CH550957A - Sicherheitsrueckschlagventil. - Google Patents
Sicherheitsrueckschlagventil.Info
- Publication number
- CH550957A CH550957A CH799373A CH799373A CH550957A CH 550957 A CH550957 A CH 550957A CH 799373 A CH799373 A CH 799373A CH 799373 A CH799373 A CH 799373A CH 550957 A CH550957 A CH 550957A
- Authority
- CH
- Switzerland
- Prior art keywords
- return valve
- safety non
- safety
- return
- valve
- Prior art date
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
- F16K17/044—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 more than one spring
-
- 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
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
- F16K15/066—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring with a plurality of valve members
-
- 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
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7838—Plural
- Y10T137/7841—One valve carries head and seat for second 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
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7876—With external means for opposing bias
-
- 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
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7904—Reciprocating valves
- Y10T137/7922—Spring biased
- Y10T137/7925—Piston-type valves
-
- 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
- Y10T137/8158—With indicator, register, recorder, alarm or inspection means
- Y10T137/8225—Position or extent of motion indicator
- Y10T137/8242—Electrical
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
- Control Of Presses (AREA)
- Safety Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732309552 DE2309552A1 (de) | 1973-02-26 | 1973-02-26 | Sicherheitsrueckschlagventil |
Publications (1)
Publication Number | Publication Date |
---|---|
CH550957A true CH550957A (de) | 1974-06-28 |
Family
ID=5873135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH799373A CH550957A (de) | 1973-02-26 | 1973-06-01 | Sicherheitsrueckschlagventil. |
Country Status (9)
Country | Link |
---|---|
US (1) | US3916946A (de) |
JP (1) | JPS5546543B2 (de) |
CH (1) | CH550957A (de) |
DD (1) | DD104609A5 (de) |
DE (1) | DE2309552A1 (de) |
ES (1) | ES416870A1 (de) |
FR (1) | FR2219354B3 (de) |
GB (1) | GB1386204A (de) |
IT (1) | IT990852B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2777966A1 (fr) * | 1998-04-27 | 1999-10-29 | Coflexip | Soupape differentielle pour conduite flexible sous-marine |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5391033U (de) * | 1976-12-27 | 1978-07-25 | ||
JPS53113403U (de) * | 1977-02-18 | 1978-09-09 | ||
FR2531176A1 (fr) * | 1982-07-29 | 1984-02-03 | Framatome Sa | Dispositif de detection du fonctionnement d'une soupape |
US4591314A (en) * | 1984-07-09 | 1986-05-27 | Sundstrand Corporation | Hydraulic power supply system utilizing a solid propellant gas generator |
US4699171A (en) * | 1986-12-19 | 1987-10-13 | Sundstrand Corporation | Multiple port relief valve |
DE3723673A1 (de) * | 1987-07-17 | 1989-01-26 | Wessel Hydraulik | Extern angesteuertes rueckschlagventil |
IT211836Z2 (it) * | 1987-09-24 | 1989-05-25 | Barbieri Aldo E Figli S N C | Valvola di ritegno a doppia chiusura con scarichi. |
US4967791A (en) * | 1989-04-26 | 1990-11-06 | The Boeing Company | Pressure activated check valve |
US5826613A (en) * | 1993-05-19 | 1998-10-27 | Georg Fischer Rohrleitungssysteme Ag | Flow control valve |
US5685329A (en) * | 1995-10-05 | 1997-11-11 | Taylor; Julian S. | Dual inline rupture pin release and reseating spring loaded relief valve |
US5918628A (en) * | 1997-06-17 | 1999-07-06 | Parker-Hannifin Corporation | Multi-stage check valve |
AT408792B (de) * | 1999-11-22 | 2002-03-25 | Hoerbiger Hydraulik | Hydraulische betätigungsanordnung |
AT412112B (de) * | 2002-09-30 | 2004-09-27 | Hoerbiger Hydraulik | Vorspannventil mit zumindest zwei schaltstufen sowie hydraulische betätigungsanordnung |
US7114516B2 (en) * | 2002-10-15 | 2006-10-03 | Takasago Engineering Co., Ltd. | Leak-detecting check valve, and leak-detection alarm system that uses said check valve |
US20070235084A1 (en) * | 2006-04-07 | 2007-10-11 | Kim Yong C | Leak compensating valve with flow switch indicator |
US7762273B2 (en) * | 2007-06-29 | 2010-07-27 | Olab S.R.L. | Venting device |
KR101035101B1 (ko) * | 2011-03-31 | 2011-05-19 | 한국뉴매틱(주) | 이단 에어콘트롤 밸브 |
US10900585B2 (en) * | 2019-02-18 | 2021-01-26 | Automatic Switch Company | Coaxial valves |
CN112145755A (zh) * | 2020-09-22 | 2020-12-29 | 南通龙源电站阀门有限公司 | 一种止回阀的紧急切断机构 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2306012A (en) * | 1941-06-11 | 1942-12-22 | John Eley Jr | Check valve |
US2458763A (en) * | 1944-05-13 | 1949-01-11 | Turbo Engineering Corp | Lubricating system for mechanisms operating at high altitudes |
US2724239A (en) * | 1952-04-21 | 1955-11-22 | Samuel S Fox | Fuel flow distributing and manifold pressurizing valve for dual orifice fuel injection nozzles |
US2930401A (en) * | 1956-11-16 | 1960-03-29 | Bobrick Mfg Corp | Poppet valve construction |
US3476142A (en) * | 1966-09-16 | 1969-11-04 | Eaton Yale & Towne | Multiple check valve |
US3669506A (en) * | 1970-04-28 | 1972-06-13 | Wagner Electric Corp | Control valve |
US3749121A (en) * | 1971-05-11 | 1973-07-31 | P Frankewich | Relief valve apparatus |
US3706321A (en) * | 1971-09-21 | 1972-12-19 | Acf Ind Inc | Manual override indicator for gate valve |
US3801233A (en) * | 1971-12-07 | 1974-04-02 | Boiteau M | Valve assemblies |
US3789875A (en) * | 1972-05-15 | 1974-02-05 | Gray Tool Co | Fluid pressure actuated valve operator |
-
1973
- 1973-02-26 DE DE19732309552 patent/DE2309552A1/de active Pending
- 1973-06-01 CH CH799373A patent/CH550957A/de not_active IP Right Cessation
- 1973-06-26 FR FR7323268A patent/FR2219354B3/fr not_active Expired
- 1973-06-28 IT IT26073/73A patent/IT990852B/it active
- 1973-06-28 GB GB3088473A patent/GB1386204A/en not_active Expired
- 1973-07-05 DD DD172088A patent/DD104609A5/xx unknown
- 1973-07-13 ES ES416870A patent/ES416870A1/es not_active Expired
- 1973-07-18 JP JP8039173A patent/JPS5546543B2/ja not_active Expired
- 1973-11-16 US US416653A patent/US3916946A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2777966A1 (fr) * | 1998-04-27 | 1999-10-29 | Coflexip | Soupape differentielle pour conduite flexible sous-marine |
WO1999056045A1 (fr) * | 1998-04-27 | 1999-11-04 | Coflexip | Soupape differentielle pour conduite flexible sous-marine |
US6152170A (en) * | 1998-04-27 | 2000-11-28 | Coflexip | Differential relief valve for flexible sea line |
AU752900B2 (en) * | 1998-04-27 | 2002-10-03 | Coflexip S.A. | Differential relief valve for flexible sea line |
Also Published As
Publication number | Publication date |
---|---|
DE2309552A1 (de) | 1974-09-05 |
JPS49118037A (de) | 1974-11-12 |
FR2219354A1 (de) | 1974-09-20 |
ES416870A1 (es) | 1976-02-16 |
IT990852B (it) | 1975-07-10 |
JPS5546543B2 (de) | 1980-11-25 |
DD104609A5 (de) | 1974-03-12 |
US3916946A (en) | 1975-11-04 |
FR2219354B3 (de) | 1978-02-17 |
GB1386204A (en) | 1975-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |