JP5189403B2 - 逆流防止装置 - Google Patents

逆流防止装置 Download PDF

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Publication number
JP5189403B2
JP5189403B2 JP2008122081A JP2008122081A JP5189403B2 JP 5189403 B2 JP5189403 B2 JP 5189403B2 JP 2008122081 A JP2008122081 A JP 2008122081A JP 2008122081 A JP2008122081 A JP 2008122081A JP 5189403 B2 JP5189403 B2 JP 5189403B2
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JP
Japan
Prior art keywords
valve body
flow path
valve
check valve
recess
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2008122081A
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English (en)
Japanese (ja)
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JP2009270643A (ja
JP2009270643A5 (https=
Inventor
雅春 松原
優一 竹田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shinshu University NUC
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Shinshu University NUC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shinshu University NUC filed Critical Shinshu University NUC
Priority to JP2008122081A priority Critical patent/JP5189403B2/ja
Priority to EP20090006032 priority patent/EP2116749B1/en
Priority to US12/387,250 priority patent/US8037899B2/en
Priority to CNA2009101405697A priority patent/CN101576193A/zh
Priority to CN201210066458.8A priority patent/CN102606840B/zh
Publication of JP2009270643A publication Critical patent/JP2009270643A/ja
Publication of JP2009270643A5 publication Critical patent/JP2009270643A5/ja
Application granted granted Critical
Publication of JP5189403B2 publication Critical patent/JP5189403B2/ja
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
    • F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/08—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for providing a large discharge passage
    • F16K17/085—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for providing a large discharge passage with diaphragm
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/3149—Back flow prevention by vacuum breaking [e.g., anti-siphon devices]
    • Y10T137/3185—Air vent in liquid flow line
    • Y10T137/3294—Valved
    • Y10T137/3331—With co-acting valve in liquid flow path
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7838—Plural
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7922—Spring biased
    • Y10T137/7929—Spring coaxial with valve
    • Y10T137/7939—Head between spring and guide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures
    • Y10T137/88054—Direct response normally closed valve limits direction of flow

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Safety Valves (AREA)
JP2008122081A 2008-05-08 2008-05-08 逆流防止装置 Active JP5189403B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2008122081A JP5189403B2 (ja) 2008-05-08 2008-05-08 逆流防止装置
EP20090006032 EP2116749B1 (en) 2008-05-08 2009-04-30 Backflow preventer
US12/387,250 US8037899B2 (en) 2008-05-08 2009-04-30 Backflow preventer
CNA2009101405697A CN101576193A (zh) 2008-05-08 2009-05-08 回流防止器
CN201210066458.8A CN102606840B (zh) 2008-05-08 2009-05-08 回流防止器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008122081A JP5189403B2 (ja) 2008-05-08 2008-05-08 逆流防止装置

Publications (3)

Publication Number Publication Date
JP2009270643A JP2009270643A (ja) 2009-11-19
JP2009270643A5 JP2009270643A5 (https=) 2011-12-15
JP5189403B2 true JP5189403B2 (ja) 2013-04-24

Family

ID=40973113

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008122081A Active JP5189403B2 (ja) 2008-05-08 2008-05-08 逆流防止装置

Country Status (4)

Country Link
US (1) US8037899B2 (https=)
EP (1) EP2116749B1 (https=)
JP (1) JP5189403B2 (https=)
CN (2) CN101576193A (https=)

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US20070049507A1 (en) 2005-08-31 2007-03-01 Chevron Oronite Technology B.V. Anti-wear composition for low sulfur, low sulfated ash and low phosphorus lubricating oil composition for heavy duty diesel engines
KR101622357B1 (ko) * 2009-02-26 2016-05-17 보르그워너 인코퍼레이티드 내연 기관
CN102032351B (zh) * 2009-09-24 2015-09-30 诺沃皮尼奥内有限公司 具有聚分流道的提升阀和减小总压力损失的方法
JP5387368B2 (ja) 2009-11-27 2014-01-15 ソニー株式会社 通信装置、通信システム、通信方法およびプログラム
US8997772B2 (en) 2010-09-07 2015-04-07 Zurn Industries, Llc Backflow prevention and method of manufacture
DE202011003322U1 (de) * 2011-02-28 2012-05-30 Alligator Ventilfabrik Gmbh Restdruckventil
US8689824B2 (en) 2011-03-21 2014-04-08 Idex Health & Science, Llc Disc check valve construction
KR102031171B1 (ko) * 2012-05-03 2019-10-11 보르그워너 인코퍼레이티드 바이패스 밸브, 특히 압축기 바이패스 밸브
MY180878A (en) * 2012-07-29 2020-12-11 Takahata Prec Japan Co Ltd Check valve
CN103343825B (zh) * 2013-07-01 2016-04-20 重庆建设摩托车股份有限公司 压缩机高压止回阀
CN103697198B (zh) * 2013-12-24 2016-06-22 泉州市沪航阀门制造有限公司 压差原理倒流防止器的双室控制机构
US10172442B2 (en) 2014-08-18 2019-01-08 Colgate-Palmolive Company Oral care implement
DE102016225533B4 (de) * 2016-12-20 2018-11-22 KSB SE & Co. KGaA Pumpenanordnung und Nuklearreaktor mit einer solchen Pumpenanordnung
US20190101109A1 (en) * 2017-10-02 2019-04-04 S.P.M. Flow Control, Inc. Valve stop
CN110159928B (zh) * 2018-02-13 2021-04-20 辛耘企业股份有限公司 流体控制装置
CN110645435B (zh) * 2018-06-26 2021-03-19 中国船舶重工集团公司第七一九研究所 可调阻尼低噪声孔板
CN112205862B (zh) * 2019-07-10 2025-10-24 广东新功电器有限公司 一种自动调节阀、加水机构以及水壶
CN110754934B (zh) * 2019-11-29 2021-09-21 广东新功电器有限公司 回流阀、加水机构及含有该机构的电热水壶
CN113108097A (zh) * 2021-04-06 2021-07-13 西安航天动力研究所 一种差动式双阀芯阀门结构
CN114294438B (zh) * 2021-12-31 2022-10-25 德阳京宇石油设备有限公司 一种具有紧急阻断功能的石油机械阀门
JP7224707B1 (ja) * 2022-12-06 2023-02-20 株式会社ジオックス サイフォン解消型逆流防止給水器

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Also Published As

Publication number Publication date
CN102606840B (zh) 2015-03-25
US8037899B2 (en) 2011-10-18
EP2116749A3 (en) 2011-03-09
CN101576193A (zh) 2009-11-11
EP2116749B1 (en) 2014-12-24
JP2009270643A (ja) 2009-11-19
CN102606840A (zh) 2012-07-25
EP2116749A2 (en) 2009-11-11
US20100032027A1 (en) 2010-02-11

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