FR2052052A5 - - Google Patents

Info

Publication number
FR2052052A5
FR2052052A5 FR6923457A FR6923457A FR2052052A5 FR 2052052 A5 FR2052052 A5 FR 2052052A5 FR 6923457 A FR6923457 A FR 6923457A FR 6923457 A FR6923457 A FR 6923457A FR 2052052 A5 FR2052052 A5 FR 2052052A5
Authority
FR
France
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
FR6923457A
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.)
TRICHOT PATRICK
Original Assignee
TRICHOT PATRICK
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 TRICHOT PATRICK filed Critical TRICHOT PATRICK
Priority to FR6923457A priority Critical patent/FR2052052A5/fr
Application granted granted Critical
Publication of FR2052052A5 publication Critical patent/FR2052052A5/fr
Expired legal-status Critical Current

Links

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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR6923457A 1969-07-10 1969-07-10 Expired FR2052052A5 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6923457A FR2052052A5 (fr) 1969-07-10 1969-07-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6923457A FR2052052A5 (fr) 1969-07-10 1969-07-10

Publications (1)

Publication Number Publication Date
FR2052052A5 true FR2052052A5 (fr) 1971-04-09

Family

ID=9037243

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6923457A Expired FR2052052A5 (fr) 1969-07-10 1969-07-10

Country Status (1)

Country Link
FR (1) FR2052052A5 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2487470A1 (fr) * 1980-07-24 1982-01-29 Exxon Research Engineering Co Procede pour transmettre des signaux de pression a travers une canalisation et pour commander l'actionnement d'un dispositif raccorde a une telle canalisation
EP0500342A1 (fr) * 1991-02-20 1992-08-26 Halliburton Company Outil de fond de puits actionnable par différence de pression
WO2001061144A1 (fr) * 2000-02-14 2001-08-23 Halliburton Energy Services, Inc. Systeme numerique de commande hydraulique pour un puits
US6567013B1 (en) 1998-08-13 2003-05-20 Halliburton Energy Services, Inc. Digital hydraulic well control system
EP1375926A1 (fr) * 2002-06-22 2004-01-02 Deere & Company Dispositif de commande hydraulique pour une machine de travail

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2487470A1 (fr) * 1980-07-24 1982-01-29 Exxon Research Engineering Co Procede pour transmettre des signaux de pression a travers une canalisation et pour commander l'actionnement d'un dispositif raccorde a une telle canalisation
EP0500342A1 (fr) * 1991-02-20 1992-08-26 Halliburton Company Outil de fond de puits actionnable par différence de pression
US6470970B1 (en) * 1998-08-13 2002-10-29 Welldynamics Inc. Multiplier digital-hydraulic well control system and method
US6567013B1 (en) 1998-08-13 2003-05-20 Halliburton Energy Services, Inc. Digital hydraulic well control system
WO2001061144A1 (fr) * 2000-02-14 2001-08-23 Halliburton Energy Services, Inc. Systeme numerique de commande hydraulique pour un puits
US7145471B2 (en) 2000-02-22 2006-12-05 Welldynamics, Inc. Sequential hydraulic control system for use in a subterranean well
EP1375926A1 (fr) * 2002-06-22 2004-01-02 Deere & Company Dispositif de commande hydraulique pour une machine de travail
US6951103B2 (en) 2002-06-22 2005-10-04 Deere & Company Hydraulic control arrangement for a mobile operating machine

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Legal Events

Date Code Title Description
ST Notification of lapse