FR2488951A1 - Servovalve electro-hydraulique - Google Patents

Servovalve electro-hydraulique Download PDF

Info

Publication number
FR2488951A1
FR2488951A1 FR8018125A FR8018125A FR2488951A1 FR 2488951 A1 FR2488951 A1 FR 2488951A1 FR 8018125 A FR8018125 A FR 8018125A FR 8018125 A FR8018125 A FR 8018125A FR 2488951 A1 FR2488951 A1 FR 2488951A1
Authority
FR
France
Prior art keywords
nozzle
transducer
servovalve
orifice
fixed
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
FR8018125A
Other languages
English (en)
French (fr)
Other versions
FR2488951B1 (enExample
Inventor
Michel Cerneau
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.)
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Original Assignee
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
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 Societe dOptique Precision Electronique et Mecanique SOPELEM SA filed Critical Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Priority to FR8018125A priority Critical patent/FR2488951A1/fr
Priority to EP81401279A priority patent/EP0046431A1/fr
Publication of FR2488951A1 publication Critical patent/FR2488951A1/fr
Application granted granted Critical
Publication of FR2488951B1 publication Critical patent/FR2488951B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • F15C3/00—Circuit elements having moving parts
    • F15C3/10—Circuit elements having moving parts using nozzles or jet pipes
    • F15C3/14—Circuit elements having moving parts using nozzles or jet pipes the jet the nozzle being intercepted by a flap
    • 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
    • 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
    • F16K31/004—Actuating devices; Operating means; Releasing devices actuated by piezoelectric means
    • F16K31/005—Piezoelectric benders

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Theoretical Computer Science (AREA)
  • Servomotors (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
FR8018125A 1980-08-19 1980-08-19 Servovalve electro-hydraulique Granted FR2488951A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8018125A FR2488951A1 (fr) 1980-08-19 1980-08-19 Servovalve electro-hydraulique
EP81401279A EP0046431A1 (fr) 1980-08-19 1981-08-07 Servo-valve électro-hydraulique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8018125A FR2488951A1 (fr) 1980-08-19 1980-08-19 Servovalve electro-hydraulique

Publications (2)

Publication Number Publication Date
FR2488951A1 true FR2488951A1 (fr) 1982-02-26
FR2488951B1 FR2488951B1 (enExample) 1984-03-16

Family

ID=9245274

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8018125A Granted FR2488951A1 (fr) 1980-08-19 1980-08-19 Servovalve electro-hydraulique

Country Status (2)

Country Link
EP (1) EP0046431A1 (enExample)
FR (1) FR2488951A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6018307U (ja) * 1983-07-16 1985-02-07 株式会社島津製作所 圧力制御装置
FR2562200B1 (fr) * 1984-03-29 1988-01-22 Charron Jean Claude Micro-electrovalve modulable a tres faible temps de reponse et a tres f
FR2582419B1 (fr) * 1985-05-23 1988-05-27 Snecma Reducteur de pression a correction d'encrassement
FR2583115B1 (fr) * 1985-06-10 1989-03-10 Centre Techn Ind Mecanique Transducteur electrofluidique du type buse/palette et servovalve hydraulique equipee d'un tel transducteur
FR2642812B1 (fr) * 1989-02-08 1991-05-31 Crouzet Sa Dispositif de commutation de fluide, piezoelectrique a commande optique
FR2660084B1 (fr) * 1990-03-21 1994-10-28 Gilson Med Electr Systeme de regulation de pression dans un circuit de circulation de fluide a debit determine, et chromatographe utilisant ce systeme.
AT396392B (de) * 1991-09-30 1993-08-25 Hoerbiger Fluidtechnik Gmbh Piezo-ventil
US5630440A (en) * 1995-02-21 1997-05-20 Applied Power Inc. Piezo composite sheet actuated valve
AU4869196A (en) * 1995-02-21 1996-09-11 Applied Power Inc. Piezo-electrically actuated valve
NL1002207C1 (nl) * 1996-01-30 1997-07-31 Rudolf Van Boxel Inrichting voor het doseren van een gasmengsel.
SE504403C2 (sv) * 1996-03-08 1997-02-03 Siemens Elema Ab Ventil
CN102242743B (zh) * 2011-07-11 2013-08-21 南京航空航天大学 多喷嘴挡板电液伺服阀及其工作方法
CN111075988B (zh) * 2019-11-13 2022-02-11 北京机械设备研究所 一种伺服阀自动对中装置及对中方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2511752A1 (de) * 1975-03-18 1976-10-07 Ver Flugtechnische Werke Signalwandlerstufe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3456669A (en) * 1966-10-20 1969-07-22 Fisher Governor Co Piezoelectric transducer
US3524474A (en) * 1967-10-12 1970-08-18 Delta Hydraulics Co Servo-valve with ceramic force motor
GB1217225A (en) * 1968-05-23 1970-12-31 Automotive Prod Co Ltd Improvements in or relating to electrically operated valves and fluid-flow directing devices
FR2188771A5 (enExample) * 1972-06-01 1974-01-18 British Oxygen Co Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2511752A1 (de) * 1975-03-18 1976-10-07 Ver Flugtechnische Werke Signalwandlerstufe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/71 *

Also Published As

Publication number Publication date
EP0046431A1 (fr) 1982-02-24
FR2488951B1 (enExample) 1984-03-16

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Legal Events

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