DE20307245U1 - Ventil, insbesondere Rückschlagventil - Google Patents
Ventil, insbesondere RückschlagventilInfo
- Publication number
- DE20307245U1 DE20307245U1 DE20307245U DE20307245U DE20307245U1 DE 20307245 U1 DE20307245 U1 DE 20307245U1 DE 20307245 U DE20307245 U DE 20307245U DE 20307245 U DE20307245 U DE 20307245U DE 20307245 U1 DE20307245 U1 DE 20307245U1
- Authority
- DE
- Germany
- Prior art keywords
- valve
- hydraulic cylinder
- valve housing
- connections
- cylinder
- 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 - Lifetime
Links
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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
- E21D15/512—Arrangement of valves
-
- 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
- F15B13/015—Locking-valves or other detent i.e. load-holding devices using an enclosed pilot flow valve
Description
Claims (12)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20307245U DE20307245U1 (de) | 2003-05-08 | 2003-05-08 | Ventil, insbesondere Rückschlagventil |
PL367646A PL202250B1 (pl) | 2003-05-08 | 2004-05-04 | Zawór hydrauliczny, zwłaszcza zawór zwrotny i podpora hydrauliczna, zwłaszcza stojak obudowy górniczej |
CNB2004800104471A CN100564901C (zh) | 2003-05-08 | 2004-05-05 | 掩护式支架以及掩护式支架的液压支柱用的阀 |
PCT/EP2004/004766 WO2004099628A1 (de) | 2003-05-08 | 2004-05-05 | Ventil für hydraulikstempel von schildausbaugestellen und schildausbaugestell |
US10/551,932 US7428861B2 (en) | 2003-05-08 | 2004-05-05 | Valve for hydraulic props of shield-type support frames, and shield-type support frame |
AU2004236389A AU2004236389B2 (en) | 2003-05-08 | 2004-05-05 | Valve for hydraulic props of shield-type support frames, and shield-type support frame |
GB0515064A GB2414503B (en) | 2003-05-08 | 2004-05-05 | Valve for hydraulic props of shield-type support frames, and shield-type support frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20307245U DE20307245U1 (de) | 2003-05-08 | 2003-05-08 | Ventil, insbesondere Rückschlagventil |
Publications (1)
Publication Number | Publication Date |
---|---|
DE20307245U1 true DE20307245U1 (de) | 2003-08-07 |
Family
ID=27740910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20307245U Expired - Lifetime DE20307245U1 (de) | 2003-05-08 | 2003-05-08 | Ventil, insbesondere Rückschlagventil |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN100564901C (de) |
DE (1) | DE20307245U1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102032233A (zh) * | 2011-01-08 | 2011-04-27 | 四川省宜宾普什驱动有限责任公司 | 一种多功能比例多路阀 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK3002465T3 (en) * | 2014-09-30 | 2020-02-03 | Danfoss Power Solutions Aps | Hydrauliksystem |
CN104675423B (zh) * | 2015-02-06 | 2017-01-18 | 太原理工大学 | 一种双通道千升级大流量换向阀 |
CN104695987B (zh) * | 2015-02-13 | 2017-07-07 | 煤炭科学技术研究院有限公司 | 液压支架用液控单向阀 |
CN106438561A (zh) * | 2016-11-02 | 2017-02-22 | 常州市双强机械制造有限公司 | 水利液压机械分套油缸异形锻件 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3673800A (en) * | 1970-06-12 | 1972-07-04 | Philip E Ashton | Hydraulic press |
DE3504553C1 (de) * | 1985-02-11 | 1986-04-10 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Druckschaltventil als Druckbegrenzungsventil fuer hydraulischen Schreitausbau |
DE19528378C1 (de) * | 1995-08-02 | 1996-11-28 | Dbt Gmbh | Hydraulisches Schildausbaugestell |
DE19633258C1 (de) * | 1996-08-17 | 1997-08-28 | Iversen Hydraulics Aps | Druckverstärker für Fluide, insbesondere für Hydraulikflüssigkeiten |
DE19801433A1 (de) * | 1998-01-16 | 1999-07-22 | Sta Co Mettallerzeugnisse Gmbh | Spannvorrichtung |
CN1279340A (zh) * | 1999-06-30 | 2001-01-10 | 萨尔技术股份有限公司 | 具有影响冒落边缘的放顶煤口的掩护支架 |
DE20301251U1 (de) * | 2003-01-28 | 2003-04-03 | Festo Ag & Co | Fluidbetätigte Linearantriebsvorrichtung mit modularer Steuereinheit |
-
2003
- 2003-05-08 DE DE20307245U patent/DE20307245U1/de not_active Expired - Lifetime
-
2004
- 2004-05-05 CN CNB2004800104471A patent/CN100564901C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102032233A (zh) * | 2011-01-08 | 2011-04-27 | 四川省宜宾普什驱动有限责任公司 | 一种多功能比例多路阀 |
CN102032233B (zh) * | 2011-01-08 | 2013-05-15 | 四川省宜宾普什驱动有限责任公司 | 一种多功能比例多路阀 |
Also Published As
Publication number | Publication date |
---|---|
CN100564901C (zh) | 2009-12-02 |
CN1777758A (zh) | 2006-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 20030911 |
|
R150 | Term of protection extended to 6 years |
Effective date: 20060224 |
|
R081 | Change of applicant/patentee |
Owner name: CATERPILLAR GLOBAL MINING EUROPE GMBH, DE Free format text: FORMER OWNER: DBT GMBH, 44534 LUENEN, DE Effective date: 20080417 |
|
R151 | Term of protection extended to 8 years |
Effective date: 20090330 |
|
R081 | Change of applicant/patentee |
Owner name: CATERPILLAR GLOBAL MINING EUROPE GMBH, DE Free format text: FORMER OWNER: BUCYRUS DBT EUROPE GMBH, 44534 LUENEN, DE Effective date: 20100324 |
|
R152 | Term of protection extended to 10 years |
Effective date: 20110314 |
|
R082 | Change of representative |
Representative=s name: BUSCHHOFF-HENNICKE-ALTHAUS, DE |
|
R081 | Change of applicant/patentee |
Owner name: CATERPILLAR GLOBAL MINING EUROPE GMBH, DE Free format text: FORMER OWNER: BUCYRUS EUROPE GMBH, 44534 LUENEN, DE Effective date: 20120611 |
|
R082 | Change of representative |
Representative=s name: BUSCHHOFF-HENNICKE-ALTHAUS, DE Effective date: 20120611 |
|
R071 | Expiry of right |