CA3042108C - Anti-pollution micro-resistance slow-closing check valve and industrial drainage system - Google Patents

Anti-pollution micro-resistance slow-closing check valve and industrial drainage system Download PDF

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Publication number
CA3042108C
CA3042108C CA3042108A CA3042108A CA3042108C CA 3042108 C CA3042108 C CA 3042108C CA 3042108 A CA3042108 A CA 3042108A CA 3042108 A CA3042108 A CA 3042108A CA 3042108 C CA3042108 C CA 3042108C
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CA
Canada
Prior art keywords
piston
medium
chamber
valve
check valve
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
CA3042108A
Other languages
English (en)
French (fr)
Other versions
CA3042108A1 (en
Inventor
Ziming KOU
Juan Wu
Jing Zhang
Yanfei KOU
Peng Zhang
Sijia MENG
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.)
Taiyuan University of Technology
Original Assignee
Taiyuan University of Technology
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 Taiyuan University of Technology filed Critical Taiyuan University of Technology
Publication of CA3042108A1 publication Critical patent/CA3042108A1/en
Application granted granted Critical
Publication of CA3042108C publication Critical patent/CA3042108C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Check Valves (AREA)
  • Water Treatment By Sorption (AREA)
  • Details Of Valves (AREA)
CA3042108A 2016-09-28 2016-09-28 Anti-pollution micro-resistance slow-closing check valve and industrial drainage system Active CA3042108C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/100552 WO2018058364A1 (zh) 2016-09-28 2016-09-28 防污染型微阻缓闭止回阀及工业排水系统

Publications (2)

Publication Number Publication Date
CA3042108A1 CA3042108A1 (en) 2018-04-05
CA3042108C true CA3042108C (en) 2020-04-07

Family

ID=61763515

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3042108A Active CA3042108C (en) 2016-09-28 2016-09-28 Anti-pollution micro-resistance slow-closing check valve and industrial drainage system

Country Status (4)

Country Link
AU (1) AU2016424703B2 (zh)
CA (1) CA3042108C (zh)
IL (1) IL259594B2 (zh)
WO (1) WO2018058364A1 (zh)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1054911C (zh) * 1994-12-05 2000-07-26 株式会社横田制作所 无水击止回阀装置
CN2399577Y (zh) * 1999-11-24 2000-10-04 刘庆 自控消声止回阀
CN2423461Y (zh) * 2000-05-17 2001-03-14 上海正丰阀门制造有限公司 活塞式缓闭止回阀
JP5208396B2 (ja) * 2006-10-10 2013-06-12 株式会社荏原製作所 真空下水道用弁、真空式下水道システム
CN102410203B (zh) * 2011-10-25 2014-08-27 太原理工大学 一种用于煤矿井下排水系统的液压缓阻水泵阀
CN103542142B (zh) * 2012-07-11 2016-03-09 上海神通企业发展有限公司 一种自力式止回阀
CN203286063U (zh) * 2013-06-08 2013-11-13 正丰阀门集团有限公司 缓闭静音轴流式止回阀
US9360133B2 (en) * 2014-10-14 2016-06-07 Kennedy Valve Company Cushioned check valve
CN204922108U (zh) * 2015-09-15 2015-12-30 明珠阀门集团有限公司 一种液控缓闭型立式止回阀

Also Published As

Publication number Publication date
WO2018058364A1 (zh) 2018-04-05
AU2016424703B2 (en) 2020-09-17
CA3042108A1 (en) 2018-04-05
AU2016424703A1 (en) 2019-05-16
IL259594B2 (en) 2023-08-01
IL259594B1 (en) 2023-04-01
IL259594A (en) 2018-07-31

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Effective date: 20190429