SE9503439D0 - Servo operated stop valve system - Google Patents
Servo operated stop valve systemInfo
- Publication number
- SE9503439D0 SE9503439D0 SE9503439A SE9503439A SE9503439D0 SE 9503439 D0 SE9503439 D0 SE 9503439D0 SE 9503439 A SE9503439 A SE 9503439A SE 9503439 A SE9503439 A SE 9503439A SE 9503439 D0 SE9503439 D0 SE 9503439D0
- Authority
- SE
- Sweden
- Prior art keywords
- over
- change
- full
- valve
- stop valve
- Prior art date
Links
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
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
-
- 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
- F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
- F16K31/163—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston
- F16K31/1635—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston for rotating valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Multiple-Way Valves (AREA)
- Tunnel Furnaces (AREA)
- Valve Housings (AREA)
Abstract
A subterranean stop valve in a district heating system is laid out for servocontrolled operation from a nearby walkway cabinet, by hydraulic actuation of a double acting free piston block (8), which is displaceable with high power just as much as required for a full change-over of the valve (2). Just prior to the full change-over being reached it is automatically arranged that at the hydraulic return end of the piston the return flow (28) is shifted to now be forced (at 42) into a remote indicator (48), whereby a slide body (54) in the latter is changed over, affected by a high force immediately at the end of the full valve change-over. Hereby a robust and long-time durable change-over and indicator system is achievable. <IMAGE>
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK41393A DK171282B1 (en) | 1993-04-07 | 1993-04-07 | Servo operated stop valve installation |
PCT/DK1994/000144 WO1994023231A1 (en) | 1993-04-07 | 1994-04-07 | A servo operated stop valve installation |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9503439D0 true SE9503439D0 (en) | 1995-10-04 |
SE9503439L SE9503439L (en) | 1995-10-04 |
SE503992C2 SE503992C2 (en) | 1996-10-14 |
Family
ID=8093240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9503439A SE503992C2 (en) | 1993-04-07 | 1995-10-04 | Servo operated stop valve system |
Country Status (9)
Country | Link |
---|---|
CN (1) | CN1120368A (en) |
AU (1) | AU6424994A (en) |
DE (1) | DE4491874T1 (en) |
DK (1) | DK171282B1 (en) |
FI (1) | FI954760A (en) |
GB (1) | GB2292420B (en) |
PL (1) | PL310943A1 (en) |
SE (1) | SE503992C2 (en) |
WO (1) | WO1994023231A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102853149B (en) * | 2012-09-20 | 2014-12-24 | 浙江中旭达自控阀门有限公司 | Plunger-type high pressure actuator |
CN103791143B (en) * | 2013-11-25 | 2016-05-25 | 江苏远望仪器有限公司 | Be provided with the valve hydraulic actuator of fault feedback arrangement |
CN105127011B (en) * | 2014-04-11 | 2018-06-15 | 衢州市优德工业设计有限公司 | A kind of flotation mode selective structure |
US20170122454A1 (en) * | 2015-11-02 | 2017-05-04 | Pentair Flow Services Ag | Electro-Hydraulic Actuator |
DE102016109103A1 (en) | 2016-05-18 | 2017-11-23 | Hoerbiger Automatisierungstechnik Holding Gmbh | Electrohydraulic linear actuator |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3338140A (en) * | 1965-08-16 | 1967-08-29 | John M Sheesley | Actuator |
GB1171618A (en) * | 1966-03-05 | 1969-11-26 | Norbo Engineering Ltd | Rotary actuators |
DK156745C (en) * | 1985-04-16 | 1990-02-26 | Nordisk Marine Hydraulik Danma | HYDRAULIC TURNING ACTUATOR |
US5117739A (en) * | 1990-10-15 | 1992-06-02 | C & C Manufacturing, Inc. | Fluid driven multi-axis apparatus |
-
1993
- 1993-04-07 DK DK41393A patent/DK171282B1/en active
-
1994
- 1994-04-07 DE DE4491874T patent/DE4491874T1/en not_active Withdrawn
- 1994-04-07 WO PCT/DK1994/000144 patent/WO1994023231A1/en active Application Filing
- 1994-04-07 CN CN 94191689 patent/CN1120368A/en active Pending
- 1994-04-07 AU AU64249/94A patent/AU6424994A/en not_active Abandoned
- 1994-04-07 PL PL94310943A patent/PL310943A1/en unknown
- 1994-04-07 GB GB9519929A patent/GB2292420B/en not_active Expired - Fee Related
-
1995
- 1995-10-04 SE SE9503439A patent/SE503992C2/en not_active IP Right Cessation
- 1995-10-06 FI FI954760A patent/FI954760A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CN1120368A (en) | 1996-04-10 |
DK171282B1 (en) | 1996-08-19 |
WO1994023231A1 (en) | 1994-10-13 |
FI954760A0 (en) | 1995-10-06 |
DK41393A (en) | 1994-10-08 |
GB9519929D0 (en) | 1995-11-29 |
PL310943A1 (en) | 1996-01-08 |
GB2292420B (en) | 1997-04-30 |
GB2292420A (en) | 1996-02-21 |
FI954760A (en) | 1995-10-06 |
DK41393D0 (en) | 1993-04-07 |
SE503992C2 (en) | 1996-10-14 |
AU6424994A (en) | 1994-10-24 |
SE9503439L (en) | 1995-10-04 |
DE4491874T1 (en) | 1996-03-21 |
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Legal Events
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---|---|---|---|
NUG | Patent has lapsed |
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