CN100460730C - 止回球阀 - Google Patents
止回球阀 Download PDFInfo
- Publication number
- CN100460730C CN100460730C CNB2004100144678A CN200410014467A CN100460730C CN 100460730 C CN100460730 C CN 100460730C CN B2004100144678 A CNB2004100144678 A CN B2004100144678A CN 200410014467 A CN200410014467 A CN 200410014467A CN 100460730 C CN100460730 C CN 100460730C
- Authority
- CN
- China
- Prior art keywords
- flap
- spool
- check valve
- sealing surface
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 238000009432 framing Methods 0.000 claims description 11
- 210000004907 gland Anatomy 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 10
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Images
Landscapes
- Check Valves (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100144678A CN100460730C (zh) | 2004-03-26 | 2004-03-26 | 止回球阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100144678A CN100460730C (zh) | 2004-03-26 | 2004-03-26 | 止回球阀 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1563757A CN1563757A (zh) | 2005-01-12 |
CN100460730C true CN100460730C (zh) | 2009-02-11 |
Family
ID=34478385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100144678A Expired - Fee Related CN100460730C (zh) | 2004-03-26 | 2004-03-26 | 止回球阀 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100460730C (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103256410B (zh) * | 2012-02-21 | 2016-10-05 | 浙江三花股份有限公司 | 制冷系统及其球阀 |
CN108374913A (zh) * | 2018-04-10 | 2018-08-07 | 浙江理工大学 | 一种减振降噪止回球阀 |
RU2745664C1 (ru) * | 2020-08-27 | 2021-03-30 | Андрей Анатольевич Лысенко | Система пожаротушения колесного транспортного средства |
CN113915369B (zh) * | 2021-09-27 | 2024-05-24 | 沈阳泰科流体控制有限公司 | 一种具有蝶式止回阀功能的全焊接球阀 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2726645A1 (de) * | 1977-06-14 | 1978-12-21 | Janssen Weets Peter | Schaltkugelventil fuer leitungen mit durchstroemenden medien |
US4846221A (en) * | 1987-05-21 | 1989-07-11 | Kitz Corporation | Ball valve with built-in check valve |
US4932436A (en) * | 1989-04-28 | 1990-06-12 | Kitz Corporation | Ball valve |
US5305790A (en) * | 1992-02-28 | 1994-04-26 | Giacomini, S.P.A. | Ball valve |
JP2000179713A (ja) * | 1998-12-14 | 2000-06-27 | Ebara Corp | バルブ装置 |
CN2549281Y (zh) * | 2002-05-10 | 2003-05-07 | 陈会松 | 止回球阀 |
CN2648203Y (zh) * | 2003-09-05 | 2004-10-13 | 宁波志清实业有限公司 | 一种过流自动关闭球阀 |
CN2692439Y (zh) * | 2004-03-26 | 2005-04-13 | 卓旦春 | 止回球阀 |
-
2004
- 2004-03-26 CN CNB2004100144678A patent/CN100460730C/zh not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2726645A1 (de) * | 1977-06-14 | 1978-12-21 | Janssen Weets Peter | Schaltkugelventil fuer leitungen mit durchstroemenden medien |
US4846221A (en) * | 1987-05-21 | 1989-07-11 | Kitz Corporation | Ball valve with built-in check valve |
US4932436A (en) * | 1989-04-28 | 1990-06-12 | Kitz Corporation | Ball valve |
US5305790A (en) * | 1992-02-28 | 1994-04-26 | Giacomini, S.P.A. | Ball valve |
JP2000179713A (ja) * | 1998-12-14 | 2000-06-27 | Ebara Corp | バルブ装置 |
CN2549281Y (zh) * | 2002-05-10 | 2003-05-07 | 陈会松 | 止回球阀 |
CN2648203Y (zh) * | 2003-09-05 | 2004-10-13 | 宁波志清实业有限公司 | 一种过流自动关闭球阀 |
CN2692439Y (zh) * | 2004-03-26 | 2005-04-13 | 卓旦春 | 止回球阀 |
Also Published As
Publication number | Publication date |
---|---|
CN1563757A (zh) | 2005-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Woerda Copper Industry Co., Ltd. Assignor: Zhuo Danchun Contract fulfillment period: 2006.3.2 to 2016.2.10 Contract record no.: 2009330000793 Denomination of invention: Two-way ball check valve Granted publication date: 20090211 License type: Exclusive license Record date: 2009.4.24 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2006.3.2 TO 2016.2.10; CHANGE OF CONTRACT Name of requester: ZHEJIANG PROV WOERDA COPPER CO., LTD. Effective date: 20090424 |
|
ASS | Succession or assignment of patent right |
Owner name: VOLDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. Free format text: FORMER OWNER: ZHUO DANCHUN Effective date: 20140410 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 317608 TAIZHOU, ZHEJIANG PROVINCE TO: 223900 SUQIAN, JIANGSU PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20140410 Address after: Suqian City, Jiangsu province Shuang'gou 223900 west of Sihong County Economic Development Zone No. 388 Patentee after: WOERDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. Address before: 317608 reed industrial area, Luling Town, Zhejiang, Yuhuan County Patentee before: Zhuo Danchun |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170301 Address after: Jiangdong Road Jianye District of Nanjing City, Jiangsu province 210019 C Wanda Center No. 108 Room 501 Patentee after: Jiangsu Wo Hui Industrial Technology Group Limited Address before: Suqian City, Jiangsu province Shuang'gou 223900 west of Sihong County Economic Development Zone No. 388 Patentee before: WOERDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090211 Termination date: 20180326 |
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CF01 | Termination of patent right due to non-payment of annual fee |