FR1520368A - Improvement in electro-pneumatic positioners for control valves - Google Patents

Improvement in electro-pneumatic positioners for control valves

Info

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
Application number
FR949384A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAXBY SOC
Original Assignee
SAXBY SOC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SAXBY SOC filed Critical SAXBY SOC
Priority to FR949384A priority Critical patent/FR1520368A/en
Application granted granted Critical
Publication of FR1520368A publication Critical patent/FR1520368A/en
Expired legal-status Critical Current

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)
FR949384A 1963-10-03 1963-10-03 Improvement in electro-pneumatic positioners for control valves Expired FR1520368A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383476A1 (en) * 1977-03-11 1978-10-06 Foxboro Co CURRENT-POSITION ELECTROPNEUMATIC TRANSDUCER

Cited By (1)

* Cited by examiner, † Cited by third party
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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