GB1562675A - Nonreturn valve for use with hydraulic apparatus - Google Patents
Nonreturn valve for use with hydraulic apparatus Download PDFInfo
- Publication number
- GB1562675A GB1562675A GB790/78A GB79078A GB1562675A GB 1562675 A GB1562675 A GB 1562675A GB 790/78 A GB790/78 A GB 790/78A GB 79078 A GB79078 A GB 79078A GB 1562675 A GB1562675 A GB 1562675A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve member
- tappet
- axial section
- main valve
- 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.)
- 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
- F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
- F16K15/1826—Check valves which can be actuated by a pilot 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
- Y10T137/8593—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]
- Y10T137/86968—With balancing chamber
-
- 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)
- Fluid-Driven Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772705303 DE2705303A1 (de) | 1977-02-09 | 1977-02-09 | Rueckschlagventil mit zusaetzlicher betaetigung |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1562675A true GB1562675A (en) | 1980-03-12 |
Family
ID=6000679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB790/78A Expired GB1562675A (en) | 1977-02-09 | 1978-01-09 | Nonreturn valve for use with hydraulic apparatus |
Country Status (6)
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2141262A (en) * | 1983-06-08 | 1984-12-12 | Dowty Hydraulic Units Ltd | Servo valve |
GB2141263A (en) * | 1983-06-08 | 1984-12-12 | Dowty Hydraulic Units Ltd | Servo valve |
GB2335967A (en) * | 1998-03-28 | 1999-10-06 | Dbt Gmbh | Hydraulically trippable check valve |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3420214A1 (de) * | 1984-05-30 | 1985-12-05 | Robert Bosch Gmbh, 7000 Stuttgart | Wegeventil |
DE3638997C2 (de) * | 1986-11-14 | 1994-07-21 | Ecker Gmbh Maschbau | Ventil für eine Druckflüssigkeitsleitung |
EP0689015A1 (de) * | 1994-06-21 | 1995-12-27 | Staefa Control System Scs Ag | Regelventil mit Stellantrieb |
KR19990087371A (ko) * | 1996-02-28 | 1999-12-27 | 모서 다니엘 | 내하중 브레이크 밸브 |
EP0935713B1 (de) | 1996-11-11 | 2003-10-01 | Bosch Rexroth AG | Ventilanordnung und verfahren zur ansteuerung einer derartigen ventilanordnung |
DE19646443A1 (de) * | 1996-11-11 | 1998-05-14 | Rexroth Mannesmann Gmbh | Rückschlagventilanordnung |
DE19707722A1 (de) * | 1996-11-11 | 1998-05-14 | Rexroth Mannesmann Gmbh | Ventilanordnung und Verfahren zur Ansteuerung einer derartigen Ventilanordnung |
US6223773B1 (en) | 1996-11-11 | 2001-05-01 | Mannesmann Rexroth Ag | Check valve assembly |
US7007708B2 (en) * | 2003-10-17 | 2006-03-07 | Delphi Techonologies, Inc. | Flow control valve |
EP3143262B1 (en) * | 2014-05-12 | 2019-07-10 | Volvo Truck Corporation | A fluid control valve |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7610549U1 (US07922777-20110412-C00004.png) * | 1900-01-01 | Hydronic Mechanische Und Hydraulische Antriebselemente Gmbh, 8200 Rosenheim | ||
US3213887A (en) * | 1964-08-10 | 1965-10-26 | Henry W Angelery | Dynamically balanced valve |
DE1288860B (de) * | 1965-07-20 | 1969-02-06 | Kugelfischer G Schaefer & Co | Elektromagnetisches Absperrventil |
GB1350379A (en) * | 1970-06-22 | 1974-04-18 | Adan Hydraulics Ltd | Non-return fluid-flow valves |
US3667722A (en) * | 1970-10-22 | 1972-06-06 | Ite Imperial Corp | Proportional valve |
CH543028A (de) * | 1972-11-09 | 1973-10-15 | Beringer Hydraulik Gmbh | Hydraulisches Senkbrems-Sperrventil |
DD129984B1 (de) * | 1977-04-12 | 1981-02-25 | Goetz Kamm | Bremsventil hoher regelguete |
-
1977
- 1977-02-09 DE DE19772705303 patent/DE2705303A1/de active Granted
-
1978
- 1978-01-09 GB GB790/78A patent/GB1562675A/en not_active Expired
- 1978-01-20 US US05/871,109 patent/US4176688A/en not_active Expired - Lifetime
- 1978-02-07 JP JP1291078A patent/JPS5398520A/ja active Granted
- 1978-02-08 RO RO7893149A patent/RO81932A/ro unknown
- 1978-02-09 FR FR7803700A patent/FR2380451A1/fr active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2141262A (en) * | 1983-06-08 | 1984-12-12 | Dowty Hydraulic Units Ltd | Servo valve |
GB2141263A (en) * | 1983-06-08 | 1984-12-12 | Dowty Hydraulic Units Ltd | Servo valve |
GB2335967A (en) * | 1998-03-28 | 1999-10-06 | Dbt Gmbh | Hydraulically trippable check valve |
US6073654A (en) * | 1998-03-28 | 2000-06-13 | Dbt Deutsche Bergbau-Technik Gmbh | Hydraulically trippable check valve for underground mine support hydraulics |
GB2335967B (en) * | 1998-03-28 | 2002-03-06 | Dbt Gmbh | Hydraulically trippable check valve for underground mine support hydraulics |
Also Published As
Publication number | Publication date |
---|---|
FR2380451A1 (fr) | 1978-09-08 |
RO81932A (ro) | 1983-06-01 |
RO81932B (ro) | 1983-05-30 |
DE2705303A1 (de) | 1978-08-10 |
FR2380451B1 (US07922777-20110412-C00004.png) | 1983-10-21 |
DE2705303C2 (US07922777-20110412-C00004.png) | 1988-10-27 |
JPS6119874B2 (US07922777-20110412-C00004.png) | 1986-05-19 |
JPS5398520A (en) | 1978-08-29 |
US4176688A (en) | 1979-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |