GB8307542D0 - Fluid flow control valve - Google Patents

Fluid flow control valve

Info

Publication number
GB8307542D0
GB8307542D0 GB838307542A GB8307542A GB8307542D0 GB 8307542 D0 GB8307542 D0 GB 8307542D0 GB 838307542 A GB838307542 A GB 838307542A GB 8307542 A GB8307542 A GB 8307542A GB 8307542 D0 GB8307542 D0 GB 8307542D0
Authority
GB
United Kingdom
Prior art keywords
control valve
fluid flow
flow control
fluid
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
Application number
GB838307542A
Other versions
GB2121516B (en
GB2121516A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Publication of GB8307542D0 publication Critical patent/GB8307542D0/en
Publication of GB2121516A publication Critical patent/GB2121516A/en
Application granted granted Critical
Publication of GB2121516B publication Critical patent/GB2121516B/en
Expired legal-status Critical Current

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
GB08307542A 1982-04-13 1983-03-18 Fluid flow control valve Expired GB2121516B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8210684 1982-04-13
GB8210685 1982-04-13

Publications (3)

Publication Number Publication Date
GB8307542D0 true GB8307542D0 (en) 1983-04-27
GB2121516A GB2121516A (en) 1983-12-21
GB2121516B GB2121516B (en) 1985-11-13

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 Before (1)

Application Number Title Priority Date Filing Date
GB08307541A Expired GB2118688B (en) 1982-04-13 1983-03-18 Fluid flow control systems

Country Status (3)

Country Link
DE (1) DE3312996A1 (en)
FR (1) FR2524995B1 (en)
GB (2) GB2118688B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
GB2121516B (en) 1985-11-13
FR2524995B1 (en) 1987-02-20
GB8307541D0 (en) 1983-04-27
GB2118688B (en) 1985-10-30
GB2118688A (en) 1983-11-02
GB2121516A (en) 1983-12-21
DE3312996A1 (en) 1983-12-08
FR2524995A1 (en) 1983-10-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960318