FR1520368A - Improvement in electro-pneumatic positioners for control valves - Google Patents
Improvement in electro-pneumatic positioners for control valvesInfo
- Publication number
- FR1520368A FR1520368A FR949384A FR949384A FR1520368A FR 1520368 A FR1520368 A FR 1520368A FR 949384 A FR949384 A FR 949384A FR 949384 A FR949384 A FR 949384A FR 1520368 A FR1520368 A FR 1520368A
- Authority
- FR
- France
- Prior art keywords
- electro
- improvement
- control valves
- pneumatic positioners
- positioners
- 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
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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
-
- 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
- F15B5/00—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities
-
- 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
- F15B5/00—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities
- F15B5/003—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities characterised by variation of the pressure in a nozzle or the like, e.g. nozzle-flapper system
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR949384A FR1520368A (en) | 1963-10-03 | 1963-10-03 | Improvement in electro-pneumatic positioners for control valves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR949384A FR1520368A (en) | 1963-10-03 | 1963-10-03 | Improvement in electro-pneumatic positioners for control valves |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1520368A true FR1520368A (en) | 1968-04-12 |
Family
ID=8813555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR949384A Expired FR1520368A (en) | 1963-10-03 | 1963-10-03 | Improvement in electro-pneumatic positioners for control valves |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1520368A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2383476A1 (en) * | 1977-03-11 | 1978-10-06 | Foxboro Co | CURRENT-POSITION ELECTROPNEUMATIC TRANSDUCER |
-
1963
- 1963-10-03 FR FR949384A patent/FR1520368A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2383476A1 (en) * | 1977-03-11 | 1978-10-06 | Foxboro Co | CURRENT-POSITION ELECTROPNEUMATIC TRANSDUCER |
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