ZA824621B - Improvements in hydraulic control apparatus - Google Patents

Improvements in hydraulic control apparatus

Info

Publication number: ZA824621B
Authority: ZA; South Africa
Prior art keywords: control apparatus; hydraulic control; hydraulic; control
Prior art date: 1981-07-17

Application number

ZA824621A

Other languages

English (en)

Inventor

B Demicran

W Kussel

Original Assignee

Gewerk Eisenhuette Westfalia

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.)

1981-07-17

Filing date

1982-06-29

Publication date

1983-04-27

1982-06-29 Application filed by Gewerk Eisenhuette Westfalia filed Critical Gewerk Eisenhuette Westfalia

1983-04-27 Publication of ZA824621B publication Critical patent/ZA824621B/xx

Links

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- 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
- F16K15/1823—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism for ball check valves

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Mechanical Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Fluid-Pressure Circuits (AREA)

ZA824621A 1981-07-17 1982-06-29 Improvements in hydraulic control apparatus ZA824621B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19813128279 DE3128279A1 (de)	1981-07-17	1981-07-17	Nachsetzsteuerung fuer einen hydraulischen stempelausbau sowie hydraulisch ansteuerbares rueckschlagventil

Publications (1)

Publication Number	Publication Date
ZA824621B true ZA824621B (en)	1983-04-27

Family

ID=6137134

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA824621A ZA824621B (en)	1981-07-17	1982-06-29	Improvements in hydraulic control apparatus

Country Status (5)

Country	Link
US (1)	US4485724A (fr)
AU (1)	AU543908B2 (fr)
DE (1)	DE3128279A1 (fr)
FR (2)	FR2509831B1 (fr)
ZA (1)	ZA824621B (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3301674C1 (de) *	1983-01-20	1984-01-05	Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal	Steuerung fuer hydraulische Stempel von Schreitausbaugestellen
GB2137314B (en) *	1983-03-26	1986-07-23	Dobson Park Ind	Valve for mine support
DE3336345A1 (de) *	1983-10-06	1985-04-18	Gebr. Eickhoff Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum	Hochdruckkugelventil
DE3430526C1 (de) *	1984-08-18	1986-02-06	Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal	Stempelsteuerventil
DE3435952A1 (de) *	1984-09-29	1986-04-10	Gewerkschaft Eisenhütte Westfalia, 4670 Lünen	Ventilvorrichtung fuer hydraulische ausbausystem u.dgl.
US4962791A (en) *	1987-09-25	1990-10-16	Mannesmann Rexroth Gmbh	Seat valve
DE3732446A1 (de) *	1987-09-25	1989-04-06	Rexroth Mannesmann Gmbh	Sitzventil
DE3922197A1 (de) *	1988-10-03	1990-04-05	Voss Richard Grubenausbau	Selbstdichtendes ventil
DE4019607C2 (de) *	1990-06-20	1994-02-17	Hemscheidt Maschf Hermann	Steuersystem für Ausbaugestelle eines Strebs
DE4137856A1 (de) *	1991-11-16	1993-05-19	Claas Saulgau Gmbh	Hydraulische betaetigungseinrichtung fuer funktionselemente von landwirtschaftlichen maschinen, beispielsweise ladewagen
DE4419168A1 (de) *	1994-06-01	1995-12-07	Guenter Troska	Druckregler für eine Sprüheinrichtung
AT410010B (de) *	2001-01-29	2003-01-27	Hoerbiger Hydraulik	Hydraulische betätigungsanordnung und hydraulisch sperrbares rückschlagventil
WO2009149989A1 (fr) *	2008-06-09	2009-12-17	Siemens Aktiengesellschaft	Soupape de retenue avec un corps de soupape mobile
CN102713149B (zh)	2009-07-16	2015-04-01	迪芬巴赫控制***股份有限公司	用于工作面支架的液压回路
US8876218B2 (en)	2009-07-16	2014-11-04	Tiefenbach Control Systems Gmbh	Hydraulic circuit for longwall support
AU2013220787B2 (en) *	2012-02-18	2016-12-08	Tiefenbach Control Systems Gmbh	Hydraulic circuit for longwall support
WO2016039728A1 (fr) *	2014-09-09	2016-03-17	Halliburton Energy Services, Inc.	Soupape antiretour hybride
EP3699437A1 (fr) *	2019-02-25	2020-08-26	Siemens Gamesa Renewable Energy A/S	Contrôle du débit pour un actionneur
CN110513341B (zh) *	2019-10-08	2024-06-04	中国铁建重工集团股份有限公司	一种混凝土湿喷机喷头液压控制***
CN219082324U (zh) *	2023-02-06	2023-05-26	北京天玛智控科技股份有限公司	矿用水基电磁先导阀
CN117888937B (zh) *	2024-03-18	2024-07-05	宁波长壁流体动力科技有限公司	一种矿用液压支架的控制方法、控制装置、设备和介质

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB723375A (en) *	1952-07-26	1955-02-09	Dowty Equipment Ltd	Improvements in relief valves
FR2264462A7 (en) *	1974-02-18	1975-10-10	Midi Houilleres Loire Hou Cent	Safety valve for hydraulic mine prop - has truncated conical spring loaded piston and radial outlets
DE2410077C3 (de) *	1974-03-02	1981-06-04	Schloemann-Siemag AG, 4000 Düsseldorf	Einrichtung zur Einstellung des Durchflußquerschnittes bei hydraulischen Ventilen
DE2522114C3 (de) *	1975-05-17	1979-02-22	Thyssen Industrie Ag, 4300 Essen	Als Gebirgsschlagventil ausgebildetes Rückschlagventil
DE2749312C2 (de) *	1977-11-04	1984-12-20	Gewerkschaft Eisenhütte Westfalia, 4670 Lünen	Steuereinrichtung mit Nachsetzautomatik für einen hydraulischen Stempelausbau
DE2830510C3 (de) *	1978-07-12	1981-07-23	Bergwerksverband Gmbh, 4300 Essen	Verfahren und Ventilanordnung zum Setzen der Stempel eines Schreitausbaus
DE2914884C2 (de) *	1979-04-12	1987-05-14	Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen	Steuereinrichtung für einen hydraulischen Stempelausbau mit zugeordneter Nachsetzautomatik

1981
- 1981-07-17 DE DE19813128279 patent/DE3128279A1/de not_active Withdrawn
1982
- 1982-06-22 AU AU85110/82A patent/AU543908B2/en not_active Ceased
- 1982-06-25 US US06/392,352 patent/US4485724A/en not_active Expired - Fee Related
- 1982-06-29 ZA ZA824621A patent/ZA824621B/xx unknown
- 1982-07-16 FR FR8212454A patent/FR2509831B1/fr not_active Expired
1983
- 1983-01-07 FR FR8300200A patent/FR2518694B1/fr not_active Expired

Also Published As

Publication number	Publication date
US4485724A (en)	1984-12-04
AU543908B2 (en)	1985-05-09
AU8511082A (en)	1983-01-20
FR2518694B1 (fr)	1987-06-26
FR2509831B1 (fr)	1987-01-02
FR2518694A1 (fr)	1983-06-24
FR2509831A1 (fr)	1983-01-21
DE3128279A1 (de)	1983-02-03

Publication	Publication Date	Title
GB2102921B (en)	1985-05-30	Hydraulic control apparatus
JPS57169184A (en)	1982-10-18	Control apparatus in automobile
ZA824621B (en)	1983-04-27	Improvements in hydraulic control apparatus
GB2102361B (en)	1985-06-12	Hydraulic steering control apparatus
DE3270410D1 (en)	1986-05-15	Fluid control apparatus
GB8526760D0 (en)	1985-12-04	Hydraulic control apparatus
GB2102045B (en)	1984-12-05	Control apparatus for use in wells
GB8526761D0 (en)	1985-12-04	Hydraulic control apparatus
DE3273856D1 (en)	1986-11-20	Position control apparatus
DE3260888D1 (en)	1984-11-08	Hydraulic control apparatus
DE3173888D1 (en)	1986-04-03	Hydraulic control device
DE3273763D1 (en)	1986-11-20	Control apparatus
GB8407279D0 (en)	1984-04-26	Prefilled hydraulic control apparatus
DE3370362D1 (en)	1987-04-23	Hydraulic control device
GB2093223B (en)	1984-12-12	Electro-hydraulic control apparatus
GB2111256B (en)	1985-05-22	Improvements in or relating to control apparatus
DE3471138D1 (en)	1988-06-16	Hydraulic control device
DE3274280D1 (en)	1987-01-02	Hydraulic control system
GB8334351D0 (en)	1984-02-01	Hydraulic control
GB2197054B (en)	1991-06-19	Hydraulic control apparatus
JPS57164861A (en)	1982-10-09	Hydraulic controller
DE3268279D1 (en)	1986-02-13	Hydraulic control means
DE3275399D1 (en)	1987-03-12	Hydraulic control apparatus
DE3460234D1 (en)	1986-07-24	Hydraulic control device
GB2106846B (en)	1985-05-15	Hydraulic steering apparatus