FR2714954B1 - Device for automatically returning the rotary shaft of a stop valve to the open or closed position. - Google Patents
Device for automatically returning the rotary shaft of a stop valve to the open or closed position.Info
- Publication number
- FR2714954B1 FR2714954B1 FR9400113A FR9400113A FR2714954B1 FR 2714954 B1 FR2714954 B1 FR 2714954B1 FR 9400113 A FR9400113 A FR 9400113A FR 9400113 A FR9400113 A FR 9400113A FR 2714954 B1 FR2714954 B1 FR 2714954B1
- Authority
- FR
- France
- Prior art keywords
- open
- closed position
- rotary shaft
- stop valve
- automatically returning
- 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
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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9400113A FR2714954B1 (en) | 1994-01-07 | 1994-01-07 | Device for automatically returning the rotary shaft of a stop valve to the open or closed position. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9400113A FR2714954B1 (en) | 1994-01-07 | 1994-01-07 | Device for automatically returning the rotary shaft of a stop valve to the open or closed position. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2714954A1 FR2714954A1 (en) | 1995-07-13 |
FR2714954B1 true FR2714954B1 (en) | 1996-03-29 |
Family
ID=9458834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9400113A Expired - Fee Related FR2714954B1 (en) | 1994-01-07 | 1994-01-07 | Device for automatically returning the rotary shaft of a stop valve to the open or closed position. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2714954B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101526147B (en) * | 2008-03-07 | 2012-10-03 | 李冠军 | Pointer type safety valve |
CN104913084A (en) * | 2014-03-11 | 2015-09-16 | 台州巨航自动化设备科技有限公司 | Air source safety stop valve |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4108050A (en) * | 1974-08-14 | 1978-08-22 | Paynter Henry M | Fluid-driven torsional operators for turning rotary valves and the like |
-
1994
- 1994-01-07 FR FR9400113A patent/FR2714954B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2714954A1 (en) | 1995-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |