FR781690A - Dispositif permettant de faire varier momentanément la contre-pression assurant la fermeture d'un robinet à membrane - Google Patents

Dispositif permettant de faire varier momentanément la contre-pression assurant la fermeture d'un robinet à membrane

Info

Publication number
FR781690A
FR781690A FR781690DA FR781690A FR 781690 A FR781690 A FR 781690A FR 781690D A FR781690D A FR 781690DA FR 781690 A FR781690 A FR 781690A
Authority
FR
France
Prior art keywords
closure
back pressure
membrane valve
pressure ensuring
temporarily varying
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
Other languages
English (en)
Inventor
Henri John Blondel
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 filed Critical
Application granted granted Critical
Publication of FR781690A publication Critical patent/FR781690A/fr
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
    • F16K31/12—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
    • F16K31/385—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 diaphragm

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR781690D 1933-11-28 1934-11-22 Dispositif permettant de faire varier momentanément la contre-pression assurant la fermeture d'un robinet à membrane Expired FR781690A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH781690X 1933-11-28

Publications (1)

Publication Number Publication Date
FR781690A true FR781690A (fr) 1935-05-20

Family

ID=4536276

Family Applications (1)

Application Number Title Priority Date Filing Date
FR781690D Expired FR781690A (fr) 1933-11-28 1934-11-22 Dispositif permettant de faire varier momentanément la contre-pression assurant la fermeture d'un robinet à membrane

Country Status (1)

Country Link
FR (1) FR781690A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2186611A1 (fr) * 1972-05-29 1974-01-11 Gay Pierre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2186611A1 (fr) * 1972-05-29 1974-01-11 Gay Pierre

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