FR2452042A1 - Soupape de pression, notamment pour soutenement mecanise de mine - Google Patents

Soupape de pression, notamment pour soutenement mecanise de mine

Info

Publication number
FR2452042A1
FR2452042A1 FR7906874A FR7906874A FR2452042A1 FR 2452042 A1 FR2452042 A1 FR 2452042A1 FR 7906874 A FR7906874 A FR 7906874A FR 7906874 A FR7906874 A FR 7906874A FR 2452042 A1 FR2452042 A1 FR 2452042A1
Authority
FR
France
Prior art keywords
slide
pressure chamber
piston
high pressure
throttle channels
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.)
Granted
Application number
FR7906874A
Other languages
English (en)
Other versions
FR2452042B1 (fr
Inventor
S A Sanin
J F Ponomarenko
V D Firstov
V N Khorin
A M Ragutsky
B N Kostjunin
P M Bronfen
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.)
Institut Gornogo dela Imeni AA Skochinskogo
Original Assignee
Institut Gornogo dela Imeni AA Skochinskogo
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 Institut Gornogo dela Imeni AA Skochinskogo filed Critical Institut Gornogo dela Imeni AA Skochinskogo
Priority to FR7906874A priority Critical patent/FR2452042A1/fr
Publication of FR2452042A1 publication Critical patent/FR2452042A1/fr
Application granted granted Critical
Publication of FR2452042B1 publication Critical patent/FR2452042B1/fr
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01Locking-valves or other detent i.e. load-holding devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Safety Valves (AREA)

Abstract

L'INVENTION CONCERNE LES COMMANDES HYDRAULIQUES A HAUTE PRESSION. LA SOUPAPE DE PRESSION FAISANT L'OBJET DE L'INVENTION EST CARACTERISEE NOTAMMENT EN CE QUE LE PISTON DE DECHARGE 18 EST PERCE D'UN TROU AXIAL DEBOUCHANT23 DANS LEQUEL EST MONTE UN PISTON SUPPLEMENTAIRE 24 PAR L'INTERMEDIAIRE DUQUEL LE PISTON DE DECHARGE18 AGIT SUR LE TIROIR 9, LEQUEL COMPORTE, DU COTE DE LA CHAMBRE A BASSE PRESSION 3, DES CANAUX D'ETRANGLEMENT 16 COMMUNIQUANT AVEC LES CANAUX AXIAUX10 DU TIROIR, LESDITS CANAUX D'ETRANGLEMENT DU TIROIR PRESENTANT UNE SECTION DE PASSAGE NETTEMENT INFERIEURE A LA SECTION DE PASSAGE DES CANAUX AXIAUX DU TIROIR. LA SOUPAPE EN QUESTION PEUT ETRE EMPLOYEE NOTAMMENT DANS LES SYSTEMES HYDRAULIQUES DES SOUTENEMENTS MECANISES, DANS LESQUELS ELLE PEUT ETRE UTILISEE, PAR EXEMPLE, EN TANT QUE VERROUILLAGE HYDRAULIQUE DES ETANCONS DE MINE.
FR7906874A 1979-03-19 1979-03-19 Soupape de pression, notamment pour soutenement mecanise de mine Granted FR2452042A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7906874A FR2452042A1 (fr) 1979-03-19 1979-03-19 Soupape de pression, notamment pour soutenement mecanise de mine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7906874A FR2452042A1 (fr) 1979-03-19 1979-03-19 Soupape de pression, notamment pour soutenement mecanise de mine

Publications (2)

Publication Number Publication Date
FR2452042A1 true FR2452042A1 (fr) 1980-10-17
FR2452042B1 FR2452042B1 (fr) 1983-06-24

Family

ID=9223272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7906874A Granted FR2452042A1 (fr) 1979-03-19 1979-03-19 Soupape de pression, notamment pour soutenement mecanise de mine

Country Status (1)

Country Link
FR (1) FR2452042A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1929482A1 (de) * 1968-06-12 1970-01-02 Mcconnel F W Ltd Sperrventilanordnung fuer hydraulische Steueranlagen
DE1600970A1 (de) * 1967-02-25 1970-06-18 Berlin Spezialfahrzeugwerk Rohrbruch- und Halteventil mit Ruecklaufdrossel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1600970A1 (de) * 1967-02-25 1970-06-18 Berlin Spezialfahrzeugwerk Rohrbruch- und Halteventil mit Ruecklaufdrossel
DE1929482A1 (de) * 1968-06-12 1970-01-02 Mcconnel F W Ltd Sperrventilanordnung fuer hydraulische Steueranlagen

Also Published As

Publication number Publication date
FR2452042B1 (fr) 1983-06-24

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Legal Events

Date Code Title Description
ST Notification of lapse