FR2062158A5 - - Google Patents
Info
- Publication number
- FR2062158A5 FR2062158A5 FR7031113A FR7031113A FR2062158A5 FR 2062158 A5 FR2062158 A5 FR 2062158A5 FR 7031113 A FR7031113 A FR 7031113A FR 7031113 A FR7031113 A FR 7031113A FR 2062158 A5 FR2062158 A5 FR 2062158A5
- Authority
- FR
- France
- 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
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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
-
- 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
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
-
- 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
- Y10T137/8593—Systems
- Y10T137/86928—Sequentially progressive opening or closing of plural valves
- Y10T137/86936—Pressure equalizing or auxiliary shunt flow
- Y10T137/86944—One valve seats against other valve [e.g., concentric valves]
- Y10T137/86984—Actuator moves both valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
- Safety Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1943693A DE1943693C3 (de) | 1969-08-28 | 1969-08-28 | Federbelastetes Rückschlagventil |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2062158A5 true FR2062158A5 (fr) | 1971-06-25 |
Family
ID=5743981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7031113A Expired FR2062158A5 (fr) | 1969-08-28 | 1970-08-25 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3631887A (fr) |
AT (1) | AT301974B (fr) |
CH (1) | CH501175A (fr) |
DE (1) | DE1943693C3 (fr) |
FR (1) | FR2062158A5 (fr) |
GB (1) | GB1275838A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2231910A1 (en) * | 1973-06-04 | 1974-12-27 | Griffet Ets M | Control valve for hydraulic jack of crane jib - has piston operated by low pressure oil to control main oil flow |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2410077C3 (de) * | 1974-03-02 | 1981-06-04 | Schloemann-Siemag AG, 4000 Düsseldorf | Einrichtung zur Einstellung des Durchflußquerschnittes bei hydraulischen Ventilen |
US3981479A (en) * | 1974-06-14 | 1976-09-21 | Snap-Tite, Inc. | Check valve |
US4009756A (en) * | 1975-09-24 | 1977-03-01 | Trw, Incorporated | Method and apparatus for flooding of oil-bearing formations by downward inter-zone pumping |
DE2728004C2 (de) * | 1977-06-22 | 1981-10-08 | Danfoss A/S, 6430 Nordborg | Hydraulische Steuervorrichtung für einen Servomotor, insbesondere für Fahrzeuglenkungen |
US4391293A (en) * | 1980-12-18 | 1983-07-05 | General Signal Corp. | Packing for equalizing reservoir cut-out valve |
US4391296A (en) * | 1981-05-07 | 1983-07-05 | Abbott John D | By-pass pilot operated hydraulic check valve |
US4484726A (en) * | 1982-08-02 | 1984-11-27 | Dresser Industries, Inc. | Pulsation limiter for manually actuated hydraulic valve |
DE3247420A1 (de) * | 1982-12-22 | 1984-07-05 | Mannesmann Rexroth GmbH, 8770 Lohr | Hydraulisch entsperrbares rueckschlagventil |
USRE34218E (en) | 1983-09-02 | 1993-04-13 | Easily-cleanable filters | |
US5255705A (en) * | 1986-01-30 | 1993-10-26 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic pressure control system |
US4978450A (en) | 1986-02-11 | 1990-12-18 | Mordeki Drori | Filtering element |
US5030347A (en) * | 1987-07-30 | 1991-07-09 | Mordeki Drori | Multiple filter elements with movable flushing assembly |
US5013461A (en) | 1987-09-18 | 1991-05-07 | Mordeki Drori | Regeneration method of filter device having filter aid material and piston apparatus |
US5015379A (en) | 1988-03-16 | 1991-05-14 | Mordeki Drori | Coiled filter strip with upstream and downstream butt ends |
IL88940A0 (en) | 1989-01-12 | 1989-08-15 | Drori Mordeki | Filter apparatus |
US4947672A (en) * | 1989-04-03 | 1990-08-14 | Burndy Corporation | Hydraulic compression tool having an improved relief and release valve |
US4967791A (en) * | 1989-04-26 | 1990-11-06 | The Boeing Company | Pressure activated check valve |
US5022427A (en) * | 1990-03-02 | 1991-06-11 | Otis Engineering Corporation | Annular safety system for gas lift production |
US5255712A (en) * | 1992-10-28 | 1993-10-26 | Foster Raymond K | Check valve pull assembly |
DE19813909B4 (de) * | 1998-03-28 | 2007-02-15 | Dbt Gmbh | Hydraulisch aufsteuerbares Rückschlagventil für die Ausbauhydraulik in Bergbau-Untertagebetrieben |
DE10042716A1 (de) * | 2000-08-31 | 2002-03-14 | Mannesmann Rexroth Ag | Entsperrbares Rückschlagventil für sehr hohe Systemdrücke |
CZ2006234A3 (cs) * | 2006-04-06 | 2007-10-17 | Zaalex S. R. O. | Hydraulicky ovládaný zpetný ventil |
DE102006045448A1 (de) * | 2006-09-19 | 2008-03-27 | Lechler Gmbh | Rückschlagventil für Dosierpumpen, Dosierpumpe und Spritzvorrichtung für die Pflanzenschutztechnik |
TWM315185U (en) * | 2006-12-15 | 2007-07-11 | Wei-Te Hsu | Vehicular hydraulic tank reverse safety device |
ITMI20112217A1 (it) * | 2011-12-05 | 2013-06-06 | Clippers S R L | Antifurto per veicoli |
US9714556B2 (en) * | 2013-11-08 | 2017-07-25 | Baker Hughes Incorporated | Shear seal check valve for use in wellbore fluid |
RU2689956C1 (ru) * | 2018-03-27 | 2019-05-29 | федеральное государственное автономное образовательное учреждение высшего образования "Северо-Кавказский федеральный университет" | Автоматический дроссель |
CN108644168A (zh) * | 2018-05-14 | 2018-10-12 | 江苏理工学院 | 内泄平衡式液控单向阀 |
NO345243B1 (en) * | 2019-07-03 | 2020-11-16 | Petroleum Technology Co As | A valve arrangement |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US885459A (en) * | 1907-05-22 | 1908-04-21 | William B Engler | Valve for gas-engines. |
CH201066A (de) * | 1937-10-26 | 1938-11-15 | Escher Wyss Maschf Ag | Hydraulischer Servomotor zur Betätigung von drehbaren Abschlussorganen. |
US2810370A (en) * | 1954-01-18 | 1957-10-22 | Pathon Mfg Company | Combined power cylinder and valve construction |
DE1913154U (de) * | 1964-08-31 | 1965-04-01 | Bosch Gmbh Robert | Sperrblock. |
-
1969
- 1969-08-28 DE DE1943693A patent/DE1943693C3/de not_active Expired
-
1970
- 1970-05-26 CH CH777170A patent/CH501175A/de not_active IP Right Cessation
- 1970-07-06 GB GB3257470A patent/GB1275838A/en not_active Expired
- 1970-08-12 AT AT735970A patent/AT301974B/de not_active IP Right Cessation
- 1970-08-14 US US3631887D patent/US3631887A/en not_active Expired - Lifetime
- 1970-08-25 FR FR7031113A patent/FR2062158A5/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2231910A1 (en) * | 1973-06-04 | 1974-12-27 | Griffet Ets M | Control valve for hydraulic jack of crane jib - has piston operated by low pressure oil to control main oil flow |
Also Published As
Publication number | Publication date |
---|---|
US3631887A (en) | 1972-01-04 |
DE1943693B2 (de) | 1977-03-10 |
AT301974B (de) | 1972-09-25 |
DE1943693C3 (de) | 1981-07-16 |
DE1943693A1 (de) | 1971-03-11 |
GB1275838A (en) | 1972-05-24 |
CH501175A (de) | 1970-12-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |