DE19703817C1 - Pilotventilbetätigtes Absperrventil - Google Patents
Pilotventilbetätigtes AbsperrventilInfo
- Publication number
- DE19703817C1 DE19703817C1 DE1997103817 DE19703817A DE19703817C1 DE 19703817 C1 DE19703817 C1 DE 19703817C1 DE 1997103817 DE1997103817 DE 1997103817 DE 19703817 A DE19703817 A DE 19703817A DE 19703817 C1 DE19703817 C1 DE 19703817C1
- Authority
- DE
- Germany
- Prior art keywords
- valve
- valve piston
- pressure water
- high pressure
- shut
- 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 - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000005553 drilling Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Classifications
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/38—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side
- F16K31/383—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side the fluid acting on a piston
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997103817 DE19703817C1 (de) | 1997-02-01 | 1997-02-01 | Pilotventilbetätigtes Absperrventil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997103817 DE19703817C1 (de) | 1997-02-01 | 1997-02-01 | Pilotventilbetätigtes Absperrventil |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19703817C1 true DE19703817C1 (de) | 1998-02-12 |
Family
ID=7819047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1997103817 Expired - Fee Related DE19703817C1 (de) | 1997-02-01 | 1997-02-01 | Pilotventilbetätigtes Absperrventil |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE19703817C1 (de) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3610629C2 (de) * | 1986-03-29 | 1988-02-25 | Woma-Apparatebau Wolfgang Maasberg & Co Gmbh, 4100 Duisburg, De |
-
1997
- 1997-02-01 DE DE1997103817 patent/DE19703817C1/de not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3610629C2 (de) * | 1986-03-29 | 1988-02-25 | Woma-Apparatebau Wolfgang Maasberg & Co Gmbh, 4100 Duisburg, De |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8100 | Publication of the examined application without publication of unexamined application | ||
D1 | Grant (no unexamined application published) patent law 81 | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee | ||
8370 | Indication of lapse of patent is to be deleted | ||
R082 | Change of representative |
Representative=s name: HOEGER, STELLRECHT & PARTNER PATENTANWAELTE, DE Representative=s name: HOEGER, STELLRECHT & PARTNER PATENTANWAELTE, 70182 |
|
R082 | Change of representative |
Representative=s name: HOEGER, STELLRECHT & PARTNER PATENTANWAELTE, DE Representative=s name: HOEGER, STELLRECHT & PARTNER PATENTANWAELTE, 70182 |
|
R081 | Change of applicant/patentee |
Owner name: WOMA GMBH, DE Free format text: FORMER OWNER: WOMA APPARATEBAU GMBH, 47226 DUISBURG, DE Effective date: 20120228 |
|
R082 | Change of representative |
Representative=s name: HOEGER, STELLRECHT & PARTNER PATENTANWAELTE MB, DE Effective date: 20120110 Representative=s name: HOEGER, STELLRECHT & PARTNER PATENTANWAELTE MB, DE Effective date: 20120228 Representative=s name: HOEGER, STELLRECHT & PARTNER PATENTANWAELTE, DE Effective date: 20120228 Representative=s name: HOEGER, STELLRECHT & PARTNER PATENTANWAELTE, DE Effective date: 20120110 |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20130903 |