ZA807171B - A pilot controlled check valve, in particular for use as a retracting and setting valve in underground mining - Google Patents
A pilot controlled check valve, in particular for use as a retracting and setting valve in underground miningInfo
- Publication number
- ZA807171B ZA807171B ZA00807171A ZA807171A ZA807171B ZA 807171 B ZA807171 B ZA 807171B ZA 00807171 A ZA00807171 A ZA 00807171A ZA 807171 A ZA807171 A ZA 807171A ZA 807171 B ZA807171 B ZA 807171B
- Authority
- ZA
- South Africa
- Prior art keywords
- retracting
- valve
- underground mining
- controlled check
- check valve
- Prior art date
Links
- 238000005065 mining Methods 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/01—Locking-valves or other detent i.e. load-holding devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Check Valves (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Actuator (AREA)
- Fluid-Damping Devices (AREA)
- Fluid-Driven Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2946765A DE2946765C2 (de) | 1979-11-20 | 1979-11-20 | Entsperrbares Rückschlagventil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA807171B true ZA807171B (en) | 1981-09-30 |
Family
ID=6086450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00807171A ZA807171B (en) | 1979-11-20 | 1980-11-18 | A pilot controlled check valve, in particular for use as a retracting and setting valve in underground mining |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4361075A (cs) |
| AU (1) | AU539272B2 (cs) |
| CS (1) | CS220771B2 (cs) |
| DE (1) | DE2946765C2 (cs) |
| HU (1) | HU182219B (cs) |
| PL (1) | PL124198B1 (cs) |
| RO (1) | RO81369A (cs) |
| YU (1) | YU275580A (cs) |
| ZA (1) | ZA807171B (cs) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4470339A (en) * | 1979-11-09 | 1984-09-11 | Bennes Marrel | Braking valve for hydraulic circuits |
| DE3104362A1 (de) * | 1981-02-07 | 1982-08-19 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulisch entsperrbares rueckschlagventil fuer hydraulische hochdrucksysteme, insbesondere fuer hydraulische ausbausysteme in bergbau-untertagebetrieben |
| US4545287A (en) * | 1982-10-22 | 1985-10-08 | The Cessna Aircraft Company | Metered lockout valve |
| JPS6262002A (ja) * | 1985-09-10 | 1987-03-18 | Toyoda Autom Loom Works Ltd | 流量制御機構付き方向制御弁 |
| DE3836725C1 (cs) * | 1988-10-28 | 1989-12-21 | Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
| JP2616038B2 (ja) * | 1989-08-31 | 1997-06-04 | 日産自動車株式会社 | 能動型サスペンション |
| JPH0616956B2 (ja) * | 1989-09-12 | 1994-03-09 | フガク工機株式会社 | 圧縮成形機における二重シリンダー構造 |
| US5375418A (en) * | 1991-02-25 | 1994-12-27 | Wickes Manufacturing Company | Controlled convertible top hydraulic lock |
| AT402334B (de) * | 1991-03-20 | 1997-04-25 | Hoerbiger Gmbh | Hydraulische zylinder/kolben-anordnung |
| DE19528981C1 (de) * | 1995-08-07 | 1996-10-02 | Heilmeier & Weinlein | Verfahren zum Steuern eines Hydroverbrauchers und hydraulische Steuervorrichtung zur Durchführung des Verfahrens |
| DE19714505B4 (de) * | 1997-04-08 | 2006-06-22 | Bosch Rexroth Aktiengesellschaft | Rückschlagventil |
| DE29802498U1 (de) * | 1998-02-13 | 1998-04-16 | Heilmeier & Weinlein | Staplersteuerung |
| DE19829232C1 (de) * | 1998-06-30 | 2000-05-18 | Weber Hydraulik Gmbh | Vorspann-Rückschlagventil |
| US6868772B2 (en) * | 2002-10-08 | 2005-03-22 | Imi Norgren, Inc. | Fluid control valve |
| NO20024992D0 (no) * | 2002-10-17 | 2002-10-17 | Bakke Oil Tools As | Trykkompensert pilotstyrt tilbakeslagsventil |
| US20040112208A1 (en) * | 2002-12-11 | 2004-06-17 | Kot Norbert J. | Pilot-operated check valve cartridge |
| PL206052B1 (pl) * | 2004-07-12 | 2010-06-30 | Tiefenbach Control Sys Gmbh | Odblokowywalny zawór zwrotny |
| DE102005025917A1 (de) * | 2005-06-06 | 2006-12-07 | Marco Systemanalyse Und Entwicklung Gmbh | Ventilpatrone und Ventilanordnung |
| DE102007044641B4 (de) * | 2007-09-19 | 2010-02-11 | Marco Systemanalyse Und Entwicklung Gmbh | Ventil |
| US7712464B2 (en) * | 2008-06-04 | 2010-05-11 | Yao-Gwo Gan | Valve for paint ball guns |
| US9062519B2 (en) * | 2013-01-09 | 2015-06-23 | Baker Hughes Incorporated | Bi-directional pressure equalization valve |
| CN103233942B (zh) * | 2013-04-11 | 2016-02-10 | 山西平阳重工机械有限责任公司 | 钛合金双伸缩油缸 |
| FR3030666B1 (fr) * | 2014-12-18 | 2017-07-21 | Coutier Moulage Gen Ind | Vanne raccordee a un circuit d’alimentation, circuit d’alimentation comprenant une telle vanne et procede d’alimentation operant un tel circuit d’alimentation |
| US9896907B2 (en) | 2015-10-26 | 2018-02-20 | Baker Hughes, A Ge Company, Llc | Equalizer valve with opposed seals biased toward closed from rising pressure on either of opposed sides |
| JP7320924B2 (ja) * | 2018-05-22 | 2023-08-04 | ナブテスコ株式会社 | 流体圧バルブ |
| GB201908787D0 (en) | 2019-06-19 | 2019-07-31 | Rolls Royce Plc | An assembly and a method of using the assembly |
| EP4069961A1 (fr) * | 2019-12-03 | 2022-10-12 | Plastic Omnium Advanced Innovation And Research | Systeme d'injection de solution aqueuse embarque dans un vehicule avec une vanne mecanique |
| FR3106386B1 (fr) * | 2020-01-17 | 2022-04-01 | Plastic Omnium Advanced Innovation & Res | Vanne mécanique pour un système d'injection de solution aqueuse embarqué dans un véhicule |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE940685C (de) * | 1954-07-04 | 1956-03-22 | Askania Werke Ag | Pneumatischer Kraftschalter |
| US2926634A (en) * | 1958-07-18 | 1960-03-01 | Sherman Products Inc | Flow control valve |
| DE1072101B (cs) * | 1958-09-09 | 1959-12-24 | ||
| US3587399A (en) * | 1969-05-02 | 1971-06-28 | Deere & Co | Control valve means for a two-way hydraulic cylinder |
| DE2208841A1 (de) * | 1972-02-25 | 1973-08-30 | Bosch Gmbh Robert | Federbelastetes rueckschlagventil |
| SU561814A1 (ru) * | 1973-03-14 | 1977-06-15 | Всесоюзный научно-исследовательский институт строительного и дорожного машиностроения | Гидропривод |
| DE2816976C3 (de) * | 1978-04-19 | 1981-06-04 | G.L. Rexroth Gmbh, 8770 Lohr | Hydraulikanglage mit mehreren Hydromotoren |
-
1979
- 1979-11-20 DE DE2946765A patent/DE2946765C2/de not_active Expired
-
1980
- 1980-10-20 RO RO80102385A patent/RO81369A/ro unknown
- 1980-10-22 HU HU802566A patent/HU182219B/hu unknown
- 1980-10-27 PL PL1980227507A patent/PL124198B1/pl unknown
- 1980-10-28 YU YU02755/80A patent/YU275580A/xx unknown
- 1980-11-13 AU AU64333/80A patent/AU539272B2/en not_active Ceased
- 1980-11-14 US US06/206,982 patent/US4361075A/en not_active Expired - Lifetime
- 1980-11-18 ZA ZA00807171A patent/ZA807171B/xx unknown
- 1980-11-19 CS CS807851A patent/CS220771B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU539272B2 (en) | 1984-09-20 |
| AU6433380A (en) | 1983-01-20 |
| RO81369B (ro) | 1983-05-30 |
| US4361075A (en) | 1982-11-30 |
| PL124198B1 (en) | 1982-12-31 |
| CS220771B2 (en) | 1983-04-29 |
| HU182219B (en) | 1983-12-28 |
| YU275580A (en) | 1983-02-28 |
| DE2946765A1 (de) | 1981-05-21 |
| RO81369A (ro) | 1983-06-01 |
| DE2946765C2 (de) | 1986-04-30 |
| PL227507A1 (cs) | 1981-06-19 |
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