GB2118688B - Fluid flow control systems - Google Patents
Fluid flow control systemsInfo
- Publication number
- GB2118688B GB2118688B GB08307541A GB8307541A GB2118688B GB 2118688 B GB2118688 B GB 2118688B GB 08307541 A GB08307541 A GB 08307541A GB 8307541 A GB8307541 A GB 8307541A GB 2118688 B GB2118688 B GB 2118688B
- Authority
- GB
- United Kingdom
- Prior art keywords
- fluid flow
- flow control
- control systems
- systems
- fluid
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/26—Hydraulic or pneumatic control
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8210685 | 1982-04-13 | ||
GB8210684 | 1982-04-13 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8307541D0 GB8307541D0 (en) | 1983-04-27 |
GB2118688A GB2118688A (en) | 1983-11-02 |
GB2118688B true GB2118688B (en) | 1985-10-30 |
Family
ID=26282534
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08307541A Expired GB2118688B (en) | 1982-04-13 | 1983-03-18 | Fluid flow control systems |
GB08307542A Expired GB2121516B (en) | 1982-04-13 | 1983-03-18 | Fluid flow control valve |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08307542A Expired GB2121516B (en) | 1982-04-13 | 1983-03-18 | Fluid flow control valve |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3312996A1 (en) |
FR (1) | FR2524995B1 (en) |
GB (2) | GB2118688B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI69349C (en) * | 1983-05-10 | 1986-01-10 | Niskanen Erkki Oy | SPINDELVENTIL FOER ETT ROERSYSTEM FOER VAETSKOR |
GB2141597B (en) * | 1983-06-14 | 1987-02-11 | Dobson Park Ind | Electrically operated valve |
IL75888A0 (en) * | 1984-07-24 | 1985-12-31 | Donaghys Electronics Ltd | Control device for mounting on a liquid control valve |
DE3435952A1 (en) * | 1984-09-29 | 1986-04-10 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | VALVE DEVICE FOR HYDRAULIC EXTENSION SYSTEM AND THE LIKE |
DE3640426A1 (en) * | 1986-11-26 | 1988-06-09 | Mapa Electronic Gmbh | Regulating valve |
DE3740012A1 (en) * | 1987-11-23 | 1989-06-01 | Bernd Buerger | Hydraulic or pneumatic quick-action change-over valve, especially for feed cylinders on machine tools |
DE3821700A1 (en) * | 1988-06-28 | 1990-01-04 | Deere & Co | CONTROL DEVICE FOR AT LEAST ONE VALVE |
US5402824A (en) * | 1992-04-24 | 1995-04-04 | Nisshinbo Industries Inc. | Solenoid valve |
AT397547B (en) * | 1992-05-11 | 1994-04-25 | Vaillant Gmbh | ACTUATOR FOR A MULTI-WAY VALVE |
DE9211629U1 (en) * | 1992-08-29 | 1992-11-05 | Westfalia Becorit Industrietechnik Gmbh, 4670 Luenen, De | |
DE19519638C2 (en) * | 1995-05-30 | 1998-04-09 | Samson Ag | Valve actuator with safety control function for operating a valve |
US10619654B2 (en) | 2017-05-05 | 2020-04-14 | Hamilton Sundstrand Corporation | Fail-fixed hydraulic actuator |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB453479A (en) * | 1935-03-06 | 1936-09-07 | Edmund Struckman | Improvements in and relating to power operated valves |
US2263470A (en) * | 1939-09-02 | 1941-11-18 | Curtiss Wright Corp | Servomotor control system |
US2738033A (en) * | 1953-08-14 | 1956-03-13 | Specialties Dev Corp | Valve operating mechanism |
US3067762A (en) * | 1959-04-28 | 1962-12-11 | Specialties Dev Corp | Moisture separator for gas compressor |
BE648624A (en) * | 1963-06-03 | 1964-09-16 | ||
GB1018670A (en) * | 1963-06-27 | 1966-01-26 | British Engines Ltd | Improvements in or relating to fluid flow control valves |
US3377045A (en) * | 1963-07-24 | 1968-04-09 | Welcker Friedrich | Rotary field-controlled spring valve |
US3488030A (en) * | 1966-08-17 | 1970-01-06 | Halliburton Co | Electrical motor operated valve |
DE1808764B2 (en) * | 1968-11-14 | 1971-12-23 | Honeywell Gmbh, 6000 Frankfurt | VALVE IN PARTICULAR CONTROL VALVE |
DE1942677A1 (en) * | 1969-08-21 | 1971-03-04 | Inst Gornogo Dela Im Aa Skocin | Electrically operated hydraulic valve |
FR2057588A5 (en) * | 1969-08-29 | 1971-05-21 | Inst Gornogo Dela Imeni Skochi | |
GB1363922A (en) * | 1971-10-08 | 1974-08-21 | Isis Technical Finishes Ltd | Motorised valve |
US3808895A (en) * | 1973-02-09 | 1974-05-07 | J Fitzwater | Electric fail-safe actuator |
GB1590581A (en) * | 1976-10-14 | 1981-06-03 | Hawker Siddeley Dynamics Eng | Electro-hydraulic systems |
US4176687A (en) * | 1977-08-25 | 1979-12-04 | Cla-Val Co. | Hollow spool valve |
GB2092713B (en) * | 1981-02-11 | 1984-07-18 | Appliance Components Ltd | A motor driven control valve |
FR2519232A1 (en) * | 1982-01-07 | 1983-07-08 | Turion Jean Claude | Electronic controller for agricultural sprinkler valve - has position sensor on wheel in valve operating mechanism to interrupt motor power to conserve energy |
-
1983
- 1983-03-18 GB GB08307541A patent/GB2118688B/en not_active Expired
- 1983-03-18 GB GB08307542A patent/GB2121516B/en not_active Expired
- 1983-04-12 DE DE19833312996 patent/DE3312996A1/en not_active Withdrawn
- 1983-04-13 FR FR8306045A patent/FR2524995B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB8307541D0 (en) | 1983-04-27 |
GB2121516A (en) | 1983-12-21 |
FR2524995A1 (en) | 1983-10-14 |
GB2121516B (en) | 1985-11-13 |
DE3312996A1 (en) | 1983-12-08 |
GB2118688A (en) | 1983-11-02 |
FR2524995B1 (en) | 1987-02-20 |
GB8307542D0 (en) | 1983-04-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19960318 |