CN1940364A - 止回阀助关装置 - Google Patents
止回阀助关装置 Download PDFInfo
- Publication number
- CN1940364A CN1940364A CN 200510030069 CN200510030069A CN1940364A CN 1940364 A CN1940364 A CN 1940364A CN 200510030069 CN200510030069 CN 200510030069 CN 200510030069 A CN200510030069 A CN 200510030069A CN 1940364 A CN1940364 A CN 1940364A
- Authority
- CN
- China
- Prior art keywords
- close
- check valve
- piston rod
- assisted cylinder
- assisted
- 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.)
- Granted
Links
Images
Landscapes
- Fluid-Driven Valves (AREA)
- Check Valves (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB200510030069XA CN100387880C (zh) | 2005-09-28 | 2005-09-28 | 止回阀助关装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB200510030069XA CN100387880C (zh) | 2005-09-28 | 2005-09-28 | 止回阀助关装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1940364A true CN1940364A (zh) | 2007-04-04 |
CN100387880C CN100387880C (zh) | 2008-05-14 |
Family
ID=37958782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB200510030069XA Expired - Fee Related CN100387880C (zh) | 2005-09-28 | 2005-09-28 | 止回阀助关装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100387880C (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102434690A (zh) * | 2011-12-01 | 2012-05-02 | 辽宁能发伟业能源科技有限公司 | 一种止回阀的助开方法及助开装置 |
CN106917907A (zh) * | 2015-12-26 | 2017-07-04 | 中国石油天然气集团公司 | 一种用于单向阻尼阀的气动执行机构 |
TWI795905B (zh) * | 2021-09-09 | 2023-03-11 | 新加坡商鴻運科股份有限公司 | 閥 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1402884A (en) * | 1972-08-03 | 1975-08-13 | Daytona Butterfly Valves Ltd | Butterfly valve actuating mechanism |
JPS5828060A (ja) * | 1981-08-08 | 1983-02-18 | Showa Valve Kogyo Kk | 複合バタフライ逆止弁 |
CN86209336U (zh) * | 1986-11-19 | 1987-11-07 | 杨树蔚 | 节能缓闭止回碟阀 |
CN2155482Y (zh) * | 1993-04-15 | 1994-02-09 | 武汉水利电力大学 | 自压式多能程控阀 |
US5831952A (en) * | 1995-07-27 | 1998-11-03 | Matsushita Electric Industrial Co., Ltd. | Optical disk thickness discriminating apparatus |
CN2436740Y (zh) * | 2000-08-08 | 2001-06-27 | 黄作兴 | 抽汽止回阀装置 |
CN2708065Y (zh) * | 2004-05-20 | 2005-07-06 | 武汉大禹阀门制造有限公司 | 液控止回半球阀 |
CN2700659Y (zh) * | 2004-06-03 | 2005-05-18 | 安徽铜都阀门有限公司 | 一种微阻缓闭止回阀 |
-
2005
- 2005-09-28 CN CNB200510030069XA patent/CN100387880C/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102434690A (zh) * | 2011-12-01 | 2012-05-02 | 辽宁能发伟业能源科技有限公司 | 一种止回阀的助开方法及助开装置 |
CN106917907A (zh) * | 2015-12-26 | 2017-07-04 | 中国石油天然气集团公司 | 一种用于单向阻尼阀的气动执行机构 |
CN106917907B (zh) * | 2015-12-26 | 2019-10-11 | 中国石油天然气集团公司 | 一种用于单向阻尼阀的气动执行机构 |
TWI795905B (zh) * | 2021-09-09 | 2023-03-11 | 新加坡商鴻運科股份有限公司 | 閥 |
Also Published As
Publication number | Publication date |
---|---|
CN100387880C (zh) | 2008-05-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108413175A (zh) | 基于棘轮的液压驱动双向式蠕动机器人及行走、转向方法 | |
US8328536B2 (en) | Cranked rod pump apparatus | |
CN100387880C (zh) | 止回阀助关装置 | |
AU2013207645B2 (en) | Cranked rod pump apparatus and method | |
RU2622729C2 (ru) | Поршневой компрессор с клапаном синхронизации и связанный с ним способ | |
CN102434690A (zh) | 一种止回阀的助开方法及助开装置 | |
CN110513514A (zh) | 一种双瓣轴流式止回阀 | |
CN201265674Y (zh) | 管力控制阀双阀板控制结构 | |
CN103321975B (zh) | 一种低-高压软启动液压油源系统 | |
CN208564666U (zh) | 一种无级调节发动机气门升程的液压凸轮轴装置 | |
US6336389B1 (en) | High-pressure pneumatic and liquid injection apparatus | |
US20090068026A1 (en) | Downhole Pump | |
CN203051024U (zh) | 一种调量注入泵 | |
JP7488580B2 (ja) | 液体圧送装置 | |
CN2835643Y (zh) | 一种液体压力泵 | |
CN2878822Y (zh) | 智能自控阀 | |
CN102489035A (zh) | 用隔膜计量泵作为机械脉冲发生器的脉冲萃取塔及其方法 | |
CN107740746B (zh) | 一种可自动增压的波浪能装置能量提取系统 | |
CN207298036U (zh) | 对夹法兰中心液动式阀门 | |
CN2842004Y (zh) | 一种液体预压泵 | |
CN216044362U (zh) | 一种柱塞泵的柱塞连杆的传动结构 | |
CN203671007U (zh) | 一种零水损无噪音自控水泵控制阀 | |
RU2422684C2 (ru) | Насос | |
CN114526242B (zh) | 一种高效率低噪音自吸泵 | |
CN2594564Y (zh) | 多功能控制蝶阀 |
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 | ||
ASS | Succession or assignment of patent right |
Owner name: JIANGNAN VALVES CO., LTD. Free format text: FORMER OWNER: HUANG ZUOXING Effective date: 20081114 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081114 Address after: No. 616, Airport Avenue, Wenzhou, Zhejiang Patentee after: Jiangnan Valve Co., Ltd. Address before: No. 616, Airport Avenue, Wenzhou, Zhejiang Patentee before: Huang Zuoxing |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20170928 |
|
CF01 | Termination of patent right due to non-payment of annual fee |