Flow rate control valve
Provided is a flow rate control valve that is capable of suppressing contamination of a controlled fluid by particles, maintaining a high level of cleanness of the controlled fluid, and rapidly controlling a minute flow. The flow rate control valve comprises a valve block (2), a diaphragm (1), and a...
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| creator | SHINMURA, HIDENOBU NOGUCHI, MICHITAKA TSUTSUMI, RYOSUKE KIDO, KEIJI FUKUDA, MASARU |
| description | Provided is a flow rate control valve that is capable of suppressing contamination of a controlled fluid by particles, maintaining a high level of cleanness of the controlled fluid, and rapidly controlling a minute flow. The flow rate control valve comprises a valve block (2), a diaphragm (1), and an actuator (3). Due to minute pressure received by the diaphragm (1) from the actuator (3), a fluid which has flowed through one flow path formed in an upstream part (2a) of the valve block (2) passes through a gap between an inner surface of the valve block (2) and an inner surface of the diaphragm (1), and is discharged from another flow path formed in a downstream part (2b) of the valve block (2). A peripheral part of the diaphragm (1) and an upper end surface of the valve block (2) are welded so as to be integral with each other. There is no level difference or gap between the inner peripheral surface of the diaphragm (1) and the inner peripheral surface of the valve block (2) at the welded part, and the inner |
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The flow rate control valve comprises a valve block (2), a diaphragm (1), and an actuator (3). Due to minute pressure received by the diaphragm (1) from the actuator (3), a fluid which has flowed through one flow path formed in an upstream part (2a) of the valve block (2) passes through a gap between an inner surface of the valve block (2) and an inner surface of the diaphragm (1), and is discharged from another flow path formed in a downstream part (2b) of the valve block (2). A peripheral part of the diaphragm (1) and an upper end surface of the valve block (2) are welded so as to be integral with each other. There is no level difference or gap between the inner peripheral surface of the diaphragm (1) and the inner peripheral surface of the valve block (2) at the welded part, and the inner</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>2023</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=20231016&DB=EPODOC&CC=TW&NR=202340630A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231016&DB=EPODOC&CC=TW&NR=202340630A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHINMURA, HIDENOBU</creatorcontrib><creatorcontrib>NOGUCHI, MICHITAKA</creatorcontrib><creatorcontrib>TSUTSUMI, RYOSUKE</creatorcontrib><creatorcontrib>KIDO, KEIJI</creatorcontrib><creatorcontrib>FUKUDA, MASARU</creatorcontrib><title>Flow rate control valve</title><description>Provided is a flow rate control valve that is capable of suppressing contamination of a controlled fluid by particles, maintaining a high level of cleanness of the controlled fluid, and rapidly controlling a minute flow. 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The flow rate control valve comprises a valve block (2), a diaphragm (1), and an actuator (3). Due to minute pressure received by the diaphragm (1) from the actuator (3), a fluid which has flowed through one flow path formed in an upstream part (2a) of the valve block (2) passes through a gap between an inner surface of the valve block (2) and an inner surface of the diaphragm (1), and is discharged from another flow path formed in a downstream part (2b) of the valve block (2). A peripheral part of the diaphragm (1) and an upper end surface of the valve block (2) are welded so as to be integral with each other. There is no level difference or gap between the inner peripheral surface of the diaphragm (1) and the inner peripheral surface of the valve block (2) at the welded part, and the inner</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 | Flow rate control valve |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-19T06%3A44%3A36IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=SHINMURA,%20HIDENOBU&rft.date=2023-10-16&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3ETW202340630A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |