CHECK VALVE
PROBLEM TO BE SOLVED: To effectively suppress an occurrence or the like of rattling noise in a check valve while improving durability of the check valve by smoothly operating a check member after stabilizing behavior of the check member. SOLUTION: An inlet path (17), a check valve chamber (18), and...
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| creator | HIRAGAMI YASUSHI |
| description | PROBLEM TO BE SOLVED: To effectively suppress an occurrence or the like of rattling noise in a check valve while improving durability of the check valve by smoothly operating a check member after stabilizing behavior of the check member. SOLUTION: An inlet path (17), a check valve chamber (18), and an outlet path (19) are formed inside a housing (2) in turn. A check valve seat (20) is formed around the outlet path (19) opened to the check valve chamber (18). The check member (21) is inserted into the check valve chamber (18) so as to be advanceable/retreatable to/from the check valve seat (20). The check member (21) is elastically pressed to the check valve seat (20) side with a valve opening spring (22). The check member (21) is pressed in a direction of being separated from the check valve seat (20) against an elastic pressing force of the valve opening spring (22) by differential pressure between gas pressure inside the outlet path (19) and gas pressure larger than the gas pressure inside the outlet path and flowing in from the inlet path (17). A plurality of support members (24) are provided around the check member (21) so as to allow the support members (24) to slide on the inner face of the check valve chamber (18). COPYRIGHT: (C)2007,JPO&INPIT |
| format | Patent |
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SOLUTION: An inlet path (17), a check valve chamber (18), and an outlet path (19) are formed inside a housing (2) in turn. A check valve seat (20) is formed around the outlet path (19) opened to the check valve chamber (18). The check member (21) is inserted into the check valve chamber (18) so as to be advanceable/retreatable to/from the check valve seat (20). The check member (21) is elastically pressed to the check valve seat (20) side with a valve opening spring (22). The check member (21) is pressed in a direction of being separated from the check valve seat (20) against an elastic pressing force of the valve opening spring (22) by differential pressure between gas pressure inside the outlet path (19) and gas pressure larger than the gas pressure inside the outlet path and flowing in from the inlet path (17). A plurality of support members (24) are provided around the check member (21) so as to allow the support members (24) to slide on the inner face of the check valve chamber (18). COPYRIGHT: (C)2007,JPO&INPIT</description><language>eng</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; 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 ; STORING OF DISTRIBUTING GASES OR LIQUIDS ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES ; WEAPONS</subject><creationdate>2007</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=20070719&DB=EPODOC&CC=JP&NR=2007182928A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070719&DB=EPODOC&CC=JP&NR=2007182928A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HIRAGAMI YASUSHI</creatorcontrib><title>CHECK VALVE</title><description>PROBLEM TO BE SOLVED: To effectively suppress an occurrence or the like of rattling noise in a check valve while improving durability of the check valve by smoothly operating a check member after stabilizing behavior of the check member. SOLUTION: An inlet path (17), a check valve chamber (18), and an outlet path (19) are formed inside a housing (2) in turn. A check valve seat (20) is formed around the outlet path (19) opened to the check valve chamber (18). The check member (21) is inserted into the check valve chamber (18) so as to be advanceable/retreatable to/from the check valve seat (20). The check member (21) is elastically pressed to the check valve seat (20) side with a valve opening spring (22). The check member (21) is pressed in a direction of being separated from the check valve seat (20) against an elastic pressing force of the valve opening spring (22) by differential pressure between gas pressure inside the outlet path (19) and gas pressure larger than the gas pressure inside the outlet path and flowing in from the inlet path (17). A plurality of support members (24) are provided around the check member (21) so as to allow the support members (24) to slide on the inner face of the check valve chamber (18). 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SOLUTION: An inlet path (17), a check valve chamber (18), and an outlet path (19) are formed inside a housing (2) in turn. A check valve seat (20) is formed around the outlet path (19) opened to the check valve chamber (18). The check member (21) is inserted into the check valve chamber (18) so as to be advanceable/retreatable to/from the check valve seat (20). The check member (21) is elastically pressed to the check valve seat (20) side with a valve opening spring (22). The check member (21) is pressed in a direction of being separated from the check valve seat (20) against an elastic pressing force of the valve opening spring (22) by differential pressure between gas pressure inside the outlet path (19) and gas pressure larger than the gas pressure inside the outlet path and flowing in from the inlet path (17). A plurality of support members (24) are provided around the check member (21) so as to allow the support members (24) to slide on the inner face of the check valve chamber (18). COPYRIGHT: (C)2007,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_JP2007182928A |
| source | esp@cenet |
| subjects | ACTUATING-FLOATS BLASTING COCKS 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 STORING OF DISTRIBUTING GASES OR LIQUIDS TAPS THERMAL INSULATION IN GENERAL VALVES VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS |
| title | CHECK VALVE |
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