DE3620242C2 - - Google Patents
Info
- Publication number
- DE3620242C2 DE3620242C2 DE19863620242 DE3620242A DE3620242C2 DE 3620242 C2 DE3620242 C2 DE 3620242C2 DE 19863620242 DE19863620242 DE 19863620242 DE 3620242 A DE3620242 A DE 3620242A DE 3620242 C2 DE3620242 C2 DE 3620242C2
- Authority
- DE
- Germany
- Prior art keywords
- valve
- sealing
- seat
- coupling
- valve body
- 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
- 238000007789 sealing Methods 0.000 claims description 60
- 230000008878 coupling Effects 0.000 claims description 31
- 238000010168 coupling process Methods 0.000 claims description 31
- 238000005859 coupling reaction Methods 0.000 claims description 31
- 239000012530 fluid Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 description 15
- 238000013461 design Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012549 training Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000007764 o/w emulsion Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Magnetically Actuated Valves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863620242 DE3620242A1 (de) | 1986-06-16 | 1986-06-16 | Vorsteuerventil, insbesondere 3/2-wegeventil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863620242 DE3620242A1 (de) | 1986-06-16 | 1986-06-16 | Vorsteuerventil, insbesondere 3/2-wegeventil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3620242A1 DE3620242A1 (de) | 1987-12-17 |
| DE3620242C2 true DE3620242C2 (pt) | 1989-06-01 |
Family
ID=6303121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863620242 Granted DE3620242A1 (de) | 1986-06-16 | 1986-06-16 | Vorsteuerventil, insbesondere 3/2-wegeventil |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3620242A1 (pt) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011108177A1 (de) * | 2011-07-22 | 2013-01-24 | Festo Ag & Co. Kg | Ventilmodul |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4019073A1 (de) * | 1990-06-15 | 1991-12-19 | Rexroth Pneumatik Mannesmann | Ventileinrichtung |
| DE9211629U1 (de) * | 1992-08-29 | 1992-11-05 | DBT Deutsche Bergbau-Technik GmbH, 45128 Essen | Vorsteuerventil, insbesondere zur Verwendung in der Bergbauhydraulik |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1157865B (de) * | 1953-08-08 | 1963-11-21 | Erich Herion | Mehrwegeventil mit mehreren gleichachsigen Ventilsitzen |
| US3902526A (en) * | 1974-02-11 | 1975-09-02 | Scovill Manufacturing Co | Control valve for a fluid pressure system |
| DE2915280C2 (de) * | 1979-04-14 | 1983-07-28 | Dr. H. Tiefenbach Gmbh & Co, 4300 Essen | Betätigungseinrichtung für ein selbsthaltendes Steuerventil |
| DE2939707A1 (de) * | 1979-09-29 | 1981-04-02 | Dr. H. Tiefenbach Gmbh & Co, 4300 Essen | Selbsthaltendes steuerventil |
| DE2951232C3 (de) * | 1979-12-19 | 1992-07-02 | Heilmeier & Weinlein | Magnetventil |
| DE8305147U1 (de) * | 1983-02-24 | 1983-06-23 | Dams, Jörn, 4320 Hattingen | Mehrwegeventil zur Steuerung eines hydraulischen Mediums |
| US4574844A (en) * | 1984-11-13 | 1986-03-11 | Mac Valves, Inc. | Four-way poppet valve |
-
1986
- 1986-06-16 DE DE19863620242 patent/DE3620242A1/de active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011108177A1 (de) * | 2011-07-22 | 2013-01-24 | Festo Ag & Co. Kg | Ventilmodul |
| DE102011108177B4 (de) * | 2011-07-22 | 2013-03-21 | Festo Ag & Co. Kg | Ventilmodul |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3620242A1 (de) | 1987-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |