IT7848379A0 - Trasduttore elettro-pneumatico per strumentazione di comando di processi industriali - Google Patents
Trasduttore elettro-pneumatico per strumentazione di comando di processi industrialiInfo
- Publication number
- IT7848379A0 IT7848379A0 IT7848379A IT4837978A IT7848379A0 IT 7848379 A0 IT7848379 A0 IT 7848379A0 IT 7848379 A IT7848379 A IT 7848379A IT 4837978 A IT4837978 A IT 4837978A IT 7848379 A0 IT7848379 A0 IT 7848379A0
- Authority
- IT
- Italy
- Prior art keywords
- electro
- process control
- industrial process
- control instrumentation
- pneumatic transducer
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
- F15C4/00—Circuit elements characterised by their special functions
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Control Of Position Or Direction (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77657577A | 1977-03-11 | 1977-03-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7848379A0 true IT7848379A0 (it) | 1978-03-10 |
IT1101824B IT1101824B (it) | 1985-10-07 |
Family
ID=25107794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48379/78A IT1101824B (it) | 1977-03-11 | 1978-03-10 | Trasduttore elettro-pneumatico per strumentazione di comando di processi industriali |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5826042B2 (it) |
DE (1) | DE2810257C2 (it) |
FR (1) | FR2383476A1 (it) |
GB (1) | GB1572584A (it) |
IT (1) | IT1101824B (it) |
NL (1) | NL182337C (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3205576C2 (de) * | 1982-02-17 | 1986-11-06 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Vorrichtung zur Umformung von elektrischen in pneumatische Signale |
GB2123185B (en) * | 1982-07-02 | 1985-07-24 | Dowty Hydraulic Units Ltd | Electro-hydraulic servo valves |
DE3500731A1 (de) * | 1985-01-11 | 1986-07-17 | Honeywell Gmbh, 6050 Offenbach | Elektropneumatischer signalumformer bzw. pneumatischer stellungsregler |
DE102011106328A1 (de) * | 2011-07-01 | 2013-01-03 | Abb Ag | Stellungsregler |
CN109443744A (zh) * | 2017-08-30 | 2019-03-08 | 广东核电合营有限公司 | 一种应用于核电厂的阀门本体特性检查装置和*** |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2310298A (en) * | 1938-07-28 | 1943-02-09 | Standard Oil Dev Co | Liquid level control device |
GB705702A (en) * | 1950-07-21 | 1954-03-17 | Regulateurs Francel Body Corpo | Improvements in or relating to gaseous fluid relays |
US2789543A (en) * | 1953-07-02 | 1957-04-23 | Honeywell Regulator Co | Stabilized pneumatic regulator apparatus |
FR1258366A (fr) * | 1960-03-02 | 1961-04-14 | Rech Etudes Production Sarl | étage primaire à palette et tube de torsion pour distributeur hydraulique à deux étages |
US3223102A (en) * | 1962-09-10 | 1965-12-14 | Robertshaw Controls Co | Electro-pneumatic transducer |
FR82398E (fr) * | 1962-10-04 | 1964-01-31 | Controle Et Regulation | Dispositif de conversion de signaux électriques en signaux pneumatiques |
DE1698596B1 (de) * | 1963-03-29 | 1971-05-19 | Samson Appbau Ag | Pneumatischer stellungsregler |
FR1520368A (fr) * | 1963-10-03 | 1968-04-12 | Saxby Soc | Perfectionnement aux positionneurs électro-pneumatiques pour vannes de contrôle |
DE1280563B (de) * | 1965-12-18 | 1968-10-17 | Schoppe & Faeser Gmbh | Elektropneumatischer Umformer |
DE2264220B2 (de) * | 1972-12-30 | 1976-12-23 | Samson Ag, 6000 Frankfurt | Elektropneumatischer signalwandler |
-
1978
- 1978-03-09 DE DE2810257A patent/DE2810257C2/de not_active Expired
- 1978-03-09 NL NLAANVRAGE7802604,A patent/NL182337C/xx not_active IP Right Cessation
- 1978-03-09 GB GB9367/78A patent/GB1572584A/en not_active Expired
- 1978-03-10 IT IT48379/78A patent/IT1101824B/it active
- 1978-03-10 JP JP53027586A patent/JPS5826042B2/ja not_active Expired
- 1978-03-13 FR FR7807175A patent/FR2383476A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2810257C2 (de) | 1986-10-16 |
NL7802604A (nl) | 1978-09-13 |
NL182337C (nl) | 1988-02-16 |
IT1101824B (it) | 1985-10-07 |
GB1572584A (en) | 1980-07-30 |
FR2383476B1 (it) | 1984-12-14 |
NL182337B (nl) | 1987-09-16 |
JPS53113976A (en) | 1978-10-04 |
FR2383476A1 (fr) | 1978-10-06 |
DE2810257A1 (de) | 1978-09-21 |
JPS5826042B2 (ja) | 1983-05-31 |
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