THOMAS</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Vacuum breaking device</title><date>2009-05-26</date><risdate>2009</risdate><abstract>A vacuum breaking device includes a housing, a sealing base, a floating cup and a sealing ring. The housing has a liquid inlet, a liquid outlet and an air passageway. The sealing base is installed in the air passageway, and the floating cup is installed in an inner chamber of the sealing base. The sealing ring is fitted around an upper end of the floating cup for properly sealing the outer-air inlet in the upper portion of the sealing base and communicating with the inner chamber. The floating cup has an annular flange for increasing the buoyancy of the floating cup, so that the outer-air inlet may be quickly sealed up. The annular flange has plural air paths, so the vacuum condition may be broken immediately when a vacuum pressure is produced in the device.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS 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 LIGHTING MECHANICAL ENGINEERING SEWERAGE SINKS 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 WATER SUPPLY WEAPONS |
| title | Vacuum breaking device |
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