Water hammer prevention device for check valve

The invention discloses a check valve for preventing water slug. It is characterized in that: in the short pipe (7), the braking pipe (15) with two openings forms a circumferential space (16) with the short pipe; on the braking pipe having an opening (17), and flexible pipes (18) are arranged around...

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Hauptverfasser:	MUROI AKIRA, MIURA TETSURO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
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creator	MUROI AKIRA MIURA TETSURO
description	The invention discloses a check valve for preventing water slug. It is characterized in that: in the short pipe (7), the braking pipe (15) with two openings forms a circumferential space (16) with the short pipe; on the braking pipe having an opening (17), and flexible pipes (18) are arranged around the opening; between the short pipe (7) and valve base (2) forming a connection between the circumferential space (16) and the flow circuit (3). When fluid reflows, making the flexible pipe (18) expand from the opening toward the circumferential space (16), and making a part of fluid of the circumferential space (16) flow channel (27), (35), (36), (37) to the flow circuit (3) of the upper side of the valve.
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It is characterized in that: in the short pipe (7), the braking pipe (15) with two openings forms a circumferential space (16) with the short pipe; on the braking pipe having an opening (17), and flexible pipes (18) are arranged around the opening; between the short pipe (7) and valve base (2) forming a connection between the circumferential space (16) and the flow circuit (3). When fluid reflows, making the flexible pipe (18) expand from the opening toward the circumferential space (16), and making a part of fluid of the circumferential space (16) flow channel (27), (35), (36), (37) to the flow circuit (3) of the upper side of the valve.</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=20080723&DB=EPODOC&CC=CN&NR=100404938C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080723&DB=EPODOC&CC=CN&NR=100404938C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MUROI AKIRA</creatorcontrib><creatorcontrib>MIURA TETSURO</creatorcontrib><title>Water hammer prevention device for check valve</title><description>The invention discloses a check valve for preventing water slug. It is characterized in that: in the short pipe (7), the braking pipe (15) with two openings forms a circumferential space (16) with the short pipe; on the braking pipe having an opening (17), and flexible pipes (18) are arranged around the opening; between the short pipe (7) and valve base (2) forming a connection between the circumferential space (16) and the flow circuit (3). When fluid reflows, making the flexible pipe (18) expand from the opening toward the circumferential space (16), and making a part of fluid of the circumferential space (16) flow channel (27), (35), (36), (37) to the flow circuit (3) of the upper side of the valve.</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>eNrjZNALTyxJLVLISMzNBVIFRallqXklmfl5CimpZZnJqQpp-UUKyRmpydkKZYk5Zak8DKxpiTnFqbxQmptByc01xNlDN7UgPz61uCAxOTUvtSTe2c_QwMDEwMTS2MLZ2ZgoRQBGSSr1</recordid><startdate>20080723</startdate><enddate>20080723</enddate><creator>MUROI AKIRA</creator><creator>MIURA TETSURO</creator><scope>EVB</scope></search><sort><creationdate>20080723</creationdate><title>Water hammer prevention device for check valve</title><author>MUROI AKIRA ; MIURA TETSURO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN100404938CC3</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>MUROI AKIRA</creatorcontrib><creatorcontrib>MIURA TETSURO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MUROI AKIRA</au><au>MIURA TETSURO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Water hammer prevention device for check valve</title><date>2008-07-23</date><risdate>2008</risdate><abstract>The invention discloses a check valve for preventing water slug. It is characterized in that: in the short pipe (7), the braking pipe (15) with two openings forms a circumferential space (16) with the short pipe; on the braking pipe having an opening (17), and flexible pipes (18) are arranged around the opening; between the short pipe (7) and valve base (2) forming a connection between the circumferential space (16) and the flow circuit (3). When fluid reflows, making the flexible pipe (18) expand from the opening toward the circumferential space (16), and making a part of fluid of the circumferential space (16) flow channel (27), (35), (36), (37) to the flow circuit (3) of the upper side of the valve.</abstract><oa>free_for_read</oa></addata></record>
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language	chi ; eng
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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	Water hammer prevention device for check valve
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