FR2349776A1 - Dispositif de securite pour soupape a clapet pilote - Google Patents
Dispositif de securite pour soupape a clapet piloteInfo
- Publication number
- FR2349776A1 FR2349776A1 FR7612451A FR7612451A FR2349776A1 FR 2349776 A1 FR2349776 A1 FR 2349776A1 FR 7612451 A FR7612451 A FR 7612451A FR 7612451 A FR7612451 A FR 7612451A FR 2349776 A1 FR2349776 A1 FR 2349776A1
- Authority
- FR
- France
- Prior art keywords
- safety device
- pilot valve
- valve safety
- pilot
- 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.)
- Granted
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
- 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
- F16K17/10—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 auxiliary valve for fluid operation of the main valve
- F16K17/105—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 auxiliary valve for fluid operation of the main valve using choking or throttling means to control the fluid operation of the main valve
-
- 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
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
- Y10T137/7769—Single acting fluid servo
-
- 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
- Y10T137/7781—With separate connected fluid reactor surface
- Y10T137/7782—With manual or external control for line valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7612451A FR2349776A1 (fr) | 1976-04-27 | 1976-04-27 | Dispositif de securite pour soupape a clapet pilote |
GB15934/77A GB1571854A (en) | 1976-04-27 | 1977-04-18 | Pressure relief valves |
JP52048344A JPS5916146B2 (ja) | 1976-04-27 | 1977-04-26 | 圧力流体槽の安全弁の安全装置 |
US05/825,891 US4129142A (en) | 1976-04-27 | 1977-08-19 | Safety device for a relief valve with a controlled disk |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7612451A FR2349776A1 (fr) | 1976-04-27 | 1976-04-27 | Dispositif de securite pour soupape a clapet pilote |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2349776A1 true FR2349776A1 (fr) | 1977-11-25 |
FR2349776B1 FR2349776B1 (fr) | 1981-12-24 |
Family
ID=9172366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7612451A Granted FR2349776A1 (fr) | 1976-04-27 | 1976-04-27 | Dispositif de securite pour soupape a clapet pilote |
Country Status (4)
Country | Link |
---|---|
US (1) | US4129142A (fr) |
JP (1) | JPS5916146B2 (fr) |
FR (1) | FR2349776A1 (fr) |
GB (1) | GB1571854A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006298645A (ja) * | 2005-04-21 | 2006-11-02 | Inventio Ag | エレベータケージの速度を監視するための方法および検出システム |
CN101586551B (zh) * | 2009-06-19 | 2011-01-26 | 西安志高罗茨风机技术有限责任公司 | 一种自动力气体卸载装置 |
AR099388A1 (es) | 2014-01-17 | 2016-07-20 | Pentair Flow Services Ag | Válvula de alivio de baja presión operada por piloto |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US868030A (en) * | 1906-06-20 | 1907-10-15 | Pittsburgh Valve Foundry & Construction Company | Valve. |
US1076665A (en) * | 1911-10-10 | 1913-10-28 | Collin Valve Co | Regulating-valve. |
FR1597979A (fr) * | 1968-12-20 | 1970-06-29 | ||
US4043350A (en) * | 1974-11-13 | 1977-08-23 | Shigeru Ichimi | Emergency gas shut-off unit mounted on gas pressure adjusting unit |
US4043357A (en) * | 1975-09-17 | 1977-08-23 | Braukmann Armaturen Ag | Filter fitting for heating installations |
-
1976
- 1976-04-27 FR FR7612451A patent/FR2349776A1/fr active Granted
-
1977
- 1977-04-18 GB GB15934/77A patent/GB1571854A/en not_active Expired
- 1977-04-26 JP JP52048344A patent/JPS5916146B2/ja not_active Expired
- 1977-08-19 US US05/825,891 patent/US4129142A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2349776B1 (fr) | 1981-12-24 |
US4129142A (en) | 1978-12-12 |
JPS52131217A (en) | 1977-11-04 |
JPS5916146B2 (ja) | 1984-04-13 |
GB1571854A (en) | 1980-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |